prestige

Water Boiler Excellence

Warranty Registration Card must be filled out by the customer and mailed within thirty (30) days of installa-tion in order to gain warranty coverage.

When receiving the PRESTIGE Excellence unit, any claims for damage or shortage in shipment must befiled immediately against the transportation company by the consignee.

Leave all documentation received with appliance with owner for future reference.

* I N S T A L L A T I O N A N D M A I N T E N A N C E ** I N S T A L L A T I O N A N D M A I N T E N A N C E *M A N U A LM A N U A L

2011-61 Manual PRESTIGE Excellence - Revised 2/6/14

If the information in this manual is not followed exactly, a fire or explosion mayresult causing property damage, personal injury or death.

FOR YOUR SAFETY• Do not store or use gasoline or other flammable vapors and liquids in the vicinity ofthis or any other appliance.

• WHAT TO DO IF YOU SMELL GAS- Do not try to light any appliance- Do not touch any electrical switch; do not use any phone in your building.- Immediately call your gas supplier from a neighbor’s phone. Follow the gassupplier’s instructions.

- If you cannot reach your gas supplier, call the fire department.Installation and service must be performed by a qualified installer, service agency or thegas supplier.

L I S T E D

WARNING

NOTICE

Part 1 of 2(Part 2 begins on page 82)

This manual outlines the requirements for installation of the PRESTIGE Excellence.Those requirements include Boiler Piping, Venting/Combustion Air, Start-Up andMaintenance.- For detailed instructions regarding the installation of the vent/combustion air systemreference the PRESTIGE Vent Supplement and/or the various optional vent kitinstructions.

- For instructions regarding the PRESTIGE Excellence Domestic Water HeaterInstallation requirements and piping, reference the PRESTIGE Excellence IndirectWater Heater Manual beginning after page 82 of PRESTIGE Excellence WaterBoiler Manual.

The PRESTIGE Vent Supplement is included in the unit’s installation envelope. Forinstructions or information regarding the various optional vent kits contact ACV-Triangle Tube Technical Support.

WARNING

Table of Contents

i

PRODUCT AND SAFETY INFORMATION

Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Product and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

SECTION I - PRE-INSTALLATION ITEMS

Code Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Determining Product Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Boiler Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Recommended Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Residential Garage Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Boiler Freeze Protection Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

SECTION II - COMBUSTION AIR AND VENTING

Combustion Air Contamination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Ventilation and Combustion Air Requirements - Direct Vent . . . . . . . . . . . 6Ventilation and Combustion Air Requirements - Category IV . . . . . . . . . . 6Methods of Accessing Combustion Air into a Space - Category IV . . . . . . 7

- Indoor Combustion Air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7- Outdoor Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8- Combination of Indoor and Outdoor Combustion Air. . . . . . . . . . 9

Combustion Air and Vent Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Removal of an Existing Boiler from a Common Vent System . . . . . . . . . . 10Commonwealth of Massachusetts Installation . . . . . . . . . . . . . . . . . . . . . . . 11

SECTION III - UNIT PREPARATIONS

Handling Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Wall Mounting Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Wall Mounting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Wall Bracket Installation - Stud Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Wall Bracket Installation - Solid Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Boiler Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SECTION IV - BOILER PIPING

General Piping Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Pressure Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Low Water Cut Off Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Boiler Air Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Additional Limit Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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ii

Backflow Preventer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Boiler System Piping Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Expansion Tank and Makeup Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-17

Diaphragm Expansion Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Closed-Type Expansion Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Circulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Sizing Primary Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17System Piping - Zone Circulators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17System Piping - Zone Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17System Piping - Through Boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17System Piping - Radiant Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18System Piping - Special Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18System Piping - Multiple Units Installation . . . . . . . . . . . . . . . . . . . . . . . . . 18Piping Component Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19System Piping Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-21

SECTION V - INSTALLING VENT / COMBUSTION AIR & CONDENSATE DRAIN

Installing Vent and Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Installing Condensate Drain Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-23

SECTION VI - GAS PIPING

Gas Supply Piping Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Natural Gas

Pipe Sizing -Natural Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Natural Gas Supply Pressure Requirements. . . . . . . . . . . . . . . . . . . 25

Propane GasPipe Sizing - Propane Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Propane Gas Supply Pressure Requirements . . . . . . . . . . . . . . . . . . 26Gas Valve/Venturi Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

SECTION VII - INTERNAL WIRING

General Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Fuse Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Internal Factory Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

SECTION VIII - EXTERNAL WIRING

Installation Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Line Voltage Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Circulator & Diverter Valve Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Alarm Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

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Table of Contents

Low Voltage Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Thermostat Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Outdoor Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Domestic Hot Water Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Additional Boiler Limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32External Modulation Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32System Sensor Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Cascade Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Modbus Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Zone Valve Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Zone Circulator Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34System Piping Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-36

SECTION IX - TRIMAX OPERATION

Trimax User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Trimax Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Trimax Menu Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Home Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Status Line Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42EZ Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43Heating EZ Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-44Domestic Hot Water EZ Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45EZ Setup Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Display EZ Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46CH/DHW Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Boiler Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Information Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48Lockout History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Lockout Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Manual Reset Hard Lockouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Automatic Reset Soft Lockouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

SECTION X - START-UP PREPARATION

Check Boiler System Fluid ChemistryBoiler Fluid pH Level 6.0 to 8.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Boiler Fluid Hardness Less Than 7 Grains . . . . . . . . . . . . . . . . . . . 53Chlorinated Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Flush Boiler System to Remove Sediment. . . . . . . . . . . . . . . . . . . . . . . . . . 53Cleaning of Old Boiler/System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

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Table of Contents

Cleaning of New Boiler/System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Check and Test Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Use of Antifreeze in the Boiler System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Filling the Boiler System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Check Low Water Cut-Off Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Check for Gas Leaks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Check Thermostat Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Inspection of Condensate Drain Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 55

SECTION XI- START-UP PROCEDURES

Final Checks Before Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56PRESTIGE Excellence Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56If PRESTIGE Excellence does Not Start Correctly . . . . . . . . . . . . . . . . . . . 56Check the PRESTIGE Excellence and System . . . . . . . . . . . . . . . . . . . . . . 56-59Operating Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

SECTION XII - OUTDOOR RESET CONTROL

Mounting the Outdoor Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61Wiring the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

SECTION XIII - EXTERNAL MODULATING CONTROL

Wiring the Modulating Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Trimax Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Programming of External Modulating Control . . . . . . . . . . . . . . . . . . . . . . 62Factory Trimax Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

SECTION XIV - CHECK-OUT PROCEDURES

Check-Out Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

SECTION XV - INSTALLATION RECORD

Installation Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

SECTIONS XVI - MAINTENANCE SCHEDULE

Service Technician - General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66Owner Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

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Table of Contents

SECTION XVII - MAINTENANCE PROCEDURES

Maintenance ProceduresReported Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Check Surrounding Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Inspect Burner Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Check System Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Clean Condensate Drain Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 68Check Ventilation Air Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Inspect Vent and Combustion Air Piping . . . . . . . . . . . . . . . . . . . . . 68Check Boiler System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Check Expansion Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Check Boiler Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Inspection of Ignition Electrode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Check Ignition Wiring and Ground Wiring . . . . . . . . . . . . . . . . . . . 69Check Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70Check Control Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70Perform Start-Up and Checkout Procedure . . . . . . . . . . . . . . . . . . . 70Check Burner Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70Check Flame Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Check Combustion Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Check Flue Gas Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Clean Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71Review with Owner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72Handling Previously Fired Combustion Chamber Insulation . . . . . 72

REPLACEMENT PARTS

Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73-76

PRODUCT SPECIFICATIONS

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77-81

Product & Safety Information

1

Indicates the presence of a hazardoussituation which, if ignored, will result indeath, serious injury or substantialproperty damage.

Indicates a potentially hazardous situa-tion which, if ignored, can result indeath, serious injury or substantialproperty damage.

Indicates a potentially hazardous situa-tion which, if ignored, may result inminor injury or property damage.

Indicates special instructions on installa-tion, operation or maintenance, whichare important to equipment but notrelated to personal injury hazards.

Indicates recommendations made byACV-Triangle Tube for the installerswhich will help to ensure optimum oper-ation and longevity of the equipment

NOTICE

WARNING

CAUTION

BEST PRACTICE

DANGER

The following terms are used throughout this manual to bring attention to the presence ofpotential hazards or important information concerning the product.

ACV-Triangle Tube reserves the right to modify the technical specifications and compo-nents of its products without prior notice.

NOTICE

Definitions

2

Product & Safety Information

Do not use this appliance if any part hasbeen under water. Immediately call aqualified service technician to inspectthe appliance and to replace any part ofthe control system which has beenunder water.

WHAT TO DO IF YOU SMELL GAS- Do not try to light any appliance- Do not touch any electrical switch; donot use any phone in your building.

- Immediately call your gas supplierfrom a neighbor’s phone. Follow thegas supplier’s instructions.

- If you cannot reach your gas suppli-er, call the fire department.

Installation and service must be per-formed by a qualified installer, serviceagency or the gas supplier.

Should overheating occur or the gassupply fails to shut off, turn OFF themanual gas control valve external to theappliance.

DO NOT add cold make up water whenthe appliance is hot. Thermal shock cancause potential cracks in the heatexchanger.

When servicing the appliance:- Avoid electrical shock by discon-necting the electrical supply prior toperforming maintenance.

Qualified Installer:Prior to installing this product read all instruc-tions included in this manual and all accompa-nying manuals/documents with this appliance.Perform all installation steps required in thesemanuals in the proper order given. Failure toadhere to the guidelines within these manualscan result in severe personal injury, death orsubstantial property damage.

Homeowner:- This product should be maintained /serviced and inspected annually by aqualified service technician.

- This manual is intended for use by aqualified Installer/Service Technician.

Please reference the unit’s model numberand the serial number from the ratinglabel, on the control panel when inquiringabout service or troubleshooting.

ACV-Triangle Tube accepts no liability forany damage, injury or loss of life resultingfrom incorrect installation, from alterationof any factory supplied parts or from theuse of parts or fittings not specified byACV-Triangle Tube. If there is a conflict ordoubt about the proper installation of theunit or any factory supplied or replacementparts please contact ACV-Triangle TubeTechnical Support.

A byproduct of any gas fired appliance(stove, fire place, clothes dryer, waterheater, furnace, boiler, etc.) is carbonmonoxide. In the absence of any state orlocal codes requiring the installation ofcarbon monoxide detector and alarms,ACV-Triangle Tube’s recommendationis to follow the requirements of theCommonwealth of Massachusetts, seepage 11.

WARNING

WARNING

WARNING

CAUTION

DANGER WARNING

NOTICE

WARNING

WARNING

Pre-Installation Items

3

SECTION I - Pre-Installation ItemsCode ComplianceThis product must be installed in accordance tothe following:

- All applicable local, state, national andprovincial codes, ordinances, regula-tions and laws.

- For installations in Massachusetts, coderequires the boiler to be installed by alicensed plumber or gas fitter, and ifantifreeze is utilized, the installation ofa reduced pressure backflow preventerdevice is required in the boiler’s coldwater fill or make up water supply line.

- For installation in Massachusetts all directvented appliances must comply with theguidelines as outlined on page 11.

- The National Fuel Gas Code NFPA54/ANSI Z 223.1 - Latest edition.

- National Electric Code ANSI/NFPA 70.- For installations in Canada -“Installation

Code for Gas Burning Equipment”CGA/B149.1 or B149.2 CanadianElectrical Code Part 1 CSA C22.1.

- Standards for Controls and SafetyDevices for Automatically Fired Boilers,ANSI/ASME CSD-1, when required.

The PRESTIGE Excellence boiler gasmanifold and gas controls meet the safelighting and other performance require-ments as specified in ANSI Z21.13 latestedition.

Determining Product Location

The PRESTIGE boiler is certified forindoor, conditioned space installationsONLY.

Before locating the PRESTIGE Excellencecheck for convenient locations to:

- Heating system piping- Venting - Gas supply piping- Electrical service

Ensure the boiler location allows the combus-tion air/vent piping to be routed directly throughthe building and terminate properly outside witha minimum amount of length and bends.

Ensure the area chosen for the installation of thePRESTIGE Excellence is free of any com-bustible materials, gasoline and other flammableliquids.

Failure to remove or maintain the areafree of combustible materials, gasolineand other flammable liquids or vaporscan result in severe personal injury,death or substantial property damage.

Ensure the PRESTIGE Excellence and its con-trols are protected from dripping or sprayingwater during normal operation or service.

The PRESTIGE Excellence should beinstalled in a location so that any water leakingfrom the boiler or piping connections or reliefvalve will not cause damage to the area sur-rounding the unit or any lower floors in thestructure.

Boiler ReplacementIf the PRESTIGE Excellence is replacing anexisting boiler, the following items should bechecked and corrected prior to installation:

- Boiler piping leaks and corrosion.- Improper location and sizing of the

expansion tank on the boiler heatingloop.

- If applicable, level and quality of freezeprotection within the boiler system.

NOTICE

WARNING

NOTICE

Pre-Installation ItemsRecommended ClearancesThe PRESTIGE Excellence is approved forzero clearance to combustibles, excludingvent and boiler piping.

- Boiler Piping - 1/4 inch from com-bustible materials.

- Reference the appropriate vent supple-ment for clearance requirements.

To provide serviceability to the unit it isrecommended that the following clear-ances be maintained:Top boiler jacket - 24 inches [610 mm].Front - 24 inches [610 mm].Bottom boiler piping - 24 inches [610 mm].Rear - 0 inchesSides - 6 inches [153 mm]

If the clearances listed above cannot bemaintained or the enclosure in which theboiler is installed is less than 85 cubic feet,the space must be ventilated. See page 6for ventilation requirements.

When maintaining zero clearance or lessthan recommended clearances, someproduct labeling may become hiddenand unreadable.

When installing the PRESTIGEExcellence in a confined space, sufficientair must be provided for proper combus-tion and venting and to allow, undernormal operating conditions, proper airflow around the product to maintainambient temperatures within safe limitsto comply with the National Fuel GasCode NFPA 54 - latest edition.

Residential Garage InstallationsWhen installing the PRESTIGE Excellence in aresidential garage, the following special precau-tions per NFPA 54/ANSI Z223.1 must be taken:

- Mount the unit a minimum 18 inches[458 mm] above the floor level of thegarage. Ensure the burner and ignitiondevices / controls are no less than 18inches [458 mm] above the floor level.

- Locate or protect the unit in a manner so itcannot be damaged by a moving vehicle.

Boiler Freeze Protection FeatureThe Trimax boiler management system has afreeze protection feature built in. This featuremonitors the boiler temperature and responds asfollows when no call for heat is present:

- 46ºF [8ºC] CH (1) & Auxiliary BoilerPumps ON

- 42ºF [6ºC] CH (1), Auxiliary Boiler &System Pumps ON, Burner operates atlow fire

- 60ºF [15ºC] Freeze protection ends.Burner & all pumps OFF after complet-ing CH Post Pump Time.

The boiler freeze protection feature isdisabled during a hard lockout, howeverthe circulators will operate.

The boiler freeze protection feature isdesigned to protect the boiler. The boilershould be installed in a primary/sec-ondary piping arrangement if it isinstalled in an unheated space orexposed to water temperatures of 46ºF orless. See Section IV for primary/sec-ondary piping examples. See Section Xfor antifreeze guides.

NOTICE

WARNING

WARNING

CAUTION

CAUTION

BEST PRACTICE

4

Combustion Air and Venting

5

SECTION II - Combustion Air andVentingCombustion Air Contamination

If the PRESTIGE Excellence combus-tion air inlet is located in any area likelyto cause or contain contamination, or ifproducts, which would contaminate theair cannot be removed, the combustionair must be repiped and terminated toanother location. Contaminated com-bustion air will damage the unit and itsburner system, resulting in possiblesevere personal injury, death or substan-tial property damage.

Do not operate a PRESTIGE Excellenceif its combustion air inlet is located neara laundry room or pool facility. Theseareas will always contain hazardous con-taminants.Pool and laundry products and commonhousehold and hobby products oftencontain fluorine or chlorine compounds.When these chemicals pass through theburner and vent system, they can formstrong acids. These acids can create cor-rosion of the heat exchanger, burnercomponents and vent system, causingserious damage and presenting a possi-ble threat of flue gas spillage or waterleakage into the surrounding area.Please read the information listed below.If contaminating chemicals are locatednear the area of the combustion air inlet,the installer should pipe the combustionair inlet to an outside area free of thesechemicals per SECTION V of thisinstallation manual.

Potential contaminating products- Spray cans containing chloro/fluorocar-

bons- Permanent Wave Solutions- Chlorinated wax - Chlorine - based swimming pool chem-

icals / cleaners- Calcium Chloride used for thawing ice- Sodium Chloride used for water soft-

ening- Refrigerant leaks- Paint or varnish removers- Hydrochloric acid / muriatic acid- Cements and glues- Antistatic fabric softeners used in

clothes dryers- Chlorine-type bleaches, detergents, and

cleaning solvents found in householdlaundry rooms

- Adhesives used to fasten building prod-ucts and other similar products

Areas likely to contain these products- Dry cleaning / laundry areas and estab-

lishments- Beauty salons- Metal fabrication shops- Swimming pools and health spas- Refrigeration Repair shops- Photo processing plants- Auto body shops- Plastic manufacturing plants- Furniture refinishing areas and estab-

lishments- New building construction- Remodeling areas- Garages with workshops

WARNING

WARNING

6

Combustion Air and Venting

Ventilation and Combustion AirRequirements - Direct VentA Direct Vent appliance utilizes uncontaminat-ed outdoor air (piped directly to the appliance)for combustion.

For Direct Vent installations, involving onlythe PRESTIGE Excellence, in which the mini-mum service clearances are maintained as list-ed on page 4, no ventilation openings arerequired.For Direct Vent, zero clearance installationsinvolving only the PRESTIGE Excellence, thespace / enclosure must provide two openingsfor ventilation. The openings must be sized toprovide 1 square inch of free area per 1,000BTUH of boiler input. The openings shall beplaced 12 inches from the top of the space and12 inches from the floor of the space.

For installations in which the PRESTIGEExcellence shares the space with air movers(exhaust fan, clothes dryers, fireplaces, etc.)and other combustion equipment (gas or oil)the space must be provided with adequate airopenings to provide ventilation and combus-tion air to the equipment. To properly size theventilation / combustion air openings, theinstaller must comply with the National FuelGas Code NFPA 54, ANSI Z223.1 for installa-tions in the U.S or CSA B149.1 and B149.2 forinstallations in Canada.

The space must be provided with venti-lation / combustion air openings proper-ly sized for all make-up air requirements(exhaust fans, clothes dryers, fireplaces,etc.) and the total input of all applianceslocated in the same space as the PRES-TIGE Excellence, excluding the input ofa Direct Vent PRESTIGE Excellencewhich uses combustion air directly fromthe outside, thus additional free area forthe openings is not required. Failure toprovide or properly size the openingscould result in severe personal injury,death or substantial property damage.

Ventilation and Combustion AirRequirements - Category IVA Category IV appliance utilizes uncontami-nated indoor or outdoor air (surrounding theappliance) for combustion.

In order to reduce the potential risksassociated with indoor contaminates(listed on page 5), flammable vapors andtight housing construction (little or noinfiltration air), it is recommended topipe uncontaminated combustion airdirectly from the outdoors to the appli-ance. This practice also promotes highersystem efficiency by reducing heatedindoor air from being exhausted fromthe house and replaced by cold infiltra-tion air into the house.

For installations in which the PRESTIGEExcellence shares the space with air movers(exhaust fan, clothes dryers, fireplaces, etc.) andother combustion equipment (gas or oil) thespace must be provided with adequate air open-ings to provide ventilation and combustion air tothe equipment. To properly size the ventilation/ combustion air openings, the installer mustcomply with the National Fuel Gas Code NFPA54, ANSI Z223.1 for installations in the U.S orCSA B149.1 and B149.2 for installations inCanada, as referenced in this section of the man-ual and titled Methods of AccessingCombustion Air into a Space.

The space must be provided with venti-lation / combustion air openings proper-ly sized for all make-up air requirements(exhaust fans, clothes dryers, fireplaces,etc.) and the total input of all appliances,including the PRESTIGE Excellencewhen located in the same space. Failureto provide or properly size the openingscould result in severe personal injury,death or substantial property damage.

WARNING

WARNING

BEST PRACTICE

7

Combustion Air and VentingMethods of Accessing Combustion Air Into ASpace - Category IV

Indoor Combustion Air

The methods listed in this section foraccessing Indoor Combustion Airassume that the infiltration rate is ade-quate and not less than .40 ACH. Forinfiltration rates less than .40 ACH, ref-erence the NFPA 54 National Fuel GasCode for additional guidance.

Opening Size and Location

Openings used to connect indoor spaces shallbe sized and located in accordance with thefollowing see Fig. 1:

- Combining spaces on the same story.Each opening shall have a minimumfree area of 1 sq. in./1000 Btu/hr of thetotal input rating of all gas utilizationequipment in the space, but not less than100 sq. inches. One opening shall com-mence within 12 inches of the top, andone opening shall commence within 12inches of the bottom of the enclosure.

The minimum dimension of air open-ings shall be not less than 3 inches.

- Combining spaces in different stories.The volumes of spaces in different sto-ries shall be considered as communicat-ing spaces where such spaces are con-nected by one or more openings indoors or floors having a total minimumfree area of 2 sq. in./1000 Btu/hr oftotal input rating of all gas utilizationequipment.

Outdoor Combustion Air

Isolating the combustion appliance roomfrom the rest of the building and bring-ing in uncontaminated outside air forcombustion and ventilation is alwayspreferred.

Opening Size and Location

The minimum dimension of air openings shallbe not less than 3 inches

Openings used to supply combustion and ven-tilation air shall be sized and located in accor-dance with the following:

One Permanent Opening Method. See Fig. 2One permanent opening, commencing within 12in. of the top of the enclosure, shall be provided.The equipment shall have clearances of at least 1inch from the sides and 6 in. from the front of theappliance. The opening shall directly communi-cate with the outdoors or shall communicatethrough a vertical or horizontal duct to the out-doors or spaces that freely communicate with theoutdoors and shall have a minimum free area ofthe following:

- 1sq. in./3000 Btu/hr of the total inputrating of all equipment located in theenclosures, and

NOTICE

BEST PRACTICE

All Combustion Air from AdjacentIndoor Spaces Through IndoorCombustion Openings

Fig. 1:

8

Combustion Air and Venting

- Not less than the sum of the areas of allvent connectors in the space.

Two Permanent Openings Method. Two permanent openings, one commencingwithin 12 in. of the top and one commencingwithin 12 in. of the bottom of the enclosure,shall be provided. The openings shall commu-nicate directly, or by ducts, with the outdoorsor spaces that freely communicate with the out-doors, as follows:

- Where directly communicating with theoutdoors or where communication to theoutdoors is through vertical ducts, eachopening shall have a minimum free areaof 1 sq. in./4000 Btu/hr of total input rat-ing of all equipment in the enclosure.See Fig.3.

- Where communicating with the out-doors is through horizontal ducts, eachopening shall have a minimum freearea of not less than 1 sq.in./2000Btu/hr of total input rating of all equip-ment in the enclosure. See Fig. 4.

All Combustion Air from OutdoorsThrough One Permanent AirOpening

Fig. 2: All Combustion Air from OutdoorsThrough Ventilated Attic

Fig. 3:

All Combustion Air from OutdoorsThrough Horizontal Ducts

Fig. 4:

9

Combustion Air and VentingCombination of Indoor and OutdoorCombustion Air

Indoor Openings: Where used, openings con-necting the interior spaces shall comply withthe Indoor Combustion Air section on page 7.

Outdoor Opening(s) Location. Outdoor open-ing(s) shall be located in accordance with theOutdoor Combustion Air section.

Outdoor Opening(s) Size. Outdoor opening(s) shallbe calculated in accordance with the following:

- The ratio of the interior spaces shall bethe available volume of all communi-cating spaces divided by the requiredvolume.

- The outdoor size reduction factor shallbe 1 minus the ratio of interior spaces.

- The minimum size of outdoor open-ing(s) calculated in accordance with theabove outdoor air section multiplied bythe reduction factor. The minimumdimension of air openings shall not beless than 3 in.

Do not install the PRESTIGE Excellenceinto a common vent with other gas or oilappliances. This may cause flue gasspillage or appliance malfunction, result-ing in possible severe personal injury,death or substantial property damage.

Combustion Air and Vent PipingThe PRESTIGE Excellence requires aCategory IV venting system, which is designedfor pressurized venting and condensate.

The PRESTIGE Excellence is certified perANSI Z21.13 as a Category IV or Direct Vent(sealed combustion) appliance. A Category IVappliance utilizes uncontaminated indoor oroutdoor air (surrounding the appliance) forcombustion. A Direct Vent appliance utilizesuncontaminated outdoor air (piped directly tothe appliance) for combustion.

In order to reduce the potential risksassociated with indoor contaminates(listed on page 5), flammable vapors andtight housing construction (little or noinfiltration air), it is recommended topipe uncontaminated combustion airdirectly from the outdoors to the appli-ance. This practice also promotes highersystem efficiency by reducing heatedindoor air from being exhausted fromthe house and replaced by cold infiltra-tion air into the house.

Install combustion air and vent pipe asdetailed in the PRESTIGE VentSupplement included in the boiler installa-tion envelope. Refer to optional vent kitinstructions for addition vent installationinstructions.

Verify installed combustion air and ventpiping are sealed gas tight and meet allprovided instructions and applicablecodes, failure to comply will result insevere personal injury of death.

NOTICE

BEST PRACTICE

DANGER

DANGER

10

Combustion Air and VentingRemoval of an Existing Boiler from aCommon Vent System

When an existing boiler is removed from acommon venting system, the common ventingsystem is likely to be too large for properventing of the remaining appliances. At thetime of removal of an existing boiler, the fol-lowing steps shall be followed with eachappliance remaining connected to the com-mon venting system placed in operation,while the other appliances remaining con-nected to the common venting system are notin operation.1. Seal any unused openings in the common

venting system.2. Visually inspect the venting system for

proper size and horizontal pitch and deter-mine there is no blockage or restriction,leakage, corrosion and other deficiencieswhich could cause an unsafe condition.

3. Insofar as is practical, close all buildingdoors and windows and all doors betweenthe space in which the appliances remain-ing connected to the common venting sys-tem are located and other spaces of thebuilding. Turn on clothes dryers and anyappliance not connected to the commonventing system. Turn on any exhaust fans,such as range hoods and bathroomexhausts, so they will operate at maximumspeed. Do not operate a summer exhaustfan. Close fireplace dampers.

4. Place in operation the appliance beinginspected. Follow the lighting instructions.Adjust thermostat so appliance will operatecontinuously.

5. Test for spillage at the draft hood reliefopening after 5 minutes of main burneroperation. Use the flame of a match or can-dle, or smoke from a cigarette, cigar or pipe.

6. After it has been determined that eachappliance remaining connected to the com-mon venting system properly vents whentested as outlined above, return doors, win-dows, exhaust fans, fireplace dampers, andany other gas-burning appliance to theirprevious condition of use.

7. Any improper operation of the commonventing system should be corrected so theinstallation conforms with the NationalFuel Gas Code, ANSI Z223.1/NFPA 54and/or CAN/CGA B149, Installation codes.When resizing any portion of the commonventing system, the common venting sys-tem should be resized to approach the min-imum size as determined using the appro-priate tables in Part II of the National FuelGas Code ANSI Z223.1/NFPA 54 and/orCAN/CGA B149, Installation codes.

Do not install the PRESTIGE Excellenceinto a common vent with other gas or oilappliances. This may cause flue gasspillage or appliance malfunction, result-ing in possible severe personal injury,death or substantial property damage.

BEST PRACTICE

DANGER

11

Combustion Air and Venting

For direct-vent appliances, mechanical-vent heating appliances or domestic hotwater equipment, where the bottom of thevent terminal and the air intake is installedbelow four feet above grade the followingrequirements must be satisfied:

1. If there is not one already present, oneach floor level where there are bed-room(s), a carbon monoxide detectorand alarm shall be placed in the livingarea outside the bedroom(s). The car-bon monoxide detector shall complywith NFPA 720 (2005 Edition).

2. A carbon monoxide detector shall alsobe located in the room that houses theappliance or equipment and shall:

a. Be powered by the same electrical cir-cuit as the appliance or equipment suchthat only one service switch servicesboth the appliance and the carbonmonoxide detector;

b. Have battery back-up power;

c. Meet ANSI/UL 2034 Standards andcomply with NFPA 720 (2005 Edition);and

d.Have been approved and listed by theNationally Recognized TestingLaboratory as recognized under 527CMR.

3. A Product-approved vent terminal mustbe used, and if applicable, a Product-approved air intake must be used.Installation shall be in strict compliancewith the manufacturer’s instructions. Acopy of the installation instructionsshall remain with the appliance orequipment at the completion of theinstallation.

4. A metal or plastic identification plateshall be mounted at the exterior of thebuilding, four feet directly above thelocation of vent terminal. The plateshall be of sufficient size to be easilyread from a distance of eight feet away,and read “Gas Vent Directly Below”.

Installer must provide tag identificationplate and ensure the lettering meets coderequirements.For direct-vent appliances, mechanical-vent heating appliances or domestic hotwater equipment, where the bottom of thevent terminal and the air intake are installedabove four feet above grade the followingrequirements must be satisfied:1. If there is not one already present, on

each floor level where there are bed-room(s), a carbon monoxide detectorand alarm shall be placed in the livingarea outside the bedroom(s). The car-bon monoxide detector shall complywith NFPA 720 (2005 Edition).

2. A carbon monoxide detector shall: a. Be located in the room that houses theappliances or equipment;

b.Be either hard wired or battery poweredor both; and

c. Shall comply with NFPA 720 (2005Edition)

3. A Product-approved vent terminal mustbe used, and if applicable, a Product-approved air intake must be used.Installation shall be in strict compliancewith the manufacturer’s instructions. Acopy of the installation instructionsshall remain with the appliance orequipment at the completion of theinstallation.

NOTICE

Commonwealth of Massachusetts Installations Only

12

Unit PreparationsSECTION III - Unit PreparationsHandling InstructionsThe PRESTIGE Excellence is generally easierto handle and maneuver once removed fromthe shipping carton.

To remove the shipping carton:

Use care not to drop, bump or rotate theboiler upside down, as damage to theboiler will result.

1. Remove any shipping straps and open theside of the shipping carton.

2. Slide the unit with the foam inserts out ofthe carton.

3. Discard all packing materials.

Wall Mounting InstallationThe PRESTIGE Excellence should be wallmounted using the bracket provided with theboiler. The PRESTIGE Excellence is notdesigned for floor installation. If floor installa-tion is required an optional floor stand is avail-able through ACV-Triangle Tube.

The wall used for mounting the PRES-TIGE Excellence must be verticallyplumbed and capable of supporting aminimum 250 pounds [115 kg]. Failureto comply with these requirements couldresult in personal injury, death or sub-stantial property damage.

Wall Mounting Guidelines1. The wall-mounting bracket is designed for

stud spacing of 12 inch or 16 inch on cen-ters. For unconventional stud spacing, asolid / secure mounting surface must beprovided for installation of the bracket.

2. DO NOT mount or attempt to mount thewall bracket to hollow sheet rock or lathwalls using anchors. Only install boiler tostuds or equivalent wood structure.

3. For applications using solid walls (rock,concrete, brick, cinder block, etc.), installthe wall bracket using anchors (doubleexpansion shields) and bolts with washersprovided with the boiler.

4. The boiler is too heavy and bulky for a sin-gle person to lift and attempt to mount; aminimum of 2 people are required formounting the boiler.

Use extreme care not to drop the boileror cause bodily injury while lifting ormounting the boiler onto the bracket.Once mounted verify that the boiler issecurely attached to the bracket andwall. Failure to comply with the aboveguidelines could result in property dam-age, personal injury or death.

NOTICE

NOTICE

CAUTION

13

Unit PreparationsWall Bracket Installation - Stud Walls1. To distribute the weight of the boiler even-

ly when mounting onto a stud wall it is rec-ommended to use the PRESTIGE WallFrame kit.

2. When using the wall frame to mount theboiler reference the kit installation instruc-tions and ensure the frame is securely fas-tened to the wall.

3. If the structure of wall is questionable, insupporting a minimum weight of 250pounds [115 kg.], it is recommended to usethe optional floor stand.

Wall Bracket Installation - Solid Walls1. Locate the general area of the boiler place-

ment.2. Place the wall-mounting bracket on the

wall ensuring the upper edge of the bracketis away from the wall.

3. Level the bracket and use a pencil to markthe location of the mounting slots on thewall.

4. Remove the bracket from the wall and drilla 5/8” diameter hole by 1-3/8” deep posi-tioned in the center of each mark.

5. Install the anchors (provided) flush orslightly recessed in the drilled holes withthreaded side facing down.

6. Reposition the bracket on the wall andalign mounting slots/holes. Insert the twobolts (provided) through the mountingslots/holes and loosely tighten.

7. Level bracket and tighten bolts securely.

Boiler Mounting1. Obtain assistance in lifting the boiler onto

the wall bracket.2. Install the boiler making sure the boiler

mounting lip located along the upper edgeof the rear jacket panel engages the wall-mounting bracket. Ensure the boiler isseated properly and is secure.

Boiler Piping

SECTION IV - Boiler PipingGeneral Piping Requirements- All plumbing must meet or exceed all local,

state and national plumbing codes.- Support all piping using hangers. DO NOT

support piping by the unit or its components.- Use isolation valves to isolate system com-

ponents.- Install unions for easy removal of the

PRESTIGE Excellence from the systempiping.

- If plastic pipe is used for boiler piping, itmust have a maximum oxygen diffusionrate of 0.1 mg/liter per day for boiler andwater heater protection.

Use a two wrench method when tighten-ing piping onto the boiler connections.Use one wrench to prevent the boilerpiping from turning / twisting. Failureto support the boiler piping and connec-tions in this manner could cause damageto the boiler and its components.

Pressure Relief Valve1. The PRESTIGE Excellence is supplied

with a 30 psi pressure relief valve and mustbe piped using the PRV connection asshown in Fig. 5 page 15.

2. To avoid potential water damage to the sur-rounding area or potential scalding hazarddue to the operation of the relief valve, thedischarge piping:- Must be connected to the discharge out-

let of the relief valve and directed to asafe place of disposal.

- Length should be as short and direct aspossible. The size of the discharge lineshould not be reduced, maintain thesame size as the outlet of the relief valve.

- Should be directed downward towardsthe floor at all times. The piping shouldterminate at least 6 inches [153 mm]above any drain connection to allowclear visibility of the discharge.

- Should terminate with a plain end, notwith a threaded end. The material ofthe piping should have a serviceabletemperature rating of 250ºF or greater.

- Should not be subject to conditionswhere freezing could occur.

- Should not contain any shut-off valves orobstructions. No shut-off valve should bepiped between the boiler and relief valve.

Failure to comply with the guidelines oninstalling the pressure relief valve and dis-charge piping can result in personal injury,death or substantial property damage.

Low Water Cutoff Device- The PRESTIGE Excellence is equipped with

a factory installed pressure switch type LowWater Cut Off device.

- The minimum operating system pressureallowable with this device is 10 psig.

- Check local codes if a Low Water CutoffDevice is required. If so, determine if this devicemeets the requirements of the local codes.

The PRESTIGE Excellence control sys-tem also senses the system water tempera-tures entering and exiting the heatexchanger to provide protection againstlow water conditions Where local codesand jurisdiction do not accept a pressuredevice for low water protection, the juris-dictions may accept these PRESTIGEExcellence integral control functions as ameans of providing low water protection.

WARNING

WARNING

NOTICE

14

15

Boiler Piping

Boiler Return Connection

Boiler Drain Valve(field supplied)

Boiler Supply Connection

Pressure Relief Valve(Supplied with Boiler)

3/4" Street ElbowAir Vent

Drain Piping Directedto a Suitable

Place of Drainage

Fig. 5: Pressure Relief Valve and Boiler Drain Valve Installation

Boiler Air Vent

This boiler is supplied with a specialautomatic air vent that will provide reli-able operation in purging air from theboiler. The hygroscopic cap suppliedwith the automatic air vent MUSTremain tight at all times on the air ventbody. The hygroscopic cap has a mem-brane which expands upon contact withwater and seals the air vent until themembrane dries up due to new airforming in the air vent.

1. Make sure to fully tighten the cap on the airvent on initial installation.

2. Never loosen the hygroscopic cap to allowair to escape the air vent. Air will exit withthe cap fully tightened in place.

3. If the hygroscopic cap is not fully tight-ened, water may leak from the cap. Simplytighten the cap securely.

NOTICE

Boiler Piping

Additional Limit ControlIf a separate LWCO device is required by cer-tain local jurisdictions or when the boiler isinstalled above the system piping, the follow-ing guidelines must be followed:

- The LWCO device must be designedfor water installations, electrode probe-type is recommended.

- The LWCO device must be installed ina tee connection on the boiler supplypiping above the boiler.

- Wiring of the LWCO device to the PRES-TIGE Excellence is done directly onto thelow voltage terminal strip, reference Fig.19 page 29 for available terminals for anexternal limit (manual or auto reset).

If the installation is to comply with ASME orCanadian requirements, an additional hightemperature limit may be needed. Consultlocal code requirements to determine compli-ance. The limit should be installed as follows:

- Install the limit in the boiler supply pip-ing between the boiler and any isolationvalve.

- Consult heat exchanger for maximumset point of limit.

- For wiring of the limit reference Fig. 19,page 29, using the external limit/manualreset terminals on the low voltage termi-nal strip. This will provide a "hard" lock-out requiring a manual reset of the control.

Backflow Preventer- Use a backflow preventer valve in the

make-up water supply to the unit asrequired by local codes.

Boiler System Piping Applications

It is recommended on all piping applica-tions to utilize a primary/secondary pip-ing arrangement as a means to providefreeze protection of the boiler, which isan integral function of the boiler control.Maintain the minimum boiler flow rate,see Graph 2 on page 81. For other pip-ing arrangements, contact ACV-TriangleTube Technical Support or consult otherapproved/recognized design arrange-ments.

On piping applications utilizing a singlezone or other recognized piping designarrangements, it is recommended that theinstaller uses flow/check valves withweighted seats at or near the appliance toprevent gravity circulation.

Expansion Tank and Makeup WaterEnsure the expansion tank is properly sized forthe boiler volume (5 gallons [19 L]) and thesystem volume and temperature.

Undersized expansion tanks will causesystem water to be lost through the pres-sure relief valve and cause additionalmakeup water to be added to the system.Eventual boiler heat exchanger failurecan result due to this excessive makeupwater addition.

The expansion tank must be located as shownin Figs. 9 through 12 on pages 20 and 21 or asper recognized design methods. Refer to theexpansion tank manufacturer instructions foradditional installation details.

CAUTION

BEST PRACTICE

BEST PRACTICE

16

Boiler Piping

Connect the expansion tank to an air separatoronly if the air separator is located on the suc-tion side (inlet) of the system circulator.Always locate and install the system fill con-nection at the same location as the expansiontank connection to the system.

Diaphragm Expansion TankAlways install an automatic air vent on the topof the air separator to remove residual air fromthe system.

Closed-Type Expansion TankIt is recommended to pitch any horizontal pip-ing upwards toward the expansion tank 1 inchper 5 feet of piping. Use 3/4” piping for theexpansion tank to allow air within the systemto rise.

DO NOT install automatic air vents on aclosed-type expansion tank system. Airmust remain in the system and bereturned to the expansion tank to pro-vide an air cushion. An automatic airvent would cause air to be vented fromthe system resulting in a water-loggedexpansion tank.

CirculatorThe PRESTIGE Excellence is supplied with aBoiler circulator that provides circulation forcentral/space heating (CH) and domestic hotwater (DHW) production. See Graph 2 on page81 for pressure drop and minimum flow ratethrough the boiler.

Sizing Primary PipingSee Figs. 9 through 12 on pages 20 and 21, forrecommended piping arrangements based onvarious applications. Size the piping and sys-tem components required in the space heatingsystem, using recognized design methods.

System Piping - Zone CirculatorsConnect the PRESTIGE Excellence to the sys-tem piping as shown in Fig. 9 page 20 whenzoning with zone circulators.

The installer must provide a separate circulatorfor each zone of space heating.

To ensure an adequate flow rate throughthe PRESTIGE Excellence, the boilersupply and return piping size must be aminimum of 1 inch.

System Piping - Zone ValvesConnect the PRESTIGE Excellence to the systempiping as shown in Fig. 10 page 20 when zoningwith zone valves. The primary / secondary pipingensures that the boiler loop has sufficient flow.

To ensure an adequate flow rate throughthe PRESTIGE Excellence, the boiler sup-ply and return piping size must be a min-imum of 1 inch.

System Piping - Through BoilerIn new or retrofit applications in whichprimary/secondary arrangement is not utilized, thePRESTIGE Excellence allows this flexibility dueto a lower boiler pressure drop, see Graph 2 onpage 81.Figure 11, page 21 illustrates a multiple zonevalve system with a single system/boiler circu-lator. A by-pass loop with a pressure differentialvalve must be installed on the system piping.Figure 12, page 21 illustrates a single zone utiliz-ing the boiler circulator as the system circulator.

NOTICE

CAUTIONNOTICE

17

18

Boiler PipingSystem Piping - Radiant HeatingThe heat exchanger design of the PRESTIGEallows operation in a condensing mode. This fea-ture requires no regulation of the return temperatureback to the boiler in radiant heating applications.

Due to the construction of the waterheater, do not install the PRESTIGEExcellence if the boiler piping containsnon-oxygen barrier tubing if the boilerpiping is considered an “open system”.Exposing the outer tank of the PRES-TIGE Excellence water heater to oxygencontamination will lead to prematuretank failure and denial of the warranty.

The boiler water supply temperature can bemaintained by the PRESTIGE, eliminatingthe need for a mix system to achieve thedesired temperature.

It is recommended for the installer to install ahigh temperature limit to ensure that the primarysupply temperature does not exceed the maxi-mum allowable temperature for the radiant tub-ing.

Size the system piping and circulator to pro-vide the flow needed for the radiant system.

To ensure an adequate flow rate throughthe PRESTIGE Excellence, the boilersupply and return piping size must be aminimum of 1 inch.

The addition of the high temperature limitis important when the PRESTIGEExcellence has completed a DHW call,which requires a high primary supplywater temperature.

System Piping - Special ApplicationIf the boiler is used in conjunction with achilled water/medium system, the boiler andchiller must be piped in parallel. Installflow/check valves to prevent the chilled medi-um from entering into the boiler.

If the boiler is used to supply hot water to theheating coils of an air handler where they maybe exposed to chilled air circulation, installflow/check valves or other automatic meansto prevent gravity circulation of the boilerwater during cooling cycles.

System Piping - Multiple Units InstallationIt is recommended to use a balanced manifoldsystem as the primary / secondary connectionto the space heating piping.

Maintain a minimum of 6 inches [153 mm] ofclearance between units to allow for servicing.For the space heating piping refer to the appli-cations mentioned in this manual or use recog-nized design methods.

CAUTION

NOTICE

NOTICE

19

Boiler Piping

Fig. 6: Piping Component Legend

20

Boiler Piping

AUX(Inside cabinet)

ZC2ZC1

D.V.

Z.V.

Z.V. SC1

BC1

prestige

AUX(Inside cabinet)

SYS

Fig. 9: System Piping - Zoning with Zone Circulators

Fig. 10: System Piping - Zoning with Zone Valves

The boiler system piping shown must be a “closed” system to avoid anyoxygen contamination and potential failure of the outer tank of the waterheater

NOTICE

Note: Reference Fig. 23, page 35 forPrestige Wiring.

Note: Reference Fig. 24, page 35 forPrestige Wiring.

Note: ZC1 and ZC2 circulatorscontrolled by SZC5 Zone Panel.

21

Boiler Piping

Z.V.

Z.V.

D.V.

BC1

prestige

AUX(Inside cabinet)

AUX(Inside Cabinet)

Fig. 11: System Piping - Multiple Zone Valve with Single System/Boiler Circulator

Fig. 12: System Piping - Single Zone System with Single System/Boiler Circulator

Note: Verify AUX circulator isproperly sized to overcome thesystem pressure drop and pro-vide adequate flow through theboiler system.

Note: Verify AUX circulatoris properly sized to overcomethe system pressure drop andprovide adequate flowthrough the boiler system.

The boiler system piping shown must be a “closed” system to avoid anyoxygen contamination and potential failure of the outer tank of the waterheater.

NOTICE

Note: Reference Fig. 25, page 36 forPrestige Wiring.

Note: Reference Fig. 26, page 36 forPrestige Wiring.

22

Installing Vent/Combustion Air & Condensate Drain

SECTION V - Installing Vent /Combustion Air & Condensate DrainInstalling Vent and Combustion Air

The PRESTIGE Excellence must be vent-ed and supplied with combustion air asshown in the PRESTIGE VentSupplement, included in the boiler instal-lation envelope. Refer to optional vent kitinstructions for additional vent installa-tion instructions. Once installation iscompleted, inspect the vent and combus-tion air system thoroughly to ensure sys-tems are airtight and comply with theinstructions given in the venting supple-ment and are within all requirements ofapplicable codes. Failure to comply withthe installation requirements on the vent-ing and combustion air piping will causesevere personal injury or death.

Installing Condensate Drain Assembly1. Locate the condensate drain assembly and

install as shown in Fig. 14 page 23.2. Remove the retaining nut, metal washer

and rubber seals from the condensate drainassembly. The metal washer must first becut using a pair of diagonal cutting pliers tomake it into a split washer. Insert themetal washer into the retaining nut andscrew onto the condensate drain assemblywithout rubber gaskets. Use the condensatedrain assembly as a tool to press the retain-ing nut with metal washer onto thepolypropylene condensate pan.

The installer may want to fill the con-densate trap with water prior to assem-bling on the unit.

3. Reassemble the condensate drain assemblyonto the boiler by tightening the retainingnut with rubber seal onto the boiler.

Ensure installation of the condensatedrain assembly included the metal wash-er. Failure to comply could result in thetrap assembly dislocating from the boiler.

Ensure the condensate drain assemblycontains the plastic seated ball. Do notinstall the condensate drain assembly ifthe ball is lost or missing, replace theentire assembly.

4. Remove the compression nut and rubberseal from the drain outlet.

5. Using 3/4” x 2’ flexible PVC tube provid-ed, slide the compression nut and rubberseal over the pipe

The use of 3/4” PVC or CPVC pipe isalso acceptable. If 3/4” pipe is useddeburr and chamfer pipe to allow mat-ing onto the drain assembly.

6. Thread the rubber seal into the compres-sion nut to ease installation of the pipe tothe drain assembly.

7. Seat the pipe onto the drain assembly andtighten the compression nut. Hand tightonly!

The installer may opt to using 13/16" IDtubing in lieu of rigid piping.

DANGER

WARNING

WARNING

NOTICE

NOTICE

NOTICE

Flexible Tubing(or 3/4 PVC/ CPVC Piping

to Drain)

CompressionNut with Rubber Seal

Fill Plugwith VacuumBreak Port

CondensateDrain Assembly

Plastic Ball(Not shown)

Retaining Nut(Hand Tight Only)

Place the Metal Washerand (2) Rubber Gaskets

in this Order for ProperSeal.

23

Installing Vent/Combustion Air & Condensate Drain

The drain line materials must be anapproved material by the authority hav-ing jurisdiction. In absence of suchauthority, PVC and CPVC piping mustcomply with ASTM D1785 or D2845.The cement and primer used on the pip-ing must comply with ASME D2564 orF493. For installations in Canada, useCSA or ULC certified PVC or CPVCpipe, fittings and cement/primer.

8. Continue the pipe from the drain assemblyto a floor drain or condensate pump.

When selecting and installing a conden-sate pump, ensure the pump is approvedfor use with condensing boilers and fur-naces. The pump should be equippedwith an overflow switch to prevent prop-erty damage from potential condensatespillage.

9. The PRESTIGE Solo will typically producea condensate that is considered slightlyacidic with a pH content below 3.0. Installa neutralizing filter if required by authorityhaving jurisdiction.

The condensate drain must remain filledand unobstructed and allow unrestrictedflow of condensate. The condensateshould not be subject to conditionswhere freezing could occur. If the con-densate is subjected to freezing orbecomes obstructed , it can leak, result-ing in potential water damage to the boil-er and surrounding area.NOTICE

CAUTION

NOTICE

Fig. 14: Condensate Drain Assembly

24

Gas PipingSECTION VI - Gas PipingGas Supply Piping Connection

The gas supply piping must be installedin accordance to all applicable local,state and national codes and utilityrequirements.

1. Install a 1/2” NPT pipe union at the factorysupplied gas nipple, for ease of service.

2. Install a manual shutoff valve in the gassupply piping as shown in Fig. 15. Forinstallations in Canada the installer musttag and identify the main shutoff valve.

3. Install a sediment trap (drip leg) on the gassupply line prior to connecting to the PRES-TIGE Excellence gas train as shown in Fig.15.

4. Support the gas piping using hangers. Donot support the piping by the unit or itscomponents.

5. Purge all air from the gas supply piping.6. Before placing the PRESTIGE Excellence

into operation, check and test all connec-tions for leaks.- Close the manual shutoff valve during

any pressure test with less than 13”w.c.. - Disconnect the PRESTIGE Excellence

and its gas valve from the gas supplypiping during any pressure test greaterthan 13”w.c..

Do not check for gas leaks with an openflame. Use a gas detection device or bub-ble test. Failure to check for gas leakscan cause severe personal injury, deathor substantial property damage.

7. Use pipe dope compatible with natural andpropane gases. Apply sparingly only to themale threads of pipe joints so that pipedope does not block gas flow.

Failure to apply pipe dope as detailedabove can result in severe personalinjury, death or substantial propertydamage.

Use a two-wrench method of tighteninggas piping near the unit and its gas pip-ing connection. Use one wrench to pre-vent the boiler gas line connection fromturning and the second to tighten adja-cent piping. Failure to support the boil-er gas piping connection could damagethe gas line components.

WARNING

WARNING

WARNING

NOTICE

Sediment Trap Min. Length of 3"

Union Fitting Cap

Tee Fitting

External Manual Gas Shut Off Valve (Must Be Within 6' of the Boiler)

Gas Flow

Fig. 15: Recommended Gas Supply Piping

25

Gas PipingNATURAL GASPipe Sizing - Natural GasRefer to Table 1 for schedule 40 metallic pipelength and diameter requirements for naturalgas, based on rated PRESTIGE Excellenceinput (divide by 1,000 to obtain cubic feet perhour).- Table 1 is based on Natural Gas with a spe-

cific gravity of 0.60 and a pressure dropthrough the gas piping of 0.30”w.c..

- For additional gas piping sizing informa-tion, refer to ANSI Z223.1. For Canadianinstallations refer to B149.1 or B149.2.

Natural Gas Supply Pressure Requirements1. Pressure required at the gas valve inlet

supply pressure port:- Maximum 13”w.c. at flow or no flow

conditions to the burner.- Minimum 5”w.c. during flow conditions

to the burner. Must be verified duringstart up and with all other gas appliancesoperating within the building.

2. Install 100% lockup gas pressure regulatorin the gas supply line if inlet pressure canexceed 13”w.c at any time. Adjust the lock-up pressure regulator for 13”w.c maximum.

DO NOT adjust or attempt to measuregas valve outlet pressure. The gas valveis factory-set for the correct outlet pres-sure. This setting is suitable for naturalgas and propane and requires no fieldadjustment. Attempts by the installer toadjust or measure the gas valve outletpressure could result in damage to thevalve, causing potential severe personalinjury, death or substantial propertydamage.

WARNING

Table 1: Gas Piping Sizing - Natural Gas

Length of Pipe inFeet

Capacity of Schedule 40 Metallic Pipe in Cubic Feet of Natural Gas PerHour (based on 0.60 specific gravity, 0.30" w.c. pressure drop)

SCH 40 1/2" 3/4" 1" 1-1/4" 1-1/2"10 132 278 520 1050 160020 92 190 350 730 110030 73 152 285 590 89040 63 130 245 500 76050 56 115 215 440 67075 45 93 175 360 545100 38 79 150 305 460150 31 64 120 250 380

26

Gas Piping

PROPANE GAS

Pipe Sizing - Propane Gas

Prior to start up, ensure the unit is set tofire propane. Check the rating label forthe type of fuel. Check the gas valve forpropane conversion label. If there is aconflict or doubt on the burner set up,remove the gas valve and check for thepropane orifice, see Fig. 16, page 27.Failure to ensure proper burner setupcould result in severe personal injury,death or substantial property damage.

Contact the local propane gas supplier for rec-ommended sizing of piping, tanks and 100%lockup gas regulator.

Propane Gas Supply Pressure Requirements

1. Adjust the propane supply regulator pro-vided by the gas supplier for 13”w.c. max-imum pressure

2. Pressure required at the gas valve inlet sup-ply pressure port:- Maximum 13”w.c. at flow or no flow

conditions to the burner- Minimum 5”w.c. during flow conditions

to the burner. Must be verified duringstart up and with all other gas appliancesoperating within the building.

DO NOT adjust or attempt to measuregas valve outlet pressure. The gas valveis factory-set for the correct outlet pres-sure. This setting is suitable for naturalgas and propane and requires no fieldadjustment. Attempts by the installer toadjust or measure the gas valve outletpressure could result in damage to thevalve, causing potential severe personalinjury, death or substantial propertydamage.

The propane orifice requirements are:PRESTIGE Excellence: 0.204” (5.2 mm)

WARNING

WARNING

NOTICE

27

Gas Piping

Venturi

LP Orifice(if required)ThrottleScrew

Gas ValveGasket

Gas Valve

Offset PressureCover Screw

Inlet GasPressure Port

Fig. 16: Gas Valve / Venturi Assembly - PRESTIGE Excellence

28

Internal WiringSECTION VII - Internal Wiring

ELECTRICAL SHOCK HAZARD. Foryour safety, disconnect electrical powersupply to the unit before servicing ormaking any electrical connections toavoid possible electric shock hazard.Failure to do so can cause severe person-al injury or death.

Prior to servicing, label all wires beforedisconnecting. Wiring errors can causeimproper and dangerous operation.Verify proper wiring and operation afterservicing.

General Requirements- Wiring must be N.E.C Class 1.- If original wiring as supplied with the unit

must be replaced, use only Type T 194ºF[90ºC] wire or equivalent as a minimum.

- The PRESTIGE must be electricallygrounded as required by NationalElectrical Code ANSI/NFPA 70 - latest edi-tion and / or the Canadian Electrical CodePart 1, CSA C22.1, Electrical Code.

Fuse LocationsThe TriMax control module contains 2 internalreplaceable 5A fuses as shown in Figure 18.

Additional fuses are also located on the linevoltage terminals as shown in Fig. 18A andFig. 19.

TriMax Line Voltage Fuses

CAUTION

WARNING

Locationof Fuses

Fig. 18: TriMax Control Module Fuse Location

TriMax Line VoltageFuse Location

Fig. 18A: Fuse Location on the line volt-age Terminals

Fuse Size Terminals Purpose

2.5A 23,24,25 CH2 /System Pump

2.5A 26,27,28 Auxiliary Boiler Pump

2.5A 29,30,31 DHW Pump / Diverter Valve

2.5A 32,33,34 CH1 Pump/Diverter Valve

8.0A 35,36,37 Power Supply

2.5A 38,39,40 Alarm

29

Internal Wiring

Fig. 19: PRESTIGE Excellence Boiler Factory Wiring

30

External WiringSECTION VIII- External WiringInstallation ComplianceAll field wiring made during installation mustcomply with:

- National Electrical Code NFPA 70 andany other national, state, provincial orlocal codes or requirements.

- In Canada, CSA C22.1 Canadian ElectricalCode Part 1, and any other local codes.

ELECTRICAL SHOCK HAZARD.Before making any electrical connec-tions to the PRESTIGE, disconnect elec-trical power supply at the service panel.Failure to comply can cause severe per-sonal injury or death.

The line voltage terminals are located onthe right set of terminals 23 through 40.The low voltage terminals are located onthe left set of terminals 1 through 22.

Line Voltage Connections1. Connect a dedicated 120 VAC/15A service

to the line voltage terminal strip on thewiring panel below the PRESTIGE controlmodule, as shown in Fig. 19, page 29.

2. Route the incoming 120 VAC power wirethrough the provided openings in the bot-tom jacket panel.

3. The unit is provided with a service switchlocated on the front panel, check local coderequirements for compliance.

If local electrical codes or conditionsrequire an additional service switch, theinstaller must provide and install a fuseddisconnect or 15 amp (minimum) serviceswitch.

Circulator & Diverter Valve WiringThe PRESTIGE Excellence contains aprewired Boiler circulator as well as a DiverterValve. The Boiler circulator is enabled for anyCH1, CH2, or DHW call. The Diverter Valvewill direct water flow to the CH SupplyConnection at the bottom of the boiler during aCH1 or CH2 call or to the internal IndirectWater Heater during a DHW call.1. The Boiler circulator is prewired to the line

voltage terminal strip on the wiring panelbelow the PRESTIGE control module, asshown in Fig. 19 on page 29. The Boilercirculator is enabled for any CH1, CH2, orDHW call. This circulators is used to sup-ply heat to the central/space heating loop aswell as the internal Indirect Water Heater.

2. The Diverter Valve is prewired to the linevoltage terminal strip on the wiring panelbelow the PRESTIGE control module, asshown in Fig. 19 on page 29. The DiverterValve will direct water flow to the CHSupply Connection at the bottom of theboiler during a CH1 or CH2 call or to theinternal Indirect Water Heater during aDHW call.

3. Connect the System circulator to the linevoltage terminal strip on the wiring panelbelow the PRESTIGE control module, asshown in Fig. 19 on page 29. The Systemcirculator is enabled during a CH1 or CH2call with the factory default TrimaxSettings. This circulator is typically used tocirculate water in the secondary CH loopwhen zoning with zone valves.

Each circulator/diverter valve output isindividually fused with a 2.5A fuse locat-ed in the terminal strip. Use an isolationrelay if the circulator amp draw exceeds2.5A.

NOTICE

NOTICE

WARNING

NOTICE

31

External WiringAlarm WiringThe alarm contact closes whenever thePrestige is in a soft or hard lockout. Thisdry contact can be connected to an externalmonitoring system or other indicator to alertthe operator that the Prestige is locked out.1. Connect the external monitoring device to

the line voltage terminal strip on the wiringpanel below the PRESTIGE control mod-ule, as shown in Fig. 19 on page 29.

The alarm contact is fused with a 2.5Afuse located in the terminal strip. An iso-lation relay is required if the externalmonitoring device draws more than 2.5A.

Low Voltage Connections

Line and Low Voltage wiring should beseparated to prevent possible electricalnoise on the low voltage circuits. Lineand Low Voltage wiring should use sepa-rate electrical knockouts on the PRES-TIGE cabinet and should remain sepa-rated inside the PRESTIGE.

CH call connections to the PRESTIGErequire a dry contact with no externalvoltage present. Ensure no external volt-age is present on each set of wires beforeconnecting to the PRESTIGE. If externalvoltage is present, the use of an isolationrelay is required to prevent damage to theTrimax controller.

Thermostat Wiring

The Trimax control has two thermostat call inputsfor multiple zone / temperature systems. Thisallows each call to have its own outdoor resetcurve and maximizes the efficiency of the system.

Simultaneous CH1 and CH2 calls willresult in the PRESTIGE operating at thehighest target temperature. The use of amixing device on the lower temperaturezones such as the ACV-Triangle TubeOptima Series SMV Control may berequired to protect the lower tempera-ture zones from damage.

1. Connect the room thermostat or dry contactend switch to the low voltage terminal stripon the wiring panel below the PRESTIGEcontrol module, as shown in Fig. 19 onpage 29.

2. Follow thermostat manufacturer’s instruc-tions for proper installation. Thermostatshould be located on an inside wall awayfrom any heat or cold influences such asdrafts, lights, fireplaces, etc.

3. Set the thermostat anticipator (If applica-ble) as follows:- Set for 0.2 amps when wired directly to

the PRESTIGE.- Set to match the electrical power

requirements of the connected devicewhen wired to zone relays or otherdevices. Refer to the relay manufactur-er’s specifications and the thermostatinstructions for additional informationon anticipator setting.

The use of power stealing thermostatswhich draw their power from the PRES-TIGE can lead to erratic or unpre-dictable operation.

WARNING

NOTICE

NOTICE

NOTICE

NOTICE

32

External WiringOutdoor Sensor Wiring

The Outdoor Reset function and WarmWeather Shutdown (WWSD) features requirethe connection of the included outdoor temper-ature sensor. See page 61 for outdoor sensorinstallation and setup.

Domestic Hot Water WiringAn indirect water heater sensor is prewired tothe low voltage terminal strip on the wiringpanel below the PRESTIGE control module.Additional Boiler Limits

Additional boiler limits (High Limit, LWCO,etc.) can be wired into either the Manual ResetLimit or Auto Reset Limit terminals of thePRESTIGE. These limit connections will pro-vide a “hard” lockout requiring a manual resetof the PRESTIGE or a “soft” lockout in whichthe PRESTIGE will automatically reset whenthe limit resets.

Manual Reset Limit and Auto ResetLimit connections to the PRESTIGErequire a dry contact with no externalvoltage present. Ensure no external volt-age is present on each set of wires beforeconnecting to the PRESTIGE. If exter-nal voltage is present, the use of an isola-tion relay is required to prevent damageto the Trimax controller.

1. Remove the factory installed jumper wireon the Manual Reset or Auto Reset termi-nals that will accept the additional boilerlimit.

2. Connect the additional boiler limit to thelow voltage terminal strip on the wiringpanel below the PRESTIGE control mod-ule, as shown in Fig. 19 on page 29.

External Modulation ControlThe PRESTIGE firing rate can be controlled byan external modulating boiler controller. Seepage 62 for external modulation signal wiringand setup.System Sensor Wiring

An optional system temperature sensor can beplaced on the central heating loop to control thetemperature in the central heating loop insteadof the boiler loop. When connected, the PRES-TIGE will automatically modulate to maintainthe target temperature in the central heatingloop. The boiler supply temperature sensor willcontinue to be used as a high temperature limit.

Locate the system temperature sensorwhere it can accurately measure the sup-ply temperature to the heating system.Inaccurate system temperature readingscould lead to overheating or under heat-ing resulting in property damage.

1. Connect the system temperature sensor tothe low voltage terminal strip on the wiringpanel below the PRESTIGE control mod-ule, as shown in Fig. 19 on page 29.

Cascade WiringThe Trimax control includes the ability to oper-ate up to six boilers together as one without theneed for external controllers. Consult thePRESTIGE Trimax Control Supplement formore information.Modbus WiringThe Trimax control includes the ability to com-municate with building management systems(BMS) through a Modbus interface. Consultthe PRESTIGE Trimax Control Supplementfor more information.

NOTICE

CAUTION

33

External Wiring

Div

erte

r Val

veCH

(1) P

ump

AUX

Fig. 20: Multiple Zone Field Wiring Using Zone Valves

34

External Wiring

Div

erte

r Val

veCH

(1) P

ump

AUX

Fig. 21: Multiple Zone Field Wiring using Zone Circulators

35

External Wiring

Diverter ValveCH (1) Pump

AUXSYS

Diverter ValveCH (1) Pump

AUX

ZC1 ZC2

Fig. 23: Prestige Wiring - Zoning with Zone Circulators

Fig. 24: Prestige Wiring - Zoning with Zone Valves

Note: Reference Fig. 9, page 20 forSystem Piping.

Note: Reference Fig. 10, page 20 forSystem Piping.

36

External Wiring

Diverter ValveCH (1) Pump

AUX

Diverter ValveCH (1) Pump

AUX

Fig. 25: Prestige Wiring - Multiple Zone Valve with Single System/Boiler Circulator

Fig. 26: Prestige Wiring - Single Zone System with Single System/Boiler Circulator

Note: Reference Fig. 11, page 21 forSystem Piping.

Note: Reference Fig. 12, page 21 forSystem Piping.

37

Trimax Operation

SECTION IX- Trimax OperationThe Trimax Boiler Management System is designed to be flexible yet easy to use. Trimax mon-itors and controls the Prestige to provide heat as efficiently as possible. Trimax includes manyadvanced features which previously were not available in the Prestige.• Two central/space heating (CH) call inputs with separate outdoor reset curves.• Domestic Hot Water (DHW) call input with optional priority.• EZ Setup feature allows the installer to quickly customize Trimax for each installation.• Cascade function allows up to six Prestige boilers to operate together in a single heating system.• Modbus interface for integrating with building management systems.

All Trimax features are easy to use through a graphical display where information is presentedeither graphically or in plain English, so code charts are not required. Figure 30 shows a Trimaxdisplay example of the Prestige fired for a domestic hot water demand.

Fig. 30: Trimax User Interface

38

Trimax Operation

Trimax NavigationNavigation is performed through four arrow buttons UP, DOWN, LEFT, RIGHT with a centerOK button for making selections and entering information. The INSTALLER button (the smallround button) provides the installing contractor with full access to all available features afterentering a password. Reference the Trimax Control Supplement for Installer level functions.

Figure 31 – Trimax Navigation Buttons

The Main Menu can be entered from the Home Screen by pressing the OK button. The menusystem utilizes icons to represent each selection. The currently selected menu is displayed as areversed image with a text description shown at the top of the display. Menus can be entered byhighlighting the desired icon and pressing the OK button. The Home Screen icon at the bot-tom of each screen returns to the Home Screen when selected. The Previous Screen icon atthe bottom of each screen returns to the previous screen when selected.

39

Trimax Operation

abc de f

bbb b

abc de f

bb

abc de

abc de f

bbb b

abc de f

bb

abc d

abc de f

bbb b

abc de f bb

abc de

abc de f

bbb b

abc de f bb

f bg abc d

Boiler Information

Boiler Information MenuCH/DHW Operation MenuEZ Setup Menu

Main Menu

Home Screen

Heating Enabled

Trimax Menu Structure

40

Trimax Operation

The status line displays the current operating state of the Prestige.See page 41 for a list of all Status Line Messages.

The radiator icon indicates that a central heating call has been received.A small number 1 or 2 indicateswhich CH calls are active.

Circulator icons indicate which circulators are currently powered.

The faucet icon indicates that a domestic hot water call has beenreceived.

The percentage icon indicates that an external modulation call has been received.

This line provides basic information. The user can press the LEFT or RIGHT arrow buttons to view Target, Supply, Return, Domestic, Outdoor and SystemTemperatures.

The Prestige is represented in the center of the Home Screen. Basic operating information such as supply and return temperatures are displayed as well as current burner status. A flame symbol is displayed when the unit is fired. The flame size changes to indicate the current firing rate.

1

2

Home ScreenThe Home Screen presents status information in a very user friendly way so that the currentstate of the boiler can be quickly accessed.

The screen backlight will illuminate when any button is pressed and remain illuminated for fiveminutes. Press the UP or DOWN buttons to turn on the backlight while at the Home Screenwithout making any changes.

The screen contrast can be adjusted at the Home Screen by pressing and holding the OK but-ton then pressing and holding the LEFT arrow along with the OK button. The contrast canthen be increased by pressing the UP button or decreased by pressing the DOWN button whileholding in the OK button and LEFT arrow. All buttons must be released and the procedureperformed again to switch between increasing and decreasing contrast.

41

Trimax OperationStatus Line Messages

Status Line Message Description

Standby Indicates that the Prestige is ready to respond when a demand is received.

CH Demand A central heating call has been received.

DHW Demand A domestic hot water call has been received.

DHW PriorityCentral heating and domestic hot water calls are being received simultane-ously. Domestic hot water call is being satisfied first because it has priorityover central heating calls.

Priority Timeout

Central heating and domestic hot water calls are being received simultane-ously. The domestic hot water priority time limit has been exceeded.Priority will now switch back and forth between central heating and domes-tic hot water calls until one call is satisfied.

External Demand An external modulation call has been received.

Slave Operation The Prestige is a slave in a cascade system.

Manual Operation The burner or circulators have manually been enabled in the Installer Menu.

CH Burner Delay The burner will not fire until the call blocking time has elapsed.

DHW Burner Delay The burner will not fire until the call blocking time has elapsed.

CH Setpoint Reached

The burner is not fired because the supply/system water temperatureexceeds the setpoint. The central heating circulator continues to operateand the burner will fire again once the supply/system water temperaturedrops below the setpoint.

DHW Setpoint Reached

The burner is not fired because the supply/system water temperatureexceeds the setpoint. The domestic circulator continues to oper