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SECTION 15711COMMERCIAL HVAC SYSTEMS

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Copyright 2016 - 2017 ARCAT, Inc. - All rights reserved

1 GENERAL

1.1 SECTION INCLUDES

1.1.1 Commercial HVAC systems including the following:1.1.1.1 Packaged rooftop units. (E-Series) (K-Series) (Z-Series).1.1.1.2 Split systems. (T-Series).1.1.1.3 Small splits.1.1.1.4 Unit heaters.1.1.1.5 Industrial furnaces.

1.2 RELATED SECTIONS

1.2.1 Section 15050 - Basic Mechanical Methods and Materials.

1.2.2 Section 16050 - Basic Electrical Methods and Materials: Requirements for line and low voltage wiring.

1.3 REFERENCES

1.3.1 Air-Conditioning, Heating, and Refrigeration Institute.1.3.1.1 AHRI 210/240 - Performance Rating of Unitary Air-Conditioning & Air-Source

Heat Pump Equipment.1.3.1.2 AHRI 270. - Sound Performance Rating of Outdoor Unitary Equipment.1.3.1.3 AHRI 340/360 - Performance Rating of Commercial and Industrial Unitary Air-

Conditioning and Heat Pump Equipment.1.3.1.4 AHRI 370 - Sound Rating of Large Outdoor Refrigerating and Air Conditioning

Equipment.

1.3.2 American Society of Heating, Refrigerating, and Air-Conditioning Engineers1.3.2.1 ASHRAE 62.1 - Ventilation for Acceptable Indoor Air Quality.1.3.2.2 ASHRAE 90.1 - Energy Standard for Buildings Except Low-Rise Residential

Buildings.

1.3.3 ASTM International.1.3.3.1 ASTM B117 - Standard Practice for Operating Salt Spray (Fog) Apparatus

1.3.4 Intertek: A Nationally Recognized Testing Laboratory.1.3.4.1 ETL listed

1.3.5 Underwriters Laboratory (UL):1.3.5.1 Listed products directory.

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1.3.6 Underwriters Laboratory Canada (ULC):1.3.6.1 Listed products directory.

1.3.7 United States of America Military1.3.7.1 Military Specification MIL-DTL-53084A - Primer, Cathodic Electrodeposition,

Chemical Agent Resistant.

1.4 SUBMITTALS

1.4.1 Submit under provisions of Section 01300.

1.4.2 Product Data: Manufacturer's data sheets on each product to be used, including:1.4.2.1 Preparation instructions and recommendations.1.4.2.2 Storage and handling requirements and recommendations.1.4.2.3 Installation methods.1.4.2.4 Wind and seismic certifications.

1.4.3 Shop Drawings: Include system components, utility requirements and connections, relationship with adjacent construction. Include required clearances and access for servicing.1.4.3.1 Wiring schematics and diagrams for power and control wiring.

1.4.4 Maintenance and operation information and instructions.

1.5 DEFINITIONS

1.5.1 AFUE: Annual Fuel Utilization Efficiency.

1.5.2 IEER: Integrated Energy Efficiency Ratio.

1.5.3 EER: Energy Efficiency Ratio.

1.5.4 SEER: Seasonal Energy Efficiency Ratio.

1.6 QUALITY ASSURANCE

1.6.1 Regulatory Requirements: Comply with requirements of authorities having jurisdiction and applicable codes at the location of the project.

1.6.2 Manufacturer Qualifications: Minimum 5 years' experience manufacturing similar products.

1.6.3 Installer Qualifications: Minimum 2 years' experience installing similar products.

1.7 DELIVERY, STORAGE, AND HANDLING

1.7.1 Deliver and store products in manufacturer's unopened packaging bearing the brand name and manufacturer's identification until ready for installation.

1.7.2 Comply with manufacturer's recommendations. Handle materials to avoid damage.

1.8 PROJECT CONDITIONS

1.8.1 Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.

1.9 WARRANTY

1.9.1 Provide manufacturer's standard limited warranty: ______ years.1.9.1.1 Heat exchangers: ______ years.

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1.9.1.2 Compressors: ______ years.1.9.1.3 Economizers: ______ years.

2 PRODUCTS

2.1 MANUFACTURERS

2.1.1 Acceptable Manufacturer: Allied Commercial, which is located at: 215 Metropolitan Dr.; West Columbia, SC 29170; Toll Free Tel: 800-448-5872; Email:request info (); Web:www.allied-commercial.com

2.1.2 Substitutions: Not permitted.

2.1.3 Requests for substitutions will be considered in accordance with provisions of Section 01600.

2.2 PACKAGED ROOFTOP UNITS (E-SERIES)

2.2.1 Packaged Rooftop Units: E-Series by Allied Commercial.2.2.1.1 LCH - Gas / Electric.2.2.1.2 LGH- Electric / Electric.2.2.1.3 Capacity: 3 Tons.2.2.1.4 Capacity: 4 Tons.2.2.1.5 Capacity: 5 Tons.2.2.1.6 Capacity: 6 Tons.2.2.1.7 Capacity: 7.5 Tons.2.2.1.8 Capacity: 8.5 Tons.2.2.1.9 Capacity: 10 Tons.2.2.1.10 Capacity: 12.5 Tons.2.2.1.11 Capacity: 13 Tons.2.2.1.12 Capacity: 15 Tons.2.2.1.13 Capacity: 17.5 Tons.2.2.1.14 Capacity: 20 Tons.2.2.1.15 Capacity: 25 Tons.2.2.1.16 Capacity: 30 Tons.2.2.1.17 Capacity: 35 Tons.2.2.1.18 Capacity: 40 Tons.2.2.1.19 Capacity: 45 Tons.2.2.1.20 Capacity: 50 Tons.

2.2.2 Performance requirements:2.2.2.1 Must meet or exceed ASHRAE 90.1 minimum standards.2.2.2.2 3-5 Ton units:

2.2.2.2.1 AHRI 210.2.2.2.2.2 AHRI 240.

2.2.2.3 6 Ton units:2.2.2.3.1 AHRI 340.2.2.2.3.2 AHRI 360

2.2.2.4 CSA listed.2.2.2.5 ETL listed.2.2.2.6 UL listed.2.2.2.7 ULC listed.

2.2.3 Cabinet:2.2.3.1 Exterior panels: Heavy-gauge galvanized steel with two-layer enamel paint

finish.2.2.3.2 Perimeter Base Rail: Heavy-gauge galvanized steel.

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2.2.3.2.1 Forklift slots; on three sides, not directly below condenser coil.2.2.3.3 Rigging holes on all four corners.2.2.3.4 Raised or flanged edges around duct and power entry openings.2.2.3.5 Return airflow choice: Factory shipped:

2.2.3.5.1 Down flow.2.2.3.5.2 Horizontal flow.

2.2.3.5.2.1 Convert in field; Horizontal Discharge Kit.2.2.3.5.2.2 Horizontal airflow requires Horizontal Roof Curb.2.2.3.5.2.3 Horizontal Return Air Panel Kit is also required if converting a

down flow configuration into horizontal.2.2.3.6 Electrical lines: Brought through base of unit via horizontal knockouts.2.2.3.7 Gas lines: Brought through base of unit via horizontal knockouts.2.2.3.8 Insulation: Panels adjacent to conditioned air; insulated with non-hygroscopic

fiberglass insulation.2.2.3.8.1 Unit base is fully insulated.

2.2.3.8.1.1 Serves as air seal to roof curb.2.2.3.9 Access Panels: Compressor, controls, heating areas, blower, air filter, and

economizer.2.2.3.9.1 Hinged Access Panels, factory installed: Sealed with quarter-turn latching

handles; tight air and water seal.2.2.3.10 Condensate Drain Pan: Corrosion resistant double sloped.

2.2.3.10.1 Stainless steel drain pan.2.2.3.11 Service Valves.

2.2.4 Cooling System: Capable of operating from 0 to 125 degrees F (-18 to 52 degrees C) without installation of additional controls.2.2.4.1 Compressors: Scroll Type, R-410A refrigerant.

2.2.4.1.1 Overload protected.2.2.4.1.2 Internal excessive current and temperature protection.2.2.4.1.3 Isolated from condenser and evaporator fan air streams.2.2.4.1.4 Vibration isolation: Mounted on elastomeric grommets.

2.2.4.2 Thermal Expansion Valve.2.2.4.3 High capacity filter/driers.2.2.4.4 High pressure switches.2.2.4.5 Low pressure switches.2.2.4.6 Freezestats.2.2.4.7 Crankcase heaters.

2.2.5 Coil Construction: Condensing and evaporator coils.2.2.5.1 Copper tube, rippled and lanced aluminum fins mechanically bonded to copper

tubes, and factory leak tested.2.2.5.2 Evaporator Coils: Balanced port thermal expansion valves.

2.2.5.2.1 Compressor circuits on coil: Divided across face of coil and active through coil depth. Freeze protection; pressure and leak tested: 500 psi (3447 kPa).

2.2.5.2.2 Compressor circuits on coil: Divided by rows that are active across the entire surface area of the supply air.

2.2.5.2.3 Flexible immersed coating electrodeposited by dry film process:2.2.5.2.3.1 ASTM B117.2.2.5.2.3.2 ASTM 1153.2.2.5.2.3.3 MIL-P-53084.

2.2.5.3 Condenser Coils:2.2.5.3.1 Eco-last condensing coil: Aluminum lanced fins thermally bonded to

aluminum flat tubes and factory leak tested.2.2.5.3.2 Flexible immersed coating electrodeposited by dry film process:

2.2.5.3.2.1 ASTM B117.

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2.2.5.3.2.2 ASTM 1153.2.2.5.3.2.3 MIL-P-53084.

2.2.6 Gas Heating System: Induced draft.2.2.6.1 Fuel type: Natural gas.2.2.6.2 Ignition: Direct spark pilot.2.2.6.3 Electronic sensors: Flame.2.2.6.4 Switches: Flame rollout, high heat limit, and safety.

2.2.6.4.1 Induced draft failure: Operating to altitude of 2000 feet (610m) with no derate to manifold pressure.

2.2.6.5 Controls: Fan and limit.2.2.6.6 Service access: Controls, burners and heat exchanger.2.2.6.7 Heat Exchanger: Tubular.

2.2.6.7.1 Aluminized steel.2.2.6.7.2 Stainless steel.

2.2.6.8 Gas piping system tight and free of leaks when pressurized to maximum supply pressure.

2.2.6.9 Gas Valve: Two-stage, redundant type gas heat valve with manual shutoff.2.2.6.10 Gas Valve: Single stage gas heating.2.2.6.11 Gas Burners: Inshot, aluminized steel.2.2.6.12 Gas piping system: Leak free when pressurized to maximum supply pressure.2.2.6.13 Low NOx.2.2.6.14 Field Installed Accessories:

2.2.6.14.1 Combustion Air Intake Extensions.2.2.6.14.2 Vertical Vent Extension Kit.2.2.6.14.3 LPG/Propane Kit.2.2.6.14.4 Low Temperature Vestibule Heater.

2.2.7 Electric Heating System: Electrical resistance heater.2.2.7.1 Reset thermal limit protection.2.2.7.2 Single point power supply.2.2.7.3 Heater Element: Nickel chromium wire.

2.2.7.3.1 Individually fused.2.2.7.4 Electric heater slides out of unit for service.2.2.7.5 Heating Controls:

2.2.7.5.1 Support 2 stages of heating control from thermostat or DDC.2.2.7.5.2 Delay time of 30 seconds between low and high heat stages.

2.2.8 Supply Air Fan (Blower): Double inlet type, galvanized steel with forward curved blades.2.2.8.1 Statically and dynamically balanced.2.2.8.2 Continuous or automatic control for occupied periods.2.2.8.3 Motor and Drives:

2.2.8.3.1 Thermal overload protected motors with automatic reset.2.2.8.3.2 Direct drive ECM.

2.2.8.3.2.1 Single Zone Variable Air Volume (VAV): Factory w/ VFD and phase protection.

2.2.8.3.2.2 Variable Air Volume (VAV): Factory w/VFD.2.2.8.3.3 Belt drive:

2.2.8.3.3.1 Permanently lubricated ball bearings (for belt drive motors).2.2.8.3.3.2 Adjustable sheaves on belt drive motors for blower speed

adjustment.2.2.8.3.3.3 Optional low and high static motor/drive combinations and optional

drive kits.2.2.8.3.3.4 Auto Blower Belt Tensioner: Factory.

2.2.9 Supply Air Filters: Disposable 2 inch furnished as standard.

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2.2.9.1 High Efficiency Air Filters2.2.9.1.1 2" MERV 13 Filters.

2.2.9.1.1.1 Field installed.2.2.9.1.2 2" MERV 8 Filters.

2.2.9.1.2.1 Field installed.

2.2.10 Condenser Fans: Corrosion resistant propeller type.2.2.10.1 Condenser Fan Motor: Direct drive with permanently lubricated ball bearings.

2.2.10.1.1 Watertight with thermal overload protection and automatic reset.2.2.10.1.2 Motor mount isolated from fan safety guard.2.2.10.1.3 ECM motors.2.2.10.1.4 PSC motors.2.2.10.1.5 Standard efficiency.

2.2.11 Controls:2.2.11.1 Unit Controller: Solid state control board to operate unit.2.2.11.2 Scrolling digital display.2.2.11.3 Push button navigation.2.2.11.4 Guided menu setup.2.2.11.5 Provide 5 degrees F temperature difference between cooling and heating set

points meeting ASHRAE 90.1 Energy Standard.2.2.11.6 Display alarms, alarm history and system status.2.2.11.7 Component and cooling/heating mode run test capability.2.2.11.8 Accept CO2 sensor inputs.2.2.11.9 Economizer control.2.2.11.10 Blower on/off delay.2.2.11.11 2-stage heat/4-stage cool compatible.2.2.11.12 Warm-up mode.2.2.11.13 DDC compatible.2.2.11.14 Indoor air quality input.2.2.11.15 Low ambient control down to 0 degrees F.2.2.11.16 Component runtime and cycle count data collection.2.2.11.17 Blower proving switch strike 3.2.2.11.18 Phase/voltage monitoring/protection.2.2.11.19 Real time clock (timestamps).2.2.11.20 USB interface with profiles and firmware upgrade capability.2.2.11.21 Controls Options:

2.2.11.21.1 SCR Electric heat control.2.2.11.21.2 CO2 Sensor: Field installed.2.2.11.21.3 Dirty Filter Switch:

2.2.11.21.3.1 Field installed.2.2.11.21.4 Blower Proving Switch:

2.2.11.21.4.1 Field installed.2.2.11.21.5 Phase/Voltage Monitoring Protection.2.2.11.21.6 BACnet:

2.2.11.21.6.1 Field installed.2.2.11.21.7 LonTalk:

2.2.11.21.7.1 Field installed.2.2.11.21.8 Novar ETM-2051:

2.2.11.21.8.1 Field installed.2.2.11.21.9 Novar LSE.2.2.11.21.10 CPC Direct Interface.2.2.11.21.11 Fresh Air Tempering Sensor:

2.2.11.21.11.1 Field installed.2.2.11.21.12 Smoke detector supply:

2.2.11.21.12.1 Field installed.

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2.2.11.21.13 Smoke detector return.2.2.11.21.13.1 Field installed.

2.2.12 Serviceability:2.2.12.1 Wiring: Keyed and labeled field connections, color coded and continuously

marked wire to identify point-to-point component connections.2.2.12.1.1 Not in contact with hot-gas refrigerant lines or sharp metal edges.

2.2.13 Accessories:2.2.13.1 Economizer:

2.2.13.1.1 Down flow.2.2.13.1.2 Horizontal.2.2.13.1.3 Hoods provided:

2.2.13.1.3.1 Field installed.2.2.13.1.4 Control:

2.2.13.1.4.1 Single Sensible:2.2.13.1.4.1.1 Field installed.

2.2.13.1.4.2 Differential Dual Sensible:2.2.13.1.4.2.1 Field installed.

2.2.13.1.4.3 Global (field provided sensor): Factory installed.2.2.13.1.4.4 Single Enthalpy:

2.2.13.1.4.4.1 Field installed.2.2.13.1.4.5 Differential Dual Enthalpy:

2.2.13.1.4.5.1 Field installed.2.2.13.2 High Performance Economizer:

2.2.13.2.1 Dampers: Gear driven.2.2.13.2.1.1 Plug-in connections to unit.2.2.13.2.1.2 Nylon bearings.2.2.13.2.1.3 Enhanced neoprene blade edge seals.2.2.13.2.1.4 Flexible stainless steel jam seals.2.2.13.2.1.5 High torque, 24 V fully modulating spring return motor.2.2.13.2.1.6 Minimum damper position: Adjustable.2.2.13.2.1.7 Damper linkage and shafts: Plated.

2.2.13.2.2 Control module:2.2.13.2.2.1 Inputs and outputs based on parameter settings.2.2.13.2.2.2 Automatic sensor detection.2.2.13.2.2.3 Alarm message display.2.2.13.2.2.4 Non-volatile memory: Maintains setting during power failure.2.2.13.2.2.5 Keypad: Setting parameters.

2.2.13.3 Outdoor Air Damper: Motorized.2.2.13.3.1 Field installed.

2.2.13.4 Outdoor Air Damper: Manual; Hood provided.2.2.13.4.1 Field installed.

2.2.13.5 Dehumidification system with secondary coil: Factory installed.2.2.13.6 Power exhaust fan:

2.2.13.6.1 Field installed.2.2.13.7 Roof curb: Field installed.2.2.13.8 Barometric relief damper.

2.2.13.8.1 Down flow; hoods provided, field installed.2.2.13.8.2 Horizontal; hoods provided, field installed.

2.2.13.9 Energy Recovery System: Field installed.2.2.13.10 Ceiling Diffuser: Field installed.

2.2.13.10.1 Flush.2.2.13.10.2 Step down.

2.2.13.11 Transition: Field installed.2.2.13.11.1 Supply.

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2.2.13.11.2 Return.2.2.13.12 UVC lamps:

2.2.13.12.1 Field installed.2.2.13.13 Coil Guards: Field installed.2.2.13.14 Hail Guards: Field installed.2.2.13.15 Disconnect Switch:

2.2.13.15.1 Field installed.2.2.13.16 Condensate drain trap.

2.2.13.16.1 Plastic:2.2.13.16.1.1 Field installed.

2.2.13.16.2 Copper:2.2.13.16.2.1 Field installed.

2.2.13.17 GFCI Service Outlets (field wired):2.2.13.17.1 Field installed.

2.2.13.18 GFCI Service Outlets; unit powered: Factory installed.2.2.13.19 HACR Circuit breaker: Factory installed.2.2.13.20 UVC Germicidal lamps.

2.3 PACKAGED ROOFTOP UNITS (E-SERIES, High Efficiency)

2.3.1 Packaged Rooftop Units: E-Series by Allied Commercial.2.3.1.1 LCH -Electric / Electric.2.3.1.2 LGH- Gas / Electric.2.3.1.3 Capacity: 3 Tons.2.3.1.4 Capacity: 4 Tons.2.3.1.5 Capacity: 5 Tons.2.3.1.6 Capacity: 6 Tons.2.3.1.7 Capacity: 7.5 Tons.2.3.1.8 Capacity: 8.5 Tons.2.3.1.9 Capacity: 10 Tons.2.3.1.10 Capacity: 12.5 Tons.2.3.1.11 Capacity: 13 Tons.2.3.1.12 Capacity: 15 Tons.2.3.1.13 Capacity: 17.5 Tons.2.3.1.14 Capacity: 20 Tons.2.3.1.15 Capacity: 25 Tons.2.3.1.16 Capacity: 30 Tons.

2.3.2 Cabinet:2.3.2.1 Exterior panels: Heavy-gauge galvanized steel with two layer enamel paint

finish.2.3.2.2 Perimeter Base Rail: Heavy-gauge galvanized steel.

2.3.2.2.1 Forklift slots; on three sides, not directly below condenser coil.2.3.2.3 Rigging holes on all four corners.2.3.2.4 Raised or flanged edges around duct and power entry openings.2.3.2.5 Return airflow choice: Factory shipped:




fiberglass insulation.

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2.3.2.8.1 Unit base is fully insulated.2.3.2.8.1.1 Serves as air seal to roof curb.

2.3.2.9 Access Panels: Compressor, controls, heating areas, blower, air filter, and economizer.

2.3.2.9.1 Hinged Access Panels, factory installed: Sealed with quarter-turn latching handles; tight air and water seal.

2.3.2.10 Condensate Drain Pan: Corrosion resistant double sloped.2.3.2.10.1 Stainless steel drain pan.

2.3.2.11 Service Valves.


2.3.3.1.1 Overload protected.2.3.3.1.2 Internal excessive current and temperature protection.2.3.3.1.3 Isolated from condenser and evaporator fan air streams.2.3.3.1.4 Vibration isolation: Mounted on rubber mounts.

2.3.3.2 Thermal Expansion Valve.2.3.3.3 High capacity filter/driers.2.3.3.4 High pressure switches.2.3.3.5 Low pressure switches.2.3.3.6 Freezestats.2.3.3.7 Crankcase heaters.

2.3.4 Coil Construction: Condensing and evaporator coils.2.3.4.1 Copper tube, rippled and lanced aluminum fins mechanically bonded to copper

tubes, and factory leak tested.2.3.4.2 Aluminum tube, rippled and lanced aluminum fins mechanically bonded to

aluminum flat tubes, and factory leak tested.2.3.4.3 Evaporator Coils: Balanced port thermal expansion valves.


2.3.4.3.2 Compressor circuits on coil: Divided by rows that are active across the entire surface area of the supply air.


2.3.4.4 Condenser Coils:2.3.4.4.1 Eco-last condensing coil: Aluminum lanced fins thermally bonded to

aluminum flat tubes and factory leak tested.2.3.4.4.2 Flexible immersed coating electrodeposited by dry film process:

2.3.4.4.2.1 ASTM B117.2.3.4.4.2.2 ASTM 1153.2.3.4.4.2.3 MIL-P-53084.

2.3.5 Gas Heating System: Induced draft.2.3.5.1 Fuel type: Natural gas.2.3.5.2 Ignition: Direct spark pilot.2.3.5.3 Electronic sensors: Flame.2.3.5.4 Switches: Flame rollout, high heat limit, and safety.


2.3.5.5 Controls: Fan and limit.2.3.5.6 Service access: Controls, burners and heat exchanger.

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2.3.5.7 Heat Exchanger: Tubular.2.3.5.7.1 Aluminized steel.2.3.5.7.2 Stainless steel.


2.3.5.9 Gas Valve: Redundant type gas heat valve with manual shutoff.2.3.5.10 Gas Valve: Single stage gas heating.2.3.5.11 Gas Valve: Two stage gas heating.2.3.5.12 Gas Burners: Inshot, aluminized steel.2.3.5.13 Low NOx.2.3.5.14 Field Installed Accessories:


2.3.6 Electric Heating System: Electrical resistance heater.2.3.6.1 Reset thermal limit protection.2.3.6.2 Single point power supply.2.3.6.3 Heater Element: Nickel chromium wire.


2.3.6.5.1 Support 2 stages of heating control from thermostat or DDC.2.3.6.5.2 Delay time of 30 seconds between low and high heat stages.

2.3.7 Supply Air Fan (Blower): Double inlet type, galvanized steel with forward curved blades.2.3.7.1 Statically and dynamically balanced.2.3.7.2 Continuous or automatic control for occupied periods.2.3.7.3 Motor and Drives:

2.3.7.3.1 Thermal overload protected motors with automatic reset.2.3.7.3.2 Direct drive ECM.

2.3.7.3.2.1 Single Zone Variable Air Volume (VAV): Factory w/ VFD and phase protection.

2.3.7.3.2.2 Variable Air Volume (VAV): Factory w/VFD.2.3.7.3.3 Belt drive:

2.3.7.3.3.1 Permanently lubricated ball bearings.2.3.7.3.3.2 Adjustable sheaves for blower speed adjustment.2.3.7.3.3.3 Optional low and high static motor/drive combinations and optional

drive kits.2.3.7.3.3.4 Auto Blower Belt Tensioner: Factory.

2.3.8 Supply Air Filters: Disposable 2 inch furnished as standard.2.3.8.1 High Efficiency Air Filters

2.3.8.1.1 2" MERV 13 Filters.2.3.8.1.1.1 Field installed.2.3.8.1.1.2 Factory installed.

2.3.8.1.2 2" MERV 8 Filters.2.3.8.1.2.1 Field installed.2.3.8.1.2.2 Factory installed.

2.3.9 Condenser Fans: Corrosion resistant propeller type.2.3.9.1 Condenser Fan Motor: Direct drive with permanently lubricated ball bearings.

2.3.9.1.1 Watertight with thermal overload protection and automatic reset.2.3.9.1.2 Motor mount isolated from fan safety guard.2.3.9.1.3 ECM motors.

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2.3.9.1.4 PSC motors.2.3.9.1.5 Standard efficiency.

2.3.10 Controls:2.3.10.1 Unit Controller: Solid state control board to operate unit.2.3.10.2 Scrolling digital display.2.3.10.3 Push button navigation.2.3.10.4 Guided menu setup.2.3.10.5 Provide 5 degrees F temperature difference between cooling and heating set

points meeting ASHRAE 90.1 Energy Standard.2.3.10.6 Display alarms, alarm history and system status.2.3.10.7 Component and cooling/heating mode run test capability.2.3.10.8 Accept CO2 sensor inputs.2.3.10.9 Economizer control.2.3.10.10 Blower on/off delay.2.3.10.11 2-stage heat/4-stage cool compatible.2.3.10.12 Warm-up mode.2.3.10.13 DDC compatible.2.3.10.14 Indoor air quality input.2.3.10.15 Low ambient control down to 0 degrees F.2.3.10.16 Component runtime and cycle count data collection.2.3.10.17 Blower proving switch strike 3.2.3.10.18 Phase/voltage monitoring/protection.2.3.10.19 Real time clock (timestamps).2.3.10.20 USB interface with profiles and firmware upgrade capability.2.3.10.21 Economizer Fault Detection and Diagnostics:

2.3.10.21.1 CO2 sensor error.2.3.10.21.2 Outside air temperature sensor error.2.3.10.21.3 Discharge air sensor error.2.3.10.21.4 Actuator over voltage error.2.3.10.21.5 Actuator under voltage error.

2.3.10.22 Controls Options:2.3.10.22.1 CO2 Sensor: Field installed.2.3.10.22.2 Dirty Filter Switch:

2.3.10.22.2.1 Field installed.2.3.10.22.3 Blower Proving Switch:

2.3.10.22.3.1 Field installed.2.3.10.22.4 Phase/Voltage Monitoring Protection.2.3.10.22.5 BACnet:

2.3.10.22.5.1 Field installed.2.3.10.22.6 LonTalk:

2.3.10.22.6.1 Field installed.2.3.10.22.7 Novar ETM-2051:

2.3.10.22.7.1 Field installed.2.3.10.22.8 Novar LSE.2.3.10.22.9 CPC Direct Interface.2.3.10.22.10 Fresh Air Tempering Sensor:

2.3.10.22.10.1 Field installed.2.3.10.22.11 Smoke detector supply:

2.3.10.22.11.1 Field installed.2.3.10.22.12 Smoke detector return.

2.3.10.22.12.1 Field installed.2.3.10.22.13 Supply air control.

2.3.10.22.13.1 5 adjustable airflow settings.2.3.10.22.13.2 Auto-calibration.2.3.10.22.13.3 Supply airflow CFM & motor RPM/torque monitoring.

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2.3.10.22.13.4 Low supply CFM & no airflow diagnostics.2.3.10.22.13.5 Customizable alarms.

2.3.10.22.14 Ventilation air control.2.3.10.22.14.1 Ventilation CFM.2.3.10.22.14.2 Auto-calibration.2.3.10.22.14.3 Dynamic damper control.2.3.10.22.14.4 Ventilation airflow CFM and percent outside air

monitoring.2.3.10.22.14.5 Low/High ventilation CFM percent free cooling fault

diagnostics.2.3.10.22.14.6 Customizable alarms.





2.3.12.1.3.1 Field installed.2.3.12.1.4 Outside air damper maximum leakage rate: 4 CFM/sq.ft. at 1 inch w.g.2.3.12.1.5 Return air maximum leakage rate: 4 CFM/sq.ft. at 1 inch w.g.2.3.12.1.6 Damper reliability: 60,000 cycles minimum.2.3.12.1.7 Control:

2.3.12.1.7.1 Single Sensible: Field installed.2.3.12.1.7.2 Differential Dual Sensible:

2.3.12.1.7.2.1 Field installed.2.3.12.1.7.3 Differential Sensible:

2.3.12.1.7.3.1 Field installed.2.3.12.1.7.4 Global (field provided sensor).2.3.12.1.7.5 Single Enthalpy:


2.3.12.1.7.6.1 Field installed.2.3.12.1.8 High Performance Economizer.

2.3.12.2 Outdoor Air Damper: Motorized.2.3.12.2.1 Field installed.

2.3.12.3 Outdoor Air Damper: Manual; Hood provided.2.3.12.3.1 Field installed.

2.3.12.4 Dehumidification system with secondary coil: Factory installed.2.3.12.5 Power exhaust fan:

2.3.12.5.1 Field installed.2.3.12.6 Roof curb: Field installed.2.3.12.7 Barometric relief damper.

2.3.12.7.1 Down flow; hoods provided, field installed.2.3.12.7.2 Horizontal; hoods provided, field installed.

2.3.12.8 Energy Recovery System: Field installed.2.3.12.9 Ceiling Diffuser: Field installed.

2.3.12.9.1 Flush.2.3.12.9.2 Step down.

2.3.12.10 Transition: Field installed.2.3.12.10.1 Supply.2.3.12.10.2 Return.

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2.3.12.11 UVC lamps:2.3.12.11.1 Field installed.

2.3.12.12 Coil Guards: Field installed.2.3.12.13 Hail Guards: Field installed.2.3.12.14 Disconnect Switch:

2.3.12.14.1 Field installed.2.3.12.15 Condensate drain trap.



2.3.12.16 GFCI Service Outlets (field wired):2.3.12.16.1 Field installed.

2.3.12.17 GFCI Service Outlets; unit powered: Factory installed.2.3.12.18 HACR Circuit breaker: Factory installed.

2.4 PACKAGED ROOFTOP UNITS (K-SERIES)

2.4.1 Packaged Rooftop Units: K-Series by Allied Commercial:2.4.1.1 KCA / KCB - Electric / Electric.

2.4.1.1.1 Capacity: 2 Ton.2.4.1.1.2 Capacity: 2.5 Ton.2.4.1.1.3 Capacity: 3 Ton.2.4.1.1.4 Capacity: 4 Ton.2.4.1.1.5 Capacity: 5 Ton.2.4.1.1.6 Capacity: 6 Ton.2.4.1.1.7 Capacity: 7.5 Ton.2.4.1.1.8 Capacity: 8.5 Ton.2.4.1.1.9 Capacity: 10 Ton.2.4.1.1.10 Capacity: 12.5 Ton.2.4.1.1.11 Capacity: 15 Ton.2.4.1.1.12 Capacity: 17.5 Ton.2.4.1.1.13 Capacity: 20 Ton.2.4.1.1.14 Capacity: 25 Ton.

2.4.1.2 KGA / KGB - Gas / Electric.2.4.1.2.1 Capacity: 2 Ton.2.4.1.2.2 Capacity: 2.5 Ton.2.4.1.2.3 Capacity: 3 Ton.2.4.1.2.4 Capacity: 4 Ton.2.4.1.2.5 Capacity: 5 Ton.2.4.1.2.6 Capacity: 6 Ton.2.4.1.2.7 Capacity: 7.5 Ton.2.4.1.2.8 Capacity: 8.5 Ton.2.4.1.2.9 Capacity: 10 Ton.2.4.1.2.10 Capacity: 12.5 Ton.2.4.1.2.11 Capacity: 15 Ton.2.4.1.2.12 Capacity: 17.5 Ton.2.4.1.2.13 Capacity: 20 Ton.2.4.1.2.14 Capacity: 25 Ton.

2.4.1.3 KHA / KHB - Heat Pump.2.4.1.3.1 Capacity: 2 Ton.2.4.1.3.2 Capacity: 2.5 Ton.2.4.1.3.3 Capacity: 3 Ton.2.4.1.3.4 Capacity: 4 Ton.2.4.1.3.5 Capacity: 5 Ton.2.4.1.3.6 Capacity: 6 Ton.

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2.4.1.3.7 Capacity: 7.5 Ton.2.4.1.3.8 Capacity: 8.5 Ton.2.4.1.3.9 Capacity: 10 Ton.2.4.1.3.10 Capacity: 12.5 Ton.2.4.1.3.11 Capacity: 15 Ton.2.4.1.3.12 Capacity: 20 Ton.

2.4.1.4 KCA - High Efficiency.2.4.1.4.1 Capacity: 6 Ton.2.4.1.4.2 Capacity: 7.5 Ton.2.4.1.4.3 Capacity: 8.5 Ton.2.4.1.4.4 Capacity: 10 Ton.2.4.1.4.5 Capacity: 13 Ton.2.4.1.4.6 Capacity: 15 Ton.2.4.1.4.7 Capacity: 17.5 Ton.2.4.1.4.8 Capacity: 20 Ton.2.4.1.4.9 Capacity: 25 Ton.

2.4.1.5 KGA - High Efficiency.2.4.1.5.1 Capacity: 6 Ton.2.4.1.5.2 Capacity: 7.5 Ton.2.4.1.5.3 Capacity: 8.5 Ton.2.4.1.5.4 Capacity: 10 Ton.2.4.1.5.5 Capacity: 13 Ton.2.4.1.5.6 Capacity: 15 Ton.2.4.1.5.7 Capacity: 17.5 Ton.2.4.1.5.8 Capacity: 20 Ton.2.4.1.5.9 Capacity: 25 Ton.

2.4.1.6 KH/DB - High Efficiency.2.4.1.6.1 Capacity: 2 Ton.2.4.1.6.2 Capacity: 3 Ton.2.4.1.6.3 Capacity: 4 Ton.2.4.1.6.4 Capacity: 5 Ton.2.4.1.6.5 Capacity: 7.5 Ton.2.4.1.6.6 Capacity: 8.5 Ton.2.4.1.6.7 Capacity: 10 Ton.

2.4.2 Performance requirements:2.4.2.1 Must meet or exceed ASHRAE 90.1 minimum standards.2.4.2.2 3-5 Ton units:

2.4.2.2.1 AHRI 210.2.4.2.2.2 AHRI 240.


2.4.2.4 CSA listed.2.4.2.5 ETL listed2.4.2.6 UL listed.2.4.2.7 ULC listed.

2.4.3 Cabinet:2.4.3.1 Exterior panels: Heavy-gauge galvanized steel with two-layer enamel paint finish2.4.3.2 Perimeter Base Rail: Heavy gauge galvanized steel.

2.4.3.2.1 Forklift slots; on three sides, not directly below condenser coil.2.4.3.3 Rigging holes on all four corners2.4.3.4 Raised or flanged edges around duct and power entry openings.2.4.3.5 Return airflow choice: Factory shipped:

2.4.3.5.1 2 to 12.5 Ton units:

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fiberglass insulation.2.4.3.8.1 Unit base is fully insulated.

2.4.3.8.1.1 Serves as air seal to roof curb.2.4.3.9 Access Panels: Compressor, controls, heating areas, blower, air filter, and

economizer.2.4.3.9.1 Hinged Access Panels - Factory installed: sealed with quarter-turn latching

handles and tight air and water seal.2.4.3.10 Corrosion Protection:

2.4.3.10.1 MIL-P-53084.2.4.3.10.2 ASTM B117.2.4.3.10.3 ASTM 1153.2.4.3.10.4 MIL-P-53084.

2.4.3.11 GFI Service Outlets (field wired).2.4.3.12 Disconnect Switch.

2.4.3.12.1 Up to 80 amps.2.4.3.12.2 Up to 150 amps.

2.4.3.13 Hail Guards - Field installed.2.4.3.14 Coil Guards - Field installed.2.4.3.15 Horizontal Discharge Kit.2.4.3.16 Return Air Adaptor Plate.2.4.3.17 Horizontal Return Air Panel Kit.


2.4.4.1.1 Overload Protected.2.4.4.1.2 Internal excessive current and temperature protection.2.4.4.1.3 Isolated from condenser and evaporator fan air streams.2.4.4.1.4 Vibration isolation: Mounted on elastomeric grommets.

2.4.4.2 Thermal Expansion Valve.2.4.4.3 High capacity filter/driers.2.4.4.4 High pressure switches.2.4.4.5 Freezestats.2.4.4.6 Reversing Valves: Four-way interchange reversing valve.2.4.4.7 Defrost Control.2.4.4.8 Crankcase heaters.

2.4.5 Coil Construction: Condensing and evaporator coils, silver soldered.2.4.5.1 Copper tube, rippled-edge aluminum fins, flared shoulder tubing connections,

and factory leak tested.2.4.5.2 Evaporator Coils: Balanced port thermal expansion valves,


2.4.5.2.2 Flexible immersed coating electrodeposited by dry film process:2.4.5.2.2.1 ASTM B117.2.4.5.2.2.2 ASTM 1153.

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2.4.5.2.2.3 MIL-P-53084.2.4.5.3 Condenser Coils:

2.4.5.3.1.1 K-Series 7.5 to 12.5-ton: Single formed coil.2.4.5.3.1.2 K-Series 2 to 7.5-ton: Two independent coils.2.4.5.3.1.3 K-Series 13 to 25-ton: Angled, slab design.

2.4.5.4 Condensate Drain Pan: Plastic, sloped meeting ASHRAE 62.1.2.4.5.4.1 Side or bottom drain connections.2.4.5.4.2 Reversible to allow connection at back of unit.

2.4.5.5 Outdoor coil fan motors: Shaft up, wire basket guard; thermal overload protected.

2.4.5.5.1 Permanently lubricated Ball bearings.2.4.5.5.2 Permanently lubricated sleeve bearings.

2.4.5.6 Outdoor coil fans: PVC coated, furnished fan guard.2.4.5.7 Condensate Drain Trap: available in copper or PVC.2.4.5.8 Drain Pan Overflow Switch.2.4.5.9 Low Ambient Kit.

2.4.6 Gas Heating System: Induced draft.2.4.6.1 Fuel type: Natural gas.2.4.6.2 Ignition: Direct spark pilot.2.4.6.3 Electronic sensors: Flame.2.4.6.4 Switches: Flame rollout, High heat limit, and safety.



2.4.6.7.1 Aluminized steel.2.4.6.7.2 Stainless steel.


2.4.6.9 Gas Valve: Two-stage, redundant type gas heat valve with manual shutoff.2.4.6.10 Gas Valve: Single-stage.2.4.6.11 Gas Burners: Inshot, aluminized steel.2.4.6.12 Low NOx.2.4.6.13 Field Installed Accessories:


2.4.7 Electric Heating System: Electrical resistance heater.2.4.7.1 Field installed.2.4.7.2 Fuse Block.

2.4.7.2.1 Field Installed.2.4.7.3 Reset thermal limit protection.2.4.7.4 Single point power supply2.4.7.5 Heater Element: Nickel chromium wire.


2.4.7.7.1 Support 2 stages of heating control from thermostat or DDC.2.4.7.7.2 With delay time of 30 seconds between low and high heat stages.

2.4.8 Supply Air Fan (Blower): Galvanized steel with forward curved blades.2.4.8.1 Constant Air Volume(CAV).

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2.4.8.2 VAV (Single Zone Variable Air Volume).2.4.8.3 Wheel: Balanced, statically and dynamically.2.4.8.4 Bearings: Ball bearings2.4.8.5 Adjustable pulley for speed change.2.4.8.6 Blower assembly slides out of unit for servicing.2.4.8.7 Motor: Overload protected.

2.4.8.7.1 Direct drive: Sleeve bearings.2.4.8.7.2 Belt drive: Ball bearings.

2.4.9 Supply Air Filters: Disposable 2 inch furnished as standard. Field installed.2.4.9.1 2" MERV 13 Filters.2.4.9.2 2" MERV 8 Filters.

2.4.10 Controls:2.4.10.1 Unit Control: 24V transformer (secondary) with built in circuit breaker protection.2.4.10.2 Heat/Cool Staging: 2 heat/2 cool staging with third party DDC controls or

thermostat.2.4.10.3 Low voltage terminal block.2.4.10.4 Night setback mode.2.4.10.5 Controls Options:

2.4.10.5.1 Smoke detector supply:2.4.10.5.1.1 Field installed.

2.4.10.5.2 Smoke detector return:2.4.10.5.2.1 Field installed.



2.4.11.2 Electrical Plugs.2.4.11.3 Access Panels.2.4.11.4 Blower Access.2.4.11.5 Technical Expansion Valve Access.2.4.11.6 Coil Cleaning.2.4.11.7 Standard Components.2.4.11.8 Compressor Compartment


2.4.12.1.1 Down flow.2.4.12.1.2 Horizontal:2.4.12.1.3 Hoods provided:

2.4.12.1.3.1 Field installed.2.4.12.1.4 Control:

2.4.12.1.4.1 Global (field provided sensor): Factory.2.4.12.1.4.2 Single Enthalpy:


2.4.12.1.4.3.1 Field installed.2.4.12.2 High Performance Economizer:

2.4.12.2.1 Dampers: Gear driven.2.4.12.2.1.1 Plug-in connections to unit.2.4.12.2.1.2 Nylon bearings.2.4.12.2.1.3 Enhanced neoprene blade edge seals.2.4.12.2.1.4 Flexible stainless steel jam seals.2.4.12.2.1.5 High torque, 24 V fully modulating spring return motor.

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2.4.12.2.1.6 Minimum damper position: Adjustable.2.4.12.2.1.7 Damper linkage and shafts: Plated

2.4.12.2.2 Control module:2.4.12.2.2.1 Inputs and outputs based on parameter settings.2.4.12.2.2.2 Automatic sensor detection.2.4.12.2.2.3 Alarm message display.2.4.12.2.2.4 Non-volatile memory: Maintains setting during power failure.2.4.12.2.2.5 Keypad: Setting parameters.

2.4.12.3 Outdoor Air Damper: Hood provided.2.4.12.3.1 Down flow"

2.4.12.3.1.1 Field installed.2.4.12.3.2 Horizontal:

2.4.12.3.2.1 Field installed.2.4.12.4 Power exhaust fan:

2.4.12.4.1 Field installed.2.4.12.5 Roof curb:

2.4.12.5.1 Down flow:2.4.12.5.1.1 Field installed.

2.4.12.5.2 Horizontal:2.4.12.5.2.1 Field installed.

2.4.12.6 Barometric relief damper: Hoods provided.2.4.12.6.1 Down flow:

2.4.12.6.1.1 Field installed.2.4.12.6.2 Horizontal:

2.4.12.6.2.1 Field installed.2.4.12.7 Energy Recovery System: Field installed.2.4.12.8 Ceiling Diffuser: Field installed.

2.4.12.8.1 Flush.2.4.12.8.2 Step down.

2.4.12.9 Transition: Field installed.2.4.12.9.1 Supply.2.4.12.9.2 Return.

2.4.12.10 UVC lamps:2.4.12.10.1 Field installed.

2.4.12.11 UVC Germicidal lamps:2.4.12.12 Indoor Air Quality (CO2) Sensors.2.4.12.13 Coil Guards:

2.4.12.13.1 Field installed.2.4.12.14 Hail Guards:

2.4.12.14.1 Field installed.2.4.12.15 Disconnect Switch:

2.4.12.15.1 Field installed.2.4.12.16 Condensate drain trap"



2.4.12.17 GFCI Service Outlets (field wired)2.4.12.17.1 Field installed

2.4.12.18 VFD Manual Bypass Kit: available on units equipped with VAV option.

2.5 PACKAGED ROOFTOP UNITS (Z-SERIES)

2.5.1 Packaged Rooftop Units: Z-Series by Allied Commercial.2.5.1.1 ZGA / ZGB - Gas / Electric.2.5.1.2 ZCA / ZCB - Electric / Electric.

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2.5.1.3 ZHA / ZHB - Heat Pump.2.5.1.4 Capacity: 3 Ton.2.5.1.5 Capacity: 4 Ton.2.5.1.6 Capacity: 5 Ton.2.5.1.7 Capacity: 6 Ton.2.5.1.8 Capacity: 7.5 Ton.2.5.1.9 Capacity: 8.5 Ton.2.5.1.10 Capacity: 10 Ton.2.5.1.11 Capacity: 12.5 Ton.

2.5.2 Performance requirements:2.5.2.1 Must meet or exceed ASHRAE 90.1-2010 minimum standards.2.5.2.2 3-5 Ton units:

2.5.2.2.1 AHRI 210.2.5.2.2.2 AHRI 240.


2.5.2.4 CSA listed.2.5.2.5 UL listed.2.5.2.6 ULC listed.

2.5.3 Cabinet:2.5.3.1 Exterior panels: Heavy-gauge galvanized steel with two-layer enamel paint finish2.5.3.2 Perimeter Base Rail: Heavy gauge galvanized steel.

2.5.3.2.1 Forklift slots; on three sides, not directly below condenser coil.2.5.3.3 Rigging holes on all four corners.2.5.3.4 Raised or flanged edges around duct and power entry openings.2.5.3.5 Return Airflow Choice: Down flow; factory shipped.

2.5.3.5.1 Convertible in field to horizontal flow.2.5.3.6 Electrical lines: Brought through base of unit via horizontal knockouts.2.5.3.7 Gas lines: Brought through base of unit via horizontal knockouts.2.5.3.8 Insulation: Panels adjacent to conditioned air; insulated with non-hygroscopic

fiberglass insulation.2.5.3.9 Access Panels: Compressor, controls, heating areas, blower, air filter, and

economizer.2.5.3.9.1 Hinged access panel; condenser section.

2.5.3.10 Corrosion Protection:2.5.3.10.1 MIL-P-53084.2.5.3.10.2 ASTM B117.2.5.3.10.3 ASTM 1153.2.5.3.10.4 MIL-P-53084.

2.5.3.11 Hail Guards; field installed.2.5.3.12 Coil Guards, field installed.


2.5.4.1.1 Overload protected.2.5.4.1.2 Internal excessive current and temperature protection.2.5.4.1.3 High capacity filter/driers.2.5.4.1.4 High pressure switches.2.5.4.1.5 Vibration isolation: Mounted on elastomeric grommets.

2.5.4.2 Reversing Valves: Four-way interchange reversing valve.2.5.4.3 Crankcase heaters.

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2.5.5 Coil Construction: Condensing and evaporator coils, silver soldered.2.5.5.1 Copper tube, rippled-edge aluminum fins, and flared shoulder tubing

connections, and factory leak tested.2.5.5.2 Evaporator Coils: Pressure and leak tested to 500 psi (3447 kPa).


2.5.5.3 Condenser coils:2.5.5.3.1 Eco-Last coil system: All aluminum construction.

2.5.5.3.1.1 Over-core reinforcement.2.5.5.3.1.2 Coil-mounting isolators.2.5.5.3.1.3 Sheet metal isolators.2.5.5.3.1.4 Coil Stabilizers.2.5.5.3.1.5 Flexible immersed coating electrodeposited by dry film process on

corrosion hardened units only.2.5.5.4 Condensate Drain Pan: Plastic, sloped meeting ASHRAE 62.1.

2.5.5.4.1 End drain connection.2.5.5.5 Outdoor coil fan motors: Shaft down, mounted fan guard; thermal overload

protected.2.5.5.5.1 Permanently lubricated bearings.

2.5.5.6 Outdoor coil fans: PVC coated, furnished fan guard.2.5.5.7 Condensate Drain Trap: available in copper or PVC.2.5.5.8 Drain Pan Overflow Switch.2.5.5.9 Low Ambient Kit

2.5.6 Gas Heating System: Induced draft.2.5.6.1 Motor: PSC; ball bearings.2.5.6.2 Fuel type: Natural gas.2.5.6.3 Ignition: Direct spark pilot.2.5.6.4 Sensors: Electronic flame.2.5.6.5 Switches: Flame rollout, High heat limit, and safety.


2.5.6.5.1.1 High altitude de-rate above 2000 feet (610 m) is 2 percent per1000 feet (2 percent per 305 m) less than standard de-rate of 4 percent per 1000 feet (4 percent per 305 m).


2.5.6.8.1 Aluminized steel.2.5.6.9 Gas piping system tight and free of leaks when pressurized to maximum supply

pressure.2.5.6.10 Gas Valve: Two-stage, redundant type gas heat valve with manual shutoff.2.5.6.11 Gas Valve: Single-stage.2.5.6.12 Gas Burners: Aluminized steel inshot with powder metal flame retention ring.2.5.6.13 Low NOx.2.5.6.14 Field Installed Accessories:

2.5.6.14.1 Vertical Vent Extension Kit.2.5.6.14.2 LPG/Propane Kit.

2.5.7 Electric Heating System: Electrical resistance heater:2.5.7.1 Field installed.2.5.7.2 Fuse Block.

2.5.7.2.1 Field Installed.2.5.7.2.2 Fusible link thermal limit protection.

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2.5.7.2.3 Single point power supply.2.5.7.2.4 Heater Element: Nickel chromium wire.

2.5.7.2.4.1 Individually fused.2.5.7.2.5 Electric heater slides out of unit for service.

2.5.7.3 Heating Controls:2.5.7.3.1 Support 2 stages of heating control from thermostat (ZG models).2.5.7.3.2 Support 1 stage of heating control from thermostat (ZC models).

2.5.8 Supply Air Fan (Blower): Galvanized steel with forward curved blades.2.5.8.1 Constant Air Volume (CAV).2.5.8.2 Wheel: Balanced, statically and dynamically.2.5.8.3 Bearings: Ball bearings.2.5.8.4 Adjustable pulley for speed change.2.5.8.5 Blower assembly slides out of unit for servicing.2.5.8.6 Motor: Overload protected.2.5.8.7 Belt drive: Ball bearings.

2.5.9 Supply Air Filters: Disposable 2 inch furnished as standard.

2.5.10 Controls:2.5.10.1 Unit Control: 24V transformer (secondary) with external fuse protection.2.5.10.2 Heat/Cool Staging: 2 heat/2 cool staging control system or thermostat.2.5.10.3 Night setback mode.2.5.10.4 Controls Options:

2.5.10.4.1 BACnet.2.5.10.4.2 Thermostat.

2.5.11 Serviceability:2.5.11.1 Wiring: Labeled field connections, color coded and continuously marked wire to

identify point-to-point component connections.2.5.11.1.1 Not in contact with hot-gas refrigerant lines or sharp metal edges.

2.5.11.2 Electrical Plugs.2.5.11.3 Access Panels.2.5.11.4 Tool-less filter access panel.2.5.11.5 Blower Access.2.5.11.6 Coil Cleaning.2.5.11.7 Standard Components.2.5.11.8 Hinged Compressor access panel.



2.5.12.1.3.1 Field installed.2.5.12.2 High Performance Economizer:

2.5.12.2.1 Dampers: Gear driven.2.5.12.2.1.1 Plug-in connections to unit.2.5.12.2.1.2 Nylon bearings.2.5.12.2.1.3 Enhanced neoprene blade edge seals.2.5.12.2.1.4 Flexible stainless steel jam seals.2.5.12.2.1.5 High torque, 24 V fully modulating spring return motor.2.5.12.2.1.6 Minimum damper position: Adjustable.2.5.12.2.1.7 Damper linkage and shafts: Plated.

2.5.12.2.2 Control module:2.5.12.2.2.1 Inputs and outputs based on parameter settings.2.5.12.2.2.2 Automatic sensor detection.

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2.5.12.2.2.3 Alarm message display.2.5.12.2.2.4 Non-volatile memory: Maintains setting during power failure.2.5.12.2.2.5 Keypad: Setting parameters.

2.5.12.3 Control: Single Enthalpy.2.5.12.3.1 Field installed.

2.5.12.4 Outdoor Air Damper: Hood provided.2.5.12.4.1 Downflow.

2.5.12.4.1.1 Field installed2.5.12.4.2 Horizontal

2.5.12.4.2.1 Field installed2.5.12.5 Power exhaust fan:

2.5.12.5.1 Field installed.2.5.12.6 Roof curb:

2.5.12.6.1 Downflow.2.5.12.6.1.1 Field installed

2.5.12.6.2 Horizontal.2.5.12.6.2.1 Field installed

2.5.12.7 Ceiling Diffuser: Field installed. =2.5.12.7.1 Flush.2.5.12.7.2 Step down.

2.5.12.8 Indoor Air Quality (CO2) Sensors2.5.12.9 Coil Guards:

2.5.12.9.1 Field installed.2.5.12.10 Hail Guards:

2.5.12.10.1 Field installed2.5.12.11 Condensate drain trap.



2.6 SPLIT SYSTEM OUTDOOR CONDENSING UNITS (T-SERIES)

2.6.1 Split System Outdoor Condensing Units: T-Series by Allied Commercial.2.6.1.1 Model: TAA Air Handler.2.6.1.2 Model: TPA Heat Pump.2.6.1.3 Model: TSA Condensing Unit.

2.6.1.3.1 6 Ton.2.6.1.3.2 7.5 Ton.2.6.1.3.3 10 Ton.2.6.1.3.4 12.5 Ton.2.6.1.3.5 15 Ton.2.6.1.3.6 20 Ton.


2.6.2.2.1 AHRI 210.2.6.2.2.2 AHRI 240.

2.6.2.3 6 Ton units:2.6.2.3.1 AHRI 340.2.6.2.3.2 AHRI 360.

2.6.2.4 Sound Tested:2.6.2.4.1 AHRI 2702.6.2.4.2 AHRI 370

2.6.2.5 CSA listed.

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2.6.2.6 ETL listed.2.6.2.7 NEC listed.2.6.2.8 CEC listed.2.6.2.9 UL listed.2.6.2.10 ULC listed.

2.6.3 Split Systems Heat Pump and Condensing Units2.6.3.1 Maximum sound rating:89 dB.2.6.3.2 Cabinet: Pre-painted finish, heavy-gauge galvanized steel.

2.6.3.2.1 Removable panels.2.6.3.2.2 Heavy duty steel base channels rails: Fork slots and lifting holes.2.6.3.2.3 Control box: Factory wired.

2.6.3.2.3.1 Inside cabinet.2.6.3.2.3.2 Sized for field installed DDC or other control modules.

2.6.3.3 Compressor: Scroll type; uniform suction flow, constant discharge flow.2.6.3.3.1 Internal excessive current and temperature protection.2.6.3.3.2 Single stage compressor(s).2.6.3.3.3 Vibration isolation: Secured to elastomeric mounts.2.6.3.3.4 Defrost control: Outdoor temperatures below 42 degrees F (6.1 degrees

C).2.6.3.3.4.1 Adjustable defrost cycle.2.6.3.3.4.2 Diagnostic LEDs.2.6.3.3.4.3 Terminal strip for field wiring.2.6.3.3.4.4 Condenser coil thermostat.2.6.3.3.4.5 Short-cycle protection.

2.6.3.4 Crankcase heater.2.6.3.5 Refrigerant System Refrigerant: R410-A.

2.6.3.5.1 Fully serviceable liquid and suction line service valves.2.6.3.5.2 High pressure switch: Manual reset.2.6.3.5.3 Loss of charge (low pressure) switch: Automatic reset.2.6.3.5.4 Hi-capacity driers: Trap refrigerant contaminants.2.6.3.5.5 Refrigerant line connections and field wiring: Located outside the unit.2.6.3.5.6 Reversing valve Refrigerant flow.2.6.3.5.7 Condenser Coil(s): Copper tube construction with machine fitted aluminum

rippled and/or lanced fins, flared shoulder tubing connections, silver soldered brazed joints, and factory leak tested.

2.6.3.5.7.1 Flexible immersed coating electrodeposited by dry film process:2.6.3.5.7.1.1 ASTM B117.2.6.3.5.7.1.2 ASTM 1153.2.6.3.5.7.1.3 MIL-P-53084.

2.6.3.6 Coil Fans/Air Mover: Direct drive, propeller fan(s).2.6.3.6.1 PVC coated steel fan guards; removable.2.6.3.6.2 Totally enclosed fan motors with rain shield.

2.6.3.7 Low Ambient Operation: Down to 30 degreesF outdoor air temperature.2.6.3.8 Field Installed Options/Accessories:

2.6.3.8.1 Coil / Hail Guards: Heavy duty metal mesh enclosures.2.6.3.8.2 Low Ambient Control Kit: Allowing unit operation down to 0 degreesF

outdoor air temperature.

2.6.4 Split Systems Air Handling Units:2.6.4.1 Standards:

2.6.4.1.1 AHRI 340.2.6.4.1.2 AHRI 360.2.6.4.1.3 CEC listed.2.6.4.1.4 CSA listed.2.6.4.1.5 ETL listed.

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2.6.4.1.6 NEC listed.2.6.4.2 Cabinet: Painted, heavy gauge, galvanized steel cabinet.

2.6.4.2.1 Fiberglass insulation.2.6.4.2.2 Removable side panels. Service access.2.6.4.2.3 Electrical inlets: Inside cabinet.2.6.4.2.4 Refrigerant piping knockouts provided both sides of cabinet.

2.6.4.3 Control box. Separate unit in cabinet.2.6.4.3.1.1 Relocatable.2.6.4.3.1.2 Low voltage terminal strip, factory installed.2.6.4.3.1.3 Blower contactor.2.6.4.3.1.4 All controls prewired at factory.

2.6.4.4 Thermostatic Expansion Valve (TXV): Factory installed for refrigerant flow regulation.

2.6.4.4.1 One expansion valve per circuit.2.6.4.4.2 Internal check valves.

2.6.4.5 Refrigerant Coil(s): Copper tube construction with machine fitted aluminum rippled and/or lanced fins, flared shoulder tubing connections, silver soldered brazed joints, and factory leak tested.


2.6.4.6 Refrigerant piping:2.6.4.6.1 Sweat connections internal to cabinet.2.6.4.6.2 Condensate drain: extends outside of cabinet.

2.6.4.6.2.1 Positioned for vertical or horizontal flow applications.2.6.4.7 Freezestat: field installed.2.6.4.8 Electric heat section: Separate add on in matching cabinet.

2.6.4.8.1 Cabinet: Painted, heavy-gauge galvanized steel.2.6.4.8.1.1 Hardware provided to secure cabinets together.2.6.4.8.1.2 Removable panels.

2.6.4.8.2 Electric heaters: Helix wound, nichrome elements; field installed directly in airstream.

2.6.4.8.2.1 Capacities:2.6.4.8.2.1.1 10 kW.2.6.4.8.2.1.2 15 kW.2.6.4.8.2.1.3 20 kW.2.6.4.8.2.1.4 25 kW.2.6.4.8.2.1.5 30 kW.2.6.4.8.2.1.6 35 kW.2.6.4.8.2.1.7 40 kW.

2.6.4.8.2.2 Limit controls: Overheating protection.2.6.4.9 Hot water coil: Separate add on in matching cabinet.

2.6.4.9.1 Cabinet: Painted, heavy-gauge galvanized steel.2.6.4.9.1.1 Foil-faced fiberglass insulation.2.6.4.9.1.2 Hardware provided to secure cabinets together.2.6.4.9.1.3 Removable panels.

2.6.4.9.2 Coil: Copper tube construction with machine fitted aluminum rippled and/or lanced fins, flared shoulder tubing connections, silver soldered brazed joints, and factory leak tested.

2.6.4.9.3 Valves and pumps: Furnished by installer.2.6.4.10 Supply Air Filters: Disposable 2 inch furnished as standard. Field installed.

2.6.4.10.1 2" MERV 11, 5 inch (127 mm) pleated filters.2.6.4.10.2 2" MERV 16, 5 inch (127 mm) pleated filters.

2.6.4.10.2.1 MERV Filter Mounting Kit.2.6.4.11 UVC Germicidal Light Kit: ETL approved.

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2.6.4.11.1 Rapid start ballast; LED indicators.2.6.4.11.2 208/230 V/1ph power supply.

2.6.4.11.2.1 Stepdown transformer2.6.4.12 Supply Air Fan (Blower): Galvanized steel with forward curved blades.

2.6.4.12.1 Constant Air Volume(CAV).2.6.4.12.2 Wheel: Balanced, statically and dynamically.2.6.4.12.3 Bearings: Ball bearings lubricated and sealed.2.6.4.12.4 Adjustable pulley for speed change.2.6.4.12.5 Blower assembly slides out of unit for servicing.2.6.4.12.6 Motor: Overload protected.

2.6.4.12.6.1 Belt drive: Ball bearings.2.6.4.12.7 Single Zone VAV Supply Fan VFD Kit:

2.6.4.12.7.1 ASHRAE 90.1-2010 Section 6.4.3.102.6.4.12.7.2 California Code of Regulations Title 24.2.6.4.12.7.3 Blower speeds:

2.6.4.12.7.3.1 Low: 66 percent of high speed for partial-load cooling2.6.4.12.7.3.2 High: Full load cooling.

2.6.4.12.7.4 Operation range: -40 to 125 degrees F (-40 to 52 degrees C).2.6.4.13 Drain Plan: Plastic, corrosion resistant, and reversible.2.6.4.14 Float switch: Prevents condensate overflow.2.6.4.15 Return air grilles: Anodized aluminum.2.6.4.16 Accessories:

2.6.4.16.1 Economizer: Factory assembled and wired, dampers and controls for field installation.

2.6.4.16.1.1 Damper linkage and shafts: Plated.2.6.4.16.1.2 Cabinet: Painted, heavy-gauge galvanized steel.

2.6.4.16.1.2.1 Foil-faced fiberglass insulation.2.6.4.16.1.2.2 Hardware provided to secure cabinets together.2.6.4.16.1.2.3 Removable panels.2.6.4.16.1.2.4 Flanged for easy duct connections:

2.6.4.16.1.2.4.1 Outdoor air and return air.2.6.4.16.1.3 Standard economizer:

2.6.4.16.1.3.1 Dampers: Gear driven.2.6.4.16.1.3.1.1 Plug-in connections to unit.2.6.4.16.1.3.1.2 Neoprene seals.2.6.4.16.1.3.1.3 24 V fully modulating spring return motor.2.6.4.16.1.3.1.4 Minimum damper position: Adjustable.2.6.4.16.1.3.1.5 Damper linkage and shafts: Plated.

2.6.4.16.1.3.2 Control module:2.6.4.16.1.3.2.1 Can operate based on outdoor air temperatures.2.6.4.16.1.3.2.2 IAQ sensor: maintains 55 degrees when CO2 is

higher than given set point.2.6.4.16.1.3.2.3 Demand control ventilation (DCV) LED:

Indicated IAQ reading is higher than set point and requires more fresh air.

2.6.4.16.1.3.2.4 Free cool LED: Outdoor air is suitable for free cooling.

2.6.4.16.1.4 High performance economizer:2.6.4.16.1.4.1 Dampers: Gear driven.

2.6.4.16.1.4.1.1 Plug-in connections to unit.2.6.4.16.1.4.1.2 Nylon bearings.2.6.4.16.1.4.1.3 Enhanced neoprene blade edge seals.2.6.4.16.1.4.1.4 Flexible stainless steel jam seals.2.6.4.16.1.4.1.5 High torque, 24 V fully modulating spring return

motor.2.6.4.16.1.4.1.6 Minimum damper position: Adjustable.

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2.6.4.16.1.4.1.7 Damper linkage and shafts: Plated.2.6.4.16.1.4.2 Control module:

2.6.4.16.1.4.2.1 Inputs and outputs based on parameter settings.2.6.4.16.1.4.2.2 Automatic sensor detection.2.6.4.16.1.4.2.3 Alarm message display.2.6.4.16.1.4.2.4 Non-volatile memory: Maintains setting during

power failure.2.6.4.16.1.4.2.5 Keypad: Setting parameters.

2.6.4.16.2 Differential enthalpy Control: Chooses between outdoor or return air; whichever has the lowest enthalpy.

2.6.4.16.2.1 Field installed in economizer damper.

2.7 SMALL SPLITS

2.7.1 Small Splits: By Allied Commercial.2.7.1.1 Model: SCU Air conditioner:

2.7.1.1.1 Dry Charge2.7.1.2 Model: SHP Heat pump:

2.7.1.2.1 Dry charge2.7.1.3 Model: ACBX Air Handler:

2.7.1.3.1 3 Ton.2.7.1.3.2 4 Ton.2.7.1.3.3 5 Ton.


2.7.2.2.1 AHRI 210.2.7.2.2.2 AHRI 240.

2.7.2.3 UL listed.2.7.2.4 ULC listed.

2.7.3 Split System Heat Pumps and Air Conditioners.2.7.3.1 Standards:

2.7.3.1.1 AHRI 210 certified.2.7.3.1.2 AHRI 240 certified.2.7.3.1.3 UL Listed.2.7.3.1.4 ULC Listed.

2.7.3.2 Sound Ratings: 78 dBA maximum.2.7.3.3 Design ambient: up to 125 degrees F (53 degrees C).2.7.3.4 Cabinet: Baked polyester painted finish over galvanized steel.

2.7.3.4.1 Metal louvered exterior panels.2.7.3.4.1.1 Easily removable for servicing; two screws per panel.

2.7.3.4.2 Rounded corners.2.7.3.4.3 External gauge ports.2.7.3.4.4 Base pan: Ported, for water and debris drainage.

2.7.3.5 Compressor: Scroll, high efficiency. R410A refrigerant.2.7.3.5.1 Overload Protection.2.7.3.5.2 Internal excessive current and temperature protection.2.7.3.5.3 Vibration isolation: Mounted on elastomeric grommets.

2.7.3.6 Coil: Copper tube with aluminum fins.2.7.3.6.1 Raised coil to prevent debris collection.

2.7.3.7 Components2.7.3.7.1 Filter drier.

2.7.3.7.1.1 Bi-directional.2.7.3.7.2 Service valves.

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2.7.3.7.3 Trade available components.2.7.3.7.4 Indoor coil orifice shipped with outdoor unit.

2.7.3.7.4.1 Charged with 15 feet (4.6 m) of line set.2.7.3.7.5 Discharge muffler.2.7.3.7.6 Solid-state, time-initiated, temperature terminated defrost system.2.7.3.7.7 Low pressure switch: Charge loss protection.2.7.3.7.8 High pressure switch: Compressor protection.2.7.3.7.9 Defrost control:

2.7.3.7.9.1 Diagnostics.2.7.3.7.9.2 Short cycle protection.2.7.3.7.9.3 Quiet Shift capable.2.7.3.7.9.4 Field selectable: 30/60/90 minutes.

2.7.3.8 Accessories:2.7.3.8.1 Blower off delay kit2.7.3.8.2 Sound covers.2.7.3.8.3 Freezestats.2.7.3.8.4 Loss of charge kit.2.7.3.8.5 Compressor time off control.2.7.3.8.6 Low ambient kit.2.7.3.8.7 Fossil flue kit.2.7.3.8.8 Crank case heater.2.7.3.8.9 High pressure cutout kit.2.7.3.8.10 Thermal expansion valve kit.2.7.3.8.11 Short cycle protection kit.

2.7.4 Split System Dry-Charged, Heat Pumps and Air Conditioners.2.7.4.1 Standards:

2.7.4.1.1 UL Listed.2.7.4.1.2 ULC Listed.

2.7.4.2 Sound Ratings: 80 dBA maximum.2.7.4.3 Design ambient: up to 125 degrees F (53 degrees C).2.7.4.4 Cabinet: Baked polyester painted finish over galvanized steel.

2.7.4.4.1 Metal louvered exterior panels.2.7.4.4.1.1 Easily removable for servicing; two screws per panel.

2.7.4.4.2 Rounded corners.2.7.4.4.3 External gauge ports.2.7.4.4.4 Base pan: Ported, for water and debris drainage.

2.7.4.5 Compressor: Scroll, high efficiency. Nitrogen charged for replacements of R22 components only.

2.7.4.5.1 Overload Protection.2.7.4.5.2 Internal excessive current and temperature protection.2.7.4.5.3 Vibration isolation: Mounted on elastomeric grommets.

2.7.4.6 Coil: Copper tube with aluminum fins.2.7.4.6.1 Raised coil to prevent debris collection.

2.7.4.7 Components2.7.4.7.1 Filter drier.

2.7.4.7.1.1 Bi-directional.2.7.4.7.2 Service valves.2.7.4.7.3 Trade available components.2.7.4.7.4 Indoor coil orifice shipped with outdoor unit.

2.7.4.7.4.1 Charged with 15 feet (4.6 m) of line set.2.7.4.7.5 Discharge muffler.2.7.4.7.6 Solid-state, time-initiated, temperature terminated defrost system.2.7.4.7.7 Low pressure switch: Charge loss protection.2.7.4.7.8 High pressure switch: Compressor protection.2.7.4.7.9 Defrost control:

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2.7.4.7.9.1 Diagnostics.2.7.4.7.9.2 Short cycle protection.2.7.4.7.9.3 Quiet Shift capable.2.7.4.7.9.4 Field selectable: 30/60/90 minutes.

2.7.4.8 Accessories:2.7.4.8.1 Blower off delay kit.2.7.4.8.2 Sound covers.2.7.4.8.3 Freezestats.2.7.4.8.4 Loss of charge kit.2.7.4.8.5 Compressor time off control.2.7.4.8.6 Low ambient kit.2.7.4.8.7 Crank case heater.2.7.4.8.8 High pressure cutout kit.2.7.4.8.9 Thermal expansion valve kit.2.7.4.8.10 Short cycle protection kit.

2.7.5 Air Handler for Heat Pump and Air Conditioner Applications:2.7.5.1 Standards:

2.7.5.1.1 UL Listed.2.7.5.1.2 ULC Listed.

2.7.5.2 Thermostatic Expansion Valve (TXV): Factory installed for refrigerant flow regulation.

2.7.5.3 Cabinet: Painted, heavy gauge, galvanized steel cabinet.2.7.5.3.1 Foil faced insulation.2.7.5.3.2 Removable side panels: Service access.2.7.5.3.3 No external fastener heads protruding from cabinet sides.2.7.5.3.4 Tool-less filter access; installation, removal, and replacement.2.7.5.3.5 Electrical inlets: Cabinet top and sides.2.7.5.3.6 Stacked or split into two separate sections.

2.7.5.4 Components:2.7.5.4.1 Blower: Multi-speed permanent split capacitor (PSC), single phase motor.

2.7.5.4.1.1 Slide mounted for easy removal and maintenance.2.7.5.4.1.2 Up flow application.2.7.5.4.1.3 Down flow application.2.7.5.4.1.4 Horizontal application.

2.7.5.4.2 Transformer and blower relay.2.7.5.4.3 Filter: Frame type.2.7.5.4.4 Distributor tubing: Sleeved.

2.7.5.5 Drain Plan: Plastic, UV resistant; dual pipe drains.2.7.5.6 Accessories:

2.7.5.6.1 Counter flow kit.2.7.5.6.2 Combustible floor kit.2.7.5.6.3 Single point power kit.2.7.5.6.4 Electric heat kit. Require 3 phase service.

2.7.5.6.4.1 10 kW.2.7.5.6.4.2 15 kW.2.7.5.6.4.3 20 kW.

2.8 UNIT HEATERS

2.8.1 Unit Heaters: LF24. Gas Unit Heaters; Duct Furnaces by Allied Commercial.2.8.1.1 Standard Units:

2.8.1.1.1 100,000 Btuh.2.8.1.1.2 115,000 Btuh.2.8.1.1.3 145,000 Btuh.2.8.1.1.4 172,500 Btuh.

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2.8.1.1.5 195,000 Btuh.2.8.1.1.6 230,000 Btuh.2.8.1.1.7 250,000 Btuh.2.8.1.1.8 300,000 Btuh.2.8.1.1.9 345,000 Btuh.2.8.1.1.10 390,000 Btuh.

2.8.1.2 Compact Units:2.8.1.2.1 30,000 Btuh.2.8.1.2.2 45,000 Btuh.2.8.1.2.3 60,000 Btuh.2.8.1.2.4 75,000 Btuh.

2.8.2 Performance Requirements:2.8.2.1 CSA certified.2.8.2.2 CEC listed.2.8.2.3 High altitude rating: All units may be fired at full input up to 2000 ft above sea

level. See detailed product information for necessary derating on units based on altitude.

2.8.3 Ships completely assembled: Controls factory installed, wired, and tested.

2.8.4 Fuel type:2.8.4.1 Natural Gas.2.8.4.2 LPG/Propane.

2.8.5 Venting:2.8.5.1 Horizontal.2.8.5.2 Vertical.

2.8.6 Cabinet: Painted, heavy gauge, steel cabinet.2.8.6.1 Insulated panels.2.8.6.2 Louvers: Adjustable.2.8.6.3 Mounting: 3/8 in x 16 rivet nuts for unit suspension.

2.8.7 Electrical Junction Box: Electrical and safety controls.2.8.7.1 Location:

2.8.7.1.1 Outside of cabinet.2.8.7.1.2 Inside of cabinet.

2.8.7.2 Transformer:2.8.7.2.1 120 / 24 V.2.8.7.2.2 115 / 24 V.

2.8.7.3 Combination ignition/fan timer control.2.8.7.4 Terminal strip: thermostat connections.2.8.7.5 Diagnostic LED.

2.8.8 Fan: Direct driven.

2.8.9 Heating system:2.8.9.1 Combination control valve: 24 volt.

2.8.9.1.1 Manual shutoff.2.8.9.1.2 Gas pressure regulation.

2.8.9.2 Ignition: Solid state, timer controlled, direct spark.2.8.9.2.1 Intermittent; only when required.

2.8.9.3 Flame sensor:2.8.9.3.1 Initiates three attempts at re-ignition before lock out.

2.8.9.4 Combustion air inducer: Operates only during heating cycle purging flue vents.2.8.9.4.1 Pressure switch: proves inducer operation prior to gas valve actuation.

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2.8.9.4.2 Blower motor: Direct drive, sleeve bearings, and thermally protected.2.8.9.4.3 Rotatable 90 degrees left or right of vertical to facilitate installation.

2.8.9.5 Heat Exchanger: Tubular.2.8.9.5.1 Aluminized steel.2.8.9.5.2 Stainless steel.

2.8.9.6 Burner Assembly: Inshot, aluminized steel.2.8.9.6.1 Venturi air and gas mixer.2.8.9.6.2 Removable as unit. Burners removable individually.

2.8.9.7 Limit control: Factory installed and set.

2.8.10 Venting:2.8.10.1 Vertical: Single wall and type B-1 double wall vent pipe.2.8.10.2 Horizontal: Single wall or Allied-approved stainless steel vent kits.

2.8.11 Hanging Brackets: for field installation.

2.8.12 Options:2.8.12.1 Discharge Nozzles: Fully assembled painted heavy gauge steel.

2.8.12.1.1 Orientation:2.8.12.1.1.1 30 degrees.2.8.12.1.1.2 45 degrees.2.8.12.1.1.3 60 degrees.2.8.12.1.1.4 90 degrees.

2.8.12.2 Hanging bracket kit: Suspends heats on two pipe hangers.2.8.12.2.1 Brackets and necessary hardware.2.8.12.2.2 Pipe hangers: 3/4 inch not furnished; field provided.

2.8.12.3 LPG/Propane conversion kit:

2.9 INDUSTRIAL FURNACES

2.9.1 Gas Furnaces: Model LG14 by Allied Commercial.2.9.1.1 225,000 Btuh.2.9.1.2 275,000 Btuh.2.9.1.3 350,000 Btuh.2.9.1.4 450,000 Btuh.

2.9.1.4.1 Orientation:2.9.1.4.1.1 Horizontal.2.9.1.4.1.2 Vertical.

2.9.2 Performance Requirements:2.9.2.1 UL listed.

2.9.3 Cabinet:2.9.3.1 Base frame and blower deck: 16-gauge (1.52 mm) steel.2.9.3.2 Front header box: 14-gauge (1.99 mm) aluminized steel.2.9.3.3 Side panels: Removable.2.9.3.4 Observation door.

2.9.4 Heat exchanger 14-gauge (1.9 mm) stainless steel.

2.9.5 Fuel Pump: Two stage.

2.9.6 Burn: Stainless steel flame retention head, 115 V.

2.9.7 Overload Protection: 115/230 V. factory wired for 230 V.2.9.7.1 Blower motor, fans, and limits controls.

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2.9.8 Flue Travel: aluminized steel.

2.9.9 Blowers: Primary, and secondary; rail mounted, slide out.2.9.9.1 Belt driven.2.9.9.2 Motor: Factory wired for 230 V. 3450 rpm.

2.9.9.2.1 1.5 Hp (1.12 kW)2.9.9.2.2 2.0 Hp (1.49 kW).

2.9.9.3 Oil burning Kit: Barometric control included.2.9.9.3.1 Oil burner: 7 Amps at 115 V.

3 PRODUCTS

3.1 EXAMINATION

3.1.1 Verification of Conditions: Examine areas and conditions under which Work is to be performed and identify conditions that may be detrimental to proper or timely completion.3.1.1.1 Verify locations of all connections; i.e. piping and wiring.

3.1.2 Do not proceed until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

3.2.1 General: Install products in accordance with manufacturer's instructions, approved submittals, and in proper relationship with adjacent construction.

3.2.2 For roof curbs refer to appropriate sections in Division 07 for detailed specification information on roof curbs.

3.2.3 Cast-in-place equipment bases: See appropriate sections in Division 03 for detailed specification of cast-in-place concrete or miscellaneous cast-in-plate concrete.

3.2.4 Connections: Ducts, drains, gas piping, and wiring; see appropriate sections in Division 23 and 26 for detailed specifications information.

3.3 FIELD QUALITY CONTROL

3.3.1 Testing: Test units for proper operation. Adjust until satisfactory results are obtained.3.3.1.1 Employ the use of a factory authorized representative to coordinate efforts.

3.3.2 Replace any controls or equipment that fails to functioning properly or is damaged.

3.3.3 Perform startup procedure per manufacturer's instructions.3.3.3.1 Employ the use of a factory authorized representative to coordinate efforts.3.3.3.2 Inspect entire unit for damages.3.3.3.3 Verify all systems and components are operating and performing to specification.

3.3.3.3.1 Verify all system calibrations are functioning normally.

3.3.4 Replace filters: After testing and startup has been completed.

3.3.5 Have manufacturer's representative, train maintenance personnel.

3.3.6 Prepare and submits reports.

3.4 CLEANING AND PROTECTION

3.4.1 Protect from damage during construction operations. Promptly repair any damaged surfaces. Remove and replace work which cannot be satisfactorily repaired.

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3.4.2 Clean products, prior to Substantial Completion, using materials recommended by the manufacturer.

3.5 OCCUPANCY ADJUSTMENT

3.5.1 Adjust systems to meet actual needs of occupants.3.5.1.1 Months after Substantial Completion: ______ months.

3.5.1.1.1 Number of visits: ______.

END OF SECTION

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· web viewcoil: copper tube construction with machine fitted aluminum rippled and/or lanced fins,...

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