hiline vertical stacking fan coil...

®

HiLine™ Vertical StackingFan Coil UnitsType HSS & KZZ

CUL Listed

Catalog C: 770-13

McQuay HiLine fan coil air conditioning units are designed for usein multiple floor apartments, office buildings, hotels and othersimilar applications and require a minimum amount of floor space.Just one HiLine unit may do the job that formerly required multipleconventional units.

The results of many years of experience in the development,design and manufacture of fan coil air conditioners have beenincorporated in the McQuay HiLine units to provide highly efficient,quiet performance; individual thermostatic control; simple, lowcost installation; application flexibility; and low maintenance andoperating costs with no sacrifice in room comfort, design, orappearance.

For the ultimate in design, performance, efficiency, flexibility ofapplication, and ease of installation and maintenance, look toMcQuay HiLine fan coils.

Application flexibilityTwo distinct designs are available with the complete flexibilitynecessary for any application requirement.

• Low cfm design - The 300 through 800 cfm blow-throughconfiguration units are designed to meet individual room controlrequirements.

• High cfm design - The 1000 and 1200 cfm draw-throughconfiguration units are designed for multiple dischargearrangements so that one unit can serve more than one room.

Both designs are available for two-pipe and four-pipe systemswith single, double, triple and top discharge arrangements.Optional equipment is available to provide complete applicationflexibility.

McQuay HiLine fan coil units are tested and rated in accordancewith Air Conditioning and Refrigeration Institute (ARI) Standard440 and certified in accordance with the ARI certification program.ARI certification assures you full rated performance and offersconfidence in unit selection.

HiLine fan coil units are listed by Underwriters Laboratories ascomplying with nationally recognized safety standards for fan coilair conditioning units.

“HiLine” is a trademark of McQuay International.“McQuay” is a registered trademark of McQuay International.

2006 McQuay International. All rights reserved throughout the world.“Bulletin illustrations cover the appearance of McQuay International products at the time of publication and

we reserve the right to make changes in design and construction at anytime without notice.”

ARI certification, UL and CUL listing

McQuay HiLine fan coil units

CUL Listed

/ Catalog 770

1/06

Catalog 770 /

Computer fan coil selection program

Contents

Nomenclature

ARI certification . . . . . . . . . . . . . . . . . . . . . . . . . 2Computer fan coil selection program . . . . . . . . . 3Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . 3Unit design . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,5Design features . . . . . . . . . . . . . . . . . . . . . . . . 6,7Optional features and accessories . . . . . . . . . . . 8Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Application considerations. . . . . . . . . . . . . . 10-12

HiLine selection data . . . . . . . . . . . . . . . . . . . . 13ARI approved standard ratings . . . . . . . . . . . . . 14Technical data . . . . . . . . . . . . . . . . . . . . . . . . . 15Electric heat capacities. . . . . . . . . . . . . . . . . . . 16Dimensional data. . . . . . . . . . . . . . . . . . . . . 17-21Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . 22-23Engineering guide specifications . . . . . . . . . 24-26

Product CategoryF=Fan Coil

Product Identifiersee box below

Design Series1=A Design2=B Design3=C Design4=D Design5=E Design

VoltageA=115-60-1B=200-60-3G=230-60-1I=230/460-60-3J=277-60-1L=575-60-3Q=115/230-60-1Z=Not applicable

Coil Options (Not available on all prod.)A=Std. CapacityC=Lo-FlowD=Three Row CW/HWJ=Six Row CW/HWK=Std. Cap. w/Full 2nd Drain PanN=Lo-Flow Coil w/2-Way ValveP=Lo-Flow Coil w/3-Way ValveQ=Lo-Flow Coil w/2-Way Valve DeluxeR=Lo-Flow Coil w/3-Way Valve Deluxe

Nominal CFMS02=200S03=300S04=400S06=600S08=800etc......

F TSF 1 S03 A A① ② ③ ④ ⑤ ⑥

CHB Cabinet Unit Heater, BasicCHF Cabinet Unit Heater, FloorCZA Horiz. Lrg. Cap Belt w/ Cab. - Field Inst. motorCZC Horiz. Lrg. Cap Belt w/ Cab. - Low H.P.CZH Horiz. Lrg. Cap Belt w/ Cab. - High H.P.HSS Hi-line Series Vertical UnitHZA Horiz. Lrg. Cap Belt w/o Cab. - Field Inst. MotorHZC Horiz. Lrg. Cap Belt w/o Cab. - Low H.P.HZH Horiz. Lrg. Cap Belt w/o Cab. - High H.P.KZZ Knock Down Hi-line w/o ValvesSCD Horiz. Lrg. Cap Direct w/ Cabinet

SHD Horiz. Lrg. Cap Direct w/o CabinetTHC Low Cost HorizontalTSB Vertical Unit w/o CabinetTSF Vertical Unit w/ CabinetTSS Vertical Unit w/ Metal Slope TopTPF Vertical Unit w/ Tamper Proof Accy’sTSC Horiz. Unit w/ CabinetTSH Horiz. Unit w/o CabinetUDH Vertical Unit HeaterUDX Vertical Unit Heater w/ Explosion Proof MotorUHH Horiz. Unit Heater

PRODUCT IDENTIFIER

①

②

③

④

⑤

⑥

To provide optimal fan coil unit selection, McQuay Internationalprovides McQuayTools™ and SelectTools™ for Fan Coil forcomputer fan coil selection capability. These computerprograms aid in the selection of the most economical unit sizeand coil option to meet the specification. The programcapabilities include hot and chilled water, hot and chilled waterwith glycol, electric heat, supplemental steam heat, and unitexternal static pressure.

To operate the McQuayTools and SelectTools software the userneeds a computer using Windows® 2000 or higher. McQuaywill provide the software to run McQuayTools and SelectToolsfor Fan Coil.

Contact your nearest McQuay representative for a copy ofSelectTools or for a fan coil selection that meets the mostexacting specifications.

/ Catalog 770

(S03 – S08) To Meet Individual Room Requirements

FAST, SIMPLE INSTALLATION - Simplystack one unit above the other, sweat thecouplings to the risers and connect thepower. The unique non-stop slip couplingsrequire only one person for setting andconnecting.

CABINET - Heavy gaugegalvanized steel. Fully insulated for quiet operation.

COILS - High efficiency type forfull rated capacity. ARI certified.

REMOVABLE CHASSIS - Allcomponents are mounted on asingle removable chassis so thata different capacity chassis canbe installed in the same cabinetshould future needs require it.

MOTOR & FAN ASSEMBLY - Quiet, energyefficient, permanent split capacitor motor andcentrifugal fan for low sound level. Fan housingsare of a split type design or have separate inletrings to allow easy removal of the fan motor.

FILTER - Easily accessible by simpleremoval of return air grille panel.

OPPOSITE HAND UNITS - Two adjacent room units can be connected to asingle set of risers and still retain individual room temperature control. Twin unitsmust be joined in the field. Reverse piping for same hand units not available.

RETURN AIR GRILLE PANEL - Heavygauge steel with stamped grille andattractive Antique Ivory finish. Availableas an accessory.

ACCESS & SOUND BAFFLEPANEL - Insulated galvanizedsteel. Easily removed for completeaccess for service.

CONTROLS - Unit-mounted combination 3-speed switch and thermostat. Thermostatelectrical box is adjusted for wall thickness.Thermostat wiring required in the field(optional molex connections can beprovided).

DISCHARGE ARRANGEMENTS -Single, double, triple and top dischargearrangements are available.

RISERS - Factory cut 104" long. No riser cuttingrequired. Factory-supplied risers have factoryinstalled sweat ball valves.

Low cfm design (300 thru 800 cfm)

LOW SOUND LEVEL OPERATION - The low cfm design features a quiet, energy efficient motor and fan assembly, carefully located within afully insulated cabinet to provide low sound level operation.

NEUTRAL UNIT SHOWN(Risers in back)

Optional valve packages can beprovided for 24V, 115V, and277V.

Catalog 770 /

High cfm design (1000 thru 1200 cfm)(S10 – S12) For Multiple Discharge Arrangements

SPECIALLY DESIGNED FOR HIGH CFM PERFORMANCE - These draw-through units are ideal for luxury hotel and condominium buildingswhere multiple discharge arrangements with a common return air location, high cfm performance and quiet operation are required.

MOTOR & FAN ASSEMBLY (Notshown) - Quiet, energy efficient,permanent split capacitor motorsand centrifugal fans, mounted inthe draw-through position with acommon return air location,provide high cfm performance withlow sound level.

COILS - High efficiency type forfull rated capacity. ARI certified.

FILTER - Easily accessibleby simple removal of returnair grille panel.

CABINET - Heavy gauge galvanized steel.Fully insulated for quiet operation.

DISCHARGE ARRANGEMENTS - Single,double, triple and top dischargearrangements are available.

RETURN AIR GRILLE PANEL -Heavy gauge steel with stamped grilleand attractive Antique Ivory finish.

ACCESS & SOUND BAFFLE PANEL- Easily removed for complete accessto internal controls, motor and fanassembly for service.

NEUTRAL UNIT SHOWN(Risers on back)

OPPOSITE HAND UNITS - Twoadjacent room units can beconnected to a single set of risersand still retain individual control ofeach unit. Twin units must be joinedin the field. Reverse hand piping forsame hand units not available.

SWEAT BALL VALVES -are factory mounted on coil.

CONTROLS - Unit-mounted combination3-speed switch and thermostat.Thermostat electrical box is adjusted forwall thickness. Thermostat wiring requiredin the field (optional molex connections canbe provided).

Optional valve packages can beprovided for 24V, 115V, and277V.

RISERS - Factory cut 104" long. Supply and return risersare factory insulated. The unique non-stop slip couplingsrequire only one person for unit setting and connecting.

FAST, SIMPLE INSTALLATION - Simply stack one unitabove the other, sweat the couplings to the risers andconnect the power. The unique non-stop slip couplingsrequire only one person for setting and connecting.

/ Catalog 770

Unit configurationUnit sizes S03 through S08 feature a blow-through designwith completely removable chassis. The motor, fanassembly, coil(s), drain pan and valve packages are mountedon a compact chassis which slides out through the return airgrille and access panel.Unit sizes S10 and S12 feature a draw-through design. Filter,drain pan and drain line are accessible by removing thereturn air grille. Controls, valves, motor and fan assembly areaccessible by removing the access panel.

Knock-down unitThe KZZ knock-down unit configuration, available for unitsizes S03 through S08, allows installation, leak testing andinsulation of the risers and stub-outs prior to the unitplacement. Risers can be field provided or factory suppliedand shipped to the jobsite before the units. After riserinstallation, the bottom half of the unit is set in place.Connections are then made to the supply, return and drainrisers as well as the power supply. Then the top half of theunit is installed.

Control systemsA variety of thermostats, unit or wall mounted, are offered tocontrol all different options for fan and valve cycling. For unitmounted thermostats all wiring is provided to the control boxfor easy field installation (optional Molex connections areavailable upon request). A 10K thermistor is mounted in allunits. It can be used for factory provided thermostats or forfield provided controls. The thermostat electrical box isadjustable for any wall thickness up to 3-7/8" and isprovided with a 1/2" mud ring (an optional 5/8" mud ring canbe provided upon request).

Thermostats• Unit mounted 2 or 4-pipe systems (24v–277v)• Wall mounted 2 or 4-pipe systems (24v–277v)• Automatic or manual changeover• Digital display• Optional quick connect for unit mounted thermostats(Please reference ED 18513 for thermostat availability andoptions)

Efficient, quiet fans and motorsThree-speed, permanent split capacitor motors coupled withDWDI forward curved direct drive fans provide efficientoperation. Motors have sleeve bearings, oilers and inherentautomatic reset thermal overload protection. Unit sizes S03through S04 have a two-piece fan housing with integralscroll and inlet. Unit sizes S06 through S12 have a heavy-gauge steel fan housing with integral scroll and separateinlets. All fan wheels are statically and dynamically balanced.Efficient fans, PSC motors, resilient motor mounts and a fullyinsulated cabinet provide quiet operation.

Design features for high performanceand low operating cost

Telescoping Thermostat Box

Field Mounted Thermostat

Fan and Motor Assembly

SizesS03 & S04

SizesS06 -S12

Mud Ring

Factory- and field-installed risersRisers are available factory-installed or can be shipped withor prior to the units for field installation (factory-installedrisers are not available for KZZ knock-down units). Seedetails below. On S03 through S08 units, sweat ball valvesare included with factory risers.

All copper risers are factory cut to 104" in length. Non-stopslip couplings for supply and return risers and stop typecouplings for drain risers may be ordered separately.Insulation meets or exceeds current flammabilityclassification UL94. Insulation to cover slip couplings mustbe field provided.

• Supply and return risers are of type “L” copper innominal 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2" diameters with3/4" factory installed, closed cell flexible foam insulation.

• Drain risers are available in PVC or type “L” copper(insulation included), in nominal 3/4" or 1-1/4" diameter.

• Optional 1/2" closed cell insulation is available forsupply, return, and drain risers.

• Optional M or K type copper is available with closedcell insulation.

Note:When risers are factory-mounted on master-slave units, themaster unit is shipped with the riser attached. This riser willhave 3" stubs that match up to the slave unit. The slaveunit will not have ball valves attached to the valve package.See Page 22 for master-slave riser locations. Ball valves, ifrequired, must be purchased separately and will ship loosefor field mounting. See IM 283 for additional information.

High performance coilsTwo-pipe system units have a standard cooling/heating coil.Four-pipe system units have a standard cooling coil and a onerow heating coil. All coils are seamless copper tubes in astaggered pattern and feature the patented HI-F rippled andcorrugated aluminum fins for high heat transfer efficiency. Fulldepth collars are drawn in the fin stock for accurate control of finspacing and completely cover the copper tubes to lengthen coillife. Copper tubes are mechanically expanded into the fin collarsto provide a positive primary to secondary surface bond. Manualair vents on coils are provided. Ball valves on supply and returnlines are provided at the coil on S10 and S12 models. Coils arepositioned for rapid condensate drainage, balanced airflow andfull rated capacity. Unit capacities are ARI certified.

Factory-installed valve packages and optionsMultiple configurations of two- and three-way motorizedvalves are available as described below, without or withoutunions. Ball hand valves and flow metering devices are alsoavailable.

• Standard high voltage valve package 115–277v(includes 2 or 3-way motorized On/Off valve and shut-offvalves for supply and return)

• Deluxe high voltage valve package 115–277v (includes 2or 3-way motorized On/Off valve, strainer, circuit setter,P/T ports, and shut-off valves)

• Optional 24v On/Off or modulating valves• Custom valve packages• Fixed flow control

• Stainless steel braided hoses

Fast, low-cost installationInstallation time is minimized by the unit's design, riser slipcouplings, and unit mounted controls. Units are completelyfactory assembled and wired and have individualthermostat controls. Risers are factory cut to 104" in lengthand insulated. Optional riser couplings are available.Installation is accomplished by simply stacking the unitsone above the other floor-by-floor, brazing the couplingsand risers together, and connecting the power. Only oneperson is required for installation because the slip couplingseliminate the requirement for perfect unit alignment with theswedged riser joints of other manufacturers.

Twin unitsTo reduce installed cost, two units of opposite hand on eachfloor can share a set of supply, return and drain risers.Individual thermostat control is retained by each unit. Unitscan be placed side-to-side, or side-to-back.

Catalog 770 /

Riser, Slip Coupling and Insulation

Optional Valve Package Components

Motorized Valve

Automaticchange-over

controlBall Valve

P/T Plug

“Y” Strainer

Flow ControlDevice

Insulation to cover slipcoupling (by others)

Motors115/60/1 and 277/60/1 motors are available. All motors are 3-speed permanent split capacitor type with sleeve bearings,oilers, resilient mounts and automatic reset internal overloadprotection.

Electric heatA specially designed, optional electric heat unit is availablefor supplementary heat between seasons or to provide fullelectric heating. All heaters are protected by automatic-reset,high-limit thermal cutouts. Service access to electric heatersis through the return air grille and access panel for unit sizesS03 through S08. It is through the discharge grille for unitsizes S10 and S12.

CoilsHigh-capacity, low-flow heating/cooling coils are standard.Separate heating coils are available for 4-pipe systems. Allcoils are furnished with manual air vents.

Cabinet closed cell insulationCabinets can be supplied fully insulated with 1/2" closed cellinsulation (1/2" multi-density glass fiber is standard).

Fresh air dampersA motorized, two-position fresh air damper kit is available forfield mounting in one of three locations. A manual fresh airdamper kit is also available. Outside fresh air must betempered before entering the unit if freezing conditions areexpected.

Return air grillesReturn air grille options include the standard stamped returnair grille or an optional bar type grille. Both grilles aremanufactured of heavy-gauge steel and coated with anelectrostatically applied baked-on Antique Ivory finish. Aplaster frame is standard to provide easy access for filterreplacement.

FiltersOne inch throwaway filters are standard.

Discharge arrangements and grillesTwo sizes of aluminum single deflection or double deflectiongrilles are available. Grilles may be field mounted on the panelopposite the riser and on one or both panels adjacent to therisers. A top discharge opening is also available.

Line-of-sight baffleA line-of-sight baffle is available for applications involving twoopposing discharge openings.

Electric Heat

Cooling Coil andStainless Steel

Drain Pan

Fresh Air Dampers

Discharge Grilles

Single Deflection

Double Deflection

DischargeArrangements

/ Catalog 770

Optional features and accessories

5. Both HiLine units can belocated away from anoutside wall to form acurtain cove, or built intoa room divider. It’s easyto conceal the units in acorner or build them intoa wall to serve two ormore rooms. And, ofcourse, the creativearchitect will think ofmany more applicationsfor this versatile unit.

Installing The HSS(Basic) Unit:

1. The McQuay HiLinebasic unit is simply liftedinto place directly abovethe unit on the floorbelow.

1. Unlike the basic unit, theKZZ unit allows installa-tion, leak testing andinsulation of the risersand stub-outs prior tounit placement.

Installing the KZZ*(Knock-down) Unit:

2. The bottom half of theunit is set in place, andthe supply, return anddrain risers are connec-ted to the unit along withthe power supply.

3. The top half of the unit isthen easily installed andthe factory suppled ther-mostat harness is con-nected.

4. Finishing the installationis the same with eitherthe standard HSS modelor the knock-down KZZmodel.

2. This unit has been set inplace, ready to acceptthe unit above.

3. Next, using factoryavailable slip couplings,connect the prefabri-cated supply, return anddrain risers together,connect the power, andyour basic installation iscompleted. Wall boardcan be applied directly tothe unit.

4. After the unit has been“furred-in” and the roompainted, it takes only afew minutes to attach thegrilles and wiring to thethermostat.

5. When the installation iscompleted, the unitblends in beautifully withthe surrounding decorand takes up a minimumof floor space.

*The “KZZ sectioned cabinet for room air conditioning unit” is covered under U.S. Patent No. 4,426,120.

Catalog 770 /

Piping systemsReverse Return Piping Systems - If possible, the same sizeHiLine units should be installed one above the other all theway up each stack in the building. This way, each unit in thestack requires the same amount of water. No balancing isrequired, because the loop of water from each unit travels thesame distance and has the same pressure drop.

Our experience indicates that the reverse return pipingsystem, Figure 1, is the most popular one because thesystem tends to be self-balancing. Only one express riser isrequired to gather the return water, at the top or bottom of thebuilding, and return it to the boiler or chiller.Direct Return Piping System - In the direct return pipingsystem, Figure 2, each unit must be individually balanced toobtain proper water flow through each unit.

Expansion and contractionProper allowance must be made for pipe expansion.Provisions have been designed into the HiLine unit to allowfor plus or minus 1" of riser movement. For riser systemswhere the movement exceeds ±1", provisions must beprovided in the riser system to restrict the movement. As arule of thumb, 100 feet of copper pipe will expand 1" whenexposed to a 100˚F temperature difference. See Figure 4 forthermal expansion of copper risers. The temperaturedifference is the difference between the temperature at whichthe piping is installed and the water temperature duringoperation. On a two-pipe system, this temperature differencebecomes even greater due to the change in watertemperature from cooling to heating.

One method of limiting riser expansion is by anchoringthe riser pipes at the center of the riser stack and allowing thepipes to expand away from the anchor point. Thus, a 200 ft.length would expand approximately 1" each way. Anothermethod is anchoring the riser pipes at the end and absorbingthe expansion with an expansion compensator. If anexpansion compensator is used, the pipe should be guided.In some situations, a combination of both methods may berequired. The risers must be secured at some point as theunits have not been designed to support the riser weight.

Number of floors per riserThe standard HiLine unit with service valves, expansionloops, etc., will operate at 250 PSI working pressure which isequivalent to a 35 to 40 story building.

Selection of riser pipingRiser piping should be selected based on economicconsiderations. Detailed information may be found in theASRHAE Handbook series. The guidelines offered in Figure 4are based on water velocity only. A water velocity of 2 FPS isconsidered to be the minimum requirement for entraining andcarrying air with water flow. Water velocities of over 8 FPSmay cause undue erosion of water pipe. Risers may be sizedon the highest water velocity that will not cause noise orerosion. We recommend that the water velocity in risers andunits fall within the range of 4 FPS to 6 FPS. Since HiLineunits have risers outside the unit cabinet and usually within apartition wall, noise should not be a problem. Riser sizesneed not be changed at every floor to accommodate flowchanges but may be carried at one size until water velocitiesfall outside the recommended ranges.

Contractor piping responsibilityFactory available copper riser couplings are non-stop type forease of installation. PVC couplings have stops. Fieldinstallation involves clamping the slip coupling in place andbrazing or sweat soldering it to the risers above and below.PVC couplings are field cemented to the drain risers.Reducing couplings, anchors and expansion compensators,if required, must be provided by the contractor.

Insulation to cover slip couplings must be field provided.Providing a good cement bond at the joints between the fieldinstalled insulation and the factory installed riser insulation isthe contractor's responsibility.

Fire stopFor building code compliance, a fire stop must be providedby the contractor in the riser opening between floors andbetween twin units serving adjacent rooms.

Application considerations

/ Catalog 770

Insulation limitationsUnder high humidity start-up conditions, care should betaken by utilizing a gradual pulldown to minimize sweating ofcabinet and/or risers.

Temperature controlA wide variety of fan and valve cycle control systems areoffered for McQuay HiLine units. Valve cycle control systemshave a higher first cost but offer significantly lower operatingcosts than fan cycle systems. Valve cycle control systemsprovide superior temperature control resulting in improvedoccupant comfort.

Both unit mounted and remote wall mountedthermostats are available. The 10K thermistor is positioned in

front of the filter and is provided with all units. The thermostatelectrical box is field adjustable for any wall thickness up to37/8". Direct sunlight falling on thermostats for either unit orremote mounted control applications should be avoided.

Twin unitsEquipment and installation costs can be significantly reducedby designing a floor layout involving twin units. Twin units, ofopposite hand, are placed side-to-side, or side-to-back andshare a common set of risers. Individual thermostat control isretained by each unit. Twin unit risers have two sets of stub-outs to accept piping from both units. A short link of fieldsupplied copper tubing may be required depending upon wallthickness between units.

Catalog 770 /

/ Catalog 770

Figure 3. Type “L” Copper Riser Pressure Drop

Figure 4. Thermal Expansion of Copper Risers

AREA OUTSIDE OF RECOMMENDED DESIGN RANGE.

WA

TE

R P

RE

SS

UR

E D

RO

P (

FT./

100

FT. O

F R

ISE

R)

WATER FLOW RATE (GPM)

System designThe achievement of an efficient fan coil system is dependentupon accurate system design and proper equipmentselection. Variations, limitations and control of fan coilsystems, design conditions and design load calculations arenot described in detail in this catalog. More detailedinformation may be found in the ASHRAE Handbook series.

Prior to selecting the individual unit sizes, the designengineer must fix or determine the following factors:1. Inside and outside wet and dry bulb temperatures. 2. Method of introducing the ventilation.3. Wet and dry bulb temperatures of the air mixture entering

the unit coil.4. Total and sensible heat gains and losses of the area to be

served.5. Properties of the heating and cooling mediums. 6. Available electric power service.7. Any special design requirements of the building or system.

Computer fan coil selectionThe capacity ratings presented in this catalog are providedfor initial unit selection only. Unit size selection should bedetermined by using the Rep Tools fan coil SelectionComputer Program. Water cooling and heating capacities,unit airflow, static pressure, electric heat, glycol solutions andjobsite elevation are all incorporated into the program toprovide the best possible selection. Consult yourrepresentative for a selection tailored to your application.

Unit sizes for the ideal system should be selected bycalculating the peak load requirements due to unusually highoccupancy or severe climatic conditions and with fanoperating at high speed. Ordinary day to day cooling andheating requirements are then achieved at low and mediumspeeds. Ventilation requirements should be considered alongwith the following to determine the proper unit size.

Cooling Coil Requirements - Having checked the minimumunit size to meet the ventilation requirement, the unit size isgenerally selected on the basis of matching the sensiblecooling capacity of the unit with the calculated requirementswhen operating at high speed.

The initial unit selection should be checked for air volumein the design system and the cooling capacities checked atthe actual operating conditions. While units selected on thebasis of sensible load will generally meet the total coolingload, total load should be checked in all cases.Coil Type - Standard low flow coils are available for all unitssizes to permit unit selections for optimum performance.

Low flow coils are designed to meet both the normalcooling and heating requirements while operating withreduced GPM and correspondingly higher water temperaturerises. Their use is enhanced by the lower first cost of bothriser piping and pump plus lower overall fan coil unit andwater pump operating cost.Heating Requirements - Heating requirements for two-pipesystems are generally met by employing the same water flowrate as cooling and adjusting the entering hot watertemperature to obtain a matching unit heat output at low fanspeed. Four-pipe systems are generally designed byspecifying a design hot water temperature and adjusting theflow rate through the separate heating coil to meet therequired heat load with the fan operating at low speed.

Maximum water temperature in coils should be limited to200˚F (160˚F for HSS sizes S10 and S12), and should beadjusted to reflect outside temperatures.

Electric heaters are available for primary year-roundheating or intermediate between-seasons heat loads for two-pipe systems when chilled water is in the system. Unitshaving top duct discharge and electric heat must have adischarge duct face area equal to or greater than the topduct opening.

HiLine selection data

Catalog 770 /

/ Catalog 770

ARI approved standard ratings

UNIT SIZECOOLING CAPACITY ➁

WATER FLOW (GPM) WATER FLOW P.D. (FT-WC)(TOTAL BTUH) (SENSIBLE BTUH)S03 11000 7200 2.3 14.6S04 17000 11400 3.5 44.7S06 23000 16100 4.7 28.8S08 28800 20600 6.0 44.1S10 39600 26600 8.2 29.7S12 44900 30400 9.3 39.6

Table 1. Low Flow Coil Water Cooling Capacity Ratings ➀

NOTES:➀ Rated in accordance with ARI Standard 440. Cooling capacities based on 80˚F DB/67˚F WB entering air, 45˚F entering water, 10˚F water temperature rise

and high fan speed. See Table 7 for air volume capacities.➁ For cooling coil capacity ratings at conditions other than that listed, refer to the Rep Tools computer selection program or consult your McQuay

representative.

UNIT SIZEHEATING CAPACITY ➁

WATER FLOW (GPM) WATER FLOW P.D. (FT-WC)(SENSIBLE BTUH)

S03 21776 2.2 9.8S04 27596 2.8 22.1S06 38932 3.9 15.5S08 48229 4.9 22.6S10 65287 6.6 14.5S12 77078 7.8 20.8

Table 2. Low Flow Coil Water Heating Capacity Ratings ➀

NOTES:➀ Water heating coils rated at 70˚ F DB entering air, 140˚F entering water, 20˚F water temperature drop and high fan speed.➁ For heating coil capacity ratings at conditions other that that listed refer to the Rep Tools computer selection program or consult your McQuay

representative.

UNIT SIZEHEATING CAPACITY ➁

WATER FLOW (GPM) WATER FLOW P.D. (FT-WC)(SENSIBLE BTUH)

S03 12206 1.2 1.6S04 16355 1.7 3.5S06 22086 2.2 7.3S08 25783 2.6 9.6S10 40258 4.1 27.9S12 46626 4.7 39.6

Table 3. Separate Hot Water Coil Water Heating Capacity Ratings ➀

NOTES:➀ Water heating coils rated at 70˚ F DB entering air, 140˚F entering water, 20˚F water temperature drop and high fan speed.➁ For heating coil capacity ratings at conditions other that that listed refer to the Rep Tools computer selection program or consult your McQuay

representative.

NOTES:Air volumes based on 115/60/1 electrical services, normal unit features and dry coils.Medium and low speed air volume based on unit performance in a system with tabulated external static pressure produced at high speed.

HSB UNIT SIZE SINGLE UNIT SINGLE UNIT TWO UNITS FOUR UNITS➀

NO PALLET WITH PALLET WITH PALLET WITH PALLETS03 155 205 380 720S04 160 210 390 740S06 175 225 420 800S08 180 230 430 820S10 256 306 585 1130S12 267 317 605 1180

Catalog 770 /

EXTERNAL STATIC PRESSURE (INCHES H20)UNIT0.00 0.05 0.10 0.15 0.20 0.25 0.30SIZE

HI MED LO HI MED LO HI MED LO HI MED LO HI MED LO HI MED LO HI MED LOS03 339 258 183 311 243 173 281 222 159 249 197 140 — — — — — — — — —S04 408 310 221 397 298 207 384 284 193 368 268 178 350 252 160 — — — — — —S06 609 519 422 588 499 404 565 479 383 539 456 360 512 429 315 — — — — — —S08 798 621 452 781 606 440 759 590 428 736 574 416 712 556 402 686 535 386 — — —S10 1020 800 646 1000 780 630 976 761 614 950 741 598 923 720 581 895 698 564 868 677 547S12 1220 972 778 1192 954 765 1164 932 755 1137 910 748 1109 887 745 1080 865 747 1050 840 753

Table 4. Air Volume versus External Static Pressure.

Technical data

MODEL NUMBERNOMINAL MOTOR DATA AT HIGH SPEED

RETURN AIR MAXIMUM DISCHARGE115/60/1 265/60/1FILTER SIZE GRILLE SIZEAMPS WATTS AMPS WATTS)

S03 0.65 70 0.40 70 133/4” x 187/8” x 1” 16 x 12S04 1.30 146 0.45 120 133/4” x 187/8” x 1” 16 x 12S06 1.60 195 0.70 200 133/4” x 187/8” x 1” 16 x 12S08 2.40 314 1.10 290 133/4” x 187/8” x 1” 16 x 12S10 3.60 350 1.30 350 (1) 24” x 24” x 1” 24 x 14S12 4.80 498 2.10 500 (1) 24” x 24” x 1” 24 x 14

Table 5. Motor and Physical Data.

Table 6. Approximate HSS Shipping Weights (Lbs.)

NOTES:➀ Standard shipping arrangement.

HKD UNIT SIZE SINGLE UNIT, NO PALLET TWO UNITS, w/PALLET OUR UNITS, WITH PALLET➀

S03 155 380 720S04 160 390 740S06 175 420 800S08 180 430 820

Table 7. Approximate KZZ (Knock-down Unit) Shipping Weights (Lbs.)

NOTES:➀ Standard shipping arrangement.

/ Catalog 770

120V/60/1 265/60/1

WATTS BTUH AMPS WATTS BTUH AMPS1000 3413 8.3 — — —

— — — — — —2000 6826 16.7 2000 6826 7.2

— — — — — —— — — 3000 10239 10.8

1000 3413 8.3 — — —— — — — — —

2000 6826 16.7 2000 6826 7.2— — — — — —— — — 3000 10239 10.8— — — — — —

1000 3413 8.3 — — —— — — — — —

2000 6826 16.7 2000 6828 7.2— — — — — —— — — 3000 10239 10.8— — — — — —— — — — — —— — — — — —

1000 3413 8.3 2000 6828 7.2— — — — — —

2000 6826 16.7 3000 10239 10.8— — — — — —— — — — — —— — — 6000 20748 21.6— — — — — —— — — — — —

2000 6826 16.7 3000 10239 10.8— — — 6000 20748 21.6— — — 8000 27304 28.8— — — — — —

2000 6826 16.7 3000 10239 10.8— — — 6000 20748 21.6— — — 8000 27304 28.8— = — — — —

UNIT SIZE

S03

S04

S06

S08

S10

S12

Table 8. Electric Heat Data.

*Electric heat voltage must match motor voltage.

Thermostat Box Detail

Catalog 770 /

NEUTRAL HAND UNIT SHOWN.Hand of unit determined by facing return air opening.

Risers on right = Right hand of unit.Risers on left = Left hand of unit.Risers on back = Neutral unit.

Dimensional data (inches)Model KZZ (Knock-down Unit) Unit Sizes S03 Thru S08 (300 thru 800 cfm)

ALL DIMENSIONS APPROXIMATE.CERTIFIED DRAWINGSAVAILABLE UPON REQUEST.

RISER 3/4 1 11/4 11/2 2 21/2

A 31/2 4 4 41/2 5 51/2

(TWO PIPE) B 131/2 14 14 141/2 15 151/2

(FOUR PIPE) B 17 171/2 171/2 18 181/2 19

Recommended Riser Hole Size in Floor (inches)

FIELD RISER LOCATION AND DISCHARGE OPENINGS: SEE PAGE 19 FOR DETAIL.

NOTES:(1) With return air grille mounted on unit, dimension becomes 23/8".(2) Fire Stop: If required, must be provided by contractor.

Mud ring can be mountedvertically or horizontally.Opening is 2" x 4".


/ Catalog 770

RIGHT HAND UNIT SHOWN.Hand of unit determined by facing return air opening.


Dimensional data (inches)Model HSS (Basic Unit) Unit Sizes S03 Thru S08 (300 thru 800 cfm)




RISER 3/4 1 11/4 11/2 2 21/2

A 31/2 4 4 41/2 5 51/2

(TWO PIPE) B 131/2 14 14 141/2 15 151/2

(FOUR PIPE) B 17 171/2 171/2 18 181/2 19



Catalog 770 /

Riser Location — HSS and KZZ Unit Sizes S03 Thru S08 (300 thru 800 cfm)

1 2 3 4 REPRESENT AIR DISCHARGE POSITIONS DETERMINED BY FACING RETURN AIR OPENING.

DISCHARGE OPENINGSWITH ONE OPENING ONLY, LOCATIONS 1 2 3 4 SHOULD BE 16" x 12".

WITH TWO OR MORE OPENINGS, LOCATIONS 1 2 3 4 SHOULD BE 16" x 6".

/ Catalog 770


RIGHT HAND UNIT SHOWN.Hand of unit determined by facing return air opening.


Dimensional data (inches)Model HSS (Basic Unit) Unit Sizes S10 Thru S12 (1000 thru 1200 cfm)




RISER 3/4 1 11/4 11/2 2 21/2

A 31/2 4 4 41/2 5 51/2

(TWO PIPE) B 131/2 14 14 141/2 15 151/2

(FOUR PIPE) B 17 171/2 171/2 18 181/2 19



Catalog 770 /

Riser Location — HSS Unit Sizes S10 and S12 (1000 thru 1200 cfm)

1 2 3 4 REPRESENT AIR DISCHARGE POSITIONS DETERMINED BY FACING RETURN AIR OPENING.

DISCHARGE OPENINGS

WITH ONE OPENING ONLY, LOCATIONS 1 3 SHOULD BE 24" x 14"; LOCATIONS 2 4 SHOULD BE 16" x 14".

WITH TWO OR MORE OPENINGS, LOCATIONS 1 2 SHOULD BE 24" x 8"; ; LOCATIONS 3 4 SHOULD BE 16" x 12".

/ Catalog 770

Riser Location for Master-Slave Units

Master units ship with risers attached to theunit. These risers have 3” stub-out’s to matchwith our slave unit piping.

Slave units do not have ball valves attached tothe valve package. Ball valves must bepurchased separately for field installation (seeIM 283-8).

= Return Air = Discharge Air

Right Hand Master

Right Hand Slave

Left Hand Master

Left Hand Slave

NeutralMaster

NeutralSlave

Typical Fan Cycle Control System Wiring Diagrams

Figure 5. 2-Pipe

Figure 6.4-Pipe

/ Catalog 770

Figure 7.

2-Pipe With 1Circuit Electric Heat

Figure 8. 4-Pipe With 2 Circuit Electric Heat

Catalog 770 /

Engineering guide specificationsModel HSS (Basic Unit) Unit Sizes S03 thru S08 (300 thru 800 cfm)

Furnish and install where shown on plans McQuay low cfm design HiLine – units. Unit sizes, performance and equipmentshall be as tabulated in the schedule. Unit performance shall be substantiated by computer generated output data.

UNIT CONFIGURATION - Unit shall be (two-pipe)(four-pipe) system blow-through configuration with completely removablechassis. Filter, fan assembly, drain line and motor shall be accessible by removing the return air grille panel. Internal controls,service valves, drain pan and coil shall be accessible by removing the access and sound baffle panel. Hand of unit shall betabulated in the schedule.

CABINET - Cabinet shall be fabricated of heavy-gauge galvanized steel and fully insulated with 1/2" multi-density glass fiber.An insulated galvanized steel access and sound baffle panel shall completely enclose the coil section. The return air grillepanel shall be heavy-gauge steel with a stamped (bar type) grille and electrostatically applied baked semi-gloss finish andextend 5/8" in front of unit face.

PLASTER FRAME - A plaster frame shall be provided to hold the return air grille panel away from the wall when the unit isfurred in. A snap-on return air grille panel shall be provided with the plaster frame.

COILS - Units shall be ARI certified with standard low flow heating/cooling coils in two-pipe systems, or, standard low flowcooling coil plus one-row heating coil in four-pipe systems. All coils shall be seamless copper tubes in a staggered patternwith rippled and corrugated aluminum fins. Tubes shall be mechanically expanded into the fin collars for positive fin-to-tubebond. Coils shall have manual air vents. Internal piping shall allow for vertical riser expansion of ±1". Coil performance shallbe as tabulated in the schedule. Coil shall be positioned to provide positive condensate drainage.

FAN ASSEMBLY - Unit sizes S03 and S04: Fan housings shall be two-piece with integral scroll and inlets. Fan wheels shallbe DWDI forward curved centrifugal direct drive type.

Unit sizes S06 and S08: Fan housings shall be painted steel with integral scroll and separate inlets. Fan wheels shall bepainted steel DWDI forward curved centrifugal direct type.

All fan wheels shall be statically and dynamically balanced.

MOTORS - Motors shall be permanent split capacitor type (115/60/1) (277/60/1) with sleeve bearings, oilers, inherent thermaloverload protection with automatic reset and resilient mounts.

DRAIN PAN - Drain pan shall be galvanized steel with drain line and closed cell insulation on the external surface to preventcondensation.

SUPPLY & RETURN RISERS - Supply and return risers shall be type “L” copper (optional copper types and diameters shallbe as tabulated in the schedule), with 3/4" closed cell flexible foam insulation, factory installed ball valves on risers. Slipcouplings shall be factory available for field connection. Insulation shall meet or exceed current flammability classificationUL94.

DRAIN RISER - Drain riser shall be PVC. (Optional copper types and diameters shall be as tabulated in the schedule). Stoptype couplings shall be factory available for field connection.

CONTROL SYSTEMS - A variety of thermostats, unit or wall mounted, shall be offered to control all different options for fanand valve cycling. For unit mounted thermostats all wiring shall be provided to the control box for easy field installation(optional Molex connections shall be available upon request). A 10K thermistor shall be mounted in all units. The 10Kthermistor shall be used for factory provided thermostats or for field provided controls. The thermostat electrical box shall beadjustable for any wall thickness up to 3-7/8" and a 1/2" mud ring shall be provided (an optional 5/8" mud ring shall be providedupon request).

FILTERS - Filters shall be nominal 1" thick throwaway.

DISCHARGE GRILLES (OPTIONAL) - Optional aluminum (single deflection)(double deflection) discharge grilles shall beprovided in sizes and positions as tabulated in the schedule.

LINE-OF-SIGHT BAFFLE (OPTIONAL) - An optional line-of-sight baffle shall be supplied as tabulated in the schedule.

FRESH AIR DAMPERS (OPTIONAL) - Two-position (motorized)(manual) fresh air damper shall be factory available astabulated in the schedule.

ELECTRIC HEAT (OPTIONAL) - Electric heating elements and controls shall be completely installed, wired and enclosed atthe factory. Heating element shall be fully protected by a high limit cut-out with automatic reset.

/ Catalog 770

OPTIONAL CONTROLS & VALVES - Valve cycle control systems for two-pipe and four-pipe systems, two-way or three-waymotorized valves and other combinations of ball valves and automatic flow metering devices shall be installed as tabulated inthe schedule.

TWIN UNITS (OPTIONAL) - Twin unit configuration, as tabulated, shall be such that two adjacent room units will be piped toa single set of risers and will operate with separate controls on each unit.

Unit Sizes S10 & S12 (1000 thru 1200 cfm)

Furnish and install where shown on plans McQuay high cfm design HiLine Fan Coil units. Unit sizes, performance andequipment shall be as tabulated in the schedule. Unit performance shall be substantiated by computer generated output data.

UNIT CONFIGURATION - Unit shall be (two-pipe)(four-pipe) system draw-through configuration. Filter, drain line and drainpan shall be accessible by removing the return air grille panel. Controls, service valves, coil, motor and fan assembly shall beaccessible by removing the inner sound baffle panel. Hand of unit shall be as tabulated in the schedule.

CABINET - Cabinet shall be fabricated of heavy-gauge galvanized steel and fully insulated with 1/2" multi-density glass fiber.An insulated galvanized steel access and sound baffle panel shall completely enclose the internal controls and fan assemblysection. The return air grille panel shall be heavy-gauge steel with a stamped (bar type) grille and electrostatically appliedbaked semi-gloss finish and extend

5/8" in front of unit face.


COILS - Units shall be ARI certified with standard low flow heating/cooling coils in two-pipe systems, or, standard low flowcooling coil plus one-row heating coil in four-pipe systems. All coils shall be seamless copper tubes in a staggered patternwith rippled and corrugated aluminum fins. Tubes shall be mechanically expanded into the fin collars for positive fin-to-tubebond. Coils shall have manual air vents and ball valves on the supply and return lines. Internal piping shall allow for verticalriser expansion of ±1". Coil performance shall be as tabulated in the schedule. Coil shall be positioned to provide positivecondensate drainage.

FAN ASSEMBLY - Fans shall be DWDI forward curved centrifugal, direct drive type and statically and dynamically balanced.Fan housings shall be painted steel with integral scroll and inlets.

MOTORS - Motors shall be permanent split capacitor type (115/60/1)(265/277/60/1) with sleeve bearings, oilers, inherentthermal overload protection with automatic reset and resilient mounts.

DRAIN PAN - Drain pan shall be galvanized steel and easily accessible.

SUPPLY & RETURN RISERS - Supply and return risers shall be type “L” copper (optional copper types and diameters shallbe as tabulated in the schedule), with 3/4" closed cell flexible foam insulation factory installed. Non-stop slip couplings shallbe factory available for field connection. Insulation shall meet or exceed current flammability classification UL94.

DRAIN RISERS - Drain risers shall be PVC (optional copper types and diameters shall be as tabulated in the schedule).Couplings shall be factory available for field connection.


FILTERS - Filters shall be nominal one-inch thick throwaway.





TWIN UNITS (OPTIONAL) - Twin unit configuration, opposite hand only, as tabulated, shall be such that two adjacent roomunits will be piped to a single set of risers and will operate with separate controls on each unit.

Catalog 770 /

/ Catalog 770

Model KZZ (Knock-down Unit) Unit Sizes S03 Thru S08 (300 Thru 800 cfm)

Furnish and install where shown on plans McQuay knock-down HiLine Fan Coil units. Unit sizes, performance and equipmentshall be as tabulated in the schedule. Unit performance shall be substantiated by computer generated output data.

UNIT CONFIGURATION - Unit shall be (two-pipe)(four-pipe) system blow-through configuration with completely removablechassis. Filter, fan assembly, drain line and motor shall be accessible by removing the return air grille panel. Internal controls,service valves, drain pan and coil shall be accessible by removing the access and sound baffle panel. Hand of unit shall beas tabulated in the schedule.

CABINET - Cabinet shall be fabricated of heavy-gauge galvanized steel and fully insulated with 1/2" multi-density glass fiber.An insulated galvanized steel access and sound baffle panel shall completely enclose the coil section. The return air grillepanel shall be heavy-gauge steel with a stamped (bar type) grille and electrostatically applied baked semi-gloss finish andextend

5/8" in front of unit face.


COILS - Units shall be ARI certified with standard low flow heating/cooling coils in two-pipe systems, or, standard low flowcooling coil plus one-row heating coil in four-pipe systems. All coils shall be seamless copper tubes in a staggered patternwith rippled and corrugated aluminum fins. Tubes shall be mechanically expanded into the fin collars for positive fin-to-tubebond. Coils shall have manual air vents. Internal piping shall allow for vertical riser expansion of ±1". Coil performance shallbe as tabulated in the schedule. Coil shall be positioned to provide positive condensate drainage.

FAN ASSEMBLY - Unit sizes S03 and S08: Fan housings shall be two-piece with integral scroll and inlets. Fan wheels shallbe DWDI forward curved centrifugal direct drive type.

Unit sizes S06 and S08: Fan housings shall be painted steel with integral scroll and separate inlets. Fan wheels shall bepainted steel DWDI forward curved centrifugal direct type.

All fan wheels shall be statically and dynamically balanced.

MOTORS - Motors shall be permanent split capacitor type (115/60/1) (277/60/1) with sleeve bearings, oilers, inherent thermaloverload protection with automatic reset and resilient mounts.

DRAIN PAN - Drain pan shall be galvanized steel with drain line and closed cell insulation on the external surface to preventcondensation.

SUPPLY & RETURN RISERS - Supply and return risers are to be (field supplied)(factory supplied) and field installed. Riserscan be installed prior to unit placement.

DRAIN RISER - Drain risers are to be (field supplied)(factory supplied) and field installed. Risers can be installed prior to unitplacement.


FILTERS - Filters shall be nominal one-inch thick throwaway.



FRESH AIR DAMPERS (OPTIONAL) - Two position (motorized)(manual) fresh air damper shall be factory available astabulated in the schedule.



TWIN UNITS (OPTIONAL) - Twin unit configuration, opposite hand only, as tabulated, shall be such that two adjacent roomunits will be piped to a single set of risers and will operate with separate controls on each unit.

Total system capability.

ThinLine Fan Coils

Large Capacity Fan Coils

Unit Heaters

HiLineFan Coil

HorizontalVertical (Slope Top)

Cabinet

Hideaway

©2006 McQuay International • www.mcquay.com • 800-432-1342 (1-06)

Vertical Unit HeaterHorizontal Unit Heater

®

Warranty

All McQuay equipment is sold pursuant to its standard terms and conditions of sale, including LimitedProduct Warranty. Consult your local McQuay Representative for warranty details. Refer to Form 933-43285Y. To find your local McQuay Representative, go to www.mcquay.com.

This document contains the most current product information as of this printing. For the most up-to-dateproduct information, please go to www.mcquay.com.

Products Manufactured in an ISO Certified Facility.

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