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Compact Water Source Heat Pumps

2021 CarrierForm 50PC-15PD50 PCH, PCV 007-070 Compact Water Source Heat Pumpswith Puron Refrigerant (R-410A) Product DataAquazone Compact Water Source HeatPumps1/2 to 6 Nominal Tons2 Carrier s Aquazone WSHPs are an efficient, Compact solution for new construction and retrofit applicationsSingle-package horizontally and verti-cally mounted Water Source heatpumps (WSHPs) with Compact cabinetand standard features: Compact design allows for replace-ment of legacy WSHPs from Carrierand other manufacturers. Cabinet constructed of heavy gaugegalvanized steel to ensure long ser-vice life. interior panels feature an acousticalfiberglass lining for quiet operation. Large access panels for ease ofmaintenance and service. Suitable for boiler/tower loop appli-cations with standard operatingrange of 50 F to 100 F enteringwater temperature. Rotary (size 007-018) or scroll (size024-070) compressors.

Interior panels feature an acoustical fiberglass lining for quiet operation. ... among the highest ratings in the indus-try. High quality construction and ... •50-VA transformer (tapped to 230V for all 208V/230V units) •Factory labeled terminal strip ther-

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Transcription of Compact Water Source Heat Pumps

1 2021 CarrierForm 50PC-15PD50 PCH, PCV 007-070 Compact Water Source Heat Pumpswith Puron Refrigerant (R-410A) Product DataAquazone Compact Water Source HeatPumps1/2 to 6 Nominal Tons2 Carrier s Aquazone WSHPs are an efficient, Compact solution for new construction and retrofit applicationsSingle-package horizontally and verti-cally mounted Water Source heatpumps (WSHPs) with Compact cabinetand standard features: Compact design allows for replace-ment of legacy WSHPs from Carrierand other manufacturers. Cabinet constructed of heavy gaugegalvanized steel to ensure long ser-vice life. interior panels feature an acousticalfiberglass lining for quiet operation. Large access panels for ease ofmaintenance and service. Suitable for boiler/tower loop appli-cations with standard operatingrange of 50 F to 100 F enteringwater temperature. Rotary (size 007-018) or scroll (size024-070) compressors.

2 Double isolated compressor mount-ing for quiet operation Non-ozone depleting Puron refriger-ant (R-410A) Direct drive fan assembly withPermanent Split Capacity (PSC)motor for reliable operation. Factory installed unit protectionmodule (UPM) ensures reliable oper-ation and simplifies troubleshooting. Manufactured in an ISO 9001 certi-fied efficiencyAquazone WSHP units offer coolingEERs (energy efficiency ratios) and heating COPs (coefficientsof performance) to efficiencies stated are in accordancewith the latest edition of ISO/AHRI/ASHRAE/ISO 13256-1 and provideamong the highest ratings in the quality construction and testingAll units are manufactured to meetextensive quality control standards. Anautomated control system providescontinuous monitoring of each unit andperforms quality control checks asequipment progresses through the pro-duction process.

3 An automated end ofline run test verifies component func-tionality Units are produced in an ISO9001 production gage galvanized sheet metalcabinet construction designed withlarge access panels for easy mainte-nance and service. Cabinet interior sur-faces are lined with 1/2 in. thick, 11/2lb fiberglass insulation. Sheet metalsurfaces are treated for maximumcorrosion protection to provide resil-ience for long term vitality. Compactcabinet dimensions fit tight space lim-itations in both horizontal and Aquazone units include arotary compressor in sizes 007-018and a scroll compressor in size 024-070 units. Compressors are mountedon a double isolated system ( , fromthe cabinet) that maximizes vibrationisolation and minimizes transmission tothe unit refrigerant (R-410A) Puron refrigerant (R-410A) is anonchlorine based environmentallybalanced, non-ozone depleting refriger-ant.

4 Puron refrigerant characteristics,compared to R-22, have: Binary and near azeotropic mixtureof 50% R-32 and 50% R-125. Higher efficiencies (50 to 60%higher operating pressures). Virtually no glide. Unlike other alter-native refrigerants, the two compo-nents in Puron refrigerant havevi rtually the same leak , refrigerant can be added ifnecessary. Permanent split capacitor motors(PSC)The standard motor for all 50 PCmodel heat Pumps is a PSC motor. Forall models other than 575-volt units,the supplied motor has 3-speed tapsfor field adjustability. The 575V motorhas a single speed bracketsAll horizontal units come standard withhanging bracket kits for suspending theunit from field-supplied hanger kits include heavy duty steelbrackets and rubber grommets forsound and vibration isolation from thebuilding structure. Water connectionsAll Water connections are heavy dutybronze FPT fittings securely fastened tothe unit corner post.

5 This allows con-necting to a flexible hose kit withoutthe use of a backup wrench making foreasier, faster circuitAll units have a sealed refrigerant cir-cuit including a high-efficiency rotaryor scroll compressor. Simplified refrig-erant circuits provide easy mainte-nance, higher accuracy and excellentperformance. Also, standard are areversing valve (4-way valve), Water -to-refrigerant coaxial (tube-in-tube) coil,and enhanced aluminum fin/rifled cop-per tube air-to-refrigerant heatexchanger units have AHRI (Air-Condi-tioning, Heating, and RefrigerationInstitute)/ISO, NRTL (Nationally Rec-ognized Testing Lab), or CSA (Cana-dian Standards Association) labels andare factory tested under normal operat-ing conditions at nominal Water flowrates. Quality assurance is provided viatesting report cards shipped with eachunit to indicate specific unit perfor-mance under cooling and of contentsPageFeatures/Benefits.

6 2 Model Number Nomenclature .. 5 AHRI/ISO Capacity ratings .. 6 Physical Data .. 7 Options and Accessories .. 8 Dimensions .. 13 Performance Data .. 19 Electrical Data .. 24 Application Data .. 27 Control Sequence of Operation .. 31 Guide Specifications .. 363 Quiet operationAll 50PC units have a unique floatingbasepan; the compressor is mountedon a heavy steel plate which rests on ahigh density rubber pad on the base ofthe unit. In addition, compressors aremounted on rubber grommets. Thisdouble isolation is standard in all 50 PCunits preventing vibration and noisetransmission from the compressor tothe unit structure, resulting in excep-tionally quiet are fully insulated to reducenoise transmission, low speed blowersare used for quiet operation throughreduced outlet air velocities, and air-to-refrigerant coils are designed for lowerairflow coil face velocities. A mutepackage is also available for extremelynoise sensitive air coilAll units come standard with a coppertube, aluminum-fin air coil.

7 These aircoils employ lanced fin and rifled tub-ing for maximum heat transfer. Largeface areas result in lower face velocityreducing sound while ensuring highlatent heat removal for maximumdehumidification in the cooling expansion valveAll 50PC units are equipped with athermostatic expansion valve (TXV)metering device to ensure reliableoperation across a wide range of enter-ing air and Water flexibilityAirflow configurations for horizontalunits are available in patterns includingleft or right return or straight throughor end discharge. Horizontal units arefield convertible between straightthrough (left or right) discharge andend discharge. Vertical units are avail-able in left or right return with top dis-charge. Other combinations may beavailable as a special order. Standardwater temperature range between 50and 100 F offers maximum design flex-ibility for boiler/tower flow rates as low as gpm perton assist with selection from a variousrange of circulating Pumps .

8 Factory-installed options are offered to meetspecific design , reliable operationStandard safety features for the refrig-erant circuit include a high-pressureswitch, low-pressure sensor to detectrefrigerant loss. Equipment safety fea-tures include Water loop temperaturemonitoring, voltage protection, watercoil freeze protection, and standardelectronic condensate overflow shut-down. All safety features are tested andrun at the factory to assure properoperation of all components and components are carefully designedand selected for endurance, durability,and carefree day-to-day Aquazone unit is shipped to pro-vide internal and external equipmentprotection. Shipping supports areplaced under the blower housing. Inaddition, horizontal and vertical unitsare both mounted on oversized palletswith lag bolts for sturdiness and maxi-mum protection during of installationThe Aquazone unit is packaged forsimple low cost handling and requiresminimal installation.

9 All units are pre-wired and factory charged with refrig-erant. Horizontal units include factory-installed hanger isolation connections (FPT) and conden-sate drains (FPT) are anchored securelyto the unit maintenance andserviceabilityThe Aquazone WSHP units are con-structed to provide easy units allow easy access to the com-pressor section from 2 sides with largeremovable panels. Additional panelsallow access to the blower and controlbox blower housing assembly can beserviced without disconnectingductwork from the dedicated bloweraccess panel. Blower units come withpermanently lubricated bearings forworry-free performance. Blower inletrings allow blower wheel removal with-out having to remove the housing orductwork disconnection of the blowermotor and control box is easily accom-plished via quick disconnects on removal of the control box fromthe unit provides access to all refrigera-tion refrigeration circuit is easily testedand serviced through high and lowpressure ports integral to the refrigera-tion control flexibilityAll Aquazone Water Source heat pumpsfeature a factory installed and config-ured unit protection module (UPM),which regulates unit operation, fea-tures integrated safeties, and simplifiesunit UPM provides control of the unitcompressor, reversing valve, fan, safetyfeatures, waterside economizer and hotgas reheat control.

10 It also provides trou-bleshooting fault indication features and functions of theUPM include:Anti-short cycle timerProvides a minimum off time to preventthe unit from short cycling. The 5-minutetimer energizes when the compressor isdeenergized, resulting in a 5-minutedelay before the unit can be start relayProvides a random delay in energizingeach different WSHP unit. This optionminimizes peak electrical demandduring start-up from different operatingmodes or after building power controller has a unique randomstart delay ranging from 270 to 300seconds after power is applied to theboard. High and low pressure refrigerantprotectionSafeguards against unreliable unitoperation and prevents refrigerantfrom overflow sensorSensor is an electronic sensor mountedto the drain pan. When condensatepan liquid reaches an unacceptablelevel, the unit is automatically deacti-vated and placed in a lockout condi-tion.


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