Carrier AQUAZONE 50PCH Instruction Manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

10Insulation is not required on loop water piping except wherethe piping runs through unheated areas or outside the buildingor when the loop water tem

11NOTES:1. Compressor and blower motor thermally protected internally.2. All wiring to the unit must comply with NEC and local codes.3. Transformer fo

12NOTES:1. Compressor thermally protected internally.2. All wiring to the unit must comply with NEC and local codes.3. Transformer is wired to 208-v R

13NOTES:1. Compressor thermally protected internally.2. All wiring to the unit must comply with NEC and local codes.3. Transformer is wired to 460-v B

14Fig. 16 — 50PCH,PCV Units with Complete C and LON Controller (460 V)Complete Ca50-8493LEGENDAL — Alarm Relay ContactsBM — Blower MotorBMC — Blower M

15Deluxe DNOTES:1. Compressor and blower motor thermally protected internally.2. All wiring to the unit must comply with NEC and local codes.3. Transf

16WHSP-OPENFSDFig. 18 — Units with Complete C and WSHP Open Multiple Protocol ControlsA50-8697LEGENDBM — Blower MotorBR — Blower RelayCO — Condensate

17WSHP-OPENFSDFig. 19 — Units with Deluxe D and WSHP Open Multiple Protocol ControlsA50-8698LEGENDBM — Blower MotorBR — Blower RelayCO — Condensate Ov

18012207-1BT485BTLED1DBInstall BT485 where device is located at the end of network segment only.+ 24vac(If not installed, it must be connected to DO-5

19Table 3 — 50PCH,PCV Unit Electrical DataLEGEND *Units using 460-v and ECM (electronically commutated motor), modulatingHWR (hot water reheat), and/o

2Improper installation, adjustment, alteration, service, mainte-nance, or use can cause explosion, fire, electrical shock or otherconditions which may

20Step 9 — Wire Field ControlsTHERMOSTAT CONNECTIONS — The thermostatshould be wired directly to the Aquazone™ control board. SeeFig. 13-20, an

21WSHP OPEN WIRING — The WSHP Open controller willbe factory wired to the Complete C or Deluxe D control board,however, the system wiring will need to

22Wiring a Supply Air Temperature (SAT) Sensor — TheSAT sensor is required for reheat applications.If the cable used to wire the SAT sensor to the con

23Table 9 — 50PCH,PCV Blower Performance — Standard UnitNOTES:1. Shaded areas denote ESP (external static pressure) where operation isnot recommended.

24FIELD SELECTABLE INPUTSJumpers and DIP (dual in-line package) switches on thecontrol board are used to customize unit operation and can beconfigured

25Table 11 — DIP Switch Block S2 — Accessory 1 Relay OptionsLEGENDNOTE: All other DIP switch combinations are invalid.Table 12 — DIP Switch Block S2 —

26Table 13 — Operating Limits — 50PCH,PCV UnitsLEGENDScroll Compressor Rotation — It is important tobe certain compressor is rotating in the proper di

27Table 15 — 50PC006 Typical Unit Operating Pressures and TemperaturesLEGEND*Based on 15% Methanol antifreeze solution.Table 16 — 50PC009 Typical Unit

28Table 18 — 50PC015 Typical Unit Operating Pressures and TemperaturesLEGEND*Based on 15% Methanol antifreeze solution.Table 19 — 50PC018 Typical Unit

29Table 21 — 50PC030 Typical Unit Operating Pressures and TemperaturesLEGEND*Based on 15% Methanol antifreeze solution.Table 22 — 50PC036 Typical Unit

3or an equivalent protective covering. Cap open ends of pipesstored on the jobsite. This precaution is especially important inareas where painting, pl

30Table 24 — 50PC048 Typical Unit Operating Pressures and TemperaturesLEGEND*Based on 15% Methanol antifreeze solution.Table 25 — 50PC060 Typical Unit

31To start-up a unit with WSHP Open controls:1. To plug in the BACview6 handheld display into a SPTsensor, point the two ears on the connector up and

32Flow Regulation — Flow regulation can be accom-plished by two methods. Most water control valves have a flowadjustment built into the valve. By meas

33the water loop. If an open type cooling tower is used continu-ously, chemical treatment and filtering will be necessary.Table 27 — Approximate Fluid

34optional CO2 IAQ (indoor air quality) sensor mounted in thespace can maximize the occupant comfort. The WSHP Opencontroller has its own hardware clo

35of capacity. Likewise, a 45-second delay is used when stagingdown.After a compressor is staged off, it may be restarted againafter a normal time-gua

36• The IAQ sensor reading is greater than the DCV startcontrol set point.The control has four user adjustable set points: DCV startcontrol set point,

37stage 2 followed by heating stage 2 then reduces capacity toheating stage 1. Operates for 1 minute per step.DEHUMIDIFICATION TEST — Tests dehu

38Table 31 — Aquazone Deluxe D Control Current LED Status and Alarm Relay OperationsLEGEND NOTES:1. If there is no fault in memory, the Fault LED will

39Air Coil Cleaning — Remove dirt and debris from evap-orator coil as required by condition of the coil. A 10% solutionof dishwasher detergent and wat

4FRIGHT RETURN STRAIGHT DISCHARGEFRONTLNOMRIGHT RETURNFRONTLEFT/STRAIGHTDISCHARGECSPBACKDISCHARGECONDENSATE3 / 4" FPT3.3"[83.8 MM]0.7"[

40Air Coil Fan Motor RemovalDisconnect motor power wires from motor terminals beforemotor is removed from unit.1. Shut off unit main power supply.2. L

41Table 32 — TroubleshootingLEGENDRV — Reversing ValveFAULT HEATING COOLING POSSIBLE CAUSE SOLUTIONMain Power Problems X X Green Status LED Off Check

42Table 32 — Troubleshooting (cont)LEGENDRV — Reversing ValveFAULT HEATING COOLING POSSIBLE CAUSE SOLUTIONOnly Compressor Runs X X Thermostat wiring C

43APPENDIX A — WSHP OPEN SCREEN CONFIGURATIONLEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESEquipmentStatusOperating ModeNo Pas

44APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESUnitMaintenanceOperating Mod

45APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORDLEVELEDITABLE RANGE DEFAULT NOTESConfigurationSet PointsOccupi

46APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESConfigurationUnitConfigurati

47APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESConfigurationServiceConfigur

48APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESConfigurationAlarmConfigurat

5AccessoryElectric Heat(if applicable)Filter AccessReturn LoopSupply LoopWater OutWater InIntegral hanger support-pre-attached in factoryField-supplie

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

CL-150PCH,PCVSTART-UP CHECKLISTCUSTOMER:___________________________ JOB NAME: _______________________________________MODEL NO.:_______________________

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

6ACCESS PANELSTOP VIEW-LEFT RETURNURSISOMETRICVIEWLEFT RETURN LEFT VIEW- AIR COIL OPENINGTCPOWER SUPPLY3/4" [19.1 MM] HVKNOCKOUTLOW VOLTAGE1/2&qu

7Step 3 — Locate Unit — The following guidelinesshould be considered when choosing a location for a WSHP:• Units are for indoor use only.• Locate in a

8Side to Back Discharge Conversion1. Remove screws to free the top and discharge panels. SeeFig. 5.2. Remove the access panel and set aside.3. Lift th

9Each unit must be installed with its own individual vent andmeans to flush or blow out the condensate drain line. Do not in-stall units with a common