Carrier AQUAZONE 50PSH Instruction Manual

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

10VERTICAL UNITS (50PSV, PSD) — Each unit uses a con-densate hose inside all cabinets as a trapping loop, therefore anexternal trap is not necessary.

11recommendations to maintain water quality within the pub-lished limits.GROUND-LOOP APPLICATIONS — Temperatures be-tween 25 and 110 F and a cool

12Table 2 — Water Quality GuidelinesLEGEND*Heat exchanger materials considered are copper, cupronickel, 304 SS(stainless steel), 316 SS, titanium.†Clo

13NOTE: When anti-freeze is used in the loop, assure that it iscompatible with Teflon tape or pipe joint compound employed.Maximum allowable torque fo

14YELBLUSEENOTE 7GRY BRNBRCBRED 208V BRN (265)ORG 240VBLK COMNOTE 3TRANSBRNBRNYEL*REDMVCCBRBRGCCGCCSEENOTE 7P2YELCRTESTPINSYSEE NOTE 5TYPICALT-STATYEL

15SEE NOTE 6 FORDRY CONTACTFOR ALARMSEENOTE 7ALARMRELAYYELBLUP1BRNBRNREDREDYY2OGRCXICOMPR 1 STAGECOMPR 2 STAGECOOLINGFAN24 VACCOMMONALARMYELORGGRYREDB

16COMPRESSOR SOUND STAGESOLENOIDTWO STAGE UNITS ONLYBLUYELBLUCBSEE NOTE 7NOTE 3TRANSCOMPRESSORRELAYCCCCGYELBRNBRNCCMVSEE NOTE 7OPTIONALINTERNALPUMP208

17Complete CPOWER SUPPLYREFER TO DATA PLATEUSE COPPERCONDUCTORS ONLYCONTROL BOX LAYOUTBM (ECM)G/YBLKYELCOMPRBLKREDBLUBLUYELPUMPOPTIONALINTERNALPUMP265

18Deluxe DHPLOCFP1FP2RVSCOSEE NOTE 4S2DIP SWITCHPACKAGECOMPRRELAYCC24VDCEH1EH2P6CCGTESTPINSSEENOTE 4LOWLOWS1DIP SWITCHPACKAGEN.O.JW3FP1JW2FP2JW1LPALAR

19LEGEND*Optional Wiring.AL — Alarm Relay ContactsASTAT — AquastatBM — Blower MotorBR — Blower RelayCB — Circuit BreakerCC — Compressor ContactorCO —

2SAFETY CONSIDERATIONSInstallation and servicing of air-conditioning equipment canbe hazardous due to system pressure and electrical compo-nents. Only

20WHSP-OPENFig. 21 — Units with Complete C and WSHP Open Multiple Protocol ControlsLEGENDBM — Blower MotorBR — Blower RelayCO — Condensate OverflowLWT

21WSHP-OPENLEGENDBM — Blower MotorCO — Condensate OverflowLWT — Leaving Water TemperatureN.C. — Normally ClosedOAD — Outside Air DamperOCC — Occupancy

22WSHP-OPENLEGENDCO — Condensate OverflowLWT — Leaving Water TemperatureN.C. — Normally ClosedOAD — Outside Air DamperOCC — Occupancy Input ContactRH

23WSHP-OPENA50-8353Fig. 24 — Units with Deluxe D, ECM and WSHP Open Multiple Protocol ControlsLEGENDCO — Condensate OverflowLWT — Leaving Water Temper

24012207-1BT485BTLED1DBInstall BT485 where device is located at the end of network segment only.+ 24vac(If not installed, it must be connected to DO-5

25Table 4 — 50PSH, PSV, PSD Standard PSC Motor and HWR Electrical Data LEGENDNOTE: Unit sizes 006-012 are not available on 50PSD units.50PSUNITSIZERAT

26Table 5 — 50PSH, PSV, PSD High-Static PSC Motor and HWR Electrical Data LEGENDNOTE: Unit sizes 006-012 are not available with PSC high-static motor

27Step 9 — Wire Field ControlsTHERMOSTAT CONNECTIONS — The thermostat shouldbe wired directly to the ECM control board. See Fig. 27.WATER FREEZE PROTE

28WSHP OPEN WIRING — The WSHP Open controller willbe factory mounted to the unit control panel and wired to theComplete C or Deluxe D control board, h

293. Wire each terminal on the sensor to the same terminal onthe controller. See Fig. 15-25. Table 10 shows the recom-mended Rnet wiring scheme.Table

3Table 1 — Physical Data — 50PSH, PSV, PSD018-070 UnitsLEGEND *Unit sizes 006-012 not available on 50PSD unit.NOTE: All units have spring compressor m

30DEHUMIDIFICATION MODE — The dehumidification modesetting provides field selection of humidity control. When oper-ating in the normal mode, the cooli

31Table 12 — PSC Blower Motor Performance Data LEGENDNOTES:1. Shaded areas denote ESP where operation is not recommended.2. Units

32PRE-START-UPSystem Checkout — When the installation is complete,follow the system checkout procedure outlined below beforestarting up the system. Be

33Heating/Cooling Thermostat Type — Switch 3 provides se-lection of thermostat type. Heat pump or heat/cool thermostatscan be selected. Select OFF for

34HWR APPLICATION CONSIDERATIONS — Unlikemost hot gas reheat options, the HWR option will operateover a wide range of entering-water temperatu

35Deluxe D Control Accessory Relay Configura-tions — The following accessory relay settings are applica-ble for Deluxe D control:CYCLE WITH FAN — In t

364. Check the temperature of both supply and dischargewater. Compare to Tables 20-30. If temperature is withinrange, proceed. If temperature is outsi

37Table 22 — 50PSH, PSV, PSD012 Typical Unit Operating Pressures and TemperaturesLEGENDTable 23 — 50PSH, PSV, PSD018 Typical Unit Operating Pressures

38Table 25 — 50PSH, PSV, PSD030 Typical Unit Operating Pressures and TemperaturesLEGENDTable 26 — 50PSH, PSV, PSD036 Typical Unit Operating Pressures

39Table 28 — 50PSH, PSV, PSD048 Typical Unit Operating Pressures and TemperaturesLEGENDTable 29 — 50PSH, PSV, PSD060 Typical Unit Operating Pressures

4Before installing any of the system components, be sure toexamine each pipe, fitting, and valve, and remove any dirt orforeign material found in or o

40Unit Start-Up with WSHP Open ControlsThe WSHP Open is a multi-protocol (default BACnet*) con-troller with extensive features, flexible options and p

41f. Press OK to apply and save to a particular day ofthe week.g. Continue to add the same or different schedule spe-cific days of the week.To add exc

42Calculate the total volume of fluid in the piping system. SeeTable 32. Use the percentage by volume in Table 33 to deter-mine the amount of antifree

43application, all compressor relays and related functions willoperate per their associated DIP switch 2 setting on S1.HEATING STAGE 3 — In Heating St

44NOTE: Scheduling can either be controlled via the unit or theBAS, but not both.INDOOR FAN — The indoor fan will operate in any one ofthree modes dep

45speed. Should this be insufficient, and the SAT rises furtherreaching the maximum heating SAT limit, the fan will beindexed to the maximum speed. If

46screen. The following conditions must be true for economizeroperation:• SAT reading is available.• LWT reading is available.• If occupied, the SPT i

47Table 35 — Complete C Control LED Code andFault DescriptionsLEGENDWSHP Open Test Mode — To enter WSHP Open testmode, navigate from the BACview6 home

48SERVICEPerform the procedures outlined below periodically, asindicated.Filters — Filters must be clean for maximum performance.Inspect filters every

49Checking System Charge — Units are shipped withfull operating charge. If recharging is necessary:1. Insert thermometer bulb in insulating rubber sle

5Fig. 2 — 50PSH Dimensional DataNOTES:1. Condensate is 3/4-in. FPT copper.2. Horizontal unit shipped with filter bracket only. This bracket should ber

50WSHP Open Controller — With the WSHP Open con-troller option, the 100 most recent alarms can be viewed usingthe BACview6 alarm status and alarm hist

51The bulb must be secured to the pipe using a copper strap.The use of heat transfer paste between the bulb and the pipewill also help ensure optimum

52See Tables 37-39 for additional troubleshootinginformation.Table 37 — ECM TroubleshootingIMPORTANT: Always recover the refrigerant from thesystem wi

53Fig. 40 — ECM Pin Connectorsa50-8448

54Stopped or Malfunctioned ECM Motor — Referto Fig. 41 to determine the possible cause of a stopped or mal-functioned ECM motor. Follow the instruct

55Moisture Check — To perform moisture check:• Check that connectors are orientated “down” (or as recom-mended by equipment manufacturer).• Arrange ha

56Table 39 — WSHP Troubleshooting (cont)LEGENDFAULT HEATING COOLING POSSIBLE CAUSE SOLUTIONCondensate Fault —Code 6X X Blocked drain Check for blockag

57Table 39 — WSHP Troubleshooting (cont)LEGENDFAULT HEATING COOLING POSSIBLE CAUSE SOLUTIONHigh Head Pressure X Reduced or no airflow inheatingCheck f

58APPENDIX A — WSHP OPEN SCREEN CONFIGURATIONLEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESEquipmentStatusOperating ModeNo Pas

59APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESUnitMaintenanceOperating Mod

6R - Configuration Right Return / Top Discharge - Top ViewL - Configuration Left Return / Top Discharge - Top View Right Return- Air Coil Opening - R

60APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORDLEVELEDITABLE RANGE DEFAULT NOTESConfigurationSet PointsOccupi

61APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESConfigurationUnitConfigurati

62APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESConfigurationServiceConfigur

63APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)LEGENDSCREEN NAME POINT NAMEPASSWORD LEVELEDITABLE RANGE DEFAULT NOTESConfigurationAlarmConfigurat

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

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

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

72' ServiceAccess Air Coil SideGFDKJL4 3 2 1 5 CAPTURSAir CoilCSPFrontBackFront-View BSPLeft Return Left View - Air Coil Opening Condensate3/4”

8Step 3 — Locate Unit — The following guidelinesshould be considered when choosing a location for a WSHP:• Units are for indoor use only.• Locate in a

9Preparation — The unit should be on the ground in a well litarea. Hung units should be taken down to ground level beforeconverting.Side to Back Disch