Carrier AQUAZONE 50PCH- Manuals

6 ACCE SS PANEL S TOP VIEW-LEFT RETURN U R S I S OMETRIC VIEW LEFT RETURN LEFT VIEW - AIR COIL OPENING T C POWER S UPPLY 3 /4" [19.1 MM] HV KNOCKOUT LOW VOLTAGE 1/2" [12.7 MM] LV KNOCKOUT LOW VOLTAGE 1/2" [12.7 MM] LV KNOCKOUT CONDEN S ATE 3 /4" FPT FRONT-VIEW K 1.00 [25.4 MM] F J H ...

7 Step 3 — Locate Unit — The following guidelines should be considered when choosing a location for a WSHP:• Units are for indoor use only.• Locate in areas where ambient temperatures are between 40 F and 100 F and relative humidity is no greater than 75%. • Provide sufficient space for water, elect...

8 Side to Back Discharge Conversion 1. Remove screws to free the top and discharge panels. See Fig. 5. 2. Remove the access panel and set aside.3. Lift the discharge panel from side of unit and rotate it to back using care not to damage blower wiring. 4. Check blower wire routing and connections for...

9 Each unit must be installed with its own individual vent and means to flush or blow out the condensate drain line. Do not in- stall units with a common trap or vent.VENTING — Install a vent in the condensate line of any application that may allow dirt or air to collect in the line. Con- sider the ...

15 D elux e D NO TES : 1. Compressor a nd b lo w er moto r ther mally prote c ted inter nally . 2 . A ll wir ing t o th e u n it m u st co mply wit h NEC and local code s . 3 . T ra n sf or me r is wired t o 4 60-v BLK /RED lead f o r 4 60-3 -60 unit s . T rans- fo rm er is e nerg y limit ing or ma ...

16 WH S P-OPEN F S D Fig. 1 8 — Unit s wi th Comple te C a n d WS HP Ope n Mul tiple Protoc ol C o nt rols A50-8697 LEGEND BM — Blo w e r Motor BR — Bl o w e r Rela y CO — Cond ensate Ov erflo w FSD — F ir e S m ok e D e te ct o r LW T — Lea ving W a ter T e mper ature N.C . — Nor m ally Closed OA D...

18 01220 7- 1 B T 4 8 5BT LED 1 DB In s t a ll B T 4 8 5 where de vi ce i s loc a ted a t the en d o f n e twork s eg me nt o n ly . + 24 v a c (If n o t in s t a lled , it m us t b e con nect ed to DO-5) DE HUMIDIFY OUTP U T CO NTA C T (D O-6) (F A C TORY O P TION ) FA N S PE ED (DO -7 ) (M ED OR L...

19 Table 3 — 50PCH,PCV Unit Electrical Data LEGEND *Units using 460-v and ECM (electronically commutated motor), modulatingHWR (hot water reheat), and/or internal secondary pump will require a neutralwire from the supply side in order to feed accessory with 265-v.NOTES: 1. HACR circuit breaker in U....

20 Step 9 — Wire Field Controls THERMOSTAT CONNECTIONS — The thermostat should be wired directly to the Aquazone™ control board. See Fig. 13-20, and 22. WATER FREEZE PROTECTION — The Aquazone control allows the field selection of source fluid freeze protection points through jumpers. The factory set...

21 WSHP OPEN WIRING — The WSHP Open controller will be factory wired to the Complete C or Deluxe D control board, however, the system wiring will need to be completed utilizing WSHP Open controller wiring diagrams and the Third Party Integration (TPI) Guide. Factory installation includes harness, LW...

22 Wiring a Supply Air Temperature (SAT) Sensor — The SAT sensor is required for reheat applications. If the cable used to wire the SAT sensor to the controller will be less than 100 ft, an unshielded 22 AWG (American Wire Gage) cable should be used. If the cable will be greater than 100 ft, a shiel...

25 Table 11 — DIP Switch Block S2 — Accessory 1 Relay Options LEGEND NOTE: All other DIP switch combinations are invalid. Table 12 — DIP Switch Block S2 — Accessory 2 Relay Options LEGEND NOTE: All other switch combinations are invalid. Auto Dehumidification Mode or High Fan Mode — Switch 7 provides...

26 Table 13 — Operating Limits — 50PCH,PCV Units LEGEND Scroll Compressor Rotation — It is important to be certain compressor is rotating in the proper direction. To determine whether or not compressor is rotating in the prop- er direction: 1. Connect service gages to suction and discharge pressure ...

31 To start-up a unit with WSHP Open controls: 1. To plug in the BAC view 6 handheld display into a SPT sensor, point the two ears on the connector up and tilt the bottom of the plug toward you. Insert the plug up into the SPT sensor while pushing the bottom of the plug away from you. 2. BAC view 6 ...

32 Flow Regulation — Flow regulation can be accom- plished by two methods. Most water control valves have a flow adjustment built into the valve. By measuring the pressure drop through the unit heat exchanger, the flow rate can be deter- mined. See Table 26. Adjust the water control valve until the ...

33 the water loop. If an open type cooling tower is used continu- ously, chemical treatment and filtering will be necessary. Table 27 — Approximate Fluid Volume (gal.) per 100 Ft of Pipe LEGEND NOTE: Volume of heat exchanger is approximately 1.0 gallon. Table 28 — Antifreeze Percentages by Volume OP...

36 • The IAQ sensor reading is greater than the DCV start control set point.The control has four user adjustable set points: DCV start control set point, DCV maximum control set point, minimum damper position, and DCV maximum damper position.Two-Position OA Damper — The control can be configured to ...

37 stage 2 followed by heating stage 2 then reduces capacity to heating stage 1. Operates for 1 minute per step.DEHUMIDIFICATION TEST — Tests dehumidification mode. Operates for 2 minutes.AUXILIARY HEATING TEST — Tests auxiliary heat. Sequences fan on and enables heating coil for 1 minute.H 2 O ECON...

40 Air Coil Fan Motor Removal Disconnect motor power wires from motor terminals before motor is removed from unit. 1. Shut off unit main power supply.2. Loosen bolts on mounting bracket so that fan belt can be removed. 3. Loosen and remove the 2 motor mounting bracket bolts on left side of bracket. ...

41 Table 32 — Troubleshooting LEGEND RV — Reversing Valve FAULT HEATING COOLING POSSIBLE CAUSE SOLUTION Main Power Problems X X Green Status LED Off Check line voltage circuit breaker and disconnect. Check for line voltage between L1 and L2 on the contactor. Check for 24 vac between R and C on contr...

43 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION LEGEND SCREEN NAME POINT NAME PASSWORD LEVEL EDITABLE RANGE DEFAULT NOTES Equipment Status Operating Mode No Password Required Off, Fan Only, Economize, Cooling, Heating, Cont Fan, Test, Start Delay, Dehumidify Displays unit operating mode SPT F Display...

44 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PASSWORD LEVEL EDITABLE RANGE DEFAULT NOTES Unit Maintenance Operating Mode No Password required Off, Fan Only,Economize, Cooling, Heating, Cont Fan, Test, Start Delay, Dehumidify Displays unit operating mode Fan Ope...

46 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PASSWORD LEVEL EDITABLE RANGE DEFAULT NOTES Configuration Unit Configuration Fan Mode Admin Password level access only X Auto/Continuous/ Always On Continuous Auto= Intermittant operation during both occupied and uno...

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53500094-01 Printed in U.S.A. Form 50PC-3SI CL-2 5-11A 3-11 Replaces: 50PC-2SI Copyright 2011 Carrier Corporation - - - - - - - - - - - - ...