Page 3 - Table 1 — 50PCH,PCV Unit Physical Data; CAUTION
3 or an equivalent protective covering. Cap open ends of pipes stored on the jobsite. This precaution is especially important in areas where painting, plastering, or spraying of fireproof mate- rial, etc. is not yet complete. Foreign material that accumulates within the units can prevent proper star...
Page 4 - Fig. 1 — 50PCH Unit Dimensions; UNIT HANGER DETAIL
4 50PCH015-060 UNITS NOTES: 1. While clear access to all removable panels is not required, installer should take care to comply with all building codes and allow adequate clearancefor future field service. 2. Horizontal units shipped with filter bracket only. This bracket should be removed for retur...
Page 5 - Fig. 2 — Typical Installation — 50PCH Units; UNIT HANGER ISOLATION DETAIL
5 Fig. 2 — Typical Installation — 50PCH Units UNIT HANGER ISOLATION DETAIL
Page 6 - Fig. 3 — 50PCV Unit Dimensions
6 50PCV015-060 UNITS NOTES: 1. While clear access to all removable panels is not required, installer should take care tocomply with all building codes and allow adequate clearance for future field service. 2. Front and side access is preferred for service access. However, all components may beservic...
Page 7 - Step 3 — Locate Unit —; Fig. 4 — Typical Vertical Installation —
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...
Page 8 - Fig. 7 — Horizontal Hanger Bracket; COMPRE; Fig. 8 — 50PCV Units Mounted with
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...
Page 9 - Step 7 — Pipe Connections —; Table 2 — Metal Hose Minimum Bend Radii; Vent; Fig. 11 — Vertical Condensate Connection
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 ...
Page 11 - omplet
11 N O TES: 1. C o mpressor and b lo w er mot o r ther ma lly p rot ected in te rnall y. 2. All wir in g to t he unit m u st co mply with NEC and lo c a l cod e s . 3. T ransf o rm er f o r 208/ 230 v w ill b e con necte d fo r 208 v op er at ion . F o r 230 v oper at ion, s wit ch RE D wire to ORG ...
Page 16 - WH
16 Fig. 18 — Unit s wi th C o mple te C a n d WSHP Ope n Mul tiple Prot oc ol C o nt rol s WH S P-OPEN A50-8355 LEGEND BM — Blo w er Motor BR — Bl o w er Rela y CO — Condensate Ov erflo w LW T — Lea ving W a ter T e mp er ature N.C. — Nor m ally Clo s ed OA D — Outside Air Damper OC C — Occupancy In...
Page 20 - Fig
20 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 n ect e d to DO-5) D E HUMIDIFY OUTP U T C O NTA CT (D O-6) (F A C TORY O P TION ) FA N S PE ED (DO -7 ) (M ED O...
Page 22 - Step 9 — Wire Field Controls; only; NOTE: Low voltage connector may be removed for easy installation.; TERMINAL STRIP P2; THERMO
22 Step 9 — Wire Field Controls THERMOSTAT CONNECTIONS — The thermostat should be wired directly to the Aquazone™ control board. See Fig. 13-22, and 24. WATER FREEZE PROTECTION — The Aquazone control allows the field selection of source fluid freeze protection points through jumpers. The factory set...
Page 23 - view; WARNING; OUTER JACKET
23 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...
Page 24 - System Checkout —; CONNECT THE BLUE WIRE TO:; Fig. 30 — Blower Speed Selection
24 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...
Page 25 - REHEAT EXTERNAL STATIC PRESSURE (ESP) LOSS
25 Table 8 — 50PCV Blower Performance with Hot Water Reheat (HWR) Option NOTE: For 50PCV units with HWR, calculate coil face velocity of the enteringair. Find the external static pressure loss for the reheat application. This lossincludes the wet coil loss. Table 9 — 50PCV Blower Performance with We...
Page 27 - Operating Limits; When the disconnect switch is closed, high voltage is
27 Table 12 — DIP Switch Block S2 — Accessory 1 Relay Options LEGEND NOTE: All other DIP switch combinations are invalid. Table 13 — 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...
Page 28 - Table 14 — Operating Limits — 50PCH,PCV Units; Scroll Compressor Rotation —; Table 15 — Water Temperature Change; Dry Bulb
28 Table 14 — 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 ...
Page 31 - Display Interface
31 Unit Start-Up Heating Mode NOTE: Operate the unit in heating cycle after checking the cooling cycle. Allow 5 minutes between tests for the pressure or reversing valve to equalize. 1. Turn thermostat to lowest setting and set thermostat switch to HEAT position. 2. Slowly turn the thermostat to a h...
Page 32 - Flow Regulation —; Table 23 — Coaxial Water Pressure Drop
32 • The condenser water limit needs to be verified depending on design parameters and application, whether geothermal or boiler/tower. 7. To view unit configuration settings: a. Select the Unit Configuration softkey, then select Unit. b. Scroll through the unit settings by using the up and down arr...
Page 33 - Table 25 — Antifreeze Percentages by Volume
33 Antifreeze — In areas where entering loop temperatures drop below 40 F or where piping will be routed through areas subject to freezing, antifreeze is needed. Alcohols and glycols are commonly used as antifreeze agents. Freeze protection should be maintained to 15 F below the lowest expected ente...
Page 34 - Units with WSHP Open Multiple Protocol —
34 Speed relays are turned off after a 60-second delay. The control reverts to Standby mode. Output EH1, EH2, Fan Enable, and Fan Speed will be ON if the G input is not active during Emergency Heat mode.COOLING STAGE 1 — In Cooling Stage 1 mode, the Fan Enable, compressor and RV relays are turned on...
Page 37 - Retry Mode —; Table 26 — Complete C Control Current LED
37 operate if the loop pump status is off and therefore the WSHP compressor will not run. COMPLETE C AND DELUXE D BOARD SYSTEM TEST System testing provides the ability to check the control operation. The control enters a 20-minute Test mode by momentarily shorting the test pins. All time delays are ...
Page 40 - Fig. 34 — Thermistor Nominal Resistance; Fig. 35 — FP1 and FP2 Thermistor Location; COAX —
40 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. 4. Slide motor/bracket assembly to extreme right and lift out through space between fan scroll and side frame. R...
Page 41 - Table 29 — Troubleshooting
41 Table 29 — 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...
Page 43 - APPENDIX A — WSHP OPEN SCREEN CONFIGURATION
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...
Page 44 - APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)
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...
Page 46 - APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)
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...
Page 52 - HEATING CYCLE ANALYSIS; = SUCTION TEMPERATURE – SUCTION SATURATION TEMPERATURE; SUBCOOLING; = DISCHARGE SATURATION TEMPERATURE – LIQUID LINE TEMPERATURE
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53500049-01 Printed in U.S.A. Form 50PC-1SI CL-2 7-09 Replaces: New Copyright 2009 Carrier Corporation - - - - - - - - - - - - - - - - - -...