Carrier AQUAZONE PSV- Manuals

6 a50-8183 R - Confi g uration Ri g ht Return / Top Di s char g e - Top View L - Confi g uration Left Return / Top Di s char g e - Top View Ri g ht Return - Air Coil Openin g - Ri g ht S ide View Left Return - Air Coil Openin g - Left S ide View NOTES:1. Condensate is 3 / 4 -in. FPT copper and is sw...

7 Fig. 4 — 50PSD Dimensional Data 2' S ervice Acce ss Air Coil S ide G F D K J L 4 3 2 1 5 CAP T U R S Air Coil C S P Front B a ck Front-View B S P Left Return Left View - Air Coil Openin g Conden sa te 3 /4” FPT Left Ret u rn Conden sa te 3 /4” FPT Right Ret u rn 5 1.1 1.6 T U S Air Coil Front B a ...

8 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 39 F and 102 F and relative humidity is no greater than 75%. • Provide sufficient space for water, elect...

9 Preparation — The unit should be on the ground in a well lit area. Hung units should be taken down to ground level before converting.Side to Back Discharge Conversion 1. Remove screws to free the top and discharge panels. Set screws aside for later use. See Fig. 7. 2. Remove the access panel and s...

10 VERTICAL UNITS (50PSV, PSD) — Each unit uses a con- densate hose inside all cabinets as a trapping loop, therefore an external trap is not necessary. See Fig. 12. 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 un...

11 Table 2 — Water Quality Guidelines LEGEND *Heat exchanger materials considered are copper, cupronickel, 304 SS (stainless steel), 316 SS, titanium. †Closed recirculating system is identified by a closed pressurized piping system. **Recirculating open wells should observe the open recirculating de...

12 In all applications, the quality of the water circulated through the heat exchanger must fall within the ranges listed in the Water Quality Guidelines table. Consult a local water firm, independent testing facility, or local water authority for specific recommendations to maintain water quality w...

17 Wire Nut Relay Contacts - N.C. Relay Contacts - N.O. Low Pressure Switch High Pressure Switch Splice Cap Circuit Breaker NOTES: 1. Compressor and blower motor thermally protected internally.2. All wiring to the unit must comply with NEC and local codes.3. Transformer is wired to 460 v (BLK/RED) l...

20 Fig. 2 1 — Unit s wi th Comple te C a n d W S HP Ope n Mul tiple Protoc ol C o nt rols 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 Inp...

24 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...

27 Step 9 — Wire Field Controls THERMOSTAT CONNECTIONS — The thermostat should be wired directly to the ECM control board. See Fig. 27.WATER FREEZE PROTECTION — The Aquazone™ con- trol allows the field selection of source fluid freeze protection points through jumpers. The factory setting of jumper ...

28 WSHP OPEN WIRING — The WSHP Open controller will be factory mounted to the unit control panel and wired to the Complete C or Deluxe D control board, however, the system wiring will need to be completed utilizing WSHP Open con- troller wiring diagrams and the Third Party Integration (TPI) Guide. F...

29 3. Wire each terminal on the sensor to the same terminal on the controller. See Fig. 15-25. Table 10 shows the recom- mended Rnet wiring scheme. Table 10 — Rnet Wiring NOTE: The wire should be connected to the terminal shown. Wiring a Supply Air Temperature (SAT) Sensor — The SAT sensor is requir...

30 DEHUMIDIFICATION MODE — The dehumidification mode setting provides field selection of humidity control. When oper- ating in the normal mode, the cooling airflow settings are deter- mined by the cooling tap setting in Table 11. When dehumidifi- cation is enabled, there is a reduction in airflow in...

35 Deluxe D Control Accessory Relay Configura-tions — The following accessory relay settings are applica- ble for Deluxe D control:CYCLE WITH FAN — In this configuration, the accessory relay 1 will be ON any time the Fan Enable relay is on.CYCLE WITH COMPRESSOR — In this configuration, the accessory...

36 4. Check the temperature of both supply and discharge water. Compare to Tables 20-30. If temperature is within range, proceed. If temperature is outside the range, check the cooling refrigerant pressures in Tables 20-30. 5. Check air temperature drop across the coil when com- pressor is operating...

40 Unit Start-Up with WSHP Open Controls The WSHP Open is a multi-protocol (default BACnet*) con- troller with extensive features, flexible options and powerful capabilities. The unit comes from the factory pre-programmed and needs minimal set up to function in a BAS (Building Auto- mation System) s...

41 f. Press OK to apply and save to a particular day of the week. g. Continue to add the same or different schedule spe- cific days of the week.To add exceptions to the schedule:i. Press Add softkey.ii. Select exception type from following: • Date • Date Range • Week-N-Day • Calender Reference 9. Go...

42 Calculate the total volume of fluid in the piping system. See Table 32. Use the percentage by volume in Table 33 to deter- mine the amount of antifreeze to use. Antifreeze concentration should be checked from a well-mixed sample using a hydrom- eter to measure specific gravity. FREEZE PROTECTION ...

46 screen. The following conditions must be true for economizer operation:• SAT reading is available. • LWT reading is available. • If occupied, the SPT is greater than the occupied cooling set point or less than the occupied heating set point and the condenser water is suitable. • Space temperature...

47 Table 35 — Complete C Control LED Code and Fault Descriptions LEGEND WSHP Open Test Mode — To enter WSHP Open test mode, navigate from the BAC view 6 home screen to the config- uration screen. Choose the service screen and enable unit test. The controller will then test the following:FAN TEST — T...

50 WSHP Open Controller — With the WSHP Open con- troller option, the 100 most recent alarms can be viewed using the BAC view 6 alarm status and alarm history. To view the alarms: 1. Navigate to the Alarm Status screen from the Home screen using the arrow softkeys. The screen will display the curren...

52 See Tables 37-39 for additional troubleshooting information. Table 37 — ECM Troubleshooting IMPORTANT: Always recover the refrigerant from the system with suitable approved tools, recovery equipment, and practices prior to attempting to remove or repair any TXV. IMPORTANT: Due to the hygroscopic ...

54 Stopped or Malfunctioned ECM Motor — Refer to Fig. 41 to determine the possible cause of a stopped or mal- functioned ECM motor. Follow the instructions in the boxes. Fig. 41 — ECM Troubleshooting Flow Diagram a50-8447

55 Moisture Check — To perform moisture check: • Check that connectors are orientated “down” (or as recom- mended by equipment manufacturer). • Arrange harnesses with “drip loop” under motor. • Check if condensate drain is plugged. • Check for low airflow (too much latent capacity).• Check for under...

58 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...

59 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...

61 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. 04-53500055-01 Printed in U.S.A. Form 50PS-3SI Pg CL-2 7-09 Replaces: 50PS-2SI Copyright 2009 Carrier Corporation - - - - - - - - - - - - - -...