Gebruiksaanwijzing /service van het product AQUAZONE 50PSH van de fabrikant Carrier
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Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53 500055-01 Printed in U .S .A. Form 50PS-3SI Pg 1 7-09 Replaces: 50PS-2SI Installation, Star t-Up , and Ser v ice Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS .
2 SAFETY CONSIDERA TIONS Installation and servicing of air -conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and qua lified service personnel should install, repair , or service air-conditioning equipment.
3 Table 1 — Physical Data — 50PSH, PSV, PSD018-070 Units LEGEND *Unit sizes 006-012 not av ailable on 50PSD unit. NOTE: All units ha ve spring compressor mountings, TXV expansion de vices, and 1 / 2 - in.
4 Before installing any of the system components, be sure to examine each pipe, fitting, and valve, and remove any dirt or foreign material found in or on these components. IN SP E CT UN IT — T o prepare the unit for installation, com- plete the procedures listed below: 1.
5 NOTES: 1. Condensate is 3 / 4 -in. FPT copper . 2. Horizontal unit shipped with filter brack et only . Th is brac ket should be removed f or retur n duct connection. 3. Discharge flange and hanger kit is factory installed. 4. Shaded areas are recommended service areas, not required.
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.
7 Fig. 4 — 50 PSD Dimensiona l 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.
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 betwe en 39 F and 102 F and relative humidity is no greater than 75%.
9 Preparation — The unit should be on the ground in a well lit area. Hung units should be take n 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.
10 VE R T IC AL UN IT S ( 50P SV , P S D ) — 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.
11 Table 2 — Water Quality Guideline s LEGEND *Heat exchanger mate rials consi dered are co pper , cupr onickel, 304 SS (stainless ste el), 316 SS , titanium. †Closed reci rculating syst em is identifi ed by a closed pressur ized piping system. **Recircul ating open wells should ob serve the open reci rculating desig n consideratio ns.
12 In all applications, the quality of the water circulated through the heat exchanger must fall within the ranges listed in the W ater Quality Guidelines table. Consult a local water firm , independent testing facility , or local water authority for specific recommendations to maintain water quality within the pub- lished limits.
13 Optional pressure-rated hose assemblies designed specifi- cally for use with Carrier units are available. Similar hoses can be obtained from alternate supp liers. Supply and return hoses are fitted with swivel-joint fittings at one end to prevent kink- ing during installation.
14 *Optional. AL — Alar m Relay Contacts AST A T — Aquastat BR — Blo wer Relay CB — Circuit Bre aker CC — Compressor Cont actor CO — Condensate Ov erflow Sensor COMPR — Compressor DTS .
15 *Optional. AL — Alarm Relay Contacts AST A T — Aquastat BM — Blow er Motor BMC — Blower Motor Capacitor BR — Blower Relay CB — Circuit Breaker CC — Compressor Contactor CO — Condens.
16 *Optional. AL — Alar m Rela y Contacts AST A T — Aquastat BM — Blower Motor BR — Blower Relay CB — Circuit Breaker CC — Compressor Contactor CO — Condensat e Overfl ow Sensor COMPR .
17 Wire Nut Relay Contacts - N.C . Relay Contacts - N.O . Low Pressure Switch High Pressure Switch Splice Cap Circuit Breaker NO TES: 1. Compressor and blow er motor thermally prote cted internally . 2. All wiring to the unit must comply with NEC and local codes.
18 NO TES: 1. Compressor and blo wer motor thermally protected inter nally . 2. All wiring to the unit must comply with NEC and local codes. 3. T ransformer is wired to 460 v (BLK/RED) lead f or 460/3/60 units. T ransformer is energ y limiting or ma y hav e circuit breaker .
19 Thermistor Ground Wire Nut Relay Con tacts - N.C. Relay Con tacts - N.O . Low Pressure Switch High Pressure Switch Splice Cap Circuit Breaker Capacitor LED G NO TES: 1. Compressor and bl ower mot or thermally protected internally . 2. All wiring to the unit must co mply with NEC and local codes.
20 Fig. 21 — Units wi th Complete C and WS HP Ope n Multiple Protocol Controls WH S P-OPEN A50-8355 LEGEND BM — Blo wer Motor BR — Blower Rela y CO — Condensate Overflo w LW T — Leaving W ater T emperature N.
21 W S HP-OPEN Fig. 22 — Units with Deluxe D and WSHP Open M ultiple Protocol Controls A50-8354 LEGEND BM — Blo wer Motor CO — Condensate Overflow LW T — Leaving W a ter T emperature N.
22 W S HP-OPEN Fig. 23 — Units wit h Complete C, ECM an d WSHP Open Multiple Protocol Controls A50-8356 LEGEND CO — Condensate Overflow LW T — Leaving Water T emperature N.
23 W S HP-OPEN Fig. 24 — Units wi th Deluxe D, ECM and WSHP Open Multiple Protocol C ontrols A50-8353 LEGEND CO — C ondensate Ov erflow LW T — Leaving W ater T emperature N.
24 012207-1BT4 8 5BT LED1 DB In s t a ll BT4 8 5 where device i s loc a ted a t the end of network s egment only. + 24v a c (If not in s t a lled, it m us t b e connected to DO-5) DEHUMIDIFY OUTPUT CO.
25 Table 4 — 50PSH, PSV, PSD Elec trical Data — PSC Motor LEGEND NO TE: Unit siz es 006-012 are n ot av ailable on 50PSD u nits. Table 5 — 50PSH, PSV, PSD Electrical Data — PSC High-Stati c Motor LEGEND NO TE: Unit sizes 006-012 are n ot av ailable with PSC high-st atic motors.
26 Table 6 — 50PSH, PSV, PSD Electrical Da ta, ECM Motor LEGEND NO TES: 1. The 460-v units using an ECM (ele ctronically commut ated motor) f an motor , modulating HWR, and/or an internal secondary pump will require a neutral wire from th e supply side in order to f eed the accessor y with 265-v .
27 Step 9 — Wire Field Contr o ls TH E RM OS T A T C ON NE CT IO N S — The thermostat should be wired directly to the ECM control board. See Fig. 27. W A TER FREE ZE PROTECTION — The Aquazone™ con- trol allows the field selection of source fluid freeze protection points through jumpers.
28 WS HP OP EN WI R ING — 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.
29 3. W ire each terminal on the sensor to the same terminal on the controller . See Fig. 15-25. T a ble 10 shows the recom- mended Rnet wiring scheme. Table 10 — Rnet Wiring NO TE: The wire should be connected to the terminal shown. W iring a Supply Air T emperature (SA T) Sensor — The SA T sensor is required for reheat applications.
30 DEHUMIDIFICA TION MODE — The dehumidification mode setting provides field selection of humidity control. When oper- ating in the normal mode, the cooling airflow sett ings are deter- mined by the cooling tap setting in T able 1 1 .
31 Table 12 — PSC Blo wer Motor P erformance Data LEGEND NO TES: 1. Shaded ar eas denote ESP where operat ion is not recommended. 2. Units f actor y shipped on medium speed. Othe r speeds require field selection. 3. All airflo w is rated and shown abov e at the lower v oltage if unit is dual voltage r ated, e .
32 PRE-ST A R T -UP System Chec kout — When the installation is complete, follow the system checkout procedure outlined below before starting up the system. Be sure: 1. V oltage is within the utilizati on range specifications of the unit compressor and fan moto r and voltage is balanced for 3-phase units.
33 Heating/Cooling Thermostat T ype — Switch 3 provides se- lection of thermostat type. Heat pump or heat/cool thermostats can be selected. Select OFF for heat/cool thermostats. When in heat/cool mode, Y1 is used for cooling stage 1, Y2 is used for cooling stage 2, W1 is used for heating stage 1 and O/W2 is used for heating stage 2.
34 HWR APPLICA TION CONSIDERA TIONS — Unlike most hot gas reh eat options, the HWR opt ion will operate over a wide range of entering-water temperatures (EWT s). Special flow regulation (wat er regulating valve) is no t required for low EWT conditions.
35 Deluxe D Contr ol Accessory Relay Configura- tions — The following accessory relay settings are applica- ble for Deluxe D control: CYCLE WITH F AN — In this configuration, the accessory relay 1 will be ON any time the Fan Enable relay is on.
36 4. Check the temperature of both supply and discharge water . Compare to T ables 20-30. If temperature is within range, proceed. If temperature is outside the range, check the cooling refrigerant pressures in T ables 20-30. 5. Check air temperature drop across the coil when com- pressor is operating.
37 Table 22 — 50PSH, PSV, PSD012 Typical Unit Operating Pressures and Temperatures LEGEND Table 23 — 50PSH, PSV, PSD018 Typical Unit Operating Pressures and Temperatures LEGEND Table 24 — 50PSH,.
38 Table 25 — 50PSH, PSV, PSD030 Typical Unit Operating Pressures and Temperatures LEGEND Table 26 — 50PSH, PSV, PSD036 Typical Unit Operating Pressures and Temperatures LEGEND Table 27 — 50PSH,.
39 Table 28 — 50PSH, PSV, PSD048 Typical Unit Operating Pressures and Temperatures LEGEND Table 29 — 50PSH, PSV, PSD060 Typical Unit Operating Pressures and Temperatures LEGEND Table 30 — 50PSH,.
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.
41 f. Press OK to apply and sav e to a particular day of the week. g. Continue to add the same or dif ferent sched ule spe- cific days of the week. T o add exceptions to the schedule: i. Press Add softkey . ii. Select exception type from follow ing: • Date • Date Range • W eek-N-Day • Calender Reference 9.
42 Calculate the total volume of fluid in the piping system. See T able 32. Use the percentage by volume in T able 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 .
43 application, all compressor relays and related functions will operate per their associated DIP switch 2 setting on S1. HE A TI NG ST A GE 3 — In Heating Stage 3 mode, the Fan Enable, Fan Speed and Compressor relays remain on. The EH1 output is turned on immediately .
44 NOTE: Scheduling can either be controlled via the unit or the BAS, but not both. INDOOR FAN — Th e i ndoor fan will operate in any one of three modes depending on the user configuration selected. Fan mode can be selected as Auto, Continuous, or Always On.
45 speed. Should this be insuffic ient, and the SA T rises further reaching the maximum heating SA T limit, the fan will be indexed to the maximum speed. If the SA T still continues to rise 5 F above the maximum limit, all heating stages will be disabled.
46 screen. The following conditions must be true for economizer operation: • SA T reading is available. • L WT reading is available. • If oc cupied, the SP T is greater than the occupied cooling set point or le ss than the o ccupied heating set point and the condenser water is suitable.
47 Table 35 — Complete C Contr ol LED Code and Fault Descript ions LEGEND WSHP Open T est Mode — T o enter WSHP Open test mode, navigate from the BAC view 6 h ome screen to the config- uration screen. Choose the servic e screen and enable unit test.
48 SER VICE Perform the procedures ou tlined below periodically , as indicated. Filter s — Filters must be clean for maximum performance. Inspect filters every month under normal operating conditions. Replace when necessary . W ater Coil — Keep all air out of the water coil.
49 Checkin g System Char ge — Units are shipped with full operating charge. If rechar ging is necessary: 1. Insert thermometer bulb in insulating rubber sleeve on liquid line near filter drier . Use a digital thermometer for all temperature measurements.
50 WSHP Open Contr oller — W ith the WSHP Open con- troller option, the 100 most recent alarms can be viewed using the BAC view 6 alarm status and alarm history . T o view the alarms: 1. Navigate to the Alarm S tatus screen from the Home screen using the arrow softkeys.
51 The bulb must be secured to the pipe using a copper strap. The use of heat transfer paste between the bulb and the pipe will also help ensure optimum performance. The bulb must also be properly insulated to eliminate any influence on valve operation by the surrounding conditions.
52 See T ables 37-39 for additional troubleshooting information. Table 37 — ECM Tro ubleshooting IMPOR T ANT : Always recover the refrigerant from the system with suitable approved tools, recovery equipment, and practices prior to attempting to remove or repair any TXV .
53 Fig. 40 — ECM Pin Connector s a50-8448.
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 b oxes.
55 Moisture Check — T o perform moisture check: • Check that connectors are orie ntated “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).
56 Table 39 — WSHP Troubleshooting ( cont) LEGEN D F A UL T HEA TING COOLING POSSIBLE CA USE SOL UTION Conden sate Fault — Code 6 X X Block ed drain Check f or bloc kage and clean drain . X X Improper trap Check trap dimensions and location ahead of v ent.
57 Table 39 — WSHP Troubleshooting ( cont) LEGEND F A UL T HEA TING COOLING POSSIBLE CAUSE SOLUTION High Head Pressure X Reduced or no airflo w in heating Check f or dir ty air filter and clean or replace. Check f an motor operation and airflow restrictions .
58 APPENDIX A — WSHP OPEN SCREEN CONFIGURA TION LEGEND SCREEN NAME P OINT NAME PA SS WO RD LEVEL EDITABLE RANG E DEFAULT NOTES Equipment Status Operati ng Mode No P assword Required Off, F an Only ,.
59 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PA SS WOR D LEVEL EDITABLE RANGE DEFAULT NOTES Unit Maintenance Operating Mode No P assw ord required Off, F an On.
60 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PASS WO RD LEVEL EDITABLE RANG E DEFAULT NOTES Configuration Set Points Occupied Heating User/Admin P assw ord le .
61 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PAS SWO RD LEVE L EDITABLE RANGE DEFAULT NOTES Configuration Unit Configuration F an Mode Admin P ass word lev el .
62 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME P OINT NAME PAS SW ORD LEVEL EDITABLE RANGE DEFAULT NOTES Configuration Service Configuration # of F an Speeds Admin P asswor.
63 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PAS SWO RD LEVEL EDITABLE RANGE DEFAULT NOTES Configuration Alarm Configuration SPT Occupied Alarm Hysteresis Admi.
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Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
CL-1 50PSH,PSV ,PSD ST ART -UP CHECKLIST CUSTOMER: ___________________________ JOB NAME: _____________________________ __________ MODEL NO.:___________________________ SERIAL NO.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
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