Gebruiksaanwijzing /service van het product PTV 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 . 04-53500079-0 1 Printed in U. S.A. F orm 50PT -4SI Pg 1 7-10 Replaces: 50PT -3SI Installation, Star t-Up , and Ser vice Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS .
2 components. Only trained a nd qualified service personnel should install, repair, or service air -conditioning equipment. Untrained personnel can perfor m basic maintenance func- tions such as cleaning coils and filters and replacing filters. All other operations should be pe rformed by trained service personnel.
3 8. Provide an unobstructed path to the unit within the closet or mechanical room. Space should be suf ficient to allow removal of unit if necessary . 9. Provide ready access to wa ter valves and fittings, and screwdriver access to unit si de panels, discharge collar , and all electrical connections.
4 Y Confi g uration - Left Return/Back Di s char g e W Confi g uration - Left Return/Ri g ht Di s char g e - Air Coil Openin g W Confi g uration - Left Return/Ri g ht Di s char g e - Air Coil Openin g.
5 Field-Supplied Electric Heat (if applicable) Filter Access Integral hanger support- pre-attached in factory Field-supplied transition to minimize pressure loss 3/8” threaded rods (by others) Retur.
6 K - Configuration - Right Return /T op Discharge (T op View) K - Configuration - Right Return - Air Coil Opening (Right Side View) J - Configuration - Left Return - Air Coil Opening (Left Side View).
7 NOTES: 1. Condensate connection is stainless steel 3 / 4 in. female pipe thread (FPT). 2. Unit shipped w ith top and botto m filter rac k and is not suitable f or duct connection without additional support. 3. Downflo w unit does not ha ve disch arge flange, and is r a ted f or zero clearan ce installation.
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%.
9 5. Check refrigerant tubing for contact with other compo- nents. Adjust if necessary . 6. Reinstall top panel using screws set aside in Step 1. NOTE: Location for some screws at bottom of discharge panel may have to be changed. 7. Manually spin fan wheel to check for obstructions.
10 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. VE NT IN G — Install a vent in the condensate line of any application that may allow dirt or air to collect in the line.
11 W ater Supply and Quantit y — Check water supply . W ater supply should be plentiful and of good quality . See T able 2 for water quality guidelines. 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.
12 Table 2 — Water Quality Guideline s LEGEND *Heat e xchanger materials considered are copper , cupronick el, 304 SS (stainless st eel), 316 SS, titanium . †Closed recirculating system is identified by a closed pressurized piping system. **Recirculating open w ells should obs erve the open recirculating design considerations .
13 conform to the Class II temperature limitations described in the NEC. Refer to unit wiring diagrams Fig. 15-24 for a schematic of the field connections, which must be made by the installing (or electrical) contractor .
14 ECM Y GGGGR W O Y 2 Y 1 G R C Y 2 Y 1 G O W C R D H A L 1 A A A L 1 S W1 S W2 S W3 S W4 S W5 S W6 S W7 S W8 S W9 OF F ON G D E HU M C F M T B 1 J1 S 1 BM ECM ECM INTERFACE BOARD S W 1 S W 2 S W 3 S.
15 ECM INTERF ACE BOARD LA YOUT Y GGGGR W O Y2 Y1 G R C Y2 Y1 G O W C R DH AL 1 A A AL 1 SW 1 SW 2 SW 3 SW 4 SW 5 SW 6 SW 7 SW 8 SW 9 OFF ON G DEH UM C FM T B1 J 1 S 1 BM (ECM) ECM INTERFACE BOARD SW1.
16 ECM INTERF ACE BOARD LA YOUT Y GGGGR W O Y 2 Y 1 G R C Y 2 Y 1 G O W C R D H A L 1 A A A L1 S W1 S W2 S W3 S W4 S W5 S W6 S W7 S W8 S W9 OF F ON G D E HU M C F M T B 1 J1 S 1 BM (ECM) BM (ECM) SW1 .
17 ECM INTERF ACE BOARD LA YOUT Y GGGGR W O Y2 Y1 G R C Y2 Y1 G O W C R DH AL 1 A A AL 1 SW 1 SW 2 SW 3 SW 4 SW 5 SW 6 SW 7 SW 8 SW 9 OFF ON G DEH UM C FM T B1 J 1 S 1 BM (ECM) ECM INTERFACE BOARD SW1.
18 ECM INTERF ACE BOARD LA YOUT Y GGGGR W O Y 2 Y 1 G R C Y 2 Y 1 G O W C R D H A L 1 A A A L 1 S W1 S W2 S W3 S W4 S W5 S W6 S W7 S W8 S W9 OF F ON G D E HU M C F M T B 1 J1 S 1 BM (ECM) ECM INTERFAC.
19 ECM INTERF ACE BOARD LA YOUT Y GGGGR W O Y2 Y1 G R C Y2 Y1 G O W C R DH AL 1 A A AL 1 SW 1 SW 2 SW 3 SW 4 SW 5 SW 6 SW 7 SW 8 SW 9 OFF ON G DEH UM C FM T B1 J 1 S 1 BM (ECM) ECM INTERFACE BOARD BM .
20 *Optional Wiring. AL — Alar m Rela y Contacts AST A T — Aquastat BM — Blo wer Motor BMC — Blow er Motor Capacitor BR — B lower Rela y CB — Cir c uit Break er CC — Comp ressor Contacto.
21 *Optional Wiring. AL — Alar m Rela y Contacts AST A T — Aquastat BM — Blo wer Motor BMC — Blow er Motor Capacitor BR — B lower Rela y CB — Cir c uit Break er CC — Comp ressor Contacto.
22 LEGEND AL — Alar m Rela y Contacts AST A T — Aquastat BM — Blo wer Motor BMC — Blow er Motor Capacitor BR — B lower Rela y CB — Cir c uit Break er CC — Comp ressor Contactor DTS — D.
23 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.
24 W SH P O PE N W I RI NG — 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.
25 T o wire the SPT sensor to the controller : 1. Partially cut , then bend and pull of f the outer jacket of the Rnet cable(s), being careful not to nick the inner insulation. 2. Strip about 1 / 4 in. of the inner insulation from each wire. See Fig. 26.
26 T YPICAL W ATER V ALVE C A 24 V AC T ERMINAL STRIP P2 Fig. 27 — Low V oltage Field Wiring AQ UAZONE CONTROL (Complete C Shown) Fig. 28 — T ypical Aquazone™ Contr ol Board Jumper Loc ations Fig.
27 Step 10 — Operate ECM Interface Boar d ST ANDALONE — NO DDC CONTROLS — Th e E CM fan is controlled by an interface board that converts thermostat inputs and field selectable cfm settings to signals used by the ECM (electronically commutated motor) controller .
28 Table 13 — Blower Performance Data WS HP OP E N C ON TR O LS — The ECM fan is controlled by an interface board that converts the fan speed outputs from the WSHP Open control board to the signal used by the ECM mo- tor (see Fig 35).
29 Table 14A — WSHP Open — Fan Only / Low Fan an d Med Fan Airflow NO TE : F actor y default setting shown bo ld . IMPORT ANT: The tap setting for high fan MUST equal or e xce ed the tap setting for f an only/low/med f an Table 14B — WSHP Open — High Fan Airflow NO TE : F actor y default setting shown bo ld .
30 16. Air coil is clean. 17. Control field-selected settings are correct . AI R CO IL — T o obtain maximum performance, clean the air coil before starting the unit. A 10% solution of dishwasher detergent and water is recommended for both sides of the coil.
31 Boilerless Changeover T emperature — Switch 8 on S1 provides selection of boilerles s changeo ver temperature set point. Select OFF for set point of 50 F or select ON for set point of 40 F . If switch 8 is set for 50 F , then the compressor will be used for heating as long as the FP1 is above 50 F .
32 ground loop systems will not experience overcooling of the supply-air temperature. If ove rcooling of the space is a con- cern (e.g., computer room well water application), auxiliary heating may be required to maintain space temperature when the unit is operati ng in the dehumidification mode.
33 ST ART -UP Use the procedure outlined below to initiate proper unit start-up. NOTE: This equipmen t is designed for indoor installation on ly . Operating Limits EN VI R ON ME N T — This equipment is designed for indoor installation ONL Y .
34 Scr oll Compressor Rotation — It is important to be certain compressor is rotating in the proper direction. T o determine whether or not compre ssor is rotating in the proper direction: 1. Connect service gages to suction and disch arge pressure fittings.
35 Table 21 — Typical 50PTH,PTV,PTD038 Unit Operating Pressu res and Temperatures LEGEND Table 22 — Typical 50PTH,PTV,PTD049 Unit Operating Pressu res and Temperatures LEGEND Table 23 — Typical .
36 Unit Start-Up with WSHP Open Contr ols — The WSHP Open is a multi-protocol (default BACnet*) con- troller with extensive features, flexible options and powerful capabilities.
37 f. Press OK to appl y and save to a particular day of the week. g. Continue to add the same or dif ferent schedule 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.
38 Table 25 — Approximate Fluid Volume (gal.) per 100 Ft of Pipe LEGEND NO TE : V o lume of heat exchanger is approximatel y 1.0 gallon. Table 26 — Antifr eeze Percentages by Volume Cooling T ower/Boiler Systems — Thes e systems typically use a common loop temperature maintained at 60 to 95 F .
39 Output EH1, EH2, Fan Enable, and Fan Speed will be ON if the G input is not active during Emergency Heat mode. COOLING ST AG E 1 — In Co oli ng St age 1 m ode , t he Fa n Enable, compressor and R V relays are turned on immediately .
40 ured maximum heating SA T limit (110 F default). As the SA T approaches this value, the cont rol will increase the fan speed as required to ensure the SA T will remain within the limit. This feature provides the most quiet and efficient operation by oper- ating the fan at the lowest speed possible.
41 Auxiliary Mod ulating Hot W ater/Steam Heating Re heat — The control can modulate a hot water or steam valve con- nected to a coil on the discharge side of the unit and supplied by a boiler in order to maintain the desired heating set point should the compressor capacity be insuf ficient or a compressor failure occurs.
42 vide cooling to the space when required. Should the capacity be insufficient for a period grea ter than 5 minutes, or should a high humidity condition occur , then the compressor will be started to satisfy the load. Should the SA T reach the minimum cooling SA T limit, the economi zer valve will close during compressor operation.
43 WSHP Open T est Mode — T o enter WSHP Open test mode, navigate from the BAC view 6 home screen to the config- uration screen. Choose the servic e screen and enable unit test. The controller will then test the following: F AN T ES T — T ests all fan speeds, sequence s fan from low to high, and operates each speed for one minute.
44 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.
45 Checkin g System Charge — 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.
46 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.
47 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.
48 See T ables 30-32 for additional troubleshooting information. Table 30 — ECM Tro ubleshooting CA UTION Puron ® refrigerant (R-410A) requ ires the use of synthetic lubricant (POE oil). Do not use common tools on systems that contain R-22 refrigerants or mineral oil.
49 Fig. 39 — ECM Pin Connector s a50-8448.
50 Stopped or Malfunctioned ECM Motor — Refer to Fig. 40 to determine the possible cause of a stopped or mal- functioned ECM motor . Follow the instructions in the boxes.
51 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).
52 Table 32 — WSHP Troubleshoot ing (cont) LEGEND F A UL T HEA TING COOLING POSSIBLE CAUSE SOLUTION Over/Under V oltage — Code 7 (A uto Resetting) X X Under voltage Check power supply and 24 v a c v oltage bef ore and during operation. Check po wer supply wire size .
53 Table 32 — WSHP Troubleshooting ( cont) LEGEND F A UL T HEA TING COOLING P OSSIBLE CA USE SOLUTION High Head Pressure X Reduced or no airflo w in heating Chec k for dirty air filter and clean or replace. Check f an motor operation and airflow restrictions .
54 APPENDIX A — WSHP OPEN SCREEN CONFIGURA TION LEGEND SCREEN NAME P OINT NAME PA SS WO RD LEVEL EDITABLE RANGE DEFAULT NOTES Equipment Status Operati ng Mode No P assword Required Off, F an Only , .
55 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PA S SWO RD LEVEL EDITABLE RANGE DEFAULT NOTES Unit Maintenance Operating Mode No P assw o rd required Off, F an O.
56 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont) LEGEND SCREEN NAME P OINT NA ME PAS SW ORD LEVEL EDITABLE RANG E DEFAULT NOTES Configuration Set Points Occupied Heating User/Admin P a ss word .
57 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PA S SWO RD LEVE L EDITABLE RANGE DEFAULT NOTES Configuration Unit Configuration F an Mode Admin P assword lev el .
58 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PAS SW OR D LEVEL EDITABLE RANGE DEFAULT NOTES Configuration Service Configuration # of F an Speeds Admin P asswor.
59 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME P OINT NAME PA SS WOR D LEVEL EDITABLE RANGE DEFAULT NOT ES Configuration Alarm Configuration SPT Occupied Alarm Hysteresis A.
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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 50PTH,PTV ,PTD 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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