ICP WPH324 Installation Instructions Manual Download Page 3 | Manualshive

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Summary of Contents for WPH324

Page 1: ...esult in enhanced installation reliability or operation TABLE OF CONTENTS SAFETY CONSIDERATIONS 2 RECEIVING AND INSTALLATION 2 Step 1 Check Equipment 2 Step 2 Provide Unit Support 2 Step 3 Provide Clearances 3 Step 4 Field Fabricate Ductwork 3 Step 5 Rig and Place Unit 3 Step 6 Provide for Condensate Disposal 7 Step 7 Install Duct Connections 7 Step 8 Install Electrical Connections 9 Wiring Diagra...

Page 2: ...inal unit disposal Use all service ports and open all flow control devices including solenoid valves 2 Federal regulations require that you do not vent refrigerant into the atmosphere Recover during system repair or final unit disposal INTRODUCTION The WPH3 units are fully self contained and designed for outdoor installation See Fig 1 All unit sizes have discharge openings for both horizontal and ...

Page 3: ...of openings with counter flashing and mastic in accordance with applicable codes Fig 2 Unit Leveling Tolerances MAXIMUM ALLOWABLE B DIFFERENCE in mm A B B_C A_C 1 4 6 35 1 4 6 35 1 4 6 35 Ducts passing through an unconditioned space must be insulated and covered with a vapor barrier If a plenum return is used on a vertical unit the return should be ducted through the roof deck to comply with appli...

Page 4: ...SIRE OF O_IT 2 588 SIi E Oi_OSITE _UCTS i_ 55S G _OTTO_ OF ii_IT 0 00 ELECT_iICAL PA_iEL 3_ 914 _ NEC REQUIREDCLEARANCES I_CHES _ _ET EE_ O_ITS _ O_ER E_TR_ SIOE _2 i066 8 WiIT A_i _6 Oii_OE_ 8_F_CE S PO_Ei_ E_iTi_Y SIOE _G 914 O iJ_IT A_b BLOCK Oii O_ i_ETE _ALLS A_i OTHE_ _OL_OE_ SURFACE _ _O_E_ E_TR_ SIOE _2 i0_ _ REOUIREDCLEARANCEFOR OPERATIC_IAI ID SERVICII IG I HES _ E_ AF_ COIL _ CESS SIOE ...

Page 5: ...O_ _ 80_ 0 208 23O 988 4_2 2 3_0 i09 0 _5 _i_ 52 _0 988 4_E 2 330 i 8 0 53_ 848 ALL TABLE ATA RELE A T FOR ALL FACT _ I STALLE _ TIO S EX ET EC IZE_ RE_UIRE_ CLEARANCESTO COMBUSTIBLE MATE I qCHE5 _ TOP OF _IT 4 355 O_CT SI_E OF _IT SO 8 _Ii E OPPO ITE _CTS 4 35S 6 _OTT OF NIT A 00 ELECTRICAL A EL 1136 94_ N_I REOtIIREBCLEARANCES IkCHEi _ ET EE UITS O E i ET i SI E 086 8 WiIT A_i9 _NGIiOU_i_E9 SU_i...

Page 6: ...IN mm CATALOG NUMBER CPRFCURB010A00 CPRFCURB011A00 CPRFCURB012A00 is a small basepan or a large basepan B small common B UNIT A base large base SIZE IN mm IN mm IN mm Small 11 279 or 10 254 Large 14 356 14 356 11 279 Large 14 356 CPRFCURB013A00 14 356 NOTES 1 Roof curb must be set up for unit being installed 2 Seal strip must be applied as required to unit being installed 3 Roof curb is made of 16...

Page 7: ...traps Adjust the clevis location to ensure unit is lifted level with the ground After the unit is placed on the roof curb or mounting pad remove the top skid Step 6 m Provide for Condensate Disposal NOTE When installing condensate drain connection be sure to comply with local codes and restrictions Unit disposes of condensate water through a 3 4 in NPT fitting which exits through the base on the e...

Page 8: ...m turn off main power to unit and install lockout tag 1 Open all electrical disconnects and install lockout tag before starting any service work 2 Remove horizontal metal ductcovers to access vertical downflow discharge duct knockouts in unit basepan See Fig 9 3 To remove downflow return and supply knockout covers break front and right side connecting tabs with a screwdriver and hammer Push cover ...

Page 9: ...ect may be mounted on the unit over the high voltage inlet hole when the standard power and low voltage entry points are used See Fig 4 and 5 for acceptable location Remove high voltage knockout See unit wiring label Fig 11 12 and Fig 10 for reference when making high voltage connections Proceed as follows to complete the high voltage connections to the unit Single phase units 1 Run the high volta...

Page 10: ...10A Refrigerant R 410A Quantity Ib 8 3 10 2 7 9 10 0 9 6 12 3 Quantity kg 3 8 4 6 3 6 4 5 4 4 5 6 METERING DEVICE ID TXV 0 038 Left OD Coil ORIFICE OD in 0 032 2 0 035 2 0 037 2 0 040 Right OD Coil 0 046 2 0 052 2 mm 81 89 94 97 1 02 1 2 1 3 OUTDOOR COIL Rows Fins in 2 21 2 21 2 21 2 21 2 21 2 21 face area sq ft 11 9 11 9 11 9 13 6 13 6 17 5 OUTDOOR FAN 2000 2700 2700 3100 3100 3500 Nominal Airflo...

Page 11: ...AN MOTOR _ J_ TI_A I I _ RVS REVERSING VALVE _ _ c CONTACTOR BTDSTANDARD MODE SECQNDARY Ill CAP CAPACITOR COMP TRAN TRANSFORMER f 4 _ 24V A_T _T_ _ I CRANK CASE HEATER T STAT THERMOSTAT _ _ 4V_RED CCH BRN FOR WIRING WITH ir _ _ I G Y I _ i ELECTRIC HEATERS i_I I I 1 i l SEE SCHEMATIC _IL I I TSTAT I1 ON HEATER i I _ _I_ I ACCESSORY l_i I l R _ RED BLs B I _II I I B U _IB _1 _ I SEE NOTE 6_ I _L_ l...

Page 12: ...K USED 23 T STAT Z_RE D Y G _SRN DN _ 5LU W _ V 0 ACC SSORYHEAT _ ELECTRIC LECTRIC HEATEF _ CONNECTOR _P1 I IIRII 3A _ _ P 1 211C II _ Pq 3nvl vn 0 PI 4 II_II OP1 5 Y2 DH P1 6 W2 0 P1 7IIw _ ORN _2 I IlCll C P2 21IV II C OY LOW C HIGH 24VAC R BRN YEL WHT RED RED ORN RE_ WH_ YE_ BRN DB P5 2_ T_Q YO OP 8 0 OP_ 7 R OP1 6 W2 OP 5 Y OP1 4 C T2 P2 4C o P_ _O SEE NOTE 4 rSEE NOTE 7 UNIT COMPONENT ARRANGE...

Page 13: ... line and one high side Schrader fitting located on the compressor discharge line Be sure that caps on the ports are tight START UP Checking Cooling and Heating Control Operation Start and check the unit for proper control operation as follows 1 Place room thermostat SYSTEM switch or MODE control in OFF position Observe that blower motor starts when FAN mode is placed in FAN ON position and shuts ...

Page 14: ...d high pressure service fittings 2 Using hoses with valve core depressors attach low and high pressure gauge hoses to low and high pressure service fittings respectively 3 Start unit and let run until system pressures stabilize 4 Measure and record the following a Outdoor ambient air temperature F C db b Liquid line temperature F C at TXV c Discharge high side pressure psig d Suction low side pres...

Page 15: ...ing fan speed 4 Remove the vinyl cap off of the desired speed tap wire Refer to Table 3 for color coding for the normal cooling fan speed and place desired speed tap wire on HIGH on the interface board 5 Refer to airflow tables Table 4 to determine allowable speeds for the dehumidification cooling fan speed In Table 10 speeds that are not allowed for dehumidification cooling are shaded 6 Remove th...

Page 16: ...Charge Switch Piston Metering Device Arrow indicates dice_ion of flew FIG 15 TYPICAL HEAT PUMP OPERATION HEATING MODE TX_ in Bypass Position LCS INDOORCOIL LEGEND HPS High Pressure Switch LOS Loss of Charge Switch Piston Metering Device Arrc_d indicates direction of flow Metering Position ld 516 01 2204 01 ...

Page 17: ...J1 must be shorted by placing a flat head screw driver in between for 5 sec and releasing to observe a complete defrost cycle When the Quiet Shift switch is selected compressor will be turned off for two 30 sec intervals during this complete defrost cycle as explained previously When Quiet Shift switch is in factory default OFF position a normal and complete defrost cycle will be observed If defro...

Page 18: ...ct system Always replace the filter with the same dimensional size and type as originally installed See Table 1 for recommended filter sizes Inspect air filter s at least once each month and replace throwaway type or clean cleanable type at least twice during each cooling season and twice during the heating season or whenever the filter becomes clogged with dust and lint Indoor Blower and Motor NO...

Page 19: ...g season Remove all obstructions including weeds and shrubs that interfere with the airflow through the condenser coil Straighten bent fins with a fin comb If coated with dirt or lint clean the coils with a vacuum cleaner using the soft brush attachment Be careful not to bend the fins If coated with oil or grease clean the coils with a mild detergent and water solution Rinse coils with clear water...

Page 20: ...200 1300 1400 24 0 06 0 07 0 08 0 09 0 1 30 0 12 0 15 0 19 0 23 0 27 36 0 07 0 11 0 18 0 26 0 35 42 0 04 0 07 0 1 48 0 11 60 0 2 1466 1593 2185 2222 UNIT SIZE 36 42 48 60 1500 1600 1700 1800 1900 2000 0 15 0 21 0 14 0 17 0 22 0 1 0 17 Table 6 Wet Coil Air Delivery Downflow Discharge High Speed EXTERNAL STATIC PRESSURE in W C 0 3 0 4 0 5 0 6 0 7 0 8 1401 1339 1274 1228 1187 1142 1556 1526 1487 1442...

Page 21: ... 85 87 89 91 93 95 97 99 101 103 105 107 108 110 112 114 116 118 119 121 123 124 126 127 129 131 132 134 11 Required Liquid Line Temperature for a Specific Subcooling R 410A I Required Subcoolin_ I F Required Subcoolin_ I C C o Pressure O 10 15 20 25 kPa 3 6 8 11 14 r 56 51 46 41 1303 19 16 13 11 8 5 58 53 48 43 1351 20 17 15 12 9 6 o 61 56 51 46 1399 21 19 16 13 10 8 1 63 58 53 48 1448 23 20 17 1...

Page 22: ...w pressures are present in the refrigeration circuit These pressure switches are specifically designed to operate with R 410A systems R 22 pressure switches must not be used as replacements for the R 410A system Step 9 _ Loss of Charge Switch This switch is located on the liquid line and protects against low suction pressures caused by such events as loss of charge low airflow across indoor coil d...

Page 23: ...cloth shop towel inside unit immediately under component s to be serviced and prevent lubricant run offs through the Iouvered openings in the unit base 4 Perform required service 5 Remove and dispose of any oil contaminated material per local codes Liquid Line Filter Drier The biflow filter drier is specifically designed to operate with R 410A Use only factory authorized components Filter drier mu...

Page 24: ... Vacuum pumps will not remove moisture from oil Do not use liquid line filter driers with rated working pressures less than 600 psig Do not leave R 410A suction line filter driers in line longer than 72 hours Do not install a suction line filter drier in liquid line POE oils absorb moisture rapidly Do not expose oil to atmosphere POE oils may cause damage to certain plastics and roofing materials ...

Page 25: ...ssor IPR leaking Restriction in liquid tube High heat load Compressor IPR leaking Refrigerant overcharged Dirty air filter Low refrigerant charge Metering device or low side restricted Insufficient evaporator airflow Temperature too low in conditioned area Outdoor ambient below 55 F 12 7 C Filter drier restricted REMEDY Call power company Replace fuse or reset circuit breaker Replace component Det...

Page 26: ...IS CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB HEAT PUMP SUPPLY AIR ELECTRIC HEAT SUPPLY AIR PRESSURES REFRIGERANT ...

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