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Installation

Operation &

Maintenance

WSHPC-IOM-2

72-9041-02

Library

Service Literature

Product Section

Unitary

Product

Water Source Heat Pump

Model

GSSD

Literature Type

Installation, Operation and Maintenance

Sequence

2

Date

June 1999

File No.

SL-UN-WSHP-GSSD-IOM-2-6-99

Supersedes

WSHPC-IOM-2 / 72-9041-01 (Jan 98)

Water Source Heat

Pump Residential

Split Configuration

HVAC System

©An American Standard Company

Since American Standard Inc. has a policy of continuous product improvement, it reserves the right to change specifications
and design without notice. The installation and servicing of the equipment referred in this booklet should be done by qualified,
experienced technicians.

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Содержание GSSD

Страница 1: ...No SL UN WSHP GSSD IOM 2 6 99 Supersedes WSHPC IOM 2 72 9041 01 Jan 98 Water Source Heat Pump Residential Split Configuration HVAC System An American Standard Company Since American Standard Inc has a policy of continuous product improvement it reserves the right to change specifications and design without notice The installation and servicing of the equipment referred in this booklet should be do...

Страница 2: ...lways act in a re sponsible manner to conserve refrigerants for continued use even when acceptable alternatives are available Refrigerant used in any type of air conditioning or refrigerating equipment should be covered for reuse recovered and or recycled for reuse reprocessed reclaimed or properly destroyed whenever it is removed from the equipment Never re lease to the atmosphere Take extra care...

Страница 3: ...T 8 VOLTAGE HERTZ PHASE 1 208 230 60 1 DIGIT 9 UNIT ARRANGEMENT 0 Split Condensing Unit DIGIT 10 DESIGN SEQUENCE C DIGIT 11 OPEN DIGIT 0 Open Digit DIGIT 12 OPEN DIGIT 0 Open Digit DIGIT 13 DESUPERHEATER 0 No Desuperheater 1 With Desuperheater DIGIT 14 FREEZE PROTEC TION 1 35 Degree Freezestat 2 20 Degree Freezestat DIGIT 15 OPEN 0 Open DIGIT 16 BRAND C Command Aire T Trane Model Number Descriptio...

Страница 4: ... crushed ice The top front half of the diagonal cab inet is removable for access to all of the internal components by removing only two screws All panels are insu lated with 1 2 inch thick neoprene backed acoustical fiberglass insula tion Desuperheater Optional The double wall vented desuperheater uses heat off of the discharge line of the compressor to preheat a home s domestic hot water Hot wate...

Страница 5: ...rigerant circuit including the compressor expansion device revers ing valve less solenoid coil and all heat exchangers in contact with refrig erants are warranted for an additional four years parts only Optional extended warranties are available through the local distributor Note If any safety device is bypassed or removed the warranty is voided General Information ...

Страница 6: ...elivering carrier Carefully remove the stretch wrap and the top cardboard corner pieces Also remove the 4 four shipping brackets from the lower corners of the unit along with the shipping skid Note Before installing the unit Verify nameplate and model number are correct Inspect the overall quality and appearance of the unit Figure 1 Shipment Packaging Top Cover Corners Shipping Brackets Wooden Ski...

Страница 7: ...NPTI WATER OUT 1 NPTI LIQUID LINE 1 2 O D HI VOLTAGE 1 1 8 DIA 6 7 16 5 1 2 3 15 16 1 7 16 LOW VOLTAGE 1 1 8 DIA PUMP CONTROL 1 1 8 DIA SUCTION DISCH 3 4 O D WATER REG SCHRADER PORT DESUPER OUT HI PSI DESUPER IN 1 2 NPT LOW PSI SCHRADER 10 7 16 1 2 NPT SCHRADER FRONT VIEW SIDE VIEW Unit Size 024 Unit Size Unit Weight lbs 024 163 13 ...

Страница 8: ... NPTI LIQUID LINE 1 2 O D HI VOLTAGE 1 1 8 DIA 6 7 16 5 1 2 3 15 16 1 7 16 LOW VOLTAGE 1 1 8 DIA PUMP CONTROL 1 1 8 DIA SUCTION DISCH 3 4 O D WATER REG SCHRADER PORT DESUPER OUT HI PSI DESUPER IN 1 2 NPT LO PSI SCHRADER 10 7 16 1 2 NPT SCHRADER FRONT VIEW SIDE VIEW Unit Size 030 042 13 15 16 Unit Size Unit Weight lbs 030 169 036 183 042 203 ...

Страница 9: ... DIA 6 7 16 5 1 2 3 15 16 1 7 16 LOW VOLTAGE 1 1 8 DIA PUMP CONTROL 1 1 8 DIA SUCTION DISCH 3 4 O D WATER REG SCHRADER PORT DESUPER OUT HI PSI DESUPER IN 1 2 NPT LO PSI SCHRADER 10 7 16 1 2 NPT SCHRADER FRONT VIEW SIDE VIEW Unit Size 048 072 13 15 16 19 1 16 Installation Location Considerations Unit Size Unit Weight lbs 048 214 060 244 072 277 ...

Страница 10: ...gure 3 Water hook up locations Unit Size 024 030 072 Suction Line O D 3 4 7 8 Liquid Line 1 2 O D Figure 4 Liquid and suction lines Water Connections The loop water connections brought to the unit should be 1 inch male national pipe threads The desuperheater optional connec tions should be 1 2 inch male national pipe threads See Figure 3 for water hook up loca tions Refrigeration Connections The r...

Страница 11: ...be in stalled per local electric codes by a professional electrician The wires can be run to the unit through the available knockouts and to the control box in the top half of the unit Control wiring to the unit is 24 volt The termination point identifications for the terminal strip is identified per Figure 5 1 Common Hi Voltage Pump Control Low Voltage Terminal Strip to TWE for Low Voltage 1K1 to...

Страница 12: ... Electrical System The factory tested and installed control box contains all of the necessary de vices to control unit operation in both the heating and cooling mode A re mote wall thermostat is necessary for the control of the unit operation See General Information for thermostat in formation The nameplate provides information for the application of either time delay fuses or HACR circuit breaker...

Страница 13: ...ratures fall below the preset freezestat setting This device may be reset by cycling power but the system should be re viewed for operational error Important Notice The low pressure switch should be wired to activate at refrigerant pressures of 35 psig when a 35 degree F freezestat is used 7 psig when a 20 degree F freezestat is used The installer should verify that the correct freezestat and low ...

Страница 14: ... DASHED LINES INDICATE RECOMMENDED FIELD WIRING BY OTHERS DASHED LINE ENCLOSURES AND OR DASHED DEVICE OUTLINES INDICATE COMPONENTS PROVIDED BY THE FIELD DOT LINE ENCLOSURES INDICATE ALTERNATE CIRCUITRY OR AVAILABLE SALES OPTIONS SOLID LINES INDICATE FACTORY WIRING BEFORE INSTALLING FUSE IN DESUPERHEATER CIRCUIT BE CERTAIN PUMP PIPING IS CONNECTED AND FILLED WITH WATER 2 4 LEGEND DEVICE DESCRIPTION...

Страница 15: ...t also be acceptable to maintain the integrity and life of the unit The loop fluid must have minimal suspended solids and must be non corrosive to copper or brass See Table 2 for specifications Ground Water Applications Closed Loop Loop sizing should be done by a qual ified installer to insure maximized unit performance In areas where the ground water tem perature is 66 degrees F or less the earth...

Страница 16: ...the leaving fluid temperature is 95 degrees F 3 Charge the system unit until a level of 10 degrees superheat is achieved To determine super heat an accurate suction line temperature needs to be taken along with the suction pressure 4 The sub cooling will be approxi mately 8 degrees to 5 degrees F 5 Allow system to run 20 minutes for conditions to stabilize before measuring the super heat 6 Return ...

Страница 17: ...p optional when a safety is tripped A triggered lock out relay is a key indication that there is a problem in the system and service may be necessary The safety that caused the lockout relay to energize will reset itself after approximately five minutes If the lockout relay is manually reset by power interruption prior to this five minute period the unit will be unable to run To manually reset the...

Страница 18: ...eeping the pressure raised in the loop system during off cycles Electric Strip Heaters If the ETL listed strip heaters are used they can be installed directly inside the TWE air handler These heaters are rated at 230 volts and provide electric heat for both supplemental and emergency heat requirements There are a number of heater capacities available Pump Module The pump module and the hose kit ma...

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