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IM2517WN 03/13

Installation Information

Water Piping Connections

Electrical Data

Microprocessor Control

Startup Procedures

Preventive Maintenance

5 Series 50

2W12 Ins

tallation Manual

Serie

High Temp Hydronic Geothermal Heat Pump

•

R-134a

Refrigerant

• 7 Ton Dual Capacity

502W12

Содержание 502W12

Страница 1: ...er Piping Connections Electrical Data Microprocessor Control Startup Procedures Preventive Maintenance 5 Series 502W12 Installation Manual C US 5 Serie ll l High Temp Hydronic Geothermal Heat Pump R 1...

Страница 2: ......

Страница 3: ...Control Setup 17 Control Features 18 Sequence of Operation 20 Inputs and Outputs Configuration 21 Unit Display and Interface 21 Reference Calculations 24 Legend 24 Unit Startup 24 Operating Parameter...

Страница 4: ...10 0 11 A 12 B 13 14 SS 15 A Model NHW 5 Series High Temp Hydronic Heat Pump Capacity 084 Dual Compressor 84 MBtu h Operation H Heating Only R Reversible Voltage 1 208 230 60 1 Controls 8 FX10 std no...

Страница 5: ...ier should make the proper notation on delivery receipt acknowledging the damage Units are to be stored in a location that provides adequate protection from dirt debris and moisture WARNING To avoid e...

Страница 6: ...steel hose clamps CK5L XLS 1 1 4 in rubber hose kit includes all the same items from CK5L XL plus 1 1 4 in 20 mesh bronze strainer WARNING All field installed piping and piping connections must be ra...

Страница 7: ...s Under this scenario the evaporating temperature can fall outside of the compressor operating window To allow the system to operate correctly restricting the source side flow when the evaporating te...

Страница 8: ...Air Separator Back Flow Preventer Pressure Relief Valve GEO STORAGE TANK 3 Way Valves Y Strainer required to prevent damage from fouling Hose Kit Pressure Reduction Pressure Reduction Hose Kit P T Po...

Страница 9: ...sion erosion or deterioration of equipment The heat exchangers in the units are 316 stainless steel plates with copper brazing The water piping in the heat exchanger is steel There may be other materi...

Страница 10: ...6 A 473 2 B7 B 03 AE7B1632 1 B 0 F B7 2 A C 13 AB 2 2 B7 E B3 7 3A 7 G A3 D713 113AA 2 A C 13 1 B 0 F B3 B3 A3 D713 113AA B7 E D B 53 9 19 CB 7 3 D B 53 9 19 CBA E D B 53 9 19 CB 1 B 0 F B7 1 B 0 F A6...

Страница 11: ...pressor 2 each Scroll Factory Charge R 134a oz kg 76 2 16 Load Water Connection FPT in 1 25 Source Water Connection FPT in 1 25 Weight Operating lb kg 420 190 Weight Packaged lb kg 415 188 2 14 12 HAC...

Страница 12: ...Red 36 T Yellow Blue 37 Yellow Blue 38 Tan Black 84 Tan Black 85 S WCT Circuit A L WCT Circuit A S WCT Circuit B L WCT Circuit B LLT Green Yellow 23 Yellow 21 Black White 22 Black 64A 2 3 1 PB2 Black...

Страница 13: ...Black F20 Timer delay on close Red 104 Yellow 102 Black 30 97P841 01 03 15 12 Ground Legend CC Compressor Contactor CS Current Switch ELT Entering Load Temp ES Emergency Shutdown EST Entering Source T...

Страница 14: ...Circuit A S WCT Circuit B L WCT Circuit B LLT Green Yellow 23 Yellow 21 Black White 22 Black 64A 2 3 1 PB2 Black 54 Red 55 Gray 56 Pink 58 Brown 57 Gray 59 6 15 7 16 9 8 17 14 5 18 13 4 1 3 12 10 11 2...

Страница 15: ...ck F18 Black F19 Black F20 Timer delay on close Black 30 Yellow 102 97P841 02 03 15 12 Ground Legend CC Compressor Contactor CS Current Switch ELT Entering Load Temp ES Emergency Shutdown EST Entering...

Страница 16: ...6 Com DI6 DI5 DI4 DI3 DI2 DI1 9VDC 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 D09 D08 D07 D0 6 D05 D04 D03 D02 D01 J8 J2 J10 J9 J7 NOTE 7 A21 A12 A25 A22 A32 A31 A35 A23 A13 A11 A15 A14 A24 A3...

Страница 17: ...ed wiring Terminals in the unit are not designed for other types of conductors WARNING All wiring must comply with local and state codes Disconnect the power supply before beginning to wire to prevent...

Страница 18: ...4 The accessory output will be energized 90 seconds prior to the lead compressor output being energized When the lead compressor output is turned off the accessory output will be deactivated immediate...

Страница 19: ...to operate so that the refrigerant temperature may eventually be at the threshold of the freeze detection setpoint NOTE This Lockout produces a Pre Freeze detection error on the MUI display Capacity...

Страница 20: ...and the fixed compressor start delay timer has been satisfied When heating is no longer required the compressor will be turned off immediately after the compressor minimum on delay has been satisfied...

Страница 21: ...sion Card Input Name Input Output Name Output Entering Source Water Temperature AI 1 Unused DO 1 Leaving Source Water Temperature 1 AI 2 Unused DO 2 Current Switch 1 Compressor 1 AI 3 Unused DO 3 Curr...

Страница 22: ...1 30 0 F Load Frz2 30 0 F Src Frz Setpt 30 0 F LD Frz Setpt 30 0 F Temp Settings Unit of Measure F Settings Water to Water PRODCWWE 08B MM DD YY Unit Display and Interface cont Maintenance Y1 Input Au...

Страница 23: ...point LD FP 1 Sensor Bad The sensor for load freeze detection on compressor circuit 1 is unreliable or is not reading Source Flow Source Flow Switch is Not Closed The source flow switch must be closed...

Страница 24: ...Flow switches are installed and ready Freeze detection setpoints have been set in the microprocessor WARNING Verify ALL water controls are open and allow water flow PRIOR to engaging the compressor Fa...

Страница 25: ...ions with 25 gpm for the load and source 2 14 12 Cooling Mode Entering Load Temp F Entering Source Temp F Suction Pressure psig Discharge Pressure psig Superheat F Subcooling F 50 30 15 25 28 50 18 26...

Страница 26: ...nding 084 1 33 ohms 0 38 ohms NOTE Tolerance 7 2 14 12 Compressor Resistance Model Source gpm Load gpm EST F Heat Of Extraction HE Heat of Rejection HR 60 F 80 F 100 F 120 F 140 F 30 F 50 F 70 F 90 F...

Страница 27: ...______PSI ______SAT F ______ F ______ F Liquid Line NOTE Do not attach refrigerant gauges unless a problem is suspected Suction Discharge Compressor RV Braze Plate Braze Plate FD ______PSI ______SAT F...

Страница 28: ...______ AMPS n ______ AMPS Watts m x n x 0 85 o _____ WATTS o ______ WATTS o ______ WATTS 6 CAPACITY Cooling Capacity HR o x 3 413 p _____ btu hr Heating Capacity HE o x 3 413 p _____ btu hr 7 EFFICIE...

Страница 29: ...a bypass of refrigerant If the unit will not heat check the reversing valve coil If the unit operation is noisy 1 Check compressor for loosened mounting bolts Make sure compressor is floating free on...

Страница 30: ...Pressure Switch 35P512 01 Water Temperature Sensor 12P529 04 Freeze Detection Sensor 12S529 01 Electrical Compressor Contactor 13P004A03 Transformer 15P501B01 Connection Block Small 12P503 06 Connect...

Страница 31: ...502W12 INSTALLATION MANUAL Revision Guide Pages Description Date By 18 Updated Field Wiring and Control Setup 25 Feb 2013 DS 20 Updated Sequence of Operation 25 Feb 2013 DS 31 Added Revision Guide 25...

Страница 32: ...erFurnace International Inc 9000 Conservation Way Fort Wayne IN 46809 9794 WaterFurnace has a policy of continual product research and development and reserves the right to change design and speci cat...

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