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3DJH

31-5000750   Rev. 1

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NS22HM Unit Operation with a Conventional 
24VAC 2-Stage Heat Pump Thermostat - Heating 
Mode

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NS22HM Unit Operation with a Conventional 
24VAC Single-Stage Heat PumpThermostat – 
Cooling Mode

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Operation Mode 

Jumper

Jumper Position

Target Suction 

Pressure Setting

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Table 26. Heating Operation Mode Jumper 

(Conventional 24VAC Thermostats Only)

Figure 47. Belly-Band Crankcase Heater Thermostat

Unit Operation

NS22HM Unit Operation with a Conventional 
24VAC 2-Stage Heat Pump Thermostat – Cooling 
Mode

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Summary of Contents for GE NS22HM

Page 1: ...31 5000750 Rev 1 10 23 READ CAREFULLY KEEP THESE INSTRUCTIONS NS22HM LJK FLHQF 6SOLW HDW 3XPS 6 VWHP XS WR 6 5 63 Service Manual...

Page 2: ...XPSHU 81 HDWLQJ 2SHUDWLRQ 0RGH XPSHU 81 8QLW 2SHUDWLRQ 82 HIURVW XQFWLRQ 83 3LQ 6HQVRU DUQHVV 6 0 2 85 3LQ 6XFWLRQ 7HPSHUDWXUH 6HQVRU LTXLG 7HPSHUDWXUH 6HQVRU DUQHVV 85 6 VWHP 5HIULJHUDQW KDUJH 0RGH X...

Page 3: ...V ZLWK SDFNDJLQJ PHYSICAL AND ELECTRICAL DATA 0RGHO 9ROWDJH 3KDVH 9ROWDJH 5DQJH 0LQ LUFXLW PS 0D 2YHU XUUHQW HYLFH DPSV RPSUHVVRU 2XWGRRU DQ 0RWRU QSXW DPSV XOO RDG DPSV 5DWHG 3 1RP 530 16 0 13 4 20 8...

Page 4: ...16 0 66 58 52 48 72 64 58 54 16 0 64 56 50 46 77 63 5DWHG LQ DFFRUGDQFH ZLWK 5 VWDQGDUG 5DWHG LQ DFFRUGDQFH ZLWK 5 VWDQGDUG DVHG RQO RQ GLVWDQFH IDFWRU RWKHU IDFWRUV PD FKDQJH WKLV YDOXH VXFK DV 8QLW...

Page 5: ...3 20 100017 03 ACCESSORIES HVFULSWLRQ KHUH 8VHG LW 1XPEHU 7 9 7 9 LW 24 1 851363 7 9 7 9 LW 36 1 851364 7 9 7 9 LW 1 851365 UHH HVWDW WXELQJ UDQNFDVH HDWHU OO PRGHOV DFWRU QVWDOOHG 6RXQG RYHU OO PRGH...

Page 6: ...Figure 1 Parts Arrangement Control Panel CONTROL PANEL 24 36 CONTROL PANEL 48 60 OUTDOOR CONTROL INVERTER REACTOR DC INVERTER CONTROL GROUND LUG CONTACTOR SPST OUTDOOR CONTROL INVERTER REACTOR DC INV...

Page 7: ...3DJH 31 5000750 Rev 1 Figure 2 Component Locations NS22H24MA4 and NS22H36MA4...

Page 8: ...3DJH 31 5000750 Rev 1 Figure 3 Component Locations NS22H48MA4 and NS22H60MA4 Scroll Compressor Models...

Page 9: ...DUH GLVFRYHUHG DQG UHSRUWHG WR WKH FDUULHU DO NOT INSTALL THE UNIT DV FODLP PD EH GHQLHG KHFN WKH XQLW UDWLQJ SODWH WR FRQ UP VSHFL FDWLRQV DUH DV RUGHUHG Safety Precautions ROORZ DOO VDIHW FRGHV HDU...

Page 10: ...WLH GRZQ EROWV VKRXOG EH XVHG DQG IDVWHQHG WKURXJK NQRFNRXWV SURYLGHG LQ XQLW EDVH SDQ Clearance Requirements KHQ LQVWDOOLQJ DOORZ VX FLHQW VSDFH IRU DLU RZ FOHDUDQFH ZLULQJ UHIULJHUDQW SLSLQJ DQG VH...

Page 11: ...ULDEOH FDSDFLW URWDU FRPSUHVVRU VSHFL FDOO GHVLJQHG IRU XQLWDU VSOLWV V VWHP 7KH 16 0 DQG 16 0 XQLWV XVH D 9 WKUHH SKDVH YDULDEOH FDSDFLW VFUROO FRPSUHVVRU 7KH VHULHV LV GHVLJQHG IRU XVH ZLWK DQ H SDQ...

Page 12: ...HSODFH VHUYLFH SRUW FDS 7LJKWHQ QJHU WLJKW WKHQ DQ DGGLWLRQDO WXUQ 7R 2SHQ LTXLG RU 6XFWLRQ LQH 6HUYLFH 9DOYH 1 5HPRYH VWHP FDS ZLWK DQ DGMXVWDEOH ZUHQFK 2 8VH VHUYLFH ZUHQFK ZLWK D KH KHDG H WHQVLRQ...

Page 13: ...32 RLO WKDW PD EH LQ WKH V VWHP RU DQG XQLWV 3RO RO HVWHU 32 RLOV LV XVHG LQ WKH YDULDEOH FDSDFLW VFUROO FRPSUHVVRUV LQ DQG XQLWV KHQ LQVWDOOLQJ WKHVH XQLWV ZLWK UHIULJHUDQW OLQHV RU FRLOV SUHYLRXVO F...

Page 14: ...60 PP LHOG IDEULFDWHG SSOLFDEOH WR DOO PLQRU UHYLVLRQ QXPEHUV XQOHVV RWKHUZLVH VSHFL HG 6RPH DSSOLFDWLRQV PD UHTXLUH D HOG SURYLGHG WR DGDSWHU Table 3 Standard Refrigerant Line Set Up to 50 Linear Fee...

Page 15: ...tion practices should be used if line set is to be installed on exterior of outside wall PVC PIPE FIBERGLASS INSULATION CAULK OUTSIDE WALL VAPOR LINE WRAPPED WITH ARMAFLEX LIQUID LINE OUTSIDE WALL LIQ...

Page 16: ...9 Remove Expansion Valve Uncased Coil Shown 1 2Q IXOO FDVHG FRLOV UHPRYH WKH FRLO DFFHVV DQG SOXPELQJ SDQHOV 2 5HPRYH DQ VKLSSLQJ FODPSV IURP WKH OLTXLG OLQH DQG GLVWULEXWRU DVVHPEO 3 LVFRQQHFW WKH H...

Page 17: ...ULJHUDQW WR RZ LQWR WKH V VWHP WKURXJK WKH YDSRU OLQH YDOYH OORZ WKH UHIULJHUDQW WR SDVV IURP WKH F OLQGHU DQG WKURXJK WKH OLQH VHW DQG WKH LQGRRU XQLW FRLO EHIRUH LW HQWHUV WKH UHFRYHU PDFKLQH 3 IWHU...

Page 18: ...tion is required if mounted external to the coil casing sensing bulb installation for bulb positioning STUB END TEFLON RING LIQUID LINE ASSEMBLY WITH BRASS NUT DISTRIBUTOR ASSEMBLY 3 Install one of th...

Page 19: ...ain round Do not crimp end of the line Remove service cap and core from both the vapor and liquid line service ports 1 2 LIQUID LINE SERVICE VALVE SERVICE PORT CORE SERVICE PORT CAP SERVICE PORT CORE...

Page 20: ...NT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WRAP SERVICE VALVES To help protect service valve seals during brazing wrap water saturated cloths around service valve bodies and copper t...

Page 21: ...em earlier is measurable with a leak detector F After the line set has been connected to the indoor and outdoor units check the line set connections and indoor unit for leaks Use the following procedu...

Page 22: ...rigerant Open the manifold gauge valve 1 to 2 psig in order to release the vacuum in the line set and indoor unit G Perform the following Close manifold gauge valves Shut off HFC 410A cylinder Reinsta...

Page 23: ...RU XQLW 1RWH WKDW WKH SXEOLVKHG SHUIRUPDQFH GDWD LV EDVHG XSRQ WKH XVH RI D WZR VWDJH WKHUPRVWDW 5HIHU WR WKH 16 0 HOG ZLULQJ GLDJUDP IRU D FRQYHQWLRQDO 9 VLQJOH VWDJH WKHUPRVWDW NS22HM Low Voltage Co...

Page 24: ...rol Options Size Circuit and Install Service Disconnect Switch 5HIHU WR WKH XQLW QDPHSODWH IRU PLQLPXP FLUFXLW DPSDFLW DQG PD LPXP IXVH RU FLUFXLW EUHDNHU 5 SHU 1 QVWDOO SRZHU ZLULQJ DQG SURSHUO VL HG...

Page 25: ...G Insulation Type HVV WKDQ P 18 7HPSHUDWXUH 5DWLQJ 0LQLPXP 0RUH WKDQ P 16 Table 7 Conventional 24VAC Thermostat Wiring Route High Voltage and Ground Wires Q H FHVV KLJK YROWDJH HOG ZLULQJ VKRXOG EH WU...

Page 26: ...TST Y1 O C W1 R G TC TO ACC2 ACC1 Y1 O DH C W2 W1 R G DS W2 O D SENSOR OPTIONAL FOR SINGLE STAGE OPERATION INSTALL A JUMPER BETWEEN Y1 TO Y2 ON THE OUTDOOR UNIT TERMINAL STRIP Figure 14 Conventional 2...

Page 27: ...XUHV WKDW UHTXLUHV RXWGRRU XQLW RSHUDWLRQ DW FDSDFLW 16 0 KDUJH 0RGH 2SHUDWLRQ ZLWK D RQYHQWLRQDO 9 HDW 3XPS 7KHUPRVWDW 2Q DSSOLFDWLRQV ZLWK D FRQYHQWLRQDO 9 WKHUPRVWDW WKH FKDUJH PRGH MXPSHU PXVW EH...

Page 28: ...WDW WKH FKDUJH PRGH MXPSHU PXVW EH LQVWDOOHG RQ WKH KDUJH 0RGH 3LQV DIWHU SURYLGLQJ D KHDWLQJ FRPSUHVVRU GHPDQG WR WKH 16 0 ZLWKRXW DQ 2 UHYHUVLQJ YDOYH VLJQDO WR LQLWLDWH WKH KDUJH 0RGH KHDWLQJ EORZH...

Page 29: ...Suction Pressure Setting FLHQF GHIDXOW 3LQ WR 3LQ 9DULDEOH EDVHG RQ 2 7 1RUPDO 3LQ WR 3LQ 36 RPIRUW XPSHU 2 36 Table 8 Cooling Operation Mode Jumper Conventional 24VAC Thermostats Only Heating Operati...

Page 30: ...OLQJ GHPDQG ZLOO LQLWLDWH FRROLQJ RSHUDWLRQ DQG UVW VWDJH LQGRRU EORZHU RSHUDWLRQ 7KH FRPSUHVVRU ZLOO EH FRQWUROOHG LQ WKH YDULDEOH FDSDFLW PRGH E YDU LQJ WKH FRPSUHVVRU FDSDFLW WR REWDLQ WKH WDUJHW V...

Page 31: ...LRQ WHPSHUDWXUH VHWWLQJ VHW RQ 8QLWDU RQWURO HIURVW F FOH ZLOO WHUPLQDWH DW WKH PD LPXP DOORZDEOH GHIURVW WLPH RI PLQXWHV KDV EHHQ UHDFKHG 7KH GHIURVW F FOH ZLOO WHUPLQDWH DIWHU VHFRQGV LI WKH RXWGRRU...

Page 32: ...DQ 4 4 WHUPLQDOV 6ZLWFKHG RXWSXW IRU 36 RXWGRRU IDQ FRQWURO QRW XVHG RQ 16 0 KHDW SXPSV 1 6ZLWFKHG 9 1RPLQDO 1 RAST Connector Terminal Designations 9 2XWSXW IRU GHIURVW DX LOLDU KHDW RXWSXW 1 9 QRPLQ...

Page 33: ...LRQ 8QLW ZLOO UXQ DW FDSDFLW RQYHQWLRQDO 9 KHDW SXPS WKHUPRVWDW RROLQJ PRGH 3URYLGH D FRPSUHVVRU GHPDQG DQG D 2 5HYHUVLQJ 9DOYH VLJQDO WR WKH 16 0 QVWDOO WKH KDUJH 0RGH MXPSHU DIWHU WKH GHPDQG EORZHU...

Page 34: ...QG VXFWLRQ OLQH VHUYLFH YDOYHV WR UHOHDVH UHIULJHUDQW FKDUJH FRQWDLQHG LQ RXWGRRU XQLW LQWR V VWHP 4 5HSODFH WKH VWHP FDSV DQG VHFXUH QJHU WLJKW WKHQ WLJKWHQ DQ DGGLWLRQDO RI D WXUQ 5 KHFN YROWDJH VXS...

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Page 40: ...N LQSXW WR OWHU ERDUG DQG UHDFWRU EHIRUH UHSODFLQJ LQYHUWHU ERDUG QYHUWHU DVK FRGH 7KH VHTXHQFH LV 5HG 7ZR ODVKHV UHHQ 7KUHH ODVKHV NOTE QYHUWHU QRUPDO RSHUDWLRQV ZLWK QR HUURU FRGH SUHVHQW LV DV IROO...

Page 41: ...IROORZV 5HG LV 21 DQG UHHQ LV 2 7R FOHDU GLVFRQQHFW SRZHU WR RXWGRRU XQLW DQG UHVWDUW 432 28 2 DVKHV 8 DVKHV 6HUYLFH 6RRQ 6HUYLFH 8UJHQW 2 QYHUWHU LQN LJK 9ROWDJH 7KH LQYHUWHU KDV GHWHFWHG D OLQN KLJK...

Page 42: ...WU WR UHGXFH WKH FXUUHQW I WKH FXUUHQW UHPDLQV KLJK RXWGRRU XQLW ZLOO VWRS FRPSUHVVRU DQG IDQ PRGHUDWH FRQGLWLRQ FOH WLPHU LV LQLWLDWHG I FRQGLWLRQ RFFXUV YH WLPHV ZLWKLQ FRQVHFXWLYH PLQXWHV WKH V VWH...

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Page 44: ...YH PLQXWHV IRU DOO FDSDFLWRUV WR GLVFKDUJH EHIRUH FKHFNLQJ VFUHZV QYHUWHU V ZLOO DVK FRGH 5HIHU WR WKH XQLW VHUYLFH GRFXPHQWDWLRQ IRU GHWDLOHG WURXEOHVKRRWLQJ SURFHGXUHV QYHUWHU DVK FRGH 7KH VHTXHQFH...

Page 45: ...PD EH FDXVHG E D KLJK ORDG FRQGLWLRQ KLJK SUHVVXUH RU RXWGRRU IDQ IDLOXUH 2XWGRRU FRQWURO ZLOO GLVSOD WKH FRGH ZKHQ WKH LQYHUWHU KDV GHWHFWHG WKH HUURU PRGHUDWH FRQGLWLRQ IWHU WKUHH PLQXWHV WKH LQYHUW...

Page 46: ...FKHFNLQJ VFUHZV 7KLV HUURU FRGH LV SULPDULO IRU LQIRUPDWLRQDO SXUSRVHV DV WKH LQYHUWHU FRQWUROV WKH FRPSUHVVRU VSHHG WR RSHUDWH ZLWKLQ GHVLJQ SDUDPHWHUV 7 SLFDOO WKH LQYHUWHU ZLOO PDNH D PLQRU VSHHG...

Page 47: ...RXWGRRU FRQWURO QYHUWHU V ZLOO DVK FRGH 5HIHU WR WKH XQLW VHUYLFH GRFXPHQWDWLRQ IRU GHWDLOHG WURXEOHVKRRWLQJ SURFHGXUHV QYHUWHU DVK FRGH 7KH VHTXHQFH LV 5HG 2QH ODVK UHHQ RXU ODVKHV NOTE QYHUWHU QRUP...

Page 48: ...de may be a single character or two characters If the unit code cannot be determined three bars appear THROUGH OR These are just examples of firmware version unit type unit nominal capacity and unit c...

Page 49: ...WKH IROORZLQJ VWULQJ DVKHV HYHU VHFRQGV SDXVH Active error in outdoor control Idle mode 6KRZ DOO DFWLYH HUURU V FRGHV ROORZLQJ GLVSOD VWULQJ LV UHSHDWHG LI UURU DQG DUH SUHVHQW SDXVH Active error in...

Page 50: ...OTE See table 7 for explanation of codes Figure 19 Push Button Operation Unit Selection Code for Outdoor Control I WKH VLQJOH FKDUDFWHU GLVSOD VKRZV WKUHH KRUL RQWDO OLQHV WKH XQLW VHOHFWLRQ FRGH QHHG...

Page 51: ...XWGRRU IDQ F FOHV OFF LQ WKH GLVSOD VWULQJ UHSUHVHQWV WKH DPELHQW WHPSHUDWXUH LQ DW WKH VHQVRU RQ WKH RXWGRRU XQLW Control can be in Idle or demand mode 7R HQWHU GLVSOD FRQ JXUDWLRQ RSWLRQ PRGH SXVK D...

Page 52: ...0 KDUJH 0RGH 2SHUDWLRQ ZLWK D RQYHQWLRQDO 9 7KHUPRVWDW 2Q DSSOLFDWLRQV ZLWK D FRQYHQWLRQDO 9 WKHUPRVWDW WKH FKDUJH PRGH MXPSHU PXVW EH LQVWDOOHG RQ WKH KDUJH 0RGH 3LQV DIWHU SURYLGLQJ D FRROLQJ GHPDQ...

Page 53: ...RXWGRRU XQLW DPSOH SDXVH 6FUROOLQJ KHQ XQLW LV LQ WKH FKDUJH PRGH 6XFWLRQ SUHVVXUH 63 6XFWLRQ 7HPS 6W 6XSHUKHDW 6 LTXLG SUHVVXUH 3 LTXLG 7HPS W DQG VXEFRROLQJ 6 ZLOO EH VFUROOHG RQ WKH VHJHPHQW GLVSO...

Page 54: ...must be repeated Yes No _ _ NOTE Either the sequence will repeat 5 times and if a selection is not made the control will return to idle mode NOT SELECTED SELECTED Configuring Unit Selection Code Powe...

Page 55: ...DFKHV WKH GHIURVW WHUPLQDWLRQ WHPSHUDWXUH VHWSRLQW 7KH PD LPXP OHQJWK RI GHIURVW F FOH LV PLQXWHV DQG WKH GHIURVW F FOH ZLOO DXWRPDWLFDOO EH WHUPLQDWHG LI WKH GHIURVW F FOH H FHHGV PLQXWHV 7ZR FRQVHFX...

Page 56: ...IDQ PRWRU 7 QVSHFW GUDLQ KROHV LQ FRLO FRPSDUWPHQW EDVH DQG FOHDQ LI QHFHVVDU NOTE I LQVX FLHQW KHDWLQJ RU FRROLQJ RFFXUV WKH XQLW VKRXOG EH JDXJHG DQG UHIULJHUDQW FKDUJH VKRXOG EH FKHFNHG Outdoor Coi...

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Page 58: ...3DJH 31 5000750 Rev 1 24 AND 36 HP MODEL Figure 24 Wiring Diagram Unit Wiring Diagram...

Page 59: ...ion From idle mode Outdoor Control 1 Sends a demand to the compressor inverter to start and run the compressor up to the requested pumping capacity Frequency in hertz 2 Output signal is provided on PW...

Page 60: ...BOVE 40 PSIG OUTDOOR AMBIENT TEMPERATURE IS 15 F OR BELOW SWITCH IS CLOSED OR 3 5 STRIKE COUNTER REACHES 5 WITHIN A SINGLE Y1 DEMAND LOW PRESSURE LOCKOUT LED ALERT CODE OR SERVICE URGENT ALERT 411 DIS...

Page 61: ...WAITING FOR PRESSURE SWITCH TO CLOSE 5 STRIKE COUNTER REACHES 5 WITHIN A SINGLE Y1 DEMAND HIGH PRESSURE SWITCH S4 LOCKOUT LED ALERT CODE OR CRITICAL ALERT 413 CLEARED SERVICE REQUIRED2 LED ALERT CODE...

Page 62: ...IS SHORT 80 OR LESS OF TARGET DEFROST CYCLE TIME FROST ACCUMULATION TIME INCREASED BY 30 MIN DEFROST CYCLE WILL RUN AND THE TIME IS COMPARED TO TARGET DEFROST CYCLE TIME 100S 133S 105S 102S DEFROST CY...

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Page 64: ...Pressure PSIG DC Voltage Output Pin 2 to Pin 3 Suction Pressure PSIG DC Voltage Output Pin 2 to Pin 3 0 110 10 120 20 130 30 140 40 150 50 160 60 170 70 180 80 200 100 210 4 50 Table 19 Suction Press...

Page 65: ...BOVE 40 PSIG OUTDOOR AMBIENT TEMPERATURE IS 15 F OR BELOW SWITCH IS CLOSED OR 3 5 STRIKE COUNTER REACHES 5 WITHIN A SINGLE Y1 DEMAND LOW PRESSURE LOCKOUT LED ALERT CODE OR SERVICE URGENT ALERT 411 DIS...

Page 66: ...WAITING FOR PRESSURE SWITCH TO CLOSE 5 STRIKE COUNTER REACHES 5 WITHIN A SINGLE Y1 DEMAND HIGH PRESSURE SWITCH S4 LOCKOUT LED ALERT CODE OR CRITICAL ALERT 413 CLEARED SERVICE REQUIRED2 LED ALERT CODE...

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Page 74: ...U IHDWXUHV D KRRN ORRS FORVXUH V VWHP IRU HDVH RI LQVWDOODWLRQ RQ WKH FRPSUHVVRU Figure 39 Compressor Sound Cover Suction Line Filter Drier Rotary Compressor Models Only 7KH 16 0 DQG 16 0 PRGHOV KDYH...

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Page 78: ...3DJH 31 5000750 Rev 1 24 AND 36 HP MODEL Figure 45 VAC Voltage Check...

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Page 101: ...4 INCREASE THE AIRFLOW 58 14 15 1 WITHIN 3 RANGE NO CHANGE 62 10 15 5 DECREASE THE AIRFLOW DT 80 24 24 24 23 23 22 22 22 20 19 18 17 16 15 78 23 23 23 22 22 21 21 20 19 18 17 16 15 14 76 22 22 22 21 2...

Page 102: ...IMUM CAPACITY NOTE THE REFERENCE TABLE IS A GENERAL GUIDE EXPECT MINOR PRESSURE VARIATIONS SIGNIFICANT DIFFERENCES MAY MEAN IMPROPER CHARGE OR OTHER SYSTEM PROBLEM 5 SET THERMOSTAT FOR HEAT COOL DEMAN...

Page 103: ...3DJH 31 5000750 Rev 1 Figure 54 NS22H24M NS22H36M Charging Label...

Page 104: ...3DJH 31 5000750 Rev 1 Figure 55 NS22H48M NS22H60M Charging Label...

Page 105: ...3DJH 31 5000750 Rev 1 Notes...

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