Carrier 38MGR Series Service Manual

Carrier 38MGR Series Service Manual Manual pdf 14 page image

14 Specifications subject to change without notice. 38MGR-04SMWIRING DIAGRAMSSize 18KFig. 14 — Size 18K - 2 ZoneTable 6 — Size 18K - 2 Zone Max CodesTable 7 — Outdoor Unit IPM BoardCODE PART NAMECN3~CN4 Input: 230VAC High voltageCN23,CN25 Output: Pin1 (Connection of the high voltage)---“S”Pin2~Pin3 (230VAC High voltage)---“L1 & L2”P1~P2 Output: Connection of the REACTORCN1~CN2 Output: 230VAC High voltage ----4 Way ValveCN5~CN6 Output: 230VAC High voltage----Compressor Crankcase HeaterCN8~CN9 Output: 230VAC High voltage----Chassis Crankcase HeaterP-1~P-2 Connection to the earthCN18, CN19 Output: Pin1-Pin4: Pulse waveform (0-12VDC), Pin5, Pin6 (12VDC)--EEVCN7 Input:Pin1 (0-5VDC), Pin2 (5VDC)--Discharge SensorCN17 Input: Pin3, Pin4 (5VDC), Pin2 (0VDC), Pin1, Pin5 (0-5VDC)-Cond. and Ambient TemperatureCN15 Input: Pin1, Pin3, Pin5 (5VDC) Pin2, Pin4, Pin6 (0-5VDC)--IDU Pipe TempCN14 Input: Pin2, Pin4 (0VDC), Pin1, Pin3 (0-5VDC)---H/L Pressure SwitchesCN12 Input: Pin1 (0-5VDC), Pin2 (5VDC)--Compressor TempCN29~L-OUT Output: 230VAC High voltage--to IPM BoardCN 21 Connect to IPM BOARDCODE PART NAMECN4~CN5 Input: 230VAC High voltage---from the Main BoardCN2~CN3 Output: Connection of the REACTORU~V~W Connection to compressor voltage among phases 0~200VACCN14 Connection to DC FANCN1 Connection to MAIN BOARDCOMPRESSORCN1U(R)V(S)W(C)ELECTRONICEXPANSIVEVALVEBLUE BLACKU V WCN7VALVE-AINDOOR PIPEOUT TEMPMAIN BOARDCN19CN17 T4T3P-1REDCN18VALVE-BCN29CN21CN15T2BA BCN14LOW/HIGHCN12CompTopYELLOWREDLOW PRESSURE PROTECTHIGH PRESSURE PROTECT4CN4 CN5~ ~ IPM BOARDRED(BROWN)BLUEY/GL-OUTY/GCN6 CN5HEATER1HEAT1CN1 CN24-WAY4-WAYHEATER2OPTIONALCN9 CN8HEAT2CN2 CN3REACTORBLUE BLUE P2P1REACT0R2 R05094A OPTIONALWHITEWHITEY/GNOTE:Use the magnetic ring(not supplied, optional part)to hitch the connective cableof indoor and outdoor unitsafter installation. one magneticring is used for one cable.DC FAN6CN14L1-IN L2-INCN25CN23S-A S-BCN3 CN4BLACKBLUEBROWNBLACKREDBROWNBLUEBLACKY/G3ELECTRONICEXPANSIVEVALVE36P-2POWERL1(A)TO BS(A)L2 L2(A)L1Y/G Y/GL1(B)L2(B)S(B)3 3