Carrier BCQ018 Installation, Start-up And Service Instructions Manual

Contents

1151302523981-AModels 2 X 09 / 2 X 12 Wiring Diagram Heat pumpTB 1GR / YELBLKW H THLTVBLK* BLUE* BR*GR/YELFANJ1K4K3K2K1DC RTNFANFUSE6AW H TRVSBLKRVSBRNFCCOMP 1TB*BL UEPH-ACCOMP 130VDCPower Supply*ORL1 BR*** GR/YELGREENGREEN***GREEN1 65432TAC 673Relay BoardACINDC Out (+)BLK***REDDC RTN (-)DCOutTBBLKBLKGNDH.L.T.V123456+30 VDCHLTVCOMP 1RVSDC RTNFAN22GR/YELL1N* BR* BLUETB 1GR / YELBLKW H THLTVBLKFANJ1K4K3K2K1DC RTNFANFUSE6AW H TRVSBLKRVSBRNCOMP 1*BL UEPH-ACCOMP 130VDCPower Supply*ORN BLUEL1 BR*** GR/YELGREENGREEN***GREENTAC 673Relay BoardACIN DC Out (+)BLK***REDDC RTN (-)DCOutTBBLKBLKH.L.T.V123456 +30 VDCHLTVCOMP 1RVSDC RTNFAN1GND GNDGR/YELGR/YELNNL1L1 DCRTNDCRTNI N D O O R U N I TTH2**WH**YEL**GREEN**REDJ12J6J7 J8FANRVSCOMP.BLKJ18REDK6K5K1K2STEPPERMOTORBLUE+30V WHK8K9K7J11FAN 1FAN 3FAN 2J14BLKRED13+12V-12VBLKWHREDGREENBLDCMOTORJ1J513J3J4TH1TAC 670 controlTAC 671 MainBoard TAC672 BMotor ControlM132YELGR/YEL23465TBH.L.T.V1OR **ORGNDTH3**BLKI N D O O R U N I TTH2**WH**YEL**GREEN**REDJ12J6J7J8FANRVSCOMP.J18K6K5K1K2STEPPERMOTORK8K9K7J11J14BLKRED 13+12V-12VBLKWHREDGREENBLDCMOTORJ1J513J3J4TH1TAC 670 controlTAC 671 MainBoardTAC672 BMotor ControlM321YELGR/YEL23465TBH.L.T.V1OR**ORGNDTH3**BLK654321BLKW H TBRNREDBLKYEL /GRW H TBRNREDFANMOTORRVSHLTVRVSHLTV*** -16 AWG** -14 AWG* -12 AWGALL OTHER WIRES 18 AWG- Splice- Terminal (Unmarked)Factory WiringField Control WiringField Power WiringCC -Compressor CapacitorCOMP-CompressorFC -Fan CapacitorGND -GroundRVS -Reversing Valve SolenoidHLTV -Heating Low Temp.ValveTB -Terminal BlockBLDC - brushless DCTH 1 -Return air sensorTH 2 -Indoor coil sensorTH 3 -Outdoor coil sensorLEGENDNMains AC SupplyL1115 VACBLKTH3BLKTH322 112 1CC*BR*BLK*BR*BL UE1COMP.C SRCC*BLK*BR*BL UE2COMP.C SR*BRGR / YELRED + 30VDCBLK DC R TNYEL VSPW HT + 12VDCBLKREDBLUE+30V WHFAN 1FAN 3FAN 2O U T D O O R U N I T22GR/YEL111 - Indoor unit 1 circuit2 - Indoor unit 2 circuit111 22 21FANMOTORFC254325431546123456RED +30VDCBLK DC RTNYEL VSPWHT+12VDC1234512345N BLUE12345123456123451546Fig. 13 System Wiring Schematic 40BNQ009, 40BNQ012 FAN COIL WITH 38BCQ018, 38BCQ024 Condensing Unit