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Carrier 40MAQB18B--3 - Wiring Diagram

Carrier 40MAQB18B--3
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24
WIRING DIAGRAMS
Fig. 19 Wiring Diagrams 18k
Table 12—Outdoor Unit Control Board Size 18
CODE PART NAME
CN18/CN19/CN22 Output:Pin5&6(12V) Pin1-- Pin4:Pulse waveform,(0--12V)
CN17 Input:Pin3~4 (5V) Pin2(0V),Pin1,Pin5(0--5V)
CN7 Input:Pin1 (0--5V) Pin2(5V)
CN1~CN2CN5 ~CN6 Output: CN1~CN2 CN 5~CN6230VAC High voltage
P1~P2 Output: Connection of the high voltage
CN3~CN4 Input:230VAC High voltage
CN14 InputPin1,Pin3(0V)Pin2,Pin40~5V
P--1,P--2 Connection to the earth
CN20,CN23,CN25 Output: Pin1Connection of the high voltage),Pin2~Pin3230VAC High voltage
CN15 Input: Pin1,Pin3,Pin5(5V)Pin2,Pin4,Pin60~5V
CN37 Output: Pulse(0--320VDC) for DC FAN
CN38 Input: Pin1~Pin217VDC
N--OUT~L-- OUT Output: 230VAC High voltage
CN21 input: Pin1~Pin312VDC),Pin2~Pin35VDC),Pin4~Pin30~5VDC),Pin5~Pin30~5VDC
CN39 Input: 270~370VDC High voltage
OUTDOOR UNIT IPM BOARD
CN4~CN5 Output: 230VAC High voltage
CN2,CN3 Connect to Reactor, (270~370VDC)
CN6 Output: Pin1~Pin217VDC
CN1 Output: Pin1~Pin312VDC),Pin2~Pin35VDC),Pin4~Pin30~5VDC),Pin5~Pin30~5VDC),
CN11~CN12 Output: 270~370VDC High voltage
U~V~W Connect to compressor voltage among phases 0~200VAC

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