Carrier 38MGRBQ18B-3 Service Manual page 14

38MGRBQ: Service Manual
WIRING DIAGRAMS (CONT)
Size 48K HH
CODE
CN1~CN3
CN13,CN16,CN21,CN29,CN37
P5,P6,P9
CN17~CN18
CN24~CN25
CN19~CN20
CN11
CN8
CN9
CN15,CN23,CN26
CN30,CN33,CN38
CN6
CN2~CN4
CN10
CN14
CN7
CODE
CN2~CN3
CN9
U~V~W
CN8 CN5
CODE
CN1-1-CN1-2
CN1-3
CN4
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Fig. 13 — Wiring Diagram Size 48K HH - 5 Zone Max
Table 10 — Wiring Diagram Size 48K HH - 5 Zone Max
Input: 230VAC High voltage
Output: Pin1 (Connection of the high voltage) "S" Pin2~Pin3 (230VAC High voltage) "L1 & L2"
Connection to the earth
Output: 230VAC High voltage --- REVERSING VALUE
Output: 230VAC High voltage --- CRANKCASE HEATER
Output: 230VAC High voltage --- CHASSIS HEATER
Input: Pin1, Pin3, Pin5, Pin7, Pin9 (5VDC) Pin2, Pin4, Pin6, Pin8, Pin10 (0-5VDC) indoor coil outlet sensor
Input: Pin1 (0-5VDC), Pin2 (5VDC)
Input: Pin3, Pin4 (5VDC), Pin2 (0VDC), Pin1, Pin5 (0-5VDC)
Output: Pin1-Pin4: Pulse waveform (0-12VDC), Pin5, Pin6 (12VDC) to EEV
Communication: Pin1-Pin6: Pulse waveform (0-5VDC), Pin7, Pin9 (0VDC) Pin8 (0-5VDC), Pin10 (5VDC)--to IPM &
PFC board
Output: 230VAC High voltage to IPM & PFC Board
Input: Pin2, Pin4 (0VDC), Pin1, Pin3 (0-5VDC)--H/L Pressure switch
Input:Pin1(5VDC),Pin2(0-4VDC)--COMP.TOP OLP TEMP.SENSOR
OutputPin1(Connector of the high voltage) "S"Pin2-Pin3(230VAC) High voltage)"L1&L2"
Table 11 — Wiring Diagram Size 48K HH - 5 Zone Max
Input: 224-380VAC High voltage
Communication: Pin1-Pin6: Pulse waveform (0-5VDC), Pin7, Pin9 (0VDC), Pin8 (0-5VDC), Pin10 (5VDC) to the main
board
Connect to compressor voltage among phases 0~250VAC
Connect to DC FAN voltage among phases 0-200VAC
Table 12 — Wiring Diagram Size 48K HH - 5 Zone Max
Input: 230VAC High voltage
Input: (Connection of the high voltage) "S"
Output:Pin1,Pin4 Pulse waveform(0-12VDC),Pin5,Pin6(12VDC) to EEV
OUTDOOR UNIT MAIN BOARD SIZE 48K
OUTDOOR UNIT PFC AND IPM BOARD SIZE 48K
OUTDOOR UNIT
14