Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 104

[ III Heat source Unit Components ]
2. RELAY BOARD (RELAY 4 board)
CN39
200-240 VAC input
L1 phase
L2 phase
3. RELAY BOARD (RELAY 10 board)
HWE15150
Actuator drive signal output (200-240 VAC)
Relay board control signal input
Actuator drive signal output (200-240 VAC)
CNVCC2
12 VDC input
5 VDC input
GND
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CN39
200-240 VAC input
L1 phase
L2 phase
Relay board control
signal input
Actuator drive signal
output
(200-240 VAC)
GB