Mitsubishi Electric PUHZ-RP3VHA Technical & Service Manual page 48

Outdoor Power board
PUHZ-RP4VHA
PUHZ-RP5VHA
PUHZ-RP6VHA
CN5
Detection of primary current
(Connect to the noise filter)
SC-P1
Connect to 52C
CN4
CN3
Connect to the
Radiator panel
controller board
temperature
thermistor
SC-N1
Connect to ACTM
CN2
Connect to the controller board
1-5: Power board
signal to the controller board (0-5V)
2-5: Zero cross signal (0-5V)
CNAF
3-4: 18V
Connect to
6-5: 15V
ACTM
7-5: 15V
CNDC
DC300V-370V
48
Transmitting
Connect to the
compressor
Voltage
among
phases:
5V-180V
SC-R, SC-S
Connect to the
noise filter
AC220V-240V
SC-P2, SC-N2
Connect to
ACTM and the
soothing capaci-
tor