Mitsubishi Electric PUHZ-W50VHA-BS Service Manual page 67

Outdoor power circuit board
PUHZ-HW140VHA(-BS)
PUHZ-HW140VHA2(-BS)
PUHZ-HW140VHA2R1(-BS)
PUHZ-HW140VHA2R2-BS
PUHZ-HW140VHA2R3(-BS)
CN4
Connect to the outdoor
controller circuit board (CN4)
N2
Connect to the smoothing
capacitor CB -
U/V/W P2
Connect to the compres- Connect to the
sor (MC) Voltage among smoothing capacitor
phases: 10 V-180 V AC CB +
OCH439H
CN2
Connect to the outdoor controller circuit board (CN2)
1-5: Transmitting signal to outdoor controller circuit
board (0-5 V DC)
2-5: Zero cross signal (0-5 V DC)
3-4: 18 V DC
6-5: 16 V DC
7-5: 16 V DC
CN52C
52C driving signal
Connect to the outdoor
controller circuit board
(CN52C)
DCL1, DCL2
Connect to DCL
67
CNDC
280-380 V DC (1+, 3-)
Connect to the outdoor
controller circuit board
(CNDC)
EI, E4 CNAC1, CNAC2
Connect to 230 V AC
the earth Connect to the out-
door controller circuit
board (CNAC)
E2, E3
Connect to the earth
NI, LI
Voltage of 230 V AC is
input (Connect to the ter-
minal block (TB1))