Mitsubishi Electric PUHZ-HRP71VHA Service Manual page 74

Outdoor power circuit board
PUHZ-HRP71VHA2
PUHZ-HRP71VHA2R1
PUHZ-HRP100VHA2
PUHZ-HRP100VHA2R1
PUHZ-HRP100VHA2R2
CN4
Connect to the outdoor
controller circuit board (CN4)
N2
Connect to the smoothing
capacitor CB -
U/V/W
Connect to the compres-
sor (MC) Voltage among
phases: 10 V-180 V AC
OCH425F
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
P2 DCL1, DCL2
Connect to the smooth- Connect to DCL
ing capacitor CB +
CN52C CNDC
280-380 V DC (1+, 3-)
52C driving signal
Connect to the outdoor Connect to the outdoor
controller circuit board controller circuit board
(CN52C) (CNDC)
EI, E4 CNAC1, CNAC2
Connect to the 220-240 V AC
earth Connect to the out-
door controller circuit
board (CNAC)
74
E2, E3
Connect to the earth
NI, LI
Voltage of 220-240 V AC
is input (Connect to the
terminal block (TB1))