Mitsubishi PUHZ-RP60VHA Service Manual Page 86

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86
CN2
Connect to the outdoor controller circuit board (CN2)
1-5:Outdoor power circuit board
Transmitting signal
to the outdoor controller circuit board (0-5V DC)
2-5: Zero cross signal (0-5V DC)
3-4: Not used
6-5: 16V DC
7-5: 16V DC
1
7
Outdoor power circuit board
PUHZ-RP35VHA2
PUHZ-RP50VHA2
PUHZ-RP60VHA2
PUHZ-RP71VHA2
1
3
(Red)
(White)
1, 2, 6, 7 : +
5 : –
]
[
+
P1 N L N1
N1
W V U P2
N2
Brief Check of DIP-IPM and DIP-PFC
W Usually, they are in a state of being short-circuited if they are broken.
Measure the resistance in the following points (connectors, etc.). If they
are short-circuited, it means that they are broken.
1. Check of DIP-IPM
P2 - U , P2 - V , P2 - W , N2 - U , N2 - V , N2 - W
2. Check of DIP-PFC
P1 - L , P1 - N , L - N1 , N - N1
Note:The marks, L , N , N1 , N2 , P1 , P2 , U , V and W
shown in the diagram are not actually printed on the board.
LD1-LD2
280-380V DC
Connect to
the outdoor
controller
circuit board
(CNDC)
R, S
Connect to the ACL
220-240V AC
U, V, W
Connect to the compressor (MC)
Voltage among phases: 5V to 180V AC
LD9
Connect to
the earth
Only RP60,
71VHA2
CN5
Primary current detection
(Connect to the outdoor
noise filter circuit board
(CN5))
CN4
Connect from the
outdoor controller
circuit board
(CN4)
CN3
Thermistor
<Heatsink>
(TH8)
DIP-IPM
DIP-PFC
OC374C--3.qxp 08.2.22 8:15 AM Page 86
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