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13-2-5. Outdoor Power circuit board
PUHZ-RP1.6VHA
PUHZ-RP2VHA
PUHZ-RP2.5VHA
PUHZ-RP3VHA
PUHZ-RP3VHA-A
LD1-LD2
300-380V DC
Connect to
the outdoor
controller
circuit board
(CNDC)
(Red)
+
1
3
–
(White)
CN2
Connect to the outdoor controller circuit board (CN2)
1-5:Outdoor power circuit board
to the outdoor controller circuit board (0-5V DC)
2-5: Zero cross signal (0-5V DC)
3-4: Not used
[
1, 2, 6, 7 : +
6-5: 15V DC
7-5: 15V DC
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
2. Check of DIP-PFC
Note:The marks, L , N , N1 , N2 , P1 , P2 , U , V and W
shown in the diagram above are not actually printed on the board.
7
Transmitting signal
]
5 : –
P2 - U , P2 - V , P2 - W , N2 - U , N2 - V , N2 - W
P1 - L , P1 - N , L - N1 , N - N1
R, S
Connect to the ACL
220-240V AC
P1
N
L
N2
W
1
CN4
CN3
Connect from the
Thermistor
outdoor controller
<Heat sink>
circuit board
(TH8)
(CN4)
125
U, V, W
Connect to the compressor (MC)
Voltage among phases: 5V to 180V AC
N1
N1
V
U
P2
CN5
Primary current detection
(Connect to the outdoor
noise filter circuit board
(CN5))
DIP-PFC
LD9
Connect to
the earth
DIP-IPM
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