Mitsubishi PUMY-71VM - Page 93

93
8-8-3. Outdoor power supply board
PUMY-125YM
PUMY-125YM1
PUMY-125YMA
U, V, W
Connect to the compressor (MC)
Voltage among
phases: 5V-400V AC
P
Connect to
CB1(+)
N1
Connect to 52C
P1
Connect to
CB2 (+)
CNR
Connect to the
outdoor resistor
board (CNR)
N
Connect to
CB2 (–)
CN2
Connect to
the outdoor
multi circuit
board (CN2)
1:49C fault
2:IPM fault
3:Voltage
shortage fault
4:Voltage sigunal
5:Fan sigunal
CN4
<Inverter
sigunal>
Connect
to the
outdoor
multi
controller
board
(CN1)
49C
Thermal
switch
MF1, MF2
Connect to
fan motor
SV1
Solenoid valve
52C
52C Relay
21S4
4-way valve
CN1
Connect to the outdoor
multi controller board (CN1)
1:52C Relay
2:21S4
3:SV
4:OPEN
5:OPEN
6:Fan motorl
CN3
Connect to the
outdoor multi
controller board
(CN3)
control power
supply
1-3:12V DC
2-3:5V DC
4:OPEN
5:OPEN
6-7:30V DC
OC183E--4.qxp 10.5.6 0:54 PM Page 93