Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 91

[ III Outdoor Unit / BC Controller Components ]
2. Outdoor unit inverter board
(1) PUHY/PURY
CN30V
Bleeder
resistance
connection
SW1
SW2
Address
setting
F01
Fuse
AC 250V/2A
CNAC2
Power input (AC 208/230V)
5 L1 phase
3 L3 phase
1 Ground
CNRS1
CN52C
CNFAN
52C2 driving output
Cooling fan output
AC 208/230V
1 - 3 1 - 3 AC 208/230V
CNRS2
Serial communication input from
and output to main circuit board
- 82 -
LED3 charge lamp
CNDC2
DC bus voltage input
1 - 3 DC 280V
CN15V2
Power output for IPM control
1 - 2 DC 15V
5 - 6 DC 15V
9 - 10 DC 15V
13 - 14 DC 15V
CNFG
Ground
CNL2
Choke coil for transmission line
CNL1
Choke coil for transmission line
CNVCC1 Power supply for control circuit
1 - 2 DC 30V
1 - 3 DC 30V
4 - 5 DC 7V
4 - 6 DC 12V
7 - 8 DC 7V
CNDR2
IPM control signal output
CNCT
DCCT input
CNTH
Inverter heatsink(THHS)
CNCT2
ACCT input
LED2 Inverter error
LED1 Inverter operation