Mitsubishi Electric PUHY-P200 Service Handbook page 151

[ P450~P650 types ]
Fuse (50A)
TB1
AC380~415V
Noise filter
Terminal block for
power source
52F
52C2
Relay board
52F
52C2
drive circuit
52C1, 52C2
52C1
Relay,LEV
Solenoid valve
drive circuit
4-way valve
TB7 Micro-
computer
Terminal block for
centralized control
(DC24 ~ 30V)
TB3
Terminal block for
transmission line
Control circuit board
(DC24 ~ 30V)
M-NET trans-
mission line
(Non-polar
2-wire line)
TB2
AC220~240V
Terminal block for power source
TB15
MA remote controller
terminal block
TB5
To next unit
Transmission
(Indoor unit)
terminal block
DC17~30V
A,B
MA remote DC17~30V
controller line
(Non-polar
2-wire line)
A,B or 1,2
DC8.5~12V
❉ M-NET remote controller and MA remote controller can not be used together.
51C2
Rectifier 52C1
Heat
Fuse (6.3A)
exchanger
fan
52F
Heat
exchanger
fan
IPM drive circuit
Microcomputer
Transformer
Power source
Power source
FAN control board
5V
Power source
Power supply for centralized control
CN40
Power supply for transmission line
Indoor unit
M-NET remote
controller
MA remote
controller
Power source system
Control system (DC5~30V
52C2
Smoothing
capacitor Inverter
Fuse
IPM drive circuit
(10A)
IPM
Fuse
(2A)
5V
DC/DC converter
15V
Power source
Rectifier
12V
Power source
7V
Power source
30V
Power
source
Power circuit board
- 149 -
)
No.2
Compressor
No.1
Compressor
G/A board
15V
Power source
12V
❉
Outdoor unit
Power source
5V
Cooling fan
Cooling fan
drive circuit
Microcomputer