Mitsubishi Electric CMB-WP108NU-AA Service Handbook page 169

[ VIII Troubleshooting ]
7) PURY-P72ZKMU-A
Noise filter
Noise filter
TB1
AC 575V
Terminal block for
Fuse
power source
Surge protection
Trans Box
Control board
Solenoid valve
4-way valve
52C, LEV
12V Power supply
TB7
Terminal block for
transmission line
for centralized control
(DC 24 ~ 30 V)
TB3
Indoor/outdoor
transmission block
(DC 24 ~ 30 V)
TB1
AC Power source
AC 208/230 V
Terminal block for
power source
TB2
Terminal block
M-NET for transmission
transmission line line connection
(Non-polar 2 wire) DC 17 ~ 30 V
TB2
AC Power source
AC 208/230 V
Terminal block for
power source
TB15
Terminal block
for MA remote
TB5
To next unit controller
(Indoor unit)
Terminal block
for transmission
line connection
DC 17 ~ 30 V
A, B
DC 17 ~ 30 V
A, B
DC 9 ~ 12 V
* MA remote controllers and ME remote controllers cannot be used together.
(Both the ME and MA remote controller can be connected to a system with a system controller.)
HWE2206A
INV board
52C Rectifier
15V Power supply
Fuse
DC / DC
Rectifier
converter
Fuse
Inverter reset
circuit
Microcomputer 15 V Power supply
Relay, LEV
Drive circuit
5 V Power supply
DC / DC converter
M-NET board
Detection circuit for
the power supply to
the transmission line
CN40
HBC controller
Indoor unit
ME remote
controller
MA remote
controller
Power source system (AC 230 / 575 V)
Control system (DC 5 ~ 30 V)
DCL Smoothing capacitor Inverter
Inverter drive
circuit
Fuse
5 V Power supply Microcomputer
Fan board
63H1
DC / DC
15 V Power supply
converter
5 V Power supply
Relay drive circuit
DC / DC
converter
30 V Power supply
Relay
- 158 -
Compressor
Heat
Inverter
exchanger
fan
Inverter drive
circuit
Microcomputer
GB