Mitsubishi Electric CMB-WM108V-AA Service Handbook page 203

[ VIII Troubleshooting ]
2) PURY-(E)P***YLM-A
Noise filter
TB1
AC 380/ 415V
Terminal block for
power source
Surge protection
Control board
Solenoid valve
4-way valve
CH11
72C, LEV
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 220 / 240 V
Terminal block for
power source
TB2
M-NET
transmission line
(Non-polar 2 wire)
TB2
AC Power source
AC 220 / 240 V
Terminal block for
power source
TB15
TB5
To next unit
(Indoor unit)
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.)
HWE1708A
INV board
Rectifier
Noise filter
Fuse
Fuse
17V Power supply
Rectifier
Fuse Inverter reset
circuit
Microcomputer
Relay, LEV
Drive circuit
5 V Power supply
12V Power supply
DC / DC converter
M-NET board
Detection circuit for
the power supply to
the transmission line
CN40
HBC controller
Terminal block
for transmission
line connection
DC 17 ~ 30 V
Indoor unit
Terminal block
for MA remote
controller
Terminal block
for transmission
line connection
DC 17 ~ 30 V
ME remote
controller
MA remote
controller
Smoothing capacitor
DCL
72C
5 V Power supply
63H1
18 V Power supply
Relay drive circuit
DC / DC
converter
30 V Power supply
Relay
- 194 -
Power source system (AC 380 / 415 V)
Control system (DC 5 ~ 30 V)
Compressor
Inverter
Inverter drive
circuit
Microcomputer
Fan board
Heat
Inverter
exchanger
Fuse
fan
Inverter drive
circuit
5 V Power supply Microcomputer
GB