Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 325

[8-11 Control Circuit ]
2) PURY-(E)M350 - (E)M450YNW-A1
Noise filter board
TB1
AC Power source
(380-415 V)
Power-supply
terminal block
Surge protector
Filter board
Noise filter
Control board
Solenoid valve
Four-way valve
Relay/LEV
drive circuit
72C
LEV
USB circuit
TB7
Terminal block for
transmission line
CN40
for centralized control
(24-30 VDC)
TB3
Indoor/outdoor
transmission block
(24-30 VDC)
M-NET
transmission line
Terminal block for
(Non-polar 2 wire)
power source
TB3
TB2
Terminal block for
power source
TB15
Terminal block
for MA remote
TB5
controller
To next unit
(Indoor unit)
Terminal block
for transmission
line connection
17-30 VDC
A, B
17-30 VDC
A, B
9-12 VDC
* MA remote controllers and M-NET remote controllers cannot be used together.
(Both the M-NET and MA remote controller can be connected to a system with a system controller.)
58
- chapter 8
Inverter board
Noise filter
Rectifier
Fuse
Fuse
Power-supply
detection circuit
Inverter-
Fuse
reset circuit
Rectifier
Microcomputer
Circulating fan
control circuit
3.3 V
Regulator
power supply
DC-DC
5 V
converter
power supply
Transmission
power-supply
detection circuit
HBC
Indoor unit
ME remote
controller
MA remote
controller
Capacitor board
DCL 72C Smoothing capacitor
5 V power supply
Power-supply board
18 V power supply
DC-DC
converter
17 V power supply
30 V power supply
DC-DC
converter
24 V power supply
DC-DC
converter
12 V power supply
9 V power supply
Relay drive circuit
Power supply system (380-415 VAC)
Control system (5-30 VDC)
Inverter Compressor
Inverter
drive circuit
Microcomputer
FAN board
Inverter Heat exchanger fan
Fuse
Inverter
drive circuit
5 V power supply Microcomputer
FAN board
Inverter Heat exchanger fan
Fuse
Inverter
drive circuit
5 V power supply Microcomputer
Circulating fan
BS_08_L