Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook page 317

[8-11 Control Circuit ]
4) CMH-WM250 - WM500V-A
Power-supply board
Fuse
Noise
Filter
TB01
AC Power source
(220-240 VAC)
Fuse
Terminal block for
power source
Surge protector
Solenoid valve
Relay/LEV
drive circuit
X52
LEV
TB3
Indoor/outdoor
transmission block
(24-30 VDC)
62
- chapter 8
AC
Current
X52
sensor reactor
Fuse
Microcomputer
Power-
(PS)
supply
detection
circuit
Microcomputer
(MAIN)
5 V power supply
Power reception
switching
Control board
Power supply system (220-240 VAC, 260-338VDC)
Control system (5-30 VDC)
Inverter board
Rectifier Smoothing
diode capacitor
Fuse
DC-DC
17 V power supply
converter
13 V power supply
Rectifier
Converter
diode
5 V power supply
15V power supply
Converter
drive circuit
Relay drive circuit
Regulator
12V power supply Diode
Regulator
Pump
Inverter
Inverter
drive circuit
Microcomputer 5 V power supply
Regulator
X511
Relay coil
BS_08_E