8-10 Control Circuit; Control Power Supply Function Block - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

[8-10 Control Circuit ]

8-10 Control Circuit

8-10-1

Control Power Supply Function Block

1) PUHY-P250YNW-A
Noise filter board
TB1
AC Power source
(380 V-415 V)
Power-supply
terminal block
Surge protector
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
(Non-polar 2 wire)
TB2
AC Power source
220-240 VAC
Terminal block for
power source
TB15
Terminal block
for MA remote
TB5
controller
Terminal block
for transmission
line connection
17-30 VDC
A, B
9-12 VDC
* 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.)
40
- chapter 8
Inverter board
Noise filter
Rectifier
Fuse
Fuse
Power-supply
detection circuit
Power-supply board
Inverter-
Fuse
reset circuit
Rectifier
Microcomputer
3.3 V
Regulator
power supply
5 V DC-DC
power supply
converter
Transmission
power-supply
detection circuit
Indoor unit
MA remote
controller
Smoothing capacitor
DCL 72C Inverter
Inverter
drive circuit
5 V power supply
Microcomputer
FAN board
18 V power supply Fuse
DC-DC
converter
17 V power supply
30 V power supply
DC-DC
converter
5 V power supply
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)
Compressor
Heat exchanger fan
Inverter
Inverter
drive circuit
Microcomputer
BS_08_C