Mitsubishi Electric PURY-P200YLM-A(1) Service Handbook page 360

[8-11 Control Circuit ]
2) PURY-P450, P500, EP400, EP450YLM-A
PURY-P450, P500YLM-A1
Noise filter
TB1
380 ~ 415 VAC
Terminal block for
power source
Surge protection
Control board
Solenoid valve
4-way valve
72C, LEV
TB7
Terminal block for
transmission line
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
To next unit controller
(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 ME remote controllers cannot be used together.
(Both the ME and MA remote controller can be connected to a system with a system controller.)
HWE1314A
INV board
Rectifier
Noise filter
Fuse Fuse
17V Power supply
Rectifier
Fuse
Inverter reset
circuit
Microcomputer 16 V Power supply
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
Indoor unit
ME remote
controller
MA remote
controller
Smoothing capacitor Inverter
DCL
72C
Inverter drive
circuit
5 V Power supply Microcomputer
Fan board
Fuse
63H1
5 V Power supply
Connect board
Smoothing capacitor
Relay drive circuit
DC / DC
converter
16 V Power supply
30 V Power supply
Relay
- 349 -
Power source system (380 ~ 415 VAC)
Control system (5 ~ 30 VDC)
Compressor
Heat
Inverter
exchanger
fan 1
Inverter drive
circuit
Microcomputer
Heat
exchanger
fan 2
Fan board
Inverter
Fuse
Inverter drive
circuit
5 V Power supply Microcomputer
GB