Filter
Top Products
[ IX Troubleshooting ]
- 259 -
HWE08040 GB
-7- Control Circuit (THMU-A)
(1) Control power source function block
1) PUHY-P72, P96THMU-A
Outdoor unit
Power source system (AC 208 / 230 V)
Control system (DC 5 ~ 30 V)
* 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.)
A, B
A, B
M-NET
transmission line
(Non-polar 2 wire)
AC 208 / 230 V
AC Power source
To next unit
(Indoor unit)
MA remote controller wiring
(Non-polar 2 wire)
DC 17 ~ 30 V
DC 9 ~ 12 V
M-NET remote
controller
MA remote
controller
Indoor unit
TB2
TB15
Terminal block for
power source
TB5
Terminal block
for MA remote
controller
Terminal block
for transmission
line connection
DC 17 ~ 30 V
AC 208 / 230 V
Terminal block for
power source
TB1
Noise filter
Noise filter
Fuse
Fuse
Fuse
LEV
Fuse
Surge protection
INV board
Control board
Fan board
63H1
72C
DCL
DC / DC converter
Detection circuit for
the power supply to
the transmission line
M-NET board
DC / DC
converter
Microcomputer
Microcomputer
Microcomputer
5 V Power supply
18 V Power supply
12V Power supply
30 V Power supply
Relay drive circuit
Relay
5 V Power supply
5 V Power supply
17V Power supply
Smoothing capacitor
Inverter
Inverter
Inverter drive
circuit
Inverter drive
circuit
Inverter reset
circuit
Rectifier
Compressor
Heat
exchanger
fan
Smoothing capacitor
Relay, LEV
Drive circuit
72C
Solenoid valve
4-way valve
CH11
CN40
Terminal block for
transmission line
for centralized control
(DC 24 ~ 30 V)
TB7
Indoor/outdoor
transmission block
(DC 24 ~ 30 V)
TB3
[THMU-A]