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[ IX Troubleshooting ]
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HWE0803A GB
2) PURY-P96, P120THMU-A
* 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.)
TB2
TB15
Terminal block for
power source
TB5
Terminal block
for MA remote
controller
Terminal block
for transmission
line connection
DC 17 ~ 30 V
CN40
A, B
A, B
MA remote controller wiring
(Non-polar 2 wire)
DC 17 ~ 30 V
DC 9 ~ 12 V
M-NET remote
controller
MA remote
controller
AC 208 / 230 V
Terminal block for
power source
TB1
Noise filter
Noise filter
Fuse
Surge protection
INV board
72C DCL
Rectifier
Smoothing capacitor
15V Power supply
Inverter drive
circuit
Microcomputer
5 V Power supply 12 V Power supply
DC / DC
converter
Fuse
Inverter
Compressor
Heat
exchanger
fan
Fuse
Fan board
Microcomputer
5 V Power supply
Inverter
Inverter drive
circuit
Outdoor unit
Power source system (AC 208 / 230 V)
Control system (DC 5 ~ 30 V)
63H1
Inverter reset
circuit
DC / DC converter
Microcomputer
5 V Power supply
18 V Power supply
Fuse
Detection circuit for
the power supply to
the transmission line
M-NET board
DC / DC
converter
30 V Power supply
Relay drive circuit
Relay
Indoor unit
LEV
72C
Solenoid valve
4-way valve
CH11
Fuse
Control board
12V Power supply
Relay, LEV
Drive circuit
AC 208 / 230 V
AC Power source
To next unit
(Indoor unit)
Terminal block for
transmission line
for centralized control
(DC 24 ~ 30 V)
TB7
Indoor/outdoor
transmission block
(DC 24 ~ 30 V)
TB3
[THMU-A]