9
AH-S22AW2
AH-S25AW2
OUTDOOR UNIT for AU-S22AW2 and AU-S25AW2
CPU
Test mode circuit
Model select swith circuit
(Dip switch)
LED drive circuit
Winter kit circuit (option)
Heat exchanger pipe
thermo circuit
Compressor thermo circuit
CPU reset circuit
Serial I/O circuit
Power transistor module
drive circuit
Outdoor fan relay drive
circuit
Power supply
circuit (built
into IPM)
CPU oscillator circuit
AC overcurrent detection
circuit
DC overcurrent detection
circuit
LED
Heat exchanger pipe
thermistor
Compressor thermistor
Current transformer
Compressor
Power
transistor module
Outdoor fan
Smoothing
circuit
Filter
circuit
Unit-unit
wiring (AC
power and
serial
signals)
13 A
protection
Outdoor temp. thermo.
circuit
Outdoor temperature
thermistor
10 A
protection
3 A
protection
Heat exchanger pipe
thermistor(option)
Outdoor temperature
thermistor(option)