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BLOCK DIAGRAM
MODEL
RAS-25WX8 / RAC-25WX8
RAS-35WX8 / RAC-35WX8
INDOOR UNIT
M
FM
Buzzer circuit
Indicating lamp
Filter.
Operation.
Timer.
Auto sweep motor 2
Auto sweep motor 1
Front panel
motor
M
M
Indoor microcomputer (AX-7X30)
Indoor DC fan motor
Indoor / Outdoor
interface circuit
Heat exchanger
thermistor
Room temperature
thermistor
Wireless receive
circuit
DC fan motor drive
circuit
Microcomputer clock
circuit
Initial setting circuit
Limit switch
Ionizer
Reset circuit
Temporary switch
Wireless remote
control
C
D
OUTDOOR UNIT
C
D
Magnetic relay
Power module
Inrush current
Protection circuit
ACT
Power circuit
L
N
Power source
1
ij
50Hz,
220-230V
Outdoor DC fan motor
SPM2
DC compressor
motor
FM
M
Trip signal
synthesis circuit
Upper arm
drive circuit
Lower arm
drive circuit
Electric Expansion
valve drive circuit
Peak current
cut off
DC current signal
Rotor magnetic
pole position
detection circuit
Peak current cut
off circuit
Overload control
circuit
Voltage
amplification
circuit
Over heat thermistor
Indoor / Outdoor
interface circuit
Power circuit
(Indoor unit)
Power circuit
(P.W.B.)
Defrost thermistor
Outdoor temperature thermistor
Self-diagnosis circuit
Relay drive circuit
Reset circuit
Reversing valve coil
Outdoor microcomputer (AX-8T11)
Clock
circuit
Electric
Expansion
valve
M
DC35V