Service manual

MICROPROCESSOR CONTROL
14
11
Compressor
power
factor
Indoor unit
microprocessor
SSR61
Drive
circuit
Transistor
module
Indoor Unit
B
Indoor Unit
B
Comp.
Discharge
temperature
thermistor
RT61
Evaporation
temperature
thermistor
RT63
Gas pipe
temperature
thermistor RT66
Gas pipe
temperature
thermistor RT65
Indoor Unit
A
Indoor Unit
A
Outdoor
fan motor
MF61
x 61
x 62
Defrost
thermistor
RT62
LEV (A)
LEV (B)
Outdoor unit control microprocessor
Compressor
primary
current
Compressor
secondary
current
Fin temperature
thermistor RT67
R. V. coil
21S4
Input signal
Output signal
MXZ-18TV -
MXZ-18TV -
E2
E1
INVERTER MULTI SYSTEM CONTROL
OB280-1.qxp 02.12.19 11:15 AM Page 14