Microprocessor Control - Mitsubishi Electric MXZ-18TV Service Manual

11

MICROPROCESSOR CONTROL

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