Inverter Multi System Control - Mitsubishi Electric MSH09TW Service Manual

10-9. INVERTER MULTI SYSTEM CONTROL

MXZ30TN MXZ30TN2
Indoor unit
microprocessor
Indoor Unit
C
Indoor Unit
B
Indoor Unit
A
Indoor Unit
A
Indoor Unit
B
Indoor Unit
C
Outdoor unit control microprocessor
IPM
SSR61
H.P.S 63H2
H.P.S 63H1
Muffler
Gas pipe
temperature
thermistor
RT66, 67, 68
LEV1
LEV2
LEV3
Compressor
power
factor
Drive
circuit
Transistor
module
Fin temperature
thermistor RT65
Comp.
Discharge
temperature
thermistor
RT61
R. V. coil
21S4
Evaporation
temperature
thermistor
RT63
64
Output signal
Input signal
Compressor Compressor
primary secondary
current current
Accumulator
x 61
x 62
x 63
Outdoor
fan motor
MF61
Defrost
thermistor
RT62