MXZ-5C42NA3 Service Manual

106
ACTUATOR CONTROL10
MXZ-3C24NA MXZ-3C30NA MXZ-4C36NA MXZ-5C42NA
MXZ-2C20NA2 MXZ-3C24NA2 MXZ-3C30NA2 MXZ-4C36NA2 MXZ-5C42NA2
MXZ-2C20NA3 MXZ-3C24NA3 MXZ-3C30NA3 MXZ-4C36NA3 MXZ-5C42NA3
MXZ-2C20NA4 MXZ-3C24NA4 MXZ-3C30NA4 MXZ-4C36NA4 MXZ-5C42NA4
MXZ-2C20NAHZ MXZ-3C24NAHZ MXZ-3C30NAHZ
MXZ-2C20NAHZ2 MXZ-3C24NAHZ2 MXZ-3C30NAHZ2
MXZ-2C20NAHZ3 MXZ-3C24NAHZ3 MXZ-3C30NAHZ3
MXZ-2C20NAHZ4 MXZ-3C24NAHZ4 MXZ-3C30NAHZ4
Relation between main sensor and actuator
Sensor Purpose
Actuator
Compressor LEV
Outdoor
fan motor
4-way valve
2-way solenoid
valve
Defrost
heater
MXZ-5C42NA
MXZ-2C20NAHZ
MXZ-3C24NAHZ
MXZ-3C30NAHZ
MXZ-5C42NA2
MXZ-2C20NAHZ2
MXZ-3C24NAHZ2
MXZ-3C30NAHZ2
MXZ-5C42NA3
MXZ-2C20NAHZ3
MXZ-3C24NAHZ3
MXZ-3C30NAHZ3
MXZ-5C42NA4
MXZ-2C20NAHZ4
MXZ-3C24NAHZ4
MXZ-3C30NAHZ4
MXZ-2C20NAHZ
MXZ-3C24NAHZ
MXZ-3C30NAHZ
MXZ-2C20NAHZ2
MXZ-3C24NAHZ2
MXZ-3C30NAHZ2
MXZ-2C20NAHZ3
MXZ-3C24NAHZ3
MXZ-3C30NAHZ3
MXZ-2C20NAHZ4
MXZ-3C24NAHZ4
MXZ-3C30NAHZ4
Discharge temperature
thermistor
Protection
○ ○ ○
Indoor coil temperature
thermistor
Cooling: Coil frost
prevention
○ ○
Heating: High pressure
protection
○ ○
Defrost thermistor Heating: Defrosting
○ ○ ○ ○
Fin temperature
thermistor
Protection
○ ○
Ambient temperature
thermistor
Control/Protection
○ ○ ○ ○
Heating: Defrosting
(Heater)
○
Outdoor heat exchanger
temperature thermistor
Cooling: Control/
Protection
○ ○ ○ ○
Capacity code Control
○ ○
OBH702M