Service manual

SiBE05-722_C Control Specification
Function and Control 37
3. Control Specification
3.1 Mode Hierarchy
Outline Air conditioner control has normal operation mode, forced operation mode, and power transistor
test mode for installation and servicing.
Detail Cooling Only Model
Heat Pump Model
Note: Unless specified otherwise, a dry operation command is regarded as cooling operation.
(R17487)
Air conditioner control mode
Forced operation mode
Forced cooling operation (for pump down operation)
Power transistor test mode
Normal operation mode
Fan
Cooling (includes drying)
Stop (indoor unit: OFF)
Preheating operation
Discharging from capacitor
Stop
Air conditioner control mode
Forced operation mode
Forced cooling operation (for pump down operation)
Power transistor test mode
Normal operation mode
Fan
Cooling (includes drying)
Heating
Heating
Defrosting
Stop (indoor unit: OFF)
Preheating operation
Discharging from capacitor
Stop
(R17533)