Service manual

Control Specification SiBE061121_A
40 Function and Control
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
Note: Unless specified otherwise, a dry operation command is regarded as cooling operation and a
radiant operation command is regarded as heating operation.
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)