Daikin SkyAir RZR-TA Series Service Manual page 77

Operation in
stop control
Indoor unit stop or
thermostat OFF
Pressure
equalization
prior to startup
Startup control
• Cooling startup
control
• Heating startup
control
Normal operation
• Compressor PI control
• Electronic expansion
valve PI control
• Protection control
Cooling or heating
operation
Oil return starting
conditions are met.
Defrost starting
conditions are met.
Operation
mode change
Indoor unit thermostat ON
Error/Standby
Indoor unit stop or
thermostat OFF
Indoor unit thermostat ON
Error/Standby
Indoor unit stop or
thermostat OFF
YES
NO
YES
NO
YES
NO
Restart standby
(Compressor stop)
Pump down
residual
operation
Error/Standby
Oil return operation
Defrost control
Error/
Standby