Operation Flow Chart; Cooling / Dry Operation - Daikin SkyAir GQI-Eco Series Service Manual

SiBE281013

2. Operation Flow Chart

2.1

Cooling / Dry Operation

Function and Control
Power supply ON
Initialize electronic expansion valve
Initialize micro-computer
Preheating operation control
Remote controller operation
judgement
Cooling/Dry
Operation mode
judgement
Heating
Cooling/Dry
Thermostat ON judgement
Starting control four way
valve changeover
Normal control
· Compressor step control
· Electronic expansion valve PI control
· Low pressure protection control
· High pressure protection control
· Discharge pipe temperature protection control
Oil recovery
operation starting
judgement
Oil recovery
operation
Oil recovery
operation ending
judgement
B
A
Emergency
Emergency
Heating
operation
B
Thermostat OFF judgement
Room thermostat control
Thermostat OFF by freeze-up
protection
Restart standby
A

Operation Flow Chart

· Inverter current protection control
· Low outdoor temperature cooling control
· Overall current protection control
· Simulated operation
Remote
Standby
control
judgement
operation OFF
judgement
Abnormal stop
judgement
27