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[ VII Control ]
- 164 -
HWE09080 GB
(2) Heating operation
Heating operation
Test run mode
ON
Thermostat ON
3-minute restart
prevention
YES
YES
YES
NO
NO
NO
NO
1. Indoor-heat source unit fan control
2. Inverter frequency control
3. Indoor unit LEV, LEV1,LEV2a, LEV2b control
4. Solenoid valve control
5. 72C control
Normal operation
4-way valve ON
During test run mode
1.
Indoor unit fan operation at
Very Low speed
2. Inverter output 0Hz
3.
Indoor unit LEV, LEV1 Fully closed
LEV2a, LEV2b rated opening
4. All solenoid valves OFF
5. Heat source unit fan stop
6. 72C OFF
Unit in the stopped state