Fujitsu AUXG30KRLB, Service Instruction

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7-9. 4-way valve control
• If heating mode is selected at the compressor start, 4-way valve is energized for heating.
• When the air conditioner is switched between cooling and heating mode, compressor is stopped,
and the 4-way valve is switched when the 3 minutes passes and the compressor is started.
7-10. Human sensor for energy saving
If no one enters the room for the set time, the set temperature is automatically controlled. (When
someone comes back into the room, the human sensor detect this, and automatically revert to the
original settings.)
Operation mode
Operation details
(If there is no one in the room for a while)
Cooling/Dry
The setting temperature is increased by maximum 2°C.
(Maximum setting temperature: 30°C)
Heating
The setting temperature is decreased by maximum 2°C.
(Minimum setting temperature: 16°C)
Auto
Energy saving function is performed automatically for the selected mode
(cooling/heating/dry).
Details about detection with the human sensor:
The human sensor detects whether there are people in the room by looking for movement by people
in the room.
7-11. Peak cut operation
The current value is limited to reduce the power consumption by external input.
Peak cut level Level 1 Level 2 Level 3 Level 4
Peak cut for rated capacity
Forced thermostat
off
50% 75% 100%
NOTES:
• During defrost operation, peak cut operation becomes invalid.
• Even during the peak cut operation, the operations of current overload, economy, and low noise
are effective and the outdoor unit operates by lowest current of them.
7-9. 4-way valve control
- (04-31) -
7. Various control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS