Prevention To Restart For 3 Minutes (3 Minutes St); 4-Way Valve Control; Human Sensor For Energy Saving; Peak Cut Operation - Fujitsu ABHG54KRTA Service Manual

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7-10. Prevention to restart for 3 minutes (3 minutes st)

When the compressor fails to start for the number of times below, it does not enter operation status
for 3 minutes.
Retry number
Retry set number
When the compressor fails to start in the retry set number above, the compressor is stopped.

7-11. 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.

7-12. 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
Cooling/Dry
Heating
Auto
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.

7-13. Peak cut operation

The current value is limited to reduce the power consumption by external input.
Peak cut level
Peak cut for rated capacity
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.
7-10. Prevention to restart for 3 minutes (3 minutes st)
(If there is no one in the room for a while)
The setting temperature is increased by maximum 2°C.
(Maximum setting temperature: 30°C)
The setting temperature is decreased by maximum 2°C.
(Minimum setting temperature: 16°C)
Energy saving function is performed automatically for the selected mode
Level 1
Level 2
Forced thermostat
off
- (04-25) -
30
3
Operation details
(cooling/heating/dry).
Level 3
50%
75%
Level 4
100%
7. Various control

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