Carrier 40TGV0131UP Service Manual page 44

No. Item
11 Energy-saving
control
DC motor
12
Outline of specifications
1) Selecting [AUTO] mode enables an energy-saving to
be operated.
2) The setup temperature is shifted (corrected) in the
range not to lose the comfort ability according to input
values of various sensors.
3) Data (Input value room temp. Ta, Outside temp. To,
Air volume, Indoor heat exchanger sensor temp. Tc)
for 20 minutes are taken the average to calculate
correction value of the setup temperature.
4) The setup temperature is shifted every 20 minutes,
and the shifted range is as follows.
In cooling time: +1.5 to – 1.0K
1) When the fan operation has started, positioning of the
stator and the rotor are performed.
(Moves slightly with tap sound)
2) The motor operates according to the command from
the indoor controller.
Notes)
• When the fan rotates while the air conditioner stops due
to entering of outside air, etc, the air conditioner may
operate while the fan motor stops.
• When a fan lock is found, the air conditioner stops, and
an error is displayed.
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Remarks
Check code [P12]