Service Manual

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+4
+3
Tsc
Ta( ˚C)
Normal control
Max. frequency is restricted
to approximately the rated
cooling frequency
Tsh
–3
–4
Ta( ˚C)
Normal control
Max. frequency is restricted
to approximately the rated
heating frequency
No.
17
18
Item
Max. frequency
cut control
DC motor
Outline of specifications
1) This control is operated by selecting [AUTO] operation
mode.
2) COOL operation mode: the frequency is controlled
according to the following figure if To < 28°C.
3) HEAT operation mode: the frequency is controlled
according to the following figure if To > 15°C.
It cannot be operated on the remote controller at indoor
unit side. (Stop status is held.)
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 oper-
ated while the fan motor stops.
• When a fan locking is found, the air conditioner stops, and
an error is displayed.
Remarks
Check code [P12]