user manual

No.
16
17
Item
Power-saving
control
Max. frequency
cut control
Outline of specifications
1) Power-saving opration is available in the AUTO mode.
2) The set temperature is corrected using various sensor data
within the range where comfort is maintained.
3) By using various sensor data including room temp. Ta, outside
air temp. To, fan speed, and indoor unit heat exchange sensor
temp. Tc, 20 minutes data is averaged to calculate a set
temperature correction value.
4) The set temperature is corrected every 20 minutes with the
following shift range.
Cooling: +1.5 to –1.0K
Heating: –1.5 to +1.0K
1) This control is operated by selecting [AUTO] operation mode.
2) COOL operation mode:
It is controlled according to the following figure if To <28°C.
Remarks
3) HEAT operation mode:
It is controlled according to the following figure if To >15°C.
18 DC motor 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.
Check code [P12]
+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
FILE NO. SVM-12004
– 35 –