33
13.2.3 Dew Prevention Control
• To prevent dew formation at indoor unit discharge area.
• This control starts if all conditions continue for 20 minutes:
- Operated with Cooling or Soft Dry Mode.
- Outdoor air temperature is less than 34℃.
• This control stopped if anyone of the following conditions is achieved:
- Outdoor air temperature is over 34℃.
- Intake air temperature is less than 24℃.
- Operation without Cooling or Soft Dry Mode.
13.2.4 Overload Protection for Cooling Operation
Frequency for the compressor will change according to the outdoor piping temperature.
CU-RE9NKR CU-RE12NKR
13.3 Indoor Piping Air Temperature Control (Heating)
13.3.1 Indoor Fan Control
1. Indoor fan is controlled by the indoor piping temperature.
● Manual Fan Speed
Piping Temperature(℃)
K0
● Auto Fan Speed
2. During heating operation, the indoor fan will run at the following speed when the compressor stops.
1 2 3 4 5 6 7 8
Comp.
RE9NKR 480 460 480 460 480 460
RE12NKR 420 400 420 400 420 400
Time
(Second)
20 100 20 100 20 100_
ON OFF
Fan speed
(rpm)
Control by
piping temp.
K7
Fixed
+15rpm/s
K6
K8