40
13.2.4 Overload Protection For Cooling Operation
The frequency for the compressor will change according to the outdoor piping temperature.
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.
3. Hot Start
When the heating operation starts, the indoor fan stops and the compressor runs with a certain frequency.
This is to prevent the cold airflow from blowing.
If the piping temperature rises to 19 ℃, and the indoor fan speed varies with the indoor piping temperature, the hot
start control is stopped.
1 2 3 4 5 6 7 8
Comp.
RE9NKE 550 440 550 440 550 440
RE12NKE 500 440 500 440 500 440
RE15NKE 500 440 500 440 500 440
Time
(Second)
20 100 20 100 20 100
Fan speed
(rpm)
ON
_
OFF
Control
by piping
temp.
K7
Fixed
+15rpm/s
K6
K8