On/Off Button
Mode Button
Backlight Button
Fan Speed
Button
Temp. Setting
Button
Cooling Heating
Auto
Automatic Fan Speed
Dry
Display Area Of the
Wired Controller
Remote Signal
Receiving Area
Temperature
Fan Speed
Running Indicator
04
Figure 3-3 Control panel of manufacturer’s wired controller
The Operation Manual is provided with the wired controller.
You can complete the following operations using the manufacturer’s wired controller:
Start/stop the unit.
Switch between seven fan speeds and auto.
Constant temperature set within a desired range.
Switch among Cool, Heat, Dry, and Auto.
0-10V wired controller output DC voltage signal to main board.The main board receives the signal and controls the motor
according to the corresponding speed.
Table 3-1 0-10Vwired controller output signal specification table
1) Start and stop
Start or stop the unit using the wired controller or centralized controller.
Controller output voltage
Fan speed
Seven fan
speeds
0≤voltage<1
shutdown
1≤voltage<3
low
3≤voltage<4
medium low
4≤voltage<5
medium
5≤voltage<6
medium high
6≤voltage<7
high
7≤voltage<8
super high
8≤voltage<10
strong
Auto speed
The wired controller is adjusted according to the logic of
the seven-level control system.
Start the unit after it has not been used for a long
time
Before starting the unit again, you should:
clean or replace the air filter. clean the heat exchanger.
make sure the drain pipe for drain pan of heat exchanger is clean; if not,
wash it.
remove air from the water system.
Leave the unit unused for a long period
If the unit is not to be used in winter, drain the water system when
appropriate. Otherwise, the water in the system may freeze, thus causing
damage to the unit, or leading to water leakage, electric shock or damage
to furniture.
Summary of Contents for KFC-S2E-2T-250D
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