8
If you want to change the pairing code of the two units, repeat the
entire pairing procedure from step 1 – the pairing code will be rewritten
automatically.
If the thermostat is not working properly, please check the polarity of
the batteries and whether they are suciently charged, or reset the
thermostat by removing and reinserting the batteries.
Testing Wireless Communication between the Units
1. Use the wheel to set a temperature a few degrees higher than the
current room temperature.
2. The red LED on the switching unit will light up.
3. If the LED does not light up, move the control unit closer to the
switching unit.
The maximum range between the control and switching unit is 100 m in
an open space. The range may decrease in the interior as the signal is
blocked by walls and other obstacles.
Main Switch
To turn on the switching unit, set the switch to the position.
If the heating/air-conditioning system is not used for an extended period
of time, it is recommended to turn the switching unit o (switch the main
switch to the position).
Choosing Operating Mode (Heating, Cooling, Anti-Freeze
Temperature)
1. Press and hold the control wheel for 5 seconds to enter mode settings
2. Turn the control wheel to select one of the following modes:
a. HEAT (heating system)
b. OFF (anti-freeze temperature of 7°C)
c. COOL (cooling system)
3. Press the control wheel to conrm your selection.
LED Indicators
Automatic Mode
In automatic mode, a red LED will glow when the thermostat switches
on the output relay.
Manual Mode
Press the MANUAL button; a green LED will light up.
To switch on the output relay, press the M/A button; a red LED will light up.
To turn o manual mode, press the MANUAL button again; the green
LED will switch o.
Display Backlighting
Pressing the control wheel activates display backlighting for 10 seconds.
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