Power On/Off

Press the button once to turn on, press again to turn off

Temperature Setting

When powered on, press the "▼" key to decrease the set temperature, press the "▲" key to increase the set temperature, each press changes the temperature by 1℃

Mode Selection

When powered on, press the mode key to switch; LCD displays "Cooling" for cooling mode, "Heating" for heating mode

Fan Speed Selection

Press the fan speed key to select fan speed: High, Medium, Low, Auto.

In "Auto" speed mode, the fan speed automatically adjusts: when the indoor temperature differs from the set temperature by more than 6℃, it automatically selects high speed; when the difference is between 3-6℃, it automatically selects medium speed; when the difference is within 3℃, it automatically selects low speed.

Sleep Function

Long press the mode key for 3 seconds to switch to sleep display status, press "▼" to confirm, press "▲" to cancel

After sleep is activated, in cooling mode, the set temperature increases by 1℃ per hour, up to 3℃; in heating mode, the set temperature decreases by 1℃ per hour, up to 3℃;

Timer Function

In sleep display status, press the mode key again to enter the timer on/off setting. When the timer off is activated, in the on mode, the thermostat turns off immediately when the set time is reached; when the timer on is activated, the thermostat starts timing after it is turned off and turns on immediately when the set time is reached.

Key Lock

When powered on, simultaneously press the plus and minus keys for 3 seconds to lock or unlock the keys. In the locked state, the LCD displays a lock symbol.

Clock Setting

When powered on, long press the mode key for 3 seconds to enter the clock setting function. After entering, the minutes start flashing; press the fan speed key to cycle through "minutes-hours-day of the week," use the plus and minus keys to adjust, and press the power key to exit after setting.

Fan Mode

When powered on, simultaneously press the mode key and minus key for 3 seconds to select whether the fan is controlled.

Fan not controlled: Controls the two-wire electric valve and three-speed fan; when the temperature is reached, the electric valve closes, and the fan continues to run.

In fan not controlled mode, the LCD displays the "Comfort" answer.

View Running Time

When powered on, long press the fan speed key and minus key for 5 seconds to view the running time; press the mode key and fan speed key to switch time status.