See S40 Controller Modes and Functions below:
- Temperature setting: this is to set the target temperature, the default setting is 65°C (149°F), and the range of adjustment is from 20°C (68°F)~110°C (230°F).
- Changing from °C to °F (and vice versa): While the unit is plugged in but you have not pressed the on/off button on the controller, hold the set button. The controller will turn on and the 0C will be flashing. Press the + button to change to 0F.
- Time setting: this function is to set a timer for how long the boiler should keep warm when the target temperature is reached. The default setting is 60 minutes, and the range of adjustment is 00:00~24:00. When the time is set to 00:00, it means that the keep warm timer function is turned off.
- Timer setting: this is to set the delay start timer. When a timer is set, the boiler will start to heat when the time run up. The timer is set to 0 by default, the range of setting is 01:00~24:00, minutes are not adjustable in this setting.
- If after turning on the setting menu and there is no operation within 5 seconds in any of the setting steps (temperature, time or timer), the boiler will resume operation with the default setting of the parameter which was not set manually.
Steps for how to use:
- Press the ON/OFF button, the default temperature and time setting will appear on the screen, the numbers on the left - indicating the target temperature -flickers first, press “+” or “-” to adjust the target temperature.
If there are no inputs after the adjustment in 5 seconds, the boiler will start to operate with the current temperature setting, other settings will be on default. - Press SET, the numbers on the right indicating time setting flickers, press “+” or “-” to adjust the hours when the left two digits flicker, then press SET to enter the minute's adjustment, press “+” or “-” to adjust the minutes when the right two digits flicker. If there is no input after the adjustment in 5 seconds, the boiler will start to operate with the current temperature and time setting, other settings will be on default.
- Press SET to enter the TIMER setting. The two digits on the left flicker, press “+” or “-” to adjust the hour. Then press SET again to finish all setting steps, the boiler will begin to operate. At this stage, two numbers will show on the screen, the number on the left is the current measured liquid temperature, the number on the right is the target temperature.