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4. Installation Walkthrough
4.11. Electric heating
Notice:
1. Please connect the cables according the wiring diagram.
2. The sensor cable can't be packed with power cable or communication cable, please connect
them separately, in order to avoid interference.
3. Sensor can't be dip into the hot water for a long time.
4. The thermostat initilize the setting the first second after power on, so don't touch the button
in the first second.
5. When the thermostat start to work, please remove the film on the display.
When heat pump capacity is not enough, or heat pump meets a failure, indoor PCB will turn ON
the internal heater automatically.
However, if the indoor PCB itself is broken, one can obey the following instructions to turn ON
the heater manually:
1
2
Switch ON the switch K9 inside the unit,
as shown in below picture.
Emergency switch K9
Mechanical
thermostat
Unscrew three screws on top, and lift the front
panel up by around 20mm, then remove the
front panel.