Wattio THERMIC Manual página 24

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2. Screw the back cover to the wall.
NOTICE: we recommend not forcing the plastic case by
tightening too much the fasteners for the correct performance
of the Thermic.
Proceed to the introduction of the wires in the terminal block.
Cables should be about 1cm peeled in their termination.
The general cable must be identified and inserted into port 3.
To insert the cables, you have to press buttons in enabling the terminal with a screwdriver.
Once inserted, stop pressing and the cable will be properly inserted.
In case of a two wire thermostat circuit, the other wire needs to be placed in one of the other
two holes of the terminal block. The correct one will depend on the type of heater system,
normally opened or normally closed. The following scheme indicates it graphically:
Another way to identify the heater system type is as follows:

In case that the heating system does not work when the wires
are not connected, the missing wire must be placed in the
position1.

If the heating system works even if the wires are not
connected, the missing wire will be placed in the position2.
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