The screen of the heating cable must be connected to
the earth conductor of the power supply cable by us-
ing a separate connector.
Note: Always install the floor sensor in a conduit in the
floor.
3. Turn on the power supply.
3 Settings
If a floor sensor is used, please be aware of the following:
ƒ
The floor temperature is measured where the sensor is
placed.
ƒ
The temperature of the bottom of a wooden floor can
be up to 10 degrees higher than the top.
ƒ
Floor manufactures often specify the max temperature
on the top surface of the floor (usually 27-28˚C).
ƒ
Always use a floor sensor to control floor heating.
Without a floor sensor, the temperature control may
be less accurate and you risk overheating the floor.
DEVIreg™ 330 (+5 to +45°C)
Installation Guide 7
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