Installation and User Guide DEVIreg™ Multi
FEC | Produced by Danfoss © 5
2 Safety Instructions
Make sure the mains supply to the controller is turned off before installation.
Please also note the following:
• The installation of the controller must be done by an authorized and qualified installer
according to local regulations.
• The controller must be connected to a power supply via an all-pole disconnection switch.
• Always connect the controller to continuous power supply.
• Do not expose the controller to moisture, water, dust and excessive heat.
IMPORTANT: When the controller is used for controlling a floor heating element/cable in
connection with a wooden floor or similar material, always use a floor sensor and never
set the maximum floor temperature to more than 35°C.
Note: Product is designed for Over Voltage Category II. When used in fixed installation,
installation must be equipped with transient protection.
3 Mounting Instructions
Please observe the following placement guidelines:
Install the thermostat in an electric cabinet with DIN rail attachment or a separate DIN
attachment according to local regulation on IP classes.
Do not place the thermostat in a way that it will be exposed to direct sunlight.
Follow the steps below to mount the thermostat:
1. Click the thermostat on the DIN rail attachment.
2. Connect the thermostat according to the connection diagram and chosen system mode(-s)
3. The screen of the heating cable must be connected to the earth conductor of the
power supply cable by using a separate connector.
4. Turn on the power supply.
Note: Always install the floor sensor in a conduit in the floor construction or similar. The
bending radius of the conduit must be min. 50 mm.
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