Before installing and commissioning the VLR.20, read the safety instructions, provisions and conditions carefully.
This paragraph contains a number of general safety instructions. The installation of the device and remedying of any
malfunctions should be performed by a certified electrical installer according to the applicable norms. The guarantee
does not apply if this product is installed in any other way than is indicated by Fancom.
Disconnect power before installation.
Prevent electrostatic discharge (ESD) when working on the VLR.20. Ensure that the workplace is clean
and dry.
Use correct wires as shown in the connection diagrams.
Make all wiring connections and check them before applying power. Incorrect connections can cause
permanent damage.
Make sure that the VLR.20 is well and properly grounded according to the guidelines.
Never place the VLR.20 in a place where the weather has direct influence (not in the sun, not in places
where the temperature can rise sharply etc.).
Inspect the VLR.20 periodically for any damages. Notify your installation technician immediately of any
damages. A damaged VLR.20 is unsafe!
Do not use water or high pressure cleaners for lengthy periods.
It is advisable not to switch off the VLR.20. This could lead to condensation caused by cooling down.
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