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1
safety recommendations
Wall-mounted temperature controller 8400
always respect the safety instructions marked by the symbol op-
posite as well as those included in the manual.
1.1 utilisation
The 8400 controller has been designed to measure the temperature of a
liquid or a gas.
There will be no manufacturer warranty for damages caused by unexpect-
ed handling or wrong usage of the device. The warranty on the device
becomes invalid if any modification or change is made on the device.
the device should only be installed and repaired by specialist
staff. the user is not allowed to work on the cables inside the
housing. if any difficulties may occur with the product during
installation, please contact your nearest Bürkert sales office for
assistance.