West Control Solutions TB 45 Temperature Limiter - Manual (Page 7)

. 2 Safety hints
This unit was built and tested in compliance with VDE 0411-1 / EN 61010-1 and was delivered in safe condition.
The unit complies with European guideline 89/336/EWG (EMC) and is provided with CE marking.
The unit was tested before delivery and has passed the tests required by the test schedule. To maintain this condition
and to ensure safe operation, the user must follow the hints and warnings given in this operating manual.
a
The unit is intended exclusively for use as a measurement and control instrument in technical
installations.
a
Warning
If the unit is damaged to an extent that safe operation seems impossible, the unit must not be taken into operation.
ELECTRICAL CONNECTIONS
The electrical wiring must conform to local standards (e.g. VDE 0100). The input measurement and control leads must
be kept separate from signal and power supply leads.
In the installation of the unit a switch or a circuit-breaker must be used and signified. The switch or circuit-breaker
must be installed near by the unit and the user must have easy access to the unit.
COMMISSIONING
Before instrument switch-on, check that the following information is taken into account:
• Ensure that the supply voltage corresponds to the specifications on the type label.
• All covers required for contact protection must be fitted.
• If the unit is connected with other units in the same signal loop, check that the equipment in the
output circuit is not affected before switch-on. If necessary, suitable protective measures must be
taken.
• The unit may be operated only in installed condition.
• Before and during operation, the temperature restrictions specified for unit operation must be met.
a
Warning
The instrument is intended for mounting in an enclosure. Its contact safety is ensured by installation in a
housing or switch cabinet.
a
Warning
The ventilation slots must not be covered during operation.
a
The measuring inputs are appropriate for the measurement of electric circuits, which are not directly
(CAT I) connected with the supply network . The measuring entrances are appropriate for transient
overvoltage to 800V against PE.
SHUT-DOWN
For taking the unit out of operation, disconnect it from all voltage sources and protect it against accidental operation.
If the unit is connected with other equipment in the same signal loop, check that other equipment in the output circuit
is not affected before switch-off. If necessary, suitable protective measures must be taken.
Safety hints
TB 45 7