West Control Solutions Pro-4 - Manual (Page 77)

11 Safety hints
This unit was
–
built and tested in compliance with VDE 0411-1 / EN 61010-1 and
–
delivered in safe condition.
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complies European guideline 89/336/EWG (EMC) and is provided with CE marking.
–
tested before delivery and passed the tests required by test schedule.
–
To maintain this condition and to ensure safe operation, the user must follow
the hints and warnings given in this operating manual.
–
The unit is intended exclusively for use as a measurement and control instru-
ment 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 controller a switch or a circuit-breaker must be used
and signified.
–
The switch or circuit-breaker must be installed near by the controller and the
user must have easy access to the controller.
COMMISSIONING
Before instrument switch-on, check that the following information is taken into
account:
w Ensure that the supply voltage corresponds to the specifications on the type label.
w All covers required for contact protection must be fitted.
w If the controller 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.
w The unit may be operated only in installed condition.
w Before and during operation, the temperature restrictions specified for
controller operation must be met.
SHUT-DOWN
For taking the unit out of operation, disconnect it from all voltage sources and
protect it against accidental operation.
If the controller 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 ne-
cessary, suitable protective measures must be taken.
Safety hints
KS 90-1 / KS 92-1 77