Safety
5
2.2
Proper use
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The relay box may only be used to control vacuum backing pumps on Pfeiffer Vacuum
turbopumps with related electronic drive units.
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The relay box may only be used up to the specified maximum contact load.
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Permissible electronic drive units for the connection of the relay boxes:
– integrated electronic drive unit TC 110 with connection cable
– integrated electronic drive unit TC 110 with TCS 12
– integrated electronic drive unit TC 400
– integrated electronic drive unit TC 400 with Y-Connector
– integrated electronic drive unit TM 700
– integrated electronic drive unit TM 700 with Y-Connector
– integrated electronic drive unit TC 1200
– integrated electronic drive unit TC 1200 with Y-Connector
– external electronic drive unit TCP 350 with adapter cable
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The shielded version supports the electromagnetic compatibility and reduces interac-
tion with other electric devices.
2.3
Improper use
Improper use will cause all claims for liability and warranties to be forfeited. Improper use
is defined as usage for purposes deviating from those mentioned above, especially:
●
The connection of a mains power voltage not corresponding to the rating plate
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Operation with contact loads higher than the information on the rating plate
NOTICE
EC conformity
The manufacturer's declaration of conformity becomes invalid if the operator modifies
the original product or installs additional components.
Following installation into a plant and before commissioning, the operator must check
the entire system for compliance with the valid EU directives and reassess it accor-
dingly.