Bartec Ex p Control Unit APEX, Руководство пользователя

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Electrical connections
Ex p Control Unit
SIEMENS Set
Page 40 of 80 01-37A2-7D0004_SIEMENS_Manual_Exp-Control-Unit_20220216_0_en.docx Rev. 0
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Connection terminals “Ex i“
6.2.2.1 Terminal row “X9“
DANGER
DEATH OR SERIOUS PHYSICAL INJURY DUE TO COMMISSIONING WITH
BYPASS KEY SWITCH IN POTENTIALLY EXPLOSIVE ATMOSPHERE.
Risk of explosion.

Have the commissioning with a bypass key switch approved by the
factory manager or his representative. Approval may only be given if
it has been ensured that there will not be any explosive atmosphere
for the duration of the commissioning or if the necessary precautions
have been taken to protect against the risk of explosion (fire permit).

A marking on the bypass key switch that the Ex protection will no
longer exist if the key switch is activated must be affixed in the direct
vicinity of the key switch.
A bypass key switch is mounted separately in the
accompanying Ex e control station. The active bypass mode
is signaled via the indicator light.
The bypass key switch is marked according to the following
marking plate and is placed in the immediate vicinity of the
bypass key switch.