166 System Manual SCK Gas Sampling System 42/23-81 EN Rev. 4
Proceed as follows to check the residual current circuit breaker:
Step Procedure
1
Open the control cabinet.
2
Press the Test button (1) on the residual current circuit breaker -F30
to start the self-test (in diagram: 4-pole residual current circuit
breaker for normal grid).
3
Result of function test:
If ... , then ...
the residual current
circuit breaker trips
the residual current circuit breaker is
working as intended.
the residual current
circuit breaker does
not trip
shut down the sampling system,
secure against start-up, and have it
repaired by trained, expert personnel.
4
Perform steps 1 through 3 with residual current circuit breaker for
UPS -F40 (if present).
5
Switch residual current circuit breaker -F30/-F40 back on.
6
Lock the control cabinet.
Instructions
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