42/23-81 EN Rev. 4
System Manual SCK Gas Sampling System
165
Checking the residual current circuit breaker
Residual current circuit breakers disconnect the monitored circuit from the remain-
ing grid in the event of a certain differential electric current. Test the residual current
circuit breaker at regular intervals in order to simulate this error.
twice
yearly
Danger of electric shock when control cabinet is open, open connection or
terminal boxes
Only specialized electrical personnel may work on the electrical system.
Observe national regulations pertaining to electrical equipment.
The following diagram shows the location of the residual current circuit breaker in
the control cabinet. Integration of residual current circuit breakers is variable in the
gas sampling system. No residual current circuit breaker is integrated in the stand-
ard model, the "FI" option (
-F30
) has a 4-pole residual circuit breaker for the normal
grid, the "FI" + "UPS" option (
-F40
) has two residual circuit breakers (4-pole and 2-
pole).
Control cabinet key to open the control cabinet
The service switch is in the
ON
position; the gas sampling probe is completely
retracted from the kiln (see
Operating the service switch
on page 159).
Meaning
Maintenance interval
Current-carrying
components
Illustration
Tools required
Requirements
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