Siemens 8DA - 5.6 Aligning the Switchgear; 6 Assembling the Switchgear

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! Check the gas pressure in the compartments pre-filled at the factory on the
associated gas pressure indicators. The temperature-dependent limit values must
not be underflown.
! If the filling pressure is too low: Do not assemble the part of the switchgear
concerned and inform the regional Siemens representative concerned.
Fig. 5: Gas pressure indicators at the panel
a
Gas pressure indicators for the bus-
bar compartments (number accor-
ding to the design of the busbar
system)
s
Gas pressure indicator for the cir-
cuit-breaker housing
Fig. 6: Gas pressure indicators at the panel
a
Minimum permissible gas pressure
(signalling contact)
s
Actual gas pressure
d
Maximum permissible gas pres-
sure (signalling contact)
DANGER!
Operation with incorrect SF
6
-gas pressure can destroy parts of the switchgear.
! Do not install or put the switchgear into operation with incorrect SF
6
-gas pressures.