Siemens 8DB10 - Monitoring the Gas Pressure

864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06 129/214
Installation
29.2 Monitoring the gas pressure
The perfect functioning of the switchgear is only guaranteed if the gas pressure indication is
between the minimum and the maximum functional level (see page 44, "Insulating gas SF
6
").
Fig. 142: Gas pressure manometers at the panel
①
Manometers of the SF
6
gas
compartments for busbars L1, L2, L3 of
busbar system 1
②
Manometers of the SF
6
gas
compartments for busbars L1, L2, L3 of
busbar system 2
③
Manometer for three-position
disconnector housing in busbar
system 2
④
Manometer for circuit-breaker housing
⑤
Manometer for three-position
disconnector housing in busbar
system 1
Fig. 143: Gas pressure manometer for
the circuit-breaker housing at the panel
①
Minimum permissible functional level
(signaling contact)
②
Critical gas pressure (signaling contact)
③
Actual gas pressure
④
Maximum permissible functional level
(signaling contact)
DANGER
If gas pressure is beyond the minimum or maximum functional level:
➭ Contact the regional Siemens representative immediately.
➭ Shut down the circuit-breaker panel if required.