22 Operation principle and hardware description
15.
Inlet manifold with stop and drain valves
16.
Outlet manifold with stop and drain valves
Incoming cubicle for frame R8i (door closed)
1.
Auxiliary voltage switch [Q21]
2.
Meters: Voltage meter [P5.x] (option +G334), phase selector switch for voltage meter [S5.x] (option
+G334), AC phase current meters [P2.x] (option +G335)
3.
Charging switch [Q3]
4.
Grounding switch [Q9] (option +F259)
5.
DC switch-disconnector for line up charging circuit [Q40]. Included if supply unit has DC switch-
disconnector [Q11], (option +F286).
6.
Operating switch [S21]
7.
Main breaker [Q1.x] (option +F255). Main AC input on/off control, isolation and overload protection.
5
1
2
4
3
7
6