3.2 Restarting a Single UPS
Check that switches Q4S (9) and Q5N (11) are closed. If this is the case, continue with this procedure, otherwise
refer to Section 4.4.1 "Return to the Normal Operation, Single UPS".
Figure 3-2: Restarting a Single UPS
3.3 Shutting Down a Parallel Configuration
Figure 3-3: Shutting Down a Parallel Configuration
1 - Press a button on each unit to exit sleep mode.
2 - Press the OFF button (38) on each unit for 3 seconds.
The load is no longer protected by the UPSs. It is
supplied via the bypass.
3 - Set the battery circuit breakers of the auxillary cabinets
to the OFF position.
4 - Set the input switch Q1 (8) in each UPS to the OFF
position.
The charger no longer operates to keep the batteries
fully charged.
5 - Open the upstream circuit breakers of Normal AC source
and Bypass AC source to completely power off the
installation.
1 - Set the Normal AC source input switch Q1 (8)to the
ON position.
2 - Wait until the end of the start sequence.
3 - Set the battery circuit breaker of the auxiliary cabinets
to the ON position.
The UPS starts automatically.
LED (31) is ON.
The load is protected by the UPS.
If LED (31) remains OFF, press the ON button (37)(the UPS
is in manual start mode) and confirm if necessary by
pressing the function key (35) marked .
If LED (31) still remains OFF and either of LEDs (32) or (33)
is ON, a fault has occurred (see Section 4.1).
35
MGE Galaxy 5000
Operation3 — 2 86-174010-00 B00