Operation; Disconnecting The Ups (Individual Unit) - AEG Protect 5.31 Series Operating Instructions Manual

8

Operation

8.1

Disconnecting the UPS (Individual Unit)

Step
1
Switch off the INV using the "∼0" button on the DOU and
confirm. The SBS circuit is automatically activated.
2 Switch off the REC using the "=0" button on the DOU and
confirm.
3* Q29 (internal option) to position "2" service mode.
Manual bypass is activated. The SBS is still connected to
mains voltage.
4 Battery isolator (external) set to "OFF".
5 Q1 to the "OFF" position. The REC circuit is switched off.
6 Q29 (internal option) to position "3" manual bypass.
SBS mains is switched off.
* Step only required when Q29 is installed
Table 5 Disconnecting the Protect
Protect 5.31/xxx-480-220-120 10 kVA - 120 kVA
ATTENTION:
Only switch off the UPS in an absolute emergency by switching
off the rectifier circuit and SBS circuit in their distribution! In
addition, the inverter must be switched off using the remote OFF
contact. The external battery isolator must be opened to
completely disconnect the unit from the power supply.
To restart the system, proceed as described in Chapter 7.
Proceed as described below to disconnect the UPS from the power
supply (see also Figure 3).
Action
CAUTION:
Even if disconnected, the UPS can still be live due to charged
capacitors and connected remote signals.
Observe the safety instructions!
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DOU
LED
Green flashes
Green and yellow
flash
Manual bypass
symbol
Red, green and
yellow flash
8000020680 BAL, en
Display