Reserve (Bypass) Mode (Single Installation); Manual Bypass Mode (Single Installation) - AEG 80 / 120 kVA Operating Instructions Manual

2-3 Reserve (Bypass) Mode (Single Installation)

RESERVE
MAIN
The inverter will shut down if it encounters any abnormal situation (such as over
temperature, long-time overload, output short, abnormal output voltage and battery
exhausted problems). If the reserve power is available, the UPS will automatically
transfer to reserve mode to make sure the supply to the loads. After abnormal
situations are eliminated, UPS will transfer back to the normal mode immediately
(Refer to Fig. 2-3).

2-4 Manual Bypass Mode (Single Installation)

RESERVE
MAIN
In maintenance or repair service condition, you will need to cut off the UPS power but
not the power to your equipment. Make sure the UPS is in Bypass mode (see LED at
the front panel), then manually switch the UPS to bypass mode. (Refer to Fig. 2-4).
CB3
CB2
CB1
Fig. 2-3 Reserve (Bypass) Mode (Single)
CB3
CB2
CB1
Fig. 2-4 Manual Bypass Mode (Single)
CB5
CB5
2-2
CB4
STS
CB4
STS
LOAD
LOAD