60
L20, L30
12.3.
Backfeed installation with relay:
1. Connect the UPS backfeed dry contact to a terminal of the relay R coil. Route the cable
with the other signal cables.
2. Connect the fuse F, the auxiliary contact of relay R, and the coil of C as shown in the
illustration below.
3. Connect C (L1, L2 , L3) with UPS bypass input (L1, L2, L3) as shown in the illustration below.
4. Connect bypass input (N) with mains feeding (N) in the distribution switchgear.
Figure 40 Backfeed diagram
Summary of Contents for L20-IB60, L20-IB00
Page 2: ......
Page 17: ...9 L20 L30 Figure 5 Install covers...
Page 27: ...19 L20 L30 5 5 Cabinet view Figure 15 Front view Side view of L20 and L30...
Page 31: ...23 L20 L30 5 7 Electrical Diagrams Figure 19 Remote EPO NO and NC port...
Page 32: ...24 L20 L30 Figure 20 External maintenance bypass auxiliary contacts...
