Figure 18 Load On One System To Continuous Tie; Figure 19 One System In Bypass To Both Feeders Combined On Remaining Operational System - Liebert Series 610 User Manual

Figure 18 Load on one system to Continuous Tie

Combined Loads Operation
System 1
M M
1 1
Momentary Tie
for transfer of
Load 2 to System 1
See 4.2.11 - Tying the UPS Systems - Continuous
Parallel Operations.

Figure 19 One system in bypass to both feeders combined on remaining operational system

One System in Bypass Mode
System 1
M M
1 1
Tie Open
See 4.2.3 - Maintenance Procedures - Isolating Each
UPS System.
FROM:
System 2
SS SS M M
1 2 2
Tie Closed
Tie
Load 1 Load 2
FROM:
System 2
SS SS M M
1 2 2
Tie
Load 1 Load 2
M
2 1
LEGEND: M
M
2 1
Momentary Tie
for transfer of
Load 2 to
System 1
LEGEND: M
36
Operating Instructions
TO:
Continuous Tied Systems
System 1 System 2
M SS SS
1 1 2
Tie Closed
Tie
Load 1 Load 2
= Module
x
SS = Static Bypass Switch
x
TO:
Combined Loads Operation
System 1 System 2
M SS SS
1 1 2
Tie Closed
Tie
Load 1 Load 2
= Module
x
SS = Static Bypass Switch
x
M M
2 2
M M
2 2