1
5
8
3
6
10
2
9
4
7
11
12
13
Q1
Q3
Q4
CB5
LOAD
MAIN
STS
Q2
XFMR
XFMR
Q1
Q3
Q4
CB5
MAIN
STS
Q2
XFMR
XFMR
UPS1
UPS2
19
7 – Operating Modes
(continued)
7-8 Manual Bypass Mode (Parallel UPS)
Similar to manual bypass mode for a single UPS system (
Section 7-4
),
except with parallel (1+1) UPS systems.
Note: Both UPS systems must
be switched into manual bypass mode.