Figure 4-10: Principle Of Paralleled Ups Systems - Santak CASTLE Series User Manual

CUSTO MER
TERMINAL
BLOCK
CONNECTIONS
COM
Bypass inputs
1A
to UPSs
2A
3A
4A
43
Parallel CAN
Parallel Connector Parallel Connector
UP S 1 UPS 2
BUILDING
BUILDING
PULLCHAIN
ALARM ALARM
1 1 2 2 1 2 1 2
3 2 4 25 9 8
1 6 7
M
NO NC NO NC NO NC
O
B COM COM
1
5
UPS paralleling wiring diagram – with parallel tie cabinet
Parallel CAN
Parallel Connector Parallel Connector
UP S 1 UPS 2
PULLCHAIN
PULLCHAIN
1 2
UPS paralleling wiring diagram – without parallel tie cabinet
UPS 1
Battery
UPS 2
Battery
UPS 3
Outputs from
1B UPSs
2B
Battery
UPS 4
3B
4B
Battery
Parallel UPS system connections

Figure 4-10: Principle of Paralleled UPS Systems

Parallel CAN
Parallel Connector
UPS 3
BUILDING
PULLCHAIN PULLCHAIN
ALARM
1 2 1 2 1
10 26 15 14 16 27
1 2 13 18
M M
NO NC NO NC NO
O O
B COM COM COM
B
2 3
11 17
TIE CABINET
Parallel CAN
Parallel Connector
UPS 3
PULLCHAIN
1 2 1 2
REC inputs
to UPSs
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Parallel CAN
Parallel Connector
UPS4
BUILDING
PULLCHAIN
ALARM
2 1 2 1 2
TWISTED
PAIRS
21 20 22 28
19 24
M
NC NO NC NO NC
O
COM B COM
4
23
Parallel CAN
Parallel Connector
UPS4
PULLCHAIN
1 2
UPS 1
1C
2C
Battery
3C
UPS 2
4C
Battery
UPS 3
Battery
UPS 4
Battery
Outputs from
UPSs
1C
2C
3C
4C