02/02
70
Battery Management:
There are two possible ways to connect each module to battery:
Figure 7-1: Distribution Panel: Separate Batteries
7400M - Series UPS User Manual
Single Module and 1+N Parallel System
RECTIFIER
STATIC
SWITCH
INVERTER
BATTERY
Bypass
a.c.
Supply
Rectifier
Input
a.c.
Supply
UPS
Output
Supply
Battery
Circuit
Breaker 2
Output
Switch Q4
Rectifier
Input
Switch Q1
Maintenance Bypass
Power Switc h Q3
Maintenance Bypass Li ne
Static By pass Line
Bypass Pow er Switch Q 2
RECTIFIER
STATIC
SWITCH
INVERTER
BATTERY
Bypass
a.c.
Supply
Rectifier
Input
a.c.
Supply
UPS
Output
Supply
Battery
Circuit
Breaker 1
Output
Switch Q4
Rectifier
Input
Switch Q1
Maintenance Bypass
Power Switc h Q3
Maintenance Bypass Li ne
Static By pass Line
Bypass Pow er Switch Q 2
Module 1
Module 2
Input
Distributions
Load
Distributions
D I S T R I B U T I O N P A N E L
( * )
( * )
( * ) NOTE: Before opening one of the Distribution Isolator, open the corresponding Output Isolator of UPS (Q4)
RECTIFIER
STATIC
SWITCH
INVERTER
BATTERY
Bypass
a.c.
Supply
Rectifier
Input
a.c.
Supply
Battery
Circuit
Breaker 3
Output
Switch Q4
Rectifier
Input
Switch Q1
Maintenance Bypass
Power Switc h Q3
Maintenance Bypass Li ne
Static By pass Line
Bypass Pow er Switch Q 2
Module 3
UPS
Output
Supply
( * )
RECTIFIER
STATIC
SWITCH
INVERTER
BATTERY
Bypass
a.c.
Supply
Rectifier
Input
a.c.
Supply
UPS
Output
Supply
Battery
Circuit
Breaker 2
Output
Switch Q4
Rectifier
Input
Switch Q1
Maintenance Bypass
Power Switc h Q3
Maintenance Bypass Li ne
Static By pass Line
Bypass Pow er Switch Q 2
RECTIFIER
STATIC
SWITCH
INVERTER
BATTERY
Bypass
a.c.
Supply
Rectifier
Input
a.c.
Supply
UPS
Output
Supply
Battery
Circuit
Breaker 1
Output
Switch Q4
Rectifier
Input
Switch Q1
Maintenance Bypass
Power Switc h Q3
Maintenance Bypass Li ne
Static By pass Line
Bypass Pow er Switch Q 2
Module 1
Module 2
Input
Distributions
Load
Distributions
D I S T R I B U T I O N P A N E L
( * )
( * )
( * ) NOTE: Before opening one of the Distribution Isolator, open the corresponding Output Isolator of UPS (Q4)
RECTIFIER
STATIC
SWITCH
INVERTER
BATTERY
Bypass
a.c.
Supply
Rectifier
Input
a.c.
Supply
Battery
Circuit
Breaker 3
Output
Switch Q4
Rectifier
Input
Switch Q1
Maintenance Bypass
Power Switc h Q3
Maintenance Bypass Li ne
Static By pass Line
Bypass Pow er Switch Q 2
Module 3
UPS
Output
Supply
( * )