Chapter 7 - 1+1 Parallel System 7200 Series UPS User Manual
Generality Single Module and 1+1 Parallel System
document in response to "powersure ups"
Page 7-2
Issue 6
(03/98)
Rectifier
Switch Q1
Output
Switch Q4
Module 2
UPS.
Output
Maintenance Bypass power Switch Q3
Bypass
Supply
Rectifier
input .
Supply
Bypass power Switch Q2
Module 1
Battery Circuit Breaker 2
Battery Circuit Breaker 1
Bypass power Switch Q2
Maintenance Bypass power Switch Q3
Bypass
Supply
Rectifier
input .
Supply
UPS.
Output
Output
Switch Q4
Rectifier
Switch Q1
Loads
distribution
Distribution panel
RECTIFIER
RECTIFIER INVERTER
STATIC
SWITCH
and K1
BATTERY
BATTERY
INVERTER
STATIC
SWITCH
and K1
Inputs
distributions
( * )
( * )
( * ) Note: Before opening one of the distribution isolator, open the corresponding
output isolator of UPS ( Q4 )
Figure 7-A . System with separate batteries