OnLine Power PBC I - Manual (Page 19)

PBC FUNCTIONAL BLOCK DIAGRAM FOR INTERNATIONAL MODEL
TB 3
A 10 JOSLYN TVSS
INPUT SURGE
PROTECTION
TB 1
DC / AC
INVERTER
±
DC
CHOPPERS
POWER
RECTIFIER
ON BOARD
AUTOMATIC BYPASS
SWITCH
OUTPUT
FILTER
A 9 EMI FILTER
T 1 AUTO XFMR
STEP DOWN
TO 120 VAC
T 2 ISOLATION XFMR
OUTPUT
120 VAC OR 240 VAC
B 2
FAN
B 3
FAN
PBC FUNCTIONAL BLOCK DIAGRAM
ILLUSTRATION 1- 6A
BATTERY TRAY
C 1
&
CR1
A 2
PCBA
CONTROL
FREQUENCY
SELECTOR
A 4
PCBA
STATUS
A1 PCBA UPS
ASSEMBLY
TB 2
OUTPUT
A 7 PBCA
QUICK
BATTERY
CHARGER
STANDBY
BATTERY
SYSTEM
CB 2
BATTERY
J 3
ON BOARD
BATTERY
CHARGER
EMERGENCY
BYPASS
LINE
CB3-A CB3-B
L1
CB1-A
P3 P1
CB1-B
L3
LOAD
MICRO CELL
Utility company Input AC Power
12