OnLine Power PBC I - Manual (Page 17)

PBC FUNCTIONAL BLOCK DIAGRAM FOR DOMESTIC MODELS
Utility company Input AC Power
10
TB 3
ACT’S TVSS
INPUT SURGE
PROTECTION
TB 1
CB1-A 120 VAC CB1-B 240 VAC
A 9 EMI FILTER
A 10 EMI FILTER
T 1 AUTO XFMR
STEP DOWN
TO 120 VAC
DC / AC
INVERTER
±
DC
CHOPPERS
POWER
RECTIFIER
ON BOARD
AUTOMATIC BYPASS
SWITCH
OUTPUT
FILTER
T 2 ISOLATION XFMR
OUTPUT
120 VAC OR 240 VAC
B 2
FAN
B 3
FAN
PBC FUNCTIONAL BLOCK DIAGRAM
Domestic Models
ILLUSTRATION 1- 6
BATTERY TRAY
C 1
&
CR1 FREQUENCY
SELECTOR
A 4
PCBA
STATUS
A1 PCBA UPS
ASSEMBLY
TB 2
OUTPUT H1 H2CT H3
A 7 PBCA
QUICK
BATTERY
CHARGER
EMERGENCY
BYPASS
LINE
ON BOARD
BATTERY
CHARGER
J 3
A 2
PCBA
CONTROL
STANDBY
BATTERY
SYSTEM
CB 2
BATTERY
CB3-B 240 VAC
LOAD
MICRO CELL
CB3-A 240 VAC