Service manual

Always On UPS Systems Inc
80
CNT2
CNA11
CNB6
CNA7
CNT3 GCNT4 R CNT3 CNT4 R G CNT3
CNT5 CNT5
CNA4
CNT1
CNA10CNA9
CNT2
CNT1
CNT2
CNT1
CNA8
CNC3 CNC4
CNC1
CNB2CNB1
CNT4 GR
CNT5
RS232 RS485
3R
CNR1
CNA1
CNR5
CNR4
CNA5 CNA2
RELAY INTERFACE
CNR7
MIMIC PANEL
LCD PANEL
& SWITCHES
LED PANEL
WARNING
CNB5
CNB7
& BEEPER
LED PANEL
STATUS
CNB6
MODULE
TO S.S.
BLUWHTRED
TO INV.
3B
3C
3A
3T
TO REC.
MODULE
RECTIFIER CONTROL POWER SUPPLY
MAIN CONTROL
INVERTER PHASE
CONTROL
(R PHASE)
3T
INVERTER PHASE
CONTROL
(S PHASE)
3T
INVERTER PHASE
CONTROL
(T PHASE)
MODULE
COMMUNICATIONS
INTERFACE
R
R
G
R
R
R
R
G
RG
R
Y
G
R
G
R
Figure 31.4
Front view of system with door open
and PCB Module door open