Service manual

Always On UPS Systems
M0704_NX_Series_Service_Manual V2.17 2012-06-12 80
CNT2
CNA11
CNB6
CNA7
CNT3 GCNT 4 R CNT 3 CNT4 R G CNT 3
CNT5 CNT5
CNA4
CNT 1
CNA10CNA9
CNT2
CNT1
CNT2
CNT1
CNA8
CNC3 CNC4
CNC1
CNB2CNB1
CNT4 GR
CNT5
RS232 RS485
3R
CNR1
CNA1
CNR5
CNR4
CNA5 CNA2
RELAY I NTERFACE
CNR7
MIMIC PANEL
L CD PA NEL
& SWITCHES
LED PANEL
WARNI NG
CNB5
CNB7
& BEEPER
LED PANEL
STATUS
CNB6
MODUL E
TO S.S.
BLUWHTRED
TO INV.
3B
3C
3A
3T
TO REC.
MODUL E
RECT I F I ER CONTROLPOWER SUPPLY
MAI N CONTROL
INVERTER PHASE
CONTROL
( R PHASE)
3T
INVERTER PHASE
CONTROL
( S PHASE)
3T
INVERTER PHASE
CONTROL
( T PHASE)
MODUL E
COMMUNI CAT I ONS
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