http://obrazki.elektroda.net/29_1264276871.gif PowerCom BNT 400A_500A_600A BNT-V1.0 (PCB) Revision 1.0 PowerCom BNT-400A_500A_600A Service’s manual
UPS
Uninterruptible Power System
BNT-400A/500A/600A
SERVICE’S MANUAL
BNT-400A/500A/BNT-600A SERVICE’S MANUAL
㆒.PANELS EXPLAIN
(1). FRONT PANEL
1.1 Main Switch
It is for turn on and turn off the UPS. If push on 1 sec for normal
torn on the UPS; If push on till “Bi Bi” sound for turn the UPS
and disable the “ No Load Shutdown ” function. If push on more
than 3 sec when UPS on will turn off the UPS,
1.2 STATUS DISPLAY LED
It is display the status of ups, if ac input is normal, the
LED light always. If battery is in using, the led glitter slowly.
If the UPS is OVERLOAD , the led glitter quickly.
(2). REAR PANEL
2.1 INLET
It contain the INPUT PLUG and INPUT FUSE, It trips when the
connector loads exceed the protected capacity.
The center plungers of the circuit breakers extend when
tripped.
2.2 OUTLET
UPS output. When line input is normal, the output bypass
to Line . When Line input is bad, the output supplied by battery.
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BNT-400A/500A/BNT-600A SERVICE’S MANUAL
BNT㆓.MAIN STRUCTURES OF BNT-400A/500A/600A SERIES
MODE NAME
BNT-400A/500A/600A
115V
PCB
220V
BNT-V1.1 115V
BNT-V1.1 220V
CPU
BNT-V1.x
TRANSFORMER
BATTERY
RT-4000A/RT-6000A
RT-4000B/RT-6000B
/RT-7000A
/RT-7000B
12V-4.5AH / 12V-7AH / 12V-7AH
REAL PANEL
INPUT SOCKET,OUTPUT SOKET
FRONT PANEL
STATUS LED,POWER SWITCH
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BNT-400A/500A/BNT-600A SERVICE’S MANUAL
㆔、THE
BNT㆔、THE ATTACHED CONNETION DIAGRAMS OF BNT-400A~600A
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BNT-400A/500A/BNT-600A SERVICE’S MANUAL
㆕、FUNCTION
㆕、FUNCTION BLOCK DIAGRAM
1. Main structure
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BNT-400A/500A/BNT-600A SERVICE’S MANUAL
2. Control circuit
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BNT-400A/500A/BNT-600A SERVICE’S MANUAL
五、TROUBLE
五、TROUBLE SHOOTING FOT BNT SERIES:
PROBLEM
POSSIBLE CAUSE
ACTION TO TAKE
UPS not on & Power switch not ON
Push on the switch
LED not light Battery voltage less than 10V Recharge the ups at least 8 hours
PCB failure
Replace the PCB, call for service
UPS always at AC FUSE burn out
Replace the AC fuse in inlet
battery mode Line voltage too high, too low Normal condition
or black out
Back up time Battery not fully charged
Recharge the UPS at least 8 hours
too short
Battery too old
Replace Battery, call for service
PCB failure
Replace PCB, call for service
Buzzer
Overload
Remove the noncritical loads
continuous
beeping
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BNT-400A/500A/BNT-600A SERVICE’S MANUAL
六、BNT-400A/500A/600A 零件差異表
六、
機型
變壓器
電池
CASE
BNT-400A
RT-4000A
12V-4.5AH
97*260*135
BNTBNT-500A
RT-6000A
12V-7AH
97*320*135
BNTBNT-600A
RT-7000A
12V-7AH
97*320*135
FUSE1
30A
40A
Q3,5
Q4,6
R10,13
R33
R54
X
IRF-Z44V
X
0.82/2W
158K
IRF-Z44V
IRF-Z44V
120
0.68/2W
110K
30A
30A
IRF-Z44V
IRF-Z44V
120
0.68/2W
94.1K
PCB
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