Manual Bypass Procedure (Parallel Ups) - Tripp-Lite SmartOnline SU20KX El Manual Del Propietario
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9 – Start-Up, Shutdown and Bypass
9-10 Manual Bypass Procedure (Parallel UPS)
Warning: When the UPS system is in manual bypass, the inverter shuts down. Connected equipment loads are powered by the bypass
(reserve) power source and will not receive battery backup during a utility power failure.
•
For the first UPS system you wish to shut down, press the OFF
1
button
A
for 3 seconds (until you hear a beep), then release
the button. If the other UPS system can support the connected
equipment loads alone, the UPS system that was turned off will
shut down its inverter and its LCD screen will read "LOAD NOT
POWERED". The other UPS system's LCD screen will read
"ONLINE MODE". If the total connected equipment load is too
large to be handled by a single UPS system, both UPS systems
will shut down their inverters and switch to bypass mode, and their
LCD screens will read "ON AUTO BYPASS". Repeat step 1 for
the second UPS system you wish to shut down.
•
2
Switch off the main input circuit breaker switch
system.
3
•
Confirm that both UPS systems are shut down, then switch on
the manual bypass input circuit breaker switch
system. The bypass (reserve) power source will power the loads
and the LCD screen will read "ON MANUAL BYPASS".
•
Switch off the bypass input circuit breaker switch
4
output circuit breaker switch
screen will turn off completely.
•
5
If the UPS systems have external battery cabinets connected,
switch off the external battery cabinet circuit breaker switch
of each battery pack. On the SU20KX or SU40KX, turn OFF the
battery breaker on the back of the UPS.
6
•
In this mode, only the manual bypass path (including the manual
bypass circuit breaker
Q3
), the load terminals of the output
circuit breaker switch
Q4
and the terminal block
hazardous voltage, allowing qualified service personnel to perform
maintenance or repair. Note: Qualified service personnel may
prefer to de-energize the UPS systems completely, depending on
local codes and the nature of the maintenance or repair.
Q1
of each UPS
Q3
of each UPS
Q2
and the
Q4
of each UPS system. The LCD
A
B
contain
(continued)
1
Output
Manual
Bypass
2
Q3
Output
Manual
Bypass
3
Q4
Output
Manual
Bypass
4
A
5
Q4
Q3
6
31
A
Q1
Bypass
Main
Input
Input
Bypass
Main
Input
Input
Q2
Bypass
Main
Input
Input
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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