UT340, UT360, UT380, and UT3100
Planning and Installation Manual
32
3.
Within 20 seconds, the UPS display should show
**Stand-by**
.
4.
Turn the pre-charge/discharge switch to the pre-charge position and hold it until the LED
turns off.
5.
Switch the DC disconnect (DCD) “ON.”
6.
Press the green “on” button located inside the front door of the UPS. The UPS display
should show
Normal operation load power xx%
.
7.
Program the unit into static bypass operation:
a.
Press
to access the user parameters.
b.
Press the
or
key until the display shows
Bypass operation: OFF
.
c.
Press
to turn static bypass operation on. The display should show
Bypass
operation
.
8.
Switch the UPS bypass switch to “UPS.”
9.
Program the unit to normal operation:
a.
Press
to access the user parameters.
b.
Press the
or
key until the display shows
Bypass operation: ON
.
c.
Press
to switch the bypass operation off. The display should show
Normal
operation load power xx%
.
602
Startup from Maintenance Bypass
for Units with a BEST-Supplied Three-Breaker MBC
1.
Make sure that the following switches are in the following positions:
The UPS input breaker (UIB) should be “OFF.”
The UPS output breaker (UOB) should be “OFF.”
The UPS maintenance bypass breaker (MBB) should be “ON.”
The DC disconnect (DCD) should be “OFF.”
2.
Switch the UPS input breaker (UIB) “ON.” The UPS display should show
System type
xxkVA xxxV
, and an audible alarm should sound.
3.
Within 20 seconds, the display should show
**Stand-by**
.
