UT340, UT360, UT380, and UT3100
Planning and Installation Manual
33
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 UPS front door. The UPS display should show
Normal operation load power xx%
.
7. Program the UPS 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 bypass operation on. The display should show
Bypass
operation
.
8. Switch the UPS output breaker (UOB) “ON.”
9. Switch the maintenance bypass breaker (MBB) “OFF.”
10. 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%
.
Section 700: Glossary of Terms and Abbreviations
See Section 701 for the glossary of terms. See
for a list of abbreviations.
701 Glossary of Terms
Ampere (Amp):
A unit of electric current equivalent to a steady current produced by one volt applied across a
resistance of one ohm.
British thermal unit (BTU):
A unit of heat energy equal to the heat needed to raise the temperature of one pound
of air-free water from 60
to 61
F at a constant pressure of one standard atmosphere.
Decibel adjusted (dBa):
A unit used to show the relationship between an acoustic noise source and a reference
sound power level of
85 dBm.
