Condec UPS3210 - Manual (Page 48)

44 UPS3000/UPS3110/UPS3210 Operation and Maintenance Manual
4.2.27 BATTERY (55851), Removal, Installation and Adjustments
Tools required: Phillips screwdriver
Flat blade screwdriver (small)
11/32" Open end wrench or nutdriver
1. Disconnect the power cord from the power source and line filter. Remove cover from its enclosure as
described in Section 4.2.1 on page 28, and carefully set on a bench top.
2. Disconnect the 2 battery cable wires from the battery terminals, Red wire from (+) and Black wire from
(-).
3. Remove the mounting hardware that secure the battery bracket.
4. Remove the bracket and battery.
5. To install a new battery, reverse steps 1 thru 4 of above.
Adjustment of Charging Circuit:
Tools required: Phillips screwdriver
Flat blade screwdriver (small)
DC voltmeter
1. Disconnect the power cord from the power source and line filter. Remove cover from its enclosure as
described in Section 4.2.1 on page 28, and carefully set on a bench top.
2. Disconnect the 2 battery cable wires from the battery terminals, Red wire from (+) and Black wire from
(-).
3. Connect the leads of a DC voltmeter to the battery wires.
4. With the unit's power cord connected to a power source, but the power switch OFF, adjust the
potentiometer R3 on the power supply board until the voltmeter reads “14.0” volts.
5. Unplug the power cord from the power source.
6. Disconnect the voltmeter and reconnect the battery leads to the battery terminals, Red wire to (+) and
Black wire to (-).
7. Install cover on its enclosure as described in Section 4.2.1 on page 28.
Adjustment of Battery Voltage Display Reading:
Tools required: Phillips screwdriver
Flat blade screwdriver (small)
11.5 VDC Power Source
1. Disconnect the power cord from the power source and line filter. Remove front panel from its enclosure
as described in Section 4.2.1 on page 28, and carefully set on a bench top.
2. Disconnect the 2 battery cable wires from the battery terminals, Red wire from (+) and Black wire from
(-).
3. Connect the leads of a 11.5 VDC power source to the battery cable wires that are connected to TB1 on
the Power Supply Board. Adjust potentiometer R9 located on power supply board to illuminate low
battery indicator.
4. Install panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 28.