Condec UPC5110 - Manual (Page 35)

32 UPC5100/UPC5110 Operation & Maintenance Manual
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 panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.
Adjustment - Battery Voltage Display Reading
NOTE: The BATTERY TEST should only be performed with the UPC5100/UPC5110 operating at Zero pressure (VENT
valve open) and at the conclusion of the test, the unit's ZERO button will have to be re-pushed to re-zero the instrument.
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 14, and carefully set on a bench top.
2. Disconnect the two battery cable wires (PN 56367) from the battery terminals, red wire from (+) and
black wire from (-).
3. Connect the leads of a DC voltmeter to the battery wires.
4. Take a reading from the voltmeter.
5. Reconnect the two battery cable wires (PN 56367) to the battery terminals; red wire to (+) and black wire
to (-).
6. Push the BATTERY TEST switch on the front panel. If the reading is the same as the voltmeter, go to step
8. If the reading is different, go to next step.
7. While holding toggle switch in the BATTERY TEST mode, adjust potentiometer R12 located on power
supply board to be the same as previous voltmeter reading.
8. Install panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.
Adjustment - Low Battery Display Annunciation
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 14, and carefully set on a bench top.
2. Disconnect the two battery cable wires (PN 56367) 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. For LED display type units a red LED in the left center of the display will turn on. For
LCD display type units, 5 LED segments in the left of display window will illuminate in the shape of a
"U."
4. Install panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.