Condec UPC5010 - Manual (Page 33)

30 UPC5000/UPC5010 Operation & Maintenance Manual
Installation
1. To install a new battery, reverse steps 2 through 4 of above.
2. Install panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.
Adjustment of Charging Circuit
Tools required:
Phillips screwdriver
Flat blade screwdriver (small)
11/32" open end wrench or nutdriver
DC voltmeter
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. With the unit's power cord connected to a power source, but the power switch on the front panel 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 panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.
Adjustment of Battery Voltage Display Reading
NOTE: The BATTERY TEST should only be performed with the UPC5000/UPC5010 operating at Zero PSIG (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.
Tools required: Phillips screwdriver
Flat blade screwdriver (small)
11/32" open end wrench or nutdriver
DC voltmeter
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 of Low Battery Display Annunciation
Tools required:
Phillips screwdriver
Flat blade screwdriver (small)
11/32" open end wrench or nutdriver
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 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 (-).