UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Caterpillar

Illustration 1	g01292988
Remote Status Panel

The following procedure is used to calibrate the Remote Status Panel (RSP) Low DC Voltage Potentiometer

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Illustration 2	g01292992
Remote Status Panel (Rear View)

1. Connect terminal 1 ("+ Volts In") to the positive terminal of a 24VDC variable power supply.

2. Connect terminal 9 ("Ground") to the negative terminal of the power supply.

3. Remove the cover from the Low DC Voltage Potentiometer.

4. Adjust the Potentiometer fully clockwise.

5. Apply +18VDC to the display.

   Check that all lamps are flashing. After approximately 60 seconds the Low DC Voltage lamp should light continuously.

6. Slowly adjust the Low DC Voltage Potentiometer counter-clockwise until the Low DC Voltage lamp begins to flash.

7. Turn off and Disconnect the variable power supply.

8. Replace the cover on the Low DC Voltage Potentiometer that was removed in Step 3.

   The unit is now properly calibrated.