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Alpha Technologies AlphaGen 3.5_5.0kW Kohler COM5 User Manual

Page 61

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TP-6482 8/06

61

Section 6 Controller Operation and Test

7. Install the control board and connect all connectors

removed in step 5.

8. Verify board mounting and connections and then

close the enclosure.

9. Check that the generator set master switch is in the

OFF position.

10. Reconnect the generator set engine starting

battery, negative (--) lead last.

11. Reconnect power to the battery charger, if

equipped.

12. Test run the generator set to verify the rated output

voltage.

Calibration Procedure

Use the following procedure to calibrate the voltage.

1. Connect a voltmeter to the output terminals of the

voltage rectifier.

2. Turn R37 on the circuit board fully clockwise.

3. Start the generator set with no load.

4. Adjust R37 to obtain the voltage output shown in

Figure 6-8.

Generator Set Model

Measured Output Voltage, VDC

36 Volt

39

48 Volt

52

Figure 6-8

Output Voltages, VDC