Kohler 13ERG User Manual download pdf (Page 39)

TP-6335 9/04 Reconnection/Adjustments 29

8.2.3 Adjusting the Voltage, Gain, and

Volts/Hz

After setting the system voltage, check the output

voltage and adjust, if necessary, using the following

procedures. Follow the instructions in Figure 8-6 to

adjust the voltage, gain, and volts/Hz while the engine is

running. An x in the Display column in Figure 8-6

indicates a number from 0 to 9. Use the up arrow to

increase a setting or the down arrow to decrease the

setting.

Note: Save your settings before exiting the

configuration mode.

Pressing the Select button when SAVE is displayed

returns to the first parameter, voltage adjust (1P).

Voltage changes are lost if they are not saved before the

generator set shuts down. The generator set continues

to run with the new settings until it shuts down but then

reverts to the previous settings at the next startup if the

changes have not been saved.

Note: A digital multimeter is required for these

adjustments.

8.2.4 Voltage Adjustment

Hazardous voltage.

Can cause severe injury or death.

Operate the generator set only when

all guards and electrical enclosures

areinplace.

Moving rotor.

WARNING

Short circuits. Hazardous voltage/current can cause

severe injury or death. Short circuits can cause bodily injury

and/or equipment damage. Do not contact electrical

connections with tools or jewelry while making adjustments or

repairs. Remove all jewelry before servicing the equipment.

Grounding electrical equipment. Hazardous voltage can

cause severe injury or death. Electrocution is possible

whenever electricity is present. Open the main circuit

breakers of all power sources before servicing the equipment.

Configure the installation to electrically ground the generator

set, transfer switch, and related equipment and electrical

circuits to comply with applicable codes and standards. Never

contact electrical leads or appliances when standing in water

or on wet ground because these conditions increase t he risk of

electrocution.

Voltage Adjustment Procedure

Note: Refer to Figure 8-6 and Figure 8-7 for

instructions to adjust the voltage using the

ADC 2100.

1. With the generator set off, connect a digital

multimeter to the output leads or an electrical outlet

on the load side of the generator set. Set the meter

to measure AC voltage.

2. Start the generator set by moving the generator set

master switch to the RUN position.

3. Use the ADC controller to adjust the voltage

(parameter 1P) until the output voltage reaches the

desired value. See Figure 8-5 for the approximate

change in voltage per step in parameter 1P.

Measured

Voltage Change per Step, VAC

Voltage, VAC

Coarse Adjust Fine Adjust

85--132 5 0.5

180--251 7 0.7

Figure 8-5 Voltage Adjustment

4. Adjust the voltage stability (gain, parameter 2P) to

minimize light flicker.

5. Readjust the voltage, if necessary.

6. Readjust the voltage stability (gain, parameter 2P),

if necessary.

7. Readjust the voltage (parameter 1P), if necessary.

8. Stop the generator set.

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Kohler 13ERG User Manual Page 39

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