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TP-6198 3/15
41
Section 4 Controller
4.9 Controller Configuration and
Adjustment
This section contains instructions for using the
controller’s password-protected menus to check and
adjust the generator output and controller configuration.
The controller configuration and generator set output
are factory-set and should not require field adjustment
under normal circumstances. Check and adjust the
configuration and/or output in the following cases:
D
Check and adjust the controller configuration and
generator output after generator set reconnection to a
different voltage.
D
Check controller configuration when troubleshooting
generator set problems.
D
Check and adjust the generator set output after
installation if the voltage requires adjustment for a
particular application.
4.9.1
Voltage Adjustments
Hazardous voltage.
Can cause severe injury or death.
Operate the generator set only when
all guards and electrical enclosures
are in place.
Moving parts.
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.
The controller’s adjustment mode allows adjustment of
the output voltage, if necessary. Have adjustments
performed by an authorized distributor/dealer or service
technician.
Note:
A digital voltmeter is required for these
adjustments.
Use a voltmeter to check the output voltage. If the output
voltage is not within specifications, use the ADC
controller to adjust the output voltage while the
generator set is running. The flowcharts in Figure 4-13
and Figure 4-14 outline the adjustment procedures.
Note:
Be sure to save your settings before exiting the
configuration mode.
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.
Pressing the Select button when SAVE is displayed
returns to the first parameter, voltage adjust (1P).
Note:
Refer to the flowcharts in Figure 4-13 and
Figure 4-14 during the voltage adjustment
procedure.
Voltage Adjustment Procedure
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 4-12 for the
approximate change in voltage per step in
parameter 1P.
Measured
Voltage, VAC
Voltage Change per Step, VAC
Coarse Adjust
Fine Adjust
85--132
5
0.5
180--251
7
0.7
Figure 4-12
Voltage Adjustment (approximate)
4. Adjust the voltage stability (gain, parameter 2P) to
minimize light flicker.
5. Readjust the voltage, if necessary.
6. Stop the generator set.
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