Owner’s Manual for Generator 19
Operation
Voltage Selector Switch
The voltage selector switch mechanically changes the
connections between the generator output leads and the
connection lugs on the main control panel. Voltage
ranges are selected by rotating the handle on the switch
to the desired voltage.
The voltage selector switch is equipped with a lockout
mechanism. Once the proper voltage has been selected,
insert a padlock through the lockout hole(s). By locking
the handle in place, unauthorized changing of the voltage
setting is prevented.
Voltage Regulator
The automatic voltage regulator controls the output of the
generator by regulating the current into the exciter field.
The regulator has four screwdriver adjustable
potentiometers that may be adjusted for under frequency
(U/F) dip, protention (U/F), stability, and voltage. The
voltage regulator is adjusted before shipment from the
factory. Contact Generac Mobile Products LLC for
additional information before attempting to adjust the
voltage regulator.
NOTE: For units equipped with a Marathon DVR2000E+
automatic voltage regulator, see the Marathon operating
manual provided with the unit.
To Achieve 240V in 208V
Configuration
240V can only be achieved with version 4 (V4) or higher
of the Power Zone™ controller application. To check
which version of the Power Zone™ controller application
the unit has, follow the steps below:
1. With the unit shut down, move the Control Power
switch to the ON (I) position. After initialization, the
controller will toggle automatically to the Home
screen.
2. Press ▲, ►, ▼, or ◄ to enter the maintenance
screens.
3. Press ► until the Status tab is selected. This tab
will display which version of the Power Zone™
application the unit has.
NOTE: The version is also displayed in the top left
corner of the Configuration menu. See Accessing the
Configuration Menu.
After verifying the unit has V4 or higher of the Power
Zone™ controller application, use the following
procedure to achieve 240V while in the 208V
configuration:
4. Starting in any of the operator screens, press ▲,
►, ▼, or ◄ to enter the maintenance screens.
5. Press and O simultaneously. The next screen
will display the Configuration menu.
6. Press ▼ to move the cursor (blue highlighted text)
down to Config Selection.
7. Press ► to highlight Config to Edit. Press ► again
to highlight Selected Configuration. Press to
access the selections.
8. Press ▲ to highlight Alternative Configuration 1.
Press .
9. Press ◄ two times to get back to the left most
column.
10. Press ▼ to highlight Password Entry. Press to
display the Pin Entry screen. Press again to gain
access to enter the password. The left most pound
sign should change to 0.
11. Press ▲, ►, ▼, or ◄ to enter the password 4444 if
applicable. Press .
12. Press ▼ to highlight Generator. Press ► again to
access the selections.
13. Press ▼ to highlight Generator voltage. Press ►
again to access the selections.
14. Press ▼ to highlight Over Voltage Alarms. Press
► again to access the selections.
15. Press ▼ to highlight Alarm Trip and press to
adjust the voltage.
NOTE: Alarm Trip setting must be changed first in order
to set the Pre-alarm Trip setting.
16. Press ▲ until the voltage becomes 153V. Press .
17. Press ▲ and to adjust the voltage for the Pre-
alarm Trip.
18. Press ▲ until the voltage becomes 151V. Press .
NOTE: It is recommended the current trip settings also
get changed. The current values will depend on the unit.
19. Press ▲ and hold for five seconds until the
Saving screen appears. The screen will then return
to the maintenance screens.
NOTE: Change the alarm settings back for the 208V
configuration according to Changing Back to 208V
Configuration.
WARNING
Electric Shock. Never change the voltage
selector switch while the engine is running or
the controller is on. Doing so could result in
death, serious injury or equipment
damage.
(000302)
CAUTION
(000303)
Equipment Damage. Verify voltage application
before making changes to factory settings.
Incorrect voltage applied to a load could result
in equipment damage.
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