Auto Exercise Timer; Accessing The Configuration Menu; Set The Controller Clock - Generac Power Systems MAGNUM MMG25IF4 Operating Manual

Operation
FAILURE TO ISOLATE THE GENERATOR FROM THE NORMAL POWER UTILITY CAN
CAUSE POTENTIALLY LETHAL VOLTAGE TO BACKFEED INTO THE UTILITY LINES.
THIS MAY RESULT IN INJURY OR ELECTROCUTION OF UTILITY WORKERS NEARBY.
MAKE SURE THE GENERATOR IS ISOLATED BY A TRANSFER SWITCH FROM ANY
LOCAL UTILITY LINES. THIS ALSO APPLIES IF THE GENERATOR IS BEING USED
Installation of a transfer switch or other type of remote starting device is the responsibility of the user. Installation of
such devices must be performed by following all directions supplied by the manufacturer of the switch. If attaching
the unit to a power supply normally serviced by a utility company, notify the utility company and check state and local
regulations. Familiarize yourself with all instructions and warning labels supplied with the switch.
Only a trained and licensed electrician perform any wiring and related connections
to unit. Failure to follow proper installation requirements could result in death, serious
When using the unit as a standby or substitute power supply, make sure the output voltage
and phase rotation of the generator match those of the local power utility. Improper voltage

AUTO EXERCISE TIMER

The Power Zone™ controller is capable of starting and stopping the unit automatically, based on a programmable
schedule.
Units installed in a standby application should be exercised regularly to maintain operating condition and to ensure
responsiveness in an emergency situation. Use the following procedures to operate the unit in Auto mode:

Accessing the Configuration Menu

1. With the unit stopped, press ▲, ►, ▼, or ◄ to navigate to the maintenance screens from any of the operator
screens.
While on any maintenance screen, press () and (O) simultaneously. The controller will display the Config-
2.
uration menu.
To save any changes and exit the Configuration menu, press and hold () for five seconds. To cancel any
3.
changes and return to the maintenance screen, press and hold (O) for five seconds.

Set the Controller Clock

The schedule runs based off the time set in the controller clock. Use the following procedure to set the controller
clock BEFORE setting the schedule:
1. Navigate to the Maintenance group and press ► to access it.
Press ► to select the Time section.
2.
Set the time and date to the correct local time.
3.
32
AS A BACKUP TO SOME OTHER TYPE OF POWER SUPPLY.
injury, and damage to equipment or property. (000155)
or phase rotation may cause equipment damage or malfunction.
MMG25I-35D-45I-55DF4 Operating Manual
DANGER
WARNING
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