Set The Unit To Auto Mode; Shutting Down The Unit; Emergency Stop Switch - Generac Power Systems Magnum Series Operating Manual

Operation
Note: The controller must be in Auto mode to run at the programmed time. Use a trickle or solar battery charger to
prevent the controller from draining the battery while in Auto mode.

Set the Unit To Auto Mode

1. From any operator or maintenance screen, press and hold the Auto/Manual Mode
or until Auto mode is displayed at the top of the screen.
Note: If any of the scheduled time slots are currently active, the controller will begin the starting sequence and start
the unit provided there are no shutdown conditions present.

SHUTTING DOWN THE UNIT

Check with personnel using power supplied by the generator and let them know that the power is going to be turned
off. Verify the power shut down will not create any hazards by accidentally turning off equipment that needs to be
kept on (pumps, compressors, lights, etc.).
1. Remove all loads from the generator by opening all circuit breakers (turn OFF (O)).
Let the engine run for approximately five minutes to allow it to cool down.
2.
Push O. Pressing the red Engine Stop/Reset (O) button will result in the generator going into the shutdown
3.
cycle and starting a 15 second shutdown timer called stopping. If the unit does not shut down within 15 sec-
onds, a stop fail alarm will be displayed on the LCD window.
After the unit shuts down, move the Control Power switch to OFF (O).
4.
Note: For extended storage time, disconnect the battery. Refer to the engine operator's manual for extended storage
requirements.

EMERGENCY STOP SWITCH

The unit is equipped with one emergency stop switch. For location of the emergency
stop switch, see Component
with all doors closed and locked.
Activate the emergency stop switch by pushing the button in until it locks down. This
will trip the main circuit breaker which will open the contact, disconnecting the load to
the connection lugs. This will also open the fuel circuit, shutting down the engine. The
emergency stop fault will be displayed on the control panel. The switch will remain
locked until it is pulled out.
34
Item
Schedule Entry 1-16
Start Time 00:00-23:59
Duration 00:00-99:59
Day Monday-Sunday
Week (of month) First, Second, Third, Fourth
Locations. The switch can be accessed and activated
MMG130DI4/175DI4/205DI4 Operating Manual
Values
Figure 3-11. Emergency
button for five seconds,
00230
Stop Switch
33722 D