Overload; Low Speed Exercise; Normal Exercise; Automatic Voltage Regulator (Avr) Cooling Fans - Generac Power Systems 6055 Owner's Manual

General Information
2.1.6— Overload
If a load is sensed that is too large for the engine, that load will be locked out for a period of 30 minutes. If the load is
not connected through a fast Loadshed enabled controller and module, then the generator shuts down with an "Over-
load" alarm.
2.1.7— Low Speed Exercise
Low speed exercise operates at 1950 RPM for five minutes. The output voltage and frequency will not be at the rated
voltage and frequency during exercise.
2.1.8— Normal Exercise
Normal exercise is at 3600 RPM at normal voltage and frequency levels for 5 minutes.
2.1.9— Automatic Voltage Regulator (AVR) Cooling Fans
The system is equipped with two fans to cool the AVR electronics. The primary fan is powered by AC during operation.
The secondary fan is powered by 12V DC through the controller. The fans are monitored during operation and if a fail-
ure occurs, an alarm is displayed.
The secondary fan continues to operate for up to one hour after the generator is shut down. Proper cooling must occur
before removing battery connections for maintenance or other service activity.
If utility is present, the secondary 12V DC fan continues to operate for up to one hour after the genera-
*
tor is shut down (even if the 7.5 amp ATO fuse is removed). To avoid hand injury, always exercise cau-
tion when working near the AVR fan housing.
NOTE: The AVR cooling air inlet includes a filter. Verify the filter is installed and properly seated at time the
unit is installed. Check the filter at regular maintenance intervals to verify proper airflow.
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