Operation; Engine Oil; Battery; 15 Amp Fuse - Rheem GEN20AD-E Manual De Operario

Operation

Important Owner's Considerations

Engine Oil

NOTICE Any attempt to crank or start the engine before it
has been properly serviced with the recommended oil will
result in equipment failure.
DO NOT attempt to crank or start the engine before it has
been properly serviced with the recommended oil. This
may result in an engine failure.
Damage to equipment resulting from failure to follow this
instruction will void generator warranty.
The engine is shipped from the factory pre-run and filled
with synthetic oil (API SJ/CF 5W-30). This allows for system
operation in a wide range of temperature and climate
conditions. Before starting the engine, check oil level and
ensure that engine is serviced as described in Maintenance.

Battery

The installer must supply rechargeable 12 volt DC starting
battery. See Battery in Final Installation Considerations in the
installation manual.
WARNING Battery posts, terminals and related
accessories contain lead and lead compounds, chemicals
known to the State of California to cause cancer and
reproductive harm. Wash hands after handling.
With the battery installed, all wiring to transfer switch and
generator completed, utility power supplied to the automatic
transfer switch, and the unit in AUTO mode, the battery
receives a trickle charge while the engine is not running. The ile the engi
trickle charge cannot be used to recharge a battery that is
completely discharged.

15 Amp Fuse

The generator's 15 Amp fuse is critical to correct system
operation. The 15 Amp fuse was removed at the factory to
prevent the unit from starting during shipping. Your installer
will ensure the fuse is properly installed upon completion of
the installation.
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er supplied t r supplied t he
n AUTO AUTO mod mo the ba the batte
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Automatic Operation Sequence

The generator's control board constantly monitors utility
voltage. Should utility voltage drop below a preset level, the
control board will signal the engine to crank and start.
CAUTION With the system switch set to AUTO, the
engine could crank and start at any time without
warning, resulting in minor or moderate injury.
To prevent possible injury that may be caused by such
sudden starts, always set the system switch to OFF if
performing maintenance on the system.
Remove the 15 Amp fuse before working on or around
the generator or transfer switch.
When utility voltage is restored above a preset voltage level,
the engine is signaled to shut down.
The actual system operation is not adjustable and is
sequenced by sensors and timers on the control board,
as follows:
Utility Voltage Dropout Sensor
of the nominal supply voltage, the sensor energizes
a 3 second timer. The timer is used to 'sense' mer. The ti mer. The tim
brown-outs. ts. ts.
and start. d start. start
Utility Voltage Pickup Sensor ility Voltage lity Voltag
This sensor monitors utility power voltage. When utility This senso This sen
voltage is restored above 80 percent of the nominal source voltage voltage
volta voltage, a time delay starts timing and the engine will go to volta
The The
en e engine cool-down.
Engine Cool-down Timer
When utility power is sensed and the load transfers to the
utility source, the engine will go into a cool down period as
described below:
the utility transfer occurs, the engine will continue to
run for about 1 minute before shutting down.
the utility transfer occurs, the engine will continue to
run until 5 minutes has elapsed before shutting down.
supply voltag upply volt
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