Storage - Generac Power Systems GEN27WN Operator's Manual

Liquid-cooled residential generator system
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WaRNING
Storage batteries give off explosive hydrogen
gas during recharging.
Slightest spark will ignite hydrogen and
cause explosion.
Battery electrolyte fluid contains acid and is
extremely caustic.
Contact with battery contents will cause severe
chemical burns.
A battery presents a risk of electrical shock and
high short circuit current.
DO NOT dispose of battery in a fire. Recycle battery.
DO NOT allow any open flame, spark, heat, or lit cigarette
during and for several minutes after charging a battery.
DO NOT open or mutilate the battery.
Wear protective goggles, rubber apron, rubber boots and
rubber gloves.
Remove watches, rings, or other metal objects.
Use tools with insulated handles.
NOTE: With the battery installed and utility power available
to the transfer switch, the battery receives a trickle charge
whenever the engine is not running. It may take up to
72 hours to fully charge a battery with the trickle charge.
The trickle charge is not able to recharge a battery that is
completely discharged.
5. Connect negative battery cable to negative battery
terminal (indicated by NEGATIVE, NEG, or (-)).
6. Ensure hardware on both positive and negative battery
terminals is secure.
7. Reinstall 15 Amp fuse in control panel.
CauTION
With the system switch set to AUTO, the
engine may crank and start at any time without
warning.
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.
8. Set generator's system switch to AUTO.
9. Reset exercise timer. See Setting Exercise Timer.
To Clean the Generator
notice
Improper treatment of generator can damage it and
shorten its life.
DO NOT expose generator to excessive moisture, dust,
dirt, or corrosive vapors.
DO NOT insert any objects through cooling slots.
1. Set control board system switch to OFF.
2. Remove 15 Amp fuse from control panel.
3. Clean generator as desired.
• Use a damp cloth to wipe exterior surfaces clean.
• Use a soft, bristle brush to loosen caked on dirt, etc.
• Use a vacuum cleaner to pick up loose dirt and debris.
• Use low pressure air (not to exceed 25 psi) to blow
away dirt. Inspect cooling air slots and openings on
the generator. These openings must be kept clean and
unobstructed.
4. Reinstall 15 Amp fuse in control panel.
5. Set generator's system switch to AUTO.
6. Reset exercise timer. See Setting Exercise Timer.
7. Close access doors.
When Calling For assistance
You must have the following information at hand if it is
necessary to contact a local service center regarding service
or repair of this unit:
1. Obtain the unit Model Number and Serial Number from
the unit ID label. See Controls for location of the label
or refer to the information recorded on the inside front
cover of the Installation Manual.
2. Obtain the engine identification numbers from the
engine label. See the engine operator's manual for
location of this information. Please note that several
different engines are described in the engine manual,
so your engine may vary from that shown.

Storage

The residential generator system is designed for long term
service as a backup generator. As such, there is no need
to take any storage precautions. However, if it becomes
necessary to take the system out of service for an extended
period, call Technical Services at (877) 369-9400, between
8:00 AM and 5:00 PM CT for specific recommendations.
Refer to the engine operator's manual for further information
21

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Gen30wlGen42wnGen45wl

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