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Operation
Rodent Protection
Make sure the four, 3-inch diameter cap plugs are properly
installed in the tie-down holes in the side rails of the unit's base
frame (Figure 2.3). The cap plugs are shipped in a plastic bag
located in the lower connection box. These plugs are needed to
prevent rodents from accessing the interior of the generator set.
On acoustic units, cap plugs also are needed to stay within noise
specification limits.
Figure 2.3 – Base Frame Cap Plugs
START-UP INSPECTION
A standard form titled "Start-up Inspection for Standby Power
Systems" (part no. 067377) should be completed by the installa-
tion technician or engineer. As stated on the form, inspections are
to be accomplished only by factory-trained personnel. The installer
should complete the form and disseminate copies as follows:
• White copy: Mail to Generac Warranty Department, P .O. Box 8,
Waukesha, WI 53187.
• Pink Copy: For service file of installing dealer.
• Yellow Copy: For the customer's records.
GENERATOR CONTROL AND
OPERATION
Refer to the appropriate control panel operator's manual for this
unit.
OPERATING UNIT WITH MANUAL
TRANSFER SWITCH
If the generator was installed in conjunction with a transfer switch
capable of manual operation only, the following procedure applies.
A manually operated transfer switch is one that will not provide
automatic start-up and does not include an intelligence circuit.
12
ENGINE START-UP AND TRANSFER
For additional information, refer to the applicable control panel
manual for this unit, as well as any literature pertaining to the
transfer switch.
The Maintenance Disconnect Switch and
‹
the AUTO/OFF/MANUAL switches (if so
equipped) must be set properly, or the
generator will crank and start as soon as
the UTILITY power to the transfer switch is
turned off. Refer to applicable control panel
and transfer switch manuals for more infor-
mation.
Do not proceed until certain that utility
‹
source voltage is available to the transfer
switch and the transfer switch main contacts
are set to UTILITY.
+
Do not attempt manual operation until all
power supplies to the transfer switch have
been positively turned off, or extremely dan-
gerous — possibly lethal — electrical shock
will result.
+
Transfer switch enclosure doors should be
kept closed and locked. Only authorized
personnel should be allowed access to the
transfer switch interior. Extremely high and
dangerous voltages are present in the trans-
fer switch.
In order to transfer load from the utility source to the generator,
follow these directions:
• Turn OFF or disconnect the utility power circuit to the transfer
switch, using the means provided (such as the utility source
main line circuit breaker).
• Set the transfer handle to its UTILITY (NORMAL) position with
load circuits connected to the utility power supply.
• Set the standby generator's main line circuit breaker to its OFF
(or OPEN) position.
• Start the generator.
• Let engine stabilize and warm up.
• Check all applicable instrument and gauge readings. When
certain that all readings are correct, move the transfer switch
manual handle to its STANDBY (GENERATOR) position, i.e.,
load circuits supplied by the generator.
• Set the standby generator's main line circuit breaker to its ON
(or CLOSED) position.
• Load circuits are now powered by the standby generator.
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