TP-7070 8/2020 Section 2 Operation
2.2 Exercising Generator Set
Hazardous voltage. Moving parts.
Will cause severe injury or death.
Operate the generator set only when
all guards and electrical enclosures
are in place.
DANGER
Operate the generator set under load periodically. Refer
to the engine operation manual for the exercise intervals
and load recommendations. Perform the exercise in the
presence of an operator when the generator set does
not have an automatic transfer switch with an exercise
option.
The operator should perform all of the prestart checks
before starting the manual exercise procedure. Start
the generator set according to the starting procedure in
Section 2.5, Controller Operation. While the generator
set is operating, listen for a smooth-running engine and
visually inspect generator set for fluid or exhaust leaks.
The generator set controller does not provide weekly
scheduled exercise periods. For scheduled exercise
periods, refer to the automatic transfer switch (if
equipped) literature.
2.3 Operation in Cold Weather
C
limates
Cold weather operation is generally considered ambient
temperatures below freezing 0°C (32°F). The following
items are recommended for cold weather starting and/or
operation when the unit is located in an enclosure or
unheated structure. Have a licensed electrician install
240 VAC, 15 amp outlets as needed if not already in the
immediate area.
Refer to the engine operation manual regarding engine
oil viscosity, fuel composition, and coolant mixture
recommendations.
The e
ngine block heater is generally recommended
for most units when operated below 0°C (32°F) and
required as part of NFPA 110. Refer to the respective
spec sheet for temperature recommendations in
available options.
The controller heater is required for operation below
- 20°C (- 4°F). The controller heater is a standard
feature. Make sure that 240 VAC power for the heater
is connected as shown on the generator set wiring
diagram.
A battery heater is generally recommended for most
units when operated below 0°C (32°F). Refer to the
respective spec sheet for model availability.
An alternator heater to prevent moisture and frost
buildup is available for most generator sets.
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