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STATIONARY EMERGENCY
GENERATOR CONTROL AND
OPERATION
Refer to the appropriate control panel operator's manual for this
unit.
OPERATING UNIT WITH MANUAL
TRANSFER SWITCH
If the Stationary Emergency Generator was installed in conjunction
with a transfer switch capable of manual operation only, the fol-
lowing procedure applies. A manually operated transfer switch is
one that will not provide automatic start-up and does not include
an intelligence circuit.
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
specific transfer switch.
The Maintenance Disconnect Switch and
the AUTO/OFF/MANUAL switches (if so
equipped) must be set properly, or the gen-
erator 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 informa-
tion.
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).
Operation
•
Set the transfer handle to its UTILITY (NORMAL) position with
load circuits connected to the utility power supply.
•
Set the generator's main line circuit breaker to its OFF (or OPEN)
position.
•
Start the generator.
Do not crank the engine continuously for lon-
ger than 30 seconds, or the heat may dam-
age the starter motor.
•
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 the STANDBY position, i.e., load circuits sup-
plied by the generator.
•
Set the generator's main line circuit breaker to its ON (or
CLOSED) position.
•
Load circuits are now powered by the generator.
RETRANSFER AND SHUTDOWN
For additional information, refer to the applicable control panel
manual for this unit, as well as any literature pertaining to the
specific transfer switch.
To transfer the load back to the utility power source and shut down
the generator, follow these directions:
•
Set the generator's main line circuit breaker to its OFF (or OPEN)
position.
•
Manually move the transfer switch handle to its UTILITY
(NORMAL) position, i.e., load circuits connected to the utility.
•
Turn ON the utility power supply to the transfer switch, using
the means provided (such as the utility power source main line
circuit breaker).
•
Let the generator run at no-load for a few minutes to stabilize
internal temperatures.
•
Shut down the generator.
OPERATING UNIT WITH AUTOMATIC
TRANSFER SWITCH
If the Stationary Emergency Generator has been installed with an
automatic transfer switch, such as an HTS or GTS-type transfer
switch, the engine may be started and stopped automatically or
manually.
Refer to the applicable manual for your transfer switch and to
"Transfer Switch Start Signal Connections". In addition, please
note the dangers under "Engine Start-up and Transfer."
NOTE:
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