TP-5631 7/96 Generator Reconnection 5-1
Section 5. Generator Reconnection
Voltage Reconnection Procedure
The reconnection procedure explains voltage
reconnections only. If frequency changes are required,
the governor and voltage regulator need adjustment.
See the generator set service manual for information
regarding frequency adjustment.
To illustrate the reconnection of 4-lead or 12-lead
generatorsets, thefollowinginformationisprovided. In
all cases, follow the National Electrical Code (NEC)
guidelines.
Reconnect the stator leads of the generator set if a
different output phase(12-lead models only) or voltage
is desired. Refer to the following procedure and the
connectionschematics. Followallsafety precautionsat
the front of this manual and in the text while performing
this procedure.
NOTE
Order voltage reconnection decal 246242 from an
authorized service distributor/dealer and affix decal to
generator set after reconnecting to a voltage different
than the nameplate.
Accidental starting.
Can cause severe injury or death.
Disconnect battery cables before working on
generator set (disconnect negative lead first and
reconnect it last).
WARNING
Disabling generator set. Accidental starting can
cause severe injury or death. Turn generator set
master switch to OFF position, disconnect power to
battery charger, and remove battery cables (remove
negative lead first and reconnect it last) to disable
generator set before working on the generator set or
connectedequipment. Thegeneratorsetcanbestarted
by an automatic transfer switch or remote start/stop
switch unless these precautions are followed.
WARNING
Hazardous voltage. Moving rotor.
Can cause severe injury or death.
Operate generator set only with all guards and
electrical enclosures in place.
Grounding generator set. Hazardous voltage can
cause severe injury or death. Electrocution is
possible whenever electricity is present. Open main
circuit breakers of all power sources before servicing
equipment. Configure the installation to electrically
ground the generator set and electricalcircuits when in
use. Never contact electricalleadsor appliances when
standing in water or on wet ground, as the chance of
electrocution is increased under such conditions.
Short circuits. Hazardous voltage can cause
severeinjuryordeath. Shortcircuitscancausebodily
injury and/or equipment damage. Do not contact
electrical connections with tools or jewelry while
adjustmentsare made. Removewristwatch, rings,and
jewelry before servicing equipment.
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