TP-6447 10/126 Safety Precautions and Instructions
conductors and connect it to the
equipment grounding terminal or the
lead on the battery charger. Install the
battery charger as prescribed in the
equipment manual. Install the battery
charger in compliance with local codes
and ordinances.
Connecting the battery and the
battery charger. Hazardous voltage
can cause severe injury or death.
Reconnect the battery correctly,
positive to positive and negative to
negative, to avoid electrical shock and
damage to the battery charger and
battery(ies). Have a qualified
electrician install the battery(ies).
Short circuits. Hazardous
voltage/current can cause severe
injury or death. Short circuits can
cause bodily injury and/or equipment
damage. Do not contact electrical
connections with tools or jewelry while
making adjustments or repairs.
Remove all jewelry before servicing
the equipment.
Servicing the transfer switch.
Hazardous voltage can cause
severe injury or death. Deenergize
all power sources before servicing.
Turn off the main circuit breakers of all
transfer switch power sources and
disable all generator sets as follows:
(1) Move all generator set master
controller switches to the OFF
position. (2) Disconnect power to all
battery chargers. (3) Disconnect all
battery cables, negative (--) leads first.
Reconnect negative (--) leads last
when reconnecting the battery cables
after servicing. Follow these
precautions to prevent the starting of
generator sets by an automatic
transfer switch, remote start/stop
switch, or engine start command from a
remote computer. Before servicing any
components inside the enclosure: (1)
Remove all jewelry. (2) Stand on a dry,
approved electrically insulated mat.
(3) Test circuits with a voltmeter to
verify that they are deenergized.
Making line or auxiliary
connections. Hazardous voltage
can cause severe injury or death. To
prevent electrical shock deenergize
the normal power source before
making any line or auxiliary
connections.
Servicing the transfer switch
controls and accessories within the
enclosure. Hazardous voltage can
cause severe injury or death.
Disconnect the transfer switch controls
at the inline connector to deenergize
the circuit boards and logic circuitry but
allow the transfer switch to continue to
supply power to the load. Disconnect
all power sources to accessories that
are mounted within the enclosure but
are not wired through the controls and
deenergized by inline connector
separation. Test circuits with a
voltmeter to verify that they are
deenergized before servicing.
Testing live electrical circuits.
Hazardous voltage or current can
cause severe injury or death. Have
trained and qualified personnel take
diagnostic measurements of live
circuits. Use adequately rated test
equipment with electrically insulated
probes and follow the instructions of
the test equipment manufacturer when
performing voltage tests. Observe the
following precautions when performing
voltage tests: (1) Remove all jewelry.
(2) Stand on a dry, approved
electrically insulated mat. (3) Do not
touch the enclosure or components
inside the enclosure. (4) Be prepared
for the system to operate automatically.
(600 volts and under)
Airborne particles.
Can cause severe injury or
blindness.
Wear protective goggles and clothing
when using power tools, hand tools,
or compressed air.
WARNING
Heavy Equipment
Unbalanced weight.
Improper lifting can cause severe
injury or death and equipment
damage.
Use adequate lifting capacity.
Never leave the transfer switch
standing upright unless it is securely
bolted in place or stabilized.
WARNING
Notice
NOTICE
Hardware damage. The transfer
switch may use both American
Standard and metric hardware. Use
the correct size tools to prevent
rounding of the bolt heads and nuts.
NOTICE
Improper operator handle usage.
Use the manual operator handle on the
transfer switch for maintenance
purposes only. Return the transfer
switch to the normal position. Remove
the manual operator handle, if used,
and store it in t he place provided on the
transfer switch when service is
completed.
NOTICE
Foreign material contamination.
Cover the transfer switch during
installation to keep dirt, grit, metal drill
chips, and other debris out of the
components. Cover the solenoid
mechanism during installation. After
installation, use the manual operating
handle to cycle the contactor to verify
that it operates freely. Do not use a
screwdriver to f orce the contactor
mechanism.
NOTICE
Electrostatic discharge damage.
Electrostatic discharge (ESD)
damages electronic circuit boards.
Prevent electrostatic discharge
damage by wearing an approved
grounding wrist strap when handling
electronic circuit boards or integrated
circuits. An approved grounding wrist
strap provides a high resistance (about
1 megohm), not a direct short,to
ground.
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