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A.
If control wiring is all the same color, ohm out each individual wire to confirm
proper labeling and placement.
Control wiring must be a minimum of 14 AWG for wire runs
under 50 feet. Consult Avtron factory for wire sizing when
wire run exceeds 50 feet.
B.
Confirm the correct wire gauge has been used for interconnection wiring. Control
wiring should be a minimum of 14 AWG for control panel to Load Bank lengths of
50 feet or less. For lengths of greater than 50 feet, consult the factory.
4.
Energize the source of control power only:
Check the control voltage and confirm it is within 10% of the required voltage.
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Control power is present on terminal block in steps 4 through 6.
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5.
Verify the proper relays energize with each individual load switch.
A.
Turn on each load step individually and observe that each relay or relays pulls in
without chatter or hesitation.
B.
Turn off the master load switch. Turn on all the load steps. Turn the master load on
and observe the pull in of all the contactors. If chatter or hesitation is observed,
locate the cause of the voltage drop causing the problem.
This checkout procedure is intended to be a guide to Load Bank installations in general. Special
installation considerations not addressed herein may be necessary due to installation site or
environment. Any questions or concerns regarding Load Bank installation should be directed to
Avtron Field Service at (216) 641-8310.
LOCATION
Avtron Load Bank • Part Number K711D36027
C A U T I O N
W A R N I N G
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