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5-2 Install
5-2-1 POWER & CONTROL SYSTEM
REQUIREMENTS
The DUKE hoist comes in a direct control. They must be connected to a power
and control system that is properly designed to operate the chain hoist and to
handle the power consumption of the motor. DUKE hoists are standard wired for
220V-240V-1ph-50/60Hz.
5-2-2 PRELIMINARY CHECKS
Before installing / starting to use the chain hoist, check the following:
General:
1.After unpacking the unit, carefully inspect for any damage that may have
occurred during transit. Check for loose, missing or damaged parts. Shipping
damage claims must be filed with the carrier. Be sure that the voltage labeled
on the unit matches your power supply.
2.
Make sure all supporting structures and attaching devices have the strength to
safety absorb the weight of the intended loads. If in doubt, consult a qualified
structural Power cables to chain hoists must include a ground conductor. If in
doubt, consult a qualified structural engineer.
3.
Chain hoists should not experience voltage drops of more than 10% of the
supply voltage. It is critical to use adequate sized power cable.
4.
The user’s control board must be grounded in accordance with the electrical
codes that are applicable in the local area. Power cable to chain hoists must
include a ground conductor. The power cable includes a yellow/green ground
conductor.
5.
The installation area must provide safe operating conditions for the operator,
including sufficient room for the operator and other personnel to stand clear of
the load at all times.
Summary of Contents for DU903
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