HD-973P Series Multi-Level Parking Lift 60 P/N 5900076 — Rev. B3 — January 2024
Contacting the Electrician
As mentioned previously, there are installation tasks that require a licensed Electrician.
⚠ DANGER A licensed Electrician must perform all wiring in accordance with national, state, and
local electrical codes. If someone who is not a licensed Electrician attempts these
tasks, they could damage the Lift or be electrocuted, resulting in severe injury or
even death.
The Electrician is required to:
• Connect facility electrical power to the Power Unit. Refer to Connecting the Power
Source for more information.
• Connect the Microswitch. Interrupts electrical power to the Lift in the event that a Vehicle’s
roof on the Lower Platform comes too close to contacting the underside of the Upper Platform. UL
cable included.
• Install a Power Disconnect Switch. Ensures electrical power can be quickly and completely
interrupted to the Lift in the event of an electrical fault, emergency, or when equipment is
undergoing service or maintenance. You must install the disconnect within sight and easy reach of
the Lift operator. Refer to Install a Power Disconnect Switch for more information.
• Install a Thermal Disconnect Switch. Ensures the equipment shuts down in the event of an
overload or an overheated motor. Refer to Install a Thermal Disconnect Switch for more
information. The motor on the Power Unit delivered with the Lift is not thermally
protected.
The Electrician is responsible for providing:
• an appropriate plug to attach to the Power Unit
• an appropriate Power Cord routed from the power source to the plug on the Power Unit
• a Power Disconnect Switch
• a Thermal Disconnect Switch
⚠ DANGER Risk of explosion: This equipment has internal arcing or parts that may spark and
should not be exposed to flammable vapors. The Power Unit’s motor should not be
located in a recessed area or below floor level. Never expose the motor to rain or
other damp environments; damage to the motor caused by water is not covered
by the warranty.
Connecting the Power Source
The Power Unit must be safely connected to an appropriate power source.
Several different Power Units are available, refer to Wiring Diagrams for wiring and specific
voltage/current information.
⚠ DANGER A licensed Electrician must perform all wiring. Do not perform any maintenance or
installation on the Lift without first verifying that main electrical power has been
disconnected from the Lift and cannot be re-energized until all procedures are
complete. If your organization has Lockout/Tagout policies, make sure to
implement them after connecting to a power source.
Important electrical information:
• Improper electrical installation can damage the motor; this is not covered under warranty.
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