Installation Guide

D4-9 / D4-9X Four-Post Lifts 41 P/N 5900251 — Rev. A— October 2020
Connecting to a Power Source
The standard Power Unit for your Lift is 110 VAC, 50/60 Hz, single phase.
An Electrician is not required to connect a 110 VAC Power Unit to a power source. But an Electrician
is required to install the Power Disconnect Switch and Thermal Disconnect Switch.
A 220 VAC Power Unit is also available.
An Electrician is required to connect a 220 VAC Power Unit to a power source and to install the Power
Disconnect Switch and Thermal Disconnect Switch.
Whichever Power Unit you ordered, it must be connected to an appropriate power source.
⚠ DANGER All wiring must be performed by a licensed, certified Electrician. Do not perform
any maintenance or installation on the Lift without first making sure that main
electrical power has been disconnected from the Lift and
cannot be re-energized
until all procedures are complete.
Important electrical information:
• Improper electrical installation can damage the Power Unit; this is
not covered under warranty.
• Use a separate circuit breaker for each Power Unit.
• Protect each circuit with a time-delay fuse or circuit breaker. For a 110 VAC, single phase circuit,
use a 20 amp or greater circuit breaker. For a 220 VAC, single phase circuit, use a 25 amp or
greater circuit breaker.
⚠ DANGER The Lift uses electrical energy; if your organization has Lockout/Tagout policies,
make sure to implement them as soon as the Lift is connected to a power source.
The following drawing shows the standard 110 VAC Power Unit.