General Unit Requirements - Trane Precedent WSC060ED Installation, Operation And Maintenance Manual

WARNING
Heavy Objects!
Do not use cables (chains or slings) except as shown.
Each of the cables (chains or slings) used to lift the unit
must be capable of supporting the entire weight of the
unit. Lifting cables (chains or slings) may not be of the
same length. Adjust as necessary for even unit lift.
Other lifting arrangements may cause equipment or
property-only damage. Failure to properly lift unit could
result in death or serious injury.
WARNING
Improper Unit Lift!
Test lift unit approximately 24 inches to verify proper
center of gravity lift point. To avoid dropping of unit,
reposition lifting point if unit is not level. Failure to
properly lift unit could result in death or serious injury
or possible equipment or property-only damage.
Figure 15. Fork lift pockets
7. Downflow units; align the base rail of the unit with the
curb rail while lowering the unit onto the curb. Make
sure that the gasket on the curb is not damaged while
positioning the unit.

General Unit Requirements

• The checklist listed below is a summary of the steps
required to successfully install a commercial unit. This
checklist is intended to acquaint the installing
personnel with what is required in the installation
process. It does not replace the detailed instructions
called out in the applicable sections of this manual.
• Check the unit for shipping damage and material
shortage; file a freight claim and notify appropriate
sales representative.
RT-SVX39B-EN
3. Rig the unit as shown in
adequate strength lifting slings to all four lifting
brackets in the unit base rail. Do not use cables, chains,
or slings except as shown.
4. Install a lifting bar, as shown in
protect the unit and to facilitate a uniform lift. The
minimum distance between the lifting hook and the
top of the unit should be 7 feet.
5. Test-lift the unit to ensure it is properly rigged and
balanced, make any necessary rigging adjustments.
6. Lift the unit enough to allow the removal of base fork
pocket protection components as shown in the
following figures.
• Verify correct model, options and voltage from unit
nameplate.
• Verify that the installation location of the unit will
provide the required clearance for proper operation.
• Assemble and install the roof curb (if applicable). Refer
to the latest edition of the curb installers guide that
ships with each curb kit.
• Fabricate and install ductwork; secure ductwork to
curb.
• Rigging the unit.
• Set the unit onto the curb; check for levelness.
• Ensure unit-to-curb seal is tight and without buckles or
cracks.
Installation
Figure 10, p. 16. Attach
Figure 10, p. 16, to
19