Unit installation

Pre-Installation
18 SCXF-SVX01K-EN
Unpackaging
Commercial self-contained units ship assembled with
protective coverings over the coil and discharge openings.
Figure 3, p. 18 illustrates a typical shipping package.
Unit Protective Covers
Remove shipping protection coverings from human
interface panel (HI) at control panel, filter box (or air inlet
opening), discharge air opening, and optional variable
frequency drive (VFD).
Supply Fan Isolators
Remove the shipping channels and mounting bolts from
beneath the fan. See Figure 4, p. 18. Open both fan
compartment access doors to access the channels.There
are four mounting points for 20-38 ton units and six
mounting points for 40-80 ton units.
Note: For 20-38 ton units, do not remove the fan
assembly shipping blocks and tie down bolts if the
fan speed is 750 rpm or less.
While keeping the fan mounting frame level, turn the fan
isolator height adjusting bolts until the fan housing P-
gasket compresses 1/4” against the roof transition piece.
See Figure 4, p. 18.
Figure 3. Typical unit shipping package
Shipping Cover
Figure 4. Fan assembly shipping spacer locations
SCWF 40-80 &
SCRF 60 Only
SCWF 40-80 &
SCRF 60 Only
Isolator Height
Adjusting Bolt