Trane SCWG 020, SCWG 025, SCWG 030, SCWG 035, SIWG 020, SIWG 025, SIWG 030, SIWG 035, SCRG 020, SCRG 025, SCRG 032, SIRG 020, SIRG 025, SIRG 032 Heating System User Manual


 
SCXG-SVX01B-EN 39
Pre-Startup
Requirements
Pre-Startup Procedures
Before starting up units perform the
following procedures to ensure proper
unit operation.
Unit Protective Covers
Remove the shipping protection
coverings from the human interface
panel (HI) at the control panel, the filter
box (or air inlet opening), the discharge
air opening, and optional variable
frequency drive (VFD).
Compressor Isolators
Loosen compressor isolator mounting
bolts and remove shipping bracket from
beneath the compressor feet. Retighten
isolator mounting bolts. Torque to 18 ft.
lbs. (+ 2 ft. Lbs.)
Supply Fan Isolators
Remove the shipping channels and
mounting bolts from beneath the fan. See
Figure I-PR-1. Open both fan
compartment access doors to access the
channels. The unit has six isolator
mounting points. See Figure I-PR-2.
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 transi-
tion piece. See Figure I-PR-1.
Installation
Figure I-PR-1. Supply fan horizontal isolation shipping bracket.
Figure I-PR-2. Fan isolator locations.