24 RT-SVX23D-EN
Installation
5. Slide RETURN DUCT COVER (insulation side up) into supply opening until inward edge of duct
cover engages with the 2 retaining clips on the duct flange. Secure out-ward edge of the duct
cover with two screws.
Note: Certain unit/electric heater combinations require a limit switch change out for horizontal
airflow applications. Refer to the following instructions to determine if this process is
required for the unit undergoing installation.
6. After completing installation of the duct covers for horizontal discharge, proceed to TCO-1
instructions.
Horizontal Discharge Conversion WSC072A - WSC120A, WSC060E
• Supplies Needed by Installer for Conversion: 3 oz. tube of high Temperature RTV sealant.
(500°F/260°C : Similar to Dow Corning 736)
Note: Failure to use recommended sealant could result in unit performance loss.
If a unit is to be converted to a Horizontal discharge, the following conversion must be performed:
1. Remove RETURN and SUPPLY duct covers.
2. Place SUPPLY DUCT COVER over downflow return opening. (insulation side down)
3. Using self-drilling screws, (or screws removed from duct cover), screw through dimples to
attach Duct Cover to base.
Figure 15.
Supply duct cover with
RTV installed
Figure 16.
Supply Duct Cover
Screw into 4
dimples on top
edge
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