20
18-GJ89D1-1D-EN
Table 8. Plenum Installation
2. Assemble the plenum using the plenum’s Installer Guide.
On units with sheet metal returns: Return plenum must be flanged.
Sheet metal drill point screws must be 1/2” in length or shorter.
Typical Plenum Installation
Table 9. Downflow Installation
• Downflow installation must comply with national, state, and local
codes.
3. Prepare the location site as appropriate for your application and
per national, state, and local code requirements.
4. Set the unit in position.
Typical Downflow Installation
SSeettttiinngg tthhee UUnniitt —— VVeerrttiiccaall IInnssttaallllaattiioonn
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