Overview
Refrigerant Piping Guidelines
Figure 2. Allowable elevation difference: TTA above indoor unit
For TTA units, contact the manufacturer for review.
Figure 3. Allowable elevation difference: TWA above indoor unit
Not allowed for TWA units.
Note: Regardless of orientation, hot gas bypass (HGBP) lines are limited to 75 feet. See Hot Gas Bypass Installation Guideline
for Direct Expansion (DX) Equipment APP-APG017*-EN for more details
SS-APG008H-EN
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