User Guide

10
2.6.1 DUCTS CONNECTION
VD0489
CORRECT INSTALLATION
VD0490
INCORRECT INSTALLATION
IMPORTANT: Make sure to connect ducting as illustrated below to get airfl ows reading accuracy. Correct installation will
also allow proper drainage of water that may accumulate in ducting.
Insulated ducts must have the same diameter as the ports to ensure proper drainage of water that may accumulate in ducts.
CAUTION
Ducting must not be too crushed. Otherwise, airfl ows reading accuracy will be affected.
CAUTION
R = 3" minimum
NOTE: Route ducts as straight as possible, minimize the number of elbows and design and install ducts in accordance with
ACCA’s Manual D.