TYPICAL INSTALLATIONS
Housing mounted to I-joists.
Use I-joist spacer block (provided).
Housing mounted to joists.
Housing mounted to truss.
PLAN THE INSTALLATION
6-In. oR 4-In.
RoUnD
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DUcT
6-In. oR 4-In.
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purchase
RoUnD
separately
ElBoW
The unit will operate most quietly and efficiently when located
where the shortest possible duct run and minimum number of
elbows will be needed.
Use a roof cap or wall cap that has a built-in damper to reduce
backdrafts.
plan to supply the unit with proper line voltage and appropriate
power cable.
MODEL QTR140L
Page
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RooF cAp
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WAll
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