6
TYPE 1 INSTALLATION - Option B
Horizontal Design
minimum 40 inches
ForcedAir
Furnace
Return Air
Supply Air
Air
Cleaner
The furnace fan and/or HRV must operate
continuously for Type 1 and Type 2 installations.
If they do not operate continuously, then
interlocking them electrically with the TFP is
acceptable. Consult a certified electrician.
ATTENTION
TYPE 1 INSTALLATION - Option C
Vertical Design
Use Option B when Option A is not practical.
ForcedAir
Furnace
Return Air
Supply Air
Air
Cleaner
The furnace fan and/or HRV must operate
continuously for Type 1 and Type 2 installations.
If they do not operate continuously, then
interlocking them electrically with the TFP is
acceptable. Consult a certified electrician.
ATTENTION
Use Option C when Option A
is not practical.
