Product Manual

HeatPack Furnace Installation and Operation Manual

7.1.2 Adjustable height of the plenum; (with the plenum extension cut off A).

When the ceiling height, measured from

the floor is greater than 72" (183 cm),

but less than 84" (213 cm), it will be

possible to cut the plenum extension (A)

of at most 10" (254 mm). The plenum

extension (A) must therefore have a

minimum height of 14" (356 mm)

Warning: The plenum extension (A)

should not obstruct the openings for the

hot air distribution of the plenum (B).

The shaded area represents the

maximum cutting of plenum extension

(A).

7.1.3 Adjustable height of the plenum (A and B)

For ceiling height greater than 84"

(213 cm), use plenum extension (A)

without cut off and plenum (B).