DuraVent PelletVent Manual de instrucciones de instalación - Página 13

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INSTALLATION IN A CATHEDRAL

CEILINg

1. Mark a line on the side of the Cathedral

Ceiling Support Box to correspond to the line

of the roof pitch, as shown in Figure 18. Allow

for the Support Box to protrude below the

low side of the finished ceiling a minimum

of 2".

2. Position the appliance at its proper

location on the floor. Pay close attention to

the manufacturer's installation instructions

regarding the distances from combustibles,

etc. The appliance must also be positioned so

the Support Box will not interfere with roof

rafters or other structural framing.

3. Run a plumb line from the center of the

flue exit on the stove to the ceiling. Mark the

point on the ceiling where the plumb line

intersects. This represents the center of the

support box. Drill a small hole through the

ceiling at this point, so it can be located from

the top of the roof.

4. From the roof, locate and mark the outline

of the Support Box.

5. Remove shingles or other roof covering as

necessary to cut the rectangular hole for the

Support Box. Cut the hole 1/8" larger than the

dimensions of the Support Box. (Figure 19).

The rectangular hole should be centered on

the small hole which you drilled through the

ceiling to mark the location. Again, verify that

you are not cutting through rafters or framing

members.

6. Run the Support Box through the roof

as shown in Figure 20, and place it so that

the bottom of the Support Box protrudes at

least 2" below the finished ceiling. Align the

Support Box vertically and horizontally with

a level. Temporarily tack the Support Box in

place through the inside walls and into the

roof sheathing.

7. Using tin snips, cut the Support Box from

the top corners down to the roof line, and

fold the resulting flap over the roof sheathing

(Figure 21). Before nailing it to roof, run a

Figure 18

Figure 19

Figure 20

Figure 21