Napoleon Fireplaces BGD40-N, BGD40-P manual Using Flexible Vent Components, Elbow Spacers

DO NOT CLAMP THE

FLEXIBLE LINER

FIGURE 38

FIGURE 39

20

USING FLEXIBLE VENT COMPONENTS

!WARNING

Do not allow the inside liner to bunch up on horizontal or vertical runs and elbows. Keep it pulled tight. A 1 1/4" air gap between the liner and outer liner all around is required for safe operation. A spacer is required at the start, middle and end of each elbow to ensure this gap is main- tained. Spacers are attached to the inner flex liner at prede- termined intervals to maintain a 1 1/4" air gap to the outer flex liner. These spacers must not be removed. See Figure 34.

ELBOW

SPACERS

FIGURE 34

For optimum performance, it is recommended that horizon- tal runs have a minimum ¼" rise per foot . All inner exhaust and outer intake vent pipe joints may be sealed using either Red RTV high temp silicone sealant or Black high temp Mill Pac with the exception of the fireplace exhaust flue collar which must be sealed using Mill Pac (not supplied).

3. Insert the vent pipe through the firestop. Position and secure

the fireplace using the nailing tabs (2 per side) and/or secure

to the floor using screws inserted through the two ¼" diameter

holes in the front left and right corners of the base. The liners

should be flush with the exterior wall.

4. From outside, apply a bead of the high temperature seal-

ant or Red RTV Silicone may also be used in this location,

to the inside of both liners, approximately 1" from the end of

each liner.

5. Holding the air terminal (lettering in an upright, readable

position), insert into both liners with a twisting motion to ensure

that both the terminal sleeves engage into the liners / sealant.

Use only approved flexible liner kits marked: "Wolf Steel Approved Venting"

as identified by the stamp only on

the 8” outer liner.

FIGURE 35

Forsafeandproperoperationofthefireplace,followthevent- ing instructions exactly.

Eight (8") inches is the minimum bend radius allowed for the 8" diameter flexible liner.

HORIZONTAL AIR TERMINAL INSTALLATION

1.Stretch the 5" diameter flex pipe to the required length tak- ing into account the additional length needed for the finished wall surface. Apply a heavy bead of the high temperature sealant W573-0007 10.3oz tube (not supplied), to the inside of the 5" liner approximately 1" from the end. Slip the liner a minimum of 2" over the fireplace vent collar and secure with 3 #8 screws.

2.Using the 8" diameter flex pipe, apply high temperature sealant or Red RTV Silicone in this location, slide a minimum of 2" over the fireplace combustion air collar and secure with 3 #8 screws.

FIGURE 36

The air terminal may be recessed into the exterior wall or siding by 1½", the depth of the return flange.

FIGURE 37

Secure the terminal to the exterior wall and make weather tight

by sealing with caulking (not supplied).

6. If more vent pipe needs to be used to reach the fireplace,

couple them together as illustrated. The vent system must

be supported approximately every 3 feet for both vertical and

horizontal runs. Use support ring assembly W010-0380or

equivalent noncombustible strapping to maintain the minimum

1" clearance to combustibles.

VERTICAL AIR TERMINAL INSTALLATION

1.Fasten the roof support to the roof using the screws provided. The roof support is optional. In this case the venting is to be adequately supported using either an alternate method suitable to the authority having jurisdiction or the optional roof support.

2. Stretch the inner aluminum flex liner to the required length. Slip the liner a minimum of 2” over the inner sleeve of the air terminal connector and secure with 3 #8 screws. Seal using a heavy bead of the high temperature

sealant.

3. Repeat using the outer aluminum flex liner.

4.Thread the air terminal connector

/liner assembly down through the

roof. The air terminal must be located vertically and plumb. Attach the air terminal connector to the roof support, ensuring that the top of the air terminal is 16” above the highest point that it penetrates the roof.

5.Remove nails from the shingles, above and to the sides of the chimney. Place the flashing over the air terminal

connector leaving a min. 3/4” of the air terminal connector showing above the top of the flashing. Slide the flashing

underneath the sides and upper edge of the shingles. Ensure that the air terminal connector is properly centred within the flashing, giving a 3/4” margin all around. Fasten to the roof. Do not nail through the lower portion of the flashing. Make weather- tight by sealing with caulking. Where possible, cover the sides and top edges of the flashing with roofing material.

W415-0299 / J / 04.14.08