Vermont Castings 360DVSR Operations Instructions download pdf (Page 18)

Vermont Castings, Majestic Products, 360DVS Series

10002547

Horizontal distance X

Fig. 28 Horizontal length requirements

STEP 1

Locate and cut vent opening in the side wall. It may be

necessary to first position the fireplace and measure to

obtain the hole location. Depending on whether the

wall is combustible or noncombustible, cut the opening

to size per Fig. 25.

Vertical Side Wall Installations

STEP 4

Apply a bead of silicone to the inner and outer flue

collars of the fireplace and using appropriate length of

pipe section(s) attach to fireplace with three (3)

screws. Follow with the installation of the inner and

outer elbow, again secure joints as described in

“Connecting Vent Pipes” section.

STEP 5

Measure the horizontal length requirement including a

2” (51 mm) overlap, i.e. from the elbow to the outside

wall face plus 2” (51 mm) (or the distance required if

installing a second 90° elbow. (Fig. 28).

Always install horizontal venting on a

level plane.

Vertical height X

#8 Screws (2)

Maximum Length

12 in. (304.8 mm)

Firestop

(Side View)

CFM135a

Fig. 26 Adjustable zero clearance sleeve

Fig. 27 Vertical height requirement

STEP 3

Place fireplace into position (Fig. 27). Measure the

vertical height (X) required from the base of the flue

collars to the center of the wall opening.

For combustible walls: Cut a rectangular hole

measuring 9

/8 in.H x 9

/8 in.W (240 mm x 240 mm)

through the exterior wall and frame. Frame in the

opening per Fig. 25.

For noncombustible walls: Cut a round hole

measuring 7

/2 in. (190 mm) diameter through the

exterior wall and frame (Fig. 25).

STEP 2

For combustible walls: Measure wall thickness and

cut zero clearance sleeve parts to proper length. Max.

length is 12 in. (305 mm). Assemble the sleeve and

attach it to the firestop with #8 sheet metal screws

(supplied). Install the firestop assembly (Fig. 26).

NOTE: Zero clearance sleeve is required only for

combustible walls.

DV_vent_loc_side

in.

(240 mm)

in.

(265 mm)

in.

(190 mm)

Vent Opening—

Combustible Wall

Vent Opening—

Noncombustible Wall

(Framing Detail)

Fig. 25 Locate vent opening on side wall

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Vermont Castings 360DVSR Operations Instructions Page 18

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