15
DVA4136 Series Direct Vent Gas Fireplace
10010270
Example:
Elbow 1 = 90°
Elbow 2 = 45°
Elbow 3 = 45°
Elbow 4 = 90°
Total angular variation = 270°
1 + 2 + 3 + 4 = 270°
FP1239
Fig. 17
Maximum number of elbow degrees.
1
2
3
4
NOTE:
When using flex vent, the opening will have to
be measured according to the 1/2” (13 mm) rise in 12”
(305 mm) vent run.
Combustible Walls:
(Fig. 18) Cut a 9
³⁄₈
”H x 9
³⁄₈
”W (240
x 240 mm) hole through the exterior wall and frame as
shown.
Noncombustible Walls:
(Fig. 18) Hole opening must
be 7
¹⁄₂
” (190 mm) in diameter.
VO584-100
Vent Opening
2/99 djt
Vent Opening for Combustible Wall
9
³⁄₈
”
(240mm)
9
³⁄₈
”
(240mm)
Fireplace Hearth
Framing
Detail
Opening for Noncombustible Wall
7
¹⁄₂
”
(190mm)
VO584-100
Fig. 18
Locate vent opening on wall.
STEP 2
Measure wall thickness and cut zero clearance sleeve
parts to proper length (MAXIMUM 12”/305 mm). As-
semble sleeve and attach to firestop with #8 sheet
metal screws (supplied). Install firestop assembly. (Fig.
19)
Zero clearance sleeve is only required for
combustible walls.
STEP 3
Place fireplace into position. (Fig. 20) Measure the ver-
tical height (X) required from the base of the flue collars
to the center of the wall opening.
X
FP1240
Fig. 20
Vertical height requirement.
ZCS101
Zero Clearance Sleeve
3/11/99 djt
Max. Length
12” (305mm)
#8 Screws (2)
#8 Screws
(2)
Adjustable
Zero Clearance
Sleeve
#8 Screws
(2)
Adjustable Zero Clearance Sleeve
ZCS101
Fig. 19
Adjustable zero clearance sleeve.
Firestop
STEP 4
Attach the appropriate venting component(s) to the
inner and outer flue collars of the fireplace using three
(3) screws. (Fig. 21) Follow with the installation of the
inner and outer elbow. Again secure joints with three (3)
sheet metal screws.
STEP 5
Measure the horizontal length requirement including
a 2” (51 mm) overlap, ie from the elbow to the outside
wall face plus 2” (51 mm) (or the distance required if
installing a second 90° elbow). (Fig. 21)
Always install horizontal venting on a level
plane.