Venting Routes And Components
Since it is very important that the vent system maintain its bal-
ance between the combustion air intake and the flue gas
exhaust, certain limitations as to vent configurations apply and
must be strictly adhered to.
The table showing the relationship between vertical and horizon-
tal side wall venting will help to determine the various vent
lengths.
The maximum horizontal run with the 90 degree bend at the fire-
place flue outlet is 4 ft/122cm (Figure #1). The maximum horizon-
tal run is 20 ft/6.1 m when the vertical run is 7 ft/2.1m (Figure
#2). Note: 1/4” vertical rise is required for every 12” of horizontal
run.
The maximum number of 45 degree bends per side wall installa-
tion is two (2) in the horizontal run and then you must reduce the
length of the horizontal by 18 inches for each 45 degree bend.
The maximum vertical run is 40 ft/12.2 meters.
Special Note: For each 45 degree bend installed in the hori-
zontal run, the length of the horizontal run must be reduced
by 18” (45cm). This does not apply if the 45 degree bends
are installed on the vertical part of the vent system.
Example:
If according to the table, the length of the horizontal
run is 10 feet, and two 45 degree bends are required, the hori-
zontal run length must be reduced to 7 feet.
2 additional 90° bends or equals are allowed. The horizontal run
must be reduced by 36” per each 90° bend, or 18” per each 45°
bend.
How To Use The Horizontal Vent Table
1. Determine the height of the system and the number of bends
required.
2. Having determined the vertical distance determine the maxi-
mum horizontal section allowed.
3. Vent table has been established for 90° horizontal/vertical
runs. With use of flex pipe distance not having 90° bends will
not fall into vent table standards. See Fig. B.
Horizontal Venting Table From Bottom of Fireplace
for venting to a maximum of 40 ft. (12.2 meters)
Total Vertical
Max Total Horizontal
Feet
Meters
Feet
Meters
4
1.2
5
1.5
5
1.5
8
1.2
6
1.8
12
3.7
7
2.1
20
6.1
8
2.4
20
6.1
9
2.7
20
6.1
10
3.0
20
6.1
11
3.4
20
6.1
12
3.7
20
6.1
13
4.0
20
6.1
14
4.3
20
6.1
15
4.6
20
6.1
16
4.9
20
6.1
17
5.2
20
6.1
18
5.5
20
6.1
19
5.8
20
6.1
20
6.1
20
6.1
25
7.5
15
4.6
30
9
10
3.0
40
12.2
0
0
Example A:
If the vertical dimension
from the floor of the fire-
place is 6ft, the horizontal
run to the wall flange of the
vent termination must not
exceed 12ft.
NOTE: The final location
of the fireplace must be
such that the horizontal
vent dimensions fall with-
in those stated on the
graph. The Maximum
Vertical vent run is 40ft.
(12.2 meters).
Important:
Always locate the fireplace in such a way that a min-
imum of offsets and/or horizontal runs are required. 1/4” vertical
rise is required for every 12” horizontal run.
Important:
Minimum clear-
ance between vent pipes
and combustible materials is
1 inch (25mm).
It is recommended for
Propane Horizontal Installations
that the venting should be a minimum of one foot vertical
off the flue before the elbow on any horizontal runs of one
foot or greater. This allows for cleaner combustion and
greatly reduces carboning and cleaning of glass. (Does
not apply to Back Flue Models).
48
Summary of Contents for ZDV3318 Series
Page 31: ...Gas Conversion for Modulator PART C WARNING WARNING 31 ...
Page 35: ...Configuration 1 Basic manual HI LO and manual ON OFF capabilities 35 ...
Page 36: ...Receiver Module 584 523 521 221 1001 P221SI Receiver Module 584 523 521 221 1001 P221SI 36 ...
Page 43: ...Proflame 2 Remote Control 43 ...
Page 45: ...45 ...
