QFP 30 Direct Vent Gas Fireplace
Page 18
03/21/01 #250-6120
FIG. 3 INSTALLATION INTO A CLASS A
METAL CHIMNEY (USA ONLY)
VENTING
FIG. 4 INSTALLATION INTO A MASONRY
CHIMNEY (USA ONLY)
HOW TO USE VENT GRAPH
EX. 2
EX. 1
11" 2' 4' 6' 8' 10' 12' 14' 15'
30'
28'
26'
24'
22'
20'
18'
16'
14'
12'
10'
8'
6'
4'
2'
0'
(MAX)
(MIN)
1. Measure the distance from the top of stove to the center
of the 90° elbow. On the graph below, draw a horizontal
line from that measurement on the vertical axis across
until it intersects with the slanted line.
2. From the point of this intersection, draw a vertical line to
the bottom of the graph.
3. The point at which this line meets the bottom line of the
graph is the maximum length of the horizontal run.
Example 1: If the vertical dimension from the top of the
stove to the center of the 90° elbow is 7' (2.13m), the
horizontal run to the outer wall flange must not exceed
9' 9" (2.97m).
Example 2: If the vertical dimension from the top of the
stove is 21’ (6.4m), the horizontal run to the outer wall flange
must not exceed 7’ 3" (2.21m).
Note 1: The maximum horizontal vent run is 15' (4.57m)
when the vertical vent rise is 10' (3.05m).
The minimum horizontal vent run is 12" (305mm).
Minimum wall thickness is 4" (102mm). Maximum
wall thickness is 20" (508mm).
Note 2: Vent damper may need to be adjusted if your
installation falls in the shaded area shown in graph.
CONFIGURATION EXAMPLES FOR THE QFP30:
•
(1) 45° elbow 1’ vertical / 12’ horizontal (1) 90° elbow
•
(1) 45° elbow 6’ horizontal
•
(1) 45° elbow & (1) 11”-14” adjustable
•
(1) 45° elbow 10’ vertical / 15’ horizontal
•
(1) 45° elbow 40’ vertical
•
(1) 45° elbow (1) foot vertical (1) 90° elbow (1) foot
horizontal (1) 90° elbow (4) 90°’s
•
(1) 45° (1) 90° elbow (2) foot horizontal (1) 90° elbow
TOTAL HORIZONTAL RUN TO OUTSIDE OF
EXTERIOR WALL (EXCLUDING ELBOWS)
VERTICAL DISTANCE FROM
APPLIANCE TOP TO THE 90°
ELBOW
TERMINATION
CAP PART
TOP
ADAPTOR
EXISTING METAL
CHIMNEY
4" FLEX PIPE
DIRECT VENT
PIPE
RETRO
CONNECTOR
Use ONLY
DuraVent #991
High Wind
Termination Cap
Top Adaptor
Flashing
4" Flex Liner
Retro
Connector
Direct Vent
Pipe
HORIZONTAL INSTALLATION INTO A
MASONRY CHIMNEY
Summary of Contents for QFP 30
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