Avalon Firestyles Bed & Breakfast Installation - Manual (Page 27)

Installation
(for qualified installers only)
27
Travis Industries 4140312 100-01305
Top Vent Configuration with Vertical Termination
 The termination must fall within the shaded area shown in the chart. Use the indicated restrictor and
diffuser positions.
 Up to four elbows (45° or 90°) may be used.
 Only one horizontal elbow may be used.
 May use 8" or 6-5/8" diameter vent (see page for 23 details).
Restrictor Position # 3
Diffuser Position # 1 (stock)
5 feet
10 feet
15 feet
20 feet
25 feet
30 feet
0 feet
40' (max)
5 feet
10 feet
0 feet 5 feet
10 feet 14' (max)
15 feet
20 feet
25 feet
30 feet
0 feet
0 feet
NOTE:
Horizontal sections require a
1/4" rise every 12" of travel.
10 feet
40' (max)
14' (max)
NOTE:
Restrictor positions are
based upon lab tests.
The ideal restrictor
position may vary
slightly, especially when
the termination is near a
demarkation line.
5 feet
NOTE:
One 45° or 90° elbow may
be used between horizontal
sections. Horizontal length
is caculated by adding each
horizontal run together.
35 feet 35 feet
Restrictor Position # 1 (stock)
Diffuser Position # 1 (stock)
6' (min) 6' (min)
NOTE:
Two 45° elbows
may be used.
Restrictor Position # 2
Diffuser Position # 1 (stock)
This is considered a horizontal
elbow (it does not matter
whether it turns right or left).
It may be a 90° or 45° elbow.
This is considered a
vertical elbow
Horizontal length is calculated by adding
both lengths of horizontal run
(Horizontal Length = H1 + H2).
H1
H2