Continental Fireplaces CB30NTR, Installation And Operating Instructions Manual

Page: 22 / 84

22
W415-1398 / C / 06.15.17
EN
V
T
< 40 feet (12.2m)
Example:
V
1
= 9 FT (2.7m)
V
2
= 6 FT (1.8m)
V
T
= V
1
+ V
2
= 9FT (2.7m) + 6FT (1.8m) = 15FT (4.6m)
H
1
= 3 FT (0.9m)
H
2
= 2 FT (0.6m)
H
3
= 1.5 FT (0.5m)
R 1 2 3
O
R O
T T
Formula 1: H
T
< V
T
Formula 2:
T
(H ) > (V )
T T
Simple venting configuration See graph to determine the required vertical rise V
T
for the
(only two 90° elbows) required horizontal run H
T
.
REQUIRED
VERTICAL RISE IN
INCHES
(MILLIMETERS) V
T
1 3.5 19.25
(0.3) (1.1) (5.9)
HORIZONTAL VENT RUN PLUS OFFSET IN FEET (METERS) H
T
The shaded area within the lines represents acceptable
values for H
T
and H
T
For vent configurations requiring more than two 90° elbows, the following formulas apply:
Formula 1: H
T
< 3.5V
T
Formula 2: H
T
+ V
T
< 24.75 feet (7.5m)
Example: 90°
V
1
= 4 FT (1.2m)
V
2
= 1.5 FT (0.5m)
V
T
= V
1
+ V
2
= 4FT (1.2m) + 1.5FT (0.5m) = 5.5 FT
(1.7m)
H
1
= 2 FT (0.6m)
H
2
= 1 FT (0.3m)
H
3
= 1 FT (0.3m)
H
4
= 1.5 FT (0.5m)
H
R
= H
1
+ H
2
+H
3
+H
4
= 2FT(0.6m) + 1FT(0.3m) +
1FT(0.3m) + 1.5FT(0.5m) = 5.5 FT(1.7m) H
O
= .03
(four 90° one 45° elbow - 90°)
50 (1270)
100 (2540)
150(3810)
0 2.5
(0.8)
5
(1.5)
7.5
(2.3)
10
(3.1)
12.5
(3.8)
15
(4.6)
17.5
(5.3)
20
(6.1)
147 (3733.8
12
(304.8)
66
(1676.4)
° 90
V
1
V
2
H
1
H
2
° 90
° 90
H
3
B 16.3_2