Temco Tool 39RDVDSN - Manual (Page 19)

19
RDVDSN Series Direct Vent Gas Fireplace
20007894
This Gas Fireplace has been approved for:
• Vertical installations up to 40’ (12 m) in height. Up
to a 10’ (3 m) horizontal vent run can be installed
within the vent system using a maximum of two 90°
elbows. (Fig. 32)
Vertical Through-the-Roof Applications
CFM148
Pipe Straps Every
3’ (914mm)
CFM148
Fig. 32 Support straps for horizontal runs.
Maximum
10’
(3m)
Minimum
8’ (2.4m) /
Maximum
40’ (12m) Vertical
Rise
• Up to two 45° elbows may be used within the
horizontal run. For each 45° elbow used on the
horizontal level the maximum horizontal length must
be reduced by 18” (457 mm).
Example: Maximum horizontal length
0 x 45° elbows = 10’ (3 m)
1 x 45° elbows = 8¹⁄₂’ (2.6 m)
2 x 45° elbows = 7’ (2.1 m)
• A minimum of an 8’ (2.4 m) vertical rise.
• Two sets of 45° elbows offsets within these vertical
installations. From 0 to a maximum of 8’ (2.4 m) of
vent pipe can be used between elbows. (Fig. 33)
• 7DVCS must be used to support offsets. (Fig. 33)
This application will require that you first determine
the roof pitch and use the appropriate starter kit.
(Refer to Venting Components List)
• The minimum height of the vent above the highest
point of penetration through the roof is 2’ (610 mm).
(Fig. 34)
FP1021
Typical vertical
through the roof
application
3/26/00 djt
Fig. 33 Typical offset application.
Max.
8
(2.4m)
45°
Max.
8’
(2.4m)
45°
40’
(12m)
Typical
Ceiling
Support
Application
Typical Roof
Support Ap-
plication
FP1021
Typical Offset Installation
Roof Pitch H (Min.)
Flat to 6/12 12” (305 mm)
6/12 to 7/12 15” (381 mm)
Over 7/12 to 8/12 18” (457 mm)
Over 8/12 to 16/12 24” (610 mm)
Over 16/12 to 21/12 36” (914 mm)
H
12
x
T183
typical straight up
installation
12/3/03 djt
Vent Cap
Lowest Discharge
Opening
Gas Vent
Roof Pitch
is X/12
H (Min.) - Minimum height
from roof to lowest dis-
charge opening
T183
Fig. 34 Vertical termination location.