Superior DRT2033 Installation And Operation Instructions Manual page 31

Innovative Hearth Products
Superior™ DRT2000 and DRC2000 Direct-Vent Gas Fireplaces
Table 24: Top Vent—One 90° Elbow, Elbow Connection NOT at Fireplace
H Maximum
feet meters
5 1.524
10 3.048
15 4.572
25 7.62
Install the U-shaped vent restrictor in any vent run with more than 4 ft of vertical rise. See
Page 19 for more information.
Compact termination (SV4.5HTKCT) shown.
See Table 21 as an aid in venting component selection for a particular range of exterior wall thicknesses.
If 25 ft of (H) horizontal vent run is needed, then 5 ft minimum of (V) vertical vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 ft of (V) vertical, you are allowed 5 ft of (H)
horizontal run, up to a maximum horizontal run of 25 ft (7.62 m).
Table 25: Rear Vent—Two 90° Elbows
H + H Maximum
1
feet meters
5 1.524
10 3.048
15 4.572
25 7.62
V + H + H = 60 ft (18.288 m) maximum
1
H = 8 ft (2.438 m) maximum
H + H = 25 ft (7.62 m) maximum
1
Install the U-shaped vent restrictor in any vent run with more than 4 ft of vertical rise. See
Page 19 for more information.
Compact termination (SV4.5HTKCT) shown.
See Table 21 as an aid in venting component selection for a particular range of exterior wall thicknesses.
If 25 ft of (H) horizontal vent run is needed, then 5 ft minimum of (V) vertical vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 ft of (V) vertical, you are allowed 5 ft of (H)
horizontal run, up to a maximum horizontal run of 25 ft (7.62 m).
Table 26: Top Vent—Two 90° Elbows
H + H Maximum
1
feet meters
3 0.91
5 1.524
10 3.048
15 4.572
25 7.62
V + H + H = 60 ft (18.288 m) maximum
1
H + H = 25 ft (7.62 m) maximum
1
Install the U-shaped vent restrictor in any vent run with more than 4 ft of vertical rise.
See Page 19 for more information.
Compact termination (SV4.5HTKCT) shown.
See Table 21 as an aid in venting component selection for a particular range of exterior wall
thicknesses.
If 25 ft of (H) horizontal vent run is needed, then 5 ft minimum of (V) vertical vent will
be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 ft of (V) vertical, you are allowed 5 ft of (H)
horizontal run, up to a maximum horizontal run of 25 ft (7.62 m).
V Minimum
feet
1
2
3
5
H Maximum
feet meters feet
2 0.610 1
4 1.219 2
6 1.829 3
10 3.048 5
V Minimum
feet
Elbow only
1
2
3
5
meters
0.305
0.610
0.914
1.524
spacer SV4.5HF **
* When using Secure Flex
ceiling firestop/spacer SF4.5VF.
** When using Secure Flex, use
wall firestop/spacer SF4.5HF.
V Minimum
meters
0.305
0.610
0.914
1.524
Wall firestop/
spacer
SV4.5HF **
meters
0.305
H1
0.610
0.914
1.524
* When using Secure Flex
ceiling firestop/spacer SF4.5VF.
** When using Secure Flex, use
wall firestop/spacer SF4.5HF.
H
Ceiling
firestop/
spacer
Wall firestop/
SV4.5VF *
, use
®
H
H1
Ceiling
firestop/
spacer
SV4.5VF *
V
* When using Secure Flex
ceiling firestop/spacer SF4.5VF.
** When using Secure Flex, use
wall firestop/spacer SF4.5HF.
Wall firestop/spacer
SV4.5HF **
H
Wall firestop/
spacer
SV4.5HF **
Ceiling
firestop/spacer
, use
®
SV4.5VF *
Installation
900004-00, 04/2014
V
, use
®
V
31