Superior DRT3033 Installation And Operation Instructions Manual page 33

Innovative Hearth Products
Superior DRT3000 Series Direct-Vent Gas Fireplaces
TM
Table 23: 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 21 for more information.
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 24: 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 21 for more information.
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: 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 21 for more information.
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
Wall firestop/spacer SV4.5HF ** Wall Firestop/Spacer
*
**
V Minimum
meters
0.305
0.610
0.914
1.524
Wall firestop/
Wall Firestop/
Spacer
SV4.5HF **
SV4.5HF**
meters
0.305
H1
H 1
0.610
0.914
* When using Secure
Note - When using
Flex Secure Flex , use ceiling , use
® TM
1.524
Firestop/Spacer SF4.5VF.
firestop/spacer
SF4.5VF.
When using Secure Flex,
When using Secure
**
use Firestop/Spacer
Flex, use wall
SF4.5HF.
firestop/spacer
SF4.5HF.
H H
Ceiling
Min. One
firestop/
Foot Vent
Section spacer
Required SV4.5VF *
(SV4.5HF)
When using Secure Flex , use
®
Ceiling
ceiling firestop/spacer SF4.5VF.
Firestop/Spacer
When using Secure Flex, use wall
(SV4.5VF)
firestop/spacer SF4.5HF.
H
H
H1
H 1
Ceiling
firestop/
spacer
SV4.5VF *
Ceiling
Firestop/Spacer
SV4.5VF*
spacer
V
V
* When using Secure Flex *When using Secure Flex , use
Ceiling Firestop/Spacer SF4.5VF.
ceiling firestop/spacer SF4.5VF.
** When using Secure Flex, use
**When using Secure Flex, use
wall firestop/spacer SF4.5HF.
Wall Firestop/Spacer SF4.5HF.
Wall firestop/spacer
Wall Firestop/Spacer
SV4.5HF **
(SV4.5HF)
H
H
Wall firestop/spacer
Wall
Firestop/Spacer SV4.5HF **
(SV4.5HF)
Ceiling
Firestop/Spacer
(SV4.5VF)
Ceiling
firestop/spacer
Min. One Foot Vent
Section Required SV4.5VF *
Installation
900285-00 11/2014
V
V
, use
®
®
V
V
33