Superior DRC3035DEN Installation And Operation Instructions Manual page 22

Innovative Hearth Products
Superior DRT/C3000 Series Direct-Vent Gas Fireplaces
TM
Install the Vent Restrictor (if necessary)
10.
1. Use the vent run descriptions in Figure 12 to determine if a vent restrictor is necessary.
2. If necessary, assemble the vent restrictor and wing as detailed in Figure 12 and Figure 15.
3. If necessary, install the appropriate vent restrictor (Figure 13 and Figure 14).
NOTE: If installing the vent restrictor in a rear vent application, ensure the factory-installed intake air baffle is in place (Figure 14).
NOTE: The vent restrictor is shipped in the firebox.
Figure 12: When to use a vent restrictor
2 1/2"
None Break-Away
horizontal run (flat to near level)
40
20
5
3
2
1
Elbow**
1.9
* For straight runs or runs with elbows as illustrated in Vertical Vent Figures/Tables starting on
Page 28
** No rise required.
*** On 33" Models, use the 3" base restrictor. Do not raise the break-away tab.
NOTE: When venting Rear Horizontal with slip collar and termination only, install base vent
restrictor with the breakaway portion raised.
22
3" Base 3" Base + wing
25 ft Maximum
Horizontal Distance (ft)
5 10 15 25
Figure 13: Vent restrictor installation, Top vent
60 ft Maximum vertical run
*
60
40
Figure 14: Vent restrictor installation, Rear vent
10
6 ***
Figure 15: Vent restrictor assembly
6 ft Minimum
vertical run
*
U-Shaped Vent
Restrictor
U-Shaped Vent
Restrictor
Inner
Fireplace
U-Shaped Vent
Inner
Collar
Restrictor
Fireplace
Appliance Top Vent Outlet
Collar
U-Shaped Vent
Appliance Top Vent Outlet
Restrictor
Inner
Fireplace
Collar
Appliance Top Vent Outlet
Inner
Fireplace
Collar
Inner Fireplace Collar
Appliance Top Vent Outlet
INNER FIREPLACE
Inner Fireplace Collar Appliance Rear
COLLAR
INNER FIREPLACE
Vent Outlet
COLLAR
U-Shaped Vent
Restrictor
Inner Fireplace Collar
Appliance Rear
Inner Fireplace Collar Appliance Rear
INNER FIREPLACE
APPLIANCE REAR
Vent Outlet
Vent Outlet
COLLAR
VENT OUTLET
Inner Fireplace Collar Appliance Rear
U-Shaped Vent U-Shaped Vent
INNER FIREPLACE
APPLIANCE REAR
Vent Outlet
Restrictor Restrictor
COLLAR
VENT OUTLET
Intake Air Baffle
Intake Air Baffle
U-Shaped Vent
U-SHAPED VENT
Restrictor
RESTRICTOR
Intake Air Baffle
Intake Air Baffle
Intake Air Baffle
With break-away
Base Vent Restrictor
Base Vent Restrictor
raised***
Base Vent Restrictor
Base Vent Restrictor
Base Vent Restrictor
Base Vent Restrictor + Wing
Base Vent Restrictor + Wing
Base Vent Restrictor + Wing
Base Vent Restrictor + Wing
Base Vent Restrictor + Wing
Installation
900285-00 05/2015
Appliance Rear
APPLIANCE REAR
Vent Outlet
VENT OUTLET
APPLIANCE REAR
VENT OUTLET
U-Shaped Vent
U-SHAPED VENT
Restrictor
U-SHAPED VENT
RESTRICTOR
RESTRICTOR
U-SHAPED VENT
RESTRICTOR
With
break-away
With break-away
With break-away
raised***
raised***
raised***
With break-away
raised***