Framing and Finishing
Check fireplace to make sure it is levelled and properly positioned.
To mount the appliance:
1.Choose the location.
2.This unit comes with four (4) flanges
3.Bend the desired flanges out 90° on both sides of the fireplace. Slide the fireplace into the framed opening until the flanges contact the front surfaces of the framing. Level the unit and secure it firmly in place.
Flange | Drywall | Flange Location for |
Position | Depth | Desired Drywall Depth |
A1/2” / 13 mm
B | 5/8” / 16 mm |
AB
FP1539
Fig. 5 Nailing flanges.
Final Finishing
Noncombustible materials such as brick or tile may be extended over the edges of the face of the fireplace. DO NOT cover any vent or grille panels.
If a Trim Kit is going to be installed on the fireplace, the brick or tile will have to be installed flush with the edges of the fireplace.
33XDV / 36XDV / 39XDV
Certified To
ANSI Z21.88-2005 / CSA 2.33-2005
Vented Gas Fireplace Heaters
Units: GFDN3L1, GFDE3L1, GFDN3J1, GFDI3J1, GFDE3JI, GFDN3K1, GFDE3K1
XDV Direct Vent Gas Fireplace
Gas Specifications
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| Max. | Min. |
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| Input | Input |
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Model | Fuel | Gas Control | BTU/h | BTU/h |
33XDVRN | Nat. | Millivolt Hi/Lo | 21,500 | 4,400 |
33XDVRP | Prop. | Millivolt Hi/Lo | 21,500 | 5,425 |
33XDVEN | Nat. | 24 Volt Hi/Lo | 21,500 | 4,400 |
33XDVEP | Prop. | 24 Volt Hi/Lo | 21,500 | 5,425 |
36XDVRN | Nat. | Millivolt Hi/Lo | 27,500 | 5,150 |
36XDVRP | Prop. | Millivolt Hi/Lo | 27,500 | 5,500 |
36XDVRFN | Nat. | Comfort Contrl | 27,500 | 5,810 |
36XDVRFP | Prop. | Comfort Contrl | 27,500 | 6,225 |
36XDVEN | Nat. | 24 Volt Hi/Lo | 27,500 | 5,150 |
36XDVEP | Prop. | 24 Volt Hi/Lo | 27,500 | 5,500 |
39XDVRN | Nat. | Millivolt Hi/Lo | 30,000 | 6,700 |
39XDVRP | Prop. | Millivolt Hi/Lo | 30,000 | 5,800 |
39XDVEN | Nat | 24 Volt Hi/Lo | 30,000 | 6,700 |
39XDVEP | Prop | 24 Volt Hi/Lo | 30,000 | 5,800 |
Gas Inlet and Manifold Pressures
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| Natural | LP (Propane) |
Inlet Minimum | 5.5” w.c. | 11.0” w.c. | |
Inlet Maximum | 14.0” w.c. | 14.0” w.c. | |
Manifold Pressure | 3.5” w.c. | 10.0” w.c. | |
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High Elevations
Input ratings are shown in BTU per hour and are certified without deration for elevations up to 4,500 feet (1,370m) above sea level.
For elevations above 4,500 feet (1,370m) in USA, installations must be in accordance with the cur- rent ANSI Z223.1/NFPA 54 and/or local codes hav- ing jurisdiction.
In Canada, please consult provincial and/or local authorities having jurisdiction for installations at elevations above 4,500 feet (1,370m).
Gas Line Installation
When purging the gas lines, the front win- dow frame assembly must be removed.
The gas pipeline can be brought in through the rear of the appliance as well as the bottom. Knockouts are provided on the bottom behind the valve to allow for the gas pipe installation and testing of any gas connection. It is most convenient to bring the gas line in from the rear right side of the valve as this allows fan installation or removal without disconnecting the gas line.
10009383 | 7 |