Справочник Пользователя для Vermont Casting 20DVT

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Brookhaven Direct Vent Gas Fireplace
6
10009459
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 pre-mounted 
on both sides of the fireplace to allow two different 
drywall thicknesses to be used. Flange “A” is for 
1/2” drywall while flange “B” is for 5/8” drywall.
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.
Fig. 4  Nailing flanges.
 
Flange 
Drywall
  Position 
Depth
 
1/2” / 13 mm
 
5/8” / 16 mm
Flange Location for 
Desired Drywall Depth
FP1539
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.
Final Finishing
20DVT
Certified To
ANSI Z21.88-2005 / CSA  2.33-2005
Vented Gas Fireplace Heaters
  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.
Gas Inlet and Manifold Pressures
 
Natural 
LP (Propane)
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.
The gas line connection can be made with properly 
tinned 3/8” copper tubing, 3/8” rigid pipe or an ap-
proved flex connector. Since some municipalities have 
additional local codes, it is always best to consult your 
local authority and the National Fuel Gas Code, ANSI 
Z223.1/NFPA 54 in the USA or the CSA-B149.1 installa-
tion code.
Always check for gas leaks with a mild soap 
and water solution applied with a brush no 
larger than 1” (25 mm). Never apply soap 
and water solution with a spray bottle. Do 
not use an open flame for leak testing.
A
B
FP1626
flange location
5/06
Unit: GFDN4B0
    
 
 
Max. 
Min. 
Air
    
 
 
Input  Input 
Shutter
  Model 
Fuel  Gas Control  BTU/h  BTU/h  Setting
    
 
 
 
 
Sides & 
   20DVTRN  Nat.  Millivolt Hi/Lo  13,000  8,700 
Bottom 
    
 
 
 
 
Half Open
    
 
 
 
 
Sides &
  20DVTRP  Prop.  Millivolt Hi/Lo  13,000  8,700 
Bottom 
    
 
 
 
 
Half Open
Gas Specifications