Combustible material fireplace preparation – Empire Comfort Systems VFSR-18-3 EN User Manual
Page 9
Page 9
18954-2-0107
FOR MASONRY BUILT FIREPLACES
FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING
COMBUSTION PRODUCTS FROM DECORATIVE APPPLIANCES
FOR INSTALLATION IN SOLID FUEL BURNING FIREPLACES
• Turn off gas supply to fireplace or firebox.
• Have the fireplace floor and chimney professionally cleaned to remove
ashes, soot, creosote or other obstructions.
Have this cleaning performed annually after installation.
• Seal any fresh air vents or ash clean-out doors located on floor or wall
of fireplace. If not, drafting may cause pilot
outage or sooting. Use a heat-resistant sealant. Do not seal chimney
flue damper.
Install and operate the appliance as directed in this manual.
FOR FACTORY BUILT FIREPLACES
FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING
COMBUSTION PRODUCTS FROM DECORATIVE APPLIANCES
FOR INSTALLATION IN SOLID FUEL BURNING FIREPLACES
Do not attach combustible material to the mantel of your fireplace. This
is a fire hazard.
Figure 7
No greeting card, stockings or ornamentation of any type should be placed
on or attached to the fireplace. This is a heating appliance. The flow of
heat can ignite combustibles.
Figure 8
COMBUSTIBLE MATERIAL
FIREPLACE PREPARATION
Appliance Input Rate (BTU/hr)
20
30
40
Chimney
Height* (ft)
Minimum Opening** (sq. in.)
10
11.3
16.6
22.1
15
8.6
12.6
17.3
20
7.5
10.8
14.5
25
6.6
9.6
12.6
30
6.2
9.1
11.3
35
5.7
8.0
10.8
40
5.3
7.5
10.2
* Height is from hearth to top of chimney and the minimum height is
10 feet.
** Chart shows minimum opening (sq. in.) for given height and input
rate.
Appliance Input Rate (BTU/hr)
20
30
40
Chimney
Height* (ft)
Minimum Opening** (sq. in.)
6
17.6
25.7
33.8
8
16.5
23.7
31.2
10
15.1
21.7
28.7
15
14.1
19.9
26.1
20
12.9
18.5
23.7
30
12.2
16.9
21.6
* Height is from hearth to top of chimney and the minimum height is
6 feet.
** Chart shows minimum opening (sq. in.) for given height and input
rate.