Empire Comfort Systems UNVENTED GAS LOG HEATER VFDR24LBN-1 - Manual (Page 9)

Page 9 23099-1-0707
Mantel Clearances with Hood (Figure 5)
You must have non-combustible materials above the fireplace
opening. Non-combustible material must extend at least 8" above
fireplace opening. With sheet metal, you must have non-combustible
material behind it.
Heat resistant materials such as slate and marble must be at least
1/2" thick. Sheet metal should not be installed onto combustible
material.
Example: A mantel may project from the wall a maximum of 2" at
a minimum of 13-1/2" above the opening, and a maximum of 6"
at a minimum of 15" above the opening.
Figure 5
If your installation does not meet the above minimum clearances,
you must proceed to one of the following steps:
• Operate the heater with the flue damper open. See page 11 for
Installing as a Vented Appliance.
• Raise the mantel to the proper height.
• Remove the mantel.
Floor Clearance (Figure 6)
If installing heater at floor level, the minimum distance to com-
bustibles is “0” inches.
Figure 6
Sidewall & Ceiling Clearances (Figure 3)
Figure 3
The sides of the fireplace opening must be 6" from any combustible
wall. The ceiling must be at least 41" (for 18", 24" and 30" logs)
from the fireplace opening.
Mantel Clearances Without Hood (Figure 4)
You must have non-combustible materials above the fireplace
opening. Non-combustible material must extend at least 12"
above fireplace opening. With sheet metal, you must have non-
combustible material behind it.
Heat resistant materials such as slate and marble must be at least
1/2" thick. Sheet metal should not be installed onto combustible
material.
Figure 4
If your installation does not meet the above clearances, you must
proceed to one of the following steps:
• Use a hood.
• Operate the heater with flue damper open. See page 11 for Install-
ing as a Vented Appliance.
• Raise the mantel to the proper height.
• Remove the mantel.
Non-Combustible
Material Distance
Requirements for Safe Installation
12" or more Non-combustible material
Less than 12" Non-combustible material must be extended
to at least 8" with the installation of the
optional fireplace hood. If you cannot extend
non-combustible material at least 8", you must
operate heater with flue damper open.
CLEARANCES (continued)
18”, 24”, 30” Log 41”
6”
28”
12”
HEATER IN FIREPLACE
OR FIREBOX
HEAT RESISTANT
MATERIAL
12” WITHOUT
HOOD
10” and less Mantel
13.5”
14.25”
15.0”
16.0”
HOOD
HEATER IN
FIREPLACE
OR FIREBOX
HEAT RESISTANT
MATERIAL
8” WITH HOOD
8” Mantel
6” Mantel
4” Mantel
2” Mantel