VENT-FREE APPLICATIONS (Additional Requirements)
Fireplace Hoods (VENT-FREE)
A fireplace hood deflects heat away from the fireplace face and mantel, reducing the potential for heat related warping
or discoloration. The use of a fireplace hood is highly recommended. Fireplace Hoods are offered by many
leading fireplace manufacturers.
Mantel Clearance Without Hood:
Non-Combustible
or Heat Resistant
Material
Horizontal Projection
from Face of Fireplace
Top of Firebox
opening
30"+ 28" 25" 20" 12"
.75"
2.5"
6"
8"
10"
Height Above Projection Out
Opening From Face
0 -12" 0"
12" - 20" 3/4"
20" - 25" 2 1/2"
25" - 28" 6"
28" - 30" 8"
30" plus 10"
FIREBOX
Figure 1
Mantel Clearance With Hood*:
Non-Combustible
or Heat Resistant
Material
Horizontal
Projection from
Face of Fireplace
Top of Firebox
opening
Fireplace Hood with
minimum 4" horizontal
projection
10" 12" 15" 17" 20"+
1.5"
2.5"
6"
8"
10"
Height Above Projection Out
Opening From Face
0" - 10" 0"
10" - 12" 1 1/2"
12" - 15" 2 1/2"
15" - 17" 6"
17" - 20" 8"
20" plus 10"
FIREBOX
* Standard Fireplace Hood with a minimum 4 inch
horizontal projection such as those offered by
most major fireplace manufacturers.
Figure 2
IF YOU CANNOT MEET THESE MINIMUM CLEARANCES YOU MUST OPERATE HEATER WITH
CHIMNEY FLUE DAMPER OPEN (Operate as a VENTED Heater - See Page 3).
ALL APPLICATIONS (VENTED and VENT FREE OPERATION)
ASSEMBLY AND INSTALLATION
Installing Chillbuster Burner Unit Into Fireplace:
DIM A
CENTER OF FIRE BOX
FRONT
DIM A = 1"
Minimum
REAR
Figure 4
With Rear Log on grate, place grate/control assembly
inside firebox or approved enclosure. Center left to right
with the back portion of the grate assembly as far to the rear
of the firebox as possible.
Remove Rear Log. Connect CHILLBUSTER to gas supply
line with supplied semi- rigid aluminum connector and
wrench tighten. Do not use pipe compound on the flared
connector fittings on supplied manifold.
Turn on the gas valve at the supply line in the fireplace.
Check connections for gas leaks by using a soapy solution.
Do not use open flame.
Volcanic Ash Placement:
Sprinkle the VOLCANIC ASH around the firebox floor.
NEVER PLACE VOLCANIC ASH ON TOP OF ANY BURNER.
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