Comfort Glow CGD3924N Owner's Operation And Installation Manual page 10

Yellow flame design unvented (vent-free) natural gas log heater
Table of Contents

Advertisement

INSTALLING
Continued
10
You may use this heater as a vented product. If so, you must
always run heater with chimney flue damper open. If running
heater with damper open, non-combustible material above fire-
place opening is not needed. Go to Installing Damper Clamp
Accessory for Vented Operation, page 13.
Minimum Non-Combustible Material Clearances
If Not Using Mantel
If using a mantel, go to page 11. If not using a mantel, follow the informa-
Note:
tion on this page.
You must have non-combustible material(s) above the fireplace opening. Non-
combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch
thick. With sheet metal, you must have non-combustible material behind it. Non-
combustible material must extend at least 8" up (for all models). If non-combus-
tible material is less than 12", you must install the fireplace hood accessory (24"
and 30" models only). See chart below and Figure 5 for minimum clearances.
IMPORTANT:
If you cannot meet these minimum clearances, you must operate
heater with chimney flue damper open. Go to Installing Damper Clamp Accessory
for Vented Operation, page 13.
Non-Combustible
Material Distance (A)
12" or more
Between 8" and 12"
Less than 8"
Heat Resistant
Material
Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace
NOTICE
Requirements for
Safe Installation
Non-combustible material okay.
24" or 30" Models: Install fireplace hood accessory
(GA6050 or GA6052, see Accessories, page 33).
18" Model: Non-combustible material okay.
Non-combustible material must be extended to at
least 8". See Between 8" and 12", above. If you
cannot extend material, you must operate heater
with flue damper open.
(A)
103603

Advertisement

Table of Contents
loading

This manual is also suitable for:

Cgd3018nCgd3930nCgd3924ntCgd3930nt

Table of Contents