INSTALLATION
Continued
INSTALLATION AND CLEARANCES
(Vent-Free Operation Only)
WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining wall.
MINIMUM FIREPLACE CLEARANCE
TO COMBUSTIBLE MATERIALS
Log Size |
| Side Wall |
| Ceiling | |||
18" |
| 16" |
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| 42" | ||
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| LOG SIZING REQUIREMENTS | ||||||
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| Minimum Firebox | ||||
Log |
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| Front | Rear * | ||
Size |
| Height |
| Depth | Width | Width | |
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18" | 17" | 14" | 24" |
| 20" | ||
* Measured at 14" depth.
Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127- listed manufactured fireplace or certified
Minimum Clearances For Side
Combustible Material, Side Wall and
Ceiling
A. Clearances from the side of the fireplace cabinet to any combustible material and wall should follow diagram in Figure 4.
Example: The face of a mantel, bookshelf, etc. is made of combustible material and protrudes 3 1/2" from the wall. This combus- tible material must be 4" from the side of the fireplace opening (see Figure 4).
Note: When installing your gas logs into a manufactured firebox, follow firebox manufacturer’s instructions for minimum clearances to combustible materials.
B. Clearances from the top of the fireplace open- ing to the ceiling should not be less than 42".
Example |
* |
*Minimum 16" from Side Wall
Figure 4 - Minimum Clearance for
Combustible to Wall
NOTICE: Manual control heaters maybeusedasaventedproduct. If so, you must always run heater with chimney flue damper open. If running heater with damper open, noncombustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operation, page 11.
Minimum Noncombustible Material
Clearances
If Not Using Mantel
Note: If using a mantel, proceed to If Using Mantel, page 10. If not using a mantel, follow the information below.
You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2" thick. With sheet metal, you must have non- combustible material behind it. Noncombustible material must extend at least 8" up (for all mod- els). If noncombustible material is less than 12", you must install the fireplace hood accessory (24" and 30" models only). See Figure 5, page 10 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 11.
