Clearance to Combustibles
Appliances |
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Top | 0” (0 mm) |
Bottom | 0” (0 mm) |
Side | 0” (0 mm) |
Back | 0” (0 mm) |
Perpendicular Sidewall | 0” (0 mm) |
Top of unit to ceiling | 36” (914 mm) |
Front of unit to combustibles | 36” (914 mm) |
Venting |
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1” (25 mm) |
Mantels
The height that a combustible mantel is fitted above the fireplace is dependent on the depth of the mantel. This also applies to the distance between the mantel leg (if fitted) and the fireplace.
For the correct mounting height and widths refer to Figures 2a and 2b and the Mantel Chart below.
The distances and reference points are not affected by the fitting of a bay window front trim kit.
Noncombustible mantels and legs may be installed at any height and width around the appliance.
When using a paint or lacquer to finish the mantel, such paint or lacquer must be heat resistant to prevent discoloration.
NVC Series
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| J | I | H |
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Black |
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| G | ||
Surround |
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Face | Mantel |
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| F |
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CFM164 | Leg |
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| K |
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| Side of |
| M | L |
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| Combustion Chamber |
| N |
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| O |
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Side View |
| V | ||||
| W | |||||
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| X | ||
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| Y | ||
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A B C D E
Bottom of Door Trim
Fireplace
Top Louvre Assembly
Top of
Combustion Chamber
CFM146
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| CFM170 |
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Ref. | Mantel | Ref. | Mantel Leg From Side |
| Leg Depth |
| of Comb. Opening |
F | 10" (254 mm) | K | 12" (305 mm) |
G | 8" (203 mm) | L | 10" (254 mm) |
H | 6" (152 mm) | M | 8" (203 mm) |
I | 4" (101 mm) | N | 6" (152 mm) |
J | 2" ( 51 mm) | O | 4" (101 mm) |
Fig. 2b | Combustible mantel leg minimum installation. | ||
Hearth
A hearth is not mandatory but is recommended for aesthetic purposes. We recommend a noncombustible hearth.
Ref. |
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| Mantel | Ref. | Mantel From Top |
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| Shelf Depth |
| of Comb. Chamber | |
V |
| 10" (254 mm) | A | 19¹⁄₂" (495 mm) | |
W |
| 8" | (203 mm) | B | 17¹⁄₂" (444 mm) |
X |
| 6" | (152 mm) | C | 15¹⁄₂" (394 mm) |
Y |
| 4" | (101 mm) | D | 13¹⁄₂" (343 mm) |
Z |
| 2" ( 51 mm) | E | 11¹⁄₂" (292 mm) | |
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Fig. 2a | Mantel clearances. |
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Cold climate installation recommendation: When installing this unit against a noninsulated exterior wall or chase, it is mandatory that 
the outer walls be insulated to conform to applicable insulation codes.
20000194 | 5 |
