UVS33/36
Mantels
Depending on the width of the mantel, it may be in- stalled higher or lower from the combustion chamber opening. This also applies to the distance between the mantel leg (if installed) and the fireplace. Refer to Fig- ures 5a and 5b for correct mounting heights and widths for combustible mantels and mantel legs.
Noncombustible mantels and legs may be installed at any height above the appliance opening.
When using paint or lacquer to finish the mantel, such paint or lacquer must be heat resistant to prevent discoloration.
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Black |
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Surround |
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Mantel |
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Face | Leg |
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| CFM164a | |||
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V
W
X
Y
Z
A B C D E
Bottom of Door Trim 
Fireplace
Top Louvre
Assembly
Top of Combustion
Chamber
CFM146
Side of |
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Combustion Chamber |
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Mantel
Leg
| CFM170 |
Mantel | Mantel Leg From Side |
| Ref. |
| 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) |
Fig. 5a | Combustible mantel minimum installation. | |||||
Hearth Extension
A hearth extension in front of heater is recommended but not required.
Planning
Planning the installation is an important first step: it will save time and money later in the actual installation. In planning the installation, consider:
1.Where the heater will be located.
2.All components needed to complete the project.
Ref. | Leg Depth | Ref. | of Combustion Opening |
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F | 10" | (254 mm) | K | 12" | (305 mm) |
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G | 8" | (203 mm) | L | 10" | (254 mm) |
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H | 6" | (152 mm) | M | 8" | (203 mm) |
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I | 4" | (101 mm) | N | 6" | (152 mm) |
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J | 2" | (51 mm) | O | 4" | (101 mm) | |
Fig. 5b | Combustible mantel leg minimum installation. | |||||
Mounting the Heater
The heater should only be mounted on the following surfaces:
•A flat combustible (burnable) surface.
•A raised wooden platform.
•A concrete block or other solid object placed be- neath each of the four corners of the heater.
To mount the heater:
1.Choose unit location.
2.Place unit in position and secure to floor with 1¹⁄₂" screws or nails. The holes to secure the unit to the floor are located just behind the bottom louvre on the left and right hand side of the unit.
6 | 20002211 |