Installation Requirements
The fireplace must meet the minimum dimensions listed below. (Fig. 1) Do not install the logset if the fireplace does not meet these minimums.
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| Min. Fireplace Dimensions | Inlet Supply |
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| Min. |
| Max. | Air | ||||||
Logset |
| Gas |
| Front | Rear | Overall | Overall | Pressure (w.c.) |
| Manifold |
| Input |
| Input | Shutter | ||||
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| Width | Width | Depth | Height | Min. |
| Max. |
| Pressure |
| BTU/hr |
| BTU/hr | Setting | ||
18” VL18 |
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| 21” | 16¹⁄₂” | 13¹⁄₂” | 17” | 5.0 | 10.5 |
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| 3.5 | 15,000 | 24,000 | .188” Open | ||||
21” VL21 |
| Natural |
| 21” | 18¹⁄₂” | 13¹⁄₂” | 17” | 5.0 | 10.5 |
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| 3.5 | 18,000 | 32,000 | .250” Open | ||||
24” VL24 |
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| 25” | 18¹⁄₂” | 13¹⁄₂” | 17” | 5.0 | 10.5 |
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| 3.5 | 18,000 | 35,000 | .375” Open | ||||
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| Cop. | SIT |
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18” VL18LP |
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| 21” | 16¹⁄₂” | 13¹⁄₂” | 17” | 11.0 |
| 14.0 |
| 8.5 | 10.0 |
| 15,000 |
| 24,000 | Full Open | ||
21” VL21LP | Propane | 21” | 18¹⁄₂” | 13¹⁄₂” | 17” | 11.0 |
| 14.0 |
| 8.5 | 10.0 |
| 18,000 |
| 32,000 | Full Open | |||
24” VL24LP |
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| 25” | 18¹⁄₂” | 13¹⁄₂” | 17” | 11.0 |
| 14.0 |
| 8.5 | 10.0 |
| 18,000 |
| 35,000 | Full Open | ||
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| D |
| B |
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| C |
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| A |
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A. Front Width | B. Rear Width | C. Depth | D. Height |
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Fig. 1 Minimum fireplace dimensions. |
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Pressure Test Points
Copreci Valve: 1/8” N.P.T. plugged tapping is provided on the outlet side of the gas control for a test manifold pressure.
SIT Valve: Inlet and manifold taps are provided on the right side of the valve.
Proposition 65 Warning: Fuels used in gas, wood- burning or oil fired appliances, and the products of combustion of such fuels, contain chemicals known to the State of California to cause cancer, birth de- fects and other reproductive harm.
California Health & Safety Code Sec. 25249.6
Odor During Operation
Neither natural gas nor propane gas give off an odor when burned. The nature of a vent free combustion system, however, is such that odors may occasionally be produced during heater operation when impurities exist in the immediate area. Cleaning solutions, paint, solvents, cigarette smoke, candles, adhesives, new car- pet or textiles, etc., all can create fumes. These fumes may mix with combustion air and can create odor. Such odors will disappear over time, however, the condition can be alleviated by opening a window or otherwise providing additional ventilation to the area.
High Elevations
Input ratings are shown in BTU per hour and are certified without deration from elevations up to 4,500 feet (1,370 m) above sea level.
Nuisance outages may occur at altitudes above 4,500 feet (1,370 m) if dirt, dust, lint and/or cob- webs are allowed to accumulate on burner and/or ODS pilot. Monthly inspection and cleaning is recommended for altitudes above 4,500 feet (1,370 m)
For elevations above 4,500 feet (1,370m) in USA, installations must be in accordance with the current ANSI Z223.1/NFPA 54 and/or local codes having jurisdiction.
In Canada, please consult provincial and/or local authorities having jurisdiction for installations at elevations above 4,500 feet (1,370 m)
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