GB100W NATURAL OR PROPANE BOILER | Page 5 |
INSTALLATION AND OPERATING INSTRUCTIONS |
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COMBUSTIBLE FLOOR OPTION
The GB100W boiler has been designed for use on noncombustible floors only. If a GB100W boiler is to be installed on combustible flooring of any type, it MUST be installed using the Special Base designed by the Smith Cast Iron Boiler Co. Do NOT use any base other than the one specifically designed for it if installing a GB100W boiler on combustible flooring.
WARNING: Never install a GB100W boiler on combustible flooring without using the special base specifically designed for it by the Smith Cast Iron Boiler Co. Do not alter in any way the special base supplied by the Smith Cast Iron Boiler Co. Failure to comply with this warning may result in a fire causing property damage, personal injury or death!
To order the Special Base contact the nearest Smith Cast Iron Boiler distributor and ask for the “Noncombustible Floor Pan”.
Determine where the boiler will be located by following the instructions in the Boiler Location section of this manual. Place the Special Base in this location and fasten it in place to prevent it from moving while the boiler is being placed on it.
If the GB100W is being installed in an alcove or closet ensure that the minimum distance to combustible construction requirements, listed in Figure 1, are met.
Figure 2: Special Base Installation on
Combustible Flooring
FRONT | SUPPORT |
GRILL | CHANNEL |
Remove the sheet metal base pan attached to the boiler. Position the boiler in front of the Special Base. It’s suggested that two lengths of 3" pipe the width of the boiler, or longer, be placed under the boiler base side panels.
CAUTION: Be careful not to damage the burners, pilot assembly or any other gas train components during this procedure. If a component is damaged, replace it!
Carefully roll the boiler up to the front of the Special Base. Align the boiler base side panels with the Special Base support channels. Using great care, slide the boiler onto the Special Base.
CAUTION: Never lift the boiler by the jacket panels or flue collector/draft diverter or severe damage to the boiler may result!
Center the boiler from side to side on the Special Base. Ensure that the back of the burner base side panels are flush with the back of the Special Base support channels. Install the front grill supplied with the Special Base. Complete the installation in accordance with the instructions set forth in this manual.
COMBUSTION AIR
WARNING: This boiler must be supplied with combustion air in accordance with Section 5.3, Air for Combustion & Ventilation, of the latest revision of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and all applicable local building codes. Failure to provide adequate combustion air for this appliance can result in excessive levels of carbon monoxide which can result in severe personal injury or death!
Table 1: Vent and Chimney Dimensions
Boiler Size | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 |
| 11 | 12 |
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Vent Pipe | 5 | 5 | 6 | 6 | 7 | 7 | 8 |
| 8 |
| 9 | 9 |
Dia. (In.) |
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Chimney |
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| 8 x 8 |
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| 8 x 12 |
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Flue Size |
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Chimney | 18 | 18 | 18 | 17 | 17 | 17 | 16 |
| 16 |
| 16 | 16 |
Height (Ft.) |
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