GS110IOM-2 GS110W NATURAL OR PROPANE GAS BOILERS INSTALLATION & OPERATION MANUAL MEA#117-96-E DESIGNED AND TESTED ACCORDING TO A.S.M.E. BOILER AND PRESSURE VESSEL CODE, SECTION IV FOR A MAXIMUM ALLOWABLE WORKING PRESSURE OF 50 PSI WATER. TO INSTALLER NOTE: READ THESE INSTRUCTIONS CAREFULLY. THEY WILL SAVE YOU TIME IN ASSEMBLING BOILER PROPERLY. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
Page 2 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS AVERTISSMENT. Assurez-vous de bien suivre les instructions données dans cette notice pour réduire au minimum le risque d’incendie ou d’explosion ou pour éviter tout dommoge matériel, toute blessure ou la mort Ne pas entreposer ni utiliser d’essence ou ni d’autres vapeurs ou liquides inflammables à proximité de cet appareil ou de tout autre appareil. QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ: • Ne pas tenter d’allumer d’appareil.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS The installation must conform to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the National Fuel Gas Code, ANSI Z223.1-latest revision. In Canada, the installation must be in accordance with the requirements of CSA B149.1 or B149.2 Installation Code for Gas Burning Appliances and Equipment.
Page 4 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS COMBUSTION AIR & VENTILATION 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. Canadian installations must comply with CSA B149.1 or .2 Installation Code for Gas Burning Appliances and Equipment, or applicable provisions of the local building codes.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS When calculating the free area necessary to meet the make-up air requirements of the enclosure, consideration must be given to the blockage effects of louvers, grills and screens. Screens must have a minimum mesh size of 1/4" (6.4mm). If the free area through a louver or grill is not known ducts should be sized per Table 1.
Page 6 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Figure 5 - Vertical Negative Pressure Metal Chimney System and Inside Combustion Air (Cat. I) Intake Air Option - General Guidelines This configuration provides combustion air directly to the boiler using a dedicated pipe. Combustion air can be drawn in horizontally through an outside wall or vertically through the roof, see Figures 6, 7, 8, 9 & 10. WARNING: Each boiler must have it's own intake air system.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS All joints in metal intake air systems must be secured using corrosion resistant fasteners and sealed using a suitable Silicone caulk. If PVC or CPVC is used, the joints must be cleaned with a suitable solvent and connected using a solvent based PVC cement. The intake air system MUST be supported by the building structure not the boiler/water heater. Intake Air Option - Vertical Guidelines A listed, nonrestrictive intake air cap must be used.
Page 8 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Figure 7 - Horizontal Positive Pressure Venting with Outdoor Combustion Air Figure 8 - Horizontal Positive Pressure Venting with Outdoor Combustion Air Smith
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Figure 9 - Vertical Negative Pressure Masonry Chimney System using Outside Combustion Air (Cat. I) Figure 10 - Vertical Positive Pressure Venting using Outside Combustion Air (Cat.
Page 10 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS GENERAL VENTING GUIDELINES WARNING: The vent installation must be in accordance with Part 7, Venting of Equipment, of the National Fuel Gas Code, ANSI Z223.1/ NFPA 54-latest revision or applicable provisions of the local building codes. Canadian installations must comply with CSA B149.1 or .2 Installation Code.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Horizontal vent systems shall terminate at least 4 feet (1.3 m) below, 4 feet (1.3 m) horizontally from or 1 foot (0.23 m) above any door, window or gravity air inlet into any building. It must not terminate less than 4 feet (1.3 m) horizontally from, and in no case above or below, unless a 4 feet (1.3 m) horizontal distance is maintained, from electric meters, gas meters, regulators and relief equipment and not less than 7 feet (2.
Page 12 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS VERTICAL VENT POSITIVE PRESSURE SYSTEMS See Figure 11. The vent materials used in vertical positive pressure vent systems must be certified to UL 1738 for installations in the United States, ULS636 for installations in Canada. WARNING: If an appliance using any type of a mechanical draft system operating under positive pressure is connected to a chimney flue, never connect any other appliances to this flue.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS The vent connector should be sloped up toward the chimney 1/4" per foot. Ensure that the vent connector is properly supported and each connection securely fastened with at least 3 corrosion resistant sheet metal screws. The termination of the vent pipe must be flush with the inside of the chimney flue.
Page 14 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS COMMON VENT SYSTEMS Dans la mesure du possible, fermer toutes les portes et les fenêtres du bâtiment et toutes les portes entre l'espace où les appareils toujours raccordés du système d'évacuation sont installés et les autres espaces du bâtiment.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Tout mauvais fonctionnement du systéme d'évacution commun devrait étré corrigé de façor que l'installation soit conforme au National Fue Gas Code, ANSI Z223.1/NFPA 54 et (ou) aux codes d'installation CSA-B149. Si la grosseur d'une section du système d' évacuation doit étré modifiée, le système devrait étré modifié pour respecter les valeurs minimales des tableaux pertinents de l'appendice F du National Fuel Gas Code, ANSI Z223.
Page 16 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Ensure that the boiler is level from front to back and from side to side. Use metal shims to level the boiler. NEVER use combustible materials for shims. Bypass Piping CAUTION: Never connect this boiler directly to a large volume system, in-floor radiant system, snow melt system or any other system that would cause the steady state water temperature in the boiler to drop below 140°F.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS When a boiler is connected to a heating coil that may be exposed to refrigerated air from an air handling device, the piping system must be equipped with flow-control valves or some other automatic means of preventing gravity circulation of the boiler water during the cooling cycle. Circulators The TACO 007 circulator supplied with the boiler is sized for use in a closed heating system with a 30 psi maximum operating pressure.
Page 18 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS GAS SUPPLY PIPING The GS110 hot water boiler comes from the factory ready to be piped to the gas supply. The gas supply can be piped from the left or right side of the boiler. GS110 Section Size Connection Tapping 3 4 5 6 7 1/2" 1/2" 1/2" 3/4" 3/4" If for any reason the boiler is not for the type of gas available at the installation site, call the nearest Smith Cast Iron Boiler distributor to resolve the problem.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS installed in Canada. Install a separate 120 volt 15 amp circuit for the boiler. A properly rated shut-off switch should be located at the boiler. The boiler must be grounded in accordance with the authority having jurisdiction, or if none, the latest revision of the National Electrical Code, ANSI/NFPA-70. Line voltage field wiring of any controls or other devices must use copper conductors with a minimum size of #14 awg.
Page 20 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Figure 19A - Wiring Connection Diagram
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Figure 19B - Wiring Ladder Diagram B Page 21
Page 22 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instrucitons exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. B. BEFORE OPERATING smell all around the appliance area for gas.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 23 POUR VOTRE SÉCURITÉ LISEZ AVANT DE METTRE EN MARCHE AVERTISSEMENT. Quinconque ne respecte pas à la lettre les instructions dans la présente notice risque de déclencher un incendie ou une explosion entraînant des dommages, des blessures ou la mort. A. Cet appareil ne comporte pas de veilleuse. Il est muni d'un dispositif d'allumage qui allume automatique la brûleur. Ne tentez pas d'allumer la brûleur manuellement. B.
Page 24 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS BOILER SET UP NOTE: Before starting the boiler, turn off the electrical supply going to it. Make sure that gas is available at the gas valve inlet. Open the valves in the return and supply piping. Failure to take these precautions will prevent the boiler from operation properly. Fill the boiler and all of the radiation with water. Make sure that the system is completely purged of air.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 25 Figure 20- Air and Manifold Pressure BOILER CHECKING & ADJUSTMENT INPUT RATE Gas appliances are rated based on sea level operation with no adjustment required at elevations up to 2000 feet. At elevations above 2000 feet, input ratings should be reduced by 4% for each 1000 feet above sea level. Check the input rate as follows: PROPANE GAS: The input rate for LP units is factory set based on the orifice size.
Page 26 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Main Burner Flame A properly adjusted main burner flame will produce a tight blue flame pattern about 1/2 inch tall from the burner’s surface, Figure 21. A yellow floating or tall stringy flame is not normal and must be corrected. WARNING: Yellow, floating flames indicate a lack of combustion air.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS INSTRUCTIONS TO THE INSTALLER The INSTALLER must give this copy of the INSTALLATION AND OPERATING INSTRUCTIONS to the boiler owner and make sure that the owner or operator has a basic understanding of the following: 1. The operating instructions, the type of ignition system installed and how it operates. 2. What the labels on the boiler say. 3. How to start up and shut off the boiler. 4. How to turn the gas and electrical power on or off. 5.
Page 28 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 29 SERVICE AND REPLACEMENT PARTS LIST Ref # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Name of Part Rear, Top, Front & Inner Panels Left Jacket Side Panel Right Jacket Side Panel Gas Valve, White Rodgers 36E65 Gas Valve, White Rodgers 36D27 Blower, Fasco 702110816 Transformer, Honeywell AT140B-1016, 40 VA Ignition Control, UTC 1013-13B Pressure Switch .45 WC .49 WC .
Page 30 Ref # 29 30 31 32 33 34 35 36 37 38 N/S N/S See Fig.
GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 31
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