Smith Cast Iron Boilers GS110W Installation & Operation Manual
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Smith Cast Iron Boilers GS110W Installation & Operation Manual

Natural or propane gas boilers
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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.
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.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch. Do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
INSTALLER, THESE INSTRUCTIONS TO BE AFFIXED ADJACENT TO THE HEATER.
CONSUMER, RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE PURPOSES.
NOTE: Installation and service must be performed by a qualified installer, service
agency or the gas supplier.
GS110W
TO INSTALLER
260 NORTH ELM STREET WESTFIELD, MA 01085
TEL. (413) 562-9631 FAX: (413) 562-3799
GS110IOM-2

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  • Page 1 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. NOTE: READ THESE INSTRUCTIONS CAREFULLY. THEY WILL SAVE YOU TIME IN ASSEMBLING BOILER PROPERLY.

  • Page 2: Table Of Contents

    30 psi in accordance with the ASME Boiler and Pressure Vessel Code, Section IV for cast iron boilers. Each boiler has been equipped with a 30 psi pressure relief valve. This manual covers the application, installation, operation and maintenance of a GS110 low pressure hot water boiler.

  • Page 3: Boiler Ratings & Capacities

    Also ensure that the boiler has been set up for the type of gas available at the installation site. Other important considerations are the availability of an adequate electrical supply, fresh air for combustion and proximity a suitable outside wall.

  • Page 4: Combustion Air & Ventilation

    If the boiler is to be located in an alcove, closet or other confined space the distances from the boiler and it's vent system to all-combustible construction must be equal to or greater than the minimum clearances in Figure 1.
  • Page 5 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"...
  • Page 6 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.
  • Page 7 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.
  • Page 8 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...
  • Page 9 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 9 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. III)

  • Page 10: Chimney & Vent Pipe Connections

    26 Gansevoort Street, Albany, NY 12202 (518) 463-7284 GENERAL DIRECT VENT INFO In this configuration the boiler blower is used to push the flue products to the outdoors while drawing combustion air from the outdoors. The instructions under the COMBUSTION AIR & VENTILATION SECTION must be followed! The vent system must be sized per Table 3.

  • Page 11: Vertical Direct Vent Systems

    (1.5 m) of pipe. To maximize the performance of single wall sheet metal vent systems locate 90° elbows as far from the boiler as possible and from one another. If any part of a single wall metal vent system passes through an unheated space it must be insulated with insulation rated for 400°F.
  • Page 12 Each 90° elbow is equal to 5 linear feet (1.5 m) of pipe. To maximize the performance of single wall sheet metal vent systems locate 90° elbows as far from the boiler as possible and from one another. If any part of a single...
  • Page 13 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.

  • Page 14: Common Vent Systems

    If an existing boiler/water heater is removed from a common venting system, the common venting system may then be too large for the proper venting of the remaining appliances connected to it.

  • Page 15: Condensate Piping

    The GS110 hot water boiler comes from the factory ready to be piped to the heating system. Each boiler is equipped with a safety relief valve which must be piped in accordance with the ANSI/ASME Boiler and Pressure Vessel Code, Section IV, see Figure 13.
  • Page 16 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...
  • Page 17 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.

  • Page 18: Gas Supply Piping

    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. Figure 18 depicts the proper way to connect the boiler to the gas supply piping.

  • Page 19: Operational Sequence

    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.
  • Page 20 Page 20 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Figure 19A - Wiring Connection Diagram...
  • Page 21 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 21 Figure 19B - Wiring Ladder Diagram...

  • Page 22: For Your Safety Read Before Operating

    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.

  • Page 23: Pour Votre Sécurité Lisez Avant De Mettre En Marche

    GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS 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.

  • Page 24: Boiler Set Up

    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. Review these instructions and make sure that the boiler installation complies with ALL of the instructions up to this point.

  • Page 25: Boiler Checking & Adjustment

    2. Call the gas company for the gas heating value. 3. Start the boiler and let it run for 15 minutes. 4. Using the gas meter and a stopwatch, clock the time that it takes to burn 10 cubic feet of gas and divide the time by 10.

  • Page 26: Boiler Maintenance

    Every 3 to 6 months, lubricate the inducer motor using 2 drops of 20W non detergent motor oil in each oil port. Low Water Cutoff If the boiler has been equipped with a low water cut- off device, follow the manufacturer's instructions for cleaning and to confirm proper operation...

  • Page 27: Instructions To The Installer

    8. The importance of visually inspecting the vent system on a monthly basis. The INSTALLER MUST make sure that the owner knows to shut the boiler off and call for service if the following conditions occur: 1. Yellow lazy flames or flames outside the jacket.

  • Page 28: Replacement Parts

    Page 28 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 29 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS SERVICE AND REPLACEMENT PARTS LIST Ref # 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...
  • Page 30 Page 30 GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Ref # Name of Part Thermal Switch Block Assembly Jacket Bracket Frame Cross Members Flue Collector 5/16-18 X 7-1/2" Stud Flue Collector Clamp Drain Filtting PEM CLS-0428-1 Right Base Frame Assembly...

  • Page 31: Instructions To The Installer

    GS110 DIRECT VENT BOILER INSTALLATION AND OPERATION INSTRUCTIONS Page 31...
  • Page 32 260 NORTH ELM STREET WESTFIELD, MA 01085 TEL. (413) 562-9631 FAX: (413) 562-3799...

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