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SGO-W SERIES 3 OIL-FIRED NATURAL DRAFT WATER BOILER
This Manual
Includes:
Installation
Start-Up
Boiler Parts
Installer: • Make sure this is the correct manual for the boiler. Verify boiler model on
rating label.
• Leave all documentation received with boiler and burner with unit for
future reference.
User: Boiler and burner must be installed and serviced by qualified service technician.
Part No. 550-141-827/1201
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Read This Page First Hazard Definitions The following terms are used to bring attention to the presence of hazards of various risk levels or to important information concerning product life. Indicates presence of hazards that will cause severe personal injury, death or substantial property damage if ignored. Indicates presence of hazards that can cause severe personal injury, death or substantial property damage if ignored. Indicates presence of hazards that will or can cause minor personal inju
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Table of Contents Read all instructions before installing. Failure to follow all instructions in proper order can cause severe personal injury, death or substantial property damage. Read This Page First . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Before Installing Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5 Install Non-Packaged Boiler . . . . . . . . . . . . . . . . . . . . . .
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Before Installing Boiler Installations must comply with: Provide clearances around boiler • U.S. (see FIGURE 1): — State and local plumbing, heating and electrical codes. Jacket cap must be in place on — National codes where applicable. boiler to avoid requiring an 18" • Canada minimum clearance from back or top of boiler to — Canadian Standards Association, CSA B139, combustible material. Installation Code for Oil-Burning Equipment. — CSA C22.1 Canadian Electrical Code Part One. • Minimum cl
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Before Installing Boiler CONTINUED • Through horizontal ducts — at least 70 sq. in. per Provide air for combustion and ventilation: 1 GPH boiler input (1 sq. in. per 2000 Btu input) of all fuel-burning appliances plus requirements for Adequate combustion and any equipment that can pull air from room ventilation air: (including clothes dryer and fireplace). • Assures proper combustion. • Where ducts are used, they should have same • Reduces risk of severe personal injury or death cross-sectional
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Install Non-Packaged Boiler 3) Loosen two screws on back flue outlet. Set Fiberglass wool and ceramic fiber materials: flue cap on outlet. Install strap by engaging slots in screws. Tighten screws. • POSSIBLE CANCER HAZARD Make sure cap is securely installed. BY INHALATION • CAN CAUSE RESPIRATORY, 2. A-SGO-7, 8 & 9W— split the assembled block SKIN AND EYE IRRITATION for easier handling (see FIGURE 2): This product contains fiberglass wool and ceramic a. Open burner mounting door and, fiber
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Install Non-Packaged Boiler CONTINUED 3. A-SGO-7, 8 & 9W — install flue collector hood Tankless heater, if used: (see FIGURE 2): 1. SGO-3 through 6W — remove knockout in left side jacket panel. Obtain gas-tight seal to prevent 2. Remove tankless heater cover plate and gasket. possible flue gas leakage and 3. Install new gasket and tankless heater over 3 carbon monoxide emissions, leading to severe studs around opening. Secure with /8" nuts. personal injury or death. Perform hydrostatic pressure
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Install Non-Packaged Boiler CONTINUED Install jacket (sizes 7 through 9 only): CONTROL TAPPING TABLE Before installing jacket, remove burner mounting door. See jacket instructions for details. TAPPING SIZE FUNCTION A1 1½" Supply Piping Install boiler controls: See Control Tapping Table and FIGURES 3 and 4 A2 2½" Air Vent or Expansion Tank Piping to install controls. A3 2½" Plugged 1. Install tankless heater control if tankless heater is used. If not furnished, use operating B1 1½" Return Piping
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Install Non-Packaged Boiler CONTINUED Install burner (also refer to instructions packed with burner): Burners designed for use with Weil-McLain 68 boilers must not be used on GOLD Oil boilers. Contact individual burner manufacturers for GOLD Oil applications. For A-SGO-W boiler: position. End of air tube should be flush to ¼" 1. Secure universal mounting flange and gasket to recessed from inside wall of burner door burner mounting door. Use three bolts provided. refractory. Check for secure plac
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Connect Breeching General chimney requirements: MINIMUM CHIMNEY SIZE TABLE • Designed for natural draft firing. Connect boiler to vertical chimney. *** MINIMUM BOILER MINIMUM I=B=R MINIMUM Insufficient draft can cause flue MODEL BREECHING CHIMNEY SIZE CHIMNEY gas leakage and carbon NUMBER DIAMETER HEIGHT RECT. ROUND monoxide emissions, which will lead to severe personal injury or death. SGO-3W 5" 8" x 8" 6" 15' * SGO-4W 6" • Use vent material approved by local codes for oil-fired burners.
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Connect Breeching CONTINUED Typical Location for Barometric Control (Also see Control Manufacturer’s Instructions) Flue Pipe Bracket (One on Each Side of Pipe) Back Outlet Breeching Connection FIGURE 5 Typical Location for Barometric Control (Also see Control Manufacturer’s Instructions) Flue Pipe Bracket (One on Each Side of Pipe) Top Outlet Breeching Connection FIGURE 6 11
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Connect Water Piping General piping information: DIAPHRAGM expansion tank (FIGURE 7): • If installation is to comply with ASME or • Make sure expansion tank size will handle boiler Canadian requirements, an additional high and system water volume and temperature. Tank temperature limit is needed. Install control in must be located near boiler before inlet to circulator. supply piping between boiler and isolation valve. See tank manufacturer’s instructions for details. Set control to a minimum o
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Connect Water Piping CONTINUED Isolation Valve Automatic Air Vent Cold Water Fill Alternate Location To Diaphragm Relief Valve Expansion Tank and Fittings Isolation Valve Pump From System Isolation Valve To Diaphragm Expansion Tank and Fittings Piping with DIAPHRAGM Expansion Tank FIGURE 7 Closed Type Expansion Tank Cold Water Fill To Relief Valve System Isolation Valve Pump From System Isolation Valve Piping with CLOSED Expansion Tank FIGURE 8 13
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Connect Water Piping CONTINUED Piping MULTIPLE ZONES: 1. Follow instructions on page 12 and 13 to install piping near boiler. 2. See FIGURE 9 or 10 to complete installation 3. Zoning with circulators: a. Size each circulator to individual circuit requirements. b. Remove circulator (when furnished as standard equipment). c. Install balancing valves to adjust flow to distribute heat to all zones. d. Separate relay is required for each circulator. 4. Zoning with zone valves: a. Install balancing va
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Connect Water Piping CONTINUED Recommended piping for systems requiring temperatures below 140°F: In most systems, this type of piping is not required. If system water temperature requirements are less than 140°F, such as radiant panels or converted gravity systems, use piping as shown in FIGURE 11 or 12. If system piping is plastic without an oxygen barrier, a heat exchanger must be used. Legend: 1 Isolation valve 2 Flow control valve 3 Circulator 4 System temperature gauge 5 Zone valve 6 Drain
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Connect Water Piping CONTINUED Use with refrigeration systems: • Install boiler so that chilled medium is piped in Supply parallel with heating boiler. Use appropriate valves Exp. Tank 1 1 to prevent chilled medium from entering boiler. Consult I=B=R Installation and Piping Guides. Circ. • If boiler is connected to heating coils located in air handling units where they can be exposed to refrigerated air, use flow control valves or Chiller other automatic means to prevent gravity Circ. circulatio
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Connect Tankless Heater Piping CONTINUED Studies have indicated that TANKLESS HEATER RATINGS TABLE dangerous bacteria can form in potable water distribution system if certain minimum BOILER INTERMITTENT INLET water temperatures are not maintained. Contact local MODEL HEATER DRAW RATINGS AND OUTLET health department for more information. NUMBER NUMBER (GPM)* TAPPING SIZES To pipe tankless heater: SGO-3W 35-S-29 3.50 ¾" 1. Size piping no smaller than tankless heater SGO-4W 35-S-29 3.75 ¾" inlet
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Connect Wiring General wiring requirements: Junction box (furnished): • Junction box houses electrical connections for Electric shock hazard. Can cause all boiler components. severe personal injury or death if • “A” boilers are furnished with burner and limit power source, including service switch on boiler, is harnesses. not disconnected before installing or servicing. • All field-provided high voltage wiring must be sheathed in flexible metal conduit. • Installations must follow these codes: •
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Connect Wiring CONTINUED 19
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Connect Oil Piping Do not use Teflon tape as an General oil piping requirements: oil pipe sealant. It can cause • Location and installation of oil tanks, oil piping valves to fail, creating hazards. Do not use and burners must follow: compression fittings. — NFPA 31, Standard for the Installation of Oil-Burning Equipment. • Underground pipe must be run in a casing to — In Canada, CSA B139, Installation of prevent oil leaking into ground or under floor. Oil-Burning Equipment. Check local codes
