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SGO SERIES 3 OIL-FIRED NATURAL DRAFT STEAM 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. 550-141-829/1201
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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 Packaged Boiler . . . . . . . . . . . . . . . . . . . . . . .6-7 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, combustible material. CSA B139, Installation Code for Oil-Burning Equipment. • Minimum clearances from vent pipe to — CSA C22.1 Canadian E
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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 Adequate combustion and requirements for any equipment that can pull ventilation air: air from room (including clothes dryer • Assures proper combustion. and fireplace). • Reduces risk of severe personal injury or death • Where ducts are used, they should have same from possible f
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Install Packaged Boiler Place boiler: Tankless heater, if used: 1. Remove boiler from pallet. 1. Remove tankless heater knockout in left side of jacket panel and, for SGO-6 only, tankless Do not drop boiler or bump heater control knockout. jacket on floor or pallet. 2. Remove tankless heater cover plate and gasket. Damage to boiler can result. 3. Install new gasket and tankless heater over 3 studs around opening. Secure with /8" nuts. Smaller sized boilers may be 4. Install tankless heater opera
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Install Packaged Boiler CONTINUED Change From Back Flue Outlet to Top Flue Outlet (Optional) FIGURE 2 Install Non-Packaged Boiler Precautionary measures: Fiberglass wool and ceramic fiber materials: • Avoid breathing fiberglass dust and contact with skin and eyes. • POSSIBLE CANCER HAZARD • Use NIOSH approved dust/mist respirator. BY INHALATION • Wear long-sleeved, loose fitting clothing, gloves • CAN CAUSE RESPIRATORY, and eye protection. SKIN AND EYE IRRITATION • Wash work clothes separately
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Install Non-Packaged Boiler CONTINUED h. With wrench at washer/nut end, uniformly Place boiler: tighten nuts starting with 5½" rod at large port, 1. Non-Packaged SGO-3 through 6 — position on site. 5½" rod at small port, bottom long rod and finally top long rod. Smaller sized boilers may be i. Torque on both 5½" rods and bottom long top heavy. Use caution when rod should be 50-60 ft. lbs; long top rod handling to avoid minor personal injury or should be 20-25 ft. lbs. Do not property damage.
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Install Non-Packaged Boiler CONTINUED
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Install Packaged and Non-Packaged Boiler 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 P-SGO and A-SGO boiler: 1. Secure universal mounting flange and gasket to burner mounting door. Use three bolts provided. 2. Secure burner on flange with three bolts. 3. Position burner so end of air tube is level to 1½° tilt down to
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Install Packaged and Non-Packaged Boiler
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Connect Breeching General chimney requirements: MINIMUM CHIMNEY SIZE TABLE • Designed for natural draft firing. Connect MINIMUM *** boiler to vertical chimney. I=B=R BOILER MINIMUM MINIMUM CHIMNEY SIZE MODEL BREECHING CHIMNEY Insufficient draft can cause flue NUMBER DIAMETER RECT. ROUND HEIGHT gas leakage and carbon monoxide emissions, which will lead to severe SGO-3 5" 8" x 8" 6" 15' personal injury or death. SGO-4 6" * • Use vent material approved by local codes for SGO-5 6" 8" x 8" 7" 15' oil
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Connect Breeching CONTINUED Back Outlet Breeching Connection FIGURE 7 Top Outlet Breeching Connection FIGURE 8 13
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Connect Steam Piping 3. Float-type low water cutoff only — install General piping information: blowdown line in bottom of cutoff. See • Hartford Loop piping arrangement and wet FIGURE 9 or 10 and also refer to low water return are required for steam boilers. cutoff manufacturer’s instructions for details. • Maintain 24-inch minimum from waterline to 7 bottom of header (minimum 50 /8" from floor Pipe blowdown line near floor or top of foundation). close to floor drain to eliminate • When using co
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Connect Steam Piping CONTINUED
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Connect Steam Piping CONTINUED
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Connect Steam Piping CONTINUED To size and install reservoir piping, see FIGURE 11 Optional reservoir piping: and Bulletin AE-8403 (available through your Modern steam boilers are designed to steam for Weil-McLain distributor or sales office): less time than older, larger boilers. When replacing an older steam boiler, the system condensate 1. Pipe boiler as shown on pages 14 through 16. return time may be longer than the steaming time. 2. Use 8" diameter reservoir pipe. This can cause the follow
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Connect Tankless Heater Piping Hot Water Can Scald! To pipe tankless heater: 1. Size piping no smaller than tankless heater • Consumer Product Safety Commission and inlet and outlet. some states recommend domestic hot water 2. Following controls (furnished by others) must temperature of 130°F or less. be installed: • When installing an automatic mixing valve, a. Automatic mixing valve. See FIGURE 12. selection and installation must comply with valve manufacturer’s recommendations (Read at left.)
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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 • “P” boilers have harnesses furnished. power source, including service switch on boiler, is • “A” boilers are furnished with burner and limit not disconnected before installing or servicing. harnesses. • All field-provided high voltage wiring must be • Installations must follow these code
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Connect Wiring CONTINUED 20
