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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 injury or property
damage if ignored.

Indicates special instructions on installation, operation, or maintenance that are
important but not related to personal injury hazards.

Symbol Definitions

The following symbols are used to indicate sequence of installation for:

Factory-assembled packaged boiler—block, jacket and controls. Sizes 3
through 6 only.

Factory-assembled block, no burner. Sizes 3 through 6 with jacket installed; steam trim controls
shipped separately. Sizes 7 through 9 with jacket and steam trim controls shipped separately.

When Calling or Writing About the Boiler

Please have boiler model number and series from boiler rating label and CP number(s) from boiler jacket,
burner and controls. On page 26 of this manual is space to list CP number(s).

Read This Page First

Содержание 550-141-829/1201

Страница 1: ...ave 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 SGO SERIES 3 OIL FIRED NATURAL DRAFT STEAM BOILER This Manual Includes Installation Start Up Boiler Parts ...

Страница 2: ...pecial instructions on installation operation or maintenance that are important but not related to personal injury hazards Symbol Definitions The following symbols are used to indicate sequence of installation for Factory assembled packaged boiler block jacket and controls Sizes 3 through 6 only Factory assembled block no burner Sizes 3 through 6 with jacket installed steam trim controls shipped s...

Страница 3: ...ntents 3 Before Installing Boiler 4 5 Install Packaged Boiler 6 7 Install Non Packaged Boiler 7 11 Connect Breeching 12 13 Connect Steam Piping 14 17 Connect Tankless Heater Piping 18 Connect Wiring 19 23 Connect Oil Piping 24 Start Up 25 Check Out Procedure 26 Installation and Service Certificate 26 Appendix 27 Parts List 28 Parts Drawing 29 Dimensions 30 31 Ratings Back Cover Table of Contents ...

Страница 4: ...combustible materials gasoline and other flammable liquids Failure to keep boiler area clear and free of combustible materials gasoline and other flammable liquids and vapors can result in severe personal injury death or substantial property damage Provide clearances around boiler see FIGURE 1 Jacket cap must be in place on boiler to avoid requiring an 18 minimum clearance from back or top of boil...

Страница 5: ...n outside air is used connect each opening directly or by ducts to the outdoors or to crawl or attic space that freely connects with outdoors Size per below Through outside wall or vertical ducts at least 35 sq in per 1 GPH input 1 sq in per 4000 Btu input of all fuel burning appliances plus requirements for any equipment that can pull air from room including clothes dryer and fireplace Through ho...

Страница 6: ...eater knockout in left side of jacket panel and for SGO 6 only tankless heater control knockout 2 Remove tankless heater cover plate and gasket 3 Install new gasket and tankless heater over studs around opening Secure with 3 8 nuts 4 Install tankless heater operating control where shown on page 18 If not furnished use operating control with maximum 10 F differential Perform hydrostatic pressure te...

Страница 7: ...owing precautions be taken when handling these materials Precautionary measures Avoid breathing fiberglass dust and contact with skin and eyes Use NIOSH approved dust mist respirator Wear long sleeved loose fitting clothing gloves and eye protection Wash work clothes separately from other clothing Rinse washer thoroughly Operations such as sawing blowing tearout and spraying may generate airborne ...

Страница 8: ...small port bottom long rod and finally top long rod i Torque on both 5 rods and bottom long rod should be 50 60 ft lbs long top rod should be 20 25 ft lbs Do not back off nuts j Metal to metal contact should be made around port openings If gap does exist it should be less than 020 Check with feeler gauge k If gap around port openings exceeds 020 check for dirt on port openings sockets or misaligne...

Страница 9: ...Install Non Packaged Boiler CONTINUED ...

Страница 10: ...ting 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 1 tilt down toward chamber Open door to verify burner position End of air tube should be flush to recessed from inside wall of burner door refractory Check for secure placement of insulation on target wall chamber floor and burner mount...

Страница 11: ...Install Packaged and Non Packaged Boiler ...

Страница 12: ...ng Long horizontal breechings excessive number of tees and elbows or other obstructions restricting combustion gas flow can result in possibility of condensation flue gas leakage and carbon monoxide emissions which can lead to severe personal injury or death 1 Install 2 flue pipe brackets 2 Connect full sized breeching when possible See Minimum Chimney Size Table Back outlet see FIGURE 7 Top outle...

Страница 13: ...Top Outlet Breeching Connection FIGURE 8 Connect Breeching CONTINUED Back Outlet Breeching Connection FIGURE 7 13 ...

Страница 14: ...g attached to relief valve for manufacturer s instructions Pipe relief valve discharge line near floor close to floor drain to eliminate potential of severe burns Do not pipe to any area where freezing could occur Do not plug valve or place any obstruction in discharge line 3 Float type low water cutoff only install blowdown line in bottom of cutoff See FIGURE 9 or 10 and also refer to low water c...

Страница 15: ...Connect Steam Piping CONTINUED ...

Страница 16: ...Connect Steam Piping CONTINUED ...

Страница 17: ... sales office 1 Pipe boiler as shown on pages 14 through 16 2 Use 8 diameter reservoir pipe 3 Locate centerline of reservoir pipe 1 below 267 8 boiler waterline Connect Steam Piping CONTINUED CONDENSATE RECEIVER CAPACITY TABLE MINIMUM CONDENSATE RECEIVER CAPACITY GAL RECOMMENDED I B R GROSS CONDENSATE OUTPUT GALLONS 15 MIN 30 MIN 45 MIN 60 MIN FEED PUMPING RATE BOILER LBS STEAM CONDENSATE BOILER B...

Страница 18: ...r distribution systems if certain minimum water temperatures are not maintained Contact local health department for more information To pipe tankless heater 1 Size piping no smaller than tankless heater inlet and outlet 2 Following controls furnished by others must be installed a Automatic mixing valve See FIGURE 12 Read at left b Flow regulating valve Size according to intermittent draw of tankle...

Страница 19: ...unction box houses electrical connections for all boiler components P boilers have harnesses furnished A boilers are furnished with burner and limit harnesses All field provided high voltage wiring must be sheathed in flexible metal conduit Connect incoming line voltage HOT wire to service switch and neutral wire to white wire Field install equipment ground wire to green wire with wire nut Service...

Страница 20: ...20 Connect Wiring CONTINUED ...

Страница 21: ...essure Control Wiring Harness 2 Tankless Heater Control Wiring 3 Burner Disconnect Plug 4 Burner Wiring Harness 5 Low Water Cutoff Wiring Harness not furnished on A Boilers Boiler Wiring for Float Type LWCO FIGURE 13 Connect Wiring 21 ...

Страница 22: ...22 Connect Wiring CONTINUED ...

Страница 23: ...essure Control Wiring Harness 2 Tankless Heater Control Wiring 3 Burner Disconnect Plug 4 Burner Wiring Harness 5 Low Water Cutoff Wiring Harness not furnished on A Boilers 23 Connect Wiring Boiler Wiring for Probe Type LWCO FIGURE 14 ...

Страница 24: ...ns with swing joints or copper tubing to prevent breaking in case the tank settles Make swing joints so they will tighten as tank settles Non hardening pipe joint compounds should be used on all threads Do not use Teflon tape as an oil pipe sealant It can cause valves to fail creating hazards Do not use compression fittings only flare fittings Underground pipe must be run in a casing to prevent oi...

Страница 25: ...osts on strainers traps or vents Skim boiler only Do not clean old piping or leaks can occur Do not use petroleum based compounds in boiler system Damage to system components can result causing property damage 1 Provide 1 skim piping from skim tapping to floor drain Add a tee in piping to observe skim water level Raise waterline to midpoint of skim tapping 2 Fire burner to maintain water temperatu...

Страница 26: ...quipment 8 Test pressure control While burner is operating move indicator on limit control below actual boiler steam pressure Burner should go off Raise setting on pressure control above steam pressure and burner should re ignite 9 Test low water cutoff s Follow control manufacturer s instructions for testing procedures Make sure burner goes off when control responds to low water condition Burner ...

Страница 27: ... Using combustion test equipment adjust burner for a CO2 between 11 and 12 and 0 smoke b 0 01 to 0 02 W C draft in combustion chamber To connect SGO boilers to indirect fired water heaters Install and wire per water heater manual provided with water heater If boiler already has a tankless heater installed Remove tankless heater and install cover plate OR Leave tankless heater installed Drain coil ...

Страница 28: ...s must be purchased through Weil McLain for the specific boiler as indicated in the list below Results from using modified or other manufactured parts will not be covered by warranty and may damage boiler or impair operation ...

Страница 29: ...Parts Drawing ...

Страница 30: ... SGO 6 19 231 2 261 4 SGO 7 221 8 261 8 293 8 SGO 8 251 4 291 4 321 2 SGO 9 283 8 323 8 355 8 DIMENSIONS mm BOILER MODEL NUMBER A B L SGO 3 342 9 428 7 SGO 4 422 1 508 0 SGO 5 504 9 587 2 SGO 6 482 6 584 2 666 7 SGO 7 561 8 663 4 746 2 SGO 8 641 4 742 9 825 5 SGO 9 720 9 822 4 904 7 Dimensions ...

Страница 31: ...Dimensions CONTINUED ...

Страница 32: ......

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