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SGO Series 3 Oil-Fired Steam Boiler
Maintenance
and Service
Guide
For future reference, leave this manual
with other boiler instructions
in the envelope provided with the boiler.
Part No. 550-141-830/1202
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Read This Page First Hazard Definitions 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 pers
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For Your Safety Tips for steam systems: Follow instructions below to Check boiler and system piping for leaks. prevent severe personal injury, death or substan- ● Continual makeup water will reduce boiler life. tial property damage: ● Minerals can build up in sections, reducing Do not use crankcase drainings or any oil heat transfer and causing cast iron to overheat, containing gasoline. See burner manual for resulting in section failure. proper fuel oil. ● Do not attemp
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Routine Maintenance Schedule The schedule below is specifically designed for the homeowner. Please read pages 2 and 3 before proceeding. Beginning each heating season: Periodically during heating season: Call a qualified service technician to perform Probe-type low water cutoff, when used: annual service. Refer to control manufacturer's instructions for testing. Daily during heating season: End of heating season: Check that boiler area is free from combusti- If tankless heater i
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n n n n n Start-up 2. Correct problems found in step #1. If burner does not fire, press reset button on burner SGO with float-type low water cutoff: primary control only once. Repeated presses will deposit oil in combustion chamber. 1. If burner does not fire, check for: Switch on boiler or additional shut-off ● Burner must never be fired switches turned off. when oil is in combustion chamber. Immedi- Fuses or breaker switch tripped. ● ately call qualified serv
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n n n n n n Start-up 2. Correct problems found in step #1. If burner does not fire, press reset button on burner SGO with probe-type low water cutoff: primary control only once. Repeated presses will deposit oil in combustion chamber. 1. If burner does not fire, check for: Service switch on boiler or additional ● Burner must never be fired switches turned off. when oil is in combustion chamber. Immedi- Fuses or breaker switch tripped. ● ately call qualified se
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COMMON PROBLEMS COMMON CAUSES POSSIBLE CORRECTIONS Rapid cycling - burner turns Thermostat installed where drafts or Locate thermostat on inner wall away from on and off frequently. heat affect reading. heat sources or cool drafts. Heat anticipator in thermostat Adjust heat anticipator to match current adjusted incorrectly. draw. Refer to boiler wiring diagram. Incorrect limit setting. Have qualified service technician increase limit setting to decrease cycling. Normal operation is usually less
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Annual Service Check List The procedures and information on pages 8 through 11 are intended only for a qualified service technician who has the necessary equipment to inspect and adjust boiler and burner. A homeowner should never attempt these procedures. Qualified service technician must read pages 2 and 3 before proceeding. D D D D D D D D D D A A A A A A A A A A Annual Service Call Check List T T T T T T T T T T (follow in order listed below) Comments E E E E E E E E E E 1 Check that b
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Detailed Service Procedures Cleaning boiler flueways: Make sure all electrical connec- 7. Once the flueways are cleaned, carefully tions to boiler are turned off and wait until boiler remove the paper from the floor of the is warm, not hot, before cleaning. Failure to do so combustion chamber. will result in severe personal injury, death or 8. Verify sealing rope around flue area is intact. substantial property damage. Visually check condition and position of insulation in combust
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Detailed Service Procedures Fill the system: To place in operation: 1. Do not fill (except for leakage tests) until boiler is ready to be fired. Follow information below to prevent 2. Fill to normal water line as indicated on jacket severe personal injury, death or substantial prop- front panel. erty damage: ● 3. Boiler water pH 7.0 to 8.5 is recommended. Do not use crankcase drainings or any oil containing gasoline. See burner manual for Failure to maintain recom- prop
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Detailed Service Procedures Controls requiring annual service: FLOAT-TYPE LOW WATER CUTOFF: GAUGE GLASS: Follow instructions to blowdown cutoff on page 4. To clean glass: Also refer to instructions from cutoff manufac- 1. Close lower gauge glass cock and carefully turer in envelope assembly provided with boiler. open petcock below glass to blow water and sediment out of glass by steam pressure. 2. Slowly open lower gauge glass cock and allow PROBE-TYPE LOW WATER CUTOFF: a small amount o
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Part No. 550-141-830/1202
