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.
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.
For Your Safety Follow instructions below to prevent severe personal injury, death or substantial property damage: ● Do not use crankcase drainings or any oil containing gasoline. See burner manual for proper fuel oil. ● Do not attempt to start burner when excess oil has accumulated in combustion chamber, when unit is full of vapor, or when combus tion chamber is very hot. ● Do not start burner unless collector hood, flue cap, jacket cap, breeching and burner mounting door are secured in place.
Routine Maintenance Schedule The schedule below is specifically designed for the homeowner. Please read pages 2 and 3 before proceeding. Periodically during heating season: Beginning each heating season: Probe-type low water cutoff, when used: Call a qualified service technician to perform Refer to control manufacturer's instructions for testing. annual service.
Start-up 2. Correct problems found in step #1. If burner does not fire, press reset button on burner primary control only once. Repeated presses will deposit oil in combustion chamber. Burner must never be fired when oil is in combustion chamber. Immediately call qualified service technician. SGO with float-type low water cutoff: 1. If burner does not fire, check for: ● Switch on boiler or additional shut-off switches turned off. ● Fuses or breaker switch tripped.
Start-up 2. Correct problems found in step #1. If burner does not fire, press reset button on burner primary control only once. Repeated presses will deposit oil in combustion chamber. Burner must never be fired when oil is in combustion chamber. Immediately call qualified service technician. SGO with probe-type low water cutoff: 1. If burner does not fire, check for: ● Service switch on boiler or additional switches turned off. ● Fuses or breaker switch tripped.
COMMON PROBLEMS Rapid cycling - burner turns on and off frequently. COMMON CAUSES Thermostat installed where drafts or heat affect reading. POSSIBLE CORRECTIONS Locate thermostat on inner wall away from heat sources or cool drafts. Heat anticipator in thermostat adjusted incorrectly. Adjust heat anticipator to match current draw. Refer to boiler wiring diagram. Incorrect limit setting. Have qualified service technician increase limit setting to decrease cycling.
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. Annual Service Call Check List (follow in order listed below) 1 Check that boiler area is free from combustible materials, gasoline and other flammable vapors and liquids.
Detailed Service Procedures Cleaning boiler flueways: Make sure all electrical connections to boiler are turned off and wait until boiler is warm, not hot, before cleaning. Failure to do so will result in severe personal injury, death or substantial property damage. 1. Top flue boilers -remove breeching and jacket top panel. Rear flue boilers - remove jacket top panel. 2. Remove flue collector hood, saving hardware for reassembly. 3. Shut off oil valves.
Detailed Service Procedures Fill the system: 1. Do not fill (except for leakage tests) until boiler is ready to be fired. 2. Fill to normal water line as indicated on jacket front panel. 3. Boiler water pH 7.0 to 8.5 is recommended. Failure to maintain recommended pH can cause section failure and leaks. Skim steam boiler: Clean new steam boilers to remove any impurities.
Detailed Service Procedures Controls requiring annual service: FLOAT-TYPE LOW WATER CUTOFF: Follow instructions to blowdown cutoff on page 4. Also refer to instructions from cutoff manufacturer in envelope assembly provided with boiler. PROBE-TYPE LOW WATER CUTOFF: Cutoff must be removed and inspected and cleaned annually. Refer to cutoff manufacturer's instructions in envelope assembly provided with boiler. STEAM RELIEF VALVE: Check operation of steam relief valve.
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