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Weil-McLain 550-141-830/1202 manual

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Table of contents for the manual

  • Page 1

    For future r eference, leave this manual with other boiler instructions in the envelope pr ovided with the boiler. Maintenance and Service Guide Part No. 550-141-830/1202 SGO Series 3 Oil-Fired Steam Boiler[...]

  • Page 2

    2 Hazard Definitions Following ter ms are used to bring attention to the presence of hazards of various risk levels, or to important infor mation concer ning 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 person[...]

  • Page 3

    3 F or Y our Safety Tips for steam systems: Check boiler and system piping for leaks. Continual makeup water will reduce boiler life. Minerals can build up in sections, reducing heat transfer and causing cast iron to overheat, resulting in section failure. Failure to maintain recom- mended pH and to repair leaks can cause section iron corrosion, le[...]

  • Page 4

    4 Routine Maintenance Schedule The schedule belo w is specifically designed for the homeo wner . Please r ead pag es 2 and 3 bef or e pr oceeding. Beginning each heating season: Call a qualified service technician to per for m annual service. Daily during heating season: Check that boiler area is free from combusti- ble materials, gasoline and ot[...]

  • Page 5

    5 Star t-up SGO Boiler with Float-T ype Lo w W ater Cutoff (See P ag e 6 for Pr obe-T ype Lo w W ater Cutoff) Figure 1 Gauge Glass 2. Correct problems found in step #1. If bur ner does not fire, press reset button on bur ner primary control only once. Repeated presses will deposit oil in combustion chamber . Bur ner must never be fired when oil i[...]

  • Page 6

    6 2. Correct problems found in step #1. If bur ner does not fire, press reset button on bur ner primary control only once. Repeated presses will deposit oil in combustion chamber . Bur ner must never be fired when oil is in combustion chamber . Immedi- ately call qualified service technician. 3. If bur ner still does not fire, call qualified s[...]

  • Page 7

    7 The problems and corrections above repr esent common situations that can occur . There may be others not listed above. It is important always to contact a qualified service techni- cian if you have any questions about the operation of your boiler or system. COMMON PROBLEMS COMMON CAUSES POSSIBLE CORRECTIONS Rapid cycling - burner turn s on and o[...]

  • Page 8

    8 The pr ocedur es and information on pa g es 8 thr ough 11 ar e intended only f or a qualified ser vice technician who has the necessar y equipment to inspect and adjust boiler and burner . A homeo wner should nev er attempt these pr ocedur es. Qualified ser vice technician must read pa g es 2 and 3 befor e pr oceeding. Any parts of the boiler f[...]

  • Page 9

    9 Cleaning boiler fluewa ys: Make sure all electrical connec- tions to boiler are tur ned of f and wait until boiler is war m, not hot, before cleaning. Failure to do so will result in severe personal injury, death or substantial property damage. 1. T op flue boilers -remove breeching and jacket top panel. Rear flue boilers - remove jacket top p[...]

  • Page 10

    10 Fill the system: 1. Do not fill (except for lea kage tests) until boiler is ready to be fired. 2. Fill to nor mal water line as indicated on jacket front panel. 3. Boiler water pH 7.0 to 8.5 is recommended. Failure to maintain recom- mended pH can cause section failure and leaks. Skim steam boiler : Clean new steam boilers to remove any impuri[...]

  • Page 11

    11 Detailed Ser vice Pr ocedur es Contr ols r equiring annual ser vice: FLOA T -TYPE LOW W A TER CUTOFF: Follow instructions to blowdown cutof f on page 4. Also refer to instructions from cutof f manufac- turer in envelope assembly provided with boiler . PROBE -TYPE LOW W ATER CUTOFF: Cutof f must be removed and inspected and cleaned annually. Refe[...]

  • Page 12

    P art No . 550-141-830/1202[...]