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Erstellt von Andrew Adams
vor mehr als 5 Jahre
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Frage | Antworten |
components to inspect(gas) | meter; gas lines and shut off combustion air flame shield burners ignition flame pattern draft hood or diverter operation |
steps of inspection (gas furnace) | turn off using safety switch remove flame shield examine burner heads turn on using safety switch operate using thermostat observe flame patterns reassemble |
oil furnace components | incoming fill pipe oil tank copper supply line manual shut off filter return line(if present) exiting vent pipe |
gun-type | oil burner atomizes by pump and nozzle; common/modern |
pot-type | oil burner that uses gravity to feed oil; vaporized by heating and burning emitted vapors(old type, rare) |
rotary-type | gravity fed; spins oil off rotary disc to atomize |
gun-type oil burner components | primary control burner motor fan fuel pump ignition transformer blast tube |
flame retention burner | has a flame retention ring combustion head that provides increase air pressure for more efficient combustion |
steps of inspection(oil furnace) | turn off safety switch open porthole and inspect chamber lining close porthole and turn on safety switch observe ignition observe flames examine front of unit for soot... listen to burner |
don't ever miss list | heat source in each room burner issues gas or oil leaks holes visible in heat exchanger missing filters upgrade/problem furnaces clearances draft hood spillage improper venting |
ways to determine age of furnace | ANSI years plus 4(approximate) tagged date of manufacture Carson Dunlop tech guide for serial number |
heating system safety hazards | damaged heat exchanger evidence of CO(detector used) vent system not working properly improper clearance gas/oil leaks open return from basement air blocked flue |
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