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hvacr gas heating esco questions and answers

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using an ohmmeter, there is 120 VAC between high speed and ground wires, this indicates - ans-open if temperature rise is too high... - ans-increase fan speed how many of the 3 OSHA conditions defining confined spaces must be met - ans-all 3 what causes the temperature limit safety switch to shut off the burner - ans-fan motor failure flashback indicates - ans-the gas is flowing slower than the speed at which burn is occurring what type of connector is used to control noise in ductwork - ans-vibration eliminators if the main burner lights and after a minute the blower fan comes on but the burner flames waver in one corner... - ans-there is faulty blower housing a burner orifice... - ans-meters gas to the burner when lockout/tagout is used - ans-there should be 1 key kept by the electrician the gas pressure is usually - ans-3.5

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April 5, 2024
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2023/2024
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Questions & answers

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  • hvacr gas heating esco questions and answers
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