What two methods are used to control the indoor fan a

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56-16) What two methods are used to control the indoor fan?
56-17) According to Table 45.1, what are some causes of a short cycling indoor blower?
56-18) Provide a list of preliminary checks when troubleshooting oil furnaces.
56-19) What unique problems can arise in oil furnaces because oil is a liquid fuel?
56-20) What two manual resets do all oil burners have?
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UNIT 57 REVIEW QUESTIONS ANSWER KEY 57-1) What is a restriction to be considered when installing a gas room heater?
57-2) What safety device should be installed where unvented space heaters are being used?
57-3) How does a vented room gas heater differ from an unvented room gas heater?
57-4) What is a “Salamander”?
57-5) What type of gas space heater has no flame?
57-6) What is meant by a “direct vent” heater?
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