Why gas heating systems are categorized by efficiency

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Reference no: EM133398807

Questions:

Explain why gas heating systems are categorized by efficiency.

Describe a gas-burning cycle.

Identify two basic gas-burning controls.

List four electrical components not found on low-efficiency systems.

List one electrical component found only on a low-efficiency system and what it is used for.

Describe what control voltage is used for.

Describe the term line voltage.

Identify the motor used for venting in the wiring diagram shown in Figure 22-34.

Identify five safety controls in the wiring diagram shown in Figure 22-35.

Describe three types of troubleshooting techniques.

What is the device shown in Figure 22-45?

Name the three numbered components in Figure 22-46.

. Wire the heating and cooling circuit in Figure 22-47. Label all components.

Use the flowcharts shown in Figure 22-32 to answer this ques-tion: If the input power is present, what is the next step?

Use the flowcharts shown in Figure 22-32 to answer this ques-tion: Five flashes are indicating a problem. There is a good gas supply. What is the problem?

Use the flowcharts shown in Figure 22-32 to answer this ques-tion: Seven flashes are indicating a problem. You measure 24 volts from the R lead on the gas valve to ground. What is the problem?

Reference no: EM133398807

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