Course: HET 119 HVACR Electricity II

Unit 3 Outline

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Unit 3 Outline

1.     Series Circuit
- What is a Series Circuit
- What are the Rules to a Parallel Circuit
- Calculating Voltage, Resistance, and Current in a Series Circuit

2.     Parallel Circuit
- What type of circuit is a Parallel Circuit
- What are the Rules to a Parallel Circuit
- Calculating Voltage, Resistance, and Current in a Parallel Circuit

3.     Combination Circuit
- What type of circuit is a Series/Parallel Circuit
- What are the Rules to a Series/Parallel Circuit
- Calculating Voltage, Resistance, and Current in a Series/Parallel Circuit

4.     Summary
- The rules to figure out the voltage, resistance, and current for a series and parallel circuits are different and a technician needs to learn the differences.
- There are three different types of electrical circuits.
- Loads in an electrical control system will always be in parallel of each other.
- Switches will always be in series of the load in electrical systems.
- Because of the switches being in series of the load and the loads being in parallel of each other, this is what make HVAC/R circuits combination circuits (series/parallel circuits)

Review the vocabulary terms listed below and look up their definitions / descriptions before taking the Vocabulary Quiz.

Vocabulary

Parallel circuit

Series circuit

Open circuit

Closed circuit

Combination circuit

Loads

Switches