Title: (Optional) Replace a starting relay.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration I (17056-I) > Section: Understanding Motors and Controls

Replacement should include

- testing the voltage and amperage on the device
- keeping the relay cover in place
- disconnecting power supply
- labeling each wire as it is disconnected
- mounting the thermostat to a solid surface.

Process/Skill Questions:

- Which device is connected to the winding of the start relay?
- What are the types of start relays?
- When should start relays be replaced?
- What is the purpose of a starting relay in an HVACR system?
- How can you identify the type of starting relay (e.g., potential, current, solid-state) used in the system?
- What are common signs that a starting relay is faulty or has failed?