Author Question: Where is the line duty device commonly located? What will be an ideal ... (Read 41 times)

lilldybug07 · **on:** Jul 26, 2018

Where is the line duty device commonly located?

What will be an ideal response?

Question 2

List operational checks to make during an air conditioning planned maintenance service call.

What will be an ideal response?

durant1234 · **Reply #1 on:** Jul 26, 2018

Answer to Question 1

A line duty device senses current and/or temperature in the motor winding. The line duty arrangement is commonly found on compressor motors used for domestic service.

Answer to Question 2

Check for voltage drop in power wire, voltage drop across contactor contacts, amp draw, airflow, system pressures, superheat, subcooling, temp drop across evaporator coil.