Course: HET 111 HVACR Electricity I - Spring 2015

Lab Assignment

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Unit 8 Lab Assignment

HET 111 Transformers Lab

OBJECTIVE: Upon completion of this exercise, you will have a better understanding of the role transformers play an HVAC unit.

INTRODUCTION: You should carefully review lecture notes and PowerPoint for transformers. This will give you a good background for most of the procedures in this exercise. Email your instructor about anything of which you are unsure.

TOOLS AND MATERIALS: You will need an A/C meter, a box of transformers, your notes, and this lab sheet to complete the exercise.

SAFETY PRECAUTIONS: Always ware safety glasses when working in the lab or out in the field

PROCEDURES:

- Ask your instructor for a box of transformers and a V-O-M

- Set the V-O-M to ohms and check each transformers to opens or shorts

- Have your instructor inspect observe your work

- Next, hook-up the transformers to a power supply

- Have your instructor inspect observe your work

- Next, set the V-O-M to voltage and record the reading from the primary and secondary of each transformer

- Repeat the lab on all the transfromers in the box

- Clean up your work area and return the tools, V-O-M, and box of transformers to their proper location

Click on the file below to download the Lab Assignment
- Transformers Lab.docx (21.06 KB)