Course: HET 191 HVACR Heat Load

Unit 8 Outline

Unit 8 Outline
Unit 8 Outline

Selecting Heating Equipment

Objectives

After studying this week’s assignment, the HVAC learner should be able to:

- Develop an appreciation and the importance of the Manual J
- Understand the different types of issues that can effect heating loads
- Analyze the construction of a home and determine the type of heat losses
- Use charts, tables, and forms to calculate the heat loss of a home
- Locate manufacture data sheet and information sheets to choose the proper type of equipment
- Choose the type of equipment
- Determining the CFM required

Introduction

After a HVAC technician has determine the heat capacity of the structure, the technician must consider many other factors to do a suitable job for the customer. Factors such as the location, the type of fuel available, the duct layout, and the amount of air flow through the home will become vital for a complete and competent job.

Determining the Heat Loss Required
- Preforming heat loss calculations

Determining the amount of air flow
- Sizing the equipment for the proper air volume

Sizing the Heating Equipment
- Input
- Output

Equipment Location
- Effects of location

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

Vocabulary Terms

- Input capacity
- Output capacity
- Duct system