Course: HET 273 - Pneumatic, Electric and DDC Automation - Spring 2015

Unit 8 Outline

Unit 8 Outline
Unit 8 Outline

Objectives

This week’s assignments will support the HVAC Learner to:This week’s assignments will support the HVAC Learner to:

- Understand the different type of transmitters
- Describe receiver controller function
- Know types of receiver controllers
- Understand auxiliary devices

Introduction

The HVAC/R technician must be able to troubleshoot, calibrate, and service many types of pneumatic transmitters. He or she must be able to service and calibrate receiver controllers. These are very complex devices that take in signals from transmitters and sends outputs to devices.

Vocabulary

- Pneumatic/Electric Switch
- Pneumatic/Electric Transducer
- Range
- Span
- Sensitivity
- Hot Deck
- Reset Control
- Reversing Relay
- Pilot Positioner

Summary

In the HVAC/R industry, there are many types of controls, switches, boosters, controllers, and transducer that the HVAC/R technician must understand
He or she must be able to operate, adjust, calibrate, and troubleshoot these in order for a system to run as efficiently and accurately as designed