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21 

Monday, March 21, 2016

3:15 p.m. - 4:45 p.m.

CEU Value 0.2

How Indoor Blower Motor Technology Has Changed Airflow Diagnostics

Christopher Mohalley, Regal Beloit

Location:

Classroom 3

The knowledge level required to understand how airflow is affected by Total External Static Pressure (TESP)

has increased with the evolution of indoor blower motors. Today's HVAC systems are predominantly built

with three different types of direct drive motors: Permanent Split Capacitor (PSC) induction motors, Constant

Torque Electronically Commutated Motors (ECM) and Constant Airflow ECM. Each of these motors reacts

differently to changes in TESP. This session will cover the operating characteristics of each type of motor

related to airflow, energy savings, and application. Attendees will gain the knowledge necessary to teach

Electronically Commutated Motor (ECM) operation and diagnostics related to Total External Static Pressure

(TESP) including how TESP affects system efficiency and motor longevity.

Optimizing HVACR Industry Support in Local Educational Programs

Dave Negrey

Location:

Classroom 4

Dave Negrey has over 40 years of experience with Johnson Controls and affiliated brands. He will share his

knowledge of the best practices for getting local involvement and factory brand distribution support in

HVACR educational programs. This session will include ideas for soliciting advisory council support, factory

brand training curriculum and other technical resources which are available.

Retention Versus Instructors

Dr. Timothy Muckey, El Camino Community College

Location:

Classroom 5

Student Retention is the sole responsibility of an instructor and the fact is instructor behavior, mannerisms,

character, speech, attitude and other personal traits affect student retention more than any other single

element. Have you wondered why some instructors seldom lose students while others can hardly keep them?

This class is for you. Recent research and statistics will be revealed, but the focus of the presentation will be

on the key element of all programs - The Instructor. Learn how to keep your students once you get them!

Hydrocarbon Refrigerants

Arthur Miller, RSES

Location:

Classroom 6

Hydrocarbons as refrigerants, the next generation. The EPA's SNAP Program has approved 4 hydrocarbon

and 1 HFC refrigerant for use in New Equipment. This session will review the regulations and standards of

use. HC refrigerant properties and safety will be considered as well as system component compatibility.

Cylinder storage and transport will be a concern with HCs as well as servicing procedures and these will be

discussed in the session.