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8:30 a.m. - 10:00 a.m.

CEU Value 0.2

Educator Credentialing Exams

Lem Palmer, HVAC Excellence

Location:

Classroom 1

To help attendees identify if they have the retained knowledge to effectively teach a subject or if they need

professional development, educator credentialing exams will be offered free of charge. The areas of

certification available include: air conditioning, light commercial refrigeration, gas heat, heat pumps,

electrical, light commercial air conditioning, electric heat, oil heat and the capstone which covers educational

methodologies. There is no CEU value for this session.

An Internet of HVAC Things: Web Based HVAC Systems

Ron Auvil, American Technical Publishers

Location:

Classroom 2

This session will overview "typical" web based control systems. The following components will be covered:

input/output devices, sensors, relays, field controllers, bacnet, LON, web based supervisor controllers,

servers, client computers, tablets, smartphones, and functions (login, trends, alarms, graphics, set points,

operator commands).

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.

Electronically Controlled Refrigerant Flow - Where and Why

Gene Zeigler, Sporlan Valve

Location:

Classroom 4

This session will cover electronically controlled electric step motor actuated valves which are being employed

in place of traditional mechanical valves in many common refrigerant flow applications. The discussion will

include electric expansion valve (EEV), electric evaporator pressure regulator (EEPR), electric hot gas valve

(EHGV) and electric reheat valve (ERV) application information. Both the step motor actuated electric valves

and electronic controllers as well as the required temperature and/or pressure sensors for these refrigerant

system uses will be described. In addition to a review of operating principles, installation, servicing and

troubleshooting of valves, controllers and sensors, consideration will be shared regarding the perceived

advantages which have driven industry trends toward electronic refrigerant control.

Monday, March 21, 2016