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29

2015 HVAC Excellence Educators and Trainers Conference

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

CEU Value 0.2

Get Caught Up with ECM Technology

Christopher Mohalley, Training Manager, Regal Beloit

Legacy South 2

Keeping up with change can be difficult. Keeping up with changes in ECM (Electronically

Commutated Motor) technology doesn't have to be! This session will cover new ECM

products, generation improvements and what's on the horizon. Attendees will receive

handouts that include: product information, service guide and training materials for use in

your own training classes.

Integrating Modern Solar and HVAC Systems Into Net Zero HVAC Building Designs

Pete Skinner, P.E., CEO and Founder, E2G Solar

Legacy South 3

As the design and equipment for solar PV, thermal systems, and HVAC equipment designs

have matured and evolved, so too have the expectations for on-site energy production and

comfort at passive house and/or Net zero design basis building. Choosing the right mix and

design of equipment for different climate areas and energy budgets can be challenging but

rewarding when done properly. This session will provide some detailed descriptions of:

building energy simulations like Passive House and Polysun; emerging trends in PV and solar

thermal system equipment choices; changing design bases for domestic hot water demand

and distribution, heating, cooling, ventilation and dehumidification loads associated with net

zero based buildings. Attendees will learn about cutting edge solar and HVAC equipment

systems and integration concepts along with the simulations that architects use today to

achieve their on-site net zero goals. This evolution is revolutionary and should serve as the

curriculum foundation for any HVAC course.

New Thermal Technologies Found in Cooling Equipment for Data Centers

Steve Wagner, Manager of Educational Services for Thermal Management Cooling

Products Manufactured by Emerson Network Power/Liebert

Legacy South 1

The Thermal Management industry for data centers (computer rooms) has changed

significantly over the past several years. This breakout session will address these changes and

the need to educate the work force. There is an increased effort to reduce the energy cost of

cooling equipment in data centers. Cooling alone will consume between 45 to 50% of all

electricity used. Therefore, today's technician must be proficient in maintaining this equipment

in order to assist in the reduction of electricity. Today, we use digital scroll compressor

technology, electronic expansion valves (EEV), and pumped refrigerant to achieve the high

efficiency demand for the data center. The digital scroll design allows the scroll compressor to

continue to operate while controlling the capacity of the system. This new technology has

been unique to Liebert products for several years. However, it is now starting to be introduced

into other areas of the HVAC industry. Pumping refrigerant through the system without the

typical compressor is another way of reducing electrical cost in a data center. We can now

use a fluid pump with EEV's and bypass the compressor to provide “free” cooling. When the

predesigned conditions are achieved, the compressor is cycled off and the fluid pump is

energized.

Monday, March 16, 2015