Making Cold Climate Heat Pumps Work w/ Copeland and White Rodgers

HVAC School - For Techs, By Techs

Bryan Orr

Education, Business, Self-improvement, Careers

4.9 • 1K Ratings

🗓️ 23 February 2023

⏱️ 47 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

In this episode recorded live at AHR Expo 2023, Dustin and Jim from Copeland/White-Rodgers join Bryan to talk about the use of heat pumps in cold climates. They talk about the history of heat pump innovation and talk about changes to come.

Variable-speed and two-stage compressors, as well as advanced controls, make it easier for contractors to control sizing and for heat pumps to perform to acceptable standards in cooler climates. Contractors in cold climates also rely on dual-fuel models that use electric and gas heat, which makes it easier for the system to move the desired amount of heat.

Variable-speed and two-stage compressors help the system deal with different heating and cooling capacities; in cooling mode, these technologies can also help with latent removal if the blower is also able to vary with the compressor.

Advanced controls, especially universal controls, also help with defrost management, a key component of heat pump performance. When defrost is managed effectively, customers can yield energy savings. The White-Rodgers universal defrost control comes with coil and outdoor temperature sensors (thermistors) to determine when the unit is ice-bound; it also has a thermostat that can control second-stage heat.

Dustin, Jim, and Bryan also discuss:

Electrification and heat pump sales
Vapor injection and compression ratio control
Freq drives
White-Rodgers universality and nomenclature
Timed vs. demand defrost
Electric heat vs. gas/oil heat costs
WR Mobile app
Multi-volt contactors (White-Rodgers SureSwitch)
Pool heat pumps and contactors
Crankcase heaters, long line sets, and total system charge
A2L refrigerant testing

Learn more about White-Rodgers products on the WR Mobile app, our partner page at https://hvacrschool.com/partner/emerson-white-rodgers/, or the website at https://climate.emerson.com/en-us/brands/white-rodgers.

Learn more about the 4th Annual HVACR Training Symposium or buy a virtual ticket today at https://hvacrschool.com/symposium.

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Transcript

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0:00.0	The free education provided by HVAC school is made possible by our great sponsors.
0:10.0	Emerson White Rogers and the 50 M 56X 843 Universal Single Stage Hot Surface
0:16.5	Ignition integrated furnace control for PSC and ECM X Blower Motors
0:21.8	otherwise known as Constant Torque E. C. M.
0:25.6	So Emerson is offering this brand new integrated furnace control as part of its universal
0:29.9	streamlined inventory by replacing over 550 different boards for PSC and ECMX type blower
0:37.0	motors.
0:38.0	With this board you're going to be able to configure it really easily using the Emerson White Rogers
0:42.0	Connect app and you're just going to be able to connect it right up.
0:44.6	You don't need harnesses, you don't need anything special, you do have to set up the blower and blower speed settings
0:49.9	because of course the board's not going to know that by connecting it, but you can do that really easily with the app.
0:54.1	It uses near field communication.
0:56.1	And it just allows you to keep one board on your truck that covers a massive range of different
1:01.0	hot surface ignition boards that you're going to run into.
1:04.0	To find out more, you can go to HVacr School.com, look up at our partners page and find
1:08.4	Emersonwhite Rogers, or you can go directly to HVACR School.com slash W.R. H.S.I.
1:17.0	That's W.R. for White Rogers, HSI for Hot Surface Ignition.
1:21.0	HVACR School.com slash W.R. HSI to find out more.
1:27.0	Field Piece and Field Piece.
1:28.6	Field Piece makes so many great tools that it's hard to mention them all but they do have a new large pipe
1:33.6	clamp that you're definitely going to like it goes up to four inches and it works great
1:38.4	if you are in the more industrial sides of our industry. Very, very accurate, great form factor. We tested it out at
	...

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