One HSI Furnace Control to Rule Them All w/ Jim Fultz

Jim Fultz with Emerson White-Rodgers returns to the podcast to talk about one HSI furnace control to rule them all, the 50M56X-843 Universal Single Stage Integrated Furnace Control.

The 50M56X does not come with wiring harnesses; the control comes with the plugs that the majority of manufacturers use, making it a versatile and user-friendly universal part. It also works with the White-Rodgers Connect app to help you configure the part with the burners. You can also do some basic configuration when it comes to the blower motor. With the 50M56X and Emerson White-Rodgers Connect app combination, you can quickly and accurately configure the control without wi-fi or a password.

An igniter is included in the box with the 50M56X; the igniter must match the control. The control also comes with a three-digit display that communicates the microamp current from the flame sensor, meaning you don’t need to use a meter on the flame sensor. So, you can carry less truck stock and complete more calls with this universal part.

The device also has some potentially useful extra features. For example, the 50M56X stores error codes for 14 days, not permanently, to prevent causing confusion for future technicians. It also has a bus connector for the thermostat and a dehumidification terminal for thermostats with dehumidification capabilities.

Jim and Bryan also cover:

White-Rodgers universal vs. aftermarket vs. OEM parts
Blower speed and X13, ECM, and PSC motors
Near-field communication (NFC) capabilities
Cross-referencing
Technology and ethical business
50M56X warranty information
Integration with Sensi thermostats
WR Mobile App (available on Google Play and the App Store)

Learn about Emerson White-Rodgers and their featured products on our partner page HERE.

Check out the wide array of products and resources Emerson White-Rodgers has to offer at https://emerson.com/universalcontrols.

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In this short podcast episode, Bryan talks about the CPS Molecular Transformator and what it does.

The Molecular Transformator is a version of a tube-in-shell heat exchanger, which is a method of exchanging heat from one fluid medium to another fluid medium. Tubes containing a fluid pass through a shell containing water or glycol, and there is a heat exchange between that secondary fluid and the fluid being circulated in the tubes. In a Molecular Transformator, the fluid being circulated is recovered refrigerant, and the secondary fluid is water (in a bucket), which absorbs heat from the refrigerant and cools it down to make sure that the refrigerant enters the recovery tank as a liquid.

Refrigerant recovery machines have condensers inside of them, but they are quite small and don’t hold a lot of refrigerant by design; many recovery machines use microchannel coils. A lot of the time, the refrigerant leaving a recovery machine is a liquid-vapor mix and too high-temperature; a lot of people run a hose over the tank or put it in a bucket of ice. The “Molecular Transformator” tries to settle the vapor molecules down into a liquid; it transforms the vapor molecules using the same mechanism as a tube-in-shell heat exchanger.

The main issue is that there will be leftover refrigerant in the Molecular Transformator after recovery. However, you can mitigate this problem with ball valves and proper purging. Do so responsibly to avoid venting refrigerant.

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