Advanced Refrigeration Podcast

10/27/2024

Joe Sigg , Ray Kelly---- how do i know what number to put in on the left IHX FLAHING- GAS C???? would that be the Gas cooler outlet temp ????

10/27/2024

Funny we just recorded a podcast talking about this, as i am looking through the Bitzer software today>>>

Flash gas Bypass
The flash gas that is generated during the expansion process in the intermediate receiver has to be bypassed to the MT suction line in order to maintain the liquid receiver on a constant pressure level. Depending on the pressure difference of the intermediate receiver to the MT stage, a certain amount of liquid is generated while bypassing the saturated flash gas to a lower pressure level.

Attention: Liquid operation can occur!
In order to minimize the risk of liquid slugging, it is recommended to use a flash gas bypass heat exchanger in order to evaporate the generated liquid during expansion of the flash gas. This heat exchanger can exchange heat between any other refrigerant stream that contains warmer fluid with a sufficient heating capacity (e.g. liquid refrigerant out of the intermediate receiver or gas cooler outlet – Attention: Patents have to be considered).

09/30/2024

Utilizing Custom screens like the one in the image provide a clear and concise overview of critical system parameters such as suction pressure, gas cooler pressure, flash tank pressure, HPV%, and BGV%. With real-time data on the system, techs can quickly spot any anomalies (e.g., pressure spikes, abby-normal valve positions, or temperature fluctuations) and react immediately, preventing potential system failures.
Custom screens also can often include graphs that show historical data trends, such as the graph on the right of the screen. These trends help technicians identify patterns in system behavior, enabling them to predict issues before they escalate. Techs can also correlate a direct Link Between Data and Alarms, by linking important data points to system alarms, Techs can quickly understand the root cause of an alarm, Maybe a Differential between the flash Tank and the MT Suction Pressure is so low that is causing a lower differential in beetween the oil Reservoir and the Suction causing Little to slow Oil Flow to the compressors causing, Oil Failures……

09/16/2024

🚀 Episode 338: Making Your Startup Easier, With Custom Tiles & Custom Screens, Fun With The E3! 🎙️

This episode is a game changer for anyone involved in startups! Brett and Kevin explore the benefits of using custom tiles and screens to streamline your startup process. Plus, they dive into the fun and functionalities of the E3 controller—making tech easier and more interactive than ever.

Don't miss this deep dive into how custom solutions can simplify and enhance your operations. Perfect for tech enthusiasts and professional installers alike!

🎧 Tune in now on your favorite podcast platform!

🌐 Website: www.advancedrefrigerationpodcast.com
📸 Instagram: instagram.com/advanced_refrigeration_podcast
▶️ YouTube: youtube.com/
🎵 TikTok: TikTok Link
👍 Facebook: https://www.facebook.com/groups/448591193143594



https://youtu.be/gSC-w8rVdME

🚀 Episode 338: Making Your Startup Easier, With Custom Tiles & Custom Screens, Fun With The E3! 🎙️This episode is a game changer for anyone involved in sta...

09/08/2024

🔧 Episode 337: Sizing Solenoids and Something About Domergue 🎙️

In this episode, Brett and Kevin break down everything you need to know about sizing solenoids. Whether you're dealing with large commercial systems or smaller setups, they've got the tips and tricks to ensure you're selecting the right components for the job. And of course, Domergues got a secret, you won't want to miss!

Tune in for practical advice, real-world examples, and a few laughs along the way. Perfect for HVAC and refrigeration pros looking to expand their knowledge.

🎧 Listen now on your favorite podcast platform!

🌐 Website: www.advancedrefrigerationpodcast.com

📸 Instagram: instagram.com/advanced_refrigeration_podcast

▶️ YouTube: youtube.com/

🎵 TikTok: TikTok Link

👍 Facebook: https://www.facebook.com/groups/448591193143594



https://youtu.be/BG0NCUyaBtI

In Episode 337 of the Advanced Refrigeration Podcast, Brett and Kevin dive into the details of sizing solenoids—a crucial task in refrigeration systems. They...

09/07/2024

https://www.youtube.com/watch?v=XXJTUusTW4g Ty Branaman Can you break down doc browns refrigerator..

09/05/2024

Look whos all gonna be there!!!! Lets hang out....

08/25/2024

https://youtu.be/8CH762GL6TI

In Episode 335 of the Advanced Refrigeration Podcast, Brett and Kevin tackle the importance of communication in diagnosing refrigeration problems. From troub...

08/19/2024

🎉 Exciting News! 🎉

I'm thrilled to announce that my session, "Unlocking the Mystery of CO2 Controls: Your Path to Mastery," has been officially accepted for the 2025 HVAC Excellence National HVACR Education Conference! 🚀

Join me on March 19, 2025, from 7:45 AM to 9:00 AM PST in Sonoma C, as we dive deep into the world of CO2-based control systems. This session is perfect for educators, engineers, and technicians who want to master the principles, strategies, and practical applications of CO2 refrigeration controls. Don't miss this opportunity to elevate your knowledge and skills in the HVACR industry.

See you there! 👨‍🔧❄️

HVAC Excellence

08/15/2024

BALLS TO THE WALL!!! Todd Kler

08/07/2024

DANFOSS PACK CONTROLLER ABBREVIATIONS (AK-PC 782A)

Po - Suction Pressure
• Po-MT = Medium Temp Suction Pressure
• Po-LT = Low Temp Suction Pressure

Ss - Suction Temp
• Ss-MT = Medium Temp Suction Temp
• Ss-LT = Low Temp Suction Temp

Pc - Condensing Pressure
• Discharge Pressure from MT Compressors to Gas Cooler Inlet

Sd - Discharge Temperature
• Sd-MT = Medium Temp Discharge Temp
• Sd-LT = Low Temp Discharge Temp

Pgc - Gas Cooler Outlet Pressure
• Pressure between Gas Cooler Outlet and High-Pressure Valve (Vhp)

Sgc - Gas Cooler Outlet Temperature
• Temperature between Gas Cooler Outlet and High-Pressure Valve (Vhp)

Sc3 - Ambient Temperature
Adiabatic Gas Cooler = Wet Bulb Temp (located between the wet pad and coil)

• Air Gas Cooler = Ambient Air Temp (located underneath gas cooler)

Prec - Receiver Pressure
• Pressure in the Receiver/Vessel

Vrec - Receiver Gas Bypass Valve
• Flash Gas Bypass Valve (FGBV) = Maintains Receiver/Vessel Pressure at Setpoint (500-515 PSI) using Prec Sensor

Vhp - High Pressure Valve (Gas Cooler Outlet)
• High Pressure Valve (HPV) = Maintains Gas Cooler Temp with Pgc & Sgc sensors

•DANFOSS CASE CONTROLLER ABBREVIATIONS (AK-CC 55 & 550A)

• Pe Suction Pressure Transducer
• S2 Coil Outlet Temp Sensor = RED SENSOR
• S3 Return Air Temp Sensor = PURPLE SENSOR
• S4 Discharge Air Temp Sensor = GREEN SENSOR
• S5 Defrost Termination Temp Sensor = ORANGE SENSOR
• S6 Product Sensor = BLUE SENSOR (Typically not used)
• Te Saturated Suction Temperature (Converted Suction Pressure Transducer)