HVACR Service Call: Refrigerant Leak Repair/Dual Pressure Control Installation (Refrigeration Unit)
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- เผยแพร่เมื่อ 29 ส.ค. 2024
- HVACR Service Call: Refrigerant Leak Repair/Ranco Dual Pressure Control Installation (Commercial Refrigeration Unit Leaking Refrigerant)
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Ranco dual pressure controls are used for either operating or protecting commercial refrigeration and air conditioning systems. Within one NEMA 1 enclosure, they are a combination of both high and low pressure controls interconnected to operate a common switch.
Ranco dual pressure controls are suitable for R12(R134a), R22 and R502 refrigerants and are available with either male flare or capillary with flare nut pressure connections.
The O12 series, with a single pole, single throw switch (SPST), will directly control a single phase compressor; the O12 may also be used with a contactor for pilot control for single and three-phase compressors. The O22, with a double pole, single throw switch (DPST), will directly control single of three-phase compressors. The electrical ratings inside the control cover must not be exceeded.
The low pressure closes (cuts-in) the switch on rise of compressor suction pressure and opens (cuts-out) the switch on pressure drop. The high pressure function overrides to open the switch as the compressor discharge pressure rises.
Specifications:
Low Pressure (Open Low): 10" to 100 PSI, 10 PSI fixed differential, manual reset.
High Pressure (Open High): 150 to 450PSI, 70 PSI fixed differential, manual reset.
Capillary: 36" with 1/4" SAE flare nut.
Switch: SPST
FLA: 24Amps @ 120VAC/240VAC
How to install a Ranco dual pressure control
How to install a Ranco dual pressure switch
Commercial refrigeration refrigerant leak repair - วิทยาศาสตร์และเทคโนโลยี
I love the passion for the job, learning ❤️🙌🏼💯
Yet again another top vid. Love them 👌🏼
Thank you Musa! Appreciate your support🙏
Glad you enjoyed the video. Stay tuned for new videos every week⚡🔧
Great video as always! Thanks Jumper man!
Awesome video! Whole bunch of little things are great, too many to mention. I like watching the difference between how you and I work and what you do so much better. It really helps. Thanks
Thank you! Appreciate your comment 🙏 Glad you are learning. Stay tuned for new videos every week⚡🔧
Thanks for this. Looking forward to the charging refrigerant using superheat/subcooling video
You're very welcome & thank you for watching! I will definitely be making that video. Stay tuned for new videos every week⚡🔧
Professional at work 👌
Thank you dude! Appreciate you🙏
Stay tuned for new vids!
Interesting and helpful video. Thanks for sharing JMT
Glad you found this video interesting and helpful🙏 Thanks for commenting. Stay tuned for new videos every week⚡🔧
Молодец, всё на совесть и аккуратно.
Thanks for the video
Nothing but gems brother! Keep doing your thing! 👍🏼🔥
Thank you dude! Good to see you here. Appreciate your support & thank you for watching 🙏 Stay tuned for new videos every week⚡🔧
Cool stuff!!!!
Great video. Would you mind explained where the wire connect to. in order to break the power.
Thanks
Next video jumper man i beg you to shown us how to recoil chest reezer i beg i beg..
So I do a lot of residential work I’ve been wondering what I can do to add refrigeration under my built also? Do I have to go back to school? Or are there manufacturers willing to train you on their equipment?
Bro! Beast I’m in school now. Did you learn all this on your own?
JMT killin it 💪👍🇺🇸🐕. Great vid. I work on commercial refrigeration units for restaurants. New to the trade n this is super helpful. Looking forward to video on charging by n checking subcooling on refrigeration units with receiver. Some say dont check subcooling when receiver in unit but I like what dick wirz says in his books with diagrams showing subcooling readings with receiver. Ur thoughts n again n Thank-you for sharing your experience n knowledge
Are you using nitrogen while you are brazing?
dude never unsweat a dryer