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Taylor 430-12 low pressure adjustment for frozen cocktails

What is the correct setting for the low side with expansion valve to make cocktails with this machine.

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What should the refrigerant pressures be on a reach in freezer that uses 404A refrigerant


Generally, low side is around 20-25 PSI and High side is about 235-250 when unit is close to operating temp. Expansion device effects this to some degree such as a cap tube can restrict and affect pressures as well as the amount of the charge in the system. Compressor efficiency is another.

Jan 19, 2018 | Freezers

1 Answer

Where is the expansion valve located on this unit?


No expansion valves are used. A capillary tube is used instead. It is a small diameter tube connected directly to the evaporator.

Jun 23, 2015 | Freezers

1 Answer

How do I recharge a 15 yr old Freezer Model #UL2494ECW8


U have to buy and install a shrader valve on the low side going to the compressor. Correct refrigerant charge is critical and you need to carefully measure and introduce the correct amount of freon, preferably with a refrigeration scale.

Jun 02, 2015 | Freezers

1 Answer

I have a 404-A Low Temp Freezer Box that will not pull down to -10. Stops at a box temp of 18 degrees. I have changed the Compressor , Expansion Valve, Driers, Triple Evzcuated three times. You cannot...


sounds like you covered most all bases. without knowing pressures, I would look for a possible restriction. Since the TXV was replaced, are you sure you went back with OEM? If refrigerant was weighed in, was the drier an oversized one? It's rare but I have found some units that just don't cool right with the factory weigh in charge. You may want to try to charge by pressures. If it has a condensate pan with a hot gas line, be sure it is dry before trying as this effects the pressures. Good luck. Looking forward to hear about the fix.

Jul 04, 2014 | Continental Manufacturing Company...

1 Answer

Which line is the low side on my chest freezer ?


Ok, basic refrigeration here. The 'high side' contains the high pressure vapor leaving the compressor and going to the condensor to condense into a high pressure liquid. The 'low side' contains low pressure refrigerant vapor within the evaporator and the suction line back to the compressor. The same amount of vapor has to return to the compressor as left the compressor. So thinking about pressure solves the problem....High pressure equals small line...
Low pressure equals larger line. The low pressure vapor will fill a larger space than high pressure vapor so it has to travel in a larger line. The suction side is the bigger of the two and if the unit is functioning, it will be the one cooler to the touch.

Though this is basically correct in theory, it is not a totally perfect way to descsribe an answer to your question, but it was fun to try.

Jul 03, 2014 | GE Freezers

1 Answer

I have a samsung 1 year old fridge that wont get cold at all. the compressor, evap and condensor fans all run and i installed a schrader valve on low side to try to vacuum and charge with no luck. it


Compressor should rapidly bring pressure down from standing pressure to running pressure when switched on. If no change, compressor not pumping. Make sure the line tap valve isn't leaking, and the gas you used was correctly charged.

May 19, 2012 | Samsung RF217ACPN 19.7 Cu. Ft. French Door...

1 Answer

Delfield MD # 6151 - S Sr # 206156-T not pulling down to Temp set at -10 and only pulling down to 24 freon is good


Take the top cover off that is next to the compressor,. That cover is about 30 by 30 inches. You will see two fans and an evaporator coil. Several things can happen. First these fans won't come on until the coil is somewhere around 10 degrees or if the door is open. So, once the freezer has been running look under the big cover and be sure both fans are running. If one or both are not running it won't pull down to 0. Also look at the coils and see how much frost has accumulated. If your defrost timer is not working it may be frozen over. When that happens air is blocked from reaching the inside of the freezer. While you are at it, fell of the coils if they are only partially freezing, you may be low on freon. If you have gauges to check the freon charge, check both the high side and the low side pressures. If the high side is less than 200 psi, you have some freon, but maybe not enough. If the high side pressure is 300 psi, you have something blocking the freon from returning to the compressor. Usually a blocked cap tube or a malfuncting expansion valve. Finally check the condenser coils which is the radiator thing out where the compressor is located. If it clogged with dust and grease, it will not dissapate the heat from the freon and will intefere with the operation of the entire unit. Clogged condener coils are probably the number one cause of burned out compressors. Good luck.

Sep 17, 2010 | Delfield 113.28 cu. ft. Commercial Freezer...

1 Answer

This unit has a crank case pressure regulator and it is icing up I am unsure of the correct charge becauase the data plate is gone; however I did adjust the cpr valve to where i had a svt of -20 and this...


Freezers usually have a super heat of 6-8 degrees and as it approaches the set temperature, it can be as low as 4 degrees. you will have to 'babysit' this and adjust as you go but it has to be done in extremely small amounts. the crankcase pressure regulator basically keeps the compressor from being overloaded from high pressure like from after a defrost or the door being left open.

Apr 29, 2017 | Hussmann Commercial Freezer DCCG-12

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