Question about Traulsen UL2HT Refrigerator

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Running in a 5 lb vacuum and a 125 head pressure

Added some 134a and head pressure went up a little but suction did not. Could not get to anything to work on unit.

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REPAIRING RESTRICTION IN CAPILLARY TUBE

Posted on May 08, 2016

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Sound like theres a restricton on the capillary tube. You can tryy to unblock it by taking a heat gun and warming up the capillary tube this sometimes will free the restricton.

Posted on Dec 22, 2008

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1 Answer

Low pressure on suction side and no cooling


If your running 134 a your short of gas
if your running 404a your short of gas
check the super heat it should be 5 ktd

Jan 10, 2014 | True TMC-58-DS Commercial Refrigerator

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Low suction and low head pressure


What is your suction and discharge pressure? Sea Breeze

Jun 28, 2013 | Refrigerators

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What type of refridgerant is used in the amana ars2364aw it is 12 years old


134a,but you shouldn't be adding anything to the sealed system,if you have a leak you have to first find the leak,then evacuate the system,fix the leak,hook up the vacuum pump and clean out the system and then add the correct amount of 134a,you just can't start adding refrigerant into the machine not knowing how much is in there,to much or to little will affect the way it will run and it's like a 25,000 dollar fine if caught releasing the gas into the air

Sep 04, 2011 | Amana Refrigerators

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Sub-zero 690/J 20 yrs old, compressor burned out friend's son is apprentice reefer mech he replaced compressor cut and reconnected only discharge and...


ASK HIM TO LEAN THE OIL BY FLUSHING AND PUT THE ANTIMOIST,EVEN THERE MAY BE EAKAGE ON THE JOINTS.DID HE CHANGED THE FILTER BEAUSE IT IS NESSASARY TO CHANGE.CHECK IF THERE IS BLOCKAGE IN CAPPILARY

Nov 17, 2010 | Sub-Zero 690 Side by Side Refrigerator

1 Answer

What is the high and low side pressures on the 134A compressor of my amana side by side refrigerator / freezer?


Good day,
The low side (suction pressure) is pretty nominal at 2 to 4 lbs.
The high side should range from 120 to about 14 lbs. depending on load and ambient temperature.
This would be after 15 minutes running time. Doors closed. Rear panel on as well as can be attached with gauge hoses protruding.

Aug 11, 2010 | Amana 22.6 cu. ft. Side-By-Side...

2 Answers

GE GSF25XGR Everything seems to be functioning properly, compressor is running. have supplied freon but its not moving thru the lines.


you mean, it where not able to completely frozen the layers?

if that is the case then your Freon charge might be under charge, it should be atleast 18 to 20 psi the backl pressure of your freon charge when it is running and it can only be measured using gauge manifold, your technician should know about it.

worst case scenario is your compressor might be Loss Compression (mechanical failure) Yes it is running but it cannot make pressure (valve problem)

Nov 08, 2009 | GE GSF25XGR Side by Side Refrigerator

3 Answers

Want to know operating pressures on a 134a refrigerator low and high


Maximum efficiency is achieved when there is the greatest difference between high side and low side provided the low side stays under 30 psi or so. The low side pressures must stay low enough to cause the refrigerant to change states in the evaporator. If you see frost on the compressor suction line, there's too much refrigerant, and you'll overload the compressor. The correct approach, if you have the equipment and it sounds like you must have a gauge set but you need recovery to do this right, is to evacuate the sealed system, (a tight system will hold a vacuum overnight, but an hour is a good test if you suspect any leaks) and refill with the exact amount of refrigerant (by weight) as indicated on the ID tag.. Any system that will not perform when filled to that specification has either a bad valve in the compressor, or a restriction caused by contamination. Contamination is usually from moisture (humidity) introduced into the system by improper servicing, but is usually relieved if the system is under vacuum long enough to boil out the moisture. If the compressor is the culprit, it's usually game-over.

May 30, 2009 | Electrolux Refrigerators

1 Answer

Operating pressures for 134A refrigerant system


I would go for 40 on the suction and 150 discharge, or divide the locked rotor current by 6 and charge so the current is 1/6 of the locked rotor current of the compressor, or by temperature/pressure relation 110* discharge and 35* suction, or get the suction line sweating. The best way is to remove all the refrigerant and then weigh the refrigerant the system is designed for on these critical charge appliances.

May 20, 2009 | Amana 22.6 cu. ft. Side-By-Side...

1 Answer

Freezer not freeaing


the suction pressure should not be less than 5-10psig

Jan 22, 2009 | Whirlpool ED2FHSS Side by Side...

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