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New compressor weighed in charge and still no colling

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Posted on Dec 02, 2008

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Add 134-a to refrigerator

You will need to install line taps on the service pigtails in the compressor compartment. Attach your gauges and remove the remaining refrigerant from the system. Cut the 2 access pigtails just below the temporary access valves and braze permanent Schrader valves for gauge access. Install gauges and draw a vacuum on the system. Find the charge listed on the spec. tag that mentions model and serial number. Get an accurate scale that weighs in ounces and weigh in exactly the charge by the ounce. The charge is critical and since this temperature control measures coil temperature and not cooler temperature it will not shut off without a close charge. Hope this helps and good luck.

Sep 28, 2014 | Beverage-Air BM23

1 Answer

I have a True GDM10 i recharged it is cooling but the Compressor is very hot. Any tips why?

Its very important that you weigh the charge carefully. You need a scale that measures in ounces. The system first needs to be evacuated to get the system to hold an accurate charge. The spec. tag will give you the factory charge. If you've done these things already and its cooling properly rest assured the proper cooling vapor is getting back to the compressor where it counts and the dome temperature is as it should be and really not that important. Hope this helps and good luck.

Jun 17, 2014 | True GDM-10 Refrigerator

1 Answer

How do you add the refrigerant yourself to your cooler GDM-12

I will tell you what the factory says. Get a reclaimer and remove the remaining refrigerant from the system. Put your vacuum pump on the system and finish removing the noncondensibles from the system. Take a scale that weighs in ounces and weigh in the exact charge stated on the spec. tag that gives you the model and serial number and refrigerant type and charge. If you just try to put some gas in you will have a refrigerator that builds up ice on the coil, wont shut off, makes bad sounds, and has compressor problems. Hope this helps and good luck.

Jun 16, 2014 | True GDM-12 Refrigerator Commercial

1 Answer

What happen if my refrigerator compessor is overloaded with freon

If overcharged during charging of Freon compressor will be stressed and cooling will affected. Charging refrigerators are very sensitive to overcharging because refrigerator's use very little Freon, only about 6 ounces. Symptoms of overcharging are high compressor amperage and difficulty cooling. Best to weigh Freon while charging and always use a new filter drier. Refrigerator's are also extremely sensitive to have even one drop of room air in the lines (sealed system)before recharging and require a long and perfect vacuum before recharging. Symptoms of air in the sealed system are compressor starting and then shutting down because small amounts of room air in the system cause compressor to strain bogging compressor. Air in the system will cause water droplets to freeze in the capillary tube causing a blockage that causes the compressor to stop and start again once the droplets thaw out. I will be glad to explain more should you have more questions, Thanks, Sea Breeze

Jan 07, 2012 | Refrigerators

1 Answer

Need to know what pressures should run . R- 134a 75 F ambient 40 F space.

They don't charge by pressure anymore. You need to reclaim the charge you have and weigh in the exact charge listed on the spec tag. I know it sucks but the compressor or internal cabinet temp will suffer and itll never work right if you don't. Sorry.

Aug 04, 2011 | Traulsen Commercial 2 Door Cooler /...

1 Answer

Recently had a line and Freon replacement after which the Compressor worked for 2 hours and now stopped and only intermittent kicking.

Was the system properly evacuated and a new drier installed ?
Was the refrigerant charge weighed in ?

Jul 22, 2011 | Refrigerators

1 Answer

Compressor working, cooling coils hot, but unit won't cool below

When you say fully charged, did you weigh the refrigerant? These small systems cannot tolerate overcharging by even small amounts because it will result in overpressure on the suction side. If there's too much refrigerant you get hot coils and cool but not cold evaporator. I typically pump the refrigerant into a recovery tank and then weigh it back in to get exactly the amount on the mfg label.

Dec 12, 2009 | True 598-TSSU608ADA SandwichSalad Unit 155...

2 Answers

I have a frigidaire model FRT21LRGW, the compressor was changed in 2005, evaporator& heat exchanger was changed in jan.2009. Last week apr.2009 the unit started giving problem AGAIN. Freezer and fridge not...

Possible leak in the sealed system. Make sure the technician pressurizes the system with nitrogen, changes drier, evacuates to 500 microns, then weighs in the correct charge.

Apr 23, 2009 | Frigidaire FRS23KF7AB Side by Side...

1 Answer

Compressor keeps running, and really noisy, seems to be working though, when thermostat set to off the compressor shuts off, so the thermostat should be good right, could it be a low charge, or just a bad...

i agree with you its is one of those problems you mention or both,so lets look at cost first:under new EEU regulations an engeneer has to drain you old gas from your fridge back into a special containor he will charge you for disposing it, then he will charge you for finding your leak/s and repairing it or them and last he will tell you what you already know your compressor is on its way out.I want you weigh up the costs of repair which im sure will be quite substantional to the price of a new or good second hand fridge your call ,.hope this helps you.adrian

Feb 16, 2009 | Whirlpool 21.0 cu. ft. Top Freezer...

1 Answer

Kenmore side by side refrigerator

That is a Tecumseh compressor and refrigerators are very tricky when it comes to installing a new compressor. It will need a new liquid drier and silver soldered in a tight place. Then the system will need to be put in a absolute vacuum for about 1 hour. The freon will have to be weighed and charged into the refrigerator very carefully as it take only a few ounce's of freon. Too much or too little or just a tiny bubble of outside air will cause the refrigerator not to work. The fact that the old compressor needs removed also raises the question of if the original was a burn out. If it was a burn out then the type of oil the new compressor and the old will need to be considered to determine if more things, like acid neutralizer or filter driers will be needed to insure proper installation. Hope I have helped you, Thanks, Sea Breeze

Oct 28, 2007 | Kenmore 50522 / 50524 Side by Side...

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