Chargeing freon when replaceing a compressor on Jenn air model jcb2059ges
I am an air conditioning contractor, I know how to charge freon on a air conditioner and a heat pump. there is not a charging valve exposed on the compressor on this refrigerator model shown. I need to know where it is so that I can charge it.
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The number reason for the Jenn Air no cool situation is caused by a break down of hte PAG oil in the compressor, thus clogging the capilary tube at the filter drier area, and causing contamination within the system. Per the Maytag TSB, a new compressor kit, heat exchanger, and new liquid line drier are required to be replaced. The compressor kit should come with a new main logic board. The ramaining componants need to be completely purged with nitrogen till clean. The condensor coil must be clean and free of any dust. A new lower freon charge follows the completed repair, and replacement decal to show new charge.
Hi, if he is a a/c tech, he had to use silver solder to repair the leak. If he is using manifold gauges, he can charge it with out knowing the amount to put in by looking for how much it takes. The unit needs/HAS to be evacuated first! He can charge in the freon using the chart on his low side gauge, as he wants the evaporator temperature to be at 40degrees F, with the P.S.I. at 68 for R-22. Just start charging in, using gas not liquid slowly, watching the suction line, and stop when it starts to condensation the line. If the top of the compressor starts to condensate, it is over charged. I wish you the best. Shastalaker7 A/C, & Heating Contractor
You may have created an over charged condition and at this point the a/c compressor will cut off on high head pressures. This can be verified by installing gauges to the systems high and low side service taps and reading the pressures.An overcharged system will start the compressor briefly but soon cuts off once pressure goes to 350 - 400 lbs on the high side. Acceptable pressures for this system should be no greater than 250 high and low suction should drop to 40-50 psi.You might recover the charge and evacuate the system,then try bringing the charge back to proper level.A sight glass in the reciever drier really helps determining proper fill.Once all bubbles have dissipated from the sight glass during charging ,one should stop at that point to avoid overfilling.Too much freon is worse than a low charge especially in hot ambient conditions....
Get prepared by going to outdoor section and record model plus serial
number. Get installer invoice or bill of sale from retailer to establish start-up date. If installer or retailer now not in business, go to LG
website and acquire local distrubtor/service contractor number.
Please note any licensed contractor can replace compressor no charge
if all warranty conditions met, but may have to charge for labour if not
covered under warranty.
Look inside your outdoor unit and find the compressor tag. It should have a model and serial # on it and a manufacturer. Then do a basic search on the net for the distributor of your compressor. However, most distributors will not sell direct to the public. You will most likely need to purchase one through a contractor. If you email me your compressor information I can help you locate and price one out.