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On a chiller with semi hermetic compressors can have different types of thermostatic expansion valves for metering. As far as a number, you will have to go to the evaporator to look at the tx valve and get the numbers. It may be a single ported, double ported, be externally equalized or not. You have to get the copper line sizes in and out also if you are planning to change the valve out. The valve will also have the type of freon the system uses if for some reason the data plate is worn off. That's the place to always find out is the expansion valve. If you need information other then what I have given you, contact me and I will help you. Sincerely, Shastalaker7
Try to put a booster cap in parallel with the compressor capacitor ,but if still the compressor won't start it has a problem and because it's hermetic it has to be replaced.
It sounds like a grounded hermetic compressor. You can have a certified technician replace the compressor, Withoutnhaving to replace the entire condenser.The freon in a burned out compressor needs to be changed as well. Good luck. Keep me posted
is it hermetic closed compressor? if it is you do not have change oil. if it is half hermetic and have freon also not change, if it is air compressor then change oil after 500 hours,use oil especially for compressors,not recommended to use motor oil.
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