SEALED SYSTEM REPLACING COMPRESSOR ON COMMERCIAL FREEZER
I assume you mean the access fittings for taking pressures. If it has never been serviced and is as it came from the factory there are none. They have process tubes that are pinched off and brazed shut so only a technician can get into the system. It's actually the last thing we want to do to a sealed system.
SOURCE: my true cooler freezer
first place to look is in the evap where the defrost/ fan delay is located. It is usually attached to the "U" tube on the evap and senses the temp. It prevents circulating warm are after a defrost. It could be bad and keeping the fans from running. Start there and let me know if I can be of further help
SOURCE: I have a True Cooler
They have a support line here:
http://www.truemfg.com/24HourTech_en.aspx?language_id=1&event_id=401&from=food
Our Technical Service department is available via Internet or phone
Monday - Friday 7:30 AM - 5:30 PM CST and on Saturday 8:00 AM - 12:00 PM CST.
Via phone please call 1-800-325-6152 and ask for the Service Department
You can also use the page to ask any questions. I suspect you have a fan relay that has failed as the fans should be running anytime the compressor is running. Since all of the fans are not running that leads me to think it is a relay problem.
One thing to need to make sure is to verify that all fans.. condenser (bottom of the unit) and evaporator (inside the unit) fans are not running. If the condenser fan bottom of the unit is running and the evaportar fans are not running it could be something as simple as a door switch that has failed. Call them during business hours and I am sure they will tell you what the remedy is.... and of course.. do their very best to ensure they get to send a repair tech your way.
Thanks for choosing FixYa,
Kelly
SOURCE: True gdm 72 goes below 20 degrees
Usually a blocked condenser fooling the thermostat into running overtime. Possibly thermostat fault but less likely
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