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And its 4D copeland

Not this cooler!
I have a exchanger plate. No thermostat to control temp and the oil is at 60f.
AB oil

Have a r22 low temp rack with oil cooler on each compressor. What is the minimum oil temp allowed

You need a timer and off time defrost.

Check your txv strainer before. Maybe just your powerhead

For the post #7
If you have a rack with medium and low temp, you will have to succion group with low temp compressor and medium temp compressor

When i have to replace an orit in a dual case , my boss whant i replace bye thermostat solenoid but i think controlled temp by pressure is better.

Never see that ? Run a complete low temp rack for medium circuit. For dual temp case ok but not fresh meat.

I like the tif zx1 with 2 battery and charger. I'm not sure if i find all the leak but it make a good job

With25sh it's sure you are not flooding evap. I hope to have the explication of that phenom!

Try the eaton photoelectric sensor. Never have problem with that

Yes change the rooftop is the solution

Put the condensing unit on spring and forgot the rooftop

It vibrate without the compressor running? Maybe a unbalence fan blade or a bearing?

Hi, it's start with a summer job when i was 16 years old and im loving it. I take the course in refrigeration. Start to works in 2004 in a small business and i do refrigeration, a/c service and...

I pass the insulation in the hole and shoot urethane and a caulk around after

Dont know if its pvc but the thin sheet of white plastic

Agree with ammonia. Stay on the roof. Nobody cant broke the piping with a lift or anything else. Glue and tape the joint and you can recover with pvc

Why you need to insulate the liquid line inside the freezer?

Ok. I'm sure it works well with micro thermo. It's too simple versus cpc or other controller

Ok lol. Buy a electric pump !
When you charge by the separator, you con be exact and stop just above the sighglass

Why add the oil by the succion? Im not sure its the more secur and fast method

Pump by the service valve. You can reduce the head pressure or close some body. I dont see other way.

This thread is dead ?!
How you control your case temp? Are you controlling with a modulate superheat?

Sporlan seem to be the best one. I have a couple of market with the carel and a lot of problem