20 Most Recent Delfield 18672PTB Commercial Refrigerator Questions & Answers

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my chart says 32 ounces of R-404 A. Remember, cap tube systems are charged by super heat and TXV systems are charged by subcooling or full sight glass if system has receiver.

the tubes that circulates the freon gas to that unit is not working... check for any leakage in gas or check for any blocks in the unit... make sure the compressor is working good...

try disconnecting thermistor and let run if ok replace it if not possible bad cooling unit

Your best bet is to order an OEM capillary tube and replace it. Of course this requires recovering the refrigerant. The likelihood of unplugging one is very very slim unless it is a very large bore tube.

step 1: check the freon level via pressures or weighing in the correct amount.

Any problem with it?

I've used a piece of wire and hot water

You most likely have a shorted refrigerant pump module.

the model says that this is a cooler/freezer combination unit. super heat has to be measured on each section separately. As a general rule: Freezers run around 6-8 degrees and coolers are 8-10. I have seen freezers go as low as 4 degrees right before they hit set point temp and shut off.

I have found 1 freezer with the identical issue and never found the answer to the issue. I tried everything I know to do and with no success. The customer ended up replacing the freezer. Sorry, but that's all I can offer.

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