Question about Refrigerators
My wife had a service technician come in to her store to repair a true TSSU-60-16 salad unit.He found a leak, repaired it & recharged it with 134A refrigerant.He also informed her the capillary tube was plugged & needs to be replaced.1. According to the website this unit is supposed to use 404A refrigerant, will the 134A harm it? 2. He said it will be $500.00 to replace the capillary tube, is this reasonable? 3. Will the compressor fail sooner due to the plugged capillary tube? It seams to be working O.K. since his repair.
The True TSSU-60-16 uses an oversized (134A) refrigeration system with air flow directed at the pans.... if the capillary tube is plugged it will NOT cool at all.. most of the time a restriction (plug) is at the drier where the capillary tube goes into it.. as it is smallest passage in the system...hope it helps
Posted on Sep 02, 2008
Posted on Apr 25, 2017
A restricted cap tube will greatly reduce the life of the compressor.
I would guestimate that the job of replacing the cap tube will take about 3 to 4 hours, plus a new dryer / filter and refrigerant. ( about an hour just to evacuate the system). I am pretty sure your unit uses R134A. It should say on the compressor as well as the inside sticker. Cap tube restrictions are a problem with the R134 systems. Hardly ever had them with the old R12.
Posted on Feb 02, 2013
The type and amount of refrigerant will be listed on the model number tag on the left side interior wall of the unit. A partial blockage of the cap tube must be cleared for the unit to cool properly and to allow enough cool refrigerant to return to the compressor to keep it cool. I have heard from a fellow technician recently who tells me that he has had great success cleaning rather than replacing cap tubes by adding Supco S8 oil additive to running units. I have not yet had the opportunity to try it but if it saves the trouble of removing and replacing the cap tube I am going to give it a shot.
Posted on Feb 03, 2010
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Posted on Jan 02, 2017
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