On 6/23/2023 System was extremely dirty so I took it apart and deep cleaned it with heavy sanitizer/descaler. I also noticed the water flow through the filter was reversed. Customer had extra length of hose some i was able to put it right. I put it back together and ran the machine through a descale…
Read moreReplaced with High Pressure Switch
On 6/21/2023 I recovered all the refrigerant from both stages of the system. I removed the low-pressure switch that was placed on the high side and replaced with high pressure switch and wired it in correctly. I pulled a deep vacuum on both stages. And charged them with 407c in Dallas Texas. Near Lyndon B…
Read moreReplaced the Expansion Valve and Confirmed
On 6/15/2023 I cycled the system when I arrived and found a high head pressure. I cleaned the condenser by blowing it out with nitrogen. The head pressure came down but the over all pressure was low. I added some refrigerant and cycled the system multiple times only to find it was making ice on…
Read moreSupera Single Door Freezer at -4 on Arrival
6/13/2023 Found Supera single door freezer at -4 on arrival. Customer stated it got to -14. Set point at -8 with 6 degree differential. Reset controls to 2 degrees. Checked drain heater, working. Checked evap and condenser, working. Sure low setting caused insulation to be saturated and frozen. Insulation now back to correct state. Gaskets…
Read more