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Clear Plastic in Liquid line
Straight cool system.
Installed 12 years ago, serviced every spring, no major issues.
Complaint was unit freezing up.
Suction pressure 19
Head pressure 325
Condenser coils clean. Evaporator coil clean. Filter Clean.
Recovered 6 pounds 4 oz R22
Removed liquid line from evaporator coil to check orifice.
Found piece of clear cellophane style plastic lodged against orifice.
Purged system with nitrogen and removed two smaller pieces of the same material.
Ran vacuum cycle and repurged system.
Pulled final vacuum and weighed in correct charge.
Called back today for same complaint.
Recovered refrigerant and opened liquid line found even larger piece of same material.
After vacuum and recharge system pressures are horrible.
Suction pressure 56
Liquid pressure 208
Anyone ever had this issue before?