I am going to be removing and reinstalling a 3 ton condensing unit for a general contractor to do construction in that area for a few days. I was wondering what you all's opinion was on how to lay up the system for a few days while the construction was being done. Here's what I was thinking:
Recover refrigerant and purge system with nitrogen. after purging, I would pressure up system with 100 psi of nitrogen and close off service valves (keeping a nitrogen blanket on condenser during construction). then cut suction line and crimp in service port, start flowing nitrogen through liquid service valve and braze service port on suction line. After that, move nitrogen to service port and cut liquid line and crimp and braze line while under nitrogen. after brazing, pressure up line set and evaporator with 100 psi of nitrogen during construction.
Does this sound good? Anything I'm missing? Any opinions or ideas anybody has I would appreciate. Thanks.
Recover refrigerant and purge system with nitrogen. after purging, I would pressure up system with 100 psi of nitrogen and close off service valves (keeping a nitrogen blanket on condenser during construction). then cut suction line and crimp in service port, start flowing nitrogen through liquid service valve and braze service port on suction line. After that, move nitrogen to service port and cut liquid line and crimp and braze line while under nitrogen. after brazing, pressure up line set and evaporator with 100 psi of nitrogen during construction.
Does this sound good? Anything I'm missing? Any opinions or ideas anybody has I would appreciate. Thanks.
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