sdmuleman
Red Skull Member
Bought a commercial freezer & refrigerator over the weekend but at least one needs some work. I've done automotive AC work, but have not messed with commercial stuff and had a question -
the fridge has a broken line between compressor and condenser. Condenser line is aluminum, and it broke about 1/4" away from the copper bell end it was brazed/soldered to. What's the best way to fix this, and what materials are needed? I've done plenty of copper pipe soldering but never aluminum pipe, and I'm not sure what flux/process/solder to use to avoid contamination of the system. Also sounds like normal practice is to purge with nitrogen during brazing - any reason I can't use argon instead? I have argon for the welder but don't have any nitrogen or want to mess with getting a cylinder just for this.
Thanks.
the fridge has a broken line between compressor and condenser. Condenser line is aluminum, and it broke about 1/4" away from the copper bell end it was brazed/soldered to. What's the best way to fix this, and what materials are needed? I've done plenty of copper pipe soldering but never aluminum pipe, and I'm not sure what flux/process/solder to use to avoid contamination of the system. Also sounds like normal practice is to purge with nitrogen during brazing - any reason I can't use argon instead? I have argon for the welder but don't have any nitrogen or want to mess with getting a cylinder just for this.
Thanks.