View Full Version : How to recover from a VRV properly

16-05-2006, 08:45 PM
whats the best method to recover refrigerant from a 3 pipe vrv/vrf system? is it the push pull method if so wats the best way to do it?

17-05-2006, 09:23 PM
Does the compressor run? If so run it in cooling mode and attach your bottle to the liquid line.Use your scales to check how much comes out. When you can't get anymore out, switch off and use your reclaim machine on all sides.

17-05-2006, 11:11 PM
I would be careful about recovery with the compressor running, because of lubrication to the compressor, eventually the motor will overheat, but in any event as it's a VRV the LP trip should shut off.

18-05-2006, 07:54 PM
The correct method is to put the machine into recovery mode using the dip switches on the outdoor pcb. This sets all the indoor tev's to the fully open position then you can recover as normal.

Read the instructions on the inside of the outdoor cover panel.