ksm
10-02-2012, 04:45 PM
Dear all,
To pump down the precision air-con unit,the liquid line shut-off valve need to close before compressr start or after compressor start? Which one is the correct method?
Please advise,thanks!:)
To pump down the precision air-con unit,the liquid line shut-off valve need to close before compressr start or after compressor start? Which one is the correct method?
Please advise,thanks!:)