AC problem: Tenant complainted AC doesn't work when highter temp

a new units. The technian found the new condeser using R-410A, but the air handler is for R-22. Technian asked at least $500 for add a conveeter. Question: is it right? If I change R-410A  expension valve (TXV), will it solve the problem. It cost $60 only in e-bay.Thanks for your help!

 

所有跟帖： 

• 有點奇怪 -helloguys- ♂ (200 bytes) () 08/12/2012 postreply 19:35:21

• Yes, 上次換 condenser 的大哥是偷工減料 -yahwawa- ♂ (0 bytes) () 08/12/2012 postreply 19:48:55

• 由於R410A工作於較高壓環境, 所有的運行管的管壁相對較厚, -梁山sl- ♂ (89 bytes) () 08/12/2012 postreply 20:54:34