User Guide

Installation & Operation Manual - VFH-MB 09/12/18/24 Series
52
) ,QVSHFWLRQ
Ɣ&KHFNWKHTXDOLW\RIflare,IWKHUHLVDQ\EOHPLVKflareWKHSRUWDJDLQDFFRUGLQJ
WRWKHVWHSVDERYH
The length is equal
Improper flaring
leaning
damaged
surface
crack uneven
thickness
Smooth surface
Downwards
Pipe
Shaper
Flare nut
Pipe
Expander
Hard
mold
Pipe
Pipe
Pipe cutter
Leaning Uneven Burr
% 5HPRYHWKHEXUUV
Ɣ5HPRYHWKHEXUUVZLWKVKDSHUDQGSUHYHQWWKHEXUUVIURPJHWWLQJLQWRWKHSLSH
& 3XWRQVXLWDEOHLQVXODWLQJSLSH
' 3XWRQWKHflareQXW
Ɣ5HPRYHWKHflare nutRQWKHLQGRRUFRQQHFWLRQSLSHDQGRXWGRRUYDOYHLQVWDOO
WKHflareQXWRQWKHSLSH
Appendix 3: Pipe Expanding Method
Note:
Improper pipe flaring is the main cause of refrigerant leakage. Please
flare the pipe according to the following steps:
$ &XWWKHSLSe
Ɣ&RQ¿UPWKHSLSHOHQJWKDFFRUGLQJWRWKHGLVWDQFHbetweenLQGRRUXQLWDQG
RXWGRRUXQLW
Ɣ&XWWKHUHTXLUHGSLSHZLWKSLSHFXWWHU
( FlareWKHSRUW
ƔFlareWKHSRUWZLWKH[SDQGHU
Note:
Ɣ$LVGLIIHUHQWDFFRUGLQJWRWKHGLDPHWHUSOHDVHUHIHUWRWKHVKHHWEHORZ
2XWHUGLDPHWHULQFK
$LQFK
0D[ 0LQ
Ɏ 43/649 1/36
Ɏ 1/16 1/51
Ɏ 1/14 1/51
Ɏ 5/53 2/23