35
1. Standard length of connection pipe
ƔPPP
4. The additional refrigerant oil and refrigerant charging required after prolonging
connection pipe
Ɣ $IWHUWKHOHQJWKRIFRQQHFWLRQSLSHLVSURORQJHGIRUPDWWKHEDVLVRI
VWDQGDUGOHQJWK\RXVKRXOGDGGPORIUHIULJHUDQWRLOIRUHDFKDGGLWLRQDOP
of connection pipe.
Ɣ The calculation Pethod of additional refrigerant charging aPount (on the Easis
of liquid pipe):
Ɣ%DVLQJRQWKHOHQJWKRIVWDQGDUGSLSHDGGUHIULJHUDQWDFFRUGLQJWRWKH
UHTXLUHPHQWDVVKRZQLQWKHWDEOH7KHDGGLWLRQDOUHIULJHUDQWFKDUJLQJDPRXQW
SHUPHWHULVGLfIHUHQWDFFRUGLQJWRWKHGLDPHWHURIOLTXLGSLSH6HHWKH
IROORZLQJVKHHW
$GGLWLRQDOUHIULJHUDQWFKDUJLQJDPRXQW = prolonged length of liquid pipe ×
DGGLWLRQDOUHIULJHUDQWFKDUJLQJDPRXQWSHUPHWHU
Cooling
FDSDFLW\
Cooling
FDSDFLW\
5000Btu/h
(1465W)
24000Btu/h
:
%WXK
(2051W)
%WXK
:
9000Btu/h
:
36000Btu/h
:
12000Btu/h
(3516W)
42000Btu/h
(12306W)
%WXK
:
%WXK
(14064W)
Max height
difference
Max height
difference
Max length
of connec-
tion pipe
Max length
of connec-
tion pipe
15 25510
15 30510
15 30520
20 3010 20
25 3010 20
0LQOHQJWKRIFRQQHFWLRQSLSHLVP
0D[OHQJWKRIFRQQHFWLRQSLSHDQGPD[KLJKGLfference.
Configuration of connection pipe