3
1. Standard length of connection pipe
Ɣ PPP
4. The additional refrigerant oil and refrigerant charging required after prolonging
connection pipe
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VWDQGDUGOHQJWK\RXVKRXOGDGGPORIUHIULJHUDQWRLOIRUHDFKDGGLWLRQDOP
of connection pipe.
Ɣ
The calculation
P
ethod of additional refrigerant charging
DP
ount (on the
E
asis
of liquid pipe):
Ɣ
%DVLQJRQWKHOHQJWKRIVWDQGDUGSLSHDGGUHIULJHUDQWDFFRUGLQJWRWKH
UHTXLUHPHQWDVVKRZQLQWKHWDEOH
7KHDGGLWLRQDOUHIULJHUDQWFKDUJLQJDPRXQW
SHUPHWHULVGL
f
IHUHQWDFFRUGLQJWRWKHGLDPHWHURIOLTXLGSLSH6HHWKH
following sheet.
$GGLWLRQDOUHIULJHUDQWFKDUJLQJDPRXQW
= prolonged length of liquid pipe ×
DGGLWLRQDOUHIULJHUDQWFKDUJLQJDPRXQWSHUPHWHU
15
25
15
30
15
30
20
30
25
30
Cooling
capacity
Max length
of connec-
tion pipe
Cooling
capacity
Max length
of connec-
tion pipe
5000Btu/h
(1465W)
7000Btu/h
(2051W)
9000Btu/h
(2637W)
12000Btu/h
(3516W)
18000Btu/h
(5274W)
24000Btu/h
(7032W)
28000Btu/h
(8204W)
36000Btu/h
(10548W)
42000Btu/h
(12306W)
48000Btu/h
(14064W)
0LQOHQJWKRIFRQQHFWLRQSLSHLVP
0D[OHQJWKRIFRQQHFWLRQSLSH
.
Configuration of connection pipe