Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit
10
If the total refrigerant pipe length (liquid pipe) is smaller than that listed in the table below, no
additional refrigerant will be charged.
Table 7
Model Total Liquid Pipe Length (a+b+c+d+e)
≤
40m
36K
≤
40m
42K
≤
50m
Additional Refrigerant Charge2=∑Extra Liquid Pipe Length×22g/m
(
liquid pipe 1/4"
).
Note: if the total refrigerant pipe length is larger than that listed in the table above, the additional
refrigerant for the extra length of the pipe needs to be charged as per 22g/m.
3) Example : 42K
a
b
c
d
e
Fig.10
Table 8 Indoor Unit
Serial No. Model
Indoor Unit
⑤
Ducted Type GFH(09)EA-K3DNA1A/I
Indoor Unit
④
Ducted Type GFH(09)EA-K3DNA1A/I
Indoor Unit
③
Ducted Type GFH(09)EA-K3DNA1A/I
Indoor Unit
②
Ducted Type GFH(09)EA-K3DNA1A/I
Indoor Unit
①
Ducted Type GFH(18)EA-K3DNA1A/I
Table 9 Liquid Refrigerant Pipe
Serial No. e d c b a
Diameter φ6.35 φ6.35 φ6.35 φ6.35 φ9.52
Length 20m 20m 15m 5m 5m
The total length of each liquid refrigerant pipe is: e+d+c+b+a=20+20+15+5+5=65m. Thus, the
minimum additional refrigerant charge
=
(65-50)
×
0.022=0.33kg (Note: no additional refrigerant is
needed for the liquid pipe within 50m).
4) Additional Refrigerant Charge Record
Table 10 Indoor Unit
No. Indoor Unit Model Additional Refrigerant Charge(kg)
1
2
……
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