Fujitsu AB12 User Manual

Up to a pipe length of 7.5 m, charging with additional refrigerant is not necessary.
If the pipe length exceeds 7.5 m, charging with refrigerant is necessary.
Charge with additional refrigerant in the amounts shown in the table below.
Liquid pipe (mm) 12.7 9.53 6.35
Additional refrigerant
0.1 0.05 0.03
(R407C) (kg/m)
(1) Pipe length
(2) System type
It is necessary to add refrigerant to all connected Indoor unit.
Add refrigerant to the corresponding type as shown in the Table for every connected Indoor unit to the
refrigerant system.
Example : When AR30 x2 and AU18 x2 are connected to the refrigerant system.
" Additional charge of system type" is 1.0(kg)x2 +0.65(kg)x2=3.3(kg)
Model / Model code
AS
AU
AB
AR
7 9
0.65
12
0.65
14
0.9
0.65
18
0.65
0.65
0.7
24/25
0.9
0.8
20
1.0
1.0
30
0.9
0.8
1.0
36
1.5
1.0
2.0
45
1.5
1.0
54
1.0
60
amount of refrigerant (kg)
0.65
0.4
0.4
0.65
0.45
0.65
0.45
0.9
0.8
1.0
2.0
1.5
2.0
ADDITIONAL CHARGE
ADDITIONAL CHARGE = (1) + (2)
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Fujitsu AB12 Specifications

General

Brand	Fujitsu
Model	AB12
Category	Air Conditioner
Language	English