Hisense 12K - Refrigerant Length between Indoor and Outdoor

Installation and Maintenance
4.3 Refrigerant Length between Indoor and Outdoor
If the total tube length is between 5m to 50m (Max. length), an additional refrigerant can be added.
It's not necessary to add compressor oil.（Figure 4.5）Pay attention to the Max. tube length and Max.hight
difference allowed when perform this work.
Fig.4.5
19
Indoor unit
Tube length L
Height difference H
Outdoor unit
25(m) 15(m) 15(g/m)
30(m) 15(m) 15(g/m)
50(m) 30(m) 35(g/m)
Max. Tube
length(L)
Model
18K
24K/36K/
42K/48K/
60K
12K
Max. Height
difference(H)
Add.
Refrigerant
(exceed 5m)
Cut it off, if the bolts is too
long, or it will be
troublesome of the moving
in the future.
beton
anchor bolt
(Unit:mm)
Fig.4.2 The position of anchor bolts
Fig.4.3 The installation of anchor bolts
DC-Inverter Unitary Air Conditioner
A
B
C
D
E
F
d
12K
810
281
510
310
338
150
10×17
18K/24K
860
310
542
341
368
168
11 17×
36K/42K/48K/60K
950
340
580
378
410
185
15
Concrete base or alike
Min.10cm
Setscrew
(at least 4)
About 40cm
About 10cm
Fig.4.4