Table of Contents
Advertisement
16 Installation Details
16.1.1 Wrench torque sheet for installation
Outside diameter
mm
Ф6.35
Ф9.52
Ф12.7
16.1.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
Rated current of appliance
The cable size and the current of the fuse or switch are determined by the maximum current indicated on the
nameplate which located on the side panel of the unit. Please refer to the nameplate before selecting the
cable, fuse and switch.
16.1.3 Pipe length and the elevation
Maximum piping length and height difference
Max. length for all rooms (m)
Max. length for one IU (m)
Max. height difference between IU and OU (m)
Max. height difference between IUs (m)
Additional refrigerant charge
Chargeless pipe
length (m)
Additional
15 x (length for all
refrigerant charge
(g)
Caution:
● Refrigerant pipe diameter is different according to indoor unit to be connected. When using the
extension pipe, refer to the tables below.
>3 and ≤6
>6 and ≤10
>10 and ≤16
>16 and ≤25
1 drive 2
15
15 x (length for all
rooms - 15)
Torque
N.cm
1500(153kgf.cm)
2500(255kgf.cm)
3500(357kgf.cm)
Nominal cross-sectional area (mm² )
1 drive 2
40
25
15
10
1 drive 3
22.5
15 x (length for all
rooms – 22.5)
51
Additional tightening torque
N.cm
1600(163kgf.cm)
2600(265kgf.cm)
3600(367kgf.cm)
0.75
1
1.5
2.5
1 drive 3
1 drive 4
60
80
30
35
15
15
10
10
1 drive 4
30
15 x (length for all
rooms – 37.5)
rooms - 30)
1 drive 5
80
35
15
10
1 drive 5
37.5
Advertisement
Chapters
Table of Contents
