Service manual
DM15-01.01.11-01en
32
Multi DC inverter R410A. Outdoor unit
9.
Installation Details
9.1 Wrench torque sheet for installation
Outside diameter
Torque
Additional tightening torque
mm N.cm N.cm
Ф
6.35 1500(153kgf.cm)
1600(163kgf.cm)
Ф
9.52 2500(255kgf.cm)
2600(265kgf.cm)
Ф
12.7 3500(357kgf.cm)
3600(367kgf.cm)
9.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
Rated current of appliance
Nominal cross-sectional area (mm²)
>3 and
≤
6 0.75
>6 and
≤
10 1
>10 and
≤
16 1.5
>16 and
≤
25 2.5
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.
9.3 Pipe length and the elevation
Maximum piping length and height difference
1 drive 2
1 drive 3
1 drive 4
1 drive 5
Max. length for all rooms (m)
30 45 60 75
Max. length for one IU (m)
20 25 30 30
Max. height difference
between IU and OU (m)
OU higher than IU
10 10 10 10
OU lower than IU
15
15
15
15
Max. height difference between IUs (m)
10 10 10 10
Additional refrigerant charge
1 drive 2
1 drive 3
1 drive 4
1 drive 5
Chargeless pipe
length (m)
10 15 20 25
Additional
refrigerant charge
(g)
15 x (length for all
rooms - 10)
15 x (length for all
rooms - 15)
15 x (length for all
rooms - 20)
15 x (length for all
rooms - 25)
Caution:
