Airo GORBEA R32 Manual De Usuario E Instalacion página 55

Installation Instructions
● Allowable Length and Height Fall of the Refrigerant Pipe
Table 6
Totlal Length(m)
Max. Length for Single
Unit(m)
Outdoor unit
Max.
and indoor unit
installation
Indoor unit and
altitude
indoor unit
Table 7 Dimension of the Refrigerant Pipe of the Indoor Unit
Capacity Level of the Indoor Unit
07、09、12
● Piping between the Indoor and Outdoor units
1. Refer to Table 8 for the moments of torque for tightening screws.
2. Let the flare end of the copper pipe point at the screw and then tighten the screw by hand.
3. After that, tighten the screw by the torque wrench unit it clatters (as shown in Fig.7).
4. The bending degree of the pipe cannot be too small, otherwise it will crack. And please
use a pipe tube bender to bend the pipe.
5. Wrap the exposed refrigerant pipe and the joints by sponge and then tighten them with the
plastic tape.
Pipe
Allowable Length
18K 24K 28K 36K 42K
30 60
15 20
5 10
5 5
18
24
Flare Nut Pipe
70 70 80
L1+L2
20 20 25
10 15 15
5 7.5 7.5
Gas Pipe (mm)
Φ9.52
Φ12.7
Φ15.9
Torque
Wrench
Fig.7
Pipe
53
Refrigerant Pipe
18K 24K 28K
L1+L2+ L1+L2+
L3 L3+L4
LX
H1
H2
Liquid pipe (mm)
36K 42K
L1+L2+
L1+L2+
L3+L4+
L3+L4
L5
Φ6.35
Φ6.35
Φ6.35
Ordinary
Wrench
Flare Nut
Pipe