6. Installation
15
MULTI V Water IV
Heat Pump
Installation of Outside Units
2.
Water pipe connection
• The water pipe should be the same size of the connection on the product or more.
• If necessary install the insulation material in the water pipe inlet/outlet to prevent water drop, freeze and to
save energy. (Use the above 20mm thickness Pe insulation material.)
• Tightly connect the socket to the water pipe refer to below table for recommended specification.
(Too much torque may cause the damage of the facility.)
Pipe thickness
Shear stress
Tensile stress
Bending moment
Torque
mm
inch
(kN)
(kgf)
(kN)
(kgf)
(N.m)
(kgf.m)
(N.m)
(kgf.m)
12.7
1/2
3.5
350
2.5
250
20
2
35
3.5
19.05
3/4
12
1,200
2.5
250
20
2
115
11.5
25.4
1
11.2
1,120
4
400
45
4.5
155
15.5
31.8
11/4
14.5
1,450
6.5
650
87.5
8.75
265
26.5
38.1
11/2
16.5
1,700
9.5
950
155
16
350
35.5
50.8
2
21.5
2,200
13.5
1,400
255
26
600
61
Water pipe
connection
Water pipe inlet
Water pipe outlet