20
2.
!
Please note
Contamination (e.g. metal
swarf) or moisture must not
enter the copper pipes.
Therefore, hold the pipe open-
ings down or plug them.
Remove the nuts from connections
C
(liquid line) and
D
(hot gas line)
of the refrigerant lines.
Type AWB/AWB-AC 201.B04:
Slide the nuts onto the refrigerant
lines prepared on site.
Type AWB/AWB-AC 201.B07 to
B13, C10, C13:
Replace nuts with the supplied union
nuts (internal unit) (⅝ UNF for liquid
line, ⅞ UNF for hot gas line).
3.
Flare the pipe ends.
4.
Secure the pipes.
Tighten the nuts with the following torque:
Type
AWB/
AWB-AC
Line
Connection to
external unit
Torque in Nm
201.B04
Liquid line
7
6 mm
⁷
⁄
₁₆
UNF
14–18
Hot gas line
7
12 mm
¾ UNF
50–62
201.B07
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
201.B10
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
201.B13
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
201.C10
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
201.C13
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
Installation sequence
Connecting the refrigerant lines
(cont.)
5782 176 GB