36
2.
!
Please note
Contamination (e.g. metal
swarf) or moisture must not
enter the copper pipes.
Therefore, hold the pipe open-
ings downwards or tempora-
rily plug them.
Undo the nuts from connections
C
and
D
on the refrigerant lines (liquid
line and hot gas line).
Type AWT-AC 241.A04
:
Slide the nuts onto the refrigerant
lines prepared on site.
Type AWT-AC 241.A07
,
A10
and
A13
:
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 nuts with the following torques:
Type AWT-AC Line
Connection
to external
unit
Torque in Nm
241.A04
Liquid line
7
6 mm
⁷
⁄
₁₆
UNF
14–18
Hot gas line
7
12 mm
¾ UNF
50–62
241.A07
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
241.A10
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
241.A13
Liquid line
7
10 mm
⅝ UNF
33–42
Hot gas line
7
16 mm
⅞ UNF
63–77
Connection to the internal unit
Note
We recommend using the pipe bends
supplied for connecting the refrigerant
lines. Depending on the installation con-
ditions, it may also be possible to con-
nect the refrigerant lines directly without
bends.
Installation sequence
Connecting refrigerant lines
(cont.)
5623 661 GB
