26
Connection to the outdoor unit
2.
4.
3.
C
D
C
D
2x
Fig. 23
C
Liquid line
D
Hot gas line
1.
Remove the side cover: See page 19.
2.
Undo the nuts from connections
C
(liquid line) and
D
(hot gas line) of the refrigerant lines.
Types 221.C04 and 221.C06:
Slide the nuts onto the refrigerant lines prepared
on site.
Types 221.C08 to 221.C16:
Replace nuts with union nuts supplied (indoor unit):
■
⅝
UNF for liquid line
■
⅞
UNF for hot gas line
!
Please note
Contamination (e.g. metal swarf) or moisture
in the refrigerant lines will cause the appli-
ance to malfunction.
Point the pipe openings downwards or tem-
porarily plug them.
3.
Flare the pipe ends of the refrigerant lines.
or
Braze the solder connection of the Euro flanged
adaptors (accessories) using shielding gas.
4.
Secure the refrigerant lines. Tighten the nuts with
the torques shown in the following table.
5.
Apply thermal and vapour diffusion-proof insulation
to the refrigerant lines.
Installation sequence
Connecting the refrigerant lines
(cont.)
51
17 700 GB
Installation
