21
Connection to the internal unit
2.
1.
3.
2x
D
C
D
C
D
C
C
Liquid line
D
Hot gas line
!
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.
Note
The refrigerant lines of the internal unit
are filled with nitrogen; overpressure
1 to 2 bar (0.1 to 0.2 MPa).
1.
Remove the nuts from refrigerant
connections
C
and
D
.
Type AWB/AWB-AC 201.B04:
Replace nuts with union nuts sup-
plied (
⁷
⁄
₁₆
UNF for liquid line, ¾ UNF
for hot gas line). Connect supplied
reducer with copper sealing ring.
Type AWB/AWB-AC 201.B07 to
B13, C10, C13:
Push the nuts onto the relevant refrig-
erant lines from the external unit.
Installation sequence
Connecting the refrigerant lines
(cont.)
5782 176 GB
Installation
