17
■ The external unit is pre-filled with
refrigerant R 410A.
■ In the following cases, fit oil lift bends
in the vertical pipe (see diagram
below):
– In heating mode, if the internal unit
is installed higher than the external
unit.
– In cooling mode, if the internal unit is
installed lower than the external unit.
Routing refrigerant lines
Type AWB/AWB-AC
201.B04
201.B07
201.B10
201.C10
201.B13
201.C13
Refrigerant lines
Min. line length
3 m
3 m
3 m
3 m
Max. line length
20 m
30 m
30 m
30 m
Max. height differential, internal
unit – external unit
10 m
15 m
15 m
15 m
Note
No topping up is required for line lengths
between 3 and 12 m.
B
5000
5000
C
D
E
A
Example type AWB/AWB-AC 201.B07
A
Internal unit
B
External unit
C
Liquid line
D
Hot gas line
E
Oil lift bends
,
Flow direction in heating mode
,
Flow direction in cooling mode
Installation sequence
Connecting the refrigerant lines
5782 176 GB
Installation
