31
■ The external unit is pre-filled with
refrigerant R410A.
■ Install oil lift bends (see illustration)
into the vertical lines in the following
cases:
– 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.A04
201.A07
201.A10
201.A13
Max. line length of refrigerant
lines
20 m
30 m
30 m
30 m
Max. height differential of internal
unit – external unit
10 m
15 m
15 m
15 m
B
5000
A
5000
C
D
E
Example type AWB/AWB-AC 201.A07
A
Internal unit
B
External unit
C
Liquid line
D
Hot gas line
E
Oil lift bends
,
Flow direction for heating mode
,
Flow direction for cooling mode
Connection to the external unit
1. Type AWB/AWB-AC 201.A04 and
201.A07:
Remove the side cover, see
page 52.
Installation sequence
Connecting the refrigerant lines
5601 429 GB
Installation