23
Connecting refrigerant lines
■ 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.
Installation sequence
Installing the internal unit
(cont.)
5782 201 GB
Installation