Clean the heat exchanger from all
4.
sides under running water and dry
it.
Clean the opening with a soft,
5.
damp cloth.
Push the heat exchanger
6.
horizontally in as far as it will go.
Make sure the heat exchanger
shear with the handle
to insert enough
The ground unit s
7.
→ Page 37 .
point down
n.
close
Cleaning and carede
Close ground unit
Requirement:The ground unit is open.
→
"Open the ground unit", page 35
Install the heat exchanger cover on
1.
the handle.
Close the heat exchanger cover
2.
levers.
Close the maintenance flap.
3.
37