34
6. Check the internal and on-site hydraulic connec-
tions for leaks.
!
Please note
Leaking hydraulic connections lead to appli-
ance damage.
■
Check the internal and on-site hydraulic
connections for leaks.
■
In the event of leaks, drain off liquid via the
drain valve. Check the seating of seal
rings. Always replace displaced seal
rings.
Note
The secondary circuit air vent valve is located in
the indoor unit. To vent, connect the hose to the
secondary circuit air vent valve. Route the hose
outwards.
Observe additional information regarding filling and
venting: See "Filling and venting on the secondary
side".
7. Thermally insulate lines inside the building. For
heat pumps with a cooling function, use thermal
and vapour diffusion-proof insulation.
8.
Connect safety valve drain hose
F
to the drain
network with a fall and a pipe vent.
Installation sequence
Connecting the secondary circuit (cont.)
6199592
Installation
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