46
After
connecting the power supply, one of the follow-
ing components
must
be connected at terminals X3.8
and X3.9:
■
Primary circuit pressure switch and/or frost stat
or
■
jumper supplied
Closing the heat pump
!
Please note
Leaking hydraulic connections lead to appliance
damage.
■
Check for leaks in the internal and on-site
hydraulic connections.
■
In the event of leaks, switch off the appliance
immediately. Drain liquid via the drain & fill
valve. Check the seating of seal rings.
Always
replace displaced seal rings.
!
Please note
If the casing is not securely sealed, this can lead
to damage from condensate, vibrations and
excessive noise.
■
Seal the casing door so it is soundproof and
diffusion-proof.
■
The outer panels must be fitted so as to be dif-
fusion-proof during operation. Only remove the
outer panels for maintenance and service
work.
Danger
The absence of system component earthing can
lead to serious injury from electrical current and
component damage in the event of an electrical
fault.
All earth conductor connections
must
be recon-
nected.
The appliance and pipework must be connected
to the equipotential bonding of the building.
For assembly: See page 12.
Installation sequence
Make connections at terminals X3.8/X3.9
6153640
Installation
