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5
Installation
Hydralic system
Regarding
the
hydraulic
system
(pipe
dimension,
valves
etc.)
please
refer
to
the
suppliers
drawings.
Heat pumps
Refer
to
the
manual
shipped
with
the
heat
pump.
Observe
especially
the
chapter
regarding
setting
the
heat
pump
in
Exotrol
Multi
mode.
The
setting
“b”
must
be
set
to
“3”.
Also
make
sure
that
the
setting
CAN
‐
id
is
set
unique
for
each
heat
pump,
setting
“C”.
Heat
pump
1
‐
>
C=0
(CanID
0)
Heat
pump
2
‐
>
C=1
(CanID
1)
Heat
pump
3
‐
>
C=2
(CanID
2)
Electrical installation
High voltage connections
Power supply
230V
N
PE,
max
10A
Number 1/2 – Radiator pump 1
Block
used
for
the
radiator
pump
to
heating
system
1.
If
a
3
‐
phase
400V
pump
is
used
this
signal
can
be
used
as
a
maneuver
signal
to
a
contactor.