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Number 3/4/5- Mixing valve motor 1
Block
used
for
the
mixing
valve
motor
to
heating
system
1.
Number 6/7- Radiator pump 2
Block
used
for
the
radiator
pump
to
heating
system
2.
If
a
3
‐
phase
400V
pump
is
used
this
signal
can
be
used
as
a
maneuver
signal
to
a
contactor.
Number 8/9/10 – Mixing valve motor 2
Block
used
for
the
mixing
valve
motor
to
heating
system
2.
Number 11/12 – Radiator pump 3
Block
used
for
the
radiator
pump
to
heating
system
3.
If
a
3
‐
phase
400V
pump
is
used
this
signal
can
be
used
as
a
maneuver
signal
to
a
contactor.
Number 13/14/15 – Mixing valve motor 3
Block
used
for
the
mixing
valve
motor
to
heating
system
3.
Number 16/17 – Hot water recirculation pump
Block
used
for
the
mixing
valve
motor
to
heating
system
3.
Number 18/19/20 – Changing valve
Block
used
for
changing
valve
between
tank
1
and
tank
2.
Observe
that
output
19
is
a
direct
line,
i.e.
the
motor
must
be
a
2
‐
point
motor.
Number 21/22 – External heat step 1
Block
used
if
external
power
sources
should
be
controlled
from
Exotrol
Multi
.
Observe
that
the
output
is
a
digital
out,
230V.
Number 23/24 – External heat step 2
Block
used
if
external
power
sources
should
be
controlled
from
Exotrol
Multi
.
Observe
that
the
output
is
a
digital
out,
230V.
Number 25/26 – External heat step 3
Block
used
if
external
power
sources
should
be
controlled
from
Exotrol
Multi
.
Observe
that
the
output
is
a
digital
out,
230V.
Number 27/28 – Extra digital out
Not
used.