Hi
‐
T
Centralized
controller
44
8
The
HNSbox
8.1
FUNCTIONS
The
HNSbox
has
been
conceived
to
get
the
greatest
flexibility
and
adaptability
as
for
the
connection
among
the
hydronic
units
and
the
HYDRONIC
NET
SYSTEM
managing
system.
Find
below
the
connecting
logic
layout
of
the
HNS
system
components:
8.2
HNSbox
DESCRITPION
The
HNSbox
is
made
up
of
the
following
components:
•
DRAL
‐
NET,
control;
•
SB,
serial
adaptor;
•
2.5
mm
2
terminal
board
(“Mammut”
model
type);
•
IP56
Gewiss
44207
box;
•
Power
cables;
•
Signal
cables.
WARNING:
The
connections
described
in
the
wiring
diagrams
(power
and
signal
connections)
of
this
manual
have
to
be
realized
only
by
QUALIFIED
PERSONNEL.
Make
sure
to
get
the
power
supply
disconnected
before
any
intervention
on
the
unit.
The
HNSbox
(IP56
GW44207
Gewiss
box)
can
be
installed
close
to
the
hydronic
unit,
wall
built
‐
in
or
on
the
side
of
the
hydronic
unit,
in
case
of
fan
coils
with
or
without
body,
or
upon
the
false
ceiling,
in
case
of
hydronic
cassette
types
or
ducted
types
installed
onto
the
false
ceiling.
Should
you
decide
to
install
the
box
in
the
hydronic
unit,
make
sure
not
to
drill
the
water
and/or
the
finned
battery
piping,
not
to
damage
possible
electrical
cables
and,
by
and
large,
not
to
alter
the
hydronic
unit’s
working
integrity.
Summary of Contents for HI-T
Page 55: ......
