CONNECTING A FLOW SENSOR (OPTIONAL)
The I-Core
is
designed
to
operate
primarily
with
the
Hunter
HFS Flow
Sensors. However, some
non-Hunter
flow
sensors can
be
used.
1.
To
connect
a
Hunter
HFS F
low
Sensor,
route
the
pair
of
18
AWG
(1
mm) wires from
the
sensor
into
the
cabinet
(max distance
of
1,000 ft.).
2. Locate a
pair
of
S1
or
S2
(S3
available on I-
Core
Metal) sensor red
and
black terminals on
the
P
ower
and Accessories Terminals. Remove
the
jumper
wire
from
one
pair
or
S1
or
S2
terminals.
You
may use
either
pair
of
S1
or
S2
sensor
terminal
s
for
a fl
ow
sensor.
Connect
the
red
wire
from
the
HFS
to
the
red terminal,
and
the
black wire from
the
HFS
to
the
black terminal.
3. I-Core allows you
to
connect
two
flow
sensors at
one
time.
In
that
case,
one
of
the
flow
sensors
would
connect
to
the
red
S1
terminal
and
the
black
S1
terminal, while
the
second fl
ow
sensor
would
connect
to
the
red
S2
terminal
and
the
black
S2
terminal.
NOTE:
I-Core
has
only
one
Pump/Master
Valve
output
.
If
2
flow
sensors
are
used
on
2
different
points
of
connection,
only
one
of
them
will
have
a
master
valve
available
for
alarm
shutdowns
unless
the
single
PMV
is
configured
to
operate
2
master
valves
simultaneously.
Flow setup, learning, and configuration will
be
described later in
the
manual
under Advanced Features (pg.
22).
A complete step by step Flow Monitoring
procedure
is
also available
in
the Hidden Features section (pg.
29)
.
12
NOTE:
If
a
flow
sensor
is
going
to
be
connected
to
the
controller
and
flow
will
be
monitored,
there
is
critical
information
that
needs
to
be
read
in
the
Controller
Diagnostics
and
Troubleshooting
section
under
System
Status
Dashboard
Flow
.
It
is
very
important
to
understand
how
the
controller
will
monitor
flow
under
certain
circumstances
and
what
diagnostic
testing
will
be
performed
in
alarm
situations
.
Black
W
ire
H
unte
r H
FS
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