Smart Temp SMT?770 Installer Manual - Attaching
18
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P a g e
Attaching
the
thermostat
Check
that
the
position
of
the
8
DIP
switches
matches
the
requirements
of
the
equipment
being
controlled
and
the
specific
requirements
of
the
user.
Detailed
information
on
the
8
DIP
switches
can
be
found
on
page
6
of
this
manual.
Check
the
wiring
matches
that
of
the
equipment
the
SMT
‐
770
is
to
control
and
that
all
wiring
is
tight
and
not
likely
to
short
between
adjacent
wires.
Equipment
wiring
information
can
be
found
on
page
12
of
this
manual.
If
using
the
ModBus
communication
capability
of
the
SMT
‐
770,
ensure
the
“A”,
“B”
&
“T”
data
wires
are
in
the
correct
position
as
an
error
here
may
affect
the
communication
of
the
entire
network.
See
page
38
for
detailed
wiring
of
the
communications
port
of
the
SMT
‐
770.
Using
masking
tape
or
similar,
block
the
hole
in
the
wall
where
the
wiring
enters
the
back
of
the
thermostat
to
prevent
drafts
that
may
travel
down
the
inside
of
the
wall
cavity
affecting
the
accuracy
of
the
internally
fitted
temperature
sensor.
Figure
14