Smart Temp SMT?770 Installer Manual - Factory
Other manuals for SMT?770:
Owner & User Manual, Installer Manual
Manual is about: Chameleon Multifunction
of
46
40
|
P a g e
It
is
essential
that
the
network
be
wired
as
a
daisy
chain
as
shown
in
fig
20.
Fig
21
&
22
show
examples
of
how
NOT
to
wire
a
ModBus
network.
Short
communication
runs,
1mm
(18
gauge)
twisted
pair
unshielded
wire
can
be
used,
however
for
longer
runs
or
where
electrical
noise
may
be
present
twisted
pair
with
shield
should
be
used.
Factory
Test
Mode
The
SMT
‐
770
is
fitted
with
a
simple
factory
Test
Mode
where
you
can
confirm
that
all
relays
outputs
functions
and
the
current
configuration
of
the
thermostat.
Ts
=
0
Factory
Test
Function
is
OFF.
Ts
=
1
Display
DIP
switch
configuration
code.
Ts
=
2
Relay
test
mode.
All
relays
cycle
on
then
off
in
an
endless
loop.
Ts
=
3
Factory
Software
reset
–
Press
Fan
button
to
confirm.
Figure
20
Figure
21
Figure
22