LMS
‐
BMS
Operating
Manual
Page
3
NOTE:
If the displayed temperature shows a consistent high (> 212°F) or low (< -148°F) value,
most likely, the probe has failed.
Probe
Installation
RTD
sensors
supplied
with
the
LMS
‐
188
‐
4P
should
be
installed
using
the
supplied
fittings,
which
are
1/2”
MNPT
x
1/8”
compression.
After
installing
the
fitting
into
a
tee,
insert
the
RTD
into
the
fitting
and
adjust
the
depth
of
the
probe
so
as
the
tip
of
the
probe
is
approximately
at
the
center
of
the
piping.
Tighten
the
nut
finger
tight,
then
with
a
small
wrench
turn
the
nut
1/4
to
1/2
turn
past
finger
tight.
Warning
–
do
not
overtighten.
Power
‐
up
Shows LMS-188-4P-BMS startup screen.
NO BATTERY
Power Down + Install Battery
The unit will run without a backup battery but will show “NoBatt!” on the display to indicate
lack of backup battery.
When a battery is properly installed battery status is shown on the display
up arrow
charging
solid block
full charge
flashing block or
block with blank lines
battery problem
Power
‐
down
Sequence
To shut off the battery to allow complete power down:
Tap the TEST/RESET button to enter relay test, then unplug unit.
Alternately you may Press-and-Hold the TEST/RESET button to trigger a hardware reset, and
while the screen is blank unplug the unit and then Release the button.
Runtime
Display
The runtime display shows the current readings of 4 probes. T1 Hot, T2 Cold, T3 Mixed and T4
Return.
1: 147'F
2: 55'F
3: 120'F
4: 110'F
