17
16.
Technical data
eSTER_x40
thermostat
power
supply
2 x AA (LR6) 1,5V -
alkaline batteries
ISM_xSMART
radio
module power supply
5..12 VDC - directly
from
the
main
controller socket
Degree of protection
for the thermostat /
radio module
IP 20 / IP 40
Relative humidity
5…85% without steam
condensation
Storage temperature
of the thermostat and
radio module
-10..60
C
Working temperature
of the thermostat and
radio module
5..35
C
Communication
Bi-directional ISM radio
communication
The band of radio
transmission
ISM 868 MHz,
(the band
865…868
MHz)
Transmission power of
the thermostat and
radio module
20 mW (+13 dBm)
Radio
network
topology
One radio module and
many
subordinate
thermostats
Display
LCD with backlight
Controlling
Capacitive buttons
Dimensions
Thermostat:
87 mm x 87 mm x 27,3
mm
Radio module:
70 mm x 50 mm x 7,7
mm
Thermostat / radio
module weight
0,2 kg / 0,16 kg
The
thermostat
installation method
On the wall or free-
standing
The
module
installation method
On the wall
Composition of the set:
- eSTER_x40 thermostat
1 piece.
- thermostat stand
1 piece.
- ISM_xSMART radio module
1 piece.
- AA LR6 battery
2 pieces.
17.
Storage and transport conditions
The thermostat and radio module must not
be exposed to the direct influence of
atmospheric conditions, i.e. rain and sun
rays, and vibrations higher than typical
during road transport. Storage and transport
temperature should not exceed -
10…60°C.
18.
Description of possible faults
Symptoms
Tips
The thermostat
is not working.
The
display
shows nothing.
Check the correct installation
of the battery - point 14.1 or
whether the batteries used are
not discharged.
The thermostat
is working but
there
is
no
backlight
on
the display.
This is a normal phenomenon
that occurs with partially
discharged
batteries.
The
thermostat is still working
correctly. If the backlight is
required, replace the batteries
with new ones - point. 14.1
Buttons
for
changing
settings do not
work.
Check if the buttons are not
blocked and if necessary
disable the child lock - point 9
(item 16).
The thermostat
does not start
the
heating
mode.
The preset temperature may
be lower than the current room
temperature - increase the
preset temperature.
The
radio
module can’t be
paired with a
thermostat or
several
thermostats.
The cause may be a lack of
coverage. For the time of
pairing with the radio module,
place the thermostat near this
radio module.
The battery in
the thermostat
is discharging
too quickly.
Check that the batteries used
comply
with
the
recommendations and are of
good quality. The cause may
also be frequent attempts to
connect the thermostat with
the radio module, eg during
longer interruptions in the
power supply of the main
controller.
Revision history
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Summary of Contents for eSTER x40
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