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Thermostat
General characteristics and functions
Electronic dial thermostat for room temperature control
(heating and air conditioning), KNX standard home automa-
tion system, class I temperature control device (contribution
1%) in ON/OFF mode, class IV (contribution 2%) in PID
mode, can be interfaced with actuator with KNX propor-
tional analogue outputs to implement a class V modulating
room thermostat (contribution 3%), 1 input for electronic
temperature sensor 20432, 19432 or 14432 or wired tempe-
rature sensor 02965.1, 1 programmable digital input, white/
grey LED backlighting - 2 modules. To be completed with
Eikon, Arké, Plana cover plates. For Idea, can be installed
using the dedicated mounting frame 16723.
General characteristics
Il termo The thermostat is fitted with a front dial to adjust the
setpoint (between 4°C and 40°C) and a central white LED
backlit display to show the measured temperature, and show the
setpoint only when the dial is being used. The circular ring around
the display, with RGB backlighting, displays all the thermostat
statuses. The device is fitted with 4 front buttons to be used for
setting. The thermostat, physical address, parameters and its
operation, etc. are configured via the ETS software.
Front view
A
D
F
• Short press = degrees Celsius/Fahrenheit selection
A
Configurable functions:
- send scene (only one scene)
B
- light ON/OFF button
- show external temperature from connected temperature sensor
- choice season (Heating/Cooling)
• off = thermostat off; on = thermostat on
C
• °C = degrees Celsius; °F = degrees Fahrenheit
• H = heating; C = air conditioning
D
• Rotation = set point increase (0.1 °C - 0.2 °F)
• Rotation = set point decrease (0.1 °C - 0.2 °F)
E
Illuminating circular ring
• Power on and off.
F
At power on or off, the thermostat starts in the last operating mode associated with it
G
• Short press = fan coil speed adjustment (0-1-2-3 or Proportional/Automatic)
B
C
E
G
Display
Dial
Circular ring
1
All lit amber* = thermostat in heating mode and relay active
All lit blue** = thermostat in air conditioning mode and relay active
All flashing red = thermostat locked, alarm state
• Lit amber* = thermostat in heating mode and relay not active
1
• Lit blue** = thermostat air conditioning mode and relay not active
* Amber with automatic colour; of the selected colour if monochrome.
** Blue with automatic colour; of the selected colour if monochrome.
Default behaviour
Thermostat OFF Protection mode
Thermostat ON Comfort mode
Behaviour after bus power on/off
Bus power off: -.
Bus power on: the status will be set based on the setting of the
parameters and the corresponding telegrams sent over the Bus.
Behaviour after reset
As for Bus power-on.
N.B.
The thermostat saves the comfort and standby setpoints
set manually by the user; if you wish to reset them, set the ETS
parameter "Reset Setpoint Shift in Economy Mode=YES".
When switched to "Economy" mode, the thermostat will reset
the STBY and CNF values.
5
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