ELECTRICAL CHARACTERISTICS
Contact rating 5(3)A 250Vac.
Power supply without connection to the mains with 2 AAA 1.5V alkaline batteries for CH121.
Mains supply 230V-50Hz for CH123.
Micro-disconnection (1BU).
Voltage-free changeover contact.
Standards and approvals
Compliant with CEI EN 60730-1 and parts two.
ErP Classification: ErP Class IV; 2% (Reg. EU 811/2013 -813/2013)
INSTALLATION
Flush-mounting in 3-module box type 503 using 2 screws (supplied)
Connection to user with 2 wires.
Mount the thermostat 1.5 metres above the floor, away from kitchens, heat sources, windows and doors
ACCESSORIES INCLUDED IN THE PACKAGE
COMPATIBLE PLACES
Bticino Living International and Flat Transition; Bticino Living Light Air; Bticino Light, Light tech; Bticino Axolute; Bticino Axolue Air; Bticino Matix; Vimar Idea and Rondò; Vimar Plana and Eikon; Vimar Eikon; Vimar Arké Tecnopolimero; Gewiss Chorus One, Lux, Art ; Ave sistema 45: Zama, Banquise, Yes, Ral; Ave system 44: Zama, Personal, Technopolymer; Legrand Cross, Vela quadra, Vela tonda; ABB Elos; ABB Mylos.
FUNCTION
With CH123 it is not possible to remove the thermostat body.
The thermostat has:
- 4 front buttons for direct access to the
modes of operation that can be changed by pressing the
corresponding button.
DISPLAY
- Room temperature.
- 4 icons for programming
When the temperature rises, the thermostat opens contact 1-2 and closes contact 1-4
Modes of operation:
- COMFORT
- ECONOMY
- OFF can be used as an antifreeze mode of operation' or to switch the system off completely (OFF)
Temperatures that can be set:
- COMFORT operates the system on the comfort temperature that can be set from 2°C to 40°C.
- ECONOMY operates the system at a settable economy temperature from 2°C to 40°C.
- OFF temperature settable in regulation mode' from 0 to 7°C to guarantee the antifreeze function
SUMMER-WINTER management
features
Mixed LCD display: graphic, symbols and seven-segment digits
LED backlight (blue)
Choice of backlight duration.
Choice of temperature display in Celsius or Fahrenheit.
Maximum ambient temperature 45 °C
Adjustable differential.
Degree of protection IP20
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