CH121

Flush mounting thermostat, with batteries

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CH121 FOR MORE INFO

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• DESCRIPTION
• ADVANTAGES
• TECHNICAL SPECIFICATION
• HOMOLOGATION AND INSTALLATION
• TECHNICAL LITERATURE

• DESCRIPTION
  0

  Flush-mounting room thermostat to control heating and air-conditioning installations

  Suitable for all the plates (3 module) thanks to the KIT consisting of: thermostat, coloured plates (white, silver and anthracite), frames and adaptors

  General features

  • The packaging includes:

  – 4 frames to provide compatibility with the most common plates
  – 3 coloured covers,
  – 3 special covers for Bticino Axolute and Ave Sistema 44, Eikon Evo,
  – 3 pairs of coloured adapters,
  – 1 pair of adapters for Bticino Matix.

  • LCD display: 7-segment symbols and digits.
  • LED, back lighting (blue) display.
  • Adjustable backlight duration.
  • Possibility to visualize Celsius or Fahrenheit temperature values.
  • Maximum ambient temperature 45 °C.
  • Settable differential.
  • Protection degree IP20.

  Electric features

  • Contacts rating: 5(3)A 250Vac.
  • Power supply without connection to the electric circuit with two 1,5 V AAA alkaline batteries for CH121.
  • Micro disconnection (1BU).
  • Voltage-free switching contact.
• ADVANTAGES
  0

  Flush-mounting room thermostat to control heating and air-conditioning installations

  Suitable for all the plates (3 module) thanks to the KIT consisting of: thermostat, coloured plates (white, silver and anthracite), frames and adaptors

  Advantages

  • Suitable for all the plates (3 module) thanks to the KIT consisting of: programmable thermostat, coloured plates (white, silver and anthracite), frames and adaptors
  • With CH121 it is possible to extract thermostat’s body from the frame after mounting and connections, this for doing more easily
    the adjusting or programming with the device in hand.
• TECHNICAL SPECIFICATION

  CODE	TEMPERATURE REGULATION RANGE	PRESCRIBED DIFFERENTIAL*	TEMPERATURE DISPLAYED RANGE	ADJUSTABLE ANTIFREEZE TEMPERATURE RANGE	POWER SUPPLY	CONTACTS RATING
  CH121	2 ÷ 40 °C	0.25 K	-40 ÷ 50 °C	0 ÷ 7 °C	2 batteries AAA 1.5V	5(3)A 250Vac
  		* Differential values are referred to a thermal gradient of 4K/h.

• HOMOLOGATION AND INSTALLATION
  Homologation

  • Complies with EN 60730-2-9 standards
  • ErP: ErP Class IV; 2% (Reg. EU 811/2013 -813/2013)

  Installation and use

  • Flush-mounting in 3-module 503 embedded boxes by means of 2 screws (supplied).
  • Two-wire connection with the user.
  • Install the thermostat at 1.5 meters above the floor, away from kitchens, heat sources, windows and doors.

   

  COMPATIBLE PLATES

  • Bticino Living International and Transizione Piana – Living Light Air – Living Now – Light, Light tech – Axolute – Axolue Air – Matix
  • Vimar Idea and Rondò – Plana and Eikon – Eikon Evo – Arké Technopolymer
  • Gewiss Chorus One, Lux, Art, Geo Technopolymer
  • Ave sistema 45: Zama, Banquise, Yes, Ral – Sistema 44: Zama, Personal, Technopolyimer
  • Legrand Cross, Vela quadra, Vela tonda
  • ABB Elos – Mylos

   

  • The thermostat has:
    -4 front keys to access directly the operating modes that can be changed by pressing the corresponding key..
  • VISUALIZATION
    – Ambient temperature
    – 4 icons for programmingTemperatura ambiente.
  • 3 operation modes:
    – COMFORT
    – ECONOMY
    – OFF.
  • 3 set temperatures:
    – COMFORT: operates system’s comfort temperature that can be set from 2°C to 40°C.
    – ECONOMY: operates system’s economy temperature that can be set from 2°C to 40°C.
    – OFF: temperature set in the “regulation” mode from 0 to 7°C to ensure frost protection function.
  • SUMMER-WINTER control. Possibility to connect a high or low limit temperature probe.
• TECHNICAL LITERATURE
  • CH121 EN technical data sheet
  • CH121 EN instructions
• FAQS