CH121K

Flush mounting thermostat (kit), battery operated

• 
• 
• 

CH121K FOR MORE INFO

• 
• 
• 
• 
• 
• 

• DESCRIPTION
• HOMOLOGATION AND INSTALLATION
• TECHNICAL LITERATURE

• DESCRIPTION
  0

  Electronic thermostat to control heating and air-conditioning installations.

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

  General features

  • LCD display: graphic, 7-segment symbols and digits.
  • LED, back lighting (blue) display.
  • Selection of backlight duration.
  • Possibility to visualize Celsius or Fahrenheit temperature values.
  • Minimum adjustment differential 0,1°C.
  • Maximum room temperature 45 °C.
  • IP20 protection degree.

  Electric features

  • Software class A.
  • Type of action: 1B (micro disconnection)
  • Voltage-free switching contact.
  • As the temperature increases, the thermostat opens contact 1-2 and closes contact 1-4.
• ADVANTAGES
  0

  Electronic thermostat to control heating and air-conditioning installations.

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

  Advantages
• TECHNICAL SPECIFICATION
• HOMOLOGATION AND INSTALLATION
  Homologation

  Complies with EN 60730-1 standards.
  ErP class: 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.

  With CH121K 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.

  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 programming

  OPERATION MODE:

  • 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 mode can be used as “antifreeze” mode (temperature can be set from 0 to 7°C) or to shutdown completely the system.

  SUMMER-WINTER control

• TECHNICAL LITERATURE
  • CH121K EN technical data sheet
  • CH121K EN instructions
  • CH121K conformity EU declaration
• FAQS