MTD3 Basic Thermostat

This high-quality thermostat is designed to have a minimum of impact on the environment and will at the same time provide long-lasting heating comfort.

Notice: Discontinued product


MTD3 Basic Thermostat from OJ Electronics A/S

MTD3-1999All-in-one thermostat

Microline® Type MTD3 – All-in-one thermostat

This high-quality thermostat is designed to have a minimum of impact on the environment and will at the same time provide long-lasting heating comfort.

It is the perfect choice for new installations and for replacement of outdated thermostats.

Electronic thermostat suitable for flush mounting in a standard wall socket.

With floor sensor. For optimal comfort avoiding cold tiles during spring and autumn, or as protection against damaging wooden floors.

Built-in timer for automatic night setback and possibility to activate night setback or frost protection via external input.

  • Sleek design
  • User friendly / intuitive menu
  • Easy installation
  • Energy-efficient
  • Back-lit display
  • Protective cover included
  • Compliance with EN 50559 (hot spot protection)
  • ECO directive ready
  • Load up to 3,600W, 16A.
  • Offset adjustment
  • Floor sensor

MTD3-1999Product features

MTD3 has a temperature setting range of 0-40°C, a night setback, frost protection and limit temperatures to ensure comfort and protect property from excessive temperatures.
The thermostat comes with preset heating schedules suitable for most homes.


Product Documents

Product Sheets
Product Sheet, MTD3, English
File type/size:PDF ( 243.07 KB )
User Manuals
User Manual, MTD3-1999, English
File type/size:PDF ( 712.25 KB )
User Manual, MTD3-1999, Finnish
File type/size:PDF ( 896.54 KB )
User Manual, MTD3-1999, German
File type/size:PDF ( 899.51 KB )
User Manual, MTD3-1999, Russian
File type/size:PDF ( 909.51 KB )
User Manual, MTD3-1999, Swedish
File type/size:PDF ( 884.41 KB )
User manual, MTD3-1999, Polish
File type/size:PDF ( 900.56 KB )
Instrucitons, MTD3, (EN, PL, RU)
File type/size:PDF ( 645.13 KB )
Instructions, MTD3, English-UK
File type/size:PDF ( 254.49 KB )
Instructions, MTD3, Finnish
File type/size:PDF ( 433.31 KB )
Instructions, MTD3, German
File type/size:PDF ( 251.09 KB )
Instructions, MTD3, Swedish
File type/size:PDF ( 257.34 KB )
Instructions, MTD3-1999, Polish
File type/size:PDF ( 410.34 KB )
Instructions, MTD3-1999, Russian
File type/size:PDF ( 413.91 KB )


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