Honeywell DT90E wired digital room thermostat

Product code: 222423

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Product Description

The Honeywell DT90E digital room thermostat makes control of gas or oil-fired boiler systems, underfloor heating, electric heating and zoning systems easy. This thermostat includes a whole host of useful features including an ECO energy saving feature, an installer mode for complete personalisation and frost protection for peace of mind in the winter months. It also has an easy to read display with fault diagnostics displayed alongside day-today information such as room temperature, making the DT90E a valuable addition to any home.

Product Features

  • State of the art control performance qualifies thermostat as a load compensator
  • ECO button energy saving feature gives timed setback or boosts temperatures to reduce energy demand
  • Energy saving TPI control performance meets building regs
  • Advanced self-learning control adapts to the environment and ensures close temperature control with minimum energy usage
  • Slim, modern styling
  • Large high-contrast display with easy to read characters
  • Simple user interface
  • Temperature setting procedure eliminates risk of accidental setpoint change
  • Display shows room temperature with option to view setpoint
  • 5°C to 35°C setpoint range with 0.5°C increments
  • Temperature set via up or down buttons
  • Off/standby button, allowing manual switch off with frost protection active
  • Adjustable off/standby setpoint 5°C to 16°C or off
  • Powered by 2 x AA (LR6) alkaline cells
  • Up to 4 Yearss battery life (min 2 Yearss)
  • Battery low warning
  • Simply unclip front cover to change batteries
  • Installer Mode allows the thermostat to be customised to the user's requirements
  • NVRAM storage of setup parameters, ensuring these are never lost
  • Setpoint limits can be programmed
  • 24…230Vac SPDT potential-free contacts for simple two wire installation
  • Volt-free connection ideal for use with combination boilers or heating zones
  • 8A resistive, 3A inductive switch rating
  • Surface or switch-box mounting options
  • Sensor fault self-diagnostics
  • Heat/cool changeover operation mode

Web Pack Includes

Thermostat only