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DEVIreg™ Opti

Programmable Thermostat for Electric Floor Heating

DEVIreg™ Opti Programmable Floor Heating Thermostat is an advanced DEVI controller for electric underfloor heating, using a weekly timer, PWM regulation, and open-window detection to maximize comfort and reduce energy consumption in bathrooms, kitchens, living spaces, and renovations.
DEVIreg™ Opti Programmable Thermostat for Electric Floor Heating

Benefits

  • Programmable weekly heating schedule
  • Energy-saving PWM temperature control
  • Open-window detection function
  • Optimized comfort for electric floor heating
  • Low standby power consumption
  • Clear display with simple operation
  • Frost protection mode
  • Trusted DEVI quality and reliability

Specification

Operation voltage

220 - 240 V, 50/60 Hz

Standby power consumption

< 0,5 W

Resistive load

13A / 2990W @ 230V

Inductive load

1A (Cos Φ = 0,3)

Sensing unit

NTC 15 kΩ @ 25 °C, 3 m.

Regulation

PWM - Pulse Width Modulation

Ambient temperature

0 °C to 35 °C

Frost protection

5 °C to 9 °C (default 5 °C)

Temperature range

5 °C to 35 °C (room)
5 °C to 35 °C (45 °C with break out) (floor)

Storage temperature

-25 °C to 60 °C

Cable specification max.

1 x 4 mm2 and 2 x 2,5 mm2

Ball pressure test temperature

75 °C

Pollution degree

2 (domestic use)

Controller type

1 B

Software class

A

IP class

21

Protection class

Class II -

Dimensions (H/W/D)

85 mm x 85 mm x 44 mm (in-wall depth: 24 mm)

Weight

138 g

Warranty scope

20 years

Compliance

Standard compliance: EN/IEC 60730-1 (general) • EN/IEC 60730-2-9 (thermostat)

Compliance

Product variants

Choose a product variant to go for product page on Danfoss Store, where you can find more details and documents

Item no

Product name

Type

140F1055

DEVIregTM Opti - Pure White

RAL 9010

Documents