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Devireg™ 535 Installation manual Warning! This manual is only to be used by a professional installer to install and set up the thermostat properly. It is not intended for the end-user!
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Congratulations with… ... your DEVI floor heating system. Your property has been installed with a DEVI electric floor heating system. DEVI is Europe’s leading floor heating man- ufacturer, with over 45 years experience. We are confident that you will be satisfied with your new system.
Install & configure the thermostat Placement of Devireg™ 535 When Devireg™ 535 is used as a room sensor, installation height should typi- cally be between 80-150 cm. In wet rooms it should be installed on an even surface, according to local building regulations.
Installation and connection Installation of Devireg™ 535 1. To remove the front cover, gently press the release tabs under the bottom of the thermostat with a screwdriver. Then remove the front. Removing the front cover and pushing the installation button, is not intended to be done by anyone else but a qualified installer!
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Be aware that without a floor sensor, the temperature control can be less accurate, and overheating of the floor is of higher risk. DEVI recommends that a floor sensor is always installed. When the thermostat is used to control a floor heating...
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Configuration - sensor Selection of sensor type Power on the thermostat. With the front off, with a small screw- driver, pencil, or needle press the installation button. Select the sensors to be used for the heating system: Devireg 535 is able to use two sensors: - a built-in room sensor - an external sensor to be placed...
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Configuration - Max. floor temp. Maximum floor temperature. When selecting either floor sensor or floor and room sensors, next screen is maximum floor temperature. Default setting is 35°C. To change this setting, press • and ▲▼ use the arrow buttons to select your choice.
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Configuration - Scale Scale If you select Devireg 535 to only use a floor sensor, mode , you have to select the display type. The choice is either numerical scale 1-6 or Celcius scale 5° to 45°. Default is Celcius scale. When select- ing Celcius, the display will show the actual temperature at the floor sensor.
Trouble shooting Clock symbol flashing: Time settings were lost due to power cut. The thermostat resumes to manual mode. E4 flashing in display: Error code 4 – The thermostat has overheated and has switched off Let the thermostat cool for period. Then switch the thermostat off and on.
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