DEVI Basic Intelligent Electronic Timer Controlled Floor Thermostat With App Control Installation Guide

DEVI Basic Intelligent Electronic Timer Controlled Floor Thermostat With

App Control

Specifications:

• Product : DEVIregTM Basic
• Type: Intelligent electronic timer-controlled floor thermostat with App control
• Installation: Wall mounted in standard EU wall mount boxes
• Features : Adaptive timer support, control of total heating and comfort heating, compatible with 55×55 framing systems

Product Usage Instructions:

Introduction

he DEVIregTM Basic is an electrical floor heating thermostat designed for efficient control of your electrical floor heating system by floor temperature. It can be wall mounted in standard EU wall mount boxes for control of total and comfort heating of the room.

Standard Compliance

The product complies with relevant standards for electrical safety, electromagnetic compatibility, and Radio aspects. It operates in the 2.4 GHz band and is in compliance with Directive 2014/53/EU.

Safety Instructions

Before installation, ensure that the mains power supply to the thermostat is shut off. Refer to instructional videos on the manufacturer’s YouTube channel for detailed features and functions.

Installation Guidelines

For optimal performance:

• Install the sensor more than 50 cm from window and door openings.
• Avoid direct wet areas for installation.
• Ensure a bending radius of more than 50 mm for the Flexpipe.
• Place the floor sensor with equal distances between two heating cables (>2 cm).

Installation Steps :

1. Unpack the thermostat and check all parts are delivered.
2. Place the floor sensor in the Flexpipe ensuring proper fixation.
3. Ensure the bending radius of the Flexpipe is more than 50 mm.

FAQ:

• Q:  Can the DEVIregTM Basic be used in bathrooms?
• A: While the thermostat should not be installed in direct wet areas (Zones 0, 1, and 2), it can be installed in bathrooms following local regulations regarding IP classes.

Introduction

The DEVIreg™ Basic is an electrical floor heating thermostat with adaptive timer support which provides an efficient way to control your electrical floor heating system by floor temperature. The thermostat is special designed for wall mounted installation in standard EU wall mount boxes, in and on wall, and can be used for control of total heating as well as comfort heating of the room. The thermostat supports a selection of commonly used frame systems for 55×55 (inner geometry) framing systems. Among others, the thermostat has the following features:

• ECO design LOT20 compliance
• In App setup for specific flooring and room types.
• Support for 55×55 like frame systems.
• Simple knob operation for temp. control and features.
• Bluetooth connectivity on 2.4 GHz frequency at a maximum power of 10 dBm.
• Access to thermostat via App for settings for easy access, setup, or remote troubleshooting. Firmware update via DEVI Control App.
• Works out of box with default parameters as thermostat.

Standard Compliance

Electrical safety, Electro-Magnetic Compatibility and Radio aspects for this product is covered by the compliance with the following relevant standards:

• EN/IEC 60730-1 (general)
• EN/IEC 60730-2-7 (timer)
• EN/IEC 60730-2-9 (thermostat)
• EN 301 349-1 and EN 301 349-17 (EMC standard for radio equipment operating in the 2,4 GHz band)
• EN 300 328 (Efficient use of radio spectrum for radio equipment operating in the 2,4 GHz band)

SIMPLIFIED EU DECLARATION OF CONFORMITY

Hereby, Danfoss A/S declares that the radio equipment DEVIreg™ Basic is in compliance with Directive 2014/53/EU. The full Declaration of conformity can be found on https://assets.danfoss.com/approvals/latest/281716/ID455643625457-0101.pdf

Safety instruction

Make sure that the mains power supply to the thermostat is shut off before starting the installation.
Important: When the thermostat is used to control a floor heating element, always use a floor sensor, and never set the maximum floor temperature to more than the manufacturer recommends for the specific flooring type. The device is limited to 35 °C floor temperature, due to compliance requirements. In special cases the limit can be extended to 45 °C floor temperature after the unrecoverable breakout has been performed. Based on the setup in the app the thermostat has maximum temperature limitations imposed based on our recommendations.

• Electrical heating thermostats must always be installed according to local building regulations and wiring rules. Installation must be carried out by an authorized and/or qualified installer.
• The thermostat must be used in a wall mounted installation supplied through an all-pole disconnection switch (fuse).
• Do not expose the thermostat/switch to moisture, water, dust, and excessive heat.
• This thermostat/switch can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge, if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved, by a person responsible for their safety.
• Children should be supervised to ensure that they do not play with the thermostat/switch.
• The device is designed for permanent operation.

Instructional video material
To make it easy we show the features and functions of the product in videos that are present on our YouTube channel.

Installation Guidelines

Follow these guidelines when placing the thermostat for optimal user experience of the thermal control.

• Install the sensor more than 50 cm from window and door openings.
• The thermostat must not be installed in direct wet areas (Zones 0, 1 and 2). Always follow local regulations regarding IP classes, this doesn’t mean that the thermostats can’t be installed in bathrooms.
• Install the thermostat more than 50 cm from window and door openings.

Installation steps

1. Unpack the thermostat. Make sure all parts are delivered

(1 pc. thermostat unit ,1 pc. Power supply, 1 pc. Frame, and 1 pc. wire sensor) along with the instructions written in local official language.

|
2. Place the floor sensor in the Flexpipe and make sure the sensor element is properly fixed inside a Flexpipe. The Flexpipe must guide the sensor cable all the way to the wall/connection box. Our mats have this product included. sold separately as (140F1114).|

6.   Ensure that the wiring circuit is disconnected and voltage free, turn off the all-pole disconnect.

7.   Connect the wires according to the wiring diagram on back of the power supply of the thermostat. Ensure that the terminals are properly

fastened and wires are securely connected.

|
8. The screen/PE wire from the electric heating element must be connected to the PE wire from the main power supply using a separate connector.|

 |
---|---
Description| Illustration
13. The thermostat is now ready for use.| The thermostat does not require any settings to be performed in the app, however this will be required to modify advanced features, schedules and more.
14. Dismount thermostat front for replacement.| Perform steps 11 and 10 carefully in the mentioned order, detachment can be done without tools or with a flathead screwdriver.

Connection scheme

Technical specifications

Contact rating:

– Resistive load

– Inductive load

| ****

230 V ~ 16 A/3680 W

Cos φ = 0,3 max. 1 A

Floor sensor| NTC 15 kΩ @ 25 °C, 3 m. (default)*
Control| PWM (Pulse Width Modulation)
Temperature control range| Floor temperature: 5 °C to 35 °C (45 °C after breakout)
Ambient temperature range| 0 °C to 35 °C|
Frost protection| 4 °C to 14 °C (default value 5 °C)
IP class| 21|
Protection class| Class II –|
Maximum cable size| 1 x 4 mm2 or 2 x 2,5 mm2 /terminal
Controller type| 1B|
Software class| A|
Pollution degree| 2 (Domestic use)|
Over voltage category| III|
 |
---|---
Temperature for Ball pressure test| 75 °C
Storage temperature| -25 °C to 60 °C
Timer functions| 3 periods per day. Resolution of timer is 30 minutes.
Dimensions| 85 mm x 85 mm x 20-24 mm (in wall depth: 22 mm)
Weight| 194 g

• standard DEVI sensor 140F1091 3m

User Guide

• When knob is in temp adjustment mode the thermostat will not run the time schedule program.

 |
---|---
Knob position| Description
OFF| In this position the thermostat is not active.
__

Timer schedule / App communication

| In this position the thermostat is running in schedule mode.

In this position the thermostat is ready for App configuration/modification.

Frost protection| In this position the thermostat is operating in frost protection mode.
Temp adjustment| By turning the knob clockwise the temperature will increase (1..6)

User interface/ daily use
On the thermostat the temperature can be directly adjusted using the knob/dial by setting the indicator on the wanted floor temperature, this will disregard any schedule, however, still adhere to any set min/max limitations (can be set in the app).  The positions Frost protection, Timer schedule or OFF can be selected using the knob/dial. Selecting the Frost protection mode will see the thermostat ensure that the frost temperature is maintained, this value can be set between 4-14 °C (default 5 °C) in the app.

Selecting the timer schedule / app communication mode the device will be connectable in the DEVI control app, the communication is done via Bluetooth 4.2, where temperatures, settings, schedule, limits and more can be set to the desired level. Selecting the OFF mode will disable the thermostat completely. When the thermostat is in all other positions than Timer schedule/App communication the app can only display limited information, in OFF the app and thermostat will be completely OFF and nothing will be indicated or communicated to the app. To pair the thermostat with the app, place the thermostat in the App communication position and start the process in the app , the device will blink with the communication indicator. After the app has initiated the communication with the thermostat, the user needs to turn the dial out to manual temperature setting and back into the App communication position, this is to validate with what thermostat the paring is wanted.

 |  |
---|---|---
Dial setting| Approximate temperature| W. **Breakout***
1| 15| 15
2| 22| 25
3| 25| 30
4| 28| 35
5| 32| 40
6| 35| 45

Temperatures above are the temperatures that can be expected at the floor sensor location. Do not use breakout with thin heating mats.

Indicators

The indicators are shine through and are within the knob of the product, these will light up when needed.

All indicators fade out after a duration (default 20 seconds) unless an error is present. Additionally, indicators will “wake up” upon manual interaction with the thermostat, heating state change, schedule event, app connection or errors/warnings appearing.

 |
---|---
Heat indicator| •     This indicator lights up and turns red when the thermostat switches on and delivers current to the electric heating element. After some seconds the indicator fades out.

•     This indicator lights up and turns green when the thermostat is powered and OK. After some seconds the indicator fades out.

•     The indicator flashes red when an error is present, this will persist until error is alleviated, heating will not be activated/ activatable.

Data communication| •     This indicator flashes white when initiating data communication between the thermostat and communication device unit.

•     The indicator flashes in part of the paring process

•     The indicator is constant lightning white when communication between the thermostat and communication device is present.

The indicator turns off when communication stops.

 |
---|---
Schedule

| •     This indicator lights up white when the built in schedule changes from Non active to active and vice versa. After some seconds, the indicator fades out.

•     The indicator flashes in part of the paring process.

•     This indicator flashes white when there are warnings. The warning will be present until App communication is activated, however the indicator will only flash for a duration (default 20 seconds). Warnings will be displayed in

the App.

Default settings and out of the box settings.

The DEVIreg™ Basic will have the following settings out of the box: Maximum floor temperature: 28 °C Minimum floor temperature 5 °C If the thermostat is placed onto the schedule (clock) icon without having the app connected, the temperature is default 25 °C

Factory reset
To perform a factory reset the thermostat needs to be powered and correctly mounted, on the bottom of the device (circled below) is a pin hole, by pressing a needle into this pinhole a button will be activated, after 20-30 seconds of activation of this button the thermostat will perform a factory reset. All indicators will flash briefly to inform about successful factory reset. The thermostat will briefly be rebooting please allow for up to 5 seconds for the thermostat to be back to a responsive state. Performing an factory reset will reset errors and warnings. Alternative method, the front cover on the thermostat can be removed using the slot on the bottom of the thermostat and the button can be activated with a finger or similar. The factory reset can only be performed whilst the thermostat is powered.

Breakout
To enable the thermostat to go up to a floor temperature of 45 °C a permanent modification must be made, this can invalidate your warranty on the product and connected products.
The higher maximum temperature limit needs to be set in the app after the action has been performed. To best perform the action the thermostat unit needs to be dismounted from the power supply, on the back of the thermostat there is a hole as shown below, to perform the breakout the plastic seal in the hole needs to be broken and thereafter the PCB trace needs to be broken. The action is best performed with a flathead screwdriver or similar as shown below. whilst doing the breakout please take care not to damage any other components on the circuit board.

DEVI Control App:

DEVI Control App User Guide:

REFERENCE TO APP MANUAL
To pair the thermostat with the app, initiate the app and follow the instructions provided in the app.
App enabled functions

• wizard assisted installation
• scheduling
• pre-heating (adaptive heating)
• thermostat limits adaptation
• child lock
• settings lock
• warning and error readout
• information export
• help function
• complete overview of data and functions

Warnings and error messages Warning table

__

W1

| Schedule overwritten due to manual dial setting| Set when Schedule is active (Set in App) but dial has been turned to set a manual setpoint
__

W2

| __

Invalid clock

| If time is totally invalid – less than 2021 or above 2050 or use production date or first time connected to App
__

W3

| __

Child lock is enable

| Will be active if child lock is enable and the user tries to change the setpoint or mode with the potentiometer (or encoder)
__

W5

| __

Set temperature not achievable

| Warning given when the room/floor temperature from schedule or manual setpoint can’t be reached within 40 PWM periods (Output from heating control)
__

W8

| Maximum Floor Temperature Limit reached| Set if Maximum Floor Temperature is reached while in Combi Mode while Room Temperature is not at Set point
__

W10

| Temperature set above maximum temperature limit| Set, if maximum temperature is lower than the current temperature knob/potentiometer is pointing at. Like Max set to 25°C and knob is set to 27°C
Error type| No| Description| Solution| Need restart
---|---|---|---|---
Floor Sensor disconnected| E1| Connection to sensor

is lost

| Contact installer or local Danfoss service| The thermostat requires a restart to operate again
Floor Sensor short- circuited| E2| Sensor short- circuited| Contact installer or local Danfoss service| The thermostat requires a restart to operate again
Thermostat overheated| E3| Thermostat is over- heated, heating is turned off.| Wait until thermostat cools down| The thermostat needs no restart but will start heating when the temperature is lowered
Room sensor disconnected| E4| Room tem- perature sensor value too low.| Contact installer or local Danfoss service| Not Applicable for DEVIreg Basic
Room sensor short- circuited| E5| Room tem- perature sensor value too high.| Contact installer or local Danfoss service| Not Applicable for DEVIreg Basic
 |  |  |  |
---|---|---|---|---
Error type| No| Description| Solution| Need restart
Unrecover- able error, Power supply| E6| Power supply is detected as defective| Contact installer or local Danfoss service|
Potentiom- eter / dial error| E9| Potenti- ometer is detected as defective| Contact installer or local Danfoss service| The potentiometer is reading a value that is outside of the given range
Invalid com- munication| E10| Bluetooth communi- cation error| Retry / Contact installer or local Danfoss service| Bluetooth communication has encountered an unexpected / faulty command
Unrecover- able error| E11| Unrecover- able error| Contact installer or local Danfoss service|

Factory reset will reset all errors and warnings.

Eco Design Sheet

To comply with ECO design regulations for electric local space heaters 1188/2015 the following table is to be filled in with the specifics of the heating system. Herein the thermostat information for this specific product is prefilled, please fill any/all blank slots.
Information requirements for electric local space heaters

Model identifier(s): DEVIreg™ Basic

Item| Sym- bol| Value| Unit| Item| Unit
Heat output| Type of heat input, for electric storage local space heaters only (select one)

Nominal heat output

| ****

P nom

|  | ****

kW

| manual heat charge control, with integrated thermostat| **** [yes/no]

Minimum heat output (indicative)

| ****

P min

|  | ****

kW

| manual heat charge control with room and/ or outdoor temperature feedback|

[yes/no]

Warranty

A 2-year product warranty is valid for:

• thermostats incl. DEVIreg™ Basic.

Should you, against all expectations, experience a problem with your DEVI product, you will find that Danfoss offers DEVIwarranty valid from the date of purchase that was no later than 2 years from production date on the following conditions: During the warranty period Danfoss shall offer a new comparable product or repair the product if the product is found to be faulty by reason of defective design, materials or workmanship. The decision to either repair or replace will be solely at the discretion of Danfoss. The decision to either repair or replace will be solely at the discretion of Danfoss. Danfoss shall not be liable for any consequential or incidental damages including, but not limited to, damages to property or extra utility expenses. No extension of the warranty period following repairs undertaken is granted.

The warranty shall be valid only if the WARRANTY CERTIFICATE is completed correctly and in accordance with the instructions, the fault is submitted to the installer or the seller without undue delay and proof of purchase is provided. Please note that the WARRANTY CERTIFICATE must be filled in, stamped and signed by the authorized installer performing the installation (Installation date must be indicated). After the installation is performed, store and keep the WARRANTY CERTIFICATE and purchase documents (invoice, receipt or similar) during the whole warranty period. DEVIwarranty shall not cover any damage caused by incorrect conditions of use, incorrect installation or if installation has been carried out by non-authorized electricians. All work will be invoiced in full if Danfoss is required to inspect or repair faults that have arisen as a result of any of the above. The DEVIwarranty shall not extend to products which have not been paid in full. Danfoss will, at all times, provide a rapid and effective response to all complaints and inquiries from our customers.

The warranty explicitly excludes all claims exceeding the above conditions. For full warranty text visit www.devi.com.devi.danfoss.com/en/warranty/

WARRANTY CERTIFICATE

Disposal instruction

This symbol on the product indicates that it may not be disposed of as household waste. It must be handed over to the applicable take-back scheme for the recycling of electrical and electronic equipment.

• Dispose of the product through channels provided for this purpose.
• Comply with all local and currently applicable laws and regulations.

Danfoss A/S
Nordborgvej 81
6430 Nordborg
Denmark

Danfoss A/S

• DEVI
• devi.com
• +45 7488 8500
• E-Mail: EH@danfoss.com

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifcations already agreed. All trademarks in this material are property of the respective companies. DEVI and all DEVI logotypes are trademarks of Danfoss A/S. All rights reserved.

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>