Danfoss DEVIreg 233 User manual

www.DEVI.com

Installation Guide

DEVIreg™ 233

Electronic Thermostat

DEVIreg™ 233

Installation Guide2

1 Introduction � � � � � � � � � � � � � � � � � � � � � 2

1.1 Technical Speciﬁcations . . . . . . . . . . . 3

1.2 Safety Instructions . . . . . . . . . . . . . . . 4

2 Mounting Instructions � � � � � � � � � � � � � � � 5

3 Settings � � � � � � � � � � � � � � � � � � � � � � � � 7

4 Warranty� � � � � � � � � � � � � � � � � � � � � � � � 9

5 Disposal Instruction � � � � � � � � � � � � � � � 11

1 Introduction

DEVIreg™ 233 is an electronic thermostat designed to be

ﬂush-mounted or wall-mounted in an installation box

from the LK FUGA series. The thermostat is provided with

a 1- pole switch, and a ﬂoor sensor to measure and control

the desired ﬂoor temperature. It can also be used with an

external room sensor.

The thermostat has a button to adjust the temperature

setting with a scale from (0) 1 to 6 (each step corresponds

to approximately 8 °C). Furthermore, the thermostat has an

LED indicator showing standby and heating periods.

More information on this product can also be found at:

devireg�devi�com

Table of Contents

DEVIreg™ 233

3Installation Guide

1�1 Technical Speciﬁcations

Operation voltage 220-240 V~, 50 Hz

Standby power consumption

Max 1.7 W

Relay:

Resistive load

Inductive load

Max 13 A / 2990 W @ 230 V

cos φ= 0.3 max 1 A

Sensing units NTC 15 kOhm at 25 °C

Sensing values:

0 °C

25 °C

50 °C

42 kOhm

15 kOhm

6 kOhm

Hysteresis ± 0.4 °C = 0,8 °C

Ambient temperature 0 °C to +40 °C

Frost protection temperature 5 °C -

Temperature range (0)+5 °C to +45 °C

Cable speciﬁcation max 1 x 4 mm² or 2 x 1,5 mm²

Ball pressure temperature 75 °C

Pollution degree Degree 2 (domestic use)

Type 1C

Storage temperature -20 °C to +65 °C

IP class 41(only by vertical installation)

Protection class Class II -

DEVIreg™ 233

Installation Guide4

Dimensions 71x 44 x 31mm

(in-wall depth: 20mm)

Weight 77 g

The product complies with the EN/IEC Standard“Automatic

electrical controls for household and similar use”:

• EN/IEC 60730-1 (general)

• EN/IEC 60730-2-9 (thermostat)

1�2 Safety Instructions

Make sure the mains supply to the thermostat is turned oﬀ

before installation.

IMPORTANT: When the thermostat is used to control a

ﬂoor heating element in connection with a wooden ﬂoor or

similar material, always use a ﬂoor sensor and never set the

maximum ﬂoor temperature to more than 35°C.

Please also note the following:

• The installation of the thermostat must be done by

an authorized and qualiﬁed installer according to

local regulations.

• The thermostat must be connected to a power sup-

ply via an all-pole disconnection switch.

• The sensor is to be considered as live voltage. Have

this in mind if the sensor must be extended.

• Always connect the thermostat to continuous

power supply.

DEVIreg™ 233

5Installation Guide

• Do not expose the thermostat to moisture, water,

dust, and excessive heat.

2 Mounting Instructions

Please observe the following placement guidelines:

Place the thermostat at a suitable height

on the wall.

In wet rooms, place the thermostat according to local

regulation on IP classes. Do not install the thermostat

in small bathrooms with poor ventilation, nor close

to the toilet due to the risk of condensed water and

water splash.

Note: A ﬂoor sensor enables a more accurate

temperature control and is recommended in all ﬂoor

heating applications and mandatory under wooden

ﬂoors to reduce the risk of over-heating the ﬂoor.

• Place the ﬂoor sensor in a conduit in an appropriate

place where it is not exposed to sunlight or draft

from door openings.

• Equally distant and >2cm from two heating cables.

• The conduit should be ﬂush with the ﬂoor surface -

countersink the conduit if necessary.

• Route the conduit to the connection box.

• The bending radius of the conduit must be min

50mm.

DEVIreg™ 233

Installation Guide6

Follow the steps below to mount the thermostat:

1. Open the thermostat.

• Detach the front cover by inserting a small screw-

driver in the hole on top of the thermostat and

lifting the cover outwards.

• Loosen the two screws and carefully detach the unit.

2. Connect the thermostat according to the connection

diagram.

Max.

Load

13 (1) A

Mains

220-240V~

Sensor

D233

Load

IP41

0T40

Danfoss A/S

Ulvehavevej 61

7100 Vejle

Denmark

Note: Always install the ﬂoor sensor in a conduit in the

ﬂoor.

DEVIreg™ 233

7Installation Guide

3. Mount and reassemble the thermostat. The thermo-

stat is to be installed in a ﬂush-mounting box or a

surface-mounting box for the FUGA design.

• Put the unit back in place and tighten the screws in

each side to fasten the thermostat.

• Press the front cover back in place.

4. Turn on the power supply.

3 Settings

Please be aware of the following:

• The ﬂoor temperature is measured where the sen-

sor is placed.

• The temperature of the bottom of a wooden ﬂoor

can be up to 10 degrees higher than the top.

• Floor manufactures often specify the max tem-

perature on the top surface of the ﬂoor (usually

27-28˚C).

• Always use a ﬂoor sensor to control ﬂoor heating.

DEVIreg™ 233

Installation Guide8

How to change the minimum and maximum ﬂoor

temperatures

1. Remove the front cover.

2. Move the adjustment sledg-

es to the desired positions.

3. Put the front cover back in

place.

DEVIreg™ 233

9Installation Guide

4 Warranty

A 2-year product warranty is valid for:

• thermostats: DEVIreg™ 233.

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 on

the following conditions: During the warranty period Danfoss shall oﬀer a new com-

parable product or repair the product if the product is found to be faulty by reason

of defective design, materials or workmanship.The repair or replacement.

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 electri-

cians. 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/

DEVIreg™ 233

Installation Guide10

WARRANTY CERTIFICATE

The DEVIwarranty is granted to:

Address Stamp

Purchase date

Serial number of the product

Product Art. No.

*Connected output [W]

Installation Date

& Signature

Connection Date

& Signature

*Not mandatory

Table of contents

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