Danfoss DEVI DEVIreg Opti User manual

www.DEVI.com

Installation Guide

DEVIreg™ Opti

Electronic Timer Thermostat fulﬁlling

Eco Design Directive

DEVIreg™ Opti

Installation Guide2

1 Introduction

DEVIreg™ Opti is an electronic programmable timer

thermostat used for controlling electrical ﬂoor heating

elements. The thermostat is designed for ﬁxed installation

only and can be used for both direct heating of the entire

room and for comfort heating of the ﬂoor. Among others,

the thermostat has the following features:

Table of Contents

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2. Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 3

3. Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4. Mounting Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5. Display Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6. Configuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

7. Settings & Break out . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

8. Disposal Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

9. Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

DEVIreg™ Opti

3Installation Guide

• A screen display operated by buttons.

• An easy-to-follow, menu driven programming and

operation.

• Pre-installed timer settings.

• Oﬀered with integrated frame.

• Using DEVI standard NTC ﬂoor sensor (15 k Ohm at 25°C).

• Open window detection.

• Low stand-by energy consumption.

• Weekly timer.

More information about this product can be

found at: devi.com

2 Technical Speciﬁcations

Operation voltage 220-240 V~, 50Hz

Standby power consumption Max. 0,5 W

Relay:

Resistive load

Inductive load

Max. 13 A / 2990 W @ 230 V

Max. 1 A cos = 0,3

DEVIreg™ Opti

Installation Guide4

Sensing units (ﬂoor sensor) NTC 15 kOhm at 25°C (Default)

Sensing values:

0°C

20°C

50°C

42 kOhm

18 kOhm

6 kOhm

Control PWM (Pulse Width Modulation)

Cable speciﬁcation max. 1x4 mm2and 2x2,5 mm2

Ambient temperature 0° to +35°C

Frost protection temperature 5°C to +9°C (default 5°C)

Temperature range Room temperature: 5-35°C.

Floor temperature: 5-45°C.

Max. ﬂoor: 20-35°C (if unrecover-

able seal is broken then up to 45°C).

Min. ﬂoor: 10-34,5°C, only with

combination of room and ﬂoor

sensor.

Sensor failure monitoring The thermostat has a built-in

monitoring circuit, which

will switch oﬀ the heating if

the ﬂoor sensor is disconnected

or short-circuited

Ball pressure test temperature 75°C

Pollution degree 2 (domestic use)

DEVIreg™ Opti

5Installation Guide

Controller type 1B

Software class A

Storage temperature -25°C to +60°C

IP class 21

Protection class Class II -

Dimensions 85 x 85 x 44 mm

(in-wall depth: 24 mm)

Weight 138 g

Electrical safety and Electro-Magnetic Compatibility for

this product is covered by the compliance with the EN/IEC

Standard “Automatic electrical controls for household and

similar use”:

• EN/IEC 60730-1 (general)

• EN/IEC 60730-2-9 (thermostat)

3 Safety Instructions

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.

DEVIreg™ Opti

Installation Guide6

Make sure the mains supply to the thermostat is turned

oﬀ before installation.

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 supply

via an all-pole disconnection switch.

• Always connect the thermostat to continuous power

supply.

• Do not expose the thermostat to moisture, water,

dust, and excessive heat.

• This thermostat 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

DEVIreg™ Opti

7Installation Guide

4 Mounting Instructions

Please observe the following placement guidelines:

Place the thermostat at a suitable height on the

wall (typically 80-170 cm.).

The thermostat should not be placed in wet

rooms. Thermostat must be placed outside zone

2. Place it in an adjacent room and use ﬂoor sen-

sor only. Always place the thermostat according

to local regulation on IP classes.

Do not place the thermostat on the inner side of

a poorly insulated exterior wall.

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.

• Cleaning and user maintenance shall not be made by

children without supervision.

DEVIreg™ Opti

Installation Guide8

Always install the thermostat at least 50 cm from

windows and doors, due to draft, when using

regulation in: ﬂoor and room mode or room

alone mode.

Do not place the thermostat in a way that it will

be exposed to direct sunlight.

Note: A ﬂoor sensor is recommended in all ﬂoor

heating applications and mandatory to thin

matsand under wooden ﬂoors to reduce the risk

of overheating the ﬂoor.

• Place the ﬂoor sensor

in a protecting plastic

conduit in the ﬂoor

construction in an ap-

propriate place, where

the ﬂoor is not exposed

to sunlight or draft

from door openings.

• Equally distant and >2 cm from the heating cables on

both sides.

≥

DEVIreg™ Opti

9Installation Guide

• The conduit should be ﬂush with the ﬂoor surface, coun-

tersink the conduit if necessary and possible.

• Route the conduit to the connection box.

• The bending radius of the conduit must be min 50 mm.

Follow the steps below to mount the thermostat:

1. Unpack thermostat

2. Remove the front cover as showed

on Pic. 1.

3. Connect the thermostat accor-

ding to the connection diagram.

The screen of the heating cable

must be connected to the earth

conductor of the power supply

cable by using a separate con-

nector.

Note: Always install the ﬂoor sensor in a conduit in

the ﬂoor.

IP21

0T35

Mains 220-240V~

50Hz

Max Load

13(1) ASensor

Danfoss A/S, 6430 Nordborg, Denmark

Ambient Temperature: 0-35°C

Standby maximum 0.5W

Made in P.R.C.

DEVIreg™ Opti

S2 S1 L N

LOAD

LOAD N

Pic. 1

Pic. 2

DEVIreg™ Opti

Installation Guide10

4. Fasten the thermostats back part

ﬁrmly to a ﬂush mounted wall box

or an exterior wall box by driving

the screws through the holes in

each side of the thermostat.

5. Click the front part module in

place. Pay attention, in relation to

the female header, in not to bend-

ing the connectors. Press carefully

until the frame is ﬁxed ﬁrmly.

When mounting and reassembling the thermostat.

Important: Do NOT press in the center of the display

screen.

Battery:

The current time and day is kept for min. 60 days if mains

supply is oﬀ. All other settings are stored permanently.

Pic. 3

Pic. 4

Table of contents

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