Danfoss ECtemp Next Plus User manual

Danfoss ECtemp Next Plus

Electronic Intelligent Timer

Thermostat

Installation Guide

electricheating.danfoss.com

Danfoss ECtemp Next Plus

Installation Guide2

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

1.1 Technical Specications . . . . . . . . . . . 3

1.2 Safety Instructions . . . . . . . . . . . . . . . 5

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

3 Symbols � � � � � � � � � � � � � � � � � � � � � � � � 8

4 Settings � � � � � � � � � � � � � � � � � � � � � � � 10

4.1 Power ON/OFF . . . . . . . . . . . . . . . . 11

4.2 Initial Settings . . . . . . . . . . . . . . . . 11

4.3 Advanced Programmable Timer . . . . . 13

4.4 Temperature Setting . . . . . . . . . . . . 15

4.5 Timer Setting . . . . . . . . . . . . . . . . . 16

4.6 Safety Lock. . . . . . . . . . . . . . . . . . . 17

4.7 Away Mode . . . . . . . . . . . . . . . . . . 17

4.8 Present Floor Temperature. . . . . . . . . 17

4.9 Change to Room control only . . . . . . 18

4.10 Extending Maximum oor temperature

limitation to 45°C . . . . . . . . . . . . . . 18

4.11 Table for 4.9 Change to Room control

only and 4.10 Extending Maximum Floor

temperature limitations to 45°C . . . . . 19

5 Error Codes � � � � � � � � � � � � � � � � � � � � � 20

6 Warranty� � � � � � � � � � � � � � � � � � � � � � � 21

7 Disposal Instruction � � � � � � � � � � � � � � � 21

Table of Contents

Danfoss ECtemp Next Plus

3Installation Guide

1 Introduction

The Danfoss ECtemp Next Plus is an electronic program-

mable timer thermostat used for controlling electrical oor

heating elements. The thermostat is designed for xed

installation only and can be used for both direct heating of

the entire room and for comfort heating of the oor.

More information on this product can also be found at:

electricheating�danfoss�com

1�1 Technical Specications

Operation voltage 85-250V~, 50/60 Hz

Standby power consumption 0,4 W

Relay:

Resistive load

Inductive load

Max. 16 A / 3680 W @ 230 V

cos φ= 0.3 Max. 1 A

Floor sensor Floor Sensor NTC 10 kΩ

at 25°C

Room Sensor NTC 10 kΩ

at 25°C

Sensing values:

(Default NTC 15 K)

0°C

20°C

50°C

42 kΩ

18 kΩ

6 kΩ

Control Hysteresis ± 1.0° C

Danfoss ECtemp Next Plus

Installation Guide4

Ambient temperature -10°C to +60°C

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

Temperature range Room temperature: 5-35°C.

Floor temperature: Max. 35°C

is default.

Sensor failure monitoring The thermostat has a built-in

monitoring circuit, which will

switch o the heating if the

sensor is disconnected or short-

circuited

Cable specication max. 1x4 mm2or 2x2,5 mm2

Ball pressure test temperature 75°C

Pollution degree 2 (domestic use)

Controller type 1C

Software class A

Storage temperature -20°C to +65°C

IP class 30

Protection class Class II -

Dimensions 86 x 86 x 16/40.5 mm

(in-wall depth: 24.5 mm)

Weight 103 g

Electrical safety and Electro-Magnetic Compatibility for

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

Danfoss ECtemp Next Plus

5Installation Guide

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 o

before installation.

Important: When the thermostat is used to control a oor

heating element in connection with a wooden oor or

similar material, always use a oor sensor and never set the

maximum oor temperature to more than 35°C.

Please also note the following:

• The installation of the thermostat must be done by an

authorized and qualied 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.

Danfoss ECtemp Next Plus

Installation Guide6

2 Mounting Instructions

Please observe the following placement guidelines:

Place the thermostat at a suitable height on the wall

(typically 80-170cm.).

The thermostat should not be placed in wet rooms.

Place it in an adjacent room and use oor sensor

only. Always place the thermostat according to local

regulation on IP classes and use oor sensor only.

Do not place the thermostat on the inner side of an

exterior wall.

Always install the thermostat at least 50 cm. from

windows and doors.

Do not place the thermostat in a way that it will be

exposed to direct sunlight.

Note: A oor sensor enables a more accurate

temperature control and is recommended in all oor

heating applications and mandatory under wooden

oors to reduce the risk of over-heating the oor.

Danfoss ECtemp Next Plus

7Installation Guide

• Place the oor 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 ush with the oor surface -

countersink the conduit if necessary.

• Route the conduit to the connection box.

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

Connect the thermostat according 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 connector.

Note: Always install the oor sensor in a conduit in the

oor.

Danfoss ECtemp Next Plus

Installation Guide8

3 Symbols

The following symbols appears in the display:

Symbols Function description Symbols Function description

Room temperature Away mode

Floor temperature Child safety lock

Temperature indication Power ON/OFF

SET

Set temperature Timer and program

operation

Floor heating, Active M

Mode change/check

oor temp./child

safety lock/parameters

setting

Frost protection, Active < > Up/down selectors

Power ON/OFF

SET

Danfoss ECtemp Next Plus

9Installation Guide

4 Settings

4�1 Power ON/OFF

Switch thermostat ON/OFF by pressing button on top of

thermostat.

4�2 Initial Settings

Initial settings must be specied when the unit is activated

for the rst time:

Press Mbutton for 6 seconds to enter the parameter setting

mode.

The upper digits indicate the parameter number.

Press Mfor parameter selection.

Press <or >to set the parameter range.

Complete all adjustments.

Press to exit ECtemp Next Plus settings, which is available

for this purpose.

To exit ECtemp Next settings automatic wait approx. 30

seconds.

Danfoss ECtemp Next Plus

Installation Guide10

The digits indicate the set value as follows:

No� Parameter settings Settings range Default

P01 Working mode 01: Manual

02: Advanced Program-

mable Timer

P02 Temperature control

mode

01: Room and oor temp;

02: Only oor temp.;

03: Only room temp.*

P03 Maximum oor

temperature

20-30˚C (only for 01 in

P02)**

35˚C

P04 Frost protection 01: Enable; 02: Disable 01

P05 Frost protection

setpoint

5-9˚C 5˚C

P06 Timer display option 01: 24h; 02 12h 01

P07 Room temp. display

option at shutdown

01: No display surrent

temp.;

02: Display current temp.

* It will be possible to use only a room sensor. However, this option is not recom-

mendable due to an increased risk of overheating the oor. See 4.9 Change to

Room control only

** P03 appears on relevant temperature control mode. See 4.10 Extending

Maximum oor temperature limitations to 45°C

4�3 Advanced Programmable Timer

The Advanced Programmable Timer mode enables the set-

ting of a timer-controlled program for automatic comfort

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