Danfoss ECtemp 531 User manual

MAKING MODERN LIVING POSSIBLE

Installation Guide

ECtemp 531

Electronic Thermostat

www.EH.danfoss.com

Table of Contents

1 Introduction ............... 3

1.1 Technical Specifications ..... 4

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

2Mounting Instructions ......... 6

3Warranty ................. 10

4 Disposal Instruction .......... 10

1 Introduction

ECtemp 531 is an electronic thermostat provided with a 2-

pole switch and a room sensor to measure and control the

desired air temperature. It can be either flush-mounted or

surface-mounted.

The thermostat has a button for adjusting the temperature

setting with a scale from ( ) 5-35°C. Furthermore, it has a

LED indicator showing standby periods (green light) and

heating periods (red light).

More information on this product can also be found at:

ectemp.danfoss.com

ECtemp 531

Installation Guide 3

1.1 Technical Specifications

Operation voltage 220-240V~, 50Hz

Standby power consump-

tion Max 0.25W

Relay:

Resistive load Max 15A / 3450W @ 230V

Inductive load cos φ= 0.3 max 1A

Sensing units NTC 15kOhm at 25°C

Sensing values:

0°C 42 kOhm

25°C 15 kOhm

50°C 6 kOhm

Hysteresis ± 0.2°C

Ambient temperature -10 to +30°C

Frost protection tempera-

ture 5°C -

Temperature range ( ) 5-35°C with room sen-

sor

Cable specification max 1x4mm2or 2x2,5mm2

Ball pressure temperature 75°C

Pollution degree 2 (domestic use)

ECtemp 531

4 Installation Guide

Type 1C

Storage temperature -20 to +65°C

IP class 31

Protection class Class II -

Dimensions 85 x 85 x 36mm

Weight 90g

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.

ECtemp 531

Installation Guide 5

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.

2 Mounting Instructions

Please observe the following placement guidelines:

Place the thermostat at a suitable height

on the wall (typically 80-170cm.).

In wet rooms, always place the thermostat

according to local regulation on IP classes.

ECtemp 531

6 Installation Guide

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.

ECtemp 531

Installation Guide 7

Follow the steps below to mount the thermostat:

1. Open the thermostat:

devireg™550

▪Press the release tab in the bottom of the thermostat

using a flat object.

▪Carefully detach the front cover.

▪Carefully detach the frame.

ECtemp 531

8 Installation Guide

2. Connect the thermostat according to the connection

diagram.

IP31

-10T30

D531

Mains

220-240V~

Max. Load

15 (1) A

LOAD

The screen of the heating cable must be connected to

the earth conductor of the power supply cable by us-

ing a separate connector.

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

floor.

3. Mount and reassemble the thermostat:

▪Fasten the thermostat to a socket or an exterior wall

box by driving the screws through the holes in each

side of the thermostat.

▪Install the frame and front cover in the reverse order

of disassembly.

4. Turn on the power supply.

ECtemp 531

Installation Guide 9

3 Warranty

Y E A R

4 Disposal Instruction

ECtemp 531

10 Installation Guide

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