Danfoss ECtemp 531 User manual

Danfoss ECtemp 531
Electronic Thermostat
Installation Guide
electricheating.danfoss.com

Danfoss ECtemp 531
3Installation Guide
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 ush-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
Table of Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Technical Specications . . . . . . . . . . . . 4
1.2 Safety Instructions . . . . . . . . . . . . . . . . 6
2 Mounting Instructions . . . . . . . . . . . . . . . . . 7
3 Warranty. . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Disposal Instruction . . . . . . . . . . . . . . . . . 12

Danfoss ECtemp 531
Installation Guide4
1.1 Technical Specications
Operation voltage 220-240 V~, 50 Hz
Standby power consump-
tion Max 0.25 W
Relay:
Resistive load
Inductive load
Max 15 A / 3450 W @ 230 V
cos φ= 0.3 max 1A
Sensing units NTC 15kOhm at 25°C
Sensing values:
0 °C
25 °C
50 °C
42 kOhm
15 kOhm
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
sensor
Cable specication max 1x4 mm² or 2x2,5 mm²
Ball pressure temperature 75 °C
Pollution degree 2 (domestic use)

Danfoss ECtemp 531
5Installation Guide
Type 1C
Storage temperature -20 to +65 °C
IP class 31
Protection class Class II -
Dimensions 85 x 85 x 36 mm
Weight 90 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)

Danfoss ECtemp 531
Installation Guide6
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 531
7Installation Guide
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.
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.

Danfoss ECtemp 531
Installation Guide8
Follow the steps below to mount the thermostat:
1. Open the thermostat:
devireg™550
3
5
6
24
20
30
40
50
• Press the release tab in the bottom of the ther-
mostat using a at object.
• Carefully detach the front cover.
• Carefully detach the frame.

Danfoss ECtemp 531
9Installation Guide
2. Connect the thermostat according to the connection
diagram.
IP31
-10T30
D531
Mains
220-240V~
Max. Load
15 (1) A
NL
N
LOAD
L
LOAD
9еквонатсуоповтсдовокуР
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.
3. Mount and reassemble the thermosta:
• 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.

Danfoss ECtemp 531
Installation Guide10
3 Warranty
A 2-year product warranty is valid for:
• thermostats: ECtemp 531.
Should you, against all expectations, experience a problem with your Danfoss
product, you will nd that Danfoss oers Danfoss warranty valid from the date
of purchase on the following conditions: During the warranty period Danfoss
shall oer 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
repair or replacement.
The decision to either repair or replace will be solely at the discretion of Dan-
foss. 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 lled 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.
Danfoss warranty shall not cover any damage caused by incorrect conditions of
use, incorrect installation or if installation has been carried out by non-author-
ized 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 Danfoss
warranty shall not extend to products which have not been paid in full. Danfoss
will, at all times, provide a rapid and eective response to
all complaints and inquiries from our customers.
The warranty explicitly excludes all claims exceeding the
above conditions.
For full warranty text please use QR code

Danfoss ECtemp 531
11Installation Guide
WARRANTY CERTIFICATE
The Danfoss warranty 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

Danfoss ECtemp 531
Installation Guide12
YEAR
WARRANTY
4 Disposal Instruction

Danfoss ECtemp 531
13Installation Guide

Danfoss ECtemp 531
Installation Guide14

Danfoss ECtemp 531
08091186 & AQ059186451944en-010103 Produced by Danfoss © 03/2023
Danfoss A/S
Nordborgvej 81
6430 Nordborg, Syddanmark
Denmark

ECtemp 531 ELKO 088L0034
Product documentation
Designed in Denmark for Danfoss A/S
*08091186*
5 703466 208991
dk Thermostat - Room Sensor 220-240V~ 50-60Hz~ +5 to +35°C 15A/3450W@230V~ IP 31