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
3
5
6
24
20
30
40
50
▪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
NL
N
LOAD
L
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
2
Y E A R
4 Disposal Instruction
ECtemp 531
10 Installation Guide