Danfoss DEVIreg 531 User manual
www.DEVI.com
Installation Guide
DEVIreg™ 531
Electronic Thermostat
DEVIreg™ 531
Installation Guide 3
1 Introduction
DEVIreg™ 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:
devireg.devi.com
Table of Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Technical Specications . . . . . . . . . . . . 4
1.2 Safety Instructions . . . . . . . . . . . . . . . . 5
2 Mounting Instructions . . . . . . . . . . . . . . . . 6
3 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Disposal Instruction . . . . . . . . . . . . . . . . . . 12
DEVIreg™ 531
Installation Guide4
1.1 Technical Specications
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 1 A
Sensing units NTC 15 kOhm 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 temper-
ature
5 °C -
Temperature range ( ) 5-35°C with room
sensor
Cable specication max 1 x 4 mm² or 2 x 2,5 mm²
Ball pressure temperature 75 °C
Pollution degree 2 (domestic use)
Type 1C
Storage temperature -20 to +65°C
DEVIreg™ 531
Installation Guide 5
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)
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 qualied installer according to local
regulations.
DEVIreg™ 531
Installation Guide6
• 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
Place the thermostat at a suitable height
on the wall (typically 80-170cm.).
In wet rooms, place the thermostat according
to local regulation on IP classes.
Do not place the thermostat on the inner
side of an exterior wall.
DEVIreg™ 531
Installation Guide 7
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.
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.
DEVIreg™ 531
Installation Guide8
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 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.
DEVIreg™ 531
Installation Guide 9
DEVIreg™ 531
Installation Guide10
3 Warranty
A 2-year product warranty is valid for:
• thermostats: DEVIreg™ 531.
Should you, against all expectations, experience a problem with your DEVI
product, you will nd that Danfoss oers DEVIwarranty valid from the date of
purchase on the following conditions: During the warranty period Danfoss
shall oer 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
Danfoss. 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.
DEVIwarranty shall not cover any damage caused by incorrect conditions of
use, incorrect installation or if installation has been carried out by non-
authorized 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 DEVIwarranty shall not extend to products which have not been paid
in full. Danfoss will, at all times, provide a rapid and eective response to all
complaints and inquiries from our customers.
The warranty explicitly excludes all claims exceeding the above conditions.
For full warranty text visit www.devi.com.
devi.danfoss.com/en/warranty/
Table of contents
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