Danfoss ECtemp Next Plus HW User manual

Installation Guide
ECtemp Next Plus HW
Thermostat for temperature maintenance
© Danfoss | Produced by FEC | 2020.10

ECtemp Next Plus HW
© Danfoss | Produced by FEC | 2020.10 AN347136888492-010101 | 3
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DE
CN
PL
Contents
1. Installation Guide .....................................4
ECtemp Next Plus HW
Thermostat for temperature maintenance
2. Installationsanleitung ............................... 16
ECtemp Next Plus HW
Thermostat für Temperaturerhaltung
3. 安装指南............................................ 28
ECtemp Next Plus HW
温度保持用温控器
4. Instrukcja montażu .................................. 40
ECtemp Next Plus HW
Termostat do podtrzymania temperatury

ECtemp Next Plus HW
4 | © Danfoss | Produced by FEC | 2020.10 AN347136888492-010101
1 Introduction
ECtemp Next Plus HW is an electronic programmable timer
thermostat used for controlling domestic hot water temperature.
The thermostat is designed for fixed installation only and can be
used for both temperature maintenance and legionella mitigation
(above 55 °C), using timer and external sensor features.
• Correct wiring is essential. Use instrument to confirm L
and N before wiring is recommended.
• Don’t remove too much of the insulation cover from
the wire to avoid short circuit, caused by the naked wire
touching the metal 86 mm. sized mounting wall box.
• Don’t let the screw press or touch the wire when using
screw to fix room thermostat in wall box. A short-circuit
risk exists if the wire insulation cover is damaged by the
screw, and if the naked wire connects with the screw.
• If walls must be painted, mount the room thermostat
after painting, to avoid dust or paint material penetrating
the room thermostat and thus damaging the PCB.
• The max load of relay is <16 A (resistive) or <6 A (inductive).
The relay will be damaged if the load exceeds the limit.
• Don’t cover the thermostat, for instance by
hanging towels directly in front of it.

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2 Technical Specifications
Feature Description
Approval CE Marking, EN60730
Ambient temperature 0 to 45 °C
IP Class 30
Max. load, inductive <6 A
Max. load, resistive <16 A
Floor sensor NTC 15 kOhm at 25 °C
Power consumption <2 W
Power supply 85-250 V AC, 50/60 Hz
Size 86 x 86 x 13 mm, WxHxD,
in-wall 24,5 mm
External temp. sensor range 35 to 65 °C
Housing ABS + PVC
Hysteresis ±1 °C
Cable specification max. 1x4 mm²
Frost protection temperature (in °C) 5 °C
Ball pressure test temperature (in °C) 75 °C
Pollution degree 2
Controller type 1C
Software class A

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Feature Description
Storage temperature (in °C) -10 to +60 °C
Protection class Class II
Weight 143 g
Electrical safety and Electro-Magnetic Compatibility for this
product is covered by the compliance with the EN/IEC Standard
“Automatic electrical controls for household and similar use”:
• EN/IEC 60730-1 (general)
• EN/IEC 60730-2-9 (thermostat)

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3 Wiring
• Dimensions, see fig. 4
• Wiring diagram, see fig. 5 (S1, S2: floor sensor terminals).
• Complete the wiring, see fig 5.
86.0
86.0 50.0
50.0
24.513.0
Fig. 4
85-250 Vac, 50/60 Hz
L N
S2
S1
N
N(Load )
L(Load )
L
Max. Load
16 A
Fig. 5

ECtemp Next Plus HW
8 | © Danfoss | Produced by FEC | 2020.10 AN347136888492-010101
4 Installation Steps
User Guide can be downloaded from: heating.danfoss.com.
• Installation must be done by an authorised electrician.
• The room thermostat should be installed at approx. 1,5 m
above floor and where the effects of sunlight, draught or
other heat sources (eg.TV’s) are avoided, see fig. 1.
• First of all, carefully remove the cover, see fig. 2.
• Connect the wire before mounting the back plate to the
wall box using the enclosed screws. Then mount the
cover to the back plate, see fig 3.
1.5 m
Fig. 1 Fig. 2
Fig. 3

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5 Basic features
• Floor temperature setting and measurement.
• Auto recovery, Defrost (low temperature protection).
• Clock, Timer and 6 period programming.
• Working mode selection.
• Keypads Lock.
6 Status display
• Thermostat output display.
• Floor temperature display.
• Floor temperature setting display.
• Clock display.
• Low temperature protection display.
• Working mode selection display.
7 Operation
• On/Off thermostat: Press“ ”to turn on, press “ ”
again to turn off thermostat and its output.
• Setting temperature: press“ ”to reduce temperature,
press“ ”to raise temperature (0.5 °C changed each press).
• Working Mode Selection: When thermostat turns on,
press“ ” to select different working mode, icon
means thermostat at Timer mode, icon“ “ means at
Programming mode, without these two icons means at
manual mode.

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• Heating Equipment Control:The thermostat will switch
on the heating equipment when the water temperature
2 degree lower than the setting temperature, the LCD will
display“ ”; When the water temperature is equal with
setting temperature, the thermostat will switch off the
heating equipment. The icon“ ”will disappear.
8 Clock setting
• Clock setting: Press“ ” till to display“hh:mm”and “hh”
flash, press“ ” or“ ” to adjust hour, press “ ”,“mm”
flash, press“ ” or“ ” to adjust minute; Press“ ”,
“week” flash, press“ ”or“ ”to adjust Mon to Sun.
9 Timer programming
• Weekdays Setting: When thermostat at Programming mode,
setting in the first period: press and hold for 5 seconds“ ”
till to display“Mo Tu We Th Fr”and“hh:mm”and “hh”flash,
press“ ” or“ ” to adjust hour in the first period; press
“ ” till to display“hh:mm”and “mm”flash, press“ ” or
“ ” to adjust minutes in the first period; press“ ”, the
temperature flash and the figure is the setting temperature
of first period. When setting temperature is lower than
35 °C, it will display“OFF”. Using the above method to set
the hour and minute in other periods. Once the setting
time is over 16:00 at each period, it will switch to
weekend setting.
• Weekend Setting:“Sa Su”showing is weekend setting, the
setting method is same with above.

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Default setting value at each event is as below.
Weekday / Weekend Per. 1 Per. 2 Per. 3 Per. 4 Per. 5 Per. 6
Weekday
(Mo-Fr)
Staring T 23:30 05:00 09:00 11:00 13:00 16:00
temp. °C OFF 50 °C OFF OFF OFF 50 °C
Weekend
(Sa-Su)
Staring T 23:30 05:00
temp. °C OFF 50 °C
Working day: Mon Tue Wed Thu Fri;
Off day: Sat Sun
10 Timer setting
• Period setting: When thermostat at Timer mode, setting
in the first period: press and hold for 5 seconds“ ” till to
display“Mo Tu We Th Fr Sa Su”and “hh:mm”and “hh”
flash, press“ ” or“ ” to adjust hour in the first period;
press“ ” till to display“hh:mm”and “mm” flash, press
“ ” or“ ” to adjust minutes in the first period; press
“ ”, the temperature flash and press“ ” or“ ” to
switch between ON and OFF. Using the above method to
set the hour and minute in other periods.
Default setting value at each event is as below.
Everyday Period 1 Period 2
Everyday Staring T 23:30 05:00
Status OFF ON

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11 Keypad lock
• When thermostat power on, press“ ” button then
press“ ” simultaneously, keypads are locked for fear
anyone operated. Display will show“ ”, repeat the
operation, the function will be disable.
12 Resetting
• When thermostat turns off, press“ ”for 10 seconds to
reset the value. Display shows all icons, after resetting,
thermostat will turn on automatically. Resetting
operation includes programming default value and timer
default value.
13 Frost protection temperature
• When the thermostat turns off, display shows“ ”, it
means the function of low temperature protection is
able. When the water temperature is lower than 5 °C, it
will be turned on automatically in heating mode with
“ ”showing and will connect with heating
equipment; the thermostat will turn off output when
water temperature is higher than 7 °C.

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14 Error codes
Display Description
E1 Short circuit external sensor
E2 Open circuit external sensor
E3 Detected temperature above 70 °C
E4 Detected temperature below 0 °C

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15 The 5 Year Danfoss Warranty:
You have purchased a Danfoss heating
system which we are sure will serve to
improve the comfort and economy of
your application.
Danfoss provides superior electrical
heating solutions for total climate
control in and around homes and
buildings. Danfoss offers a complete
product program with ECflex heating
cables or ECmat heating mats, ECtemp
thermostats, ECdry and ECdry heating
systems, ECfast fixing strips and
Danfoss Self-limiting heating cables
combined with additional products
completing the product program.
This 5 year warranty applies to ECdry
heating mats and Danfoss Self-limiting
heating cables, connection units and
Danfoss crimp set for self-limiting
heating cables.
Should you, against all expectations,
experience a problem with your
Danfoss product, you will find that
Danfoss offers a 5 year warranty from
the date of purchase on the following
conditions:
During the warranty period Danfoss
shall offer a new comparable product
or repair the product in case the
product is found to be faulty by reason
of defective design, materials or
workmanship. Repair or replacement
shall be carried out solely at Danfoss’s
discretion. Danfoss shall not be liable
for any consequential or incidental
damages including, but not limited to,
damages to property or extra utility
expenses.
The warranty shall be valid only if the
WARRANTY CERTIFICATE is completed
correctly and in accordance with the
instructions, and provided 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
completed in English or local language.
An extension of the warranty period
following repairs undertaken under
warranty cannot be granted.
The Danfoss Warranty shall not
cover any damage caused by incorrect
conditions of use, incorrect installation
or if installation has been carried out
by non-authorised 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 equipment which has not been
paid in full.
Danfoss will, at all times, provide a
rapid and effective response to all
complaints and inquiries from our
customers.
The warranty explicitly excludes all
claims exceeding the above conditions.

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ECtemp Next Plus HW
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1 Einführung
Der ECtemp Next Plus HW ist ein elektronischer, programmierbarer
Timer-Thermostat zur Regelung der Trinkwarmwassertemperatur.
Der Thermostat ist ausschließlich für eine feste Installation
ausgelegt und kann sowohl für die Temperaturerhaltung als auch
für die Legionellenreduzierung (über 55 °C) verwendet werden,
wobei Timer und externe Fühlerfunktionen verwendet werden.
• Eine ordnungsgemäße Verdrahtung ist unerlässlich. Es emp-
fiehlt sich, L und N vor der Verdrahtung mit einem Messgerät
zu überprüfen.
• Nicht zu viel von der Isolierung des Drahts entfernen, da der Kon-
takt zwischen dem nicht isolierten Draht und dem metallischen
Wandkästchen (Größe 86 mm) zu einem Kurzschluss führen kann.
• Bei der Verwendung von Schrauben zur Befestigung des
Raumthermostats im Wandkästchen darf die Schraube den
Draht nicht berühren oder auf den Draht drücken. Wird die
Isolierung des Drahts durch die Schraube beschädigt, kann
bei Kontakt zwischen nicht isoliertem Draht und Schraube ein
Kurzschluss ausgelöst werden.
• Muss die Wand gestrichen werden, ist der Raumthermostat erst
nach dem Streichen einzubauen, da sonst Staubpartikel oder
Farbmaterial den Raumthermostat durchdringen und so die
Leiterplatte beschädigen können.
• Die maximale Last für die Relaisausgänge beträgt <16 A (ohmsch)
bzw. <6 A (induktiv). Bei einer Überschreitung dieser Grenze wird
das Relais beschädigt.
• Den Thermostat nicht abdecken, z. B. durch Handtücher, die
direkt vor dem Thermostat aufgehängt werden.

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2 Technische Spezifikationen
Funktion Beschreibung
Zulassung CE-Kennzeichnung, EN60730
Umgebungstemperatur 0 bis 45 °C
IP-Schutzart 30
Max. induktive Belastung <6 A
Max. Last, ohmsch <16 A
Bodenfühler NTC 15 kOhm bei 25 °C
Leistungsaufnahme <2 W
Spannungsversorgung 85–250 V AC, 50/60 Hz
Größe 86 x 86 x 13 mm (B x H x T)
Unterputz 24,5 mm
Externer Temp.fühlerbereich 35 bis 65 °C
Gehäuse ABS + PVC
Hysterese ±1 °C
Max. Kabelspezifikation 1 x 4 mm²
Frostschutztemperatur (°C) 5 °C
Kugeldruckprüfungstemperatur (°C) 75 °C
Verschmutzungsgrad 2
Reglertyp 1C
Softwareklasse A

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Funktion Beschreibung
Lagertemperatur (°C) -10 bis +60 °C
Schutzklasse Schutzklasse II
Gewicht 143 g
Die elektrische Sicherheit und elektromagnetische Verträglichkeit
dieses Produkts entsprechen den EN/IEC-Normen für„Automatische
elektrische Regel- und Steuergeräte für den Hausgebrauch und
ähnliche Anwendungen“:
• EN/IEC 60730-1 (allgemein)
• EN/IEC 60730-2-9 (Thermostat)

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3 Verdrahtung
• Abmessungen, siehe Abb. 4.
• Schaltplan, siehe Abb. 5 (S1, S2: Bodenfühlerklemmen).
• Schließen Sie die Verdrahtung ab, siehe Abb. 5.
86.0
86.0 50.0
50.0
24.513.0
Abb. 4
85-250 Vac, 50/60 Hz
L N
S2
S1
N
N(Load )
L(Load )
L
Max. Load
16 A
Abb. 5

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4 Installation
Die Bedienungsanleitung kann unter folgender Adresse heruntergela-
den werden: www.danfoss.com/de-de/
• Der Einbau muss durch einen autorisierten Elektriker erfolgen.
• Der Raumthermostat muss in ca. 1,5 m Höhe und geschützt vor
Sonneneinstrahlung, Zugluft oder anderen Wärmequellen (z. B.
Fernsehgeräten) eingebaut werden, siehe Abb. 1.
• Entfernen Sie zunächst vorsichtig die Abdeckung, siehe Abb. 2.
• Schließen Sie die Leitungen an, bevor Sie die Gehäuserück-
seite mit den beigefügten Schrauben an die Unterputzdose
montieren. Befestigen Sie anschließend die Abdeckung an der
Gehäuserückseite, siehe Abb. 3.
1.5 m
Abb. 1 Abb. 2
Abb. 3