Rehau NEA User manual

NEA SMART ROOM CONTROL UNIT D
Installation and operating manual

CONTENT
1 Safety 3
1.1 Used symbols 3
1.2 Intended use 3
1.3 General safety warnings 3
2 Versions 4
2.1 Technical data 4
2.2 Compliance 4
3 Installation 5
3.1 Box contents 5
3.2 Installation 5
4 Operation 7
4.1 Overview and displays 7
4.2 Operation 8
4.3 Commissioning (incl. pairing) 8
4.4 Connection test 8
4.5 Comfort programs - Smart Start/Stop mode 8
4.6 Lifestyle functions overview 8
4.7 Lifestyle functions 9
4.8 Overview parameters 9
4.9 Parameters 10
5 Troubleshooting, Cleaning and Decommissioning 11
5.1 Troubleshooting 11
5.2 Cleaning 11
5.3 Disposal 11
More information on the Nea Smart control system and all
documentation available for download can be found at
www.rehau.com/neasmart
2

1 SAFETY
1.1 Used symbols
There is a risk to life and limb.
1.2 Intended use
The Nea Smart room control unit D (in the following abbreviated as
room control unit D) is a room control unit for the base station Nea
Smart 24 V.
The device is intended
- for the control of the base station Nea Smart 24 V.
- the registration of the room temperature and the setting of the
desired target temperature in the allocated heating zone.
Every other use is outside its intended use for which the manufacturer
cannot be held liable.
1.3 General safety warnings
Danger to life in case of swallowing
Small children might swallow the knob.
- Install room control unit outside the reach of small children.
These instructions belong to the device.
- Retain this manual and provide it to future owners.
3

2 VERSIONS
2.1 Technical data
Nea Smart room control unit D
Floor temperature
monitoring Nea Smart remote sensor (optional)
Power supply 24 ... 35 V [via rmBUS]
BUS connection [rmBUS] polarity reversal protected
Protection type/protection
class IP20 / III
Ambient temperature 0 to 50 °C
Ambient humidity 5 to 80%, not condensing
Dimensions (HxWxD) 86 x 86 x 26,5 mm
Target temp. setting range 5 bis 30°C
Target temp. resolution 0.2 K
Actual temp. measuring
range 0 bis 40°C (int. sensor)
Measuring accuracy of
internal NTC ±0.3 K
Tab. 2-1 Technical data Nea Smart room control unit D
2.2 Compliance
This product is labelled with the CE Marking and thus is in compliance
with the requirements from the guidelines:
- 2004/108/EG with amendments “Council Directive on the approxi-
mation of the laws of the Member States relating to Electromagnetic
Compatibility”
- 2006/95/EG with amendments “Council for Coordination of the
Regulations of EU Member Countries regarding the electrical
equipment for use within certain voltage limits”
Increased protection requirements may exist for the overall installation,
the compliance of which is the responsibility of the installer.
4

3 INSTALLATION
3.1 Box contents
1 x
Accessories:
Nea Smart remote sensor
Fig. 3-1 Box contents
3.2 Installation
~150 cm
~30cm
Nea Smart remote sensor
Fig. 3-2 Notes on the mounting location of the room control unit
5

1 2 3
Ø 3,5 mm
4
1234
Power
rmBUS
Error
syBUS
Fuse Pump Boiler Cool
H% Master NO
Pairing
5a 5b5b
6
Fig. 3-3 Installation and connection of the room control unit
6

4 OPERATION
4.1 Overview and displays
Display with function indications
Room temperature
Time
Control knob
Fig. 4-1 Front view of the Nea Smart room control unit D
Symbol Meaning Symbol Meaning
Menu "Functions" active Night mode active
Menu "Parameters" active Condensation detected, cooling deactivated
Menu "Service" active Cooling mode active
Important note/malfunction Flashing: Smart Start/Stop mode active
Permanent on: Heating mode active
Child safety lock active Presence active (only in Automatic mode)
Stand-by mode active Party function active
Automatic mode active
Holiday function
Flashing: planned
Permanent on: active
Day mode active Minimum floor temperature fallen short of
Tab. 4-1 Meaning of display symbols
7

4.2 Operation
The room control unit can be operated via the control knob:
Pressing the control knob activates menus and
functions.
+-
Rotation permits the target temperature to be set as
well as navigation between menus and their functions.
A basic level and three menus are available.
Basic level:
+-
Rotating adjusts the desired target temperature.
Menu selection with:
Functions: includes all important lifestyle functions.
Parameters: includes several parameters as e. g. heating and
setback temperatures, date and many more.
Service: includes settings for the specialist (secured by PIN,
see manual of the base station)
4.3 Commissioning (incl. pairing)
1. Activate the pairing function at the base station for the desired
heating zone (see manual base station Nea Smart 24 V).
2. Press the control knob for approx. 3 s. in order to activate pairing
function (the display shows "Set").
- The base station and the room control unit are connected to
each other.
- If the base station has been programmed before, the date and
time of the room control unit are set automatically.
For first commissioning of the base station:
Set year, date and time by rotating, confirm entries by pressing.
4.4 Connection test
Press the control knob for approx. 3 s. in order to activate pairing
function (the display shows "Set").
At the base station, the heating zone connected to this room control
unit is changed for 1 minute, in other words switched on or o
depending on the previous operating status.
4.5 Comfort programs - Smart Start/Stop mode
Comfort programs include pre-defined heating times to be used for
working days (1-5) or for the weekend (6-7). Outside the heating
times the installation switches to night mode. You can select the
comfort programs in the Parameter menu. The Smart Start/Stop Mode
of the system calculates the required delay times to reach the
desired temperature at the starting and finishing time of the heating
program.
Program Comfort time 1 Comfort time 2
P0 05:30 – 21:00 –
P1 04:30 – 08:30 17:30 – 21:30
P2 06:30 – 10:00 18:00 – 22:00
P3 07:30 – 17:30 –
Tab. 4-2 Predefined time programs
You can create individual comfort programs with the on-line software
available under www.ezr-home.de and transfer these to the basis
station with a MicroSD card.
4.6 Lifestyle functions overview
In this menu you can activate or deactivate the lifestyle functions.
1. Press the control knob.
2. Activate the menu “Lifestyle functions” by pressing the control
knob again.
3. Select the desired lifestyle function.
The following lifestyle functions are available to you; you can find
further information in the table “Functions” on the next page.
It may take up to 10 minutes before changes of global lifestyle
functions are displayed on all room control units.
+
–
Fig. 4-2 Selection menu of lifestyle-functions
8

4.7 Lifestyle functions
Lifestyle function Symbol Steps
Party
Deactivates the
temperature setback for
XX hours
- Activate by pressing.
- Set the duration in hours (hh)
- Confirm your entry by
pressing.
Presence
Weekend heating times
are also used for working
days
- The automatic mode is only
available on workdays.
- Activate by pressing.
- Finish by selecting another
Lifestyle function.
Day (default setting)
Permanent regulation
according to the set
target temperature
- Activate by pressing.
Night
Permanent setback
according to pro-
grammed night
temperature.
- Activate by pressing.
Automatic
Automatic temperature
regulation according to
the correspondingly
activated comfort
programs
- Activate by pressing.
Deactivates the room
control unit, the
temperature is still
displayed, frost
protection is activated
- Press in order to switch o the
room control unit
- Press again to switch the room
control unit on again
Selection of heating or
cooling mode
The operating mode can
be set on the room
control unit D when the
CO pilot function is
activated on the base.
(The CO pilot of the base is
activated.)
- Activate by pressing.
- Select the mode.
- Confirm your entry by
pressing.
Holiday mode
The temperature is
automatically lowered to
the set holiday
temperature
- Activate by pressing.
- Select 1. the start date and
2. the end date (dd:mm)
confirm by pressing.
- Deactivate the holiday mode by
calling the function again.
Child safety lock
Locks the room
operating unit
- Activate by pressing.
- Deactivate by pressing (>3 s).
BACK
The room control unit
returns to the basic level.
- Exit the menu by pressing
Tab. 4-3 Lifestyle functions
4.8 Overview parameters
This menu is needed only for basic setup.
- Press the control knob.
- Select the menu “Parameters” and activate it by pressing again.
The following parameters are available to you; you can find further
information in the table “Parameters” on the next page.
It may take up to 10 minutes before changes of global system
parameters are displayed on all room control units.
+–
min.
max.
E-CL
SET
P0
6-7 P0
1-5
SET
TIME
XX.X
XX.X
XX.X
RES
USER
Fig. 4-3 Selection of parameters
9

4.9 Parameters
Parameters Symbol Steps
Temperature for
presence in
heating mode
- Activate and set the desired
temperature.
- Confirm by pressing.
Temperature
for presence in
cooling mode
- Activate and set the desired
temperature.
- Confirm by pressing.
Setback temperature
for heating mode
- Activate and set the desired
temperature.
- Confirm by pressing.
Setback temperature
for cooling mode
- Activate and set the desired
temperature.
- Confirm by pressing.
Floor heating
minimum temperature
(only in connection
with Nea remote
sensor)
- Activate and select the
desired comfort tempera-
ture
(1.0...6.0 ≈ 18 °C...28 °C)
- Confirm by pressing.
Setback temperature
for holidays
- Activate and set the desired
temperature.
- Confirm by pressing.
Setting the tempera-
ture limit
min
max
- Activate
- Select the min./max.
adjustable temperature,
confirm each by pressing
Time control via
external timer (instead
of integrated
programs P0 to P3)
E-CL
SET
- Activate and select the
status On or O.
- Confirm by pressing.
Select Comfort
program for working
days
P0
1-5
- Activate and confirm entry.
- Select and activate lifestyle
program (P0-P3).
Select Comfort
program for the
weekend
P0
6-7
- Activate and confirm entry.
- Select and activate lifestyle
program (P0-P3).
Set time/date SET
TIME
- Activate, set year (yyyy),
month (mm) and day (dd)
as well as time (hh:mm),
confirm each by pressing.
Info software version
of room control unit
So1
XX-XX
- Display of the room control
unit software version
Info base station
software version
So2
XX-XX
- Display of the base station
software version
Parameters Symbol Steps
Info software version
Ethernet Controller
So3
XX-XX
- Display of the software
version of the Ethernet
Controller
User level reset
Reset of all user
settings to factory
settings!
RES
USER
- Activate and select Yes
- Press to reset all functions.
Tab. 4-4 Parameters
10

5 TROUBLESHOOTING, CLEANING AND
DECOMMISSIONING
5.1 Troubleshooting
Error messages are displayed by, the corresponding symbols in the
display flashing.
Display Meaning Handling
Connection to
base station
faulty
- Room control unit paired.
- Room control unit tries to
establish a connection to the
base.
Room control
unit not paired.
- Carry out new pairing of the
room control unit.
- Contact your electric installer.
Base station
switched o
- Re-establish the power supply
to the base station.
- Contact your electric installer in
case of a defect.
Err 0001
Internal
temperature
sensor defective.
- Replacement necessary,
contact your electric installer.
Err 0002
External
temperature
sensor defective.
- Replacement necessary,
contact your electric installer.
Err 0005
Base station not
found in spite of
successful
pairing
- Check the voltage supply of the
base station.
- Carry out new pairing of the
room control unit.
- Contact your electric installer.
Err 0006
Communication
between base
stations faulty
- Check the voltage supply of the
base station.
- Contact your electric installer.
Tab. 5-1 Errors shown on the display
5.2 Cleaning
Only use a dry and solvent-free, soft cloth for cleaning.
5.3 Disposal
The room control unit must not be disposed with domestic
waste. The operator has the duty to dispose of the units
through appropriate collection points. The separate
collection and orderly disposal of all materials will help to conserve
natural resources and ensure a recycling in a manner that protects
human health and the environment. If you need information about
collection points for your devices, please contact your local municipal-
ity or your local waste disposal services.
11

© REHAU AG + Co
Rheniumhaus
95111 Rehau
Subject to technical changes.
954622 DE 04.2015
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Insofar as the intended application deviates from that described in the relevant
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