REHAU Nea Smart 2.0 Room Unit User Guide
- June 9, 2024
- REHAU
Table of Contents
Nea Smart 2.0 Room Unit
User Guide
NEA SMART 2.0 Room
Unit
Quickinstall
Safety Instructions and Product Conformity
Risk of life through electrical shock! The electrical installation must follow
the applicable national standards and guidelines as ell as any specific
requirements of your local energy supplier. These instructions are intended
for use by a qualified person who is holding an official certificate in one of
the following professions: electrician or electronics engineer.
Always read the instructions prior to commencing the installation. Connection
to the final power supply must onlybe carried out after the installation is
complete.
Hereby, REHAU Industries SE & Co. KG declares that the radioequipment type Nea
Smart 2.0 is in compliance with Directive2014/53/EU.
The full text of the EU declaration of conformity is available at the
following internet address:
www.rehau.com/neasmart2
System Overview
Scope of Delivery 
Only wireless version
Installation
Bus
(ZOBUS)
Wireless 
Remote Sensor
Assignment of
a room controller to a room zone 
Assignment of a room controller to several room zones
Delete Pairing
Sequence 
Set up
external sensor 
Parameters
▪ P0: Not connected
▪ P01: Floor temperature probe for minimum and maximum value monitoring
(minimum value valid for cooling, maximum value for heating)
▪ P02: Floor temperature probe for minimum and maximum value monitoring
(minimum value valid for cooling and heating, maximum value for heating)
▪ P03: External room temperature probe (room temperature control only by this
value)
▪ P04: External floor temperature probe (floor temperature control only)
▪ P05: External room temperature probe (room temperature control by mean value
of external and internal probe)
▪ P06: Dew point monitor (switching contact)
▪ P07: Window contact
▪ P08: Condensation protection for chilled ceilings (only with humidity room
units)
Error Messages
▪ Er 01: Room temperature sensor out of sensor range
▪ Er 02: Room temperature sensor broken
▪ Er 03: Room temperature sensor shorted
▪ Er 04: Humidity sensor out of sensor range
▪ Er 05: Humidity sensor broken
▪ Er 06: Humidity sensor shorted
▪ Er 07: Remote temperature sensor out of sensor range
▪ Er 08: Remote temperature sensor broken
▪ Er 09:Remote temperature sensor shorted
▪ Er 10: Connection error Base and R-/U-Module
▪ Er 90: Communication error between base and R-Module
▪ Er 99: Error that is only shown in the NEA SMART 2.0 app.
Additional information
www.rehau.com/neasmart2
This document is protected by copyright. All rights based on this are
reserved. No part of this publication may be translated, reproduced or
transmitted in any form or by any similar means, electronic or mechanical,
photocopying, recording or otherwise, or stored in a data retrieval system.
Our verbal and written advice with regard to usage is based on years of
experience and standardised assumptions and is provided to the best of our
knowledge. The intended use of REHAUproducts is described comprehensively in
the technical product information. The latest version can be viewed at
www.rehau.com/TI.
We have no control over the application, use or processing of the products.
Responsibility for these activities therefore remains entirelywith the
respective user/processor. Where claims for liability nonetheless arise, they
shall be governed exclusively according to our terms and conditions, available
at www.rehau.com/conditions, insofar as
nothing else has been agreed upon with REHAU in writing.
This shall also apply for all warranty claims, with the warranty applying to
the consistent quality of our products in accordance with our specifications.
Subject to technical
changes.
954636 03.2022
© REHAU Industries SE & Co.
KG, Rheniumhaus, 95111 Rehau
References
- Conditions of Sale worldwide | REHAU
- REHAU TI Portal - Find specific technical information
- REHAU North America
- REHAU Group | Engineering progress – Enhancing lives
- Conditions of Sale worldwide | REHAU
- NEA SMART 2.0 Manager | REHAU
- Szállítási és Fizetési Feltételek