REHAU Base 24 V Nea Smart Installation Guide
- June 9, 2024
- REHAU
Table of Contents
- Safety Instructions and Product Conformity
- System Overview
- Scope of Delivery
- DIN Rail Installation
- Wall Installation
- Electrical terminations
- First commissioning
- Assignment of a room controller to a room zone
- Assignment of room sensor (without display) to room zone
- Assignment of a room controller to several room zones
- Delete Pairing Sequence
- Setup
- Access-Point Installation (only possible with dip switch set to 0000 –
- Additional information
- WPS (Wi-Fi protected setup) as of software version V2.0
- Cloud Access Installation (Nea Smart App)
- Reset Base to factory default
- Wiring diagram Base with max. 8 rooms
- Wiring diagram Base with R-Module
- Wiring diagram Base with R-Module and U-Module
- Wiring diagram 2x Base with 2x R-Module
- System overview wiring
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
REHAU Base 24 V Nea Smart
Safety Instructions and Product Conformity
Risk of life through electrical shock! The electrical installation must follow the applicable national standards and guidelines as well 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 only be carried out after the installation is
complete. Hereby, REHAU Industries SE & Co. KG declares that the radio
equipment type Nea Smart 2.0 Base 24V is in compliance with EU directive
2014/53/EU and UK regulation UK: 2017 No. 1206.
The full text of the EU and UK declaration of conformity is available at the
following internet address:
www.rehau.com/neasmart2
20957
CA = 0,3K (Water Floor Heating Systems)
CA = 0,6K (Ceiling System Cooling)
- see service manual for parametrization
System Overview
Scope of Delivery
DIN Rail Installation
Electrical voltage! Danger to life!
The system is live.
- Prior to opening always disconnect from the mains and secure all components of the system in such a way that they cannot accidentally be switched on.
- Disconnect external voltages at the relay contacts and secure against unintended activation.
- Check for absence of voltage!
Wall Installation
Address
REHAU Industries SE & Co. KG
Rheniumhaus
Helmut-Wagner-Straße 1
95111 Rehau
Deutschland / Germany
Only for UK – Importer address:
REHAU Ltd.
Hill Court Walford Ross-on-Wye Herefordshire HR9 5QN
United Kingdom
Electrical terminations
Solid cable| 0,5-1,5 mm²|
---|---|---
Multiple stranded cable| 1,0-1,5 mm²|
B – E / I – L
Freely configurable
| A | Power supply |
|---|---|
| B | Relay 1 – pump |
| C | Relay 2 – boiler |
| D | Relay 3 – chiller |
| E | Relays 4 |
| F | Glass tube fuse |
| G | Room zone 1 – 8 |
| H | DIP switch for SYSBUS address |
| I J K L | Digital input 1 – 4 |
| M/M’ | ZOBUS for R modules and room unit |
| O/O’ | SYSBUS for U-module and additional bases (slaves) |
First commissioning
If the pairing is not made within the first 48 hours: Open the room control unit and close it again. With the radio room control unit, additionally remove the batteries, press the button on the room control unit and reinsert the batteries.
First-open function: All actuators open for the first 10 minutes. Stop by
pressing OK for 1 sec. on the Base.
Assignment of a room controller to a room zone
Assignment of room sensor (without display) to room zone
Assignment of a room controller to several room zones
Delete Pairing Sequence
Setup
WPS/WIFI/LAN – LED Status
WPS/WiFi/LAN in Cloud Mode:
WiFi/LAN Access Point Mode:
WiFi/LAN off
Access-Point Installation (only possible with dip switch set to 0000 –
Base Master)
Additional information
WPS (Wi-Fi protected setup) as of software version V2.0
- Deactivate MAC address filter at router
- WLAN router, repeater must support WPS
Cloud Access Installation (Nea Smart App)
Reset Base to factory default
Wiring diagram Base with max. 8 rooms
Wiring diagram Base with R-Module
Wiring diagram Base with R-Module and U-Module
Wiring diagram 2x Base with 2x R-Module
System overview wiring
*() Mixed circuit configuration
() Fan coil or dehumidifier configuration
max. 12 Room Units radio controlled/bus
on each Base 24 V and R-Module 24 V
Cable Types:
- ZOBUS: I (Y) St Y 2x2x0.8mm / existing 2-core wire (max. 100 m length)
- SYSBUS: I (Y) St Y 2x2x0.8mm (max. 500m length)
- max. length between 2 Base 24 V: 250m
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 REHAU products 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 entirely with 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.
References
- Conditions of Sale worldwide | REHAU
- REHAU TI Portal - Find specific technical information
- REHAU Group | Engineering progress – Enhancing lives
- NEA SMART 2.0 Manager | REHAU
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>