Rehau NEA Manuel utilisateur

NEA SMART ROOM CONTROL UNIT

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 display 7

4.2 Commissioning (incl. pairing) 7

4.3 Operation 7

4.4 Connection test 7

5 Troubleshooting, Cleaning and Decommissioning 8

5.1 Troubleshooting 8

5.2 Cleaning 8

5.3 Disposal 8

More information on the Nea Smart control system and all

documentation available for download can be found at

www.rehau.com/neasmart

1 SAFETY

1.1 Used symbols

There is danger for life and limb.

1.2 Intended use

The Nea Smart room control unit (in the following abbreviated as room

control unit) is a room control unit for the base station Nea Smart 24 V.

The device is intended

- the control of the Nea Smart base station 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.

2 VERSIONS

2.1 Technical data

Nea Smart room control unit

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) 85 x 85 x 26 mm

Target temp. setting range 10 to 28°C

Target temp. resolution 0.25K

Actual temp. measuring

range 0 to 40°C (int. sensor)

Measuring accuracy of internal NTC

±0.3 K

Tab. 2-1 Technical data Nea Smart room control unit

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.

3 INSTALLATION

3.1 Box contents

1 x 1 x

Fig. 3-1 Box contents

3.2 Installation

~150 cm

~30cm

Fig. 3-2 Notes on the mounting location of the room control unit

1 2 3

Ø 3,5 mm

1234

Power

rmBUS

Error

syBUS

Fuse Pump Boiler Cool

H% Master NO

Pairing

5 6

Fig. 3-3 Installation and connection of the room control unit

4 OPERATION

4.1 Overview and display

Housing

Control knob

Fig. 4-1 Front view of Nea Smart room control unit

4.2 Commissioning (incl. pairing)

1. Remove the control knob.

2. Activate the pairing function at the base station for the desired

heating zone (see manual base station Nea Smart 24 V).

3. Press the pairing button (see ﬁgure below) brieﬂy in order to

activate the pairing function of the room control unit.

The base station and the room control unit are connected to each

other.

Fig. 4-2 Pairing button under the control knob

4.3 Operation

Set the target temperature by rotating the control knob.

Fig. 4-3 Selecting the target temperature

4.4 Connection test

Press the pairing knob brieﬂy in order to activate the connection test.

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.

5 TROUBLESHOOTING, CLEANING AND

DECOMMISSIONING

5.1 Troubleshooting

The error signalling is carried out via the heating zones LED on the

base station assigned to the room control unit.

LED base station

Meaning Solution

Heating zone

flash duration in sec.

012

Safe mode active

- Perform the connection test.

- Defective devices must be

replaced

- Contact your electric

installer.

Tab. 5-1 Error display on the base station

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 user has the duty to dispose of the units at

designated 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 municipality or your local

waste disposal services.

Rheniumhaus

95111 Rehau

Subject to technical changes.

954623 DE 04.2015

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.

Insofar as the intended application deviates from that described in the relevant

Technical Information brochure, the user must consult REHAU and must receive

express written consent from REHAU before commencing this utilization. If the user

fails to do so, the sole responsibility for the utilization shall lie with the individual user.

In this case, the application, use and processing of products are beyond our control.

Should a case of liability arise, however, this shall be limited to the value of the goods

delivered by us and used by you in all cases of damage. Claims arising from granted

guarantees shall become invalid in the case of intended applications that are not

described in the Technical Information brochures.

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