Renau NEA SMART Installation And Operating Manual

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.uk/neafamily

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1 SAFETY

1.1 Used symbols

There is danger to 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 to

- control of the NEA Smart base station 24 V.

- register the room temperature and the setting of the desired target
temperature in the allocated heating zone.

Every other use outside its intended use, the manufacturer cannot be
held liable for.

1.3 General safety warnings

Danger to life in case of swallowing
Small children might swallow the control knob.

- Install room control unit out of the reach of small children.

These instructions belong to the NEA Smart room control unit. Retain
this manual and provide it to future owners.

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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

Relative humidity 5% - 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 therefore complies
with the requirements from the following guidelines:

- 2004/108/EG with amendments “Council Directive on the approxi­mation 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.

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3 INSTALLATION

3.1 Box contents

1 x 1 x

Fig. 3-1 Box contents

3.2 Installation

~150 cm

~ 30 cm

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

5

1 2

3

Ø 3,5 mm

4

1 2 3 4

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

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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 (Fig. 4.2) briefly in order to activate the
pairing function of the room control unit.
The base station and the room control unit are now 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 button briefly in order to activate the connection test.
At the base station, the heating zone connected to this room control
unit changes status for 1 minute, in other words switches on or o
depending on the previous operating status.

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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.

0 1 2

HZ

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 council or your local waste
disposal services.

© REHAU Ltd

Subject to technical changes.

954623 EN 04.2016

Follow REHAU Underfloor:

UK HEAD OFFICE

Rehau Ltd, UK Head Oce, Hill Court, Walford, Ross-on-Wye, Herefordshire HR9 5QN Phone: [phone] Fax: [phone]

UK & IREL AND SALES OFFICE
London, REHAU Ltd, The Building Centre, 25 Store Street, London WC1E 7BT Phone: [phone] Fax: [phone] Slough, Units 5 J & K, Langley Business Centre, Station

Road, Langley, Slough SL3 8DS Phone: [phone] Fax: [phone] Manchester, Brinell Drive, Irlam, Manchester M44 5BL Phone: [phone] Fax: [phone]

Glasgow, Phoenix House, Phoenix Crescent, Strathclyde Business Park, Bellshill, North Lanarkshire ML4 3NJ Phone: [phone] Fax: [phone] Dublin, 9 St. Johns Court,

Business Park, Swords Road, Santry, Dublin 9 Phone: 00353 (0)1 8165020 Fax: 00353 (0)1 8165021

Our verbal and written application engineering advice is based upon experience and the best of our knowledge. However it is to be regarded as non-binding information.
Working conditions and use under conditions for which the product was not intended and over which we have no influence exclude any claim resulting from our information. We
recommend that a suitable check is made as to whether the REHAU product is suitable for the envisaged purpose. Application, use and processing of the products is carried out
beyond the scope of our control and are therefore carried out exclusively at your own responsibility. If liability should still apply, then this is restricted, in the case of all damage,
the value of the goods supplied by us and used by you.
Our warranty applies to the consistent quality of our products as per our specification and in accordance with our general terms and conditions of delivery and payment. This
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