Lightwave LP81 Manuale utente

Smart Relay with Switch Sense Input (LP81)

Applicaons

The Smart Relay is a very versale device that can be

used to remotely switch on/o a circuit. Because the

relay includes one latching posion, it can be used to

operate devices that require an on/o control.

The Smart Relay can be used to switch loads of up to

700W. The switched circuit can be mains powered or

volts free (low voltage). Mains power can also be taken

from the Relay itself to power the circuit (see wiring

instrucons for more informaon).

Locaon

The Smart Relay needs to be housed in a suitable

enclosure to minimise the risk of contact with live

electrical wires and to ensure that the device meets

IEC Class II requirements. The Lightwave LW824

Waterproof housing can be used for this purpose and

will also allow the Relay to be installed outdoors.

Range

Lightwave devices have excellent communicaon range

within a typical home, however, if you encounter any

range issues, try to ensure that large metal objects or

bodies of water (e.g. radiators) are not posioned in

front of the device or in between the device and the

Lightwave Link Plus.

Help video & further guidance

For addional guidance, and to watch a video that will

help guide you through the installaon process, please

visit the support secon on www.lightwaverf.com.

Environmentally friendly disposal

Old electrical appliances must not be disposed of

together with residual waste, but have to be disposed

of separately. The disposal at the communal collecng

point via private persons is for free. The owner of old

appliances is responsible to bring the appliances to these

collecng points or to similar collecon points. With this

lile personal eort, you contribute to recycle valuable

raw materials and the treatment of toxic substances.

Installaon

If you plan to install this product yourself, please follow

the electrical wiring instrucons carefully to ensure the

product is installed safely, if in any doubt please consult a

qualied electrician.

It is important to install this product in accordance with

these instrucons. Failure to do so may risk personal

safety, create a re hazard, violate the law and will also

void your warranty. LightwaveRF Technology Ltd will not

be held responsible for any loss or damage resulng from

not correctly following the instrucon manual.

IMPORTANT: Any electrical installaon must comply with

Building Regulaons, BS 7671 (IET Wiring Regulaons)

or local equivalent.

IMPORTANT: If conducng an insulaon resistance test,

any hard-wired Lightwave devices must be disconnected

from the mains, or damage to the unit may occur.

IMPORTANT: High-Power inducve loads can potenally

damage the device and are not recommended.

Preparaon

Suitable electrical screwdrivers

Knowledge of how to safely turn o/on

mains electricity

You will need

Your Link Plus and smartphone

A safe place in which to situate the Relay

RF frequency:

868 MHz

Input rang:

230V~ 50Hz

Device class:

0 (requires housing)

Warranty:

2 year standard warranty

Output rang:

700W

Standby energy use:

Less than 1W

EU Declaraon of Conformity

Product: Smart Relay with Switch Sense Input

Model/Type: LP81

Manufacturer: LightwaveRF

Address: The Assay Oce, 1 Moreton Street,

Birmingham, B1 3AX

This declaraon is issued under the sole responsibility

of LightwaveRF. The object of the declaraon described

above is in conformity with the relevant union

harmonisaon legislaon.

Direcve 2011/65/EU ROHS, Direcve 2014/53/EU:

(The Radio Equipment Direcve)

Conformity is shown by compliance with the applicable

requirements of the following documents:

Reference and date:

EN 60669-1:1999+A1:2002+A2:2008, EN60669-2-

1:2004+A1:2009+A12:210, EN 55015:2013+A1:2015,

EN 61547:2009, EN 61000-3-2:2014, EN 61000-3-

3:2013, EN 62479:2010, EN 301489-3 V2.1.1, EN

300 220-1 V3.1.1 (2017-02), EN 300 220-2 V3.1.1

(2017-02)

Signed for and on behalf of:

Place of Issue: Birmingham

Date of Issue: February 2022

Name: John Shermer

Posion: CTO

1UK

Specicaon

Wiring terminals

Neutral wire

connecon

This wire is usually blue

or black in colour

Line wire connecon

This wire is usually brown

or red in colour

Terminal screws

Flip down cover to expose

terminal screw heads

Main buon

Hold to enter linking

mode. Click to operate

the Relay.

LED indicator light

The colour indicates the current posion of the relay.

Red (or user customisable): circuit not connected.

Blue: circuit connected.

Fuse access

T5AH250V

Mounng bracket

Neutral wire connecon

This wire is usually blue or

black in colour

Installing the Relay

Carefully follow the instrucons in this secon in

order to install the Relay. Please remember that mains

electricity is dangerous. Do not take any risks. For other

advice, please contact our dedicated technical support

team at www.lightwaverf.com.

The easiest way to learn how to install the Lightwave

Smart Relay is to watch our short installaon video which

is accessible at

www.lightwaverf.com/product-manuals

1.1 Prepare a suitable locaon

The Smart Relay is a class 0 device which means that it

should be housed in a suitable dry locaon and electrical

housing to minimise the risk of contact with live electrical

wires. If in doubt, consult an electrician.

1.2 Turn o the electricity supply

Turn o the mains power supply to your exisng power

circuit at the consumer unit.

1.3 Connect to mains power

Although the Smart Relay can be used to provide volts

free (non mains) switching, it ALWAYS requires mains

power to operate. Connect the line and neutral power

cables to the Relay as shown in the diagrams. Be aware

that exisng cables can vary in colour and may not

always be correctly labelled. If in any doubt, always

consult a qualied electrician.

Linking the Relay & other funcons

Unlinking the Relay (clear memory)

To unlink the Relay, enter linking mode by holding down

the main buon unl the LED ashes red. Release the

buon, then hold it for a second me unl the LED

ashes red to conrm that the memory has been cleared.

Firmware updates

Firmware updates are over-the-air soware

improvements that keep your device up to date as well

as providing new features. Updates can be approved

from the App before being implemented, and generally

take 2-5 minutes. The LED will ash cyan in colour

during an update. Please do not interrupt the process

during this me.

Error reporng

A permanently ashing red LED indicates that a

soware or hardware error has been encountered.

Press the main buon to reset the device. If the error

light persists, please contact Lightwave support via

www.lightwaverf.com/support.

Follow the in-app instrucons which

will explain how to link devices.

On the Relay, press and hold down

the main buon unl the LED ashes

blue and red alternately then release it.

The Relay is now in linking mode.

Using the App, press the buon to link

to the device (the App instrucons will

guide you through this). The indicator

on the Relay will ash to conrm that

it is now linked.

Linking

To be able to command the Relay, you will need to link it

to the Link Plus.

1 Adding mains voltage to a circuit (A)

In this case, mains voltage is ‘jumped’ from the main

incoming line feed to the COM terminal by the

addion of a connecng ‘jumper’ wire. Mains power

can now be used to drive the single circuit illustrated

in diagram A.

SW B

Connect the circuit

The Smart Relay can be used to provide up to 700W of mains powered switching OR separate volts free switching for circuits not requiring addional mains power. The Relay latches between

NO and COM. Follow the instrucons below.

Common connecon

(Mains 230V)

Common connecon

(Mains 230V or can be low voltage)

Switch

(230V AC)

Switch

Load

Switched connecon

Connecon to the

switched circuit.

Switched connecon

Connecon to the

switched circuit.

Switched connecon

Connecon to the

switched circuit.

3 Switching a single circuit (C)

Use this conguraon to switch a single circuit

(can be low voltage) that does not require mains

power to be provided from the Relay’s line (L) and

neutral (N) terminals.

2 Switch sense (B)

In addion this device has a “switch sense” terminal

(diagram B) that can detect the ‘on’ or ‘o’ posion of

an external switch such as a normal light switch.

The acon of the external switch can then operate

the internal relay and / or be detected by the Link+

to trigger another device or devices or an automaon.

Any switch or circuit connected to the “switch sense”

input must be suitable for “230V AC” mains power.

4 Switch Sense (D)

The ‘switch sense’ relay output conguraon can be

230V mains (B) or volts free low voltage output (D).

X X CCOM X OM X LL N N

Line wire connecon

This wire is usually

brown or red in colour

Neutral wire connecon

This wire is usually blue or black

in colour

Line wire connecon

This wire is usually brown

or red in colour

www.lightwaverf.com +44 (0)121 250 3625support@lightwaverf.com

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