Vemer RX4-8A Bedienungsanleitung

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User Manual

REMOTE ACTUATOR MODEL RX4-8A

Read all the instructions carefully

V3IS00370-012

Mod.RX4-8A

 TheremoteactuatorRX4-8Aisanindependentlymountedautomaticcontrolforheating

andairconditioningapplications,designedforcomunicationswithAthenaprogrammable

thermostat (radio and bus) and Klio digital thermostat (radio).

 Itprovidesatype1Bactionsanditisdesignedforhouseholdandsimilarusewith

overvoltage category III and normal pollution level (EN 60730-1).

SAFETY WARNINGS

During product installation and operation, the following safety instructions should be

respected:

1) The instrument should be installed by qualiﬁed personnel

2) Before touching the terminals, make sure there is no power supply to the electric wires

3) Do not power or connect the instrument if any part of it is damaged

4) Follow the connection diagrams descripted on this manual and over the instrument

5) The electrical system of the building in which the instrument is to be installed should have

a switch and a protective device against over-currents.

6) The instrument must be installed and activated in compliance with current electric systems

standards

7) After installation, inaccessibility to the connection terminals without appropriate tools

must be granted.

Code Model Description

VN943700 RX4-8A Remote actuator

TECHNICAL SPECIFICATIONS

• Powersupply:230VAC(-15%/+10%)50/60Hz

• Outputs:

 –4relays1changeovercontact:8A/250VAC(resistiveload)

 –serialportfornetworkconnection(RS-485)Athena

– external antenna (on request)

• Operatingtemperature:0°C÷50°C

• Storagetemperature:-10°C÷65°C

• Enclosure:2moduleDIN,RAL7035gray

• Protectiondegree:IP20(IP40whencorrectlyinstalledinanelectricalpanel)

OPERATION

DESCRIPTION AND CONTROLS

 GreenLEDoperationfunction

 RedLEDsrelayfunction

 ResetandprogrammationSETBUTTON

FUNCTION

• Instartingphase,theredLEDsashestwiceforsomeseconds(switchingon-sequence).

• Attheendoftheswitchingon-sequence,thegreenLEDsignalnormaldeviceoperationand

theredLEDsrelaystatus(lighton=relayON).

• Theremotecontrol(relaycommutationON/OFF)requestfromKliodigital thermostat and

Athenaprogrammablethermostattakeplaceonlyafterchannelsetting-up.

Network example

• Theradioconnectionbreakdownformorethan15minutesbetweenthetransmitter

andthereceiverdisconnectstherelay/relaysandtheredLED/LEDslightened.Restoreof

operations is automatic.

Channel setting-up

– Duringnormaloperation,presstheSETkey-buttonforalmostthreesecondstoenterin

modality-conguration.GreenLEDswitch-off,redLEDash.PresstheSETkey-button

to select the output relay.

– Theinstrumentkeeponmodality-congurationforamaximumof60secondswithinthe

actuator should receive a string conﬁguration (see Athena Klioand/or instructionsfor

string start-up modality).

– Onreceiptofstring,channelissetted-upandtheactuatorisonstandardfunctioning.

– Forre-settingup,repeatingtheprocedure.

• Toresetchannelsetting-up,plugintocongurationmodalitywithSETbutton,thenpush

thesameoneforthreesecondsandwaitforgreenledswitchingon.

 Anewchannelsettingupcancelsthepreviousconguration.

SERIAL OUTPUT

 RX4-8AfeaturesaninsulatedserialoutputRS485forcommunication.Itispossibleto

connectupto64instrumentsuptoamaximumdistanceof40m.

Note: It is possible to connect a remote actuator with different programmable

thermostats . In this case it is necessary to conﬁgure different zones Athena

for each . Exemple: 2 Athena Athena are connected with a remote actuator:

if Z1 is selected in the ﬁrst , then Z2, Z3 or Z4 must be selected in the Athena

second Athena.

STANDARDS REFERENCE

ConformitytotheEUdirectives:

2006/95/EC(LowVoltage)

2004/108/CE(ElectromagneticCompatibility)

isdeclaredwithreferencetothefollowingharmonizedstandard:

Safety:EN 60730-1

Electromagneticcompatibility:EN 301 489-1/3 EN 300 220-3and

Athena.temp

Actuator

Boiler

ATHENA

+Tx.Athena

Bedroom

Bathroom

Living room

KitchenEntrance

Athena.temp

BUS

Controlof4zonesbytheAthena programmable thermostat

- Living programmable thermostatroom/kitchenProbe:builtintoAthena

- BedroomProbe:remote,connectiontoAthenaviabus485

- Bathroomprobe:remote,connectionto viabus485Athena

- Entranceprobe:remote,connectionto viabus485Athena

Theair-conditioningequipmentiscontrolledbyAthenaprogrammablethermostatbymeansofa

remote actuator (RX4-8A)viaRFand/or485bus.

Dimensions (A)

Connection diagram (B)

Description (C)

8787

7272

8 A / 250 V ~

8 A / 250 V ~8 A / 250 V ~8 A / 250 V ~

Out 1

Out 2Out 3Out 4





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Modell:	RX4-8A

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