Salus ERT20RF Manuale utente

Electronic Thermostat With RF

Model No: ERT20RF

INSTRUCTION MANUAL

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PRODUCT COMPLIANCE

This product complies with the essential requirements of the following EC Directives:

•Electro-Magnetic Compatibility directive 2004/108/EC

•LowVoltage Directive 2006/95/EEC

•EC Marking directive 93/68/EEC

SAFETY INFORMATION

These instructions are applicable to the SALUS Controls model stated on the front cover of this

manual only, and must not be used with any other make or model.

This accessory must be tted by a Competent person, and installation must comply with the

guidance provided in the current editions of BS7671 (IEEWiring Regulations) and Part‘P’of the

Building Regulations. Failure to comply with the requirements of these publications could

lead to prosecution.

When tting batteries don’t mix old and new batteries together.

Do not use rechargeable batteries.

Please leave these instructions with the end user where they should be kept in a safe place for

future reference.

Always isolate the AC Mains supply before opening

or removing the unit from the wall or wall box.

When tting batteries don’t mix old and new batteries together.

Do not use rechargeable batteries.

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INTRODUCTION

The ERT20RF from SALUS Controls is a stylish and accurate dial thermostat.This thermostat has been

specically designed to be used for bothVolt Free and AC heating applications, can replace most

common residential thermostats and is designed to be used with electric, gas or oil heating control

systems. Unlike ordinary single unit design thermostats, this is a new type of thermostat separating

the operational functions into two units.

The receiver is used for wiring connections and on/o control.

The thermostat provides the user interface and temperature sensing / control. The two units are linked

together by a Radio Frequency (RF) signal.

General Features

•Volt free switching option

•User friendly dial

•Simple to use

•16 Amp receiver

•LED Indication

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INSTALLATION

Please read the important safety information at the start of this manual before you begin to install the device.

Thermostat

The ERT20RF Thermostat is easily installed using the back plate supplied with the unit – this is used

purely for mounting purposes, as no wiring is needed for the thermostat.The back plate can be mounted

directly to the wall surface.

The ideal position to locate the ERT20RFThermostat is about 1.5m above oor level. It should be mounted

in a location where the thermostat is accessible, reasonably lit and free from extremes of temperature

and draughts. Do not mount the thermostat on an outside wall, above a radiator or in a location where

it may be subjected to direct sunlight.

To ensure trouble free operation of the Radio Frequency (RF) signal, always ensure that the thermostat

is mounted away from any possible sources of interference (such as radios,TV sets, computers, etc.), and

is not mounted on or in close proximity to large metal objects. Installing the ERT20RF in enclosed areas

such as cellars and basements is not recommended.

1. Mount backplate on wall and ensure correct

orientation.

2. Insert the 2 x AA batteries (supplied). If you

are installing for the rst time please put the

thermostat to one side and proceed to page 6.

3. After RF pairing is complete on page 7 then

slide the thermostat onto the backplate ensuring

both sides are engaged. You will feel a positive

click when located properly.

For replacing the batteries reverse the process in step 3.

When the batteries need replaced the LED below the dial will ash

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Receiver

NOTE: All electrical installation work should be carried out by a suitably qualied

Electrician or other competent person.

If you are not sure how to install this digital thermostat consult either with a qualied electrician, heating

engineer or your boiler / heating system supplier for advice on how to continue.

The ERT20RF Receiver should be mounted in a suitable location that is both accessible for the connection

of mains and control wiring, and allows good reception of the RF signal. The Receiver needs a 230V AC

mains supply to operate, and this should be fused appropriately (13A max.). The Receiver should be

mounted in a location where it will not come into contact with water, moisture or condensation.

The Receiver ON/OFF switch is accessible from the front face of the receiver, as shown in this picture:

On the front cover of the receiver you will see that there is

the ON/OFF switch and two LEDs.The top LED (GREEN) will

illuminate when the switch is in the‘ON’position and the

unit is receiving power. The bottom LED (RED) illuminates

when the receiver unit is receiving a heat call transmission

from the thermostat.

The wiring terminals are located on the rear of the receiver,

as shown in this picture:

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RECEIVER WIRING TERMINALS

Terminal Identier Description

1 NO Normally Open [N/O]

2 COM Linked Live feed (230V AC heating applications only)

3 L Live feed (230V AC)

4 N Neutral

TYPICAL WIRING INSTALLATIONS

a.Volt Free Installation

Notes:

• Receiver unit should have a permanent 230V AC main supply

• Conrm that the Boiler has an external thermostat loop and

is congured for Volt Free switching

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b. 230V Installation

Add Link

Notes:

• Receiver unit should have a permanent 230V AC main supply

• Conrm that the Boiler is congured for 230V switching

PLEASE DO NOT SWITCH THE RECEIVER ON UNTIL YOU ARE READY TO PAIR WITH THERMOSTAT

RF PAIRING

Switch on receiver and the RED LED should start ashing. If receiver was already switched on, switch

OFF then back ON again the RED LED should start ashing.

Now press and hold the SYNC button on the rear of the thermostat for 3

seconds. The LED below the dial will start ashing.

Now check the LED on the receiver, once RF pairing is successful the LED

on the receiver will stop ashing

Now press and hold the SYNC button on the thermostat for 3 seconds.

The thermostat should now be paired with the receiver.

SYNC

/OFF

EAT

Back of unit

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TESTING THE RF TRANSMISSION

It is important to site both the receiver and thermostat in locations where the RF signal cannot be

interrupted.

The receiving range between thermostat and receiver is approximately 30 metres indoors, however

many factors can aect the RF transmission and shorten the operating distance, e.g. shielding by thick

walls, foil back plasterboard, metal objects such as ling cabinets, general RF interference, and so on.

The range is generally large enough for most household applications, to check the RF reception, follow

the following steps:

1. Turn the thermostat to 30ºC.The LED under the dial should come on.

2. Check the Green LED on the receiver unit - it should be lit and boiler should re.

3. Turn dial down to 5ºC.The LED under the dial should go o.

4. Wait for a few seconds and the Green LED should switch o. The boiler should also switch o.

5. If the operation of 1-4 is successful then you have a good RF link between the thermostat

and the receiver.

6. Return the dial to the preferred set temperature for the application.

If you are unable to get a stable RF connection between the receiver and thermostat, check that the

receiver is both switched on and has a mains supply (red LED illuminated). If this isn’t a problem then

try pairing the thermostat to the receiver again. See page 8.

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CONFIGURATION

Your ERT20 thermostat is congured for HEATING control and simple ON/OFF switching, however it can

be congured for COOLING. This is easily done by changing the “jumper” setting. The “JUMPER”peg is

located on the rear of the ERT20TX.

JUMPER Position

SYNC

COOL HEAT

Default

Default HEAT COOL

COOL HEAT

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