Salus RT300RF User manual

Instruction Manual

Model No RT300RF

Digital Electronic Thermostat

With RF

Salus RT300RF Manual 002_89 22/07/2013 09:19 Page 1

RT300RF INSTRUCTION MANUAL

PRODUCT COMPLIANCE

This product complies with the essential requirements of the

following EC Directives:

•Electro-Magnetic Compatibility directive 2004/108/EC

•Low Voltage 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.

These instructions are intended to apply in the United Kingdom only,

and should be followed along with any other statutory obligations.

This accessory must be fitted by a Competent person, and

installation must comply with the guidance provided in the current

editions of BS7671 (IEE Wiring Regulations) and Part ‘P’ of the

Building Regulations. Failure to comply with the requirements of

these publications could lead to prosecution.

Always isolate the AC Mains supply before opening or removing

the unit from the wall or wall box.

When fitting batteries don’t mix old and new batteries

together. Do not use rechargable batteries.

Please leave these instructions with the end user where they should

be kept in a safe place for future reference.

RT300RF INSTRUCTION MANUAL

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RT300RF INSTRUCTION MANUAL 3

What is a room thermostat?

... an explanation for householders

A room thermostat simply switches the heating system on and off as necessary. It

works by sensing the air temperature, switching on the heating when the air

temperature falls below the thermostat setting, and switching it off once this set

temperature has been reached.

Turning a room thermostat to a higher setting will not make the room heat up any

faster. How quickly the room heats up depends on the design of the heating system,

for example, the size of boiler and radiators.

Neither does the setting affect how quickly the room cools down. Turning a room

thermostat to a lower setting will result in the room being controlled at a lower

temperature, and saves energy.

The heating system will not work if a time switch or programmer has switched it off.

The way to set and use your room thermostat is to find the lowest temperature setting

that you are comfortable with, and then leave it alone to do its job. The best way to

do this is to set the room thermostat to a low temperature – say 18

°C

– and then turn

it up by one degree each day until you are comfortable with the temperature. You

won’t have to adjust the thermostat further. Any adjustment above this setting will

waste energy and cost you more money.

If your heating system is a boiler with radiators, there will usually be only one room

thermostat to control the whole house. But you can have different temperatures in

individual rooms by installing thermostatic radiator valves (TRVs) on individual

radiators. If you don’t have TRVs, you should choose a temperature that is reasonable

for the whole house. If you do have TRVs, you can choose a slightly higher setting to

make sure that even the coldest room is comfortable, then prevent any overheating

in other rooms by adjusting the TRVs.

Room thermostats need a free flow of air to sense the temperature, so they must not

be covered by curtains or blocked by furniture. Nearby electric fires, televisions, wall

or table lamps may prevent the thermostat from working properly.

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RT300RF INSTRUCTION MANUAL

INTRODUCTION

The RT300RF from SALUS Controls is a stylish and accurate digital thermostat

with a large, easy to read Liquid Crystal Display (LCD). This thermostat has

been specifically designed to be used for both Volt 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 heat on/off control.

The Control Centre provides the user interface and temperature sensing /

control. The two units are linked together by a Radio Frequency (RF) signal.

Features

•Volt free switching option

•Frost protection

•Large, easy to read LCD

with blue backlight

•Burner on symbol

•User friendly

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RT300RF INSTRUCTION MANUAL 5

INSTALLATION

Please read the important safety information at the start of this manual

before you begin to install the device.

The RT300RF Control Centre is easily installed using the Industry Standard

back plate supplied with the unit – this is used purely for mounting

purposes, as no wiring is needed for the Control Centre. The back plate can

be mounted directly to the wall surface.

The ideal position to locate the RT300RF Control Centre is about 1.5m above

floor 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 programmable 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 RT300RF in enclosed areas such as cellars and basements is not

recommended.

CONNECTING THE RT300RF RECEIVER

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

qualified Electrician or other competent person.

If you are not sure how to install this digital thermostat consult either with

a qualified electrician, heating engineer or your boiler / heating system

supplier for advice on how to continue.

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RT300RF INSTRUCTION MANUAL

The RT300RF 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 Light Emitting diodes (LEDs). The switch allows you to turn off the

Receiver if necessary to prevent it calling for heat. The top LED (red) will

illuminate when the switch is in the ‘On’ position and the unit is receiving

power. The bottom LED (green) illuminates when the Receiver unit is

receiving a heat call transmission from the Control Centre.

The wiring terminals and RF Address Code

setting DIP switches are located on the

rear of the Receiver, as shown in this

picture:

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RT300RF INSTRUCTION MANUAL 7

RECEIVER WIRING TERMINALS

Terminal Identifier 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.230V AC Installation

Notes:

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

• Confirm that the Boiler has an external thermostat loop and

is configured for 230V switching

• If the boiler has two terminals for the thermostat, remove the

link from the boiler

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RT300RF INSTRUCTION MANUAL

b. 24V Installation

Notes:

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

• Confirm that the Boiler has an external thermostat loop

and is NOT configured for 230V switching

• If the boiler has two terminals for the thermostat,

remove the link from the boiler

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RT300RF INSTRUCTION MANUAL 9

CONTROL CENTRE JUMPER SETTINGS

Changes to the jumper settings should only be made by the Engineer

carrying out the installation or other qualified person.

The installer should select the jumper

positions required if changes need to be

made to the factory default settings. These

jumpers are found on the rear of the

Control Centre.

Jumper Function

Span Movable jumper for selecting temperature span

of ± 0.5°C (factory default setting) or ± 1.0°C

1,2,3,4,5 Removable jumpers for altering the RF address

code when used in conjunction with the

corresponding DIP switch on the Receiver.

NOTE:

The Reset button must be pressed after changing jumper positions.

The Reset button is accessible behind the small hinged door on the front

right hand side of the Control Centre.

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RT300RF INSTRUCTION MANUAL

RF ADDRESS CODE SETTING

If there is another unit being used nearby, e.g. in the next house or as part

of a multiple installation, your Receiver may be fault triggered by the other

Control Unit. You can change the RF Address Code to help prevent this

problem.

Each Receiver can only respond to RF transmissions from a Control Centre

that has the same RF address code setting.

Disconnect any AC power to the Receiver, and remove the batteries from the

Control Centre before attempting any adjustment of the RF Address Code

switches and jumpers. If you are not sure how to carry out this operation

correctly, consult either with a qualified electrician or heating engineer.

To adjust the RF address code of the Receiver, simply push up one or more

of the 5 DIP switch levers on the DIP switch bank located on the back of the

receiver (the levers are numbered 1 to 5 from bottom to top, as shown in the

picture below), and then make a note of the setting of each switch:

Salus RT300RF Manual 002_89 22/07/2013 09:19 Page 10

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