Salus RT500 Manuale utente

Instruction Manual

Model No RT500

Digital Room Thermostat

Salus RT500 Manual 002:89 23/11/10 11:06 Page 1

RT500 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.

Salus RT500 Manual 002:89 23/11/10 11:06 Page 2

RT500 INSTRUCTION MANUAL 3

INTRODUCTION

A programmable thermostat is a device that combines the functions of both

a room thermostat and heating controller into a single unit. The

programmable thermostat is used to switch the heating system in your

home on and off as needed. It works by controlling the temperature

according to a series of programmed settings that take effect at different

times of the day.

The RT500 from Salus Controls is

a stylish and accurate 5/2 or 7

day programmable electronic

thermostat with a large, easy to

read Liquid Crystal Display

(LCD). This programmable

thermostat has been specifically

designed to be used Volt Free.

Features

•Volt free contacts

•5/2 or 7 day programming flexibility

•Built-in start up programming for quick installation

•Frost protection

•Large, easy to read LCD with blue backlight

•Burner on symbol

•User friendly

•Stylish casing

Salus RT500 Manual 002:89 23/11/10 11:06 Page 3

INSTALLATION

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

before you begin to install the thermostat.

The ideal position to locate the RT500 thermostat is about 1.5m above floor

level, 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.

The electrical connections to the RT500 are made to the supplied industry

standard backplate. This simplifies installation, as no connections are made

to the controller itself. Connection details are shown below - no Earth

connection is required for the correct and safe operation of the RT500, but

a parking terminal is provided to connect an Earth wire if one is present.

RT500 INSTRUCTION MANUAL

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Backplate Connections

Terminal Description Backplate

L Mains Live

SL Switched Live

(Normally Open Contact)

Earth Parking (no electrical

connection)

After installing the backplate in a suitable location, wiring connections can be

made as shown above. The following criteria apply to the installation:

•

The incoming AC mains supply should be 230V AC and fused at 5 amps.

•

Optimum cable size for installation is 1.5 mm2; wiring colours should be

in accordance with the current requirements of the IEE Wiring Regulations.

•

Cable entry should be from the rear of the backplate.

•

All wiring connections should be securely made, and be firmly

gripped beneath the square brass washer on each terminal.

The RT500 requires two ‘AA’ alkaline batteries to function correctly. Ensure that

the batteries are inserted correctly, paying careful attention to the polarity

markings on the battery and next to the battery holders.

Do not restore the mains supply to the system until all associated items are fully

installed.

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 thermostat consult either with a qualified electrician, heating

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

Do not remove or refit the RT500 onto the backplate without

the mains supply to the system being isolated.

RT500 INSTRUCTION MANUAL 5

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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 position required if changes need to

be made to the factory default settings. These jumpers are found on the

rear of the thermostat.

Jumper Function Default

Temperature Movable jumper for ± 0.5 ºC span

Span ± 0.5 ºC or ± 1.0 ºC span.

Program Type Movable jumper for 5-2

5-2 or 7 individual days

programming.

RT500 INSTRUCTION MANUAL

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AFTER INSTALLATION

After completing installation and powering up the RT500 for the first time

the thermostat will behave in the following way:

All the indicators on the display and the backlight will be turned on for two

seconds. After two seconds, the RT500 will then operate in Normal mode

(Normal mode is when the thermostat is displaying the room temperature).

The following table shows the settings of the RT500 digital thermostat after

Power on:

Function Status After Reset or Power On

Operation Mode Normal mode

Room Temperature 22.0 °C, updated within 5 seconds

°C indicator On

Clock 12:00

AM/PM indicator AM

Day of Week indicator M

Programme Default factory setting

Set Point Temperature Default factory setting

Programme Number indicator 1

SET indicator Off

PROG indicator Off

Frost Protection indicator Off

Heat indicator Off

Low-Battery Warning indicator Off, updated within 5 seconds

Output Relay Off

RT500 INSTRUCTION MANUAL 7

Salus RT500 Manual 002:89 23/11/10 11:06 Page 7

After Power on, the thermostat will operate in Normal mode

•The set point temperature is reset to the default setting

•The room temperature display is updated within 5 seconds

•The control process starts

•The programme number is updated to indicate the running program

If the Reset Button is pressed, the RT500 will behave in the same way as

described above, except that any previously saved user settings stored in

the internal memory will be deleted and overwritten with the default

settings, and all control settings will be returned to default values.

USER INTERFACE AND CONTROLS

The status and operation of the RT500 is clearly shown on the large

backlit Liquid Crystal Display (LCD).

This display allows the user a clear indication of the current room

temperature, and the status of the heating system.

There are few user controls for the RT500, making this thermostat

very easy to operate. These controls are shown below, along with a

description of each of their functions.

RT500 INSTRUCTION MANUAL

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USER CONTROL FUNCTION SUMMARY

Key / Operation Symbol Functions

UP key Increases the selected setting

DOWN key Decreases the selected setting

BACKLIGHT / Manually turns on the LCD backlight

FROST key for 5 seconds, or activates /

deactivates Frost Protection

SELECT key Selects a clock or programme setting

SET key Sets a clock or programme setting

RESET button Resets the programmable thermostat

to default (original factory) settings

OPERATION

The RT500 is configured and adjusted

by the use of a minimal number of user

controls, and an intuitive user interface.

The backlit Liquid Crystal Display (LCD)

gives a highly visible, easily readable

indication of the programmable

thermostat status.

RT500 INSTRUCTION MANUAL 9

Salus RT500 Manual 002:89 23/11/10 11:06 Page 9

SETTING THE TIME

Press and hold SET and SELECT when the RT500 is in Normal mode for three

seconds to enter the Clock setting mode. Release both keys and the display

will look like the image below:

The Time and Day are displayed along with a SET indicator, with all other

indicators cleared from the display. The hour part of the time is flashing to

indicate that it is the currently selected item and is ready to be adjusted.

•Press the UP or DOWN keys to increase or decrease the ‘hour’ setting –

the selected item will stop flashing while a key is pressed, and will resume

flashing when you release the key.

•Press the SELECT key to select the ‘minutes’ section of the time. Set the

minutes in the same way as the hour by using the UP and DOWN keys.

•Press SELECT again to select the Day, and again change the setting with

the UP and DOWN keys.

•Press the SET key to confirm the new time and day settings. This will store

the changes and return the RT500 to Normal mode.

The RT500 will also return to Normal mode (and save the clock settings)

if no keys are pressed for more than 15 seconds.

RT500 INSTRUCTION MANUAL

Salus RT500 Manual 002:89 23/11/10 11:06 Page 10

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