Salus ERT50 Manuale utente

Instruction Manual

Model No

ERT50 230v

Digital Room Thermostat

for Underfloor

Heating Applications

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 1

ERT50 230v 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.

Please leave these instructions with the end user

where they should be kept in a safe place for future

reference.

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 2

ERT50 230v 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 ERT50 230v from Salus Controls is a stylish and

accurate digital room thermostat that is fitted with a large

easy to read Liquid Crystal Display (LCD). The ERT50 230v

benefits from simple one-touch operation, and this

controller has been specifically designed to be used with

underfloor heating systems.

Features

•12/24 Hour Clock with Daylight Saving feature

•Key lock Function

•3 Preset and 2 User Profiles

•Comfort/Standard/Reduced Temperature Zones

•Night Setback

•8 different languages selection

•Auto/Manual Mode

•PWM or On/Off Output

•Heat/Cool selection

•Holiday Function

•Frost Protection

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 3

INSTALLATION

Please read the important safety information at the start

of this manual before you begin to install the device.

The ideal position to locate the ERT50 230v digital room

thermostat is about 1.5m above floor level. It should be

mounted in a location where the thermostat is easily

accessible, reasonably lit and free from extremes of

temperature. The electrical connections to the ERT50

230v are made to the internal terminal strip. Connection

details are shown below - no Earth connection is required

for the correct and safe operation of the thermostat as the

device is double insulated.

After installing the ERT50 230v 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 2 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.

• All wiring connections should be securely made, and be

firmly terminated within each of the terminal screw clamps.

Do not restore the mains supply to the system until all

associated items are fully installed.

ERT50 230v INSTRUCTION MANUAL

TERMINAL CONNECTIONS

Take the wiring only in accordance

with the wiring diagram below:

230v Version

Connection

L2 Line 2

Supply reduction

Switching output

L1 Line 1

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 4

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 programmable 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 ERT50 230v wiring without

the mains supply to the system being isolated.

SYSTEM INITIAL

After connecting 230v or pressing reset button, please select

the Language, Date and Time. The installed firmware version

will be displayed, the backlight will turn on and then the Start

Up display will be shown prompting you to select the

Language and to set the Date and Time.

Press + or - to select language then press Select buttons to

confirm language Remark: The default is English.

LCD prompts user to select Date, time and Daylight Saving.

Press + or - to change the value of Date, 24/12hr, Time and

Daylight Saving. Press Select buttons to next setting values.

Remark: DD/MM/YY is different for the different language.

Basic Settings

Many of the ERT50 230v configuration and operating

settings can be changed here. Press any key to turn on the

backlight, press CANCEL key, press and hold the SELECT

and CANCEL keys together to enter program setting press

+ or - key to "Basic Setting", and press SELECT.

To change any of the basic settings, press the SELECT this

will access the Program/Basic settings menu.

ERT50 230v INSTRUCTION MANUAL 5

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 5

ERT50 230v INSTRUCTION MANUAL

Use the PLUS (+) or MINUS (-) keys to choose the item you

want to change and press the SELECT key to change to the

setting menu for that item. Pressing the CANCEL key will

exit from this menu and return you to the previous menu.

DATE AND TIME:

Press the PLUS or MINUS key to change the day setting,

then SELECT to save your choice. Do exactly the same for

the month and year. You can then choose whether to use

a 12 or 24 hour time display (the default is 24 hour).

The time is set in the same way as the date – use the

PLUS or MINUS keys to change the setting, and save

by pressing SELECT.

The last menu item is Daylight Saving – by default this is

turned on. Change the setting using the PLUS or MINUS keys,

then press the SELECT key to save the settings and return to

the Program/Basic settings menu.

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 6

LANGUAGE:

The ERT50 230v is programmed to operate in eight

different languages (the default is English). If you wish to

change the language used, select Language from the

Program/Basic Settings screen.

Select your choice of language with the PLUS or MINUS

keys, then press SELECT to save your choice and return to

the Program/Basic Settings screen.

Pressing CANCEL will return to the previous screen

without saving any changes.

MAINTENANCE:

The Maintenance menu allows you to view operating

times for the heating system. The ERT50 230v will record

operating time up to a maximum of 99,999 hours.

ERT50 230v INSTRUCTION MANUAL 7

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 7

ERT50 230v INSTRUCTION MANUAL

Select the Read Operating Time entry to see a summary of

the system operating times.

This screen will show the date the operating times were

last reset, total operating time and total actuator open

time.

The timers can be reset by selecting the Reset Operating

Time item

Select Yes and then press the SELECT key to reset the

timers to 0.

Press the CANCEL key to return to the previous menu.

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 8

CONTROL SETTINGS

The Control menu allows changes to the Temperature

Span, Communications, Frost Protection, Output, Valve

Protection and Temperature Offset settings.

To access this menu, select the Control item from the

Program menu.

Temperature Span:

The first setting that can be changed is Temperature Span.

The default setting is 0.5 °C, but this can be changed to

1.0 °C. Press the SELECT key to save your changes.

ERT50 230v INSTRUCTION MANUAL 9

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 9

ERT50 230v INSTRUCTION MANUAL

SETBACK FUNCTIONS:

The internal temperature reduction (setback) function

allows you via a hard wired connection to reduce the set

temp of all the remote thermostats (ERT20/ERT30) in your

system at a pre-selected time and duration. The level of

temperature reduction is selected in the ERT50 (via

software) and ERT30 (manually).

Please note that the ERT50 comes to you with the setback

function enabled. If you require this function disabled

please follow the steps below.

The ERT30 requiresthe required temp reduction to be set

by the “jumpers” (show pic) inside the unit.

The temperature reduction for all controls are 2ºC or 4 ºC.

To deactivate NSB enter PROG/CONTROL menu,

press SELECT then using the PLUS or MINUS keys

to select ON/OFF. Press select to save settings.

Salus ERT50 230v Manual 003_89 29/05/2012 15:50 Page 10

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