SALUS RT520TX Thermostat User Guide

1

2

Button Functions  

RT520TX Wiring Diagram  

TPI, SPAN  

13  

14  

15  

RT520 / RT520RF Thermostat  

RXRT520 Receiver  

N

L

RT520, RT520TX, RT520RF  

COM  

NO  

N

L

7

9

8

Using UP or DOWN, enable or  

disable DST (Daylight Saving Time).  

Press SELECT to confirm.  

Press SELECT.  

10  

OPENTHERM  

16  

17  

18  

N

L

1

2

3

4

5

6

1. MENU - enter the menu options, press and  

hold for 3 sec to return to main screen or to  

deactivate Boost Mode.  

2. SELECT - confirm changes and enter menus.  

3. DOWN - decrease the temperature and  

move through the menus.  

7. ON - When in Manual Mode, ON will  

turn the boiler on.  

8. OFF - When in Manual Mode, OFF  

will turn the boiler off.  

9. AUTO - Receiver operates in automatic  

mode according to the thermostat.  

10. MANUAL - Receiver output is  

controlled by the On/Off slide switch.  

A

B

N

L

4. UP - increase the temperature and move  

through menus.  

Using UP or DOWN, select your  

temperature accuracy.  

Press SELECT to confirm.  

When OpenTherm is connected, the  

device software will automatically  

adjust to the OpenTherm settings.  

5. BOOST - activate Boost Mode.  

6. MANUAL - activate / deactivate Manual Mode.  

OpenTherm Power Up and Configuration  

Quick Guide  

OpenTherm Modulating Control is a method of control used by modern heating systems. Instead of  

switching a boiler on and off at intervals, modulating control allows the amount of heat provided by the  

boiler to be controlled to match the varying demand from the thermostat. This means the customer has  

greater system efficiency, energy saving and room comfort from our heating controls.  

LCD Icon Description  

1

Text Bar  

Temperature Unit  

OpenTherm - Hot Water  

2

Introduction  

3A Day of the week (numeric)  

3B Day of the week (alphabetic)  

Please make the receiver connections and power the receiver before inserting the batteries  

into the thermostat.  

1

2

1

2

3

The RT520 and RT520RF are the latest additions to SALUS’ tried and tested RT range of thermostat  

heating controls. With a new on-board load compensation feature, they offer the most cost effective  

fully compliant Boiler Plus solution on the market providing the homeowner with optimum efficiency  

and maximum heating control comfort. Available in both wired and wireless RF versions, the new RT520  

series include all the features of the previous RT series with a larger more intuitive LCD display and a  

handy new suite of additional operational and efficiency functions.  

4

5

6

7

8

9

Clock  

AM / PM  

Cooling Mode On  

Holiday Mode On  

Manual Mode On  

Heating Mode On  

7

9

4

6

8

3A 3B  

5

1

2

3

10  

12  

11  

13  

Before use please read this manual carefully.  

10 Low battery status  

11 Wireless connection with the  

receiver  

Product Compliance  

17  

Press MENU.  

Using UP or DOWN, navigate to  

Hot Water submenu and  

press SELECT.  

Using UP or DOWN, adjust the  

temperature and then  

press SELECT.  

14  

12 Service Mode On  

13 Temperature measured / set  

14 Program number  

15 Settings  

16 Program indicator  

17 Boost function  

This product complies with the essential requirements and other relevant provisions of the following EU Directives:  

EMC 2014/30/EU, LVD 2014/35/EU, RED 2014/53/EU and RoHS 2011/65/EU. Full text of the EU Declaration of  

Conformity is available on www.saluslegal.com  

15  

16  

4

5

After inserting the batteries, the  

thermostat will power up.  

Press SELECT.  

Using UP or DOWN, choose your  

language and then press SELECT.  

868.0-868.6MHz; <13dBm  

Safety Information  

4

5

6

Use in accordance to national and EU regulations. Use the device as intended, keeping it in dry condition.  

Product for indoor use only. Installation must be carried out by a qualified person in accordance to national  

and EU regulations.  

RT520 Thermostat Terminals Description  

Always ensure the AC mains power is switched off before installing or working on any  

components (this includes replacing the batteries). Use only AA 1.5 V alkaline batteries in the  

thermostat. Place the batteries into the battery slot located in the back of the thermostat. Do  

not use rechargeable batteries.  

Terminal  

Description  

B / A  

NC  

OpenTherm Communication Wire  

Switched Live OFF  

The thermostat will return to the  

main screen. Press any button.  

The text bar indicates that hot  

water is in operation.  

NO  

Switched Live ON  

Using UP or DOWN, choose  

the time format.  

Press SELECT to confirm.  

Using UP or DOWN, set the hour  

and then press SELECT.  

COM  

Common Terminal  

Technical Specification  

SALUS Controls plc  

SALUS Controls  

Units 8-10  

RT520 Thermostat RT520TX Thermostat  

7

8

9

Thermostat supply  

2 x AA alkaline batteries 2 x AA alkaline batteries  

RXRT520 Receiver Terminals Description  

Northfield Business Park  

Forge Way  

Parkgate  

Thermostat rating max  

OpenTherm terminals  

3 (1) A  

A / B  

-

-

Terminal  

B / A  

Description  

Voltage free  

NC / NO / COM  

terminals  

Rotherham  

S60 1SD  

Email: sales@salus-tech.com  

OpenTherm Communication Wire  

Switch Terminal  

Outputs  

-

NO  

Temperature range  

Temperature accuracy  

ErP control class  

5°C – 33.5°C  

5°C – 33.5°C  

0.1°C or 0.5°C  

V

COM  

Common Switch Terminal  

Supply (230 V AC)  

0.1°C or 0.5°C  

L; N  

Using UP or DOWN, set the  

minutes and then press SELECT.  

Using UP or DOWN, set the year Using UP or DOWN, set the month  

and then press SELECT. and then press SELECT.  

www.salus-tech.com  

V

Radio frequency  

-

868 MHz  

10  

11  

12  

Dimension [mm]  

118 x 95 x 26 [mm]  

118 x 95 x 26 [mm]  

RT520 Wiring Diagram  

TPI, SPAN  

RXRT520 Receiver  

OPENTHERM  

SALUS Controls is a member of the Computime Group.  

Receiver supply  

Receiver rating max  

OpenTherm terminals  

Outputs  

230 V AC  

16 (5) A  

A / B  

Maintaining a policy of continuous product development SALUS Controls plc reserve  

the right to change specification, design and materials of products listed in this brochure  

without prior notice.  

Voltage free NO / COM terminals  

868 MHz  

B

A

Radio frequency  

Dimension [mm]  

Using UP or DOWN, set the day and  

then press SELECT.  

Using UP or DOWN, select the  

week format.  

Press SELECT to confirm.  

Issue Date: July 2021  

V015  

96 x 96 x 26 [mm]  

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	SALUS RT520TX Thermostat User Guide
Make	SALUS
Language	English
Filetype	PDF (Download)
File size	0.9 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• SALUS

SALUS RT520TX Thermostat User Guide Overview

Summary of Contents

• Page 1: Button functions include MENU, SELECT, UP, DOWN, ON, OFF, AUTO, MANUAL, and BOOST. The RT520 and RT520RF are the latest additions to SALUS’ RT range of thermostat heating controls, offering cost-effective solutions for optimum efficiency and maximum heating comfort. OpenTherm Modulating Control allows the boiler's heat output to match varying demand, enhancing system efficiency and energy savings. Before use, it is important to read the manual carefully. The thermostat requires two AA 1.5 V alkaline batteries and should be installed by a qualified person. Safety information includes using the device as intended and keeping it in dry conditions. The product complies with essential EU directives regarding safety and electromagnetic compatibility. The RT520 thermostat features a larger LCD display and additional operational functions compared to previous models. The device will power up after inserting the batteries, and users can select their preferred language. The technical specifications include temperature range, accuracy, and dimensions of the thermostat and receiver.
• Page 2: RT520TX thermostat pairing with the receiver is already done if using the RT520RF pack. During the pairing process, ensure the thermostat and receiver are at least 1 meter apart. Landlord settings allow the landlord to set a service reminder for the tenant. TPI is a self-learning, time-proportional algorithm that ensures economical system operation. The pairing process takes up to 10 minutes, and the LED on the receiver will go solid red once paired. Optimum Start saves energy by firing the boiler for the minimum required time to achieve the set-point temperature. Optimum Stop calculates how long the house will take to cool down and turns off the boiler at the earliest possible moment. To reset the thermostat, press MENU, DOWN, and BOOST simultaneously for 5 seconds. Once service mode is active, the device will lock the set point temperature as set by the landlord. Landlord settings will not be reset during a factory reset.