Programmable Digital Thermostat with RF Boiler Control 2 Instruction Manual Model No RT500BC
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 • R&TTE Directive 99/5/EC 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.
INTRODUCTION A programmable room 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.
INSTALLATION Please read the important safety information at the start of this manual before you begin to install the device. The RT500 programmable room thermostat 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 RT500. The back plate can be mounted directly to the wall surface. The ideal position to locate the RT500 is about 1.5m above floor level.
INSTALLING THE RF BOILER CONTROL 1. Remove the front panel from the boiler. 2. Pull out the mechanical timer. 3. Do not remove link wire. 4. Connect the electrical plug. 5. Push fit boiler control into housing. 6. Replace the front panel ensuring a good seal is made. 7. Power up the boiler and check the correct operation. RF Boiler Control LED indicator for learning / output status Recessed button for ID learning Max.
BOILER CONTROL WIRING TERMINALS Terminal Identifier Description 1 N Neutral 2 L Live feed (230V AC) 3 COM Linked Live feed 4 N.O. Switched Live (Normally Open [N.O.
RT500 THERMOSTAT DEFAULT SETTINGS Changes to the default 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. The “jumpers” are found on the rear of the RT500. Jumper Function Program Jumper for 5-2 (factory default setting) or 7 individual days programming. Span Movable jumper for selecting temperature span of ± 0.
CHANGING THE BATTERIES ON THE RT500 1. Open the front flap on the right hand side of the unit , this reveals the SET & SELECT buttons 2. On the bottom right hand side pull the small flap down which will reveal the batteries as shown above. 3. Remove the old batteries 4. Now insert the new batteries, insert bottom battery with the“+” end first followed by the top battery “ – “first .
RF ID CODE SETTING Normally, the RT500 can link with the Boiler Control the ID code setting. If there is another unit being used nearby, e.g. in the next house, your Boiler Control may be triggered by the other RT500. You can change the RF ID Code to help prevent this problem. Each Boiler Control can only respond to RF transmissions from a RT500 with the same RF ID code setting.
SYNCHRONISING THE BOILER CONTROL (a) RT500 programmable room thermostat RF Sync mode - Press and hold "SELECT" to enter ID transmission; ID code is set by 5 position jumper switches; - TX sends ID code for 10 minutes. - during 10 minutes synchronisation, LCD shows "Sy" on temperature digits and the timer will count down. - during 10 minutes synchronisation, pressing any key can interrupt ID code transmission and LCD will return to normal mode, i.e. temperature and clock.
TESTING THE RF TRANSMISSION It is important to site the RT500 in locations where the RF signal cannot be interrupted. The receiving range between the RT500 and the Boiler Control is 70 metres in open air, however many factors can affect the RF transmission and shorten the operating distance, e.g. shielding by thick walls, foil backed plasterboard, metal objects such as filing cabinets, general RF interference, and so on.
BOILER CONTROL MANUAL OVERRIDE The AUTO/MANUAL switch allows you to turn on the Boiler Control manually if required. MANUAL AUTO When the switch on the Boiler Control is in the AUTO (normal) position, the Boiler Control will automatically receive the RF signal from the RT500 and control the boiler based on the programming of the RT500. The user can also move the switch to the MANUAL position; when in this mode, the boiler will be always turned on and the LED indicator will also be lit constantly.
AFTER INSTALLATION The following table shows the settings of the RT500 programmable thermostat after Power on, or after RESET is pressed: Function Operation Mode Room Temperature °C indicator Clock AM/PM indicator Day of Week indicator Program Set Point Temperature Program Number indicator SET indicator PROG indicator Frost Protection indicator Heat indicator Low-Battery Warning indicator Output Relay Status After Reset or Power On Normal mode 22.
USER INTERFACE The status and operation of the RT500 is clearly shown on the display. This display allows the user to see at a glance the current status of the heating system, the current time and day of the week, as well as a clear indication of the current room temperature. There are few user controls for the RT500, making the programmable thermostat very easy to operate. These controls are shown below, along with a description of each of their functions.
OPERATION The RT500 is configured and adjusted by the use of a minimal number of user controls. SETTING THE TIME Press and hold SET and SELECT when the RT500 is in Normal mode for a few 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.
PROGRAMMING THE RT500 The RT500 offers great versatility with its programming options, allowing the user to programme the unit to operate on a 5/2 or 7 day control cycle. The programmable thermostat has a default set of Programmes that have been designed to meet the needs of most users. If these default programmes are not suitable for your particular situation, reprogramming the RT500 with your own settings is a very straightforward operation.
Press the UP or DOWN key to select the programme set for either Weekday or Weekend to be reviewed or adjusted. Pressing the SET key at any time when in programming mode will return the RT500 into Normal mode. Press the SELECT key to confirm the Weekday or Weekend selection.
7 DAY MODE The RT500 also offers a 7 day programming mode, which allows you to programme five different sets of time and set point temperatures for each day of the week to give a total of 35 separate programme settings. To review or change a programme, press the SET key when the RT500 is in Normal mode. This will change the unit status to Programme Setting mode. The LCD display will display programme number 1 and SET PROG, with all other indicators cleared.
Press the UP or DOWN key to adjust the hour setting to the desired value, and confirm your selection by pressing the SELECT key. Pressing the SELECT key allows you to step through each of the items to be reviewed or adjusted within the programmes. Pressing the SET key at any time will confirm the setting and return to the programme set selection.
FROST PROTECTION To enable the Frost Protection mode, press and hold the BACKLIGHT / FROST button for a few seconds with the RT500 in Normal mode. Once Frost Protection is enabled, the set point temperature is automatically set to 5°C to provide protection from the risk of freezing. Whenever Frost Protection is activated, the Frost Protection indicator will flash in the sequence shown below: While Frost Protection is activated, it will override any programme settings until the mode is changed.
When operating in Frost Protection mode, the LCD display will show a reading of 5 °C and also display the Frost Protection indicator: When operating in Temporary Override mode, the LCD display will show the temporary set point temperature: To exit from the set point review, press any key except the UP or DOWN keys, or don’t press any keys for a few seconds – either of these actions will return the RT500 to Normal mode.
Once in Temporary Override mode, the clock and day are displayed, along with the SET indicator; all other indicators are cleared from the display. The set point temperature will flash to indicate that it can be changed: The set point temperature can be adjusted within 5 °C to 35 °C. Temporary Override mode remains active until the new set point settings are adjusted, Frost Protection is activated or the next programme time / temperature set point is reached.
OTHER FUNCTIONS AND CONTROLS Backlight The backlight of the RT500 is switched on automatically whenever any of the keys are pressed. The backlight will remain illuminated for a few seconds after the last key press. The backlight will not illuminate if the battery voltage is low. Battery Status The RT500 checks the battery voltage frequently during normal operation. If the battery voltage is sensed as being low, the low battery indicator will be displayed on the screen.
ENERGY TIP One way to set and use your room thermostat is to find the lowest temperature setting that you are comfortable with, and then leave it set at this temperature.
PRODUCT SPECIFICATION Model: Type: RT500BC Electronic programmable thermostat with RF Boiler Control, designed for Volt Free and AC heating applications. Programming Programming Modes: Number of Programmes: Override Facility: User selectable for 5/2 or 7 day option. Five (5) user programmes plus factory default programme. User selectable programme override facility.
Temperature Scale: Display Range: Display Resolution: Tolerance: Setpoint Range: Measured Air Temperature Range: Celsius 5 ºC to 35 ºC 0.5 ºC Less than ± 0.5 ºC at 25 ºC 5 ºC to 35 ºC 5 ºC to 45 ºC If room temperature is higher than 45ºC,display will show HI. If it is lower than 5ºC, it will show LO.
RT500BC Warranty Salus Controls warrants that this product will be free from any defect in materials or workmanship, and shall perform in accordance with its specification, for a period of two years from the date of installation. Salus Controls sole liability for breach of this warranty will be (at its option) to repair or replace the defective product. Customer Name: .................................................... Customer Address: ................................................. ...................
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