USER GUIDE TLX 7506 RF Digital Room
Contents
1. USER GUIDE TLX 7506 RF Digital Room Thermostat The TLX 7506 is a Radio Controlled Room Thermostat which requires no wiring and can be fitted in any normal operating environment within a typical 30 metre range of the TLX 1206 RF Receiver The TLX 7506 s unique security code is installed into the RF Receiver as part of the commissioning procedure ensuring that your RF Receiver will only respond to instructions sent to it from your TLX 7506 Transmitter How this is done is detailed in the Commissioning Instructions later in this guide TLX 7506 Technical Data Temperature Range 5 C to 35 C in 1 C steps 16 C to 35 C selectable Differential lt 1 C at 4 C per Hour Ambient Temperature Operating 0 C to 45 C Power Supply Two type AA 1 5V alkaline cells supplied Battery Life 2 years typical Wiring No wiring required Maintenance No user maintenance required Radio signal range 30 metres typical Conforms to DTI MPT1340 licence exempt Year 2000 compliant in accordance with BSI PD2001 Operation The TLX7506 Digital Room thermostat is simple to use The large 12mm Liquid Crystal Display continuously shows actual room temperature To display the temperature requested the Set Point press and hold the button marked SET On releasing this button the display will revert back to actual temperature To change the Set Point i e the temperature requested press and hold the SET button2. 263 EEC and 92 31 EEC Low Voltage Directive LVD 73 23 EEC 93 68 EEC CE SUNVIC CONTROLS LTD Bellshill Road Uddingston Glasgow G71 6NP Tel 01698 812 944 Fax 01698 813637 Technical Helpline Tel 01698 810945 In the interests of continuous product improvement Sunvic Controls reserve the right to alter designs specifications and materials without prior notice and cannot accept liability for error TLX7506_User 16 8 99 Rev P 2
3. longer required All electrical wiring changes must be carried out by a competent person in accordance with the latest appropriate Wiring Regulations Be sure to switch off the mains supply before removing any existing thermostat Fixing 1 The metal mounting plate supplied should be positioned with a minimum of 70mm clearance to left right above and below to allow adequate airflow 2 Fix the mounting plate directly to a flat wall using the wall plugs and screws provided 3 Remove the battery insulation strip protruding from the rear of the unit Check the unit is functioning and fit to the metal mounting plate on the wall Configuring The unit is supplied with a 5 C minimum temperature set point and configured as a heating thermostat as factory defaults Two internal links can be used to re configure these defaults 1 Open the unit by slackening the retaining screw on the lower side and hinge unit upward along the top edge to separate it from the plastic base Remove the batteries 2 Locate and identify the two option Links 1 and 2 Use a pair of small wire cutters to carefully cut the appropriate links to give the required configuration 3 Cutting Link 1 will give a minimum temperature set point of 16 C factory default is 5 C Cut Link 2 to display cooling symbol instead of heating symbol Please ensure the RF Receiver TLX 1206 is wired for a cooling application i e using contacts 2 and 4 4 Care
4. LX1206 RF Receiver Ensure any separate programmer in the heating circuit is calling for heat The red LED should be off 2 Press the TEST button The Green LED should come on Check that the boiler and or motorised valve have been operated Remember to allow adequate time for the valve to open Press Test button again The Green LED should go out closing any valve and switching off the boiler Note Test Mode will automatically switch off after 15 minutes Checking the RF circuit 1 Press and hold the and buttons on the TLX 7506 for at least 3 seconds The TLX 7506 will then transmit its unique digital security code every 10 seconds for the next 5 minutes The display will show flashing while this is happening Within the 5 minute period go to the TLX 1206 RF Receiver Press and hold the Install button and then press the TEST button while the INSTALL button is held This will clear out any previously installed codes The Red LED will pulse slowly for 3 seconds to indicate this has been done Next place the Receiver in Install mode by pressing and holding the INSTALL button for at least 10 seconds The Red LED will come on and stay on until a valid Install Code has been received When this happens the Red LED will start pulsing slowly and the install button can then be released The Red LED will pulse for a further 3 seconds and then go off The Install code has been successfully received Go to the T
5. and at the same time press or to increase or decrease the temperature setting The display will continue to show the Set Point until the SET button is released The display will then show actual temperature When the TLX 7506 instructs your heating system to switch on a small flame symbol appears at the bottom right of the display This symbol will be displayed only when the thermostat is calling for the heating system to be on Position The ideal position to locate the TLX 7506 Digital Room Thermostat is about 1 5m above floor level accessible reasonably lit and free from extremes of temperature and draughts Do not mount on an outside wall above a radiator or where it may be subjected to direct sunlight The wireless nature of the installation means that the thermostat can now be positioned in any room to provide optimum thermal response rather than to minimise or simplify the installation wiring It is recommended the commissioning procedure be carried out before fixing the mounting plate to ensure the chosen locations are suitable for transmitting and receiving radio signals Installation Please read all instalation instructions before proceeding The TLX 7506 Digital Room Thermostat is battery powered and operated by radio control It does not require any electrical connections If it is replacing an existing hard wired thermostat isolate and make safe the wiring to the old thermostat as it is no
6. fully replace batteries being sure to observe the correct polarities Re fit plastic base and tighten retaining screw Check unit is functioning as required and fit to metal mounting plate on the wall Battery Replacement This is the only maintenance required for this product A flashing battery low symbol will appear at the bottom left of the display when the batteries start to approach the end of their life This indicates that they should be replaced within the next month Normal operation will be maintained during this period Ultimately the complete display will start flashing at which time the thermostat will switch off the heating and shut down until the batteries are replaced To replace the batteries the following procedure should be carried out 1 Remove the unit from the wall plate by sliding upwards and gently pulling away from the wall Slacken the retaining screw on the unit and open by hinging upwards along the top edge 2 Carefully remove batteries from the battery compartment and fit two new AA alkaline cells taking care to observe the correct battery polarities Check unit is functioning and re fit to the plastic base by hinging downwards from the top edge Ensure unit is properly closed and re tighten the retaining screw 3 Re mount onto the metal wall plate and check the TLX 7506 is still in radio communication with the RF Receiver This is easily done by adjusting the set point to switch on and off the hea
7. hermostat Transmitter and press any key to stop the transmission The display will stop flashing and return to normal The TLX 1206 RF Receiver will now only respond to radio signals with the installed code i e from the TLX 7506 Thermostat just installed Even if the power is removed from the Receiver it will not forget the installed code Check that the TLX 7506 and the TLX 1206 are communicating with each other by adjusting the TLX7506 Thermostat set point above or below the actual temperature thus generating a radio signal requesting the heating to come on or off and check that the boiler responds as expected The Red LED on the receiver will flash for 3 seconds each time a radio signal is received This will happen every time the TLX 7506 Thermostat calls for the heating to be switched on or off The TLX 7506 Thermostat also sends a radio signal every 5 minutes to make sure that the TLX 1206 Receiver knows what state it should be in Therefore every 5 minutes the Red LED will flash for 3 seconds If the TLX 1206 does not receive regular RF signals the Red LED will come on indicating that a fault condition has occurred and the heating system will be switched off Note If more than one Radio Controlled Digital Room Thermostat System is fitted within the same property it is important that the above procedure is used to install each Room Thermostat in turn so they are correctlmatched to the relevant Receivers Hin
8. ting system several times and checking the green indicator on the RF Receiver goes on and off accordingly TLX7506_User 16 8 99 Rev P 1 Commissioning This is the process of establishing communication between the Sunvic TLX7506 RF Transmitter and the TLX1206 RF Receiver The following assumes that the TLX7506 Room Thermostat and the TLX1206 RF Receiver have been installed in accordance with the appropriate instructions The commissioning procedure is simple and straightforward however should difficulties be experienced see the Hints and Tips section below It is important to read through these instructions once before carrying out the proceeding The procedure consists of putting the TLX 7506 Thermostat in a mode where it repeatedly sends a unique security install code During this time the RF Receiver is put into install mode when it receives and holds this unique security code The receiver will then respond to signals from that particular TLX 7506 Thermostat RF Receiver LED s indicators Red LED flashing Indicates receiving an RF signal Red LED steady on Indicates a fault condition e g RF signal not being received Red LED Indicates a valid Install code has been received slowly pulsing Green LED steady on Indicates demand for heat Green LED No demand for heat Off i e Heating call satisfied Checking the hard wired circuit 1 Apply power to the T
9. ts and Tips 1 Receiver RED LED steady on This could be an indication of dead batteries or some temporary interference with the radio signal Commissioning If nothing has happened after 20 seconds of holding the Install button pressed check the TLX 7506 Thermostat is still transmitting i e it may have been more than 5 minutes since it was started Minimum Set Point If while adjusting the set point it is found that it cannot be set below 16 C check that the with the installer that the unit has not been configured to restrict the minimum set point this is often required for installations in sheltered accommodation See Configuring above for details of how to re configure the unit Failure to operate If the heating fails to come on when the thermostat is calling for heat check the battery low indicator on the thermostat display If the display has faded replace the batteries as you may have previously overlooked the battery low indications If the batteries are removed for more than 5 to 10 minutes the unit may need to be re commissioned see above If there are any problems when fitting batteries i e blank or partial display reset the unit by REMOVING the batteries and holding any key pressed for 10 secs to fully discharge any residual voltage This product complies with the essential requirements of the following EC Directives Electro Magnetic Compatibility directive EMC 89 336 EEC as amended by 91
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