Digital Room Thermostat
Contents
1. RT300 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 purchase Salus Controls sole liability for breach of this warranty will be at its option to repair or replace the defective product m m e Custo er Na e e eeoeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee Customer Address e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeeeeeeeseeseeeeeeeeeeeeeeeeeeeeeeeeee P gt Tel No ost Code eeeeeeeeeeeeeeoeeeeeeeeeed e eoeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed e Email e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee Engineers Company s ssicisasiscnsaacesansnnsavsdasenpdescassnestaoaeteces l e el No eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed e Email e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee e Intallation Date e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee e Engineers Name e eoeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee Engineers Signature e eeceoeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee RT300 INSTRUCTION MANUAL ni RT300 Manual 002 89 23 1 10 11 03 Page 16 V7 salus tech Sales Email sales salus tech com Tel 01226 3239612. Technical Email tech salus tech com Tel 01226 323961 Salus Controls plc Salus House Dodworth Business Park South Whinby Road Dodworth Barnsley 75 3SP
3. To exit from the set point review press the BACKLIGHT FROST key or don t press any keys for approximately four seconds either of these actions will return the RT300 to displaying current room temperature SETTING SET POINT TEMPERATURE You can change the set point temperature very easily while you are reviewing the set point temperature Press the UP or DOWN keys repeatedly to change the temperature setting The set point temperature will flash to indicate that it can be changed ae The temperature will be changed in 0 5 C steps per key press The RT300 will return to Normal mode if no keys are pressed for more than four seconds Set point temperature cannot be changed if Frost Protection mode is enabled RT300 INSTRUCTION MANUAL 9 o Salus RT300 Manual 002 89 11 03 Page 10 By FROST PROTECTION To enable the Frost Protection mode press and hold the BACKLIGHT FROST button for three seconds 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 Ee ood oa el H was To turn off Frost Protection mode press and hold the BACKLIGHT FROST button for three seconds Please be aware that the Frost Protection mode operates as an additional protection feature but should not be used in place of a cor
4. correct and safe operation of the RT300 but a parking terminal is provided to connect an Earth wire if one is present 4 RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 11 03 Page 5 7 Backplate Connections Terminal Description Backplate L Mains Live m mepe SL Switched Live Bee Normally Open Contact B o 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 e The incoming AC mains supply should be 230V AC and fused at 5 amps e Optimum cable size for installation is 1 5 mm wiring colours should be in accordance with the current requirements of the IEE Wiring Regulations e Cable entry should be from the rear of the backplate p All wiring connections should be securely made and be firmly gripped beneath the square brass washer on each terminal The RT300 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
5. with a qualified electrician heating engineer or your boiler heating system supplier for advice on how to continue Do not remove or refit the RT300 onto the backplate without the mains supply to the system being isolated RT300 INSTRUCTION MANUAL 5 o Salus RT300 Manual 002 89 11 03 Page 6 By 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 positions required if changes need to be made to the factory default settings These jumpers are found on the rear of the Control Centre Jumper Function Default Temperature Movable jumper for 0 5 C span Span 0 5 C or 1 0 C span 6 RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 11 03 Page 7 7 AFTER INSTALLATION After completing installation and powering up the RT300 for the first time the thermostat will behave in the following way S All the indicators on the display and the backlight will be turned Kr on for two seconds After two seconds the RT300 will then operate in Normal mode Normal mode is when the thermostat n is displaying the room temperature The following table shows the settings of the RT300 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 Set Point Temperat
6. DUCTION A thermostat is a device that is used to switch the heating system in your home on and off as needed It works by sensing the air temperature and switching on the heating when the air temperature falls below the thermostat setting and switching it off once the set temperature has been reached The RT300 from Salus Controls is a stylish and accurate digital thermostat with a large easy to read Liquid Crystal Display LCD This thermostat has been specifically designed to be used Volt Free Features Volt free contacts Frost protection Large easy to read LCD with blue backlight Burner on symbol User friendly Stylish casing RT300 INSTRUCTION MANUAL 3 o Salus RT300 Manual 002 89 11 03 Page 4 By 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 RT300 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 RT300 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
7. d out by Salus Controls or their appointed agents Should the RT300 thermostat fail to function correctly check e The batteries are the correct type fitted correctly and are not exhausted fit new batteries if in doubt e The RT300 temperature has been set correctly e Heating system time switch or programmer is switched on WARRANTY ar 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 purchase Salus Controls sole liability for breach of this warranty will be at its option to repair or replace the defective product RT300 INSTRUCTION MANUAL 13 o Salus RT300 Manual 002 89 11 03 Page 14 By PRODUCT SPECIFICATION Model RT300 Type Surface mounted digital room Switching Switching Voltage Switching Current Contact Type Power Source Power Source Battery Life Temperature Range Accuracy Environment Operating Temperature Storage Temperature 14 thermostat designed for volt free heating applications 230V AC 50Hz 3A resistive 1A inductive Single Pole Single Throw SPST 2 x AA alkaline batteries Don t use rechargeable batteries Approximately 1 year 5 C to 35 C 0 5 C at 25 C 0 C to 50 C 20 C to 55 C RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 a 11 03 Page 15 wy
8. key to wake up the RT300 and cancel SLEEP mode RT300 INSTRUCTION MANUAL 11 o Salus RT300 Manual 002 89 11 03 Page 12 By TEMPERATURES OUTSIDE THE OPERATING RANGE Temperatures below 10 C are displayed without the leading 0 Temperatures exceeding the measurable range will be indicated by HI for temperatures above the upper limit and LO for temperatures below the lower limit as shown in the images below L c E g i i L 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 You can do this by setting the room thermostat to a low temperature for example 17 C and p then increasing the setting by one degree each day until you are comfortable with the room temperature you won t have to adjust the thermostat further as adjustment above this setting will waste energy a 1 C increase in temperature is equal to 3 of your heating costs 12 RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 11 03 Page 13 By MAINTENANCE The RT300 thermostat requires no special maintenance Periodically the outer casing can be wiped clean using a dry cloth please DO NOT use solvents polishes detergents or abrasive cleaners as these can damage the thermostat There are no user serviceable parts within the unit any servicing or repairs should only be carrie
9. on RT300 Manual 002 89 23 1 10 11 03 Page 1 ae Digital Room Thermostat LEAVY Instruction Manual 2 Model No RT300 UTES Salus RT300 Manual 002 89 11 03 Page 2 By PRODUCT COMPLIANCE This product complies with the essential requirements of the following EC Directives Electro Magnetic Compatibility directive 2004 108 EC e Low Voltage Directive 2006 95 EEC e 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 p 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 2 RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 ggn 11 03 Page 3 INTRO
10. rectly installed frost thermostat which is required to override all other controls in the system The backlight will remain illuminated for approximately 5 seconds 10 RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 11 03 Page 11 By OTHER FUNCTIONS AND CONTROLS Backlight The backlight of the RT300 is switched on automatically whenever any of the keys are pressed The backlight will remain illuminated for approximately 5 seconds after the last key press except if you are changing the set point temperature in this case the backlight will remain illuminated throughout the setting change process The backlight will not illuminate if the RT300 battery is low Battery Status The RT300 checks the battery voltage frequently during normal operation If the battery voltage is sensed as being low this is normally when the battery voltage falls to a level of around 2 6V the low battery indicator 3 will be displayed on the screen Although the digital thermostat will continue to operate normally at this stage you should replace the batteries as soon as possible to prevent any possible operating p problems Sleep Mode By pressing both the UP and DOWN keys together the RT300 will enter SLEEP mode In this mode all the RT300 functions will be paused to save battery power While in SLEEP mode e The LCD display will be blank e All output from the thermostat will be turned off immediately Press any
11. ure 20 0 C an C indicator Frost Protection indicator Off Heat indicator Off Low Battery Warning indicator Off updated within 5 seconds Output Relay Off After Power on the thermostat will operate in Normal mode Normal mode is when the thermostat is displaying the room temperature e The set point temperature is reset to the default setting e The room temperature display is updated within 5 seconds e The control process starts RT300 INSTRUCTION MANUAL 7 o Salus RT300 Manual 002 89 ggn 11 03 Page 8 OPERATION The status and operation of the RT300 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 RT300 making _S this thermostat very easy to operate These controls are shown below along with a description of each of their functions 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 8 RT300 INSTRUCTION MANUAL o Salus RT300 Manual 002 89 11 03 Page 9 By REVIEWING SET POINT TEMPERATURE You can view the set point temperature at any time by pressing either the UP or DOWN key
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