Model: PRT / PRT-N - The Floor Heating Warehouse
Contents
1. Default 07 17 C 12 C Default 00 15 Minutes 00 Default Set unique comms address 01 32 00 10 C 00 Default Built in Air Sensor Not used on this model 00 03 Hours 00 Default Minutes to raise by 1 C 00 Weekday Weekend 01 7 Day Programming 00 Default Re calibrating the Thermostat Factory Reset If you need to re calibrate the thermostat follow these steps The thermostat has a reset function to restore all settings to their factory defaults Press and hold the Power button to turn the thermostat OFF To perform a factory reset follow these steps Press and hold BOTH the Power and Down keys together until the i l temperature appears on the screen eese eee teentetenttnntonto sonne KOBRA e the thermostat FEsti Use the Up Down keys to configure thenewtemperature ajy a edd ri ONYE LE Dipower Up OTa Press A To CONMMM SEN GE aaa alinan sie alias A ng i e When the icons have disappeared from the screen the thermostat has Press the Power button once to turn the thermostat back ON O been successfully reset Press the Power button once to turn the thermostatbackON All icons displayed simultaneously Factory reset is complete Calibration Temperature Setting Set Icon Slimline Series Model PRT PRT N SWITCHED LIVE TO BOILER Wir2. hold feature These features are explained further on pages 14 and 15 of this manual Programmable room thermostats need a free flow of air to sense the temperature so they must not be covered by curtains or blocked by furniture Nearby electric fires televisions wall or table lamps may also prevent the thermostat from working properly Model PRT PRT N Installation Procedure Do d Mount the thermostat at eye level Read the instructions fully so you get the best from our product Don t xXx Do not install near to a direct heat source as this will affect functionality Do not push hard on the LCD screen as this may cause irreparable damage This Slimline Series thermostat is designed to be flush mounted and requires a back box of 35mm minimum depth to be sunk into the wall prior to installation Step 1 Carefully separate the front half of the thermostat from the back plate by placing a small flat head terminal driver into the slots on the bottom face of the thermostat Step 2 Place the thermostat front somewhere safe Terminate the thermostat as shown in the diagrams on pages 25 29 of this booklet Step 3 Screw the thermostat back plate securely into the back box Step 4 Clip the front of the thermostat back onto the thermostat back plate Slimline Series Model PRT PRT N 5 2 3 4 suni Tu T Fri Sat N HOLD E FOR ET Y ae ee uc h ROOM TEMP set L L cF WAKE LEAVE RETURN
3. SLEEP 7 LA T 7 Slimline Series X LCD Display go 10 11 12 Room Temp Indicates the current temperature sensor mode Day Indicator Displays the current day Frost Icon Displayed when the thermostat is in frost protection mode Flame Icon Displayed when the thermostat is calling for heat the flame icon will flash when the optimum start function is in operation Temperature Hold When a Temp Hold is active HOLD FOR and the remaining time period is displayed Set Indicates when changes are being made to programs or temperature set points Holiday Indicator Displayed when the thermostat is in holiday mode Current Temp Indicates the current sensor temperature Program Cycle Indicator Displayed during programming only to show which period is being altered Keypad Lock Indicator Displayed when the keypad is locked Units of Temperature Degrees Celsius or Fahrenheit Clock Digital clock display in 24h format Model PRT PRT N Setting the Clock Temperature Display To set the clock follow these steps The temperature display information is driven by two different inputs the sensor With the thermostat turned ON press the Clock key twice ccsssssssssssssssssssssssssen measurement and the target temperature you have set Use the Up Down keys to set the hours eese ajv Room Temperature Set Temperature Press H to conti seti Smmm lid dadanan H Use the Up Down ke
4. Series Use the Up Down keys to enter the required WAKE time ajy Press H to confirm settings deste re enit Heer vn er Fn HU Pr Vni CHR ind H Use the Up Down keys to enter the required WAKE temperature ajy Press H to confirm settings esssseesessssssesssssssccressseeeeeosssseesosssssctreosssereosssssesrssssseerees H You will now see LEAVE displayed on screen Repeat the programming steps for each period until complete For unused periods enter and the thermostat will ignore the setting Press A to confirm settings and return to main display Note In 7 Day programming mode you can repeat for each day independently In Weekday Weekend programming mode you will see Sat Sun displayed on screen and can repeat for the weekend To change the programming mode please refer to pages 20 22 Model PRT PRT N O Locking the Thermostat Temperature Control The thermostat has a keypad lock facility To activate the lock follow these steps The Up Down keys allow you to adjust the set temperature ajy Press and hold the A and Down keys together for 10 seconds ALY When you press either key you will see the word SET and the desired You will see the lock symbol appear on screen sss temperature will be displayed on screen To unlock repeat the steps above until the lock symbol disappears Us
5. e the Up Down keys to adjust the SET value sss ajy Press A to confirm settings and return to main display sss Note The keypad lock indicator is only displayed when the lock is active Note This override will be maintained until the next programmed comfort level Mon Pa eS co ROOM TEMP l1 gt Set Temperature L Lic SET LI c poo oom oj Set Icon e e Keypad Lock Indicator Slimline Series Model PRT PRT N Temperature Hold Holiday The temperature hold function allows you to manually override the current operating The holiday function reduces the set temperature in your home to the frost program and set a different temperature for a desired period protection temperature setting see page 19 Press H to commence temperature hold sette H The thermostat will maintain this temperature for the duration of the holiday and will A v then automatically return to the program mode on your return Use the Up Down keys to enter the required hold time H H PressHthreetimes untilyouseethesuitcaseonscreen Press H to confirm Settings saanen asetat senay ren urn Hed abere A v aly e Use the Up Down keys to enter the number of days holiday Use the Up Down keys to enter the required hold temperature A Press A to confirm
6. ed technical specifications for our complete product range www heatmiser com guide Want More Information Call our support team on 44 0 1254 669090 Or view technical specifications directly on our website www heatmiser com Twitter heatmiseruk Facebook facebook com thermostats
7. heatmiser SETARE Model PRT PRT N Model PRT PRT N heatmiser oOIGOIHMMAIvIlA Table of Contents Product Image Table of Contents What is a Programmable Room Thermostat Installation Procedure LCD Display Setting the Clock Temperature Display Setting the Comfort Levels Locking the Thermostat Setting the Temperature Temperature Hold Holiday Programming Frost Protection Power On Off Optional Features Re calibrating the Thermostat Factory Reset Wiring Diagrams 3 4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 22 23 24 25 29 What is a Programmable Room Thermostat A programmable room thermostat is both a programmer and a room thermostat The programmer allows you to set On and Off periods to suit your own lifestyle The room thermostat works by sensing the air temperature switching on the heating when the air temperature falls below the thermostat setting and switching it off once this set temperature has been reached So a programmable room thermostat lets you choose what times you want the heating to be on and what temperature it should reach while it is on It will allow you to select different temperatures in your home at different times of the day and days of the week to meet your particular needs and preferences Setting a programmable room thermostat to a higher temperature will not make the room heat up any faster How quickly the room heats up depends o
8. ing Diagram PRT to Boiler S L THIS UNIT MUST BE PROTECTED BY A FUSE OR RCD PRT 230V AC 50 60Hz TO CONNECT BOILER CONSULT BOILER MAKERS DIAGRAM LIVE 230V SUPPLY IN NEUTRAL Slimline Series Wiring Diagram PRT to Boiler Voltfree THIS UNIT MUST BE PROTECTED BY A FUSE OR RCD PRT 230V AC 50 60Hz TO CONNECT BOILER CONSULT BOILER MAKERS DIAGRAM VOLT FREE TO BOILER LS LS amp LR ARE NORMALLY THE ROOM THERMOSTAT CONNECTIONS LIVE 230V SUPPLY IN NEUTRAL Model PRT PRT N Wiring Diagram PRT to Valve Wiring Diagram PRT N to PRC Volt Free Switching THIS UNIT MUST BE PROTECTED BY A FUSE OR RCD Recommendations Max Cable Size 1 5MM Back Box Depth 35MM Max Load 3 Amps PRT 230V AC 50 60Hz TO CONNECT BOILER CONSULT BOILER MAKERS DIAGRAM LIVE 230V SUPPLY IN LS TO BOILER NEUTRAL For 230V switched live NEUTRAL output link mains L to C LS amp LR ARE NORMALLY THE HEATING VALVE ROOM THERMOSTAT CONNECTIONS 230V SUPPLY IN Volt Free Output Slimline Series Model PRT PRT N Connecting PRT N to the UH1 The UH1 allows connection of up to eight 12 volt network thermostats When connecting network thermostats to the UH1 use CAT5 FTP or BELDEN 9538 Connect the screen to Earth at the UH1 Slimline Series Model PRT PRT N Heating Professionals Request a copy of our product installation guide containing detail
9. m 00 15 minutes The default is 00 which means there is no delay Feature 06 Communication Address This setting is used when you have connected your thermostat to a network system Each thermostat on your network must have a unique communication address This can be set from 01 32 Slimline Series Feature 07 Temperature Up Down Limit This function allows you to limit the use of the Up and Down keys This limit is also applicable when the thermostat is locked and so allows you to give others limited control over the heating system Feature 08 Sensor Selection This thermostat has a built in air sensor Feature 09 Floor Temp Limit This function is not available on this model Feature 10 Optimum Start Optimum start will delay the start up of the heating system to the latest possible moment to avoid unnecessary heating and ensure the building is warm at the programmed time The thermostat uses the rate of change information to calculate how long the heating needs to raise the building temperature 1 C with a rate of change of 20 the thermostat has calculated the heating needs 20 minutes to raise the building temperature 1 C and starts the heating accordingly Feature 11 Rate Of Change This is the number of minutes the thermostat has calculated it takes to raise your building temperature 1 C The thermostat will continue to monitor and learn the heat up time of your home to optimise heating efficiency Feature 12 Programmi
10. n the design amp size of the heating system Similarly reducing the temperature setting does not affect how quickly the room cools down Setting a programmable room thermostat to a lower temperature will result in the room being controlled at a lower temperature and saves energy The way to set and use your programmable room thermostat is to find the lowest temperature settings that you are comfortable with at the different times you have chosen and then leave it alone to do its job Slimline Series The best way to do this is to set the room thermostat to a low temperature say 18 C and then turn it up by 1 C each day until you are comfortable with the temperature You won t have to adjust the thermostat further Any adjustment above this setting will waste energy and cost you more money If your heating system is a boiler with radiators there will usually be only one programmable room thermostat to control the whole house But you can have different temperatures in individual rooms by installing thermostatic radiator valves TRVs on individual radiators If you don t have TRVs you should choose a temperature that is reasonable for the whole house If you do have TRVs you can choose a slightly higher setting to make sure that even the coldest room is comfortable then prevent any overheating in other rooms by adjusting the TRVs You are able to temporarily adjust the heating program by overriding or using the temperature
11. ng Mode The thermostat offers 2 programming methods Weekday Weekend allows you to program 4 comfort levels for the weekdays and 4 different comfort levels for the weekend In 7 Day program mode each day has 4 comfort levels that can be programmed independently Model PRT PRT N S Adjusting the Optional Settings To adjust the optional settings follow these steps e Pressand hold the Power button to turn the thermostat OFF e Press and hold the Clock key until the display appears as shown below Setting Value Feature Number Use the Clock key to cycle through the features sees Use the Up Down keys to change the setting sees aly e Press A to confirm settings ccsessessessssessecsscsesscsecsecsscsscsessecsecsecsecsesassseesecaceaseaseaseneeeeess A Press the Power button once again to turn the thermostat back ON Slimline Series Optional Settings Feature Table FEATURE 01 02 03 04 05 06 07 08 09 10 11 12 DESCRIPTION Temperature Format Switching Differential Frost Mode Frost Protection Temperature Output Delay Communications ID No Up Down Temperature Limit Sensor Selection Floor Temperature Limit Optimum Start Rate of Change Program Mode Model PRT PRT N SETTING 00 C 01 F C Default 01 03 C 01 C Default 00 Enabled 01 Disabled 00
12. rost mode the flame icon will be displayed The display and heating output will be turned OFF completely To cancel the frost protect mode press the Power button once again To turn the thermostat back ON press the Power button once again Thermostat completely OFF Thermostat powered ON Frost Protection Mode Enabled heatmiser heatmiser o Alyda o n See Feature 3 on page 19 Slimline Series Model PRT PRT N ES Optional Features Explained THE FOLLOWING SETTINGS ARE OPTIONAL AND IN MOST CASES NEED NOT BE ADJUSTED Feature 01 Temperature Format This function allows you to select between C and F Feature 02 Switching Differential This function allows you to increase the switching differential of the thermostat The default is 19C which means that with a set temperature of 20 C the thermostat will switch the heating on at 19 C and off at 20 C With a 2 C differential the heating will switch on at 18 C and off at 20 C Feature 03 Frost Protect You can set whether the thermostat will maintain the frost temperature when the thermostat display is turned off As a default this is enabled Feature 04 Frost Protect Temperature This is the temperature maintained when the thermostat is in frost mode The range is 07 17 C The default is 12 C and is suitable for most applications Feature 05 Output Delay To prevent rapid switching an output delay can be entered This can be set fro
13. settings andreturntomaindisplay Press A to confirm settings andreturntomaindisplay The display will show a suitcase indicating the thermostat is in holiday mode You will see the Hold For indication is displayed on screen The time will countdown the set duration and then revert to the normal program Nofer A holday a e yau ser a holiday period on Friday for 2 days Saturday will be counted as the first day and the thermostat will revert back to the programmed schedule at 00 00 on Monday Hold ON Indicator Hold Time Remaining Holiday Days Holiday ON Indicator To cancel temperature hold follow the same steps but reduce the Hold time to 00 00 hours To cancel follow the same steps but reduce the Holiday duration to 00 days Slimline Series Model PRT PRT N Frost Mode Heating On Off The heating is indicated ON when the flame icon is displayed l Pressing the Power button fonce will place the thermostat in frost protect mode When the flame icon is absent there is no requirement for heating to achieve the In this mode the thermostat will display the frost icon and will only turn the heating set temperature but the thermostat remains active on should the room temperature drop below the set frost temperature see page 19 To turn the thermostat OFF completely press and hold the Power button Should the heating be turned on whilst in f
14. ys to set the minutes essere a Y Press H to confirm settings sc ieri HERR Fir or PO Er ERE Ehe rt i EURO UU Y H Use the Up Down keys to setthedayoftheweek ajv Press A to confirm settings andreturntomaindisplay Day Hours This is the current room temperature This is the temperature you are trying to achieve in your home Minutes Slimline Series Model PRT PRT N e Comfort Levels Explained The thermostat provides Weekday Weekend or 7 Day Programming options You should consult the Optional Features section to select the required mode The thermostat is supplied with comfort levels already programmed but these can be changed easily The default times and temperatures are 08 00 21 C Wake 09 30 16 C Leave 16 30 22 C Return 23 00 17 C Sleep If you only want to use 2 levels you should program the unused levels to Note For Weekday Weekend programming the 4 comfort levels are the same for all weekdays but can be different for the weekends For 7 Day programming each day can have 4 different comfort levels To program comfort levels press Clock once esssesssssssssesssssssecreossscceeossssssessssssseresssserees For Weekday Weekend programming For 7 Day programming Mon Tue Wed Thu Fri only Mon is displayed are displayed on screen in the day indicator field Slimline
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