Model: PRT-ETS / PRT-ENTS - The Underfloor Heating Store
Contents
1. a h Model PRT ETS PRT ENTS 5 6 7 LED LCD Display m 1 Day Indicator Displays the day of the week 2 Holiday Indicator Displayed when the thermostat is in Holiday mode MON TUE WED THU FRI SAT SUN m 1771 3 O Temperature Hold Displayed when the thermostat is in Hold mode 8 AM cere ya ai 4 Clock Displays time in normal operation time left in hold or days left in DAYS holiday mode OFF Up Down Keys Increase or decrease values shown on top digit group 1 0 T LEAVE 6 Flame Icon Displayed when the thermostat is calling for heat the flame icon will AA e N f flash when optimum start function is in operation 7 Keypad Lock Icon Displayed when the keypad is locked UT 1 1 i pa l Cc F 8 OFF Key Single press to enable disable frost protection or press and hold to turn off display O FLOR TEMP 1 9 9 Frost Icon Displayed when the thermostat is in frost protection mode 1 2 EE 10 Floor Temp Achieved Icon Displayed when the floor set point temperature is reached 11 Room Floor Temp Indicates the current temperature sensor mode SLEEP 12 Set Indicates when changes are being made to programs or temperature set points 1 4 len nm ba J 13 Clean Screen Freezes screen temporarily to enable cleaning 14 Up Down Keys Increase of decrease values shown on bottom digit group 1 5 PROG HOLD HOLIDAY SCREEN 15 o Cancel Key ri to exit selup program o2. Remote air sensor In this mode the thermostat will maintain the set temperature by monitoring the remote air sensor 02 Floor sensor In this mode the thermostat will maintain the set temperature by monitoring the remote floor temperature 03 Floor sensor and built in air sensor In this mode the thermostat will maintain the set temperature by monitoring the built in air sensor and will also ensure the floor surface doesn t overheat by monitoring the remote floor sensor 04 Floor sensor and remote air sensor In this mode the thermostat will maintain the set temperature by monitoring the remote air sensor and will also ensure the floor surface doesn t overheat by monitoring the remote floor sensor Feature 09 Floor Limit Temperature This function allows you to set a maximum floor temperature in order to protect the floor surface from overheating This function works for Sensor Modes 03 amp 04 see above The default setting is 28 C Model PRT ETS PRT ENTS ga Optional Features Continued 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
3. by adjusting the TRVs You are able to temporarily adjust the heating program by overriding or using the temperature 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 ETS PRT ENTS Installation Procedure Do V Mount the thermostat at eye level Read the instructions fully so you get the best from our product Don t 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 Touchscreen 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 27 30 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 TouchScreen Series F jf e EEE ES
4. ature appears on the screen ON Press ana holgthe ON key until the temperature appealon tne scean Press amp hold the OFF key to turn the thermostat display OFF wssssssssssssssssssssseeeeeee OFF Use the Up Down keys to configurethenewtemperature wv a Prese and hold the bottom Giebinero helo fori Osccends Press DONE to Confirm the new temperature eeeeeee erer DONE All of the screen icons will appear for 2 seconds and then disappear ON i Press the ON key once to turn the thermostatbackON meeeseeeeeeeemeesen J s PresetheOn keyonee to tim the thermostat display back ON ank TON All icons displayed simultaneously Factory reset is complete Calibration Temperature Setting Set Icon TouchScreen Series Model PRT ETS PRT ENTS eee Wiring Diagram PRT ETS With Remote Floor and Air Sensors for Use in Wet Areas Maximum load 16A AC resistive MATTING OR WIRE Remote Probes Live Neutral Supply in 85V 230V AC Remote Air Sensor PRT ETS TouchScreen Series The mains supply must be properly protected and fused Wiring Diagram PRT ETS With Remote Floor Probe Used for Use in Dry Areas or For Direct Floor Control Maximum load 16A AC resistive MATTING OR WIRE Remote Live Neutral Supply in 85V 230V AC Remote Air Sensor Se ee Sa a PRT ETS Model PRT ETS PRT ENTS Th
5. 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 Programming 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 TouchScreen Series 4 Adjusting the Optional Settings To adjust the optional settings follow these steps Press PROG A NY nns PROG E RES SET E E A AE E EA E EE ETUE Feature Number Setting Value Use the Up Down keys at the top of the screen to select the feature number shown on pages 19 21 and then use the Up Down keys in the center to adjust the setting ssesseessssssscessssseeressssssseessssseccesssseereosssssserssssseerees Cw a Press DONE to confirm settings and exit ssesssseesssssseeressssocesssssssecessssseereossse DONE Model PRT ETS PRT ENTS Optional Settings Feature Table FEATURE 01 02 03 04 05 06 07 08 09 10 DESCRIPTION Temperature Format Switching Differential Frost Protect Frost Protection Temperature Output Delay Communications ID No Up Down Temperature Limit Sen
6. e mains supply must be properly protected and fused Wiring Diagram PRT ENTS Wiring Diagram PRT ENTS to PRC Optional Remote Air Sensor Connection For Use In Wet Areas 230V SUPPLY IN Volt Free Output Connecting PRT ENTS to the UH1 The UH1 is an 8 zone wiring centre that can be expanded to control up to 32 zones When connecting PRT ENTS to the UH1 use CAT5 FTP or BELDEN 9538 Connect the screen to Earth at the UH1 Recommendations Max Cable Size 1 5MM Back Box Depth 35MM Max Load 3 Amps Remote Air Sensor PRT ENTS PRT ENTS for use in wet area where floor temperature control or limiting is required PRT ENTS For 230V switched live output link mains L to C TouchScreen Series Model PRT ETS PRT ENTS Heating Professionals Request a copy of our product installation guide containing detailed 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. heatm ser Model PRT ETS PRT ENTS Model PRT ETS PRT ENTS FLOOR TEMP E T Oy a PROG HOLD HOLIDAY SCREEN heatmiser TouchScreen Series ua Table Of Contents Product Image 1 Table of Contents 2 What is a Programmable Room 3 4 Thermostat Installation Procedure LCD Display Setting the Clock Temperature Display Comfort Levels Explained Clean Screen Locking the Keypad Temperature Control Temperature Hold Holiday Programming Frost Protection Heating ON OFF Optional Features Explained Adjusting the Optional Settings Optional Settings Features Table Error Codes Re calibrating the Thermostat Factory Reset Wiring Diagrams Model PRT ETS PRT ENTS 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 roo
8. m thermostat to a higher temperature will not make the room heat up any faster How quickly the room heats up depends on 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 TouchScreen 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
9. on should the room temperature drop below the set frost temperature see page 19 Should the heating be turned on whilst in frost mode the flame symbol will be displayed To cancel the frost protect mode press the OFF key once Frost Protection Mode Enabled TouchScreen Series Heating On Off The heating is indicated ON when the flame icon is displayed When the flame icon is absent there is no requirement for heating to achieve the set temperature but the thermostat remains active To turn the thermostat OFF completely press and holdtheOFFkey OFF The display and heating output will be turned off completely To turn the thermostat back ON press the ON key ONCE weecccssssssesssssssseesssssssseesssssssssecs ON Thermostat completely OFF Thermostat powered ON hestmiser heatmiser See Feature 3 on page 19 Model PRT ETS PRT ENTS ga 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 or F Feature 02 Switching Differential This function allows you to increase the switching differential of the thermostat The default is 1 C which means the thermostat will switch the heating on 1 C below the set temperature and will turn it off when the set temperature is achieved With a 2 C differential the heating will switch on 2 C below the se
10. ou to view the current floor temperature Pressing FLOOR again will return the thermostat to the room temperature display Model PRT ETS PRT ENTS e Comtor Levels Explained Press PROG nsss A A NAE dada Use the Up Down keys to set the time for WAKE period Cy a Comfort levels allow you to set different temperatures throughout the day For example Ow a you may want the home warm in the morning when you are getting ready for work Use the Up Down keys to set the temperature ou cesses cooler during the day when the house is unoccupied and then warmer in the evening Repeat these steps for the LEAVE RETURN amp SLEEP periods LEAVE RETURN steer when you are home relaxing The thermostat offers 2 programming options 5 2 Day Programming 4 levels for the weekdays and 4 different levels for the weekend 7 Day Programming 4 levels for each day See page 21 for details on how to switch between these modes DAY Press DAY to select the next day to program and repeat Tip If you don t want to use all of the comfort levels just set the time to Default comfort levels are pre programmed but you can change them easily Weekday Level Time Temp Wake 08 00 21 C Leave 09 30 16 C Return 16 30 22 C Sleep 23 00 17 C Weekend Level Time Temp In 5 2 Day mode the thermostat will display In 7 Day mode the thermostat will Wake 09 00 21 C Sa
11. perations CANCEL CLOCK SETUP DONE 16 Setup Programming Keys Used to navigate li options 17 View Floor Temperature Key Used to change display to show floor temperature 18 Current Temp Indicates the current sensor temperature 1 e J 19 Units of Temperature Degrees Celsius or Fahrenheit 20 Comfort Level Selection Keys Used in comfort level setup see page 11 TouchScreen Series Model PRT ETS PRT ENTS Setting the Clock To set the clock follow these steps Press PROG A le MY eee A NC NE Resare Eiin Use the Down key to Set the hours csssssssscsssssscesssscssscsscnscssesscsssesscsscesseess Use the Up key to set the minutes ss ssesesssssssssssoereessssssssssserreeeesssssssseerreeesssss Use the Day key to set the day of the week sesssssssssscssecsssssesesescssesseess Press DONE to confirm and exit Luc ssccscsestsestsssescsesessstscsesesesessssseseseeeees Day Hours Minutes Change Minutes Change Hours TouchScreen Series Temperature Display The temperature display information is driven by two different inputs the sensor measurement and the target temperature you have set Room Floor Temperature SET Temperature This is the current room floor This is the temperature you are trying temperature to achieve in your home When the thermostat is in air and floor sensing mode the thermostat will display a FLOOR button Pressing this allows y
12. sor Selection Floor Temperature Limit Optimum Start Rate of Change Program Mode TouchScreen Series SETTING 00 C 01 F C Default 0 5 3 0 C 1 C Default 00 Disabled 01 Enabled 01 Default 07 17 C 12 C Default Enter Value 00 15 Minutes 00 Default Enter number 01 32 00 10 C 00 Default 00 Built in Air Sensor 01 Remote Air Sensor 02 Floor Sensor 03 Floor Sensor and Built in Air Sensor 04 Floor Sensor and Remote Air Sensor 20 45 C 28 C Default 00 Disabled Default 01 01hr 02 02hr 03 O3hr For Information Only 00 Weekday Weekend Default 01 7 Day Programming Error Codes EO The internal sensor has developed a fault You should contact your thermostat retailer for assistance E1 The remote floor probe has not been connected has been wired incorrectly or the probe is faulty E2 The remote air probe has not been connected has been wired incorrectly or the probe is faulty Error Icon Error Number Model PRT ETS PRT ENTS 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 OFF Press and hold the OFF key to turn the thermostat OFF sssssssssosssessssssssseoerreeessssssseeeee Topera iacta reset follow thesestens il the temper
13. t Sun prompting you to program the display Tue Leave 22 00 16 C temperature levels for the weekend Return C Sleep C When complete press DONE to confirm settingsandexit DONE TouchScreen Series Model PRT ETS PRT ENTS Clean Screen Temperature Control Pressing will disable all keys providing you 15 seconds to wipe the screen The CY a keys under the temperature display allow you to adjust the clean before the keys are re activated set temperature i When you press either of these keys you will see the temperature and O Locking the Keypad the word SET appear on screen The thermostat has a keypad lock facility Select the desired temperature and press vme to confirm and exit To activate the lock press the bottom right corner of the display and hold for 10 secs Note This new temperature is maintained only until the next programmed comfort level At this time the thermostat will revert back to the programmed levels When activated you will see the Keypad Lock symbol 7 To cancel press the bottom right corner of the display again for 10 secs Keypad Lock Indicator Set Temperature Set Icon TouchScreen Series Model PRT ETS PRT ENTS Temperature Hold The temperature Hold function allows you to manually override the current operating program and set a different temperature for a desired period e Press HOLD ME HOLE e Use the top set of Up Down keys
14. t temperature and will switch off when the set temperature is achieved 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 from 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 the network must have a unique communication address This can be set from 01 32 TouchScreen 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 offers 5 sensor modes 00 Built in air sensor In this mode the thermostat will maintain the set temperature by monitoring the built in air sensor Note Built in air sensor only MUST NOT be used to control electric under floor heating Floor sensor only or built in air amp floor sensor together must be used 01
15. tosettheholdperiod va Use the center set of Up Down keys to set the hold temperature v a e Press DONE to confirm and exit sssesessesessesseesesccssseessceosserossessscosseeosssessscossseosseesssee DONE Hold Icon Hold Time Hold Temperature To cancel a Temperature Hold follow the same steps but reduce the time to 00 00 TouchScreen Series Holiday The Holiday function reduces the set temperature in your home to the frost protection temperature setting see page 19 The thermostat will maintain this temperature for the duration of the holiday and will then automatically return to the program mode on your return A e houna e Enter the desired duration in days eessssssssssooreeessssssssseeereeeesssssseeceee v a e Press DONE to confirm and exit vc cesescsesssssesescseessssssssescseessseseeeees Note A holiday period does not start until 00 00 the next day For example if you set 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 Holiday Icon Holiday Days To cancel a Holiday setting reduce the Holiday time to 00 days Model PRT ETS PRT ENTS Frost Mode Pressing the OFF key once will place the thermostat in frost protect mode In this mode the thermostat will display the frost icon and will only turn the heating
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