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Operating instructions Logamatic EMS

1. 44 5 re oe n W Bi u Peper nsec cece cece ees x Display explanation of 12 ut oor SACK MOG everresesssseseesescees Disposal cee ssc cucscaenscecesessaseceseens 11 Outside temperature control 47 50 Outside temperature variation 21 E Outside temperature higher 49 E ergy daino 9 11 25 38 39 P Tips for energy efficiency 48 Parameters reset all ooo 0 0 00 cc cece e eee eee 53 F Party f neti 2assa suru uuu TE 43 Fauan nn 51 Pause function Q vsssassassassqa seisis 43 FACES wasunman quas quas 51 Permanent display san snenatensabesnnetoos des 28 Flow temperature 27 Please eben NEP eGoeheteteshahaibehehabibe ies 52 Frost 7 53 Power failure rrrrrssrisssss 22 Faults in the case of frost hazard 51 Preheat phase gas heat pump 45 FrostiDr t n qaqa aq aq a Luli lia 50 Pump eee 50 G Q Gas heat pump 45 Quick reference guide 8 Getting started 9 R H RC35 heating circuits 26 28 Heat constantly manual day 13 29 Reduced mode acinessserensensceteeset sepia 99 Heat DHW once 18 Reference TOOM Q nebi E EEEE RS ESES 47 Heat pump 45 Remote control 27 Heat circu
2. Back Go back one step or one menu item In automatic mode the LED for the display of the current operating mode day mode or night mode also lights up in addition to the LED AUT Exception with boilers with UBA1 x only the LED AUT lights up The DHW LED can also be switched off With boilers with UBA1 x the DHW LED does not light up at all Buderus 9 Logamatic EMS 6 720 801 386 2011 05 Table of contents Overview Of controls 1 cece cece eee eee eee eee eee eee 2 Guide to instructions cc cece cece cence eee eee eee eee eee 5 1 Key to symbols and safety instructions 0 cece eect e enna ee nee 6 1 1 Explanation of Symbols 2ccccerriccccecra feeder vee eee EEE VANS S NE ordi bee ea aaeea ees 6 1 2 Safety instructions cocci reer qaq qa AE PEE TEER A eee acer ee eee a eaeea TE es 7 2 Getting started 0 cece eee eee eee eee eee eee eee eee 8 3 Information about the appliance 0 cee cece eee eee eee eee eee eee eee 11 84 Product deSCription s sssesnsessssensssossaddddaddd aaa qaqa N E E E a eee nas alana 11 3 2 COn ECHUSE cu uuu susuusssssssasssssasssspsosnpssuuuuuiassquaekaumaqascusasuss sas aaa 11 33 EU Declaration of Conformity 2 00cccce0c eeciiieete esse seer soatda nenn nE EEEE aaa se 11 B34 Cleaning ciciccctccreconsroomooaroe rea weaeseaaqanaaandeaataaaennaaesnas Bade E 11 35 Disposal nistaaeeraranniancnenie
3. Operation with the user menu 5 What is a heating circuit A heating circuit describes the circuit taken by the heating water from the boiler to the radiators and back again Multiple heating circuits can be connected to one boiler for example one heating circuit for radiators and another heating circuit for underfloor heating The radiators are supplied with a higher flow temperature than the underfloor heating system The flow temperature is the temperature of the heating water generated by the boiler as it flows into the heating circuit With the RC35 programming unit you can operate and control multiple heating circuits 1 Beside the RC35 a separate remote programmer e g RC2x can also be installed for further heating circuits 2 A remote control is advisable if you want to control different heating systems e g radiators underfloor heating and or different temperature levels O HK1 RC35 RC35 Fae HK 2 sale HK 2 6 720 641 642 01 1RS Fig 2 Options for a heating system with two heating circuits 1 Both heating circuits are controlled by one programming unit 2 Each heating circuit has its own progra
4. i Turn the C rotary selector to switch between the days Press when you have finished making entries system assumes you have finished making entries and goes on to the next step li If you have changed the program and then do not press any button for five minutes the 5 Hold the button pressed down and turn the rotary selector to save the changed or new program as User defined1 or User defined2 The selected program user defined1 or user defined2 is used from now on for that heating circuit 6 Select do not save to cancel Buderus 36 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 5 6 6 Setting room temperatures The room temperatures menu item is only available for heating circuits without a remote control unit the first case below In the other two cases the room temperatures menu item is not displayed Possible case scenarios e Heating circuits without remote programmer gt page 54 setting none compared with the RC35 heating circuits different room temperatures are possible Setting of the room temperature as described below RC35 heating circuits the room temperatures are the same for all heating circuits which are allocated to the RC35 For the RC35 heating circuits you need to set the room temperature using J not in the user menu gt page 16 e Heating circuits with remote programmer e g RC2x RC20 RF the room temperatures are not set at the pro
5. Permanently OFF The DHW circulation pump is not triggered at the set interval You can use the button to heat up the hot water and start circulation when needed 5 5 4 Operating modes for solar Automatic default setting Permanently OFF manually switched off Permanently ON constant manual operation The solar thermal system will be in constant operation for 30 minutes at maximum pump output After 30 minutes the solar heating system automatically switches back into automatic mode The operating mode constant operation effects a manual control of the solar circuit pump However the solar thermal system will cut out if either the collector array or the cylinder exceeds their maximum permissible temperatures collector protection function li For explanations regarding the settings see the solar module documentation Buderus 30 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 5 6 Setting the switching program Automatic mode ensures automatic changeover between day and night mode at defined times In the basic setting either 21 C or 17 C are set for day or night mode Before you select a switching program i e a heating program consider the following At what time in the morning should your home be warm Is this time also subject to the day of the week Are there days when you do not want your home to be heated during the day From what time in the evening
6. CP DHW program according to Separate DHW heating DHW program as circuits and no program per heating separate DHW page 38 and Separate circuits own WW CP program2 no separate DHW CP Holiday factory program factory DHW CP program set as setting page 38 setting program2 page 38 Absent Holiday mode Holiday mode CP off complete DHW off system ECO Absent With all HC in No holiday If all HC set to No holiday No holiday individual holiday mode mode holiday holiday mode mode heating holiday mode mode CP off circuits DHW off ECO If at least one If at least one HC not set to HC not set to holiday no holiday no holiday mode holiday mode At home As per as WW As per Saturday as WW as ZP complete Saturday program for switching program for program for system switching Saturdays 3 program Saturdays Saturdays program At home If all HC set to No holiday If all HC set to No holiday No holiday individual holiday same mode holiday same as mode mode heating as switching switching circuits program for program for Saturdays Saturdays If at least one If at least one HC not set to HC not set to holiday no holiday no holiday mode holiday mode Table 14 Function of domestic hot water DHW and DHW circulation pump CP in holiday mode 1 This function depends on the boiler used 2 No separate program has been set for DHW circulation i e the times for the DHW circul
7. selector at the same time Release the button The modified value is saved 6 Press ae go back one step Press several times or close the flap to return to the standard display af O N Example setting the continuous heating operating mode for heating circuit 1 Operation Result 1 Open the flap by pulling the recessed grip on the left Fr 02 12 2005 10 20t 21 5 C 2 Press to open the USER MENU a a gt standard display operation modes switching programme sum win threshold 3 Turnthe Pi selector to the left until operation modes is selected USER MENU standard display Poperation modes switching programme sum win threshold Table 9 How to use the user menu example Buderus Logamatic EMS 6 720 801 386 2011 05 93 5 Operation with the user menu Operation Result 4 Press the button to confirm the selection USER OPERATING MODE The USER OPERATING MODE menu is opened pheating circuit 1 heating circuit 2 The appearance of the display depends on the number of heating circuit 3 heating circuits If there is only one heating circuit installed enesis or waren with no DHW and no DHW circulation pump this screen will not appear at all Z page 26 Continue to the next step 5 Press to select heating circuit 1 3 JORERATINGEMODENH CANE Which operation m
8. 28 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 5 4 Setting standard display This menu item can be used to select the default value to be displayed in the upper row of the display screen permanent display 1 Open the user menu 2 Select standard display You can choose from the following standard displays Date time basic setting outside temperature recorded outside temperature boiler temperature recorded boiler water temperature flow temperature DHW temperature in DHW water cylinder collector temperature with solar thermal systems only 5 5 Selecting the operating mode 5 5 1 Operating modes for RC35 heating circuits For the RC35 heating circuits the operating mode can be set directly through pressing the respective button e g Gu For other heating circuits use this menu item If the heating circuit is equipped with a remote control unit e g RC2x RC20 RF you can also use the operating mode keys on the remote control 1 Open the user menu 2 Select operation modes 3 If your heating system is equipped with more than one heating circuit gt page 26 select the required heating circuit and confirm 4 Set the operating mode for the selected heating circuit Automatic switching program Continuous heating manual day mode Permanently reduced manual night mode For more information on the operating modes refer to page 13 If there is only one heatin
9. 30 23 30 Sun 7 00 23 00 Morning Mon Thurs 5 30 8 30 12 00 22 00 part time work in the Fri 5 30 8 30 12 00 23 00 morning Sat 6 30 23 30 Sun 7 00 22 00 Afternoon Mon Thurs 6 00 11 30 16 00 22 00 part time work in the Fri 6 00 11 30 15 00 23 00 afternoon Sat 6 30 23 30 Sun 7 00 22 00 Midday Mon Thurs 6 00 8 00 11 30 13 00 17 00 22 00 at home at midday Fri 6 00 8 00 11 30 23 00 Sat 6 00 23 00 Sun 7 00 22 00 Single person Mon Thurs 6 00 8 00 16 00 22 00 Fri 6 00 8 00 15 00 23 00 Sat 7 00 23 30 Sun 8 00 22 00 Senior citizens Mo Su 5 30 22 00 New program If you select new programme you can use the enter switch point option to create a new program You can save and later select two new or modified switching programs as user defined 1 or user defined 2 User defined 1 Mon Thurs Fri Sat Sun User defined 2 Mon Thurs Fri Sat Sun Table 13 Standard programs ON day mode OFF night mode Buderus Logamatic EMS 6 720 801 386 2011 05 33 Eas Operation with the user menu 5 6 2 Viewing the current program You can use display curr prog to view the currently set switching program in the form of a graph gt Fig 3 The graph always shows the switching program for one day or block of days The current switch point will flash circle and cross alternately Below the graph you can see the time for that switching point and the temperature that applies from that time onwards Other switch
10. circulation heating circuits Switching program Switching between day and night mode at defined times and on defined days 31 only active in automatic mode separate programs possible for DHW and DHW circulation Sum win threshold Switching automatically between summer mode and winter mode subject to 39 outside temperature Summer winter Setting the clock to change over automatically between summer time and 39 winter time DHW temperature Setting the domestic hot water temperature 40 Holiday Interrupting the set switching program when on holiday to save energy if away 40 or to ensure comfort if at home Party function One off extension of day mode for a certain amount of time 43 Pause function One off interruption of day mode for a certain amount of time when absent 43 Therm disinfection Heating up DHW to kill off pathogens 44 Room temp correct Calibrating the displayed room temperature with the aid of a thermometer 44 GWP preheat phase Setting a heat pump with gas booster heater 45 Hybrid Setting electric energy fossil fuel price factor 2 45 Table 10 User menu overview 1 This function depends on the boiler used 2 Is only available in association with hybrid module and depends on the operating mode of the hybrid system Buderus Logamatic EMS 6 720 801 386 2011 05 25 Eas Operation with the user menu 5 3 Selecting a heating circuit If your heating system is equipped with more than one heat
11. control and for the outside i temperature control with the influence of the room temperature The radiator valves in the reference room room in which the programming unit is fitted must be turned fully open Control of the flow temperature is determined by the room temperature recorded there It must not be limited by closed thermostatic valves Buderus Logamatic EMS 6 720 801 386 2011 05 47 6 Information on setting the programming unit 6 2 Tips for energy efficiency X You can save around 6 on your heating costs by reducing the daytime JL J room temperature by 1 C Only heat if you need warmth Use the switching programs for automatic night setback Air your home wisely leave the windows wide open for a few minutes rather than leaving them slightly open all the time Close the thermostatic radiator valves while airing rooms Make sure that your windows and doors form a proper seal Never position large objects such as a sofa immediately in front of radiators maintain a clearance of at least 50 cm Otherwise the heated air cannot circulate and heat the room adequately You can also increase the energy efficiency of your DHW heating compare the times when you want your rooms to be warm with the times when you need hot water It may be practical to use a separate switching program for DHW heating Arrange for your heating contractor to service your heating system annually Buderus
12. data only starts once the date and time have been set 4 10 Messages on the display The programming unit will display a message if for example a particular setting is not available under the current circumstances When the display shows any key to continue in its bottom row gt Press any key to confirm and close the message any key to continue 4 11 Shutting down switching off The RC35 programming unit is powered via the heating system and remains permanently on The heating system is only switched off for maintenance work for example gt For switching the heating system on or off switch the On Off switch on the boiler programming unit to position 1 ON or 0 OFF gt With hybrid systems with HM10 shut off power to the hybrid module After shutting down or in the event of a power failure the date and time are retained for up to 8 hours All other settings are retained permanently Buderus 99 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 5 Operation with the user menu 5 1 Introduction to the user menu The user menu allows you to make specific settings The procedure for operation is always the same Open the flap by pulling the recessed grip on the left Press to open the USER MENU x I Turn the C rotary selector to change the selection Press to make your selection To change the value hold down the button the value starts flashing and turn the rotary
13. does your home no longer need to be heated This too may vary depending on the day of the week 1 Open the user menu 2 Select switching programme 3 If your heating system is equipped with more than one heating circuit gt page 26 select the required heating circuit and confirm For each heating circuit its own switching program can be set The following selection options are then displayed Select programme gt page 32 Display curr prog gt page 34 Change switch point gt page 34 Enter switch point gt page 35 _ Delete switch point gt page 36 Room temperatures gt page 37 not possible for DHW DHW circulation and solar heating circuits 4 Recommended use the select programme option to select the program which best corresponds to your lifestyle 5 If the standard program needs to be adjusted change insert or delete individual switching points 6 If you want to create a completely new switching program go to select programme and set a new programme The enter switch point menu item gt page 35 opens automatically for you to create your program In the basic setting the switching program also defines the times for DWE and the operation of the circulation pump However you can also set separate switching programs for both functions gt Chapter 5 7 and 5 8 Buderus Logamatic EMS 6 720 801 386 2011 05 31 Eas Operation with the user menu 5 6 1 Selecting a program Her
14. my day night rhythm changes e g shift work gt Select a different switching program in the user menu gt page 31 gt If necessary adjust the switching program to suit your needs change insert or delete switching points gt page 34 to change the contrast on the gt Changing the contract hold the ij and buttons pressed down and display simultaneously turn the rotary selector Table3 Getting started additional functions Buderus 10 Logamatic EMS 6 720 801 386 2011 05 Information about the appliance 3 3 Information about the appliance 3 1 Product description The RC35 programming unit makes it easy to operate your Buderus heating system You can change the room temperature throughout the whole home with the rotary selector You only need to adjust the thermostatic valves on the radiators if it is too cool or too warm in individual rooms The automatic mode with its adjustable switching programs ensures energy saving operation by reducing the room temperature at certain times or shutting down the heating system completely adjustable night setback The heating system is controlled in such a way that you benefit from optimum heating comfort and minimum energy consumption 3 2 Correct use The RC35 programming unit must only be used to operate and control Buderus heating systems in detached houses and residential buildings The boiler must be equipped with EMS Energy Mana
15. press any button for five minutes the system assumes you have finished making entries and goes on to the next step 6 Hold the button pressed down and turn the rotary selector to save the changed program as User defined 1 or User defined 2 The selected program user defined1 or user defined2 is used from now on for that heating circuit 7 Select do not save to cancel If you want to set switching points for a block of days Mo Th Mo Fr Mo Su Sa Su i select select programme new programme 5 6 4 Entering a switching point You can use enter switch point to add additional switching points for a heating phase or energy saving phase day night mode or create a new switching program You can enter switching points separately for each day The minimum time between switching points is 10 min period for which the circuit is switched on or off For each start point 1 day mode you also need to enter a stop point 2 night mode so that the heating will switch back to night mode again 21 0 1 The maximum number of switch points is 42 per heating circuit 2 17 0 Mo eae Ce ee SWITCH PROG HC1 ENTER 1 Turn the O rotary selector to select the day of the week 2 Hold the button pressed down and turn the rotary selector to change the time for this switching point The switching point will flash on the graph until it has been entered completely 3 Hold the ij button pressed down and turn the rotary selecto
16. programming another heating phase in the evening if more hot water is regularly needed at that time This would allow you to significantly reduce your energy consumption even further To set a hot water program which operates independently from the central heating phases 1 Open the user menu 2 Select switching programme 3 Select the domestic hot water heating circuit 4 Use change switch point to enter delete or modify a switching point gt page 34 or enter a new program Save the program as user defined 1 or select do not save to cancel 6 Check that automatic is set for operating mode DHW to make sure that the program you have set is also active Z page 30 ol If you occasionally need more DHW outside the set time you can activate the DHW li heating for a short time Heating up DHW once gt page 19 5 8 Setting a DHW circulation program You can use a DHW circulation program to enter the start and stop times for the DHW circulation pump independently of the switching program for the heating system Follow the same procedure as for entering a DHW program gt Chapter 5 7 1 This function depends on the boiler used Buderus 38 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 5 9 Setting the switchover threshold for summer winter mode Requirements an outside temperature sensor must be fitted The heating system is controlled by the outside temperatur
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18. system is installed and active You can set gt page 29 which value is permanently displayed in the first line of the li standard display gt Fig 1 1 If the programming unit is installed on the boiler the room temperature cannot be recorded Instead of the room temperature 2 the boiler temperature boiler is then displayed 4 2 Notes on range of functions These instructions describe all the possible functions of the RC35 Some of these functions may not be available depending on which boiler and version of the burner control unit are used For more information refer to the relevant chapter Contact your heating contractor for further details To check the version of the combustion unit used here UBA1 5 see the help menu under INFO VERSIONS gt page 20 Buderus 12 Logamatic EMS 6 720 801 386 2011 05 Principles of operation I 4 3 Setting the operating mode You can activate the operating mode directly by pressing the specified key Operating mode Key Explanation Automatic recommended setting The switching program is active The system will switch over automatically between day mode and night mode at a set time switching point At night the heating system is operated with a reduced room temperature basic setting night shutdown also possible The DHW is on during the day and off during the night basic setting The LED for the automatic button is lit up alo
19. times outside the switching program gt Manual day mode continuous heating automatic mode is switched off gt Activate manual day mode press The LED next to the button lights up To end the one off heating phase gt Activate automatic mode again press e The LED next to the button lights up You have selected daytime operation The room temperature set is 20 5 C to save energy during long absences gt Manual night mode permanently reduced automatic mode is switched off gt Activate manual night mode press The LED next to the button lights up When you return gt Activate automatic mode again press O The LED next to the button lights up You have selected nighttime operation The room temperature set is 14 0 C Table 2 Getting started room temperatures 1 If Shutdown is set as the night reduction mode the heating is shut down at night A night time room temperature cannot be set The display will show a message to this effect li With larger heating systems with several heating circuits please note The changes in room temperature described above apply to all heating circuits which are allocated to the RC35 programming unit so called RC35 heating circuits gt page 26 This is the standard application However if you wish to change the room temperature for other heating circuits see page 3
20. use the pause function heating pause to switch your heating to night mode permanently reduced for a certain period regardless of the current switching program when you are away from home for example Once this period has elapsed normal operation is automatically resumed as defined in the switching program 1 Open the user menu 2 Select pause function 3 If your heating system is equipped with several heating circuits gt page 26 Select and confirm the required heating circuit 4 Hold the button pressed down and simultaneously turn the rotary selector to set the number of hours 0 to 99 during which there should be reduced heating The pause function is activated Once the time has expired automatic mode starts again Ending the pause function early gt Open USER MENU pause function again and select end Buderus Logamatic EMS 6 720 801 386 2011 05 43 Eas Operation with the user menu Instead of making the setting via the user menu you can use the following shortcut gt Press and hold down gt Open flap A gt Simultaneously turn the O rotary selector to set the number of hours 0 to 99 5 15 Setting thermal disinfection If this function is activated DHW is heated once a week or once a day to a temperature sufficient to kill pathogens e g legionella During the thermal disinfection process the DHW can be heated to a temperature above 60 C gt Do not open a hot water tap
21. 48 Logamatic EMS 6 720 801 386 2011 05 Troubleshooting E 7 Troubleshooting This chapter deals with frequently asked questions about your heating system This will in many cases enable you to eliminate suspected faults At the end of the chapter you will find a table listing faults and corresponding remedies 7 1 Frequently asked questions Why do I set a room temperature even though it is not recorded When you set the room temperature although the room temperature with outside temperature compensated control is not measured you are changing the heating curve by this This changes the room temperature because the temperature of the heating water changes and with it the temperature of the radiators Why does the room temperature measured with a separate thermometer not correlate with the set room temperature The room temperature is influenced by a number of different variables If the RC35 programming unit is installed on a cold wall it will be influenced by the cold temperature of the wall If it is installed in a warm part of the room such as close to a fireplace it will be influenced by the heat there This is why a separate thermometer can display a different room temperature from that set on the RC35 programming unit If you wish to compare the measured room temperature with the values recorded using another thermometer it is important to observe the following The separate thermometer and the programming unit must
22. 7 Getting started additional functions iJ Some of the following functions are accessible via the user menu To learn how to use this menu read the section starting on page 23 Buderus Logamatic EMS 6 720 801 386 2011 05 9 a Getting started What do I do Operation Display result to save energy when on holiday gt Set holiday mode in the user menu gt page 40 to change the holiday temperature Requirement holiday mode is active A gt Turn rotary selector The room temperature is changed for the rest of the holiday period SET HOLIDAY MODE Room temperature set for holiday mode 14 0 C 4 1 in summer DHW only no central heating The programming unit switches automatically between summer mode and winter mode triggered by temperature However if you want to switch the system over manually gt At the boiler programming unit set the TI rotary selector to O or deactivate the heating system gt Leave the RC35 settings unchanged ERE Example BC10 on the boiler if feel too cool or too warm in spring or autumn gt Change the setting for the summer winter switchover threshold in the user menu gt page 39 or gt Use manual mode when the clocks change between summer and wintertime The RC35 programming unit automatically adjusts its clock for summer or wintertime gt page 39 if
23. Operating instructions Room controller 6 720 618 477 00 1RS Logamatic EMS Programming unit RC35 6 720 801 386 2011 05 GB Buderus Overview of controls Overview of controls Key to diagram 1 Flap pull the recessed grip on the left to open 2 Display Mo 24 04 2006 09 18h m 21 5 C Rotary selector for changing values and temperatures or for moving within the menus E e 8 J O Frost protection is active DHW heating is off default setting DHW the DHW temperature has fallen below its set value The DHW can be reheated by pressing the button the LED will then flash ore me 6 720 618 477 08 1RS 4 Keys for basic functions When the LED lights up AUT automatic the switching program is active automatic changeover between day and night room temperatures Day mode manual the heating system operates at the set day room temperature The DHW is switched on basic setting Night mode manual the heating system operates at the set night room temperature 5 Keys for Function additional functions Menu OK Open the user menu and confirm the current selection When the rotary selector is turned simultaneously change setting Clock time Set the time D Date Set the date 1 Flow returntemperature Set the room temperature Info Info Open the Info menu to view values
24. Setting energy price ratio for hybrid Depending on the prescribed mode of the hybrid system with HM10 hybrid module you can set the energy price ratio here 2 1 The function depends on the boiler used 2 This function is only available in association with the hybrid module and depends on the operating mode of the hybrid system Buderus Logamatic EMS 6 720 801 386 2011 05 45 5 Operation with the user menu Depending on the specified operating conditions of the system and on the set energy price ratio the system decides whether and to what extent the heat pump or the boiler covers the heat demand of the heating system So that the maximum efficiency in the operation of the heating system as well as the greatest possible cost saving can be achieved it is recommended that the correct energy price ratio is set according to the current energy prices 1 Open the user menu 2 Select Hybrid 3 Setting the desired energy price ratio basic setting 3 3 You can find explanations on the settings in the documents for the Logatherm WPLSH hybrid system Buderus 46 Logamatic EMS 6 720 801 386 2011 05 Information on setting the programming unit 6 6 Information on setting the programming unit 6 1 Control modes for heating control The heating system can be operated in three control modes Depending on your requirements your heating contractor will select and set up one of these options Outside temperatu
25. ace is determined according to the statutory rules Changeover to summertime On the last Sunday in March the time changes from 2 00 am to 3 00 am 1 h Changeover to wintertime On the last Sunday in October the time changes from 3 00 am to 2 00 am 1 h 1 Open the user menu 2 Select summer winter 3 Set Yes or No basic setting Yes Buderus Logamatic EMS 6 720 801 386 2011 05 39 Eas Operation with the user menu Should the official details for the changeover change adjust the summer wintertime changeover to no gt Change the time manually 5 11 Setting the domestic hot water temperature The DHW temperature is the temperature to which the water in the DHW cylinder is heated WARNING Risk of scalding The factory setting for the DHW temperature is 60 C There is a risk of scalding at the draw off points if the temperature is set higher than this gt If the temperature set is higher than 60 C do not open any hot water tap without mixing in cold water as well 1 Open the user menu 2 Select DHW temperature 3 Setting desired DHW temperature basic setting 60 C You can also enter the same setting without going through the user menu i A gt Hold the button pressed down and simultaneously turn the O rotary selector Should a message be issued that this setting is not possible gt At the boiler programming unit set the TE rotary selector to AUT o
26. ation pump match the times for the DHW program 3 The earliest switch on point and the latest switch off point of all heating circuits on this day apply Buderus 42 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 5 13 Setting the party function You can use the party function extension of period of use to postpone the time when your heating system normally switches to night mode as defined in the switching program to a later time This means your home will be heated for longer in day mode continuous heating if you want to stay up later than usual in the evening 1 Open the user menu 2 Select party function 3 If your heating system is equipped with several heating circuits gt page 26 Select and confirm the required heating circuit 4 Hold the button pressed down and simultaneously turn the rotary selector to set the number of hours 0 to 99 during which there should be heating in the day mode The party function is activated The remaining duration is shown on the display Once the time has expired automatic mode starts again Ending the party function early gt Open USER MENU party function again and select end Instead of making the setting via the user menu you can use the following shortcut i gt Press and hold down gt Open flap gt Simultaneously turn the O rotary selector to set the number of hours 0 to 99 5 14 Setting the pause function You can
27. be physically close to each other The separate thermometer must be accurate When comparing do not measure the room temperature when the heating system is heating up as the two devices may react at different speeds to the change in temperature If you have followed these instructions and you can still detect a discrepancy you can calibrate the room temperature display gt page 44 Why do the radiators get too hot when the outside temperature is relatively high If you have a heating system with one heating circuit and no mixing valve heating circuit 1 this is normal The pump only starts up when the boiler reaches a predefined flow temperature If the flow temperature is higher than required based on the outside temperature the radiators may get hotter for a short time The heating control unit detects this and responds accordingly after a short time Do not adjust the thermostatic valves on the radiators and wait until the set room temperature is reached Even in summer mode radiators may be heated briefly under specific circumstances namely when the pump is started up automatically at a predefined interval to prevent it from seizing up jamming If the pump happens to start immediately after DHW heating the unusable residual heat is dissipated via the heating circuit and the radiators Buderus Logamatic EMS 6 720 801 386 2011 05 49 z Troubleshooting Why does the pump run at night even though the home is no
28. careeceeebbeenttdaatbaeeee ee eaead ESEESE AGE 29 5 5 1 Operating modes for RC35 heating circuits 1 eee eee 29 5 5 2 Operating modes for DHW 0 cece ete 30 5 5 3 Operating modes for DHW circulation 00 teens 30 5 5 4 Operating modes for Solar sasaqa a rrin EVEEN EEEN EESE deena hee e dees 30 5 6 Setting the switching program ssasssaasqaqaq a EPEE EE PIETE ee bed eee de aa eee eee 31 Buderus Logamatic EMS 6 720 801 386 2011 05 3 Table of contents 5 61 Selecting a program iiss us sssssassaqaqaqaqsqaqaqaqqiqaskapikaqkuqaqaqqaaqqaqqassapapaqpapaqa 32 5 6 2 Viewing the current program 2332200002 ierei were idea eee Pee ERE ee ees 34 5 6 3 Changing the switching point 0 tenet teens 34 5 6 4 Entering a switching point 0 een ent eee eens 35 5 6 5 Deleting a switching point 2226 ccccrbeeeedbddeateeaiatia tesa aaeea eee ee Ras 36 5 6 6 Setting room temperatures was cccccccceee cee de beereeaeed eddie disemseteaaae eee 37 57 S ttinga DHW program veh cccccecceccendeeeeeeee ends ditetae ese eaeeeeeaaaae eens 38 5 8 Setting a DHW circulation program 0 een ete eee 38 5 9 Setting the switchover threshold for summer winter mode 39 5 10 Setting the summer wintertime changeover 00 39 5 11 Setting the domestic hot water temperature 2 1 2 eee eee 40 5 12 Setting holiday MOd6 s c c c0cs0044 cobieedidacceceeeeh inns see
29. derus 54 Logamatic EMS 6 720 801 386 2011 05 Important settings for your heating system Setup report 3 Setting options Adjustments Reduction mode Outdoor setback mode room setback night setback mode shutdown mode reduced operation Control function gt page 47 outside temperature control without with room influence room temperature compensated control Heating curve Design temperature Minimum outside temperature Offset Type of building Light medium heavy DHW circulation pump Duration 2 x 3 x 4 x 5 x 6 x per hour runtime for three minutes each time DHW priority Yes No Switching programme Standard program name times gt page 31 user defined program Table 17 Settings made during commissioning 1 This function depends on the boiler used Buderus Logamatic EMS 6 720 801 386 2011 05 55 iew of RC35 9 User overv TLE EO ply 819 0229 DEZ lt MPL saunyeseduie Wool ay Jo uoneiqileo SYN IWeAdW3L WOOY YASN ou s no paneo aq uono juisip ep swp imei duu 1947 Jewuey e pinoys NLSYNALSYA YISN NOILLOSSNISIC YASN PIS 0 sned ued jas 0 JueM no op sunoy Auew moy J04 OH 194 ASNVd LOS ALYVd uuou je juasqe mes dw J8 UQ Aepijoy au Buunp anjen jas ssod awoy e 10 uuou ponad woy Aeme aq no uu ls s l lduios uu ls
30. down and simultaneously turn the rotary selector 3 Release button The hours are saved 4 Repeat steps 1 to 3 to set the minutes The set time is displayed briefly The standard display then reappears Buderus Logamatic EMS 6 720 801 386 2011 05 17 4 Principles of operation 4 8 Setting DHW functions Risk of scalding through DHW temperatures over 60 C thermal disinfection WARNING Risk of scalding N The factory setting for the DHW temperature is 60 C There is a risk of scalding at the hot water draw off points if the temperature is set higher than this and also following gt If the temperature set is higher than 60 C or following thermal disinfection never open any hot water tap without mixing in cold water as well What What is it for Operation Initial situation the flap is closed Changing DHW temperature In the basic setting DHW is available during the heating phases day night of the selected switching program The water in the DHW cylinder is heated once in the morning for 30 minutes before central heating starts If your heating system is equipped with a remote control unit e g RC2x gt page 27 the DHW temperature for the entire heating system can also be changed at the remote control unit gt Changing DHW temperature Hold the button pressed down and simultaneously turn the O rotary selector If you receive a message that the setting is not possib
31. ds ee E NE eek BEER a 40 5 13 Setting the party function wwe cece cece tae ee eee eee wba a eet a ebb haa emadeadaae eae ee bana 43 5 14 Setting the pause function 0 tenet eens 43 5 15 Setting thermal disinfection lt lt sss ssssssssssssasas seen ee eee tat rera a eee aaees aes 44 5 16 Calibrating the room temperature display 00sec teens 44 5 17 Setting the preheating phase for a Loganova gas heat pump 45 5 18 Setting energy price ratio for hybrid eee eee eens 45 6 Information on setting the programming unit 00 ec ce eee eee eee eee eee 47 61 Control modes for heating control 0 eee eee eee eens 47 62 Tips for energy efficiency 2 2scccccceneci edhe eed i ered PEPEE EEE eee ae eee es 48 7 Troubleshooting cece cece eee eee eee 49 7 1 Frequently asked questions 2 0 0 ccc nee 49 7 2 Fault messages and service messages Lee 51 7 3 Clearing faults reset reir oreren ee Medea eheeeed siasaaaaastemasaeabniaeee nee aaa 53 8 Setup report susu annes rie nenaienecia i teeainw saa sbaniqa asawa aaa enne eae 54 9 User overview Of RC35 0 cc ccc cece eee eee eee eee 56 Indek areas saiavanacinis caraiat et aya ocala avin capanavanacapaharesatcm datas aaa esuQaaupaspawissuussaqasaanmasasamuawa 57 Buderus 4 Logamatic EMS 6 720 801 386 2011 05 Guide to instructions Guide to instructions These operating instructions contain all information on th
32. e with or without influence of room temperature gt page 47 In the case of room temperature control the sum win threshold menu item is not displayed When the outside temperature falls below an adjustable threshold the heating system automatically switches over to winter mode heating on Ensure that automatic mode is active 1 Open the user menu 2 Select sum win threshold 3 If your heating system is equipped with more than one heating circuit gt page 26 select the required heating circuit and confirm 4 To save energy in the transition times in spring and autumn reduce the switchover threshold basic setting 17 C 5 To heat your home more comfortably in spring and autumn increase the switchover threshold If you occasionally feel too warm or too cold you can also make use of the manual mode gt page 14 consideration and utilized Since the temperature in your home falls gradually you may find that the heating system does not switch over to winter mode until some time after the outside temperature has dropped below the switchover threshold li With the switchover the heat storage capacity of the building is also taken into 5 10 Setting the summer wintertime changeover The programming unit automatically changes over between summer and wintertime The summer winter menu item can be used to switch off this automatic changeover function The date on which the automatic changeover takes pl
33. e 29 Sum win threshold 39 Summer wintertime changeover 39 Switch summer winter mode 9 10 Switching off 22 Switching point Change wicccactaccceenopnoonerrrninaa aan 34 gel l r 2 sls2asseeqesosaquakupkppasaqapk 36 U usagawaaqapaqaqaqsakukakakakuquatus pa 35 Switching program 29 s DAW Seozogochyaeaqaqau yuyaayay 38 DHW circulation aoaaa yil yaaa 38 Selecting a program 32 SEHING a dipitntut tutaqa bhalsprsphaphhhaquqssqa 31 S SNOW iccccccdcdaddiitanedaddedeeeanery ete 34 Switch off point 33 34 Switch on point cee eee ee 33 34 Switchover threshold summer winter mode 39 Systemi fault ul u a aa sss busua aaa 52 T Thermal disinfection J na oad 44 Thermostatic valves 11 47 Temperature see room temperature 49 Transition times heating in 9 10 Buderus U User menu Introduction to operation 23 Overview of menu items 25 w Weather compensation 47 58 Logamatic EMS 6 720 801 386 2011 05 Notes Buderus Logamatic EMS 6 720 801 386 2011 05 59 Buderus Cotswold Way Warndon Worcester WR4 9SW All Enquiries 0844 892 3004 www buderus co uk In the UK and IE Buderus is a b
34. e function and operation of the Logamatic RC35 programming unit Introduction to the user menu Chapter 5 1 explains in detail the steps needed for programming all the settings in the user menu Operation is only briefly dealt with in the following sections Display texts Words appearing on the display are shown in bold in the text USER MENU Example USER MENU gt standard display Operation modes switching programme sum win threshold Buderus Logamatic EMS 6 720 801 386 2011 05 5 ees Key to symbols and safety instructions 1 Key to symbols and safety instructions 1 1 Explanation of symbols Warnings Warnings in this document are framed and identified by a warning triangle printed against a grey background If there is a risk of electric shock the exclamation mark in the warning triangle is IN replaced by a lightning symbol Keywords at the start of a warning indicate the type and severity of the ensuing risk if measures to prevent the risk are not taken NOTE indicates that material losses may occur e CAUTION indicates that minor to medium injury may occur WARNING indicates that serious injury may occur e DANGER indicates a risk to life Important information Important information where there is no risk to people or property is indicated with the adjacent symbol It is bordered by lines above and below the text Additional symbols Symbol Exp
35. e you can select and activate a switching program This can be one of the pre set gt Tab 13 page 33 standard programs or a new standard program which you have created or changed You can save and later select two new or modified switching programs as user defined 1 or user defined 2 Selecting a pre set switching program 1 Hold down the button and turn the rotary selector to select and activate a switching program 2 Press to return to the list of options 3 To view the selected program as a graph select display curr prog gt page 34 or press several times to return to the standard display Creating a new program gt Select new programme The enter switch point menu item gt page 35 opens automatically for you to create your program If the heating system is equipped with a remote programmer e g RC2x gt page 27 and if the RC2x remote programmer was produced from 2006 onwards the User defined 2 program can also be used on the remote programmer Buderus 32 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 Start and stop points in the standard programs Program Day ON OUT ON OUT ON OUT Family Mon Thurs 5 30 22 00 basic setting Fri 5 30 23 00 Sat 6 30 23 30 Sun 7 00 22 00 Early morning Mon Thurs 4 30 22 00 early shift work Fri 4 30 23 00 Sat 6 30 23 30 Sun 7 00 22 00 Evening Mon Fri 6 30 23 00 late shift work Sat 6
36. ee teuann calcined dae tana ini 11 4 Principles of Operation 00 cece eee eee eee eee eee eee een eee eee 12 A _ Display ua Sus g ibs ia ie aa want ea cae sshd Qam S EEEE E E 12 4 2 Notes on range of fUNCtiONnS carru heres EEE YARN aQ Reed tee eee pEr T 12 43 Setting the operating ModS usss dae Esri E ENNIE eee eee E 13 44 Changing the room temperature temporarily 0 cece eects 14 4 5 Changing the room temperature permanently 0 c cece eee teen eens 15 4 6 Setting the room temperature for particular heating circuits 16 4 7 Setting the date andtim cccccdeecececeee reetis been IDAS OSA MENARA NEE S ads 17 48 Setting DAW functions sa ccccccccdeiddec sce dead bees bere aes eda wena eee Rada 18 4 9 Viewing information Info menu 20 4 10 Messages on the display uuu ciawaista cata ciated dddace cett e enneunen naa E Pasu 22 4 11 Shutting down switching off sesssesssiissis rsi ieee eee eae eee ae dee eee Tea 22 5 Operation with the user Menu cece eee e eee eee eee 23 5 1 Introduction to the ser MENU url coca riu ean AERA RAE AR Ree Re b bipi r od 23 5 2 Overview of the user MENU 11 Lenn nents 25 53 Selecting a heating circuit 6 nee ene 26 5 4 Setting standardidisplay cccccseccceedooeereeeee bed yatt de saias tasand SEENE N dead 29 5 5 Selecting the operating mode c0 ccccd cd e
37. g circuit installed and no DHW heating circuit selection is not possible Buderus Logamatic EMS 6 720 801 386 2011 05 99 Es Operation with the user menu 5 5 2 Operating modes for DHW You can set one of the following operating modes for DHW heating Automatic switching program This can be either the switching program for central heating or a specific DHW program gt page 38 Permanently ON manual continuous mode The DHW is permanently maintained at the set temperature Permanently OFF ECO manual night mode You can use to start DHW heating when needed Heating up DHW once gt page 19 5 5 3 Operating modes for DHW circulation The DHW circulation pump ensures quick supply of DHW to the draw off points if installed This is achieved by circulating the DHW once or more per hour through the DHW circulation pump via a separate DHW circulation line The circulation interval the number of times per hour can be adjusted by your heating contractor in the Service menu You can set one of the following operating modes for DHW circulation Automatic mode the circulation starts 30 minutes before the first heating circuit is switched on and it stops when the last heating circuit is switched off basic setting Alternatively you can set a separate DHW circulation program gt page 38 Permanently ON The DHW circulation pump runs constantly at the set interval regardless of the heating circuits
38. gement System or UBA1 x Universal Burner Automation We recommend always operating the heating system with a programming unit otherwise the system only operates in emergency mode 3 3 EU Declaration of Conformity The design and operation of this product conform to the European Directives and the supplementary national requirements Its conformity is demonstrated by the CE designation You can call up the Declaration of Conformity for this product on the internet at www buderus de konfo or request a copy from your local Buderus sales office 3 4 Cleaning gt Clean the programming unit only with a damp cloth 3 5 Disposal gt Dispose of packaging in an environmentally responsible manner gt When replacing components dispose of the used ones in an environmentally responsible manner Buderus Logamatic EMS 6 720 801 386 2011 05 11 4 Principles of operation 4 Principles of operation 4 1 Display The following elements appear on the display of the RC35 programming unit during standard operation Mo 24 04 2006 09 18h 1 J ron 21 2 Gl please open cover 3 6 720 618 414 01 1RS Fig 1 Elements on the display 1 Top information line standard display in basic setting date and time 2 Large display of room or boiler temperature 3 Bottom status line displays various operating modes and indicates any error messages or service messages if present 4 Solar symbol if solar thermal
39. gramming unit but at the remote programmer be switched off at night A night time room temperature cannot be set The display will i If shutdown operation is selected as the night setback mode the heating system will show a message to this effect Setting room temperatures with user menu switching program Here you can set the room temperature for the heating circuit previously selected in the switching program 1 Open the user menu 2 Select switching programme 3 Select the heating circuit gt page 26 28 4 Select room temperatures If room temperatures are set below 10 C rooms may cool down so much that pipes in external walls for example may freeze in cold weather NOTE System damage through frost gt Set room temperatures higher than 10 C 5 Set the desired room temperature A 6 Turn the O rotary selector to switch between the temperatures for day and night mode Buderus Logamatic EMS 6 720 801 386 2011 05 37 EG Operation with the user menu 5 7 Setting a DHW program In the setting for After heating circuits basic setting the DHW switch on and switch off times are based on the switching program selected This ensures that hot water is available during the heating phases i e when in day mode If you want to enter a separate DHW program we recommend Only charging the DHW cylinder once in the morning before the heating start time and possibly also
40. gt Set thermal disinfection gt page 44 Table 7 1 Setting depends on the boiler used Setting DHW functions 2 The DHW LED can also have been switched off by the specialist heating company Buderus Logamatic EMS 6 720 801 386 2011 05 19 4 Principles of operation 4 9 Viewing information Info menu You can use the INFO menu to view set and recorded values The exact information available depends on the components installed in your heating system Operation Result 1 the fl lling th i the left Open the flap by pulling the recessed grip on the left ET 21 5 C 2 Press to open the INFO menu By turning the dial The message on the right is displayed for five seconds It then you can obtain plant moves on automatically information Or turn the A display O O rotary selector to go immediately to the next 3 Turn the rotary selector to display more information INFO ROOM HTG CIRC 1 room temperature set 20 5 C measured room temperature 20 6 C 4 To exit the info menu press or close the flap The standard display reappears Table 8 INFO menu DHW message in the menu INFO DHW is switched off at the boiler This message means that on the boiler programming unit the rotary selector is set to 0 In order to enable the DHW to be set via RC35 set the ay rotary selector to AUT il The operati
41. he CO rotary selector to switch to night room temperature gt Changing the night room temperature Hold the ij button pressed down and simultaneously turn the rotary selector until the desired temperature is reached Release a The required temperature is saved gt Press several times or shut the flap to return to the standard display The modified room temperatures are now active If shutdown operation is selected as the night setback mode the heating system will be switched off at night A night time room temperature cannot be set The display will show a message to this effect Buderus 16 Logamatic EMS 6 720 801 386 2011 05 Principles of operation I 4 7 Setting the date and time Your heating system requires the date and time to operate correctly The clock keeps running for about 8 hours in the event of a power failure If a power failure lasts longer than that the display will indicate that you need to reset the date and time Setting the date 1 Open the flap by pulling the recessed grip on the left Press 5 The year starts flashing Setting year Hold the button pressed down and simultaneously turn the rotary selector Release button The year is saved Repeat steps 2 to 4 to set the month and day The set date is displayed briefly The standard display then reappears ak WON Setting the time 1 Press The hours start flashing 2 Setting hours Hold the button pressed
42. he possible Cause The codes are shown at the bottom of the display on the left and right i Service messages are not displayed on all boilers 7 3 Clearing faults reset Some faults can be rectified by resetting the system This applies to locking faults for example Locking faults are those which cause the display on the boiler programming unit to flash gt In order to reset the fault perform the reset function on the boiler programming unit For instructions regarding the reset function on the boiler programming unit see the technical documentation for the boiler and or boiler programming unit gt If the fault can not be reset display continues to flash inform your heating specialist Buderus Logamatic EMS 6 720 801 386 2011 05 53 PZ Setup report 8 Setup report The setup report is to be completed by your heating contractor during commissioning and is for your information Allocation of heating circuits Area of dwelling examples ground floor granny flat Remote programmer RC35 RC2x RC20 RF none Heating circuit 1 Heating circuit 22 Heating circuit 32 Heating circuit 42 Table 16 Allocation of heating circuits 1 In the setting none the heating circuit can be set via RC35 but it does not belong to the so called RC35 heating circuits room temperatures can be set separately with this 2 Not available with some boilers Bu
43. hole home gt Turn YN rotary selector The current room temperature setting starts flashing gt Set the desired room temperature with the rotary selector gt Let go of the rotary selector The modified room temperature is saved and stops flashing The standard display reappears In automatic mode the modified room temperature remains active until the next changeover between night day mode SET ROOM TEMPERATURE B Until next switch point room temp changed to 21 0 c if it is permanently too cool warm in the entire home gt Changing room temperature and activating automatic mode gt Changing the day room temperature Hold the amp button pressed down and simultaneously turn the rotary selector gt Changing the night room temperature Hold the pbutton pressed down and simultaneously turn the rotary selector gt We recommend activating automatic mode Press button The modified room temperatures are saved The LED next to the button e lights up SET ROOM TEMPERATURE Room temperature setting for daytime operation 1 oe 20 5 C n pak Automatic operation selected Change between day 20 5 night 17 0 Table2 Getting started room temperatures Buderus 8 Logamatic EMS 6 720 801 386 2011 05 Getting started 2 What dol do Operation Display result for one off heating outside the usual
44. ht A night time room temperature cannot be set The display will show a message to this effect Buderus Logamatic EMS 6 720 801 386 2011 05 15 4 Principles of operation 4 6 Setting the room temperature for particular heating circuits If the heating system comprises several heating circuits gt page 27 you can adjust the room temperature for selected heating circuits with Only heating circuits which are not equipped with an RC2x remote control unit will be displayed No selection is required if there is only one heating circuit All RC35 heating circuits have the same room temperature target values If the selection is not required or if you select RC35 heating circuits set the same temperatures as described in page 15 If room temperatures are set below 10 C rooms may cool down so much that pipes in external walls for example may freeze in cold weather f NOTE System damage through frost gt Set room temperatures higher than 10 C gt Open the flap by pulling the recessed grip on the left gt Press ij and release it again gt Select the heating circuit gt page 26 28 Heating circuit selection is not available if only one heating circuit is installed gt Changing the day room temperature Hold the ij button pressed down and simultaneously turn the rotary selector until the desired temperature is reached Release the i button The required temperature is saved gt Turn t
45. iable specific to the particular system which cannot be easily compared with other solar thermal systems However it is very useful for comparing the amount of gain on different days This information is displayed as a graph for the previous and current day The solar gain per day and the weekly total are listed in a table SOLAR SOLAR GAIN THIS WEEK GAIN THIS WEEK and also for the previous week SOLAR GAIN LAST fet SAN THIS WEEK WEEK In both cases the current day is indicated by a flashing dot This value is updated every 15 minutes also in the graph for the current day and the total is saved at 0 00 h as the value for the relevant day The daily values for the current week MON SUN are also added up every 15 minutes The days in the current week which have not yet passed are marked with Days for which no solar gain could be determined show 0 1 This function depends on the boiler installed Buderus Logamatic EMS 6 720 801 386 2011 05 91 4 Principles of operation Saving data If the power supply is interrupted the RC35 programming unit saves the solar gain data for as long as the time buffer lasts If the interruption lasts longer the records are set to zero and they start from new The same applies if the date in the RC35 is changed If the time is changed the graphic display is set to zero and the data recorded in the table for the week is retained During commissioning the recording of
46. ing circuit prior to making some adjustments you will need to select the heating circuits s to which the settings should apply Only the heating circuits that are actually installed will be displayed Heating circuit selection Explanation Heating circuit 1 Heating circuit without mixing valve From heating circuit 21 Heating circuits with mixing valve i e with reducible flow temperature RC35 heating circuits all heating circuits which are allocated to RC35 i e which do not have their own remote programmer gt Fig 2 1 page 27 is only displayed if several heating circuits are allocated to the RC35 DHW DHW heating which is controlled by the RC35 DHW circulation DHW circulation pump which is controlled via the RC35 Solar Solar thermal system if installed Complete system All heating circuits DHW DHW circulation pump and solar Table 11 Heating circuits which could be installed in your heating system 1 This function depends on the boiler used Recommendation if several heating circuits are installed it is sensible in most cases to select RC35 heating circuits DHW no DHW circulation pump and no solar thermal system No selection is possible i No heating circuit can be selected if there is only one heating circuit installed with no for boilers with only one heating circuit Buderus 26 Logamatic EMS 6 720 801 386 2011 05
47. it Reset Petter teeeeeeeeees 53 Designation with selection options 28 Room compensation mode 50 s Explanation wince sssssssssusaupupuuiphaakhaka 27 Room temperature Heating circuits operating modes 29 change permanently Senetienomanienenhg aR NE NEE fei 15 change temporarily 14 Buderus Logamatic EMS 6 720 801 386 2011 05 57 Index different ones in heating circuits 28 Differing display cuca sasaqa pupusa 49 Set for particular heating circuits 16 28 SEHING ce naismeccuuuuwinwndeaddaddde ddd 28 37 Synchronise the display 44 too cool too warm 8 Room temperature calibration 44 Room temperature synchronisation 44 Room temperature dependent control 47 50 s Safety instructions 7 Select heating circuit _ 26 28 Service messages 52 Setting the date iiiiscorceds sisisi drr ees 17 Setting the domestic hot water temperature 18 40 Setting the time 17 Setup report 06 cece eee eee eee eee 54 Shut down mode 0 cece eee eee 50 Shutting down cccccddcccetereeeeeeeerereaaaas 22 Solar operating modes 30 Solar gallu maaa aa duadnares uae SSS 21 Standard display 0 eee ee
48. lanation gt Action step gt Cross reference to other parts of this document or to other documents List list entry List list entry second level Table 1 Buderus 6 Logamatic EMS 6 720 801 386 2011 05 Key to symbols and safety instructions Du 1 2 Safety instructions Installation and commissioning gt Observe these instructions to ensure satisfactory operation gt The appliance must only be installed and commissioned by an authorised installer Damage through operator error Operator errors can lead to injuries and or material losses gt Ensure that children never operate this appliance unsupervised or play with it gt Ensure that only individuals who can operate this appliance correctly have access to it Risk of scalding at the hot water draw off points gt During thermal disinfection do not draw DHW without mixing in cold water as well gt Ifthe DHW temperatures are set to above 60 C do not draw DHW without mixing in cold water as well Warning frost The heating system can freeze up in cold weather if it is not in operation gt Leave the heating system permanently switched on gt Incase of faults remedy any faults immediately Buderus Logamatic EMS 6 720 801 386 2011 05 7 a Getting started 2 Getting started Initial situation the flap is closed What do do Operation Display result if it is temporarily too cool warm on this day throughout the w
49. le On the boiler programming unit set the ay rotary selector to AUT or activate DHW Table 7 Setting DHW functions Buderus 18 Logamatic EMS 6 720 801 386 2011 05 Principles of operation 4 What What is it for Operation Heating up DHW once To save energy during day mode DHW is only reheated automatically when its temperature falls 5 C below the set DHW temperature If you need large amounts of hot water one evening or outside the set times for day mode you can heat up the DHW This function is not available with boilers with UBA1 x You can see by the lighting up of the LED of the E button that the DHW temperature has fallen below the set value gt To heat up the DHW manually press B The LED on the button starts flashing Heat up starts and is later terminated automatically If no heating is necessary because the water is still hot a message will appear Only the DHW circulation pump will start if fitted to transport the hot water more quickly to the draw off points gt If you want to stop the heating process press again Heating up DHW regularly If you regularly need large amounts of hot water outside the set times for day mode you can set a separate program for DHW gt page 38 Switching thermal disinfection on off This function heats up the DHW to a temperature sufficient to kill pathogens e g legionella
50. messages The display shows please open cover in the bottom row on the display The heating system stays operational for as long as possible in other words central heating can continue 1 Open the flap by pulling the recessed grip on the left 2 Turn rotary selector The display indicates whether there is a fault message plant error or a servicing message The display may show the name and telephone number of your heating contractor if these are programmed 3 Turn the rotary selector if several messages are present then turn several times to display the message and the code last line in the display 4 Check whether the message can be removed using Tab 15 5 Otherwise notify your heating contractor stating the message and code To return to the standard display gt Press or close the flap Code Display Cause Remedy Nothing appears on Heating system has been gt Switch on the heating the display switched off system The power supply to the heating Check that the programming system has been interrupted unit is correctly seated in its wall mounting base gt Check that the cables on the programming unit wall mounting base are connected RC35 version After switching on data is gt Wait a few seconds connect to transmitted between the EMS connection setup UBA and RC35 no fault A01 No communication Communication to EMS UBA is Check that the
51. mming unit remote control unit Buderus Logamatic EMS 6 720 801 386 2011 05 97 5 Operation with the user menu Designations of the heating circuits in the example in Fig 2 When you make adjustments to a particular heating circuit first select the appropriate heating circuit A list of designations as shown in table 12 is available for selection If the heating specialist has set this accordingly different temperatures in the heating circuits are possible gt Tab 12 1 b even with the RC35 programming unit without remote programmer In this case the room temperatures for the separate heating circuit can be set via the user menu gt page 37 Designation of the heating How to set the room fig 2 For heating circuit 1 2 circuits on the display temperature 1 same room temperature HK1 HK2 RC35 heating Page 14 16 basic setting circuits 1 different room temperature HK1 heating circuit 1 HK1 page 16 or 37 possible 2 HK2 RC35 heating circuits HK2 page 14 16 2 Different room temperatures HK1 heating circuit 1 HK1 via RC2x possible HK2 RC35 heating circuits HK2 page 14 16 Table 12 Designations of the heating circuits in the example in Fig 2 page 27 1 lf no other heating circuits such as for example DHW are available the selection of the heating circuit is not required 2 Here setting by heating specialist HK 1 none HK 2 RC35 Buderus
52. ng mode buttons do not do anything in the INFO menu 1 Setting depends on the boiler used Buderus 20 Logamatic EMS 6 720 801 386 2011 05 Principles of operation WI Graph displays in the INFO menu outside temperature variation and solar gain The INFO menu gives you the option of for example viewing graphs showing the variation in outside temperature over the past two days and if solar components are installed the solar gain This way you have a clear overview allowing easy comparison of the relevant values In both displays the graph is updated every 15 minutes and a new graph is begun at 0 00 hours For this reason no display for the current day appears between 0 00 and 0 14 The minimum and maximum values are matched dynamically Outside temperature variation weather station The temperature variation over the current and previous day is shown across two screens In addition the minimum and maximum values since 0 00 on the previous day are shown Solar gain The solar gain display current and previous day tells you how much the solar collector has contributed to DHW heating This is calculated using the temperature differential between the cylinder and the solar collector in conjunction with the modulation of the solar circuit pump The solar gain is highly dependent on the system installed and its components and therefore cannot be expressed as a value in kWh This means that the value displayed is a var
53. ng with the LED for either day or night mode depending on which is currently active Continuous heating manual day mode Factory setting 21 C Manual day mode is useful if you want to heat outside the usual times Automatic mode is switched off The DHW is on basic setting Only the day mode LED is lit up Permanently reduced manual night mode Factory setting 17 C The heating system is operated with a reduced room temperature basic setting Manual night mode is useful if you are occasionally absent for long periods Automatic mode is switched off The DHW is off basic setting Only the night mode LED is lit up Table 4 Explanation of the operating modes 1 The automatic day and night modes correspond to the manual day and night modes The only difference lies in the automatic changeover to the RC35 programming unit so called RC35 heating circuits gt page 26 li The setting via the buttons specified applies to the heating circuits which are allocated To set the operating mode for other heating circuits Use User menu operation modes gt page 29 Buderus Logamatic EMS 6 720 801 386 2011 05 13 a Principles of operation 4 4 Changing the room temperature temporarily Follow this procedure if you only want to change the room temperature up until the next switching point At the switching point the system switches over automatically between day and night m
54. ny ed Aepijoy eunyesodwe MHA J luIA ig9uuuins plous uu uiw uns uluue16Boid Bulyoyms sapow uopesado eldsip piepuels NNAN YISN s J 9 e Weiz60 9o0z y0 yz on Buderus 56 Logamatic EMS 6 720 801 386 2011 05 Index A Holiday Mode cece eect eee eens 40 Absence 8 9 Holiday temperature 00 e eee ee ee 9 10 Automati Cuna uu aa s assnuusususi uyaq 13 29 I C Info MENU aiescenae ys see visaiaeeeeeeeeeede ss 20 Circulation operating modes 30 M Circulation program 38 7 Cleaning c sccesseeecsetsceeeeesenteneenes 41 Manual day night mode 0600s 13 Clock time on summer winter time 9 10 Messages on the display 22 Constantly reduced manual night 13 29 Contrast of the display 9 10 N Control modes for heating control 47 Night mode pe a eee eeee 19 34 Night reduction i iicc ssisscsiceaeee eee eee 50 2 o Day mode cee cece eee 13 34 Day night rhythm 9 10 Operation modes esse senses 19 28 DHW operating modes 30 I ane a i a aan a a i DHW messages in the info menu 20 I dua ation ee ee DHW program 0 0csccceeceeeceeeeeeteees 38 Heating circuits 29 Disinfection thermal
55. ode should be used automatic operation 6 To change the value hold down the button the value starts flashing and turn the rotary selector at the same Wilchwoneration mote time should be used automatic operation 7 Release the button OPERATING MODE HC 1 i if Which operation mode The value stops flashing The modified value is saved Shout GorUeeae continuous heating 8 If you have carried out this example as practice only make SRT sure that the original setting is retained Bin paree PEAS i should be used To do so repeat steps 6 and 7 if necessary automatic operation Table 9 How to use the user menu example Buderus 24 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 Operation Result or the flap 9 Press to go back one step To finish making settings press several times or close The standard display reappears You can enter all settings in the USER MENU using this procedure Table 9 How to use the user menu example 5 2 Overview of the user menu The User menu is divided into the following menu items Menu item Purpose of the menu item Page Standard display Selecting the standard display permanent display 29 Operation modes Setting the operating mode for all installed heating circuits automatic 29 continuous heating permanently reduced also possible for the DHW and DHW
56. odes gt page 31 The heating system will then go back to the standard room temperature setting Initial situation the flap is closed Operation Result 1 Turn rotary selector SET ROOM TEMPERATURE The current room temperature setting starts flashing Uotin mas SATa EER point room temp Turn the rotary selector further Turn the rotary selector changed to clockwise to increase the room temperature and anti 21 0 C clockwise to lower it 2 When the desired room temperature is reached let go of the SET ROOM TEMPERATURE rotary selector Until next switch point room temp The modified room temperature is saved and stops flashing Qanpaq SO The standard display reappears sete In manual mode the LED next to wn is not lit up In this case the modified room temperature applies until you press G or Table5 Changing the room temperature temporarily Ending a temporary change in room temperature gt Returning to automatic mode press the button The automatic program uses the normally set temperatures for day and night mode Or gt Returning to manual mode press one of the or buttons The normally set temperatures for day and night mode are used If the heating system is equipped with a RC2x remote control gt page 27 and the date of manufacture of the remote control is January 2006 or later the room temperature can also be modified tempora
57. oling down or heating up 1 Open the user menu 2 Select the room temp correct option 3 Setting calibration of the room temperature the K in the display stands for the Kelvin unit 1 K corresponds to 1 C The basic setting is 0 0 K Example if the thermometer displays a temperature 0 5 C higher than the programming unit then enter 0 5 K as calibration value The result will be displayed immediately as the corrected room temperature 5 17 Setting the preheating phase for a Loganova gas heat pump With GHP preheat phase you can set a preheat phase for a gas operated heat pump Loganova GHP This setting is not relevant for other equipment During the preheating phase the gas booster of the gas heat pump preheats the heating system without a peak load boiler Generally the permanent operation of the heat pump raises the overall efficiency and saves more energy than in room temperature reduction mode We therefore recommend setting a preheating phase 1 Open the user menu 2 Select GWP preheat phase 3 Setting preheat phase set the desired duration 0 00 to 16 30 hours minutes The preheating phase commences by the set time before the day mode of the first heating circuit begins You will achieve the highest efficiency if the heat pump with gas booster heater operates constantly For this set the preheating phase so it is longer than the night mode period of the current switching program 5 18
58. oubleshooting E 7 2 Fault messages and service messages The RC35 programming unit differentiates between three types of messages e Faults in boiler operation System errors incorrect settings in the programming unit or faults in components Service messages indicating that some maintenance work is required Faults The display shows the following message Your system has a malfunction Please open the cover of the operating unit NOTE System damage through frost N The heating system can freeze up if it has been switched off through a fault shutdown gt Tryand clear the fault gt If this is impossible immediately notify your heating contractor 1 Open the flap by pulling the recessed grip on the left The display may show the name and telephone number of your heating contractor if these are programmed 2 Turn the rotary selector if several messages are present then turn several times to display the message and the code last line in the display 3 Check whether you can eliminate the fault yourself with a reset gt page 53 4 Otherwise notify your heating contractor immediately stating the message and code To return to the standard display gt Press or close the flap The faults depend on the boiler used Information about the faults can be found in the boiler documentation Buderus Logamatic EMS 6 720 801 386 2011 05 51 z Troubleshooting Plant errors and service
59. points are marked with a cross i 2 SWITCH PRG HC1 ENTER Ea a te Ly Mo 05 30h 21 0 C il ___6 7747006341 02 0TL Fig 3 Example from the morning switching program Day and night temperature Orientation line Switch on points switchover to day mode Switch off points switchover to night mode Line showing status and settings for the selected switching point m gt O N 1 Turn the YN rotary selector to the right The next switching point is displayed 2 Turn the G rotary selector further to display more days 3 Press to return to the list of options 5 6 3 Changing the switching point Use change switch point to change the times in a switching program at which the system switches over to a different temperature level 1 Turn the f rotary selector to select another switching point Turn it further to go to a different day of the week The selected switching point starts flashing 2 Hold the button pressed down and turn the rotary selector to change the time for this switching point Buderus 34 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 3 If desired hold the 4 button pressed down and turn the rotary selector to change this switching point to a switch on or switch off point 4 Repeat steps 1 to 3 to change other switching points 5 Press when you have finished making entries If you have changed the program and then do not
60. programming 816 with UBA MC10 faulty possibly due to a loose unit is correctly seated in its DBA UBA H3 or contact or electromagnetic wall mounting base HM10 interference for example gt Check that the cables on the programming unit wall mounting base are connected A11 Time is not yet set Time or date settings are gt Enter the time or date so that 802 missing This may have been the switching program and A11 Date is not yet set Caused by a lengthy power other functions can work 803 failure for example correctly Table 15 Table with plant errors and service messages Buderus 52 Logamatic EMS 6 720 801 386 2011 05 Troubleshooting L 2 Code Display Cause Remedy Hxx please open cover Maintenance is required gt Make arrangements to have the system serviced by your The heating system remains y yy heating contractor operational for as long as possible H07 Waterpressure too The water pressure in the This is the only service message low heating system has fallen toa H07 that you can deal with low value This value is only displayed if the heating system is equipped with a digital pressure sensor yourself gt Top up the heating water as described in the boiler operating instructions Table 15 Table with plant errors and service messages Code column in Tab 15 The messages are identified by codes These inform your heating contractor about t
61. r activate DHW 5 12 Setting holiday mode Use holiday mode to run the heating system differently from the standard switching program when on holiday You can only set one holiday period at a time 1 Open the user menu 2 Select holiday 3 Select the heating circuit to be switched over to holiday mode Complete system heating circuits DHW and DHW circulation RC35 heating circuits if one or more heating circuits are allocated to the RC35 only this selection is displayed DHW and the other heating circuits remain active 1 This function depends on the boiler used Buderus 40 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 Individual heating circuits only heating circuits which are not assigned to the RC35 will be displayed in other words those which have their own remote control unit or which have no remote control unit 4 Setting at home or away from home absent Absent heating is operated at a reduced adjustable holiday temperature reduced mode If complete system was previously selected DHW and DHW circulation are switched off If only some heating circuits are in holiday mode DHW heating and DHW circulation remain active gt Tab 14 page 42 At home heating and DHW are available every day as on a normal Saturday 5 Set the year month and day one after the other for the first day of the holiday period The holiday mode begins at 0 00 hours on the fi
62. r to specify a switch on or switch off point Onoe the switching point has been entered completely all the values flash for three seconds The switch point can still be changed during this time After that the switching point is saved 4 Repeat steps 1 to 3 to enter other switching points Turn the O rotary selector to switch between the days 6 Press when you have finished making entries ol Buderus Logamatic EMS 6 720 801 386 2011 05 35 Eas Operation with the user menu i If you have changed the program and then do not press any button for five minutes the system assumes you have finished making entries and goes on to the next step 8 Hold the button pressed down and turn the rotary selector to save the changed or new p y g program as User defined1 or User defined2 The selected program user defined1 or user defined2 is used from now on for that heating circuit Select do not save to cancel 5 6 5 Deleting a switching point You can use delete switch point to delete switching phases you no longer require Ensure that you always delete two switching points for every switching phase the start point and the stop point to ensure that the heating system reverts to night mode again 1 Turn the rotary selector to select another switching point The selected switching point starts flashing A Hold the button pressed down and turn the O rotary selector to Yes The switching point is deleted
63. rand name of Bosch Thermotechnology Ltd Buderus
64. re control weather compensated control the outside temperature is recorded by means of a temperature sensor The flow temperature is calculated solely on the basis of the outside temperature in accordance with the set heating curve You can set the room temperature for the entire home at the programming unit which will shift the heating curve up or down Adjust the thermostatic radiator valves in every room to achieve the required room temperature Room temperature compensated control in this case the programming unit must be fitted in a room which is representative of the home The programming unit records the room temperature in this reference room Control of the flow temperature is determined by the set room temperature and the actual room temperature Consequently external temperature influences in the reference room e g open windows sunlight or heat from a fireplace will affect your entire home Set the room temperature of your home or reference room at the programming unit You can achieve higher or lower temperatures in the other rooms by adjusting the thermostatic radiator valves Weather compensated control with room temperature hook up with this control mode the flow temperature is primarily determined by the outside temperature but it is also partly determined by the room temperature according to the range of adjustments which can be made by your heating contractor Applicable for the room temperature compensated
65. rily at the remote control Buderus 14 Logamatic EMS 6 720 801 386 2011 05 Principles of operation Za 4 5 Changing the room temperature permanently NOTE System damage through frost N If room temperatures are set below 10 C rooms may cool down so much that pipes in external walls for example may freeze in cold weather gt Setroom temperatures higher than 10 C Operation Result 1 Changing the day room temperature Hold the button i SET ROOM TEMPERATURE pressed down and simultaneously turn the rotary selector ee Room temperature setting for daytime Operation TE 20 5 C os 2 Changing the night room temperature Hold t the pbutton pressed down and simultaneously turn the CO rotary SET ROOM TEMPERATURE Room temperature selector setting for nighttime operation 1 17 0 C4 3 We recommend activating automatic mode Automatic mode s p Automatic operation ensures automatic switchover between day and night mode SERE P night setback Change between day 20 5 C Press G night 17 0 C Automatic mode is now active with the modified room temperatures The LED next to the button m e lights up The standard display reappears Table 6 Changing the room temperature permanently 1 If shut down mode is selected as the night setback mode the heating system will be switched off at nig
66. rst day Press e The year starts flashing Setting year Hold the F button pressed down and simultaneously turn the rotary selector Release button The year is saved Repeat steps 6 to 8 to set the month and day The start date of the holiday period has now been set 10 Turn the rotary selector to the right to set the end date of the holiday 11 Set the end date of the holiday period by following steps 6 to 9 oO On O normal operation date of arrival as the end date li To ensure that your home is warm when you return set under absent the first day for Under at home set the last day of your holiday as the end date 12 In addition under absent only turn the O rotary selector to the right to set the temperature for the holiday period basic setting 17 C The holiday mode is now fully set 13 Close the flap to finalise your settings During the holiday period the end date is displayed when the flap is open During the time of the absent holiday mode you can change the temperature simply by turning the rotary selector The flap must be closed when you do so If you want to exit the holiday mode early gt Open user menu holiday again gt Answer the question Do you wish to end the holiday function with yes Buderus Logamatic EMS 6 720 801 386 2011 05 41 5 Operation with the user menu Domestic hot water DHW DHW circulation pump
67. t being heated at all or only very little This depends on the setting chosen by your heating contractor for night setback Reduced operation The pump still runs even if the home is only being heated a little to achieve a low room temperature Shutdown mode The heating system and therefore also the pump is automatically shut down in night mode If the outside temperature falls below the frost limit temperature the pump is automatically switched on via the frost protection function Outdoor setback mode and Room setback mode the heating system starts automatically when the actual temperature falls below the set value The pump will then also start The actual room temperature is higher than the set room temperature Why is the boiler still running The boiler can heat to increase the temperature of DHW Your heating system can be set to three possible control modes gt page 47 Room temperature compensated control when the set room temperature is reached the boiler switches off Outside temperature control the heating system runs as determined by the outside temperature Outside temperature control with the influence of the room temperature the heating system uses the advantages of both the control modes mentioned previously The boiler can still operate in the latter two cases even if the captured room temperature is higher than the set room temperature Buderus 50 Logamatic EMS 6 720 801 386 2011 05 Tr
68. without mixing in cold water during or after the thermal disinfection process 1 WARNING Risk of scalding from hot water at the draw off points 1 Open the user menu 2 Select therm disinfection 3 Set yes or no If thermal disinfection is switched on 4 Set the temperature to which the DHW should be heated for disinfection basic setting 70 C Set the day of the week basic setting Tuesday ol 6 Set the time basic setting 01 00 hours in the morning the start can only be at full hours 5 16 Calibrating the room temperature display If there is a separate thermometer near the programming unit it may show a different room temperature to that shown on the programming unit If you wish to adjust calibrate the programming unit to match the thermometer you can use the room temp correct function Before adjusting the room temperature consider the following Is the thermometer more accurate than the programming unit Is the thermometer located close to programming unit so that they are both subject to the same heat influences e g sunlight fireplace 1 The function depends on the boiler used Buderus 44 Logamatic EMS 6 720 801 386 2011 05 Operation with the user menu 5 A thermometer may indicate temperature fluctuations more slowly or rapidly than the programming unit gt Therefore never calibrate the programming unit during phases when the heating system is co

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