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Buderus RC30, Operating Instructions Manual

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Buderus RC30 Operating Instructions Manual Download Page 44

Extended functions

8

44

Operating instructions RC30 programmable room thermostat • Issue 02/2006

We reserve the right to make any changes due to technical modifications.

Next switching point

Continue to turn the dial until the next switching point is displayed.

The next switching point (Tuesday, 05:30) appears.

Change these switching points to 6:00 and 23:00 too. Continue to 
enter the new switching points in this way for the days up to and 
including Thursday. Now the system will heat from 6:00 to 23:00 
from Monday to Thursday.

Press "Back". The modified heating program is stored under the 
name "OWN PROG". Any previous own program will be 
overwritten.

USER NOTE

You can change the day of the week by pressing "Weekday" 
instead of "Time".

You can change the switch state ("On"/"Off") by pressing 
"Display" instead of "Weekday" or "Time". The switch state 
determines the operating mode: "On" = day mode, "Off" = night 
mode.

Make sure that there is an OFF switching point for every ON 
switching point so that the heating system can also switch back to 
night mode. 

Summary of Contents for RC30

Page 1: ...2 2006 GB For the user Please read thoroughly before use Operating instructions RC30 programmable room thermostat Also applies to the following accessories mixing valve module MM10 and low loss header module WM10 ...

Page 2: ...al heating 11 4 For your safety 13 4 1 Correct use 13 4 2 Please observe these notes 13 4 3 Cleaning 14 4 4 Disposal 14 4 5 Other notes 14 5 First steps with your RC30 15 5 1 Controls 15 5 2 Quick reference guide 17 5 3 Switching on and off 18 6 Language 19 7 Basic functions 20 7 1 Changing the room temperature directly 20 7 2 Selecting the operating mode 20 7 3 Setting the room temperature 24 7 4...

Page 3: ...ing a DHW program 51 8 17 Setting the operating mode for DHW circulation 53 8 18 Entering a DHW circulation program 54 8 19 Changing the standard display 55 9 Special functions additional menu 56 9 1 Opening and using the additional menu 57 9 2 Setting the holiday function 58 9 3 Setting the bank holiday function 62 9 4 Calibrating the room temperature 64 9 5 Setting the Party function 66 9 6 Sett...

Page 4: ...xample and match them to your requirements Special functions help you to save energy without sacrificing your personal comfort Your heating system offers a wealth of other useful functions including automatic summer winter changeover and a holiday function Function modules accessories These instructions also apply to the RC30 used in conjunction with the mixer module MM10 and low loss header modul...

Page 5: ...ature and the desired room temperature set temperature The relationship between the outside temperature and the flow temperature is described as the heating curve The lower the outside temperature the higher the flow temperature must be to achieve the required room temperature For example if you increase the set room temperature by 2 C the heating curve is raised in parallel This increases the flo...

Page 6: ...external heat sources are then ignored If you use this type of control adjust the thermostatic radiator valves so that the required room temperature is obtained in each room Room temperature control A further possible RC30 method is room temperature control The RC30 calculates the temperature required inside the boiler or the output required from the boiler subject to the set and the actual room t...

Page 7: ...ly to a limited degree This achieves an improved maintenance of the room temperature within the room containing the RC30 without fully ignoring the other rooms With this kind of control you will also need to keep all thermostatic radiator valves in the reference room fully open 2 3 Why do the thermostatic radiator valves have to stay fully open For example if you want to reduce the room temperatur...

Page 8: ...f energy by choosing a heating program to match your lifestyle The RC30 offers four options on night mode for reducing the room temperature Your installer will select and set up one of these options according to your requirements OUTSIDE STOP also possible without remote control outside sensor required Outside stop switches the heating circuit according to the outside temperature and the set frost...

Page 9: ...oiler Fig 1 on page 5 Several heating circuits may be connected to one boiler for example one heating circuit for supplying radiators and a further heating circuit for supplying an underfloor heating system In this case the radiators are supplied at a higher flow temperature than the underfloor heating system With the RC30 you can operate and control the two heating circuits independently Fig 2 It...

Page 10: ...ory Using an additional temperature sensor in the flow of the heating circuit to be supplied sufficient cold return water is added to the hot flow water via the three way mixing valve to achieve the required lower temperature Low loss header module WM10 It is important to note that heating circuits with three way mixing valves require an additional pump This pump enables the second heating circuit...

Page 11: ...rs and windows are correctly sealed At night close your shutters and blinds if installed z Heat in an energy conscious manner during in spring and autumn and make use of the summer winter changeover function see Chapter 9 10 Setting summer winter changeover page 72 In summer mode the heating is switched off and only DHW is heated In winter mode the heating and DHW are activated z Never position la...

Page 12: ... room temperature but also on the relative humidity The drier a room the cooler it feels You can improve the relative humidity with houseplants z You can also save energy when heating DHW by running the circulation pump in intermittent mode only Research has shown that it is generally sufficient to run the DHW circulation pump for three minutes in every 30 z Arrange with your installer to service ...

Page 13: ...s observe the safety instructions to prevent injury and material losses 4 1 Correct use The RC30 must only be used to operate and control Buderus heating systems with EMS Energy Management System 4 2 Please observe these notes USER NOTE z In an emergency isolate the heating system from the mains supply using the emergency stop switch outside the boiler room or by removing the main fuse z Call in y...

Page 14: ...damp cloth 4 4 Disposal z Dispose of packaging in an environmentally responsible manner z Dispose of old components in an environmentally responsible manner 4 5 Other notes Assembly maintenance and repairs as well as fault diagnosis must only be carried out by installers USER NOTE All changes and adjustments carried out on the RC30 must correspond to the heating system requirements Never open the ...

Page 15: ...EDs Item 3 Dial for changing values and temperatures or for navigating through the menus Item 4 Buttons for extended functions and special functions Item 5 Hinged flap covering the buttons for extended functions and special functions Buttons for basic functions Fig 3 Item 2 Buttons for extended functions Fig 3 Item 4 AUT button Automatic Display button Day mode button normal heating mode Time butt...

Page 16: ...ld of the recessed grip on the left hand side and pull the flap towards you Opening the flap activates a switch allowing you to use the extended functions and special functions ACTUAL ROOM TEMP 21 5 LED Operating status AUT The LED lights up when automatic mode heating program is active In addition the Day mode or Night mode LED is illuminated If the holiday function is active only the AUT button ...

Page 17: ...20 Extended functions Chapter 8 page 30 Buttons Function Factory setting Setting Range System Temperature for day mode 21 C 11 30 C Temperature for night mode 17 C 10 29 C DHW temperature 60 C 30 60 80 C Return to Automatic mode after changing the day or night temperature Flap closed Buttons Function Page Changing the standard display page 55 Setting the time page 34 Setting the date page 33 Selec...

Page 18: ...ption is designed for this constant operation and at 0 3 W is very low 0 6 W with background lighting To switch the heating system on or off set the ON OFF switch on the base controller Fig 4 Item 1 to position 1 ON or 0 OFF Buttons Menu Menu HOLIDAY THERM DISINF BNK HOLIDAY STD DISPLAY CALIBRATION KEY LOCK PARTY SU WI CHANGE PAUSE SU WI TIME Press the Time and weekday buttons at the same time to ...

Page 19: ...usly press the Display Heating circuit and Back buttons The main service level menu is displayed indicated by SERVICE MENU Press the Display button to select SERVICE MENU LANGUAGE Hold down the Display button and select the required language with the dial The selected language is displayed Release the Display button The language selection is saved All messages will now be displayed in the chosen l...

Page 20: ...the RC30 and turning the dial 7 1 Changing the room temperature directly If it is too cold in the house in general increase the room temperature on the RC30 and leave the thermostatic radiator valves unaltered Set the required room temperature by turning the dial Note To do this the RC30 flap must be closed 7 2 Selecting the operating mode You can operate the RC30 in two ways in automatic mode in ...

Page 21: ...dify this setting see Chapter 8 9 Selecting a preset heating program page 40 The heating program raises or lowers the room temperature at fixed times The time at which the system changes from night to day mode and vice versa is known as the switching point Example Activating automatic mode Press AUT The LED in the AUT button lights up automatic mode is active In addition either the Day mode or the...

Page 22: ...may find that your home feels too cold even though the heating system is in summer mode DHW heating only because of the outside temperature In such a case choose manual mode to run the heating The heating is then permanently on and must be turned off by pushing the AUT button You can also change the setting for automatic summer winter changeover see Chapter 9 10 Setting summer winter changeover pa...

Page 23: ... Day mode button to switch to manual mode The LED in the Day mode button lights up Now your heating system is set in constant day mode standard heating mode You can set the room temperature using the dial Press the Night mode button to switch to manual mode The LED in the Night mode button lights up Now your heating system is set in constant night mode setback heating mode and operates at a lower ...

Page 24: ...alter the room temperature Set the required room temperature by turning the dial Turning the dial clockwise increases the value turning anti clockwise reduces the value The newly selected room temperature will be saved after approx 2 seconds Then the selected standard display will be shown again To adjust the room temperature with the flap open you must press either the Day mode or Night mode butt...

Page 25: ... button and at the same time select the required room temperature with the dial Release the Night mode button The newly selected room temperature will be saved after approx 2 seconds Then the standard display will be shown again Press AUT The LED in the AUT button lights up automatic mode is active again OFF message If your installer has selected Shutdown as the setback type a room temperature can...

Page 26: ... times set in the heating program DHW heating is switched off i e no DHW is heated in night mode The DHW temperature for day mode is factory set to 60 C The DHW cylinder is loaded once in the morning before the start of heating and is only reloaded if the DHW temperature falls 5 C below the set value to conserve energy Fig 6 DHW heating according to the heating circuits Heating circuit 1 Night red...

Page 27: ... shown again BLOCK message If the display reads SET DHW TEMP BLOCK the DHW temperature can only be changed via the boiler and not via the RC30 z Check the setting on the BC10 boiler base controller Select the setting Aut using the dial for the DHW temperature USER NOTE In a modern Buderus DHW cylinder the water only cools down at a rate of around 0 5 C per hour when not being drawn i e reloading o...

Page 28: ...e Should you require a large amount of hot water proceed as follows Press DHW The LED in the DHW button flashes and single DHW heating begins Depending on the size of the DHW cylinder and the boiler rating the DHW will be available after approx 10 to 30 minutes With instantaneous water heaters or combination boilers DHW is available almost immediately DHW SGL LOADING ACTIVE USER NOTE If you have s...

Page 29: ...and hold down the DHW button Open flap Using the dial select Yes Then in accordance with the factory settings thermal disinfection begins every Tuesday at 1 00 and heats the water to 70 C Release the DHW button Thermal disinfection does not begin immediately but on the specified day at the specified time see Chapter 9 7 Thermal disinfection page 69 WARNING RISK OF SCALDING from hot water at the ta...

Page 30: ...ons for extended functions 8 2 Using the extended functions At this level proceed according to the Push hold and turn principle The control procedure is always similar z Open flap Hold down the required button e g the Time button and simultaneously turn the dial By turning the dial you modify the values which flash in the display Release the button Modified values are saved Fig 7 Buttons for the e...

Page 31: ... TEM Set room temperature and operating mode OP MODE Set operating mode and heating circuit BOILER TEMPERATURE Actual boiler temperature OUTSIDE TEMPERATURE Actual temperature outside the building ACTUAL DHW TEMP 1 Actual DHW temperature SET DHW TEMP 1 Set DHW temperature OP MODE DHW 1 Selected mode for DHW DHW LOADING 1 Cylinder loading pump is on or off i e DHW is being heated DHW CIRC 1 Circula...

Page 32: ... running time Stage 1 Stage 2 if available FLUE GAS TEMPERATURE Actual flue gas temperature if additional sensor fitted CONTROL DEV USED Control device for your heating system MODE USED Current programming unit for your heating system RC30 RC20 Setting Explanation Tab 2 Operating values which can be displayed 1 DHW operating values can only be displayed if a DHW circuit is installed ...

Page 33: ...ill therefore have to reset the date on the RC30 Hold down Weekday and select the current day with the dial The day of the week is automatically changed Release the Weekday button Hold down Weekday again and select the current month with the dial Release the Weekday button Hold down Weekday again and select the current year with the dial Release the Weekday button The new date is saved DATE INPUT ...

Page 34: ...an extended power failure for example you will therefore have to reset the time on the RC30 Hold down Time and select the current time with the dial Release the Time button The new time is saved TIME SETTING 14 28 00 USER NOTE Even after a power failure the clock continues to run for about 10 hours if the RC30 was previously connected to the power supply for at least six hours If the display with ...

Page 35: ...lected RC30 heating circuits all heating circuits that are assigned to the RC30 see RC30 heating circuits page 36 Heating circuit 1 unmixed heating circuit Heating circuit 2 mixed heating circuit DHW DHW circulation Hold down the Heating circuit button and select the required heating circuit with the dial Release the Heating circuit button The displayed heating circuit is now selected HEAT CIRC HE...

Page 36: ...g mode Required room temperature Holiday Bank holiday Party Pause Summer winter changeover Even if the heating circuits are grouped together you can still set the functions separately for each circuit Exception The operating mode and the required room temperature can only be entered for the RC30 HEATCIR together A heating program can only be selected separately for each heating circuit USER NOTE Y...

Page 37: ...can be selected RC30 heating circuits RC30 HEATCIR all heating circuits that are assigned to the RC30 see RC30 heating circuits page 36 Heating circuit 1 or 2 not available if more than one heating circuit is assigned to the RC30 If more than one heating circuit is assigned to the RC30 the room temperature and operating mode for these heating circuits can only be set together Otherwise the message...

Page 38: ... Manual mode Press either the Day mode or Night mode button instead of the AUT button Hold down the Day mode button and select the room temperature with the dial here 20 C which is required for the heating circuit The LED in the Day mode button lights up Now the heating circuit is set in constant day mode standard heating mode Hold down the Night mode button and select the room temperature with th...

Page 39: ...t to heat during the day From what time in the evenings do you no longer need heating This too may depend on the day of the week With the RC30 Buderus offers eight different pre programmed heating programs for direct selection Time taken to heat up the home The time taken for your heating system to heat up individual rooms may vary This will be subject to the outside temperature the building insul...

Page 40: ... can be adjusted or you can enter a specific programme to meet your exact needs Select a heating circuit see Chapter 8 6 Selecting a heating circuit page 35 Press and hold down the Prog button Initially the heating circuit for which you want to select a heating program will be displayed Two seconds later the name of the currently set heating program will be displayed Select the desired heating pro...

Page 41: ...0 23 00 23 30 23 00 MORNING Part time work in the morning Mo Th Fr Sa Su 5 30 5 30 6 30 7 00 8 30 8 30 23 30 22 00 12 00 12 00 22 00 23 00 AFTERNOON Part time work in the afternoon Mo Th Fr Sa Su 6 00 6 00 6 30 7 00 11 30 11 30 23 30 22 00 16 00 15 00 22 00 23 00 MID DAY Lunch at home Mo Th Fr Sa Su 6 00 6 00 6 00 7 00 8 00 8 00 23 00 22 00 11 30 11 30 13 00 23 00 17 00 22 00 SINGLES Mo Th Fr Sa S...

Page 42: ...ified heating program is then saved under the new name OWN PROG Only one custom heating program can be stored for each period Mon Thur Fri Sat Sun for each heating circuit If you enter a new OWN PROG the previous one will be overwritten The example below Fig 8 shows how the switching points of the FAMILY heating program can be changed for the days Monday to Thursday z Select a heating circuit see ...

Page 43: ...e 06 00 Release the Time button The new time for the On start day mode switching point is now saved Continue to turn the dial until the next switching point is displayed The Off start night mode switching point for Monday then appears Now you can modify the time for the Off switching point Hold down the Time button and select the required time with the dial Example 23 00 Release the Time button Th...

Page 44: ...ay for the days up to and including Thursday Now the system will heat from 6 00 to 23 00 from Monday to Thursday Press Back The modified heating program is stored under the name OWN PROG Any previous own program will be overwritten USER NOTE You can change the day of the week by pressing Weekday instead of Time You can change the switch state On Off by pressing Display instead of Weekday or Time T...

Page 45: ... new OWN PROG the previous one will be overwritten For example you want the heating to run on Monday to Thursday from 05 00 to 21 00 on Friday from 07 00 to 22 00 and on Saturday and Sunday from 09 00 to 23 00 You can choose from the following input options z Select a heating circuit see Chapter 8 6 Selecting a heating circuit page 35 Hold down the Prog button and select the NEW PROG heating progr...

Page 46: ...xample 05 00 Release the Time button Hold down the Display button and select the ON switch state with the dial Release the Display button The new switching point is stored Next switching point Enter the next switching point an OFF switching point Continue to turn the dial until the next switching point is displayed Repeat the steps as necessary until you have entered the switching points for every...

Page 47: ...ng point is not displayed until you have entered the day or group of days time and operating mode switch state You can enter them in any sequence If you press the Back or AUT button whilst entering a switching point a switching point that has been partially entered will be lost Make sure that you enter an OFF switching point for every ON switching point so that the heating system can also switch b...

Page 48: ...can delete individual switching points in a heating program z Select a heating program see Chapter 8 9 Selecting a preset heating program page 40 Using the dial select the first switching point to be deleted Example 16 00 SWITCH POINT USER NOTE If you have assigned all 42 switching points the SWITCH POINT display no longer appears You cannot enter any more switching points Fig 10 Deleting switchin...

Page 49: ...en all the eights disappear the selected switching point has been deleted Release the Display and Heating circuit buttons SWITCH POINT ON MO 16 00 SWITCH POINT DELETE 888888 USER NOTE Make sure that you always delete both an ON switching point and an OFF switching point Otherwise the heating system will remain in day mode at night for example Fig 11 Fig 11 Incomplete deletion of switching points N...

Page 50: ...utton HEAT CIRC DHW ACTUAL ROOM TEMP 21 5 Button DHW operating mode AUT DHW AUTO DAY automatic mode In the factory setting DHW heating begins 30 minutes before the day mode of the first heating circuit and ends with the beginning of night mode of the last heating circuit The DAY or NIGHT display indicates the current operating status i e DHW is switched on or off Alternatively you can enter a sepa...

Page 51: ...ading the DHW cylinder once in the morning before heating begins and possibly reloading it once in the evening if further hot water is required see Fig 12 This will allow you to reduce your energy consumption even more Entering a DHW program Hold down the Heating circuit button and select DHW with the dial USER NOTE In automatic mode the DHW temperature is reduced when all heating circuits are in ...

Page 52: ...er 8 12 Creating a new heating program page 45 Activating a new DHW program Hold down the Prog button and select the OWN PROG heating program with the dial Release the Prog button Restoring the factory setting Hold down the Prog button and select the TO HC T PROG heating program HTC heating circuit time with the dial The ON and OFF Times for DHW are linked again to the chosen heating program Relea...

Page 53: ...t instantaneous supply of DHW to the taps To this end the DHW is circulated by a separate DHW circulation pipe twice an hour for three minutes Your installer can adjust this interval at the service level You can modify the operating mode of the DHW circulation as follows Hold down the Heating circuit button and select CIRCULATION with the dial Release the Heating circuit button Then the standard d...

Page 54: ...DHW circulation operating mode AUT DHW CIRC AUTO DAY automatic mode 30 minutes before the first heating circuit is switched on the DHW circulation pump starts to run at the set interval and stops when the last heating circuit is switched off factory setting The DAY or NIGHT display indicates the current operating status i e the DHW circulation pump is switched on or off Alternatively you can enter...

Page 55: ...p The standard display changes to your chosen display Setting Explanation ACT ROOM TEM Actual room temperature factory setting SET ROOM TEM Set room temperature OUTSIDE TEMP Actual temperature outside the building BOILER TEMP Actual boiler temperature DHW TEMP Actual DHW temperature in the DHW cylinder OP MODE Selected operating mode TIME Current time DATE Current date FLUE GAS TMP Actual flue gas...

Page 56: ...ystem economically in special circumstances e g during a winter holiday The special functions are grouped together in the additional menu on the RC30 The following special functions can be chosen via the menu Fig 13 Special functions in the additional menu Only if a gas heat pump is installed Summer winter change over Summer winter time Heat pump preheat phase Actual room tem perature correction T...

Page 57: ...day buttons simultaneously and release them again You are now in the additional menu and can access the special functions Using the additional menu The special functions are selected using the dial and the Display button Turn the dial to move between the menu options Press and release the Display button to select a menu option Hold down the Display button and simultaneously turn the dial to change...

Page 58: ...epeatedly or close the flap to return to the standard display 9 2 Setting the holiday function You want to interrupt the current heating program because you are going on holiday for a few days and want less heating while you are away The advantage of the holiday function over manual night mode is that after your holiday you will come back to a warm home and the control returns to its normal funkti...

Page 59: ...its only displayed if heating circuit 1 and heating circuit 2 are assigned to the RC30 Heating circuit 1 or 2 DHW including DHW circulation Entire system heating circuits and DHW You can now enter the start date for your holiday Hold down the Display button and select the required start date with the dial Release the Display button The start date is stored Now set the end date for your holiday Hol...

Page 60: ...01 03 USER NOTE Make sure that the end date is after the start date If the start and end dates are the same the specified holiday period is deleted You can cancel the holiday function at any time by setting the start date and the end date to the same date HOLIDAY TEMPERATURE 17 USER NOTE If the RC30 or an RC20 remote control is installed in the living room room temperature control then the heating...

Page 61: ...uctions RC30 programmable room thermostat Issue 02 2006 Interrupting and continuing the holiday function If you are staying in your home during the holiday function period and want to run the heating you can interrupt the holiday function To run the heating in day mode Press Day mode To continue the holiday function Press AUT ...

Page 62: ...me as for a Saturday z Open the additional menu see Chapter 9 1 Opening and using the additional menu page 57 Using the dial select ADD MENU BNK HOLIDAY Press and release the Display button You are now in the BNK HOLIDAY menu Hold down the Display button and select the required heating circuit with the dial Release the Display button Now you can choose between RC30 heating circuits only displayed ...

Page 63: ...ay Hold down the Display button and select the required end date with the dial Release the Display button The end date is stored Now the Saturday heating program will be used on the specified days BNK HOLIDAY START DATE 29 03 02 BNK HOLIDAY END DATE 01 04 02 USER NOTE Make sure that the end date is after the start date If the start and end dates are the same the specified period is deleted You can...

Page 64: ...ometer near to the RC30 displaying a different value If you want to calibrate the RC30 to the thermometer you can use the Calibration function Before calibrating the room temperature please consider the following points Is the thermometer more accurate than the RC30 Is the thermometer situated right next to the RC30 z Open the additional menu see Chapter 9 1 Opening and using the additional menu p...

Page 65: ...f the temperature displayed by the thermometer is 0 5 C higher than that displayed by the RC30 enter 0 5 K as the calibration value Release the Display button The set calibration value is stored Press the Back button or close the flap CALIBRATION ACT ROOM TEM 0 5 K USER NOTE You can also have an additional room temperature sensor installed for the RC30 This is useful if you want to measure the tem...

Page 66: ...r 9 1 Opening and using the additional menu page 57 Using the dial select ADD MENU PARTY Press and release the Display button You are now in the PARTY menu Hold down the Display button and select the required heating circuit with the dial Release the Display button You can now enter the number of hours for which you want to continue heating in day mode starting from now Hold down the Display butto...

Page 67: ...switch your heating to setback heating mode night mode for a certain period regardless of the current heating program z Open the additional menu see Chapter 9 1 Opening and using the additional menu page 57 Using the dial select ADD MENU PAUSE Press and release the Display button You are now in the PAUSE menu Hold down the Display button and select the required heating circuit with the dial Releas...

Page 68: ... system will interrupt the normal heating mode for 4 hours You can enter a value from 0 to 99 factory setting 0 Release the Display button The number of hours is stored Press the Back button or close the flap The Pause function is activated Cancelling the Pause function early Set the number of hours in the Pause function to 0 in order to end it before the specified number of hours has elapsed PAUS...

Page 69: ...u page 57 Using the dial select ADD MENU THERM DISINF Hold down the Display button and select THERMAL DISINFECTION YES with the dial Release the Display button In accordance with the factory settings thermal disinfection begins every Tuesday at 1 00 and heats the water to 70 C Turn the dial clockwise to access the other settings WARNING RISK OF SCALDING from hot water at the taps During the therma...

Page 70: ...e 9 8 Changing the standard display You can change the standard display on the RC30 either via the additional menu or directly as described in Chapter 8 19 Changing the standard display page 55 This section also describes all the standard display options Disinfection day Mo Tu We Th Fr Sa Su Mo Su Tu Disinfection time 00 00 23 00 1 00 Input range Factory setting USER NOTE If possible choose a time...

Page 71: ...dditional menu page 57 Using the dial select ADD MENU KEY LOCK Press the Display button You are now in the KEY LOCK menu Hold down the Display button and select the setting On with the dial Release the Display button The button lock is now switched on Press the Back button or close the flap If you press a button whilst the button lock is activated the display shows Weekday DAY DATE TIME KEY to tel...

Page 72: ...changeover depends on the following factors Outside temperature Type of construction thermal insulation The adjusted outside temperature is calculated from the outside temperature and the thermal insulation of your home Fig 14 The adjusted outside temperature is a theoretical variable calculated by the RC30 which takes into account the heat storage capacity of the walls For example with an outside...

Page 73: ...ing only If you require heating for a short period in summer mode Press the Day mode button to switch to normal heating mode for a short time see Chapter 7 2 2 Selecting manual mode page 23 Press AUT to return to automatic summer mode Winter mode When the adjusted outside temperature falls below the changeover threshold the heating system switches to winter mode heating and DHW heating USER NOTE F...

Page 74: ...button and select the required changeover threshold with the dial You can enter a value from 10 C to 30 C factory setting 17 C or sellect permanently SUMMER or WINTER In the SUMMER setting the heating is always switched off and in the WINTER setting it is always switched on There is no automatic changeover Release the Display button The changeover threshold for summer winter changeover is stored P...

Page 75: ...e time changes from 03 00 to 02 00 1 h Changeover to summer time On the last Sunday in March the time changes from 02 00 to 03 00 1 h z Open the additional menu see Chapter 9 1 Opening and using the additional menu page 57 Using the dial select ADD MENU SU WI TIME Press the Display button You are now in the SU WI TIME menu Hold down the Display button and select the setting YES with the dial You c...

Page 76: ...t pump unit preheats the heating system without the peak load boiler The continuous running of the heat pump generally increases the overall efficiency and saves more energy than a reduction in the room temperature The preheat phase starts at the preset time before the day mode of the first heating circuit z Open the additional menu see Chapter 9 1 Opening and using the additional menu page 57 Usi...

Page 77: ...ase with the dial You can set a value in hours and minutes up to max 16 30 h min In the factory setting preheating is switched off The maximum efficiency is obtained when the heat pump runs constantly To achieve this set the length of the preheat phase so that it is longer than the night mode period in the chosen heating program Release the Display button The preheat phase length is stored Press t...

Page 78: ...erature measured with a separate thermometer not correlate with the set room temperature Different values influence the room temperature If the RC30 is mounted against 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 e g close to a radiator it will be influenced by the heat from that This is why a separate thermometer can display a...

Page 79: ... up automatically at a predefined interval to prevent it from blocking If the pump happens to be started up immediately after DHW heating the unusable residual heat is dissipated via the heating circuit and the radiators Why does the heating system pump run during the night even though there is little or no heating on This depends on the setting chosen for night setback by your installer see Why d...

Page 80: ...em can be set to three possible control modes see How does the RC30 work page 5 In the last two cases the boiler may run even if the actual room temperature is higher than the set room temperature Room temperature control The boiler switches off when the set room temperature is reached Outside temperature dependent control The heating system runs according to the outside temperature Outside temper...

Page 81: ...ence Check whether the RC30 sits correctly in its wall mounting base Check whether two leads are connected to the RC30 wall mounting base A11 802 TIME NOT SET The date or time is not set This may have been caused by an extended power failure Enter the time or date so that all heating programs and other functions can operate A11 803 DATE NOT SET Hxx OPEN FLAP Maintenance is required The heating sys...

Page 82: ...Resetting faults Reset Some faults can be rectified by resetting the system z Press the Reset button on the control panel to reset faults The display shows rE whilst the reset is implemented If the fault recurs notify your installer as soon as possible especially if there is a risk of frost Press the Display button to display the second code CAUTION SYSTEM DAMAGE through frost The heating system c...

Page 83: ...DHW heating 26 51 operating mode 50 DHW circulation automatic mode 54 operating mode 53 DHW circulation program 54 DHW program 51 DHW temperature 27 31 Disinfection thermal 29 69 Display 15 16 E Emergency stop switch heating system 13 Extended functions 30 F Factory setting DHW temperature 26 holiday mode 60 party function 66 pause function 68 summer winter changeover 74 Fault table 81 Flap key co...

Page 84: ...16 Operating values 31 Outside temperature 5 72 P Party function 66 Pause function 67 Power failure 18 Preheat phase gas heat pump 76 R RC30 heating circuits 36 Reference room 6 Remote control 9 Reset 82 Room temperature actual 31 calibration 64 set 31 setting as required 24 Room temperature control 6 Room temperature sensor external 65 S Safety 13 Saving energy 8 11 39 51 74 Shutdown 18 Special f...

Page 85: ...Notes 85 We reserve the right to make any changes due to technical modifications Operating instructions RC30 programmable room thermostat Issue 02 2006 ...

Page 86: ...Notes 86 Operating instructions RC30 programmable room thermostat Issue 02 2006 We reserve the right to make any changes due to technical modifications ...

Page 87: ...Notes 87 We reserve the right to make any changes due to technical modifications Operating instructions RC30 programmable room thermostat Issue 02 2006 ...

Page 88: ...don Worcester WR4 9SW Tel 01905 752794 Fax 01905 753130 www buderus commercial co uk In the UK Buderus is a trading name of BBT Thermotechnology Ltd BBT Thermotechnik GmbH D 35573 Wetzlar www heiztechnik buderus de info heiztechnik buderus de ...

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