Buderus RC35 Operating Instructions Manual Download Page 19 | Manualshive

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Logamatic EMS RC35 programming unit - Subject to technical modifications

19

Principles of operation

4

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 (

Æ

page 38).

Switching thermal disinfection on/off

This function heats up the DHW to a
temperature sufficient to kill pathogens
(e.g. legionella).

B

Set thermal disinfection (

Æ

page 44).

1) Setting subject to the boiler installed.

2) The “DHW” LED may also have been disabled by the heating contractor.

What is it for?

Operation

Tab. 7

Setting DHW functions

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Summary of Contents for RC35

Page 1: ...For users Read carefully before use Operating instructions Room controller Logamatic EMS 6 720 618 477 00 1RS RC35 programming unit 6 720 642 272 10 2009 GB ...

Page 2: ...ht room temperature Frost protection is active DHW heating is off factory 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 5 Buttons for additional functions Function Menu OK Open the user menu and confirm the current selection When the rotary selector is turned at the same time change setting Time Set the time Da...

Page 3: ...ation 12 4 1 Display 12 4 2 Notes on functional scope 12 4 3 Setting the operating mode 13 4 4 Changing the room temperature temporarily 14 4 5 Changing the room temperature permanently 15 4 6 Setting the room temperature for particular heating circuits 16 4 7 Setting the date and time 17 4 8 Setting DHW functions 18 4 9 Viewing information Info menu 20 4 10 Messages on the display 22 4 11 Shuttin...

Page 4: ... circulation program 38 5 9 Setting the switchover threshold for summer winter mode 39 5 10 Setting the summer wintertime changeover 39 5 11 Setting the DHW temperature 40 5 12 Setting holiday mode 40 5 13 Setting the party function 43 5 14 Setting the pause function 43 5 15 Setting thermal disinfection 44 5 16 Calibrating the room temperature display 44 5 17 Setting the preheating phase for a Log...

Page 5: ...e 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 The operation is only briefly dealt with in the following sections Display texts Words appearing on the display are shown in bold in flowing text Example USER MENU standard display operation modes switching programme sum win threshold USE...

Page 6: ...severe injury DANGER indicates possible risk to life Important information Additional symbols Safety instructions in this document are framed and identified by a warning triangle which is printed on a grey background Electrical hazards are identified by a lightning symbol surrounded by a warning triangle Notes contain important information in cases where there is no risk of personal injury or mate...

Page 7: ...erial losses B Ensure that children never operate this appliance unsupervised or play with it B Ensure that only individuals who can operate this appliance correctly have access to it Risk of scalding at the hot water draw off points B During thermal disinfection do not draw DHW without mixing in cold water as well B If the DHW temperatures are set to above 60 C do not draw DHW without mixing in c...

Page 8: ...mode the modified room temperature remains active until the next switchover between night day mode if it is permanently too cool warm in the entire home Change room temperature and activate automatic mode B To change the day room temperature hold down and simultaneously turn rotary selector B To change the nighttime room tempera ture hold down and turn rotary selector at the same time 1 B We recom...

Page 9: ... is selected as the night setback mode the heating system is switched off at night A nighttime room temperature cannot be set The display will show a message to this effect In the case of large heating systems with multiple heating circuits note the following The modifications to the room temperature described above apply to all heating circuits assigned to the RC35 programming unit referred to as...

Page 10: ...le central heating B Leave the RC35 settings unchanged Example BC10 on the boiler if I feel too cool or too warm in spring or autumn B Change the setting for the summer winter switchover threshold in the user menu Æ page 39 or B Use manual mode when the clocks change between summer and wintertime The RC35 programming unit automatically adjusts its clock for summer or wintertime Æ page 39 if my day...

Page 11: ...n 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 management system or UBA1 x universal burner controller We recommend always operating the heating system with a programming unit otherwise the system only operates in emergency mode 3 3 EU Declaration o...

Page 12: ...functional scope These instructions describe all the possible functions of the RC35 Some of these functions may not be available depending on which boiler and combustion controller version are used For more information refer to the relevant chapter Contact your heating contractor for further details To check the version of the combustion controller used here UBA1 5 see the info menu under INFO VER...

Page 13: ... and night modes correspond to the manual day and night modes The only difference lies in the automatic switchover 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 DHW heating is on factory setting Only the day mode LED is lit up permanently reduced manual night mode Factory setting 17 C The...

Page 14: ...r day or night mode will be used Operation Result 1 Turn rotary selector The current room temperature setting starts flashing Turn rotary selector further Turn the rotary selector clockwise to increase the room temperature and anti clockwise to lower it 2 When you have reached the required room temperature release the rotary selector The modified room temperature is saved and stops flashing The st...

Page 15: ...hold down and turn rotary selector at the same time 1 If shut down mode 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 3 We recommend activating automatic mode Automatic mode ensures automatic switchover between day and night mode night setback Press Automatic mode is ...

Page 16: ...ion is not available if only one heating circuit is installed B To change the day room temperature hold down and simultaneously turn rotary selector until the required temperature is displayed Release The required temperature is saved B Turn rotary selector to switch to the night room temperature B To change the night room temperature hold down and simultaneously turn rotary selector until the req...

Page 17: ...e date 1 Open the flap by pulling the recessed grip on the left 2 Press The year starts flashing 3 To set the year hold down and turn the rotary selector at the same time 4 Release button The year is saved 5 Repeat steps 2 to 4 to set the month and day The set date is displayed briefly The standard display then reappears Setting the time 1 Press The hours start flashing 2 To set the hours hold dow...

Page 18: ... Æ page 27 the DHW temperature for the entire heating system can also be changed at the remote control unit B To change the DHW temperature hold down and turn rotary selector at the same time If a message is issued that this adjustment is not possible At the boiler programming unit turn rotary selector to AUT 1 or enable DHW heating Heating up DHW once1 To save energy during day mode DHW is only r...

Page 19: ...es for day mode you can set a separate program for DHW Æ page 38 Switching thermal disinfection on off This function heats up the DHW to a temperature sufficient to kill pathogens e g legionella B Set thermal disinfection Æ page 44 1 Setting subject to the boiler installed 2 The DHW LED may also have been disabled by the heating contractor What is it for Operation Tab 7 Setting DHW functions ...

Page 20: ... DHW heating to be adjusted via the RC35 turn rotary selector to AUT 1 Operation Result 1 Open the flap by pulling the recessed grip on the left 2 Press to open the INFO menu The message on the right is displayed for five seconds It then moves on automatically or Turn rotary selector to move immediately to the next display 3 Turn rotary selector to view further information 4 To exit the info menu ...

Page 21: ...e in kWh This means that the value displayed is a variable 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 GAIN THIS WEEK and ...

Page 22: ...e 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 B Press any key to confirm and close the message 4 11 Shutting down switching off The RC35 programming unit is powered via the heating system and remains permanently...

Page 23: ...ue starts flashing and turn rotary selector at the same time Release The modified value is saved 6 Press to go back one step Press several times or close the flap to return to the standard display 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 2 Press to open the USER MENU 3 Turn rotary selector ...

Page 24: ...and turn rotary selector at the same time 7 Release The value stops flashing The modified value is saved 8 If you have carried out this example as practice only make sure that the original setting is retained To do so repeat steps 6 and 7 if necessary Operation Result Tab 8 How to use the user menu example heating circuit 1 heating circuit 2 heating circuit 3 domestic hot water USER OPERATING MODE...

Page 25: ...ed days only active in automatic mode separate programs possible for DHW and DHW circulation 31 sum win threshold Switching automatically between summer mode and winter mode subject to outside temperature 39 summer winter Setting the clock to change over automatically between summer and wintertime 39 DHW temperature Setting the DHW temperature 40 holiday Interrupting the set switching program when...

Page 26: ...rcuits All heating circuits assigned to the RC35 i e those which do not have their own remote control unit Æ Fig 2 1 page 27 displayed only if more than one heating circuit is assigned to the RC35 domestic hot water DHW heating which is controlled by the RC35 circulation1 DHW circulation pump which is controlled via the RC35 solar1 Solar thermal system if installed complete system All heating circ...

Page 27: ...ow temperature is the temperature of the heating water generated by the boiler that flows into the heating circuit With the RC35 programming unit you can operate and control multiple heating circuits 1 In addition to the RC35 a separate remote control e g RC2x can also be installed for additional heating circuits 2 A remote control is advisable if you want to control different heating systems e g ...

Page 28: ...the room temperatures for the separate heating circuit can be set via the user menu Æ page 37 Fig 2 For heating circuit 1 2 Designation of the heating circuits on the display Setting the room temperature 1 Identical room temperature factory setting HC1 HC2 RC35 heat circuits1 1 No heating circuit selection is possible if no other heating circuit is available e g DHW Page 14 16 1 Different room tem...

Page 29: ... Operating modes for RC35 heating circuits The operating mode for the RC35 heat circuits can be set directly by pressing the corresponding button e g 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 heatin...

Page 30: ...n automatic operation DHW circulation starts 30 minutes prior to the first heating circuit being heated up and stops with the last heating circuit factory setting Alternatively you can set a separate DHW circulation program Æ page 38 permanently ON The DHW circulation pump runs constantly at the set interval regardless of the heating circuits permanently OFF The DHW circulation pump is not trigger...

Page 31: ...ating circuit and confirm A separate switching program can be set for each heating circuit You will then see the following options select programme Æ page 32 display curr prog Æ page 34 change switch point Æ page 34 enter switch point Æ page 35 delete switch point Æ page 36 room temperatures Æ page 37 not possible for DHW DHW circulation and solar heating circuits 4 Recommended use the select prog...

Page 32: ...ing program 1 Hold down 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 Æ page 34 or press several times to return to the standard display Creating a new program B Select new programme The enter switch point menu item Æ page 35 opens automatically for you to create yo...

Page 33: ... 00 12 00 22 00 23 00 afternoon part time work in the afternoon Mon Thu Fri Sat Sun 6 00 6 00 6 30 7 00 11 30 11 30 23 30 22 00 16 00 15 00 22 00 23 00 midday at home at midday Mon Thu Fri Sat Sun 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 single person Mon Thu Fri Sat Sun 6 00 6 00 7 00 8 00 8 00 8 00 23 30 22 00 16 00 15 00 22 00 23 00 senior citizens Mon Sun 5...

Page 34: ...ts switchover to day mode 4 Stop points switchover to night mode 5 Row showing status and settings for the selected switching point 1 Turn the rotary selector to the right The next switching point is displayed 2 Turn the rotary selector further to display the other 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 swit...

Page 35: ...n the rotary selector to change the time for that switching point The switching point will flash on the graph until it has been entered completely 3 Hold down and turn the rotary selector to specify whether the point is a start or a stop point Once the switching point has been entered completely all the values flash for three seconds The switching point can still be changed during this time After ...

Page 36: ...rn the rotary selector to select a different switching point The selected switching point starts flashing 2 Hold down and turn the rotary selector to yes The switching point is deleted 3 Turn rotary selector to go to other days 4 Press when you have finished making entries 5 Hold down and turn the rotary selector to save the modified or new program as user defined1 or user defined2 The selected pr...

Page 37: ... Æ page 16 Heating circuits with a remote control e g RC2x RC20 RF you set the room temperatures at the remote control not at the programming unit 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 Æ page 2...

Page 38: ...ch is independent of the 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 Æ page 34 or enter a new program 5 Save the program as user defined 1 or select do not save to cancel 6 Check that automatic operation is set for operation mode domestic hot water to make sure...

Page 39: ...me more comfortably in spring and autumn increase the switchover threshold 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 place is determined according to the statutory rules Changeover...

Page 40: ...5 heat circuits this option is only displayed if one or several heating circuits are assigned to the RC35 DHW and the other heating circuits remain active Should the official details for the changeover change adjust the summer wintertime changeover to no B Change the time manually 1 This function depends on the boiler used WARNING Risk of scalding The factory setting for the DHW temperature is 60 ...

Page 41: ...year hold down and turn the rotary selector at the same time 8 Release button The year is saved 9 Repeat steps 6 to 8 to set the month and day The start date of the holiday period has now been set 10 Turn rotary selector clockwise to set the end date of the holiday period 11 Set the end date of the holiday period by following steps 6 to 9 12 In addition for absent only turn rotary selector clockwi...

Page 42: ... holiday mode DHW off ECO No holiday mode If all HC set to holiday holiday mode CP off No holiday mode No holiday mode If at least one HC not set to holiday no holiday mode3 If at least one HC not set to holiday no holiday mode3 at home complete system As per Saturday switching program As per DHWprogram for Saturday3 3 The earliest start point and latest stop point out of all heating circuits on t...

Page 43: ...gain Ending the party function early B Open USER MENU party function again and select end 5 14 Setting the pause function You can 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 ...

Page 44: ...ferent 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 matching 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 hea...

Page 45: ... the preheating phase the heat pump unit with gas booster heater 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 Set the preheating phase set the requ...

Page 46: ...the room temperature in this reference room Control of the flow temperature is determined by the set room temperature and the recorded 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 highe...

Page 47: ...lose the thermostatic valves whilst airing heated rooms Make sure that your windows and doors form a proper seal and do not allow slight draughts when closed 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 DH...

Page 48: ...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 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 speed...

Page 49: ...oor 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 Æ page 46 Room temp...

Page 50: ...ow the name and telephone number of your heating contractor if these are programmed 2 Turn rotary selector several times if necessary if there are multiple messages to display the message and the code in the last row on the display 3 Check whether you can eliminate the fault yourself with a reset Æ page 52 4 Otherwise notify your heating contractor immediately stating the message and code To retur...

Page 51: ...p Code Display Cause Remedy Nothing appears on the display Heating system has been switched off B Switch on the heating system The power supply to the heating system has been interrupted B Check that the programming unit is correctly seated in its wall mounting base B Check that the cables are connected on the programming unit wall mounting base RC35 version connect to connection setup After start...

Page 52: ...g unit see the technical documentation for the boiler and or boiler programming unit B If the fault cannot be reset the display continues to flash notify your heating contractor Hxx please open cover Maintenance is required The heating system remains operational for as long as possi ble B Make arrangements to have the system serviced by your heating contractor H07 Water pressure too low The water ...

Page 53: ...ircuits Area of dwelling examples ground floor granny flat Remote control RC35 RC2x RC20 RF none1 1 With the setting none the heating circuit can be set via the RC35 it does not however belong to the so called RC35 heating circuits consequently the room temperatures can be adjusted separately Heating circuit 1 Heating circuit 22 2 Not available with some boilers Heating circuit 32 Heating circuit ...

Page 54: ...n Æ page 46 Outside temperature control with without room influence room temp controlled Htg charact curve Design temperature Minimum outside temperature Offset Type of building light medium heavy DHW circulation pump runtime1 1 This function depends on the boiler used durat 2 x 3 x 4 x 5 x 6 x per hour for three minutes each time Priority DHW yes no Switching programme times Æ page 31 Standard pr...

Page 55: ...rcuit 3 RC35 heat circuits complete system heating circuit 1 heating circuit 2 heating circuit 3 heating circuit 4 heating circuit 1 heating circuit 2 heating circuit 3 heating circuit 4 domestic hot water circulation select programme display curr prog change switch point enter switch point delete switch point room temperatures heating circuit 1 heating circuit 3 RC35 heat circuits domestic hot wa...

Page 56: ...ts 50 Faults resetting 52 Flow temperature 27 Frost 7 52 faults when there is a risk of frost 50 Frost protection 49 G Getting started 8 9 H Heat pump 45 Heat pump with gas booster heater 45 Heating circuit designations in list of options for selection 28 explanation 27 Heating circuit selecting 26 28 Heating circuits operating modes 29 Holiday mode 40 Holiday temperature 9 10 I Info menu 20 M Man...

Page 57: ...sages 51 Setting the DHW temperature 40 Setup report 53 Shutdown operation 49 Shutting down 22 Solar operating modes 30 Solar gain 21 Spring autumn heating during 9 10 Standard display 29 Start point 33 34 Stop point 33 34 Sum win threshold 39 Summer winter mode switching between 9 10 Summer wintertime changeover 39 Switching off 22 Switching point changing 34 deleting 36 entering 35 Switching pro...

Page 58: ...Logamatic EMS RC35 programming unit Subject to technical modifications 58 Notes ...

Page 59: ...Logamatic EMS RC35 programming unit Subject to technical modifications 59 Notes ...

Page 60: ...wold Way Warndon Worcester WR4 9SW Customer service 0844 892 3004 Technical support 0844 892 4224 Fax 01905 753130 www buderus commercial co uk In the UK and IE Buderus is a brand name of Bosch Thermotechnology Ltd ...

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