Bosch Logamatic EMS RC35 Installation And Service Instructions Manual Download Page 6

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Key to symbols and safety instructions

Logamatic EMS – 6 720 801 387 (2011/05)

1.2

Safety instructions

Installation and commissioning

Observe these instructions to ensure satisfactory operation.

The appliance must only be installed and commissioned by an authorised installer.

Risk of death from electric shock

The power supply must be connected by a qualified electrician.

Observe the connection diagram.

Before installation: isolate all poles of the power supply (230 V AC). Secure against unintentional
reconnection.

Never install this appliance in wet rooms.

Never connect this appliance to the 230 V mains.

Damage through operator error

Operator errors can lead to injuries and/or material losses.

Ensure that children never operate this appliance unsupervised or play with it.

Ensure that only individuals who can operate this appliance correctly have access to it.

Warning: frost

The heating system can freeze up in cold weather if it is not in operation:

Leave the heating system permanently switched on.

Enable frost protection.

In case of faults: remedy any faults immediately.

Summary of Contents for Logamatic EMS RC35

Page 1: ...Installation and service instructions Room controller Logamatic EMS 6 720 618 477 00 1RS Programming unit RC35 6 720 801 387 2011 05 GB ...

Page 2: ...tallation 11 3 1 Choosing the right installation position 11 3 1 1 Installation in the reference room 11 3 1 2 Installation on boiler 12 3 2 Types of installation 12 3 3 Installation and connections 13 3 4 Hooking in or removing the programming unit 15 4 Principles of operation 16 4 1 Overview of controls 16 4 2 Introduction to the service menu 17 4 3 Overview of the service menu 19 5 Commissionin...

Page 3: ...ment of programming unit remote control unit in the software 35 6 4 2 Control mode outside temperature compensated room influence 35 6 4 3 Heating curve 36 6 4 4 Reduction modes night reduction 37 6 4 5 Frost prot 38 6 5 DHW 40 6 6 Solar data 43 6 7 RC35 calibration 44 6 8 Contact details 45 7 Diagnosis 46 7 1 Function test 47 7 2 Monitor value 48 7 3 Error message 49 7 4 Heating curve 50 7 5 Vers...

Page 4: ...ogamatic RC35 programming unit Introduction to the service menu Chapter 4 2 explains in detail the steps needed for programming all the settings in the service 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 Example USER MENU standard display operation modes switching programme sum win threshold USER MEN...

Page 5: ...s injury may occur DANGER indicates a risk to life Important information Additional symbols 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 replaced by a lightning symbol Important information where there is no risk to people or property is indicated with...

Page 6: ...oles of the power supply 230 V AC Secure against unintentional reconnection B Never install this appliance in wet rooms B Never connect this appliance to the 230 V mains Damage through operator error Operator errors can lead to injuries and or material losses B Ensure that children never operate this appliance unsupervised or play with it B Ensure that only individuals who can operate this applian...

Page 7: ... related questions please contact your local Buderus sales office These instructions describe all possible functions of the RC35 programming unit Some of these functions may not be available depending on which boiler combustion controller is used You will find information on this in the relevant chapter For information regarding the combustion controller see menu DIAGNOSIS VERSIONS Æ page 50 RC35 ...

Page 8: ... 0 6 Dimensions width height depth mm 150 90 32 Weight g 233 Operating temperature C 0 to 50 Storage temperature C 0 to 70 Relative humidity 0 to 90 CE designation Table 2 Specification programming unit RC35 Outside temperature sensor Flow temperature sensor DHW temperature sensor C k Ω C k Ω C k Ω 20 96 358 10 19 872 60 2 49 15 72 51 16 15 699 65 2 084 10 55 054 20 12 488 70 1 753 5 42 162 25 10 ...

Page 9: ...ories For detailed information regarding suitable accessories see the catalogue Mixer module MM101 for triggering a 3 way valve is not possible A description of the MM10 is included in the RC35 instructions Switching moduleWM101 for operation of a hydraulic low loss header Solar module and further EMS modules e g connection module ASM10 1 Hybrid module HM10 for combined operation of the boiler wit...

Page 10: ...equires clarification with the end user 37 38 HS day night temperature Day 19 21 C Night 16 C Day 21 C Night 17 C 13 operating instructions Control method Room flow room output can be changed over Room flow is the default setting and can only be switched over at the customer service level If room output is to be used contact your Buderus customer service Self test Self test available and can be ac...

Page 11: ...e as possible of the entire home External heat sources in the reference room e g sunlight or other heat sources such as an open fire affect the control functions This means it may be too cold in rooms without external heat sources Always open the thermostatic radiator valves fully in the reference room to prevent the two temperature controllers influencing each other Fig 1 Minimum clearances for i...

Page 12: ...the only programming unit in a heating system with two or more heating circuits2 Æ fig 2 1 Examples underfloor heating on one storey radiators in the others or a home combined with a separate dwelling unit or with a medical practice room In association with a remote programmer e g RC2x RC20 RF fig 2 2 In this case there are always two separate heating circuits Remote control units cannot be used f...

Page 13: ...lush box must not be able to falsify the capture of the room temperature by the programming unit If required stuff the flush box with insulation material B Use horizontal or vertical fixing holes 4 B Fit the wall mounting base Æ fig 3 left B Connect a two core BUS cable from the Energy Management System EMS to the RC cable terminals 5 Cable type 2 x 0 75 mm2 0 5 1 5 mm2 max length 100 m Polarity i...

Page 14: ... a flush box 5 RC connection to the EMS boiler 6 EXT terminals for external room temperature sensor or for jumper B If the RC35 programming unit is operated without external room temperature sensor a jumper is required at the EXT cable terminals 6 condition as supplied from the factory B If the RC35 programming unit operates together with an external room temperature sensor remove the factory fitt...

Page 15: ...ramming unit at the bottom in the direction of the arrow against the mounting plate until it clicks into place Fig 4 Hooking in the programming unit Removing the programming unit 1 Press the key underneath the mounting plate in the direction of the arrow 2 At the same time pull the programming unit forwards 3 Remove the programming unit by lifting upward Fig 5 Removing the programming unit 6 720 6...

Page 16: ... Frost protection is active DHW heating is off default setting DHW the DHW temperature has fallen below its set value Pushing this key means DHW will be heated up again the LED flashes during heat up 5 Keys for additional functions Function 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 Date Set ...

Page 17: ...on The modified value is saved 6 Press the button to go back one step Press the button several times or close the flap to show the standard display again Example Setting the building type adjusted time Operation Result 1 Open the flap by pulling the recessed grip on the left 2 Press simultaneously to open the SERVICE MENU 3 Turn the rotary selector to the left until settings is selected Press the ...

Page 18: ...make sure that the original setting is retained To do so repeat steps 6 and 7 if necessary 9 Press to go back one step or To finish entering the settings press several times or shut the flap The standard display reappears You can enter all settings in the SERVICE MENU using this procedure Operation Result Table 5 How to use the service menu example SETTINGS BOILER What type of building do you have...

Page 19: ...1 Parameters of the installed heating circuits 31 Domestic hot water1 Parameters for DHW 40 Solar data2 If solar is installed see documentation for the solar module 43 RC35 calibration Parameters calibration of the displayed room temperature 44 Contact details Entering the heating contractor s name and telephone number 45 Diagnosis Function test1 2 Activating individual components for test purpose...

Page 20: ...the respective flashing value Release button Hold the button pressed down and with the rotary selector set the respective flashing value Release button In the event of a power failure the date and time are retained for up to 8 hours All other settings are saved 3 Press simultaneously to open the SERVICE MENU Table 7 General commissioning If necessary you can change the contrast on the display B Ho...

Page 21: ...control mode Outside temperature compensated room temperature compensated Outside temperature compen sated Heating circuit x page 35 of the correct heating curve By means of the following parameters design temperature minimum outside temperature offset and set room temperature Heating circuit x page 32 of the correct building type damping of the outside temperature Light medium heavy Medium Plant ...

Page 22: ...led unmixed heating circuit Yes No Yes NO OF MIXERS How many mixed heating circuits are installed 0 to 3 0 Set the address on the rotary coding selector of the mixer module basic setting HK2 1 HEATING CIRCUIT 1 and other heating circuits Which operating unit is assigned to heating circuit 1 RC2x RC20 RF RC35 none RC35 Assigning programming units to heating circuits Æ page 35 General heating circui...

Page 23: ...re set the DHW on the boiler programming unit to AUT or activate DHW SOLAR MODULE Have you installed a solar module Yes No no 1 1 Not possible or not available with boilers with UBA1 x or DBA 2 Not possible with boilers with UBA4 3 Only possible with boilers with UBA4 4 Not possible or not available with boilers with DBA 5 Not available with boilers with UBA1 x DBA or UBA H3 Check whether further ...

Page 24: ...omer about the selected settings 5 6 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 B 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 B With hybrid systems with HM10 shut off power t...

Page 25: ...stat valves on the radiators in the reference room2 are not required with room temperature compensated control Fully open any thermostatic radiator valves in the reference room Anti block protection 1 In all operating modes all heating pumps are switched on for 10 seconds and then switched off again each Wednesday at 12 00 o clock in order to prevent damage to the pumps The mixers are then set to ...

Page 26: ...Yes No No In association with MCM10 the setting is automatically set to Yes screen is hidden 1 2 Is a sensor for a low loss header connected No at the boiler at the low loss header module No If a low loss header module is used connect the temperature sensor to the low loss header module 3 4 Is heating circuit 1 installed unmixed heating circuit Yes No Yes How many mixed heating circuits are instal...

Page 27: ... internal multiplier the runtime 6 minutes The time constant is the product of factor x runtime adjustment time constant in hours Should the adjusting of the outside temperature be switched off Yes No No When selecting yes the following parameter building type will be hidden What type of building do you have Light medium heavy Medium Building type heat storage capacity Æ Chapter 6 1 1 page 27 What...

Page 28: ...e temperatures or recent years and it has an influence on the heating curve The value can be taken from the heat demand calculation which should be done for every building or from the climatic zone chart for your region In the basic setting any changes in the outside temperature have an effect after a delay of three hours at the latest 30 x 6 minutes 180 minutes on the calculation of the outside t...

Page 29: ...lectricity fossil fuel 0 0 to19 9 3 3 What is the primary energy factor for the fossil fuel 0 0 to 5 0 1 1 What is the primary energy factor for the electrical energy 0 0 to 5 0 2 6 What should the dual mode switching threshold be 20 C to 20 C 6 C How is the pump on the HM10 integrated hydraulically serial parallel serial By what amount of time should the boiler switch in be delayed 5 to 120 minut...

Page 30: ...ard setting Other information Boiler pump after run time after burner stops deactivated 1 to 60 minutes 24 hours 5 min Setting is only possible with boilers with internal pump 1 1 Not possible or not available with pumps with UBA1 x Set the pump logic temperature 0 to 65 C 47 C Setting only possible in conjunction with BRM10 Table 13 Navigator for service menu SETTINGS BOILER SERVICE SETTINGS B pl...

Page 31: ...C2x With selection of None the control mode is switched to Outside temperature compensatedand it is hidden How should heating circuit 1 be controlled Outside temperature compensated room temperature compensated Outside temperature compen sated Room temperature compensated can only be set if RC2x or RC35 has been allocated If room temperature compensated is selected room flow is used Which heating ...

Page 32: ...n flow temp 5 C to 70 C 5 C Setting only if the control mode is set to outside temperature compensated Æ page 36 Enter the minimum flow temperature Setting only if the control mode is set to room temperature compensated Æ page 36 Rm tmp offset 5 0 K to 5 0 K 0 0 K Offset of heating curve Setting only if the control mode is set to outside temperature compensated Æ page 36 Enter the maximum room inf...

Page 33: ... should the reduction be interrupted OFF 30 C to 10 C OFF Reduction in accordance with DIN 12831 Æ page 39 Should domestic hot water priority be activated Yes No no Mixer 2 Is a mixer installed Yes No Yes Can only be set for heating circuit 2 onwards 2 What running time does the mixer have 10 s to 600 s 120 sec 2 What increase should be used for the boiler 0 K to 20 K 5 K 2 Screed drying2 Should a...

Page 34: ...es No no Start and stop times are automatically adjusted according to the outside temperature room temperature and building type heat storage capacity What reduction mode should be used for holiday Outdoor compensation mode reduced mode roomcompensation mode switch off mode Outdoor setback mode See page 37 Setting for room compensation mode only if a remote programmer e g RC2x has been allocated t...

Page 35: ...re summer mode night setback subject to the selected setback mode or DHW mode only with DHW priority Outside temperature compensated with the influence of room temperature basic setting this type of control works exactly as the pure weather compensated control but with the difference that by means of the parameters for maximum room influence it can be defined whether and to what degree the room te...

Page 36: ... temperature of 20 C with an adjusted outside temperature of 20 C The end point of the heating curve must be set according to the design temperature of the heating system The defining factors for the run of heating curve incline steepness are the two parameters minimum outside temperature the lowest expected outside temperature in a region page 28 and the design temperature the flow temperature wh...

Page 37: ...ing the offset 3 or by increasing the set room temperature 7 Parallel offset of the standard curve by changing the offset 3 or by reducing the set room temperature 6 4 4 Reduction modes night reduction There are a number of different setback modes available which allow night setback to be adjusted to suit the differing needs of the user Reduced operation the rooms are maintained at a reasonable te...

Page 38: ...ote control unit The operating mode protects the rooms from cooling down too much once a certain outside temperature is reached 6 4 5 Frost prot The frost protection function offers the following options No frost protection frost protection is switched off Outside temperature outside temperature sensor required If the outside temperature falls below the threshold of the settable frost limit temper...

Page 39: ...mperature Æ page 27 Fig 8 shows how the frost protection function works with and without this parameter activated Settings selected frost protection by outside temperature frost protection temp 5 C Fig 8 Effect of the parameter From which outside temperature should the reduction be interrupted Left parameter is set to Off basic setting Right parameter is set to 15 C TA Outside temperature TV Flow ...

Page 40: ...ot be uninstalled in the case of boilers with DBA Limiting value for maximum dom hot water temp setting 60 C to 80 C 60 C Subject to the boiler in use a the maximum possible set DHW temperature is limited to 60 C To which temperature should your domestic hot water be heated 30 C to 80 C 60 C If the limit has been set to 60 C this higher value can also be selected in the USER MENU What should be us...

Page 41: ...hen selecting yes the system jumps to the DHW circulation switching program Thermal disinfection2 Should a thermal disinfection be carried out Yes No no At which temperature should the thermal disinfection take place 60 C to 80 C4 70 C At temperatures above 60 C there is a risk of scalding at the draw off points during and after thermal disinfection On which day of the week should the thermal disi...

Page 42: ...tion depends on the boiler used 1 Not possible or available on boilers with UBA1 x UBA H3 or DBA 2 Not possible or not available with boilers with UBA1 x or DBA 3 With boilers with UBA H3 depending on the existence of a PZ output e g on module LM10 4 Subject to the boiler in use the temperature is permanently fixed an cannot be modified 5 Not possible or not available with boilers with UBA1 x Menu...

Page 43: ...n What is the max stor cylinder temp of the solar system 30 C to 90 C 60 C 1 1 Not possible or not available with boilers with UBA1 x or DBA Below which temperature should the cylinder not fall 30 C to 54 C off OFF 1 What is the minimum pump rating 20 to 100 100 1 Table 17 Navigator for service menu Settings Solar data For explanations of the settings see the documentation for the solar module boi...

Page 44: ...r 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 Example if the thermometer is showing a temperature 0 5 C higher than the programming unit enter 0 5 K as the calibration value Menu item Input range Standard setting Other information RC35 c...

Page 45: ...ome other symbols The current cursor position will flash marked by _ 1 Hold the button pressed down and simultaneously turn the rotary selector to select another character Release the button The modified character is saved 2 Turn the rotary selector to the left or right to move the cursor position 3 Enter a space to delete a character 4 Press to save your entries and leave the menu Menu item Input...

Page 46: ...ector to the left until diagnosis is selected B Press to open the SERVICE DIAGNOSIS menu 1 this function is only possible to a limited extent with boilers with UBA H3 2 This function is not possible or not available with boilers with UBA1 x or DBA 3 this function is only possible to a limited extent with boilers with DBA UBA1 x or UBA H3 Note that the menu items shown will vary depending on the he...

Page 47: ...st 1 This function is only possible to a limited extent with boilers with UBA H3 2 This function is not possible or not available with boilers with UBA1 x or DBA 3 This function is only possible to a limited extent if a HM10 hybrid module is used Observe the information which appears on the display when you switch to menus or enter settings Press any button or turn the rotary selector to confirm t...

Page 48: ... for each boiler heat generator are depicted in their own screen Call up the monitor values for the next boiler by turning the rotary selector Symbol present the corresponding function is active Explanation of symbols Æ Tab 21 page 49 Only in conjunction with MCM10 instead of boiler burner Hybrid Only in association with HM10 in place of boiler burner Heat generator1 Only in association with HM10 ...

Page 49: ...ting system continues to work automatically as soon as the error status is lifted System errors in the heating system are recorded in the RC35 programming unit with the exception of faults in the boiler or burner which are either locking or blocking faults The heating system keeps operating as much as possible during the fault a reset is not required Burner operational Heating demand DHW demand Fl...

Page 50: ...stem has several heating circuits Turn the rotary selector to display the heating curve of the next heating circuit 7 5 Versions You can use the INFO VERSIONS menu to view the software versions for heating system components B If the information can not be depicted in one display turn the rotary selector to show the next display 90 DIAG CHAR CURVE HC2 21 targ flow tmp 57 C INFO VERSIONS RC35 1 02 U...

Page 51: ...ange Standard setting Other information Maintenance interval How should servicing messages be triggered No messages by date by operation hours No messages When selecting date or operating hours the system changes automatically to the corresponding setting For by date annual servicing starting on 2000 01 01 2000 01 01 Setting date Hold the button pressed down and simultaneously turn the rotary sele...

Page 52: ...tary switch to set the display to Yes The reset is implemented after you release the button An appropriate message is shown during the reset this will close automatically B Once reset is complete confirm the new message by pressing any key 1 With boilers with UBA1 x DBA or UBA H3 only all the parameters of the RC35 are reset but not the parameters of the automatic firing units of 2 This function i...

Page 53: ...ng circuit with the number x SC FC Error display Effect on control characteristics Possible cause Remedy A01 800 Outside temperature sensor faulty The minimum outside temperature is applied Temperature sensor is incorrectly connected or fitted Breakage or short circuit in the sensor lead Temperature sensor is faulty B Check sensor connection and sensor lead B Check sensor mounting B Compare resist...

Page 54: ... e g by carrying out a function test A01 811 Thermal disinfection was unsuccessful Thermal disinfection has been interrupted Too much water drawn during thermal disinfection B Select thermal disinfection at a time when no additional heat demand is made Boiler output is too low for heat to be used simultaneously for other purposes e g second heating circuit Temperature sensor is incorrectly connect...

Page 55: ...C10 DBA UBA H3 HM10 or MCM10 is defective A01 828 Water pressure sensor is defect Digital water pressure sensor is faulty B Replace the water pressure sensor A02 816 No communicati on with BC10 BC10 settings are no longer adopted by RCxx devices Contact problem on BC10 or BC10 is faulty B Check BC10 connection B Replace BC10 if required A11 801 Internal error Heating system is in emergency mode In...

Page 56: ...ted control possible for heating circuit RC20 RF has incorrect address B Check the address parameter P1 in RC20 RF RC35 not installed or incorrectly connected B Check RC35 connection A12 815 Low loss header sensor faulty This may result in the following heating circuits receiving insufficient heat Temperature sensor is incorrectly connected or fitted Breakage or short circuit in the sensor lead Te...

Page 57: ...eather compensated control Switching point optimisation With room temperature compensated control it is controlled to maximum HKx temperature Faulty integral temperature sensor on the heating circuit s programming unit remote control unit B Replace the remote control unit A2x 816 No communicati on with operating unit HCx Since the actual room temperature is missing the following cannot function Ro...

Page 58: ...ption B Bring the RC20 RF within the range of reception Heating system has been switched off B Switch on the heating system When RFM20 was replaced the RC20 RF was not registered on the new RFM20 B Register the RC20 RF see documentation for RC20 RF A2x 842 Frost protection selected but no frost mode HKx Since the actual room temperature is missing the following cannot function Room influence Switc...

Page 59: ...ng independently in emergency mode Heating circuit pump is being continuously actuated Monitor data in RC35 is invalid Heating circuit addresses on MM10 and RC35 do not match B Check rotary coding switch on MM10 MM10 or BUS cable incorrectly connected or faulty RC35 does not recognise MM10 B Check terminals on MM10 and check bus cable B MM10Replace Hxx Service message no plant error The heating sy...

Page 60: ...urrent boil tmp boiler pump outside temp damp out tmp fuel valve OPEN ignition OFF flame ON flame current BURNER ON function test monitor value error message htg charact curve versions plant data boiler data heating circuit 1 heating circuit 2 etc domestic hot water solar data RC35 calibration contact data std tmp 10 Max flow min flow temp rm tmp offset Heating circuit enabled remote control type ...

Page 61: ...error memory 49 Display target values 48 Display versions 50 Displaying resetting service messages 51 E EMS 7 25 EMS BUS subscribers 25 ERC 7 10 Errors diagnostics service menu 49 F Flow temperature 36 Frost 6 Frost prot 38 Function test diagnostics service menu 47 H Heating circuit Installation 26 Service menu settings 31 several heating circuits 12 Heating curve adjustment notes 36 show 50 Heati...

Page 62: ... 36 S Safety instructions 6 Sensor characteristics 8 Service menu introduction 17 Service menu overview of the menus 19 Service service menu 51 Setting language 26 Setting the service interval 51 Shut down mode 37 Shutting down 24 Solar data Service menu Settings 43 Specification 8 Switch off LED for single loading 40 Switching off 24 switching program optimisation 31 System data Service menu sett...

Page 63: ...Logamatic EMS 6 720 801 387 2011 05 63 Notes ...

Page 64: ...Buderus Cotswold Way Warndon Worcester WR4 9SW All Enquiries 0844 892 3004 www buderus co uk In the UK and IE Buderus is a brand name of Bosch Thermotechnology Ltd ...

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