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Troubleshooting

Logamatic EMS RC35 programming unit - Subject to technical modifications

A3x 807 HCx flow

sensor is
defect.

The heating circuit
pump continues to be
controlled with
reference to the
default value.

The actuator is
switched to zero volt
and remains in the last
active state (manually
adjustable).

Temperature sensor is
incorrectly connected
or fitted.

Breakage or short cir-
cuit in the sensor lead.

Temperature sensor is
faulty.

Check sensor
connection and
sensor lead.

Check sensor
mounting.

Compare resistance
values with the
sensor curve.

A3x 816 No commu-

nication with
HCx mixer
module.

Heating circuit x
cannot be operated
correctly.

MM10 and actuator
(mixer) are running
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.

Check rotary coding
switch on MM10.

MM10 or BUS cable
incorrectly connected
or faulty.

RC35 does not
recognise MM10.

Check connections
on MM10 and BUS
cable.

Replace MM10.

Hxx

Service
message,

plant error

The heating system
keeps operating as far
as possible.

Example: service
interval has expired.

Maintenance is
required, see boiler
documentation.

System faults do not need resetting. Contact your local service engineer or your
Buderus sales office if you cannot remedy the system fault yourself.
Other faults are described in the documents relating to the individual boiler.

Events
display

Effect on control
characteristics

Possible cause

Remedy

Tab. 21 Fault table

Содержание Logamatic EMS RC35

Страница 1: ...For contractors Read carefully before installation and servicing Installation and service instructions Room controller Logamatic EMS 6 720 618 477 00 1RS RC35 programming unit 6 720 642 298 10 2009 GB ...

Страница 2: ... 1 Choosing the right installation position 10 3 1 1 Installation in reference room 10 3 1 2 Installation on boiler 11 3 2 Types of installation 11 3 3 Installation and connections 12 3 4 Attaching or removing the programming unit 13 4 Principles of operation 14 4 1 Overview of controls 14 4 2 Introduction to the service menu 15 4 3 Overview of the service menu 17 5 Commissioning 18 5 1 General co...

Страница 3: ... 3 1 Assignment of programming unit remote control unit in the software 31 6 3 2 Control mode outside temp contr room influence 31 6 3 3 Heating curve 32 6 3 4 Setback modes night setback 33 6 3 5 Frost protection 34 6 4 DHW 36 6 5 Solar data 39 6 6 RC35 calibration 40 6 7 Contact details 41 7 Diagnosis 42 7 1 Function test 42 7 2 Monitor value 43 7 3 Error message 44 7 4 Heating curve 45 7 5 Vers...

Страница 4: ... of the Logamatic 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 flowing text Example USER MENU standard display operation modes switching programme sum win thres...

Страница 5: ...cates that severe injury may occur DANGER indicates a risk to life Important information Additional symbols Warnings in this document are identified by a warning triangle and printed against a grey background If there is a danger due to electricity 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 in...

Страница 6: ...solate all poles 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 Risk of damage due to 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 o...

Страница 7: ... RC2x produced before or in 2005 only two remote control units can be connected In case of 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 i...

Страница 8: ...ith backlighting W 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 Tab 2 Specification RC35 programming unit 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 2 490 15 72 510 16 15 699 65 2 084 10 55 054 20 12 488 70 1 7...

Страница 9: ...ules e g solar module SM10 These setting options are explained in a separate manual 2 6 Accessories For detailed information regarding suitable accessories see the catalogue Mixer module MM101 for control of a 3 way valve A description of the MM10 is included in the RC35 instructions Low loss header module WM101 for operating a low loss header Solar module and additional EMS modules e g connection...

Страница 10: ...sentative 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 clearanc...

Страница 11: ...t As the only programming unit in a heating system with two or more heating circuits1 Æ Fig 2 1 Examples underfloor heating on one floor radiators on the others or a main flat together with a separate granny flat or doctor s surgery In conjunction with a remote control e g RC2x RC20 RF Fig 2 2 In this case there are always two separate heating circuits Remote control units cannot be used for boile...

Страница 12: ...from the Energy Management System EMS at terminals RC 5 Cable type 2 x 0 75 mm2 0 5 1 5 mm2 max length 100 m Polarity is irrelevant for the two wires B Do not lay the cables parallel to power cables Fig 3 Mounting the wall mounting base left and connecting the wires right 1 Hole drilled in the wall 2 Screws included with the unit for surface mounting on the wall 3 Vertical mounting holes for mount...

Страница 13: ... 4 Attaching or removing the programming unit Attaching the programming unit 1 Hook the programming unit at the top into the mounting plate in the direction of the arrow 2 Push the programming unit at the bottom in the direction of the arrow against the mounting plate until it clicks into place Fig 4 Attaching the programming unit Removing the programming unit 1 Press the button underneath the mou...

Страница 14: ...ghttime room temperature Frost protection is active DHW heating is off factory 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 Buttons for additional functions Function Menu OK Open the user menu and confirm the selection When rotary selector is turned at the same time change setting Time Set the tim...

Страница 15: ...make your selection 5 To change the value hold down the value 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 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 simultaneousl...

Страница 16: ...actice only 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 re appears You can enter all settings in the SERVICE MENU using this procedure Operation Result Tab 4 How to use the service menu example SERVICE SETTINGS Bplant data boiler da...

Страница 17: ...ts 27 domestic hot water1 Parameters for domestic hot water 36 solar data2 If solar is installed see documentation for the solar module 39 RC35 calibration Parameters calibration of the displayed room temperature 40 contact data Entering the heating contractor s name and telephone number 41 diagnosis function test1 2 Activating individual components for test purposes 42 monitor value Viewing targe...

Страница 18: ...nd time Hold down and set the flashing values with rotary selector Release button Hold down and set the flashing values with rotary selector 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 4 Press simultaneously to open the SERVICE MENU Tab 6 General commissioning If necessary you can change the contrast on the display B ...

Страница 19: ...page 28 The required control mode outside temp contr room temp controlled outside temp contr heating circuit x page 31 The correct heating curve By means of the following parameters design temperature minimum outside temperature offset and set room temperature heating circuit x page 28 The correct building type adjusting the outside temp light medium heavy medium plant data page 24 The switching f...

Страница 20: ...s header module 3 SYSTEM Is heating circuit 1 installed unmixed heating circuit yes no yes NO OF MIXERS How many mixed heating circuits are installed 0 to 3 0 Set the address at the rotary coding switch on the mixer module factory setting HC2 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 ...

Страница 21: ...hot water yes no no 4 What should be used for domestic hot water heating 3 way switching valve cylinder primary pump 3 way switching valve 5 To which temperature should your domestic hot water be heated 30 C to 80 C 60 C To be able to change the DHW temperature set DHW on the boiler programming unit to AUT or enable DHW SOLAR MODULE Have you installed a solar module yes no no 1 1 Not possible or a...

Страница 22: ...Thermostatic radiator valves in the reference room Radiators in the reference room do not require thermostatic valves2 for room temperature dependent control Fully open any thermostatic radiator valves in the reference room Pump kick1 In all operating modes all the heating circuit pumps are switched on and then off again for 10 seconds every Wednesday at 12 noon to prevent pump damage The mixers a...

Страница 23: ...alled a module for the hydraulic separator yes no no In conjunction with MCM10 this setting is automatically set to yes the mask is hidden 1 2 Is a sensor for a low loss header connected no at the boiler at the low loss header module no When a low loss header is used connect the temperature sensor to the low loss header module 3 Is heating circuit 1 installed unmixed heating circuit yes no yes How...

Страница 24: ...ng type and an internal multiplier the runtime 6 minutes The time constant is the product of factor x runtime adjustment time constant in hours Should the outside temp damping 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 24 What i...

Страница 25: ...e mean of all the coldest outside temperatures of recent years and helps to determine the heating curve The value can be taken from the heat requirement calculation which should be done for every building or from the climatic zone chart for your region With the factory settings changes in the outside temperature affect the calculation of weather compensated control after no more than three hours 3...

Страница 26: ... item Input range Factory setting Other information Boiler pump after run time after burner stops deactivated 1 to 60 min 24 h 5 min Setting only possible with boilers with internal pump 1 1 Not possible or not available with boilers with UBA1 x Set the pump logic temperature 0 to 65 C 47 C Setting only possible in conjunction with BRM10 Tab 11 Navigator for service menu SETTINGS BOILER SERVICE SE...

Страница 27: ...page 31 For UBA1 x RC2x is not available If none is selected then the type of control is changed over to outside temp contr and is then hidden How should heating circuit 1 be controlled outside temp contr room temp controlled outside temp contr room temp controlled can only be set if RC2x or RC35 have been assigned When selecting room temp control led room flow will be used Which heating system do...

Страница 28: ...ntr Æ page 32 min flow temp 5 C to 70 C 5 C Adjustment only if the control type is set to outside temp contr Æ page 32 Enter the minimum flow temperature Adjustment only if the control type is set to room temp contr Æ page 32 rm tmp offset 5 0 K to 5 0 K 0 0 K Offset of heating curve Adjustment only if the control type is set to outside temp contr Æ page 32 Enter the maximum room influence 0 K to ...

Страница 29: ... what outside temp should reduction be interrupted OFF 30 C to 10 C OFF Setback in accordance with EN 12831 standard Æ page 34 Should domestic hot water priority be activated yes no no Mixer2 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 sec to 600 sec 120 sec 2 What increase should be used for the boiler 0 K to 20 K 5 K 2 ...

Страница 30: ...amme be optimised yes 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 setback mode reduced operation Room setback mode shut down mode Outdoor setback mode See page 33 Adjustment Room setback mode only if a remote control e g RC2x has been alloca...

Страница 31: ...tched off are summer mode night setback subject to the selected setback mode or DHW mode only with DHW priority outside temp contr with room temperature hook up factory setting this form of control functions like a pure weather compensated control with the difference that parameter maximum room influence enables the determination whether and to what extent the room temperature can influence the he...

Страница 32: ...ed at 20 C flow temperature at a room temperature of 20 C with an adjusted outside temperature of 20 C The end point of the heating curve must be set in accordance with the design temperature of the heating system The two parameters minimum outside temperature the lowest outside temperature to be expected in a region page 25 and std temp the flow temperature that should be reached at minimum outsi...

Страница 33: ...ndard curve by changing 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 3 4 Setback modes night setback 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...

Страница 34: ...temperature is reached 6 3 5 Frost protection The frost protection function offers the following options no frost protection frost protection is switched off outside temp outside temperature sensor required The heating circuit pump starts automatically if the outside temperature falls below the adjustable frost protection temperature threshold room temperature room temperature sensor of the RC35 o...

Страница 35: ...cted frost protection by outside temp frost protection temp 5 C Fig 8 Effects of the parameter At what outside temp should reduction be interrupted Left parameter set OFF factory setting Right parameter set to 15 C TA Outside temperature TV Flow temperature 1 Standby 2 Reduced mode at set nighttime room temperature 3 Heating mode at set daytime room temperature The heating system changes from redu...

Страница 36: ... water yes no no DHW cannot 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 US...

Страница 37: ...tching programme yes no no When selecting yes the system jumps to the DHW circulation switching program Thermal disinfection2 Should a thermal disinfection be carried out yes no no What temperature should be used for thermal disinfection 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 should the the...

Страница 38: ...to 50 sec OFF This function depends on the boiler used 1 Not possible or available on boilers with UBA1 x UBA H3 or DBA 2 Not possible or available on boilers with UBA1 x or DBA 3 On boilers with UBA H3 subject to the availability of the PZ output e g with module LM10 4 Subject to the boiler in use the temperature is permanently fixed an cannot be modified 5 Not possible or available on boilers wi...

Страница 39: ...g Other information 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 What temp must the storage cylinder not fall below 30 C to 54 C OFF OFF 1 What is the minimum pump rating 20 to 100 100 1 Tab 15 Navigator for service menu Settings Solar data For explanations of the settings see the documentation for the so...

Страница 40: ...ure 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 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 Factory setting Other informat...

Страница 41: ...aracters capital letters numbers and some other symbols The current cursor position will flash marked by _ 1 Hold down and turn rotary selector at the same time to select another character Release The modified character is saved 2 Turn rotary selector anti clockwise or clockwise to move the cursor 3 Enter a space to delete a character 4 Press to save your entries and leave the menu Menu item Input...

Страница 42: ...s vary depending on the system installed B Hold down and simultaneously turn the rotary selector to change the setting e g BURNER OFF to BURNER ON The change takes effect when you release B Turn rotary selector to change between different displays function test 1 This function has a limited application on boilers with UBA H3 2 Not possible or not available with boilers with UBA1 x or DBA 3 Boilers...

Страница 43: ... as a list The list can be moved up or down by turning rotary selector DIAGNOSIS MONITOR VALUE Other information boiler burner MCM10 cascade Only in conjunction with MCM10 instead of boiler burner boiler1 1 Depending on the boiler used the monitor values are displayed in individual masks Call up the monitor values for the next boiler by turning the rotary selector Symbol present the corresponding ...

Страница 44: ...ocking faults the heating system continues to operate automatically as soon as the fault has been removed plant errors relating to the heating system are logged in the RC35 Exceptions are boiler or burner faults that 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 Flue...

Страница 45: ...the system comprises several heating circuits Turn 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 cannot be shown in one display Turn rotary selector to scroll to the next display 90 DIAG CHAR CURVE HC2 21 targ flow tmp 57 C INFO VERSIONS RC35 1...

Страница 46: ...U SERVICE Menu item Input range Factory setting Other information service 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 01 01 2000 01 01 2000 To set the date hold down and turn rotary selector at the s...

Страница 47: ...d turn rotary selector 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 On boilers with UBA1 x DBA or UBA H3 only all RC35 parameters are reset but not the combustion controller parameters 2 This function is not availab...

Страница 48: ...it 3 FC Fault code HCx Heating circuit with the number x SC FC Events display Effect on control characteristics Possible cause Remedy A01 800 Outside sensor is defect The minimum outside temperature is applied Temperature sensor is incorrectly connected or fitted Breakage or short cir cuit in the sensor lead Temperature sensor is faulty B Check sensor connection and sensor lead B Check sensor moun...

Страница 49: ...r primary pump is working 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 sens...

Страница 50: ...service centre UBA3 MC10 DBA UBA H3 or MCM10 is faulty A01 828 Water pressure sensor is defect Digital water pressure sensor is faulty B Replace the water pressure sensor A02 816 No commu nication 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 emer...

Страница 51: ... Room temperature control therefore not possible for HC RC20 RF has incorrect address B Check the address parameter P1 in RC20 RF RC35 not present or not connected correctly B Check connection to RC35 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 cir cuit in...

Страница 52: ...nfluence for weather compensated control Switching point optimisation In the case of room temperature dependent control the system is regulated to max temperature for HCx Faulty integral temperature sensor on the heating circuit s programming unit remote control unit B Replace the remote control unit A2x 816 No commu nication with operating unit HCx Since the actual room temperature is missing the...

Страница 53: ...e the range of reception 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 prot selected but no rem contr HCx Since the actual room temperature is missing the following cannot function Room inf...

Страница 54: ...ator mixer are running 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 connections on MM10 and BUS cable B Replace MM10 Hxx Service message no plant err...

Страница 55: ...CUT yes no flame current 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 re...

Страница 56: ...e limit 36 DHW circulation 36 DHW priority 27 Diagnosis Service menu 42 Disinfection thermal 36 Display contrast 18 E EMS 7 22 EMS BUS subscribers 22 F Faults Service menu diagnosis 44 Flow temperature 32 Frost 6 Frost protection 34 Function test Service menu diagnosis 42 H Heat storage capacity 24 Heating circuit installing 23 more than one heating circuit 11 Service menu settings 27 Heating curv...

Страница 57: ...r characteristics 8 Service interval setting 46 Service menu introduction 15 Service menu overview of the menus 17 Service messages viewing resetting 46 Service Service menu 46 Set values viewing 43 Setback mode night setback 33 Setback interrupting frost protection 34 Showing the fault memory 44 Shutdown operation 33 Shutting down 22 Single charge LED switching off 36 Solar data Service menu sett...

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

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

Страница 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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