Buderus Logamatic EMS RC35 Operating Instructions Manual
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Buderus Logamatic EMS RC35 Operating Instructions Manual

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Operating instructions
Room controller
Logamatic EMS
Programming unit RC35

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Summary of Contents for Buderus Logamatic EMS RC35

  • Page 1 Operating instructions Room controller Logamatic EMS Programming unit RC35...

  • Page 2: Overview Of Controls

    Overview of controls Overview of controls Key to diagram: Flap; pull the recessed grip on the left to open Display Rotary selector for changing values and temperatures or for moving within the menus 6 720 618 477-08.1RS Keys for basic functions: When the LED lights up, “AUT”...

  • Page 3: Table Of Contents

    Table of contents Table of contents Overview of controls ..............2 Guide to instructions .
  • Page 4 Table of contents 5.6.1 Selecting a program ..............32 5.6.2 Viewing the current program .

  • Page 5: Guide To Instructions

    Guide to instructions Guide to instructions These operating instructions contain all information on the function and operation of the Logamatic RC35 programming unit. Introduction to the user menu Chapter 5.1 explains in detail the steps needed for programming all the settings in the user menu. Operation is only briefly dealt with in the following sections.

  • Page 6: Key To Symbols And Safety Instructions

    Key to symbols and safety instructions Key to symbols and safety instructions 1.1 Explanation of symbols Warnings Warnings in this document are framed and identified by a warning triangle printed against a grey background. If there is a risk of electric shock, the exclamation mark in the warning triangle is replaced by a lightning symbol.

  • Page 7: Safety Instructions

    Key to symbols and safety instructions 1.2 Safety instructions Installation and commissioning B Observe these instructions to ensure satisfactory operation. B The appliance must only be installed and commissioned by an authorised installer. Damage through operator error Operator errors can lead to injuries and/or material losses. B Ensure that children never operate this appliance unsupervised or play with it.

  • Page 8: Getting Started

    Getting started Getting started Initial situation: the flap is closed. What do I do ... Operation Display/result B Turn if it is temporarily rotary selector. SET ROOM TEMPERATURE too cool/warm on The current room temperature setting Until next switch this day throughout starts flashing.
  • Page 9 Getting started What do I do ... Operation Display/result B Activate manual day mode: press for one-off heating You have selected outside the usual The LED next to the button lights up. daytime operation. The room temperature times (outside the To end the one-off heating phase: set is: switching...
  • Page 10 Getting started What do I do ... Operation Display/result B Set holiday mode in the user menu to save energy when SET HOLIDAY MODE on holiday? page 40). Room temperature set for holiday mode: to change the Requirement: holiday mode is active. holiday B Turn rotary selector.

  • Page 11: Information About The Appliance

    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 Automation).

  • Page 12: Principles Of Operation

    Principles of operation Principles of operation 4.1 Display The following elements appear on the display of the RC35 programming unit during standard operation: 6 720 618 414-01.1RS Fig. 1 Elements on the display Top information line: standard display (in basic setting: date and time) Large display of room or boiler temperature Bottom status line: displays various operating modes and indicates any error messages or service messages (if present)

  • Page 13: Setting The Operating Mode

    Principles of operation 4.3 Setting the operating mode You can activate the operating mode directly by pressing the specified key. Operating mode Explanation Automatic The switching program is active. The system will switch (recommended setting) over automatically between day mode and night mode at a set time (switching point).

  • Page 14: Changing The Room Temperature Temporarily

    Principles of operation 4.4 Changing the room temperature temporarily Follow this procedure if you only want to change the room temperature up until the next switching point. At the switching point, the system switches over automatically between day and night modes page 31).

  • Page 15: Changing The Room Temperature Permanently

    Principles of operation 4.5 Changing the room temperature permanently NOTE: System damage through frost! If room temperatures are set below 10 °C, rooms may cool down so much that pipes in external walls (for example) may freeze in cold weather. B Set room temperatures higher than 10 °C.

  • Page 16: Setting The Room Temperature For Particular Heating Circuits

    Principles of operation 4.6 Setting the room temperature for particular heating circuits If the heating system comprises several heating circuits ( page 27), you can adjust the room temperature for selected heating circuits with Only heating circuits which are not equipped with an RC2x remote control unit will be displayed. No selection is required if there is only one heating circuit.

  • Page 17: Setting The Date And Time

    Principles of operation 4.7 Setting the date and time Your heating system requires the date and time to operate correctly. The clock keeps running for about 8 hours in the event of a power failure. If a power failure lasts longer than that, the display will indicate that you need to reset the date and time.

  • Page 18: Setting Dhw Functions

    Principles of operation 4.8 Setting DHW functions Risk of scalding through DHW temperatures over 60 °C! WARNING: Risk of scalding! The factory setting for the DHW temperature is 60 °C. There is a risk of scalding at the hot water draw-off points if the temperature is set higher than this and also following thermal disinfection.
  • Page 19 Principles of operation What? What is it for? Operation Heating up DHW once You can see by the lighting-up of the LED of the button, that the DHW temperature has fallen To save energy, during day mode DHW is below the set value only reheated automatically when its B To heat up the DHW manually: press temperature falls 5 °C below the set DHW...

  • Page 20: Viewing Information (Info Menu)

    Principles of operation 4.9 Viewing information (Info menu) You can use the INFO menu to view set and recorded values. The exact information available depends on the components installed in your heating system. Operation Result Open the flap (by pulling the recessed grip on the left). Press to open the INFO menu.
  • Page 21 Principles of operation Graph displays in the INFO menu (outside temperature variation and solar gain) The INFO menu gives you the option of, for example, viewing graphs showing the variation in outside temperature over the past two days and (if solar components are installed) the solar gain. This way you have a clear overview allowing easy comparison of the relevant values.

  • Page 22: Messages On The Display

    Principles of operation Saving data If the power supply is interrupted, the RC35 programming unit saves the solar gain data for as long as the time buffer lasts. If the interruption lasts longer, the records are set to zero and they start from new.

  • Page 23: Operation With The User Menu

    Operation with the user menu Operation with the user menu 5.1 Introduction to the user menu The user menu allows you to make specific settings. The procedure for operation is always the same: 1. Open the flap (by pulling the recessed grip on the left). 2.
  • Page 24 Operation with the user menu Operation Result Press the button to confirm the selection. USER\OPERATING MODE The USER\OPERATING MODE menu is opened. heating circuit 1 heating circuit 2 The appearance of the display depends on the number of heating circuit 3 domestic hot water heating circuits.

  • Page 25: Overview Of The User Menu

    Operation with the user menu Operation Result Press to go back one step. -or- To finish making settings: press several times or close the flap. The standard display reappears. You can enter all settings in the USER MENU using this procedure. Table 9 How to use the user menu (example) 5.2 Overview of the user menu...

  • Page 26: Selecting A Heating Circuit

    Operation with the user menu 5.3 Selecting a heating circuit If your heating system is equipped with more than one heating circuit: prior to making some adjustments, you will need to select the heating circuits(s) to which the settings should apply. Only the heating circuits that are actually installed will be displayed: Heating circuit selection...
  • Page 27 Operation with the user menu What is a heating circuit? A heating circuit describes the circuit taken by the heating water from the boiler to the radiators and back again. Multiple heating circuits can be connected to one boiler; for example, one heating circuit for radiators and another heating circuit for underfloor heating.
  • Page 28 Operation with the user menu Designations of the heating circuits in the example in Fig. 2 When you make adjustments to a particular heating circuit, first select the appropriate heating circuit. A list of designations as shown in table 12 is available for selection. If the heating specialist has set this accordingly, different temperatures in the heating circuits are possible ( Tab.

  • Page 29: Setting Standard Display

    Operation with the user menu 5.4 Setting standard display This menu item can be used to select the default value to be displayed in the upper row of the display screen (permanent display). 1. Open the user menu. 2. Select standard display. You can choose from the following standard displays: –...

  • Page 30: Operating Modes For Dhw

    Operation with the user menu 5.5.2 Operating modes for DHW You can set one of the following operating modes for DHW heating: • Automatic (switching program). This can be either the switching program for central heating or a specific DHW program ( page 38).

  • Page 31: Setting The Switching Program

    Operation with the user menu 5.6 Setting the switching program Automatic mode ensures automatic changeover between day and night mode at defined times. In the basic setting either 21 °C or 17 °C are set for day or night mode. Before you select a switching program (i.e.

  • Page 32: Selecting A Program

    Operation with the user menu 5.6.1 Selecting a program Here you can select and activate a switching program. This can be one of the pre-set ( Tab. 13, page 33) standard programs or a new standard program which you have created or changed. You can save and later select two new or modified switching programs as user defined 1 or user defined 2.
  • Page 33 Operation with the user menu Start and stop points in the standard programs Program Family Mon-Thurs 5:30 22:00 (basic setting) 5:30 23:00 6:30 23:30 7:00 22:00 Early morning Mon-Thurs 4:30 22:00 (early shift work) 4:30 23:00 6:30 23:30 7:00 22:00 Evening Mon-Fri 6:30...

  • Page 34: Viewing The Current Program

    Operation with the user menu 5.6.2 Viewing the current program You can use display curr. prog. to view the currently set switching program in the form of a graph Fig. 3). • The graph always shows the switching program for one day or block of days. •...

  • Page 35: Entering A Switching Point

    Operation with the user menu 3. If desired: hold the button pressed down and turn the rotary selector to change this switching point to a switch-on or switch-off point. 4. Repeat steps 1 to 3 to change other switching points. 5.

  • Page 36: Deleting A Switching Point

    Operation with the user menu If you have changed the program and then do not press any button for five minutes, the system assumes you have finished making entries and goes on to the next step. 7. Hold the button pressed down and turn the rotary selector to save the changed or new program as User defined1 or User defined2.

  • Page 37: Setting Room Temperatures

    Operation with the user menu 5.6.6 Setting room temperatures The room temperatures menu item is only available for heating circuits without a remote control unit (the first case below). In the other two cases, the room temperatures menu item is not displayed.

  • Page 38: Setting A Dhw Program

    Operation with the user menu 5.7 Setting a DHW program In the setting for After heating circuits (basic setting) the DHW switch-on and switch-off times are based on the switching program selected. This ensures that hot water is available during the heating phases (i.e.

  • Page 39: Setting The Switchover Threshold For Summer/Winter Mode

    Operation with the user menu 5.9 Setting the switchover threshold for summer/winter mode Requirements: an outside temperature sensor must be fitted. The heating system is controlled by the outside temperature (with or without influence of room temperature page 47). In the case of room temperature control, the sum./win.

  • Page 40: Setting The Domestic Hot Water Temperature

    Operation with the user menu Should the official details for the changeover change, adjust the summer/wintertime changeover to no. B Change the time manually. 5.11 Setting the domestic hot water temperature The DHW temperature is the temperature to which the water in the DHW cylinder is heated. WARNING: Risk of scalding! The factory setting for the DHW temperature is 60 °C.
  • Page 41 Operation with the user menu – Individual heating circuits: only heating circuits which are not assigned to the RC35 will be displayed; in other words, those which have their own remote control unit or which have no remote control unit. 4.
  • Page 42 Operation with the user menu Domestic hot water (DHW) DHW circulation pump (CP) DHW program according to Separate heating program as circuits and no program per heating separate DHW (page 38) and Separate circuits own WW- CP program no separate DHW CP Holiday (factory...

  • Page 43: Setting The Party Function

    Operation with the user menu 5.13 Setting the party function You can use the party function (extension of period of use) to postpone the time when your heating system normally switches to night mode (as defined in the switching program) to a later time. This means your home will be heated for longer in day mode (continuous heating) if you want to stay up later than usual in the evening.

  • Page 44: Setting Thermal Disinfection

    Operation with the user menu Instead of making the setting via the user menu, you can use the following shortcut: B Press and hold down B Open flap. B Simultaneously turn the rotary selector to set the number of hours (0 to 99). 5.15 Setting thermal disinfection If this function is activated, DHW is heated once a week or once a day to a temperature sufficient...

  • Page 45: Setting The Preheating Phase For A Loganova Gas Heat Pump

    Operation with the user menu A thermometer may indicate temperature fluctuations more slowly or rapidly than the programming unit. B Therefore, never calibrate the programming unit during phases when the heating system is cooling down or heating up. 1. Open the user menu. 2.
  • Page 46 Operation with the user menu Depending on the specified operating conditions of the system and on the set energy price ratio, the system decides whether and to what extent the heat pump or the boiler covers the heat demand of the heating system. So that the maximum efficiency in the operation of the heating system, as well as the greatest possible cost saving, can be achieved, it is recommended that the correct energy price ratio is set according to the current energy prices.

  • Page 47: Information On Setting The Programming Unit

    Information on setting the programming unit Information on setting the programming unit 6.1 Control modes for heating control The heating system can be operated in three control modes. Depending on your requirements, your heating contractor will select and set up one of these options: •...

  • Page 48: Tips For Energy Efficiency

    Information on setting the programming unit 6.2 Tips for energy efficiency • You can save around 6% on your heating costs by reducing the daytime room temperature by 1 °C. • Only heat if you need warmth. Use the switching programs for automatic night setback.

  • Page 49: Troubleshooting

    Troubleshooting Troubleshooting This chapter deals with frequently asked questions about your heating system. This will in many cases enable you to eliminate suspected faults. At the end of the chapter you will find a table listing faults and corresponding remedies. 7.1 Frequently asked questions Why do I set a room temperature, even though it is not recorded? When you set the room temperature, although the room temperature with outside temperature...
  • Page 50 Troubleshooting Why does the pump run at night, even though the home is not being heated at all or only very little? This depends on the setting chosen by your heating contractor for night setback. • Reduced operation: The pump still runs even if the home is only being heated a little to achieve a low room temperature.

  • Page 51: Fault Messages And Service Messages

    Troubleshooting 7.2 Fault messages and service messages The RC35 programming unit differentiates between three types of messages: • Faults (in boiler operation) • System errors (incorrect settings in the programming unit or faults in components) • Service messages (indicating that some maintenance work is required) Faults The display shows the following message: Your system has a malfunction.
  • Page 52 Troubleshooting Plant errors and service messages The display shows please open cover in the bottom row on the display. The heating system stays operational for as long as possible; in other words, central heating can continue. 1. Open the flap (by pulling the recessed grip on the left). 2.

  • Page 53: Clearing Faults (Reset)

    Troubleshooting Code Display Cause Remedy B Make arrangements to have please open cover Maintenance is required. the system serviced by your The heating system remains heating contractor. operational for as long as possible. Water pressure too The water pressure in the This is the only service message low.

  • Page 54: Setup Report

    Setup report Setup report The setup report is to be completed by your heating contractor during commissioning and is for your information. Allocation of heating circuits: Remote programmer Area of dwelling (examples: (RC35, RC2x, RC20/RF, ground floor, granny flat) none Heating circuit 1 Heating circuit 2 Heating circuit 3...
  • Page 55 Setup report Important settings for your heating system: Setting options Adjustments Reduction mode Outdoor setback mode, room setback (night setback) mode, shutdown mode, reduced operation Control function ( page 47) outside temperature control (without/ with room influence), room temperature compensated control. Heating curve Design temperature: Minimum outside temperature:...

  • Page 56: User Overview Of Rc35

    User overview of RC35 User overview of RC35 Logamatic EMS – 6 720 801 386 2011/05...

  • Page 57: Index

    Index Index Holiday mode ....... 40 – Holiday temperature ......9 –...
  • Page 58 Index - different ones in heating circuits ... . . 28 - Differing display ......49 User menu - Set for particular heating circuits .
  • Page 59 Notes Logamatic EMS – 6 720 801 386 2011/05...
  • Page 60 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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