Buderus RC35 Installation And Servicing Instructions
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Buderus RC35 Installation And Servicing Instructions

Programming unit
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Installation and
servicing instructions
Programming unit
RC35
For qualified profes-
sionals
Please read carefully
prior to commission-
ing and servicing

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Summary of Contents for Buderus RC35

  • Page 1 Installation and servicing instructions Programming unit For qualified profes- sionals RC35 Please read carefully prior to commission- ing and servicing...

  • Page 2: Table Of Contents

    Operating tips ....... 21 RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 3 Solar data (not with UBA1.x) ..... . . 37 RC35 calibration ......38 Contact data .

  • Page 4: Safety Instructions And Symbols

    The heating system can freeze up in cold weather, if switched off. Leave the heating system permanently switched on. Switch on frost protection. In the event of a fault: remedy the fault immediately. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 5: Explanation Of Symbols

    Serv- ice menu. In the sections which come after it, programming is only explained in outline. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 6: Information About The Product

    Information about the product Information about the product Correct use The RC35 programming unit must only be used to operate and control Buderus heating systems in residential buildings. The boiler must be equipped with EMS (energy management system) or UBA1.x (univer- sal burner control).

  • Page 7: Specifications

    8.060 1.256 25.339 6.535 1.070 19.872 5.331 0.915 15.699 4.372 0.786 12.488 3.606 0.677 10.001 2.989 8.060 Table 2 Resistances of the temperature sensors, for EMS only RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 8: Validity Of These Instructions For Function Modules (Accessories)

    (e.g. RC20/RC20RF) for controlling a particular heating circuit – Outside temperature sensor, external room temperature sensor 1) The use of modules is not possible with boilers with UBA1.x and DBA. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 9: Installation

    (e.g. living room). Fig. 1 Minimum clearances for installation in a reference room RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 10: Installation On Boiler

    Both heating circuits are controlled by one programming unit. Each heating circuit has its own programming unit / remote control unit. 1) Not possible with boilers with UBA1.x and DBA. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 11: Installation And Connection

    Vertical mounting holes for mounting on a flush-mounting box Horizontal mounting holes for mounting on a flush-mounting box “RC” terminals for EMS (boiler) “EXT” terminals for external room temperature sensor or for jumper RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 12: Attaching Or Removing The Programming Unit

    Installation If the RC35 is operated without an external room sensor, a jumper is required on the “EXT”terminals (Fig. 3, 6) (the jumper is factory fitted). If the RC35 is operated with an external room sensor, the factory-fitted jumper on “EXT”...

  • Page 13: Operating Basics

    Go back one step or one menu item. The LED can also be switched off. In the case of boilers with UBA1.x, the LED does not light up at all. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 14: Introduction To The Service Menu

    Turn the rotary selector anti-clockwise until settings is SERVICE MENU selected (marked with quick operation settings diagnosis servicing Table 3 How to use the Service menu (example) RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 15 The default display re-appears. You can enter all settings in the SERVICE MENU using this procedure. Table 3 How to use the Service menu (example) RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 16: Overview Of The Service Menu

    Factory setting Error list Service message Operating hours Table 4 Service menu navigator Boilers with DBA: restricted functionality only. Not possible or not available with boilers with UBA1.x. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 17: Commissioning

    Table 5 General commissioning If necessary, you can change the contrast on the display: Hold down the buttons and turn the rotary selector at the same time. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 18: Checklist: Important Parameters For Commissioning

    This function is not available with boilers with UBA1.x and DBA. Enter the chosen settings in the Setup log (at the end of the operating instructions manual). RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 19: Quick Commissioning (Quick Operation Menu)

    1. Which heating sys- Radiator, convector, For heating characteristics, tem does heating floor see page 31 circuit 1 have? Table 7 Quick operation menu navigator RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 20: Detailed Commissioning

    1) On boilers with UBA1.x and DBA there is no BC10. See the technical documentation for the boiler for information on its mode of operation. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 21: Shut-Down / Switching Off

    Commissioning Shut-down / switching off The RC35 programming unit is supplied with power via the heating system and is perma- nently switched on. It is only switched off if the heating system is switched off, such as for maintenance purposes.

  • Page 22: Entering System Settings (Service Menu - Settings)

    Should the outside temp. Yes, No If Yes, the following parameter delay be switched off? (building type) is not shown. Table 8 Navigator for Service menu SETTINGS \ SYSTEM RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 23: Building Type ("Damping" Of Outside Temperature)

    Factor Light e. g. prefabricated building, wood-frame construction Medium e. g. breeze-block house (factory setting) Heavy e. g. brick house Table 9 Calculating the delay time constant RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 24: Minimum ("Lowest Expected") Outside Temperature

    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. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 25: Boiler Data

    – 1-8: see boiler documentation 1) 2) Table 10 Navigator for Service menu SETTINGS \ BOILER Not possible or not available with boilers with UBA1.x. System-dependent RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 26: Heating Circuit Data

    30°C to 90°C if the control mode has been set to outside temp. controlled (see page 31). Table 11 Navigator for Service menu SETTINGS \ HTG. CIRC. 1 RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 27 Which frost protection 5°C Refers to outside temperature (see temp. should be used? -20°C to +10°C page 33). Table 11 Navigator for Service menu SETTINGS \ HTG. CIRC. 1 RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 28 Direct normal operation, should the flow temp. be every day, every 2nd day to reduced? every 5th day Table 11 Navigator for Service menu SETTINGS \ HTG. CIRC. 1 RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 29 Table 11 Navigator for Service menu SETTINGS \ HTG. CIRC. 1 Not possible or not available for boilers with UBA1.x and DBA. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 30: Assignment Of Programming Unit / Remote Control Unit In The Software

    The greater the parameter set, the greater the influence of the room temperature on the heating characteristics (factory setting: 3 Kelvin). This applies when the room temper- 1) This function is not available with boilers with UBA1.x and DBA. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 31: Heating Characteristics

    The heating characteristic curve can be shifted, up or down, in parallel to the original curve, by adjusting the room temperature offset parameter and/or the set room tem- RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 32: Reduction Modes (Night Setback)

    This must be at least 1 K lower than the daytime target room temperature. The heating characteristics will be calculated in accordance with this setting. This setting is recommended for underfloor heating. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 33: Frost Protection

    – Room temperature (room sensor in the RC35 / RC20) If the room temperature falls below the fixed value of 5°C, the heating circuit pump is switched on automatically. If the room temperature rises above 7°C, the heating circuit pump is switched off automatically.
  • Page 34 If the outside temperature falls below the set value of -15°C, heating switches from reduced operation to heating operation (Fig. 7, 3). This allows smaller heating surfaces to be utilised. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 35: Domestic Hot Water (Dhw)

    Circulation Is circulation pump Yes, No installed? Table 13 Navigator for Service menu SETTINGS \ DHW RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 36 LED. Table 13 Navigator for Service menu SETTINGS \ DHW Not possible or not available for boilers with UBA1.x and DBA. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 37: Solar Data (Not With Uba1.X)

    Table 14 Navigator for Service menu SETTINGS \ SOLAR Not possible or not available for boilers with UBA1.x and DBA. For explanations of the settings, see the documentation for the SM10 solar module. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 38: Rc35 Calibration

    Example: if the thermometer is showing a temperature 0.5°C higher than the programming unit, enter "+0.5 K" as the calibration value. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 39: Contact Data

    2. Turn the rotary selector anti-clockwise or clockwise to move the cursor. 3. To delete a character, enter a space. 4. Press to save your entries and leave the menu. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 40: Diagnosis

    (for function tests). air temperature 32°C flue gas temp. 78°C flame burner 1) Boilers with DBA: restricted functionality only. 2) This function is not available with boilers with UBA1.x. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 41: Monitor Value

    FB = strength of the wireless signal Bus users Table 17 Navigator for the Monitor value menu Not possible or not available for boilers with UBA1.x and DBA. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 42: Error Message

    – Plant errors in the heating system are logged in the RC35, with the exception of faults in the boiler or the burner, which are either "locking type errors" or "blocking type errors".

  • Page 43: Servicing

    The interval can be set to expire either after a given number of operating hours or when a given date is reached. The RC35 programming unit will then show a service message so that the customer can notify you to arrange an appointment.
  • Page 44 Once reset is complete: confirm the new message by pressing any of the buttons. 1) In the case of boilers with UBA1.x and DBA, only all parameters of the RC35 will be reset, not the parameters of the boiler.

  • Page 45: Troubleshooting

    Use only original Buderus parts. Losses caused by the use of parts not supplied by Buderus are excluded from the Buderus warranty.
  • Page 46 Time details are miss- Enter the current time. set. ity for: ing, e.g. due to lengthy power failure. – All switching pro- grams – Fault messages Table 19 Fault table RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 47 Compare resistance values with plied with the Sensor is faulty. the sensor characteristic curve. requested heat quan- tity. Table 19 Fault table RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 48 Heating circuit has not Replace the remote control unit. HCx. work: been registered on – Room influence the RFM20. – Switch point optimi- sation Table 19 Fault table RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 49 EMS operates with room temp. control- trolled if necessary. the last values set on rem.contr. led is set. the remote control HCx. unit. Table 19 Fault table RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 50 Plant errors do not need resetting. Contact your local service engineer or your local Buderus office if you cannot remedy the fault yourself. Other faults are described in the documentation for the particular boiler in use. RC35 programming unit - Technical specifications are subject to change without prior notice.

  • Page 51: Index

    Power failure ....21 Fault memory, viewing ... . 42 RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 52 System handover ....20 Target values, viewing ... . 41 RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 53 Notice RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 54 Notice RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 55 Notice RC35 programming unit - Technical specifications are subject to change without prior notice.
  • Page 56 Buderus Cotswold Way, Warndon Worcester WR4 9SW Tel.: 01905 752794 Fax: 01905 753130 www.buderus.co.uk...

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