Buderus Logamatic 4323 Operating Instructions Manual
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Buderus Logamatic 4323 Operating Instructions Manual

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Operating Instructions
Logamatic 4323
Control unit
For users
Read carefully before use

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Summary of Contents for Buderus Logamatic 4323

  • Page 1 Operating Instructions Control unit Logamatic 4323 For users Read carefully before use...

  • Page 2: Table Of Contents

    ........45 Logamatic 4323 - Subject to technical modifications.
  • Page 3 ........... . . 78 Logamatic 4323 - Subject to technical modifications.

  • Page 4: Introduction

    Your heating system offers a wealth of further useful functions. Some examples of these are: – the automatic summer/wintertime changeover – the party/pause function – the holiday function – DHW heating at the push of a button Logamatic 4323 - Subject to technical modifications.

  • Page 5: What You Should Know About Your Heating System

    The burner consumes fuel (e.g. gas or oil) and heats the water inside the boiler. Using pumps, this hot water is transported through the domestic pipework to the consumers (radiators, underfloor heating system, etc.). Logamatic 4323 - Subject to technical modifications.
  • Page 6 – the internal heat sources (open fireplace, occupants, lamps, etc.) – closed or open windows Take these factors into consideration to achieve a comfortable room temperature. Fig. 2 Influences on the room climate Logamatic 4323 - Subject to technical modifications.
  • Page 7 The control unit can operate in three control modes: – weather-compensated control – room temperature-dependent control – weather-compensated control with room temperature hook-up Fig. 3 Heating circuit curve (example) x Outside temperature y Flow temperature Logamatic 4323 - Subject to technical modifications.
  • Page 8 With this kind of control you should not fit thermostatic radiator valves in the reference room. Logamatic 4323 - Subject to technical modifications.
  • Page 9 When changing from total shutdown to reduced heating, the total shutdown will be activated subject to outside temperature when the actual outside temperature exceeds the set outside temperature. Logamatic 4323 - Subject to technical modifications.

  • Page 10: Tips On Energy-Efficient Heating

    Only operate the DHW circulation pump via a time switch. Research has shown that it is generally sufficient if the DHW circulation pump is started every 30 minutes for three minutes. Arrange for your installer to service your heating system annually. Logamatic 4323 - Subject to technical modifications.

  • Page 11: Safety

    Only enter or change the operating values detailed in these instructions. Other entries alter the control The Logamatic 4323 control unit is designed to control programs of the heating system and can lead to and monitor heating systems with different types of incorrect system functions.

  • Page 12: Cleaning The Control Unit

    Only clean the control unit with a damp cloth. Disposal Dispose of the control unit packaging in an environmentally responsible manner. The lithium battery in the CM431 module may only be replaced by your installer. Logamatic 4323 - Subject to technical modifications.

  • Page 13: Controls And Mec2 Programming Unit

    3 Slot 3: e.g. FM442 – heating circuit 5, heating circuit 6 4 Slot 4: e.g. FM441 – heating circuit 7 DHW/DHW circulation pump or heating circuit 7, heating circuit 8 (with module FM442 in slot 4) Logamatic 4323 - Subject to technical modifications.

  • Page 14: Mec2 Programming Unit

    Controls and MEC2 programming unit MEC2 programming unit The MEC2 programming unit is the central element, with which you operate your Logamatic 4323 control unit. Display The display ( Fig. 6, [4]) indicates functions and operating values, e.g. the actual room temperature.
  • Page 15 6 Enter the day of the week 14 Summer/wintertime changeover 7 Enter holidays 15 Back to the standard display 8 Select standard display 16 Select a time switch program 17 Select heating circuits/DHW circuit Logamatic 4323 - Subject to technical modifications.

  • Page 16: Switching On The Control Unit

    "0" ( Fig. 8, [1]). When there is a risk: Isolate the heating system from the mains supply with the emergency stop upstream of the boiler room or by removing the fuse. Logamatic 4323 - Subject to technical modifications.

  • Page 17: Standard Functions

    The LED of the "Day mode" key illuminates; day mode is enabled. Set the required room temperature by turning the rotary selector. (NOTE: For this, the programming unit flap must be closed.) The display shows the set value. Set room 21°C Constant day Logamatic 4323 - Subject to technical modifications.

  • Page 18: Permanent Display

    Factory-set permanent display, if the MEC2 is fitted in the control unit. Common flow 45°C Outside temp. 21°C Factory-set permanent display, if the MEC2 is installed as a wall mounted unit. Actual room 19.5°C Outside temp. 0°C Logamatic 4323 - Subject to technical modifications.

  • Page 19: Selecting The Operating Mode

    ( Chapter 6.3.2). You can also use manual mode to heat on cooler days when the system is operating in summer mode. Logamatic 4323 - Subject to technical modifications.
  • Page 20 At fixed times, central heating is provided or the room temperature is set back. 21 °C 17 °C 22:00 05:30 7 747 012 053-18.1RS Fig. 9 Changeover from day and night mode at fixed times (example) 1 Day mode 2 Night mode Logamatic 4323 - Subject to technical modifications.
  • Page 21 (setback mode), and operates at a lower room temperature. Set room 17°C Constant night USER NOTE If you have selected manual mode, other automatic controls will also be switched off, e.g. the summer/wintertime changeover ( Chapter 7.13). Logamatic 4323 - Subject to technical modifications.

  • Page 22: Setting The Room Temperature

    Turn the rotary selector to the required day room temperature (here: "23°C"). The day room temperature is now adjusted to 23 °C. The selected permanent display will then appear again. Set room 23°C Automatic day Logamatic 4323 - Subject to technical modifications.
  • Page 23 The "AUT" LED illuminates; automatic mode is active again. USER NOTE If you are currently in automatic night mode, and you wish to adjust the day mode, proceed as described above, but instead hold down the "Day mode" key. Logamatic 4323 - Subject to technical modifications.

  • Page 24: Heating Domestic Hot Water

    We recommend heating the DHW cylinder once in the morning before central heating begins, and reheating once in the evening if necessary ( Fig. 10). USER NOTE The DHW temperature will have fallen below the set value if the green DHW LED illuminates. Logamatic 4323 - Subject to technical modifications.
  • Page 25 2 seconds. The permanent display will then appear again. 60°C USER NOTE For thermal disinfection, the DHW will be heated to at least 60 °C once or twice per week to kill off possible bacteria (e.g. legionnella). Logamatic 4323 - Subject to technical modifications.
  • Page 26 Subject to the size of the DHW cylinder and the boiler output, DHW will be available after approx. 10 to 30 minutes. With instantaneous water heaters or combination boilers, DHW is available almost immediately. actual 55°C Reheating Logamatic 4323 - Subject to technical modifications.

  • Page 27: Extended Functions

    2 Enter holidays 3 Select standard display 4 Set the time 5 Change temperature values 6 Summer/wintertime changeover 7 Return to the standard display 8 Select a time switch program 9 Select heating circuits/DHW circuit Logamatic 4323 - Subject to technical modifications.

  • Page 28: Controlling The Extended Functions

    Only the operating values of the selected heating circuit, e.g. heating circuit 0, are displayed ( Chapter 7.6). Open flap. Turn the rotary selector clockwise without pressing any other key. Logamatic 4323 - Subject to technical modifications.

  • Page 29: Changing The Permanent Display

    Hold the "Display" key down, and select the required permanent display with the rotary selector (here: "Date"). Release the "Display" key. The selected permanent display has now been saved. Common flow 45°C Date 20.08.2001 Logamatic 4323 - Subject to technical modifications.

  • Page 30: Setting The Date And Time

    The respectively flashing item can be modified with the rotary selector. Setting the time Hold down "Time", and select the required time with the rotary selector. The time is set in one-minute steps. Set time Release "Time" to save your input. 15:52:58 Logamatic 4323 - Subject to technical modifications.

  • Page 31: Selecting A Heating Circuit

    Release the "Heating circuit" key. The displayed heating circuit is now selected. Heat. circ. sel. As soon as heating circuit has been selected, the display returns to the permanent display. Heating circ. 2 Logamatic 4323 - Subject to technical modifications.

  • Page 32: Adjusting The Room Temperature For Another Heating Circuit

    Release the "Heating circuit" key. The displayed heating circuit is now selected. Heat. circ. sel. Heating circ. 2 As soon as heating circuit has been selected, the display returns to the permanent display. Actual room 19.5°C Outside temp. 0°C Logamatic 4323 - Subject to technical modifications.
  • Page 33 USER NOTE For heating circuits with individual remote control units (e.g. BFU), you can adjust the room temperature only via this remote control see the instructions for that remote control unit). Logamatic 4323 - Subject to technical modifications.

  • Page 34: Heating Circuits With Mec2 Programming Unit

    "Time switch Not possible. Single heat circ Time switch select" will appear. Not possible Single heat circ Enter these settings for each heating circuit separately ( Chapter 7.6). select Logamatic 4323 - Subject to technical modifications.

  • Page 35: Selecting And Modifying A Heating Program

    Ask your installer whether this function has been activated. If so, all you need to do is enter the times at which your home should be warm. With the programming unit, Buderus offers eight different, preset heating programs as standard programs.
  • Page 36 "Constant day" mode, and DHW is being heated "by heat. circs". USER NOTE DHW will not be heated if you are operating all heating circuits in the "Constant night" mode and DHW is heated "by heat. circs.". Logamatic 4323 - Subject to technical modifications.

  • Page 37: Selecting A Standard Program

    (here: "Senior program"). Senior program Monday at 05:30 21°C Press "Back" to return to the permanent display. USER NOTE Switching programs are only effective in automatic mode ( Chapter 6.3.1). Logamatic 4323 - Subject to technical modifications.

  • Page 38: Summary Of Standard Programs

    ( Chapter 8.2). This will be saved under "Own" and the number of the heating circuit. Tab. 1 Standard programs ("ON" = day mode, "OFF" = night mode) Logamatic 4323 - Subject to technical modifications.

  • Page 39: Modifying The Standard Program By Moving Switching Points

    Hold down "PROG" and select the required standard program with the rotary selector. Release the "PROG" key. Time switch Program select. Family The first switching point (Monday, 05:30) appears. Family program Monday 21°C at 05:30 Logamatic 4323 - Subject to technical modifications.
  • Page 40 "ON" = day mode, "OFF" = night mode. Ensure that a stop point is associated with every start point. The modified standard program is saved under "Own" and the number of the heating circuit. Logamatic 4323 - Subject to technical modifications.

  • Page 41: Setting The Summer/Wintertime Changeover

    Extended functions 7.13 Setting the summer/wintertime changeover In addition to the outside temperature, your Logamatic 4323 control unit considers the ability of the building to store heat and its thermal insulation (and from this creates the "Adjusted outside temperature", Fig. 15), and after a delay, automatically changes over between summer and winter mode.
  • Page 42 30 °C. The display shows "Constant winter". Summer / Winter Release the "Su/Wi" key to save your input. Your heating system will constantly operate in winter mode. Constant winter Logamatic 4323 - Subject to technical modifications.

  • Page 43: Setting The Dhw Operating Mode

    DHW heating is switched off. Pressing "DHW" switches heating on for the duration of DHW heating once. Press "Night mode" to stop DHW heating. After approx. three seconds, the permanent display will appear again. Logamatic 4323 - Subject to technical modifications.

  • Page 44: Setting The Operating Mode For Dhw Circulation

    The DHW circulation pump will not be controlled. Pressing "DHW" switches the DHW circulation pump on for the duration of DHW heating once. Press "Night mode" to switch off DHW circulation. After approx. three seconds, the permanent display will appear again. Logamatic 4323 - Subject to technical modifications.

  • Page 45: Setting The Holiday Function

    Release the "Holiday" key to save your input. Set room 17°C USER NOTE The "Set room" display only appears if the holiday setback type "Hold room temp" or "Reduced" has been set by the installer. Logamatic 4323 - Subject to technical modifications.
  • Page 46 A separate DHW holiday function can be entered if DHW is heated according to a separate time program ("Program select. own DHW", Chapter 8.3). The DHW circulation pump is switched off automatically during the DHW holiday function. Logamatic 4323 - Subject to technical modifications.

  • Page 47: Interrupting And Continuing The Holiday Function

    You may interrupt the holiday function at any time by pressing "Night mode". 17°C In this case the system heats according to the set night temperature Chapter 6.4). Constant night Continuing the holiday function Press "AUT" to continue the interrupted holiday function. Logamatic 4323 - Subject to technical modifications.

  • Page 48: Setting The Party Function

    3 hours If you want to cancel the pause function, call up the pause function as described above and turn the rotary selector to "0" hours. Logamatic 4323 - Subject to technical modifications.

  • Page 49: Room Temperature Matching

    The display shows the set value. Calibration MEC Release the "Temp" key to save your input. Room temperature Correction 0.5°C Press "Back" to return to the permanent display. The display shows the corrected temperature (22.5 °C). Logamatic 4323 - Subject to technical modifications.

  • Page 50: Automatic Maintenance Message

    The Logamatic telecontrol system enables the maintenance message to be Date transmitted automatically to your mobile, email address or fax machine. required maint. after Hours run required USER NOTE The automatic maintenance message remains active until your installer resets Logamatic 4323 - Subject to technical modifications.

  • Page 51: Additional Programming Options

    13:00 05:30 10:00 23:00 7 747 012 053-14.1RS Fig. 16 Inserting switching points to interrupt a heating phase A "Family program" B New program "Own program 2" 1 Day mode 2 Night mode Logamatic 4323 - Subject to technical modifications.
  • Page 52 "Friday at 10:00" is now set as the new switching point. New switch.point Release "Time" to save your input. Friday at 10:00 ---- Hold "Temp" down, and select the required temperature with the rotary selector (here: "17°C"). Logamatic 4323 - Subject to technical modifications.
  • Page 53 "New switch.point" for the next switching point. To enter the next switching point (e. g. Friday, 13:00, 21 °C), repeat the procedure detailed above. New switch.point -------------- at --- ---- Press "Back" to return to the permanent display. Logamatic 4323 - Subject to technical modifications.
  • Page 54 Turn the rotary selector to the switching point you want to delete (here: "22:00"). The switching point to be deleted is displayed. Family program Monday at 22:00 17°C Simultaneously press and hold "Display" and "Holiday". Logamatic 4323 - Subject to technical modifications.
  • Page 55 Monday You can call up your new program by pressing "Prog" and turning the rotary at 17:00 21°C 21°C at 17:00 selector ( Chapter 7.10). Press "Back" to return to the permanent display. Logamatic 4323 - Subject to technical modifications.
  • Page 56 Chapter 7.10). Example: "Midday program" The first switching point (start point): "Monday at 06:00" at "21°C" will be displayed. The displayed temperature depends on the set room temperature. Midday program Monday at 06:00 21°C Logamatic 4323 - Subject to technical modifications.
  • Page 57 Monday You can call up your new program by pressing "Prog" and turning the rotary at 17:00 at 17:00 21°C 21°C selector ( Chapter 7.10). Press "Back" to return to the permanent display. Logamatic 4323 - Subject to technical modifications.
  • Page 58 The first switching point (start point): "Monday at 06:00" at "21°C" will be displayed. Midday program Monday 21°C at 06:00 Turn the rotary selector to the stop point of the first heating phase you want to connect with another (here: "13:00"). Logamatic 4323 - Subject to technical modifications.
  • Page 59 Own program 2 You can call up your new program by pressing "Prog" and turning the rotary Monday selector ( Chapter 7.10). at 22:00 17°C Press "Back" to return to the permanent display. Logamatic 4323 - Subject to technical modifications.

  • Page 60: Creating A New Heating Program

    Chapter 7.6). Example: Heating circ. 2 Select the standard program "Program select. new" for this heating circuit Chapter 7.10). The display shows the blank mask "New switch.point". New switch.point -------------- ---- at --- Logamatic 4323 - Subject to technical modifications.
  • Page 61 You cannot just enter an arbitrary temperature here. The factory-set day and night setback temperatures are available, which can which can be modified New switch.point Chapter 6.4). Monday-Friday at 05:00 21°C Release the "Temp" key to save your input. Logamatic 4323 - Subject to technical modifications.
  • Page 62 Only after all switching points have been correctly entered, press "Back" to return to the permanent display. Your heating program will now operate according to your "Own program". You can call up your new "Own program" by pressing "Prog" and turning the rotary selector. Logamatic 4323 - Subject to technical modifications.

  • Page 63: Creating A New Dhw Program

    Repeat this process for all required switching points. DHW heating will now operate according to your "Own program DHW". You can call up your new "Own program DHW" by pressing "Prog" and turning the rotary selector ( Chapter 7.6). Logamatic 4323 - Subject to technical modifications.

  • Page 64: Creating A New Dhw Circulation Pump Program

    Repeat this process for all required switching points. Your DHW circulation pump will now operate according to your "Own program CP". You can call up your new "Own program CP" by pressing "Prog" and turning the rotary selector. Logamatic 4323 - Subject to technical modifications.

  • Page 65: Modules And Their Functions

    X = Accessory Along with the ZM433 central module, which is part of The MEC2 preset menus in these operating instructions the standard equipment level of the Logamatic 4323 relate to these modules. control unit, most function modules used, i.e. FM441...

  • Page 66: Zm433 Central Module (Standard Equipment Level)

    MEC2 programming unit. LEDs for the functions Display "Mixer opens" (hotter) Display "Mixer closes" (colder) Display Heating circuit in summer mode Display Feed or heating circuit pump runs Logamatic 4323 - Subject to technical modifications.
  • Page 67 AUT: The heating circuit operates in automatic mode. The heating circuit pump is switched off. The mixer is switched volt-free. The control functions continue to be active. Current functions are indicated by LEDs. Logamatic 4323 - Subject to technical modifications.

  • Page 68: Fm441 Function Module (Accessory)

    Display DHW in night mode below the set temperature Display Heating circuit pump operational Display – L Cylinder primary pump active Display – Z DHW circulation pump active Display Thermal disinfection active Logamatic 4323 - Subject to technical modifications.
  • Page 69 The heating circuit pump or the DHW cylinder primary pump as well as the DHW circulation pump are switched off. The mixer is switched volt-free. The control functions continue to be active. Current functions are indicated by LEDs. Logamatic 4323 - Subject to technical modifications.

  • Page 70: Fm442 Function Module (Accessory)

    AUT: The heating circuit operates in automatic mode. The heating circuit pump is switched off. The mixer is switched volt-free. The control functions continue to be active. Current functions are indicated by LEDs. Logamatic 4323 - Subject to technical modifications.

  • Page 71: Troubleshooting

    Incorrect module slot y – Address Unknown module slot y – DHW Inert anode – DHW Ext. fault input – DHW In manual mode – Substation Too little heat supply – Substation Flow sensor Logamatic 4323 - Subject to technical modifications.

  • Page 72: Simple Troubleshooting

    DHW cool Re-program the switching The switching program is incorrectly set up. program. DHW too cold External heat sources supply insufficient (if DHW is heated by external heat Check heat source. heating energy. source) Logamatic 4323 - Subject to technical modifications.

  • Page 73: Troubleshooting

    Notify your installer. fault Substation Heating circuit x has The external heat source must supply more or sufficient Too little heat supply insufficient supply. A DHW heat. circuit is not being heated. Fault Logamatic 4323 - Subject to technical modifications.

  • Page 74: Operation In The Event Of A Fault

    If the electronics fail, the control unit can operate in emergency mode. In emergency mode, all pumps continue to run and the mixers are volt-free. Mixers can be manually set. In such cases, notify your installer. Logamatic 4323 - Subject to technical modifications.

  • Page 75: Heating With Manual Override

    Inform your installer of the fault message displayed on the MEC2. Manually de-couple the heating circuit mixer and position towards hotter or colder, until the required room temperature has been achieved. Logamatic 4323 - Subject to technical modifications.
  • Page 76 In case of a fault, you can switch off the heating circuit pump by setting the manual switch to , i.e. manual. The boiler is switched to emergency mode, as described in the technical boiler documentation. Logamatic 4323 - Subject to technical modifications.

  • Page 77: Setup Report

    1 = "l.h. side of ground floor". Heating circ. Allocation Heating circ. 0 Heating circ. 1 Heating circ. 2 Heating circ. 3 Heating circ. 4 Heating circ. 5 Heating circ. 6 Heating circ. 7 Heating circ. 8 Logamatic 4323 - Subject to technical modifications.

  • Page 78: Index

    Module equipment level ....65 Modules ..... . 65 Logamatic 4323 - Subject to technical modifications.
  • Page 79 Notes Logamatic 4323 - Subject to technical modifications.
  • Page 80 Unit L40 Cherry Orchard Industrial Estate Cherry Orchard, Dublin 10 Tel.: 01.6305700 Fax.: 01.6305706 / 01.6305715 www.cfquadrant.ie E-mail: sales@cfquadrant.ie In the UK and IE, Buderus is a brand name of Bosch Thermotechnology Ltd. Bosch Thermotechnik GmbH Sophienstrasse 30-32 D-35576 Wetzlar www.buderus.de...

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