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Standard functions

6

Logamatic 4211 - Subject to technical modifications.

18

Subject to the way your heating contractor has configured your system, one or
more MEC2 displays may not appear, although the above modules are fitted in
your control unit.

Detailed descriptions of MEC2 displays for other modules are included in the
corresponding module documentation.

6.2

Permanent display

There are two different permanent displays. Either one of the factory-set
permanent displays is shown, subject to whether the MEC2 is fitted in the control
unit or is installed as a wall mounted unit.

Factory-set permanent display, if the MEC2 is fitted in the control unit.

Factory-set permanent display, if the MEC2 is installed as a wall mounted unit.

6.3

Selecting the operating mode

You can operate the MEC2 programming unit in two ways:

–

In automatic mode

–

In manual mode

Automatic mode

Generally, homes are heated less at night than during the day. With the MEC2
programming unit you don't need to adjust the thermostatic radiator valves
before bedtime or in the morning. The automatic changeover of the MEC2
programming unit does this for you. It changes over between day mode
(standard mode) and night mode (setback mode).

The times at which your heating system changes from day to night mode – and
vice-versa – are factory-set via standard programs (

Æ

Chapter 7.10). However,

you or your heating contractor can modify these settings (

Æ

Chapter 7.12).

Manual mode

For example, if you want to heat longer in the evening or not quite as early in the
morning, you can also select day and night mode manually (

Æ

Chapter 6.3.2).

You can also use manual mode to heat on cooler days when the system
operates in summer mode.

Common flow

Outside temp.

21°C

45°C

Actual room

Outside temp.

0°C

19.5°C

Tag

Zeit

Temp

Urlaub

Auswahl

So/Wi

Anzeige

Heizkreis

Zurück

AUT

AUT

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...
16
17
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19
20
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Содержание Logamatic 4211

Страница 1: ...Operating instructions Control unit Logamatic 4211 7 747 016 927 03 2008 GB IE For users Read carefully before use ...

Страница 2: ... 6 3 Selecting the operating mode 18 6 4 Setting the room temperature 20 6 5 Heating DHW 22 7 Extended functions 25 7 1 Keys for extended functions 25 7 2 Controlling the extended functions 26 7 3 Displaying operating values 26 7 4 Changing the permanent display 27 7 5 Setting the date and time 28 7 6 Selecting a heating circuit 30 7 7 Adjusting the room temperature for another heating circuit 31 ...

Страница 3: ...by inserting deleting switching points 50 8 2 Creating a new heating program 59 8 3 Creating a new DHW program 62 8 4 Creating a new DHW circulation pump program 63 9 Modules and their functions 64 9 1 ZM422 central module standard equipment level 65 9 2 FM442 function module accessory 67 10 Boiler flue gas test 68 11 Troubleshooting 69 11 1 Simple troubleshooting 70 11 2 Troubleshooting 71 12 Ope...

Страница 4: ... unit which is regulated by the MEC2 programming unit is set up at the factory for immediate use Naturally you or your heating contractor can modify these default settings and adapt them to your individual requirements The MEC2 programming unit is the central control unit Some functions which you may need are located behind a flap The keys behind this flap enable you to make various adjustments Th...

Страница 5: ...ons offered by your heating system the greater the benefit you will be able to draw from it How does your heating system work Your heating system comprises the boiler with burner heating control unit pipework and radiators A DHW cylinder or an instantaneous water heater heats the water required for a shower bath or washing your hands Subject to the way your heating system has been installed it can...

Страница 6: ...radiators are supplied with the same flow temperature The heat transferred to the room depends on the radiator surface and the heating water throughput Therefore the heat transfer can be manipulated via the thermostatic radiator valves What determines the heat demand of a room The heat demand of a room largely depends on the following factors Outside temperature Required room temperature Type of c...

Страница 7: ...iables that influence the room temperature and compensates for these What does the control unit calculate Advanced control units calculate the temperature required within the boiler the so called flow temperature subject to the outside temperature The relationship between the outside temperature and the flow temperature is described as the heating curve The lower the outside temperature the higher...

Страница 8: ...open fireplace Now the control unit thinks that it is as hot in every room as in the reference room consequently the boiler output will be severely reduced so that for example the north facing rooms will become too cold With this kind of control you always need to keep all thermostatic radiator valves in the reference room fully open Weather compensated control with room temperature hook up Weathe...

Страница 9: ...d subject to room temperature when the actual room temperature exceeds the set room temperature This function is only possible if a room temperature is being monitored When changing from total shutdown to reduced heating total shutdown is activated subject to outside temperature when the actual outside temperature exceeds the set outside temperature What are heating circuits A heating circuit desc...

Страница 10: ...ce 50 cm Otherwise the heated air cannot circulate and heat the room adequately z In rooms you occupy during the day you can for example set a room temperature of 21 C whilst 17 C may be sufficient at night To achieve this use standard heating mode day mode and setback mode night mode Æ Chapter 6 z Never overheat rooms overheated rooms are unhealthy plus they waste money and energy If you reduce t...

Страница 11: ...roduct conform to European Directives and the supplementary national requirements Its conformity is demonstrated by the CE designation You can view the Declaration of Conformity on the internet at www buderus de konfo or request a copy from your local Buderus sales office WARNING RISK TO LIFE Identifies possible risks associated with a product that might lead to serious injury or death if appropri...

Страница 12: ... to 70 C start Tuesday night at 01 00 z If required e g shift work your heating contractor can alter the start time z During this time never open any hot water tap without mixing in cold water if the DHW circuit of your heating system is not equipped with a thermostatic mixer z As there is a risk of scalding at temperatures above approximately 60 C ask your heating contractor about the set DHW tem...

Страница 13: ...vered condition 1 High limit safety cut out 2 Boiler water thermostat 3 Fuse F1 4 Connection for external service equipment and MEC2 5 Burner emergency operation switch 6 ON OFF switch Fig 5 Fitted modules 1 Slot 1 e g FM442 heating circuit 1 heating circuit 2 A Slot A ZM422 heating circuit 0 boiler DHW B Slot B MEC2 CM431 MEC2 programming unit 2 Slot 2 e g FM442 heating circuit 3 heating circuit ...

Страница 14: ...lector The new value will be accepted and saved after you release the key You can reach certain functions such as day room temperature night room temperature and possibly the DHW temperature or automatic heating mode directly via the corresponding keys Æ Fig 6 1 to 3 and 6 Behind a flap Æ Fig 6 7 further keys are available for additional settings e g for the entry of weekdays or setting the time T...

Страница 15: ...ing mode 4 Automatic heating mode in acc with a time switch 5 Constant setback mode 6 Enter the day of the week 7 Enter holidays 8 Select standard display 9 Radio clock signal only within Germany 10 Display for set room temperature 11 Enter DHW temperature reheating 12 Set the time 13 Change temperature values 14 Summer winter time adjustment 15 Back to the standard display 16 Select a time switch...

Страница 16: ...tting the ON OFF switch to I Æ Fig 8 1 After approximately 2 minutes all modules fitted to the control unit are recognised and the standard display is shown 5 4 Switching off the control unit z Switch the control unit OFF by setting the ON OFF switch to 0 Æ Fig 8 1 z When there is a risk Isolate the heating system from the mains supply with the emergency stop switch upstream of the boiler room or ...

Страница 17: ...ess Day mode to select the standard heating mode day mode The LED of the Day mode key illuminates day mode is enabled Set the required room temperature by turning the rotary selector Condition For this the programming unit flap must be closed The display shows the set value Tag Zeit Temp Urlaub Auswahl So Wi Anzeige Heizkreis Zurück AUT AUT Set room Constant day 21 C USER INFORMATION If your heati...

Страница 18: ...n two ways In automatic mode In manual mode Automatic mode Generally homes are heated less at night than during the day With the MEC2 programming unit you don t need to adjust the thermostatic radiator valves before bedtime or in the morning The automatic changeover of the MEC2 programming unit does this for you It changes over between day mode standard mode and night mode setback mode The times a...

Страница 19: ...re is set back 6 3 2 Selecting manual mode Press either Day mode or Night mode to change to manual mode Press Day mode The Day mode LED illuminates Now your heating system is in constant day mode standard mode Press Night mode The Night mode LED illuminates Your heating system is now in constant night mode setback mode and operates at a lower room temperature AUT Set room Automatic day 21 C Fig 9 ...

Страница 20: ... night room temperature is 17 C Any adjustment applies to all heating circuits assigned to the MEC2 programming unit Æ Chapter 7 7 6 4 1 For the current operating mode You are currently in automatic Day mode and would like to alter the room temperature Condition For this the programming unit flap must be closed Turn the rotary selector to the required day room temperature here 23 C The day room te...

Страница 21: ...t temperature Hold down Night mode and select the required night room temperature with the rotary selector here 16 C Release Night mode key The night setback temperature is now adjusted to 16 C The selected permanent display will then appear again Press AUT The AUT LED illuminates automatic mode is re enabled Set room Constant night 16 C AUT USER INFORMATION If you are currently in automatic Night...

Страница 22: ...stopped outside the programmed times i e DHW is not heated in night mode DHW heating is factory set to 60 C in automatic mode We recommend heating the DHW cylinder once in the morning before central heating begins and reheating once in the evening if necessary see Æ Fig 10 Tag Zeit Temp Urlaub Auswahl So Wi Anzeige Heizkreis Zurück AUT Fig 10 Example DHW heating 1 Day mode 2 Night mode 3 OFF 7 747...

Страница 23: ...DING from hot water The DHW cylinder temperature is preset to 60 C There is a risk of scalding from hot water if your heating contractor has set the DHW temperature higher or has enabled the Therm disinfect function and the heating water circuit of your heating system is not equipped with a thermostatically controlled mixer Please note that fittings can also get very hot z In such cases only ever ...

Страница 24: ...he cylinder Should you require a larger amount of DHW proceed as follows Press DHW The DHW LED flashes and heating DHW once commences Subject to the size of the DHW cylinder and the boiler output DHW will be available after approximately 10 to 30 minutes With instantaneous water heaters or combination boilers DHW is available almost immediately DHW Reheating actual 55 C ...

Страница 25: ...he date Set heating circuits Select a heating program Set the room temperature for additional heating circuits The keys for the extended functions are located behind the flap of the MEC2 programming unit 7 1 Keys for extended functions Fig 11 Keys for the extended functions 1 Enter the day of the week 2 Enter holidays 3 Select standard display 4 Set the time 5 Change temperature values 6 Summer wi...

Страница 26: ...control the various operating values of the boiler the selected heating circuit and the system Only the operating values of the selected heating circuit e g heating circuit 0 are displayed Æ Chapter 7 6 z Open flap Turn the rotary selector clockwise without pressing any other key Subject to the modules various of the following operating displays can be called up Burner and Hours run Actual heating...

Страница 27: ...unit The following permanent displays are available Common flow if MEC2 is installed as a wall mounted unit Outside temp DHW Time Date Only if DHW is installed Hold the Display key down and select the required permanent display with the rotary selector here Date Release Display key The selected permanent display has now been saved AUT Common flow Date 20 08 2001 45 C ...

Страница 28: ...s high rise buildings etc The distance from sources of interference such as computer monitors and TV sets should be at least 1 5 m The radio reception tends to be better at night than during the day You can manually adjust the date and time on the MEC2 if the radio clock signal is not available in your area USER INFORMATION Date and time are preset at the factory This function is safeguarded throu...

Страница 29: ... set the date for the day using the rotary selector here 20 Release Weekday to save your input Press Weekday again to re enter the month Press Weekday again to enter the year The item flashing 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 Release Time to save your input Set date Mon...

Страница 30: ...t level of your heating system the following heating circuits can be selected MEC2 heating circuits all heating circuits assigned to the MEC2 Æ Chapter 7 8 Heating circuit 0 8 DHW DHW circulation z Open flap Hold down Heating circuit and select the required heating circuit with the rotary selector here Heating circ 2 Release Heating circuit key The displayed heating circuit is now selected As soon...

Страница 31: ...heating circuits assigned to the MEC2 Æ Chapter 7 8 Heating circuit 0 8 If several heating circuits are assigned to the MEC2 the temperature for these heating circuits can only be adjusted for all Otherwise a fault message Setting Not possible MEC heat circ select will appear In such cases select MEC heat circ z Open flap Hold down Heating circuit and select the required heating circuit with the r...

Страница 32: ...r input The day room temperature is now adjusted to 21 C The selected permanent display will then appear again Set room Automatic day 21 C USER INFORMATION If you want to adjust the temperature for an operating mode that is not the current mode first select the corresponding operating mode e g with the Night mode key After modifying the temperature reset the operating mode to the previous setting ...

Страница 33: ... and you want to make one of the above adjustments the fault message Setting Not possible MEC heat circ select will appear Select MEC heat circ to program these settings Æ Chapter 7 6 Individual heating circuits The following adjustments can only be implemented for each individual heating circuit separately Selecting the standard program Modifying the standard program by moving switching points In...

Страница 34: ...heating system takes to heat up individual rooms may vary This will be subject to the outside temperature the building insulation and the room temperature setback The Optimisation function of the programming unit calculates the various heat up times Ask your heating contractor whether this function has been enabled If so all you need to do is enter the times at which your home should be warm With ...

Страница 35: ...u may at short notice heat DHW with the DHW heating once function Æ Chapter 6 5 2 Fig 13 DHW heating begins 30 minutes before day mode of the first heating circuit and ends with the beginning of night mode of the last heating circuit A Heating circ 1 B Heating circ 2 C DHW 1 Day mode 2 Night mode 7 747 012 053 19 1RS 1 2 06 30 23 00 1 2 06 00 A B 1 2 05 30 23 00 C 30 min 22 00 USER INFORMATION DHW...

Страница 36: ...eating circuit Æ Chapter 7 6 Hold down PROG Initially the heating circuit is displayed for which you want to select a standard program Approximately 2 seconds later the designation of the currently selected standard program will appear Select the required standard program with the rotary selector here Seniors Release PROG key The displayed program is now selected The display shows the program desi...

Страница 37: ...0 12 00 22 00 23 00 Afternoon Part time work in the afternoon Mo Th Fr Sa Su 06 00 06 00 06 30 07 00 11 30 11 30 23 30 22 00 16 00 15 00 22 00 23 00 Noon Noon at home Mo Th Fr Sa Su 06 00 06 00 06 00 07 00 08 00 08 00 23 00 22 00 11 30 11 30 13 00 23 00 17 00 22 00 Single Mo Th Fr Sa Su 06 00 06 00 07 00 08 00 08 00 08 00 23 30 22 00 16 00 15 00 22 00 23 00 Seniors Mo Su 05 30 22 00 New You can en...

Страница 38: ...e shows how the switching points of the standard program Family can be changed for the days Monday to Thursday z Open flap z Select a heating circuit here Heating circ 2 Æ Chapter 7 6 Hold down PROG and select the required standard program with the rotary selector Release PROG key The first switching point Monday 05 30 appears Hold down Time and select the required time with the rotary selector Ex...

Страница 39: ...e for the OFF switching point is saved Next switching point Continue to turn the rotary selector until the next switching point is displayed The next switching point Tuesday 05 30 appears Also change the following switching points to 06 30 and 23 00 The system will now heat from 06 30 to 23 00 Monday to Thursday Press Back to return to the permanent display The modified standard program is saved u...

Страница 40: ...th symbol DHW heating remains operational Press Day mode if you want to heat at short notice in summer mode The heating system returns to automatic summer mode if you press AUT Winter mode DHW and central heating are operational if the Adjusted outside temperature falls below the factory set changeover threshold of 17 C Setting the automatic summer winter time adjustment Select the required heatin...

Страница 41: ...play briefly shows the heating circuit Then turn the rotary selector to a changeover temperature below 10 C The display shows Constant summer Release Su Wi key to save your input Your heating system will constantly operate in summer mode Setting up constant winter mode z Select a heating circuit Æ Chapter 7 6 Example Heating circ 2 Hold down Su Wi The display briefly shows the heating circuit Then...

Страница 42: ...roximately three seconds the permanent display will appear again Automatic 30 minutes before the first heating circuit is started the boiler heats the DHW cylinder to the set temperature and stops when the last heating circuit is switched off factory setting Alternatively you can enter your own DHW program Æ Chapter 8 3 Press Automatic to select automatic mode After approximately three seconds the...

Страница 43: ...n pump will operate at the set interval i e independently of the heating circuits Press Day mode to select constant operation After approximately three seconds the permanent display will appear again Automatic 30 minutes before the first heating circuit is started the DHW circulation pump starts to run at the set interval and stops when the last heating circuit is switched off factory setting Alte...

Страница 44: ...ct the required number of days with the rotary selector here 5 The display shows 5 Release Holiday key to save your input Hold Temp down and select the required temperature with the rotary selector here 12 C The display shows 12 C Release Temp key to save your input The holiday function is enabled immediately after entry USER NOTE As the holiday function is enabled immediately after completing you...

Страница 45: ...switched off automatically if DHW is heated subject to the heating circuits Program select by heat circs Æ Chapter 8 3 and all heating circuits are set to holiday mode You cannot enter a separate DHW holiday function USER INFORMATION A separate DHW holiday function can be entered if DHW is produced according to a separate time program Program select own DHW Æ Chapter 8 3 The DHW circulation pump i...

Страница 46: ... holiday function any time by pressing Day mode In this case the system heats according to the set room temperature Æ Chapter 6 4 Continuing the holiday function Press AUT to continue the interrupted holiday function Interrupting the holiday function Press Night mode The display shows Constant night You may interrupt the holiday function at any time by pressing Night mode In this case the system h...

Страница 47: ... cancel the party function call up party function as described above and turn the rotary selector to 0 7 19 Setting the pause function This function only applies to heating circuits to which the MEC2 has been assigned as a remote control unit MEC heat circ All heating circuits without an MEC2 continue to operate normally Enter the length of time the system should heat to the preset room temperatur...

Страница 48: ...rn the rotary selector to the required value here 0 5 C The display shows the set value Release Temp key to save your input Press Back to return to the permanent display The display shows the corrected temperature 22 5 C USER INFORMATION This function is only available if the MEC2 is fitted within the living space If the room temperature shown on the display varies from the actual temperature meas...

Страница 49: ...flap Turn the rotary selector You will see either maint after Date required or maint after Hours run required z Notify your heating contractor to schedule the inspection and maintenance work Where fitted the Logamatic telecontrol system enables the maintenance message to be transmitted automatically to your mobile PC or fax machine Note Maint message Note maint message maint after required Date ma...

Страница 50: ...ces 8 1 Modifying the standard program by inserting deleting switching points 8 1 1 Inserting switching points You can interrupt heating phases by inserting switching points details Weekday time temperature into an existing heating program Example The standard Family program provides constant heating on Fridays from 05 30 until 23 00 Insert two new switching points if for example you do not want t...

Страница 51: ...the new switching point Hold down Weekday and turn the rotary selector to the required day here Friday You can select days individually or in blocks Monday Thursday Monday Friday Saturday Sunday Monday Sunday Release Weekday to save your input Hold Time down and select the required time with the rotary selector here 10 00 Friday at 10 00 is now set as the new switching point Release Time to save y...

Страница 52: ...temperature here Only the factory set day and night temperatures are available which you can however modify yourself Æ Chapter 6 4 USER INFORMATION Only after all three details day time temperature have been defined for the new switching point will it be automatically saved under Own program and the heating circuit number here 2 The saving process is not shown on the display The display shows the ...

Страница 53: ...2 z Select the standard program for the chosen heating circuit Æ Chapter 7 10 Example Family program The first switching point start point Monday at 05 30 at 21 C will be displayed Turn the rotary selector to the switching point you want to delete here 22 00 The switching point to be deleted is displayed Simultaneously press and hold Holiday and Display AUT Fig 17 Deleting a switching point A Fami...

Страница 54: ...e keys prematurely Simultaneously release Holiday and Display to save your input The display shows the next switching point The new program that has been modified by the deletion is saved under Own program and the relevant heating circuit number here 2 You can call up your new program by pressing Prog and turning the rotary selector Æ Chapter 7 10 Press Back to return to the permanent display Fami...

Страница 55: ...odified program will be saved under the program name Own and the number of the heating circuit z Select a heating circuit Æ Chapter 7 6 Example Heating circ 2 z Select the standard program for the chosen heating circuit Æ 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 ...

Страница 56: ...has been deleted when no blocks are left The deleting process will be terminated if you release the Time key prematurely or turn the rotary selector back In this case all switching points for the heating phase remain active Release Time to save your input The display shows the next switching point The new program that has been modified by the deletion is saved under Own program and the relevant he...

Страница 57: ...e saved under the program name Own and the number of the heating circuit z Select a heating circuit Æ Chapter 7 6 Example Heating circ 2 z Select the standard program for the chosen heating circuit Æ Chapter 7 10 here Midday program The first switching point start point Monday at 06 00 at 21 C will be displayed Turn the rotary selector to the stop point of the first heating phase you want to conne...

Страница 58: ... second intervals from left to right When no blocks are left both heating phases have been combined The deleting process will be terminated if you release the Time key prematurely or turn the rotary selector back In this case all switching points for the heating phase remain active Release Time to save your input The new program that has been modified by the connection process is saved under Own p...

Страница 59: ...mprises three details Weekday time and temperature The newly created program will be saved under Own program and the relevant heating circuit number Example Monday Friday from 05 00 21 C from 21 00 17 C Saturday Sunday from 09 30 21 C from 23 30 17 C AUT Fig 20 New heating program A New heating program Own program 2 Monday Friday B Saturday Sunday 1 Day mode 2 Night mode 05 00 21 00 1 2 A 09 30 23...

Страница 60: ...ct the required day or block with the rotary selector here Monday Friday Release Weekday to save your input Hold Time down and select the required time with the rotary selector here 05 00 The display shows the new switching point Release Time to save your input Hold Temp down and select the required temperature with the rotary selector here 21 C You cannot freely enter any temperature here Only th...

Страница 61: ...next switching point z Enter the second switching point Monday Friday 21 00 17 C z Enter the third switching point Saturday Sunday 09 30 21 C z Enter the fourth switching point Saturday Sunday 23 30 17 C To enter the second to fourth switching points you only need to repeat the previous steps Only after all switching points have been correctly entered press Back to return to the permanent display ...

Страница 62: ...ng point z Enter the switching points Æ Chapter 8 2 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 Æ Chapter 7 6 USER INFORMATION With the factory setting Program select by heat circs DHW heating begins 30 minutes prior to the first switching point of all heating circuits associated with this ...

Страница 63: ... switch point for the new switching point z Enter the switching points Æ Chapter 8 2 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 USER INFORMATION With the factory setting Program select by heat circs the DHW circulation pump will automatically start 30 minutes before the first s...

Страница 64: ...matic 4211 Module MEC2 programming unit O CM431 controller module O ZM422 central module Burner controller 1 heating circuit 1 DHW circuit O FM441 function module 1 heating circuit 1 DHW circuit FM442 function module 2 heating circuits X FM443 function module Solar circuit X FM444 function module Alternative heat source X FM445 function module LAP LSP primary system X FM446 function module EIB int...

Страница 65: ... with the switch Fig 21 ZM422 Display 0 General fault e g on site faults sensor faults external faults wiring faults internal module faults manual mode These fault messages appear as plain text on the MEC2 programming unit LEDs for burner functions Display 9 Burner fault Display A Burner operational Display U Modulation output is increased 2 Stage operational Display V Modulating output is lowered...

Страница 66: ... output can be infinitely increased using 5 and infinitely reduced using 6 AUT The burner operates in automatic mode 0 The burner is switched OFF Except when the burner emergency switch is set to 4 max I II The burner operates continuously at maximum output USER INFORMATION In standard mode the switch should be set to AUT Heating circuit 0 or boiler pump and cylinder primary pump are switched on A...

Страница 67: ...tors only Current functions are indicated by LEDs Fig 22 FM442 Display General fault e g on site faults sensor faults external faults wiring faults internal module faults manual mode The fault messages appear as plain text on the MEC2 programming unit LEDs for the following functions Display Mixer opens hotter Display Mixer closes colder Display Heating circuit in summer mode Display Heating circu...

Страница 68: ...as test During the flue gas test the MEC2 will show the display on the left WARNING RISK OF SCALDING During the flue gas test the water can reach a temperature in excess of 60 C This creates a risk of scalding at the draw off points z Only draw off mixed hot and cold water during or just after a flue gas test Note that when mono lever mixer taps are in their usual position the water drawn may be t...

Страница 69: ...eating circuit flow sensor heating circuit 1 4 if installed DHW temperature sensor Boiler remains cold DHW stays cold DHW warning Remote control no communication with heating circuit 0 4 if installed thermal disinfection Heating circuit 0 4 if installed pump fault DHW pump fault DHW inert anode fault Safety equipment fault No connection to BUS system Address used more than once Boiler 1 no connect...

Страница 70: ...erature for the corresponding heating circuit is incorrectly displayed Check the heating circuit assignment Control unit operates in setback mode Check time and heating program and modify if required Set room temperature too low Correct set room temperature DHW supply runs too long Check DHW heating Heat sources deliver insufficient heating energy or are shut down Check heat source Room temperatur...

Страница 71: ...rcuit switch on the ZM422 module to manual Notify your heating contractor Safety chain has responded Central heating stays cold Check whether the boiler is completely filled with water Check whether the boiler is under at least 1 bar pressure If this is the case Reset the high limit safety cut out by removing the domed nut and pressing the reset button located below If this does not work Notify yo...

Страница 72: ...ding on switch positions pumps servomotors actuators etc will be operated manually The control functions continue to operate in manual mode but have no effect on the system The switches were set to manual for maintenance purposes or to remedy a fault Return the switches to AUT when the fault has been remedied Fault Effect Remedy Tab 4 Troubleshooting ...

Страница 73: ...trol unit e g with the heating system emergency stop switch or isolate the heating system from the mains supply by removing the main fuse z Arrange for your heating contractor to rectify any heating system faults immediately CAUTION SYSTEM DAMAGE If an underfloor heating system is installed Before operating your heating system manually check the temperature settings of the temperature limiter on t...

Страница 74: ... If the control system indicates a fault you can temporarily run your heating system manually z To safeguard heat supply in the event of a fault set the module switches Æ Fig 24 1 to 3 z Set the boiler water thermostat Æ Fig 24 2 to 60 C 90 C in case of DHW failure to 60 C z Set burner emergency switch Æ Fig 24 3 to W Burner stage 1 will always be directly controlled The setting for burner stage 2...

Страница 75: ...y close the heating circuit mixer In case of faults immediately notify your heating contractor who will guarantee a professional service It is helpful for your heating contractor if you can provide precise details about the fault Fault Settings for emergency operation ON OFF switch Switch heating circuit and DHW ZM422 Boiler water thermostat Switch heating circuit module FM442 Central heating fail...

Страница 76: ...Operating values Input range Factory settings Setting Program selection Family Early morning Late evening Morning Afternoon Noon Single Seniors New Family DHW 30 C 60 C 60 C Summer winter time adjustment 10 C 30 C constant summer constant winter 17 C Day room temperature 11 C 30 C 21 C Night room temperature 2 C 29 C 17 C Holiday room temperature 10 C 30 C 17 C thermal disinfection Yes No No Heati...

Страница 77: ... 68 FM442 function module 67 H Heating circuit 30 31 Heating circuits assignment 76 Heating control unit 5 Heating DHW 22 Heating phase 55 Heating program 25 34 36 Holiday function 44 Holiday mode 46 Holidayprogram 44 I Instantaneous water heater 5 K Keys 14 L LED s 67 M Manual mode 18 19 Modules 64 N Night mode 9 18 O Operating mode automatic 19 day 19 manuell 18 19 night 19 Operating values 26 7...

Страница 78: ...Notes Logamatic 4211 Subject to technical modifications 78 ...

Страница 79: ...Notes Logamatic 4211 Subject to technical modifications 79 ...

Страница 80: ...rcial co uk C F Quadrant Ltd 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 info buderus de ...

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