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Multi-boiler systems

Logamatic 4323 - Subject to technical modifications.

101

17 Multi-boiler systems

The Logamatic 4323 control unit, together with modules FM456 /457/458,
can regulate multi-boiler systems (cascades).

For a description of this function, see the technical documentation
of the relevant module.

Содержание Logamatic 4323

Страница 1: ...Service instructions Control unit Logamatic 4323 7 747 017 316 03 2008 GB IE For contractors Read carefully prior to commissioning and servicing ...

Страница 2: ... unit 10 5 Modules and their functions 11 5 1 CM431 controller module 12 5 2 NM482 power supply module 13 5 3 ZM433 central module 14 5 4 FM441 function module accessory 18 5 5 FM442 function module accessory 20 6 Commissioning the MEC2 programming unit 21 7 Calling up the service level 24 8 Calling up and modifying settings 26 9 General parameters 27 9 1 Minimum outside temperature 28 9 2 Type of...

Страница 3: ...ntering the heating circuit actuator 64 11 21 Enter servomotor runtime 65 11 22 Boiler raising 66 11 23 External changeover 67 11 24 External fault message pump 69 11 25 Screed drying 70 12 DHW data 75 12 1 Selecting the DHW cylinder 75 12 2 Setting the temperature range 76 12 3 Selecting switching optimisation 77 12 4 Selecting residual heat use 78 12 5 Setting hysteresis 79 12 6 Raising the boil...

Страница 4: ...20 Fault 105 21 Monitor data 108 21 1 Heating circuit monitor data 108 21 2 DHW monitor data 110 21 3 Substation monitor data 112 22 Display version 113 23 Selecting the control unit 114 24 Reset 115 24 1 Reset all control unit parameter settings 115 24 2 Resetting the fault log 116 24 3 Resetting the maintenance message 117 25 Specification 118 25 1 Logamatic 4323 control unit 118 25 2 FM441 func...

Страница 5: ... on the control unit The design and operation of this product 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...

Страница 6: ...ld control units in an environmentally responsible manner through an approved organisation When disposing of the control unit remove the lithium battery from the CM431 module inside the control unit and dispose of it separately CAUTION SYSTEM DAMAGE from frost When the heating system is switched off it can suffer damage from frost z Protect your heating system against frost damage by draining it a...

Страница 7: ...cific heating system For function extension a combination with other digital control units e g Logamatic 4122 in an ECOCAN BUS connection is also feasible In such cases the Logamatic 4323 as a stand alone heating circuit controller acts as a master control unit that monitors the manually or externally regulated heating of a buffer cylinder and makes the stored heating energy available to connected...

Страница 8: ...t Slot 4 Time Thermal disinfection Reset Heating circ 0 Daily Heat up DHW Circulation Start frequency per hour Factory settings control unit Heating system Substation Fault log Heat circ desig Maint message Low end temp Minimum Heat up temp Design temp Maximum Heat up time Minimum Flow temp Boiler raising Maximum Flow temp Special parameter Remote control Heat curves Max room infl Setback type Hea...

Страница 9: ... F2 fuses 7 747 012 074 02 1RS 3 2 1 Fig 3 Fitted modules Slot 1 e g FM442 heating circuit 1 heating circuit 2 Slot 2 e g FM442 heating circuit 3 heating circuit 4 A Slot A ZM433 feed for external heat sources heating circuit 0 B Slot B MEC2 CM431 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 ci...

Страница 10: ... heating mode 4 automatic heating mode acc to 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 11: ... circuits X FM443 function module Solar thermal circuit X FM444 function module Alternative heat source X FM445 function module LAP LSP primary system X1 FM446 function module EIB interface X FM448 function module Central fault message X2 FM456 function module KSE2 cascade 2 boilers X3 FM457 function module KSE4 cascade 4 boilers X3 FM458 function module Strategy module X2 3 Tab 1 Modules and thei...

Страница 12: ...al heat source is operated via the Logamatic 4323 control unit When connected to others operate the Logamatic 4323 control unit as the master address 1 if an FM456 FM457 or FM458 cascade module is fitted into the Logamatic 4323 control unit The master monitors the ECOCAN BUS which links the control units The master recognises if an address has been allocated more than once A fault message is displ...

Страница 13: ... 2 The factory setting is Gravity switch S1 open terminator not fitted Fig 6 NM482 power supply module 1 ECOCAN BUS 2 Gravity switch S1 for terminator factory setting open 1 2 Example of the terminator hook up when several Buderus control units are connected Fitting the terminator Fitting the terminator Logamatic 4xxx Logamatic 4xxx Logamatic 4xxx Logamatic 4xxx Logamatic 4xxx WARNING RISK TO LIFE...

Страница 14: ...tor illuminates The control functions remain operational in manual mode Fig 7 ZM433 Display General fault e g on site fault sensor fault external fault wiring fault internal module fault manual mode 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 F...

Страница 15: ... 8 ZM433 1 Manual feed pump switch 2 Switch heating circuit 0 1 2 USER INFORMATION In standard mode the switch should be set to AUT The feed pump is switched on AUT The feed pump operates automatically 0 The feed pump is switched off The control functions continue to be active USER INFORMATION In standard mode the switch should be set to AUT The heating circuit pump is switched on The mixer is swi...

Страница 16: ...ts a further external heat demand Higher set values e g from heating circuits continue to be taken into consideration Fig 9 ZM433 view from the back 1 Strapping plug J 1 factory setting 0 10 V 2 U terminals 3 Relay J 1 1 2 3 4 U U 1 2 3 4 1 2 1 2 1 2 1 2 BF FV FA WF 3 1 2 FZB 1 2 3 USER INFORMATION To avoid generating undefined input values voltages greater than 10 V must not be applied to the 0 1...

Страница 17: ... signal can be supplied externally to provide a set value This would be the maximum system flow temperature for all connected heating circuits Strapping plug J1 Alternatively the set value can also be issued as 0 20 mA signal The strapping plug jumper J1 should then be repositioned from to Fig 11 U terminals 3 and 4 x Set flow temperature in C factory setting y 0 10 V input in V ...

Страница 18: ...nual mode Fig 12 FM441 Display General fault e g on site fault sensor fault external fault wiring fault internal module fault manual mode 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 DHW in night mode below the set temperature Display Heating ci...

Страница 19: ... 2 Manual DHW switch 1 2 for heating circuit for DHW supply USER INFORMATION In standard mode set the switches to AUT The heating circuit pump or primary pump will be switched on The mixer is switched volt free and can be manually operated The DHW circulation pump is switched off AUT The heating circuit or the DHW circuit operates in automatic mode 0 The heating circuit pump or DHW cylinder primar...

Страница 20: ...nctions are indicated by LEDs Fig 14 FM442 Display General fault e g on site fault sensor fault external fault wiring fault internal module fault manual mode 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 circuit pump operational USER INFO...

Страница 21: ...ects the control unit with which it is connected automatic detection You do not have to select the control unit The information displayed varies according to the application Ex works MEC2 installed in a control unit If a brand new MEC2 has been installed in the control unit and the connections with the control unit have been established data is immediately downloaded from the control unit The disp...

Страница 22: ...sage b Alternative control unit of the same type If the MEC2 is connected to a different control unit of the same type the display will show the adjacent message for approximately 3 seconds If the MEC2 programming unit is separated from the control unit and data is modified the display shows Aut button transmit Night button receive when the unit is reinstalled into a control unit of the same type ...

Страница 23: ...ified the display shows Aut button transmit Night button receive when the unit is reinstalled into the same control unit The control unit scans whether the new data should be accepted or whether the old data from the control unit should be used again Press AUT Data are to ctrl unit sent The display will then show the adjacent message Press Night mode Data are from ctrl unit taken The display will ...

Страница 24: ...Display Heating circ Temp keys simultaneously and then release The service level is now activated Control system Press and turn The service level is divided into several main menu levels If the last line is left blank without value entry there are further submenus connected with the main menu selected Calling up main menus You can scroll through the main menu level by turning the rotary selector T...

Страница 25: ...ubmenus of the main menu selected by turning the rotary selector Example main menu Gen parameters Min outside temp Type of building Min outside temp Press and hold down Display You can modify the adjustable parameters of the submenu selected by turning the rotary selector For example you might select functions or temperatures Release Display to save your input Press Back to return to the next leve...

Страница 26: ...ess Back several times to return to the standard display The control unit automatically reverts to the standard display if no key is pressed for some time or if the flap is shut USER INFORMATION The menus displayed on the MEC2 programming unit of the control unit depend on which modules are fitted and on their settings These service instructions only describe the menus of the ZM433 central module ...

Страница 27: ...gh the following submenus by turning the rotary selector Min outside temp Type of building Summer Winter Time adjustment Remote adjust Fault message manual control Automatic maint message 0 10 V input USER INFORMATION In the main menu Gen parameters you can adjust values for the submenus listed relating to the heating system and the characteristics of the house in question The following pages expl...

Страница 28: ...ears here 12 C The display shows the set value Release Display to save your input Fig 15 Heating curve adjustment Adjustment of gradient via design temperature and minimum outside temperature TminA Minimum outside temperature TA Design temperature flow temperature that should be achieved at min outside temperature 1 Adjustment Design temperature 75 C minimum outside temperature 10 C standard curve...

Страница 29: ...r Europe Input range Factory setting Minimum outside temperature 30 C 0 C 10 C Town Minimum outside temperature in C Athens 2 Berlin 15 Brussels 10 Budapest 12 Bucharest 20 Frankfurt M 14 Hamburg 12 Helsinki 24 Istanbul 4 Copenhagen 13 Lisbon 0 London 1 Madrid 4 Marseilles 6 Moscow 30 Munich 16 Naples 2 Nice 0 Paris 10 Prague 16 Rome 1 Sevastopol 12 Stockholm 19 Valencia 1 Vienna 15 Zurich 16 ...

Страница 30: ...the selected submenu Turn the rotary selector until submenu Type of building appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here heavy The display shows the set value Release Display to save your input Press Back to return to the next level up light low heat storage capacity e g pre fabricated houses wooden framed cons...

Страница 31: ...ated by symbol on the display Generally reception is possible within a radius of approximately 1 500 km around Frankfurt Main Germany In case of reception problems please observe the following The radio reception is weaker in rooms surrounded by steel reinforced walls in cellars high rise buildings etc Maintain a minimum distance of 1 5 m from sources of interference such as computer monitors and ...

Страница 32: ...e display shows the selected submenu Release Display to save your input Press Back to return to the next level up GENERAL PARAM Radio clock Time adjustment Summer Winter USER INFORMATION If Radio clock is not selected radio time reception is disabled in all control units connected to a data line This also applies to the radio time signals of the BFU F remote control and other MEC2 programming unit...

Страница 33: ...The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here no The display shows the set value Release Display to save your input Press Back to return to the next level up Yes Optional remote adjustment e g via the Logamatic telecontrol system No Remote adjustment is not possible but system data can be downloaded and monitored GENERAL...

Страница 34: ...alue with the rotary selector here Fault message The display shows the set value Release Display to save your input Press Back to return to the next level up GENERAL PARAM 10 C Min outside temp GENERAL PARAM no manual control Fault message GENERAL PARAM Fault message manual control Fault message USER INFORMATION In the case of no a warning notice appears if the flap is closed If Fault message an e...

Страница 35: ... is shown as the first main menu Press Display to call up a submenu here Min outside temp The display shows the selected submenu Turn the rotary selector until the automatic maint message submenu appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Date The display shows the set value Release Display to save your input ...

Страница 36: ...r input Press Back to return to the next level up The status of the maintenance message can be scanned in the Monitor menu The maintenance message can be reset using the Reset menu GENERAL PARAM 01 10 2008 on maint message USER INFORMATION The maintenance message is recorded in the fault log and can be transferred via the Logamatic telecontrol system Input range Factory setting Automatic maintenan...

Страница 37: ...e rotary selector until the required set value appears here Temp control The display shows the set value Release Display to save your input Module Name Temperature control Output control FM447 Strategy module X FM448 Fault mess mod X FM452 KSE 2 UBA 1 X X CM431 V6 xx or higher FM454 KSE 4 UBA 1 X X CM431 V6 xx or higher FM456 KSE 2 EMS X X CM431 V6 xx or higher FM457 KSE 4 EMS X X CM431 V6 xx or h...

Страница 38: ...the curve is set to 0 6 V for a positive curve Fig 16 shows the factory setting Call up the service level Gen parameters is shown as the first main menu Press Display to call up a submenu here Min outside temp The display shows the selected submenu Turn the rotary selector until submenu Temp contr 0V equates to or Temp contr 10V equates to appears Hold down Display and turn the rotary selector unt...

Страница 39: ...s the set value Release Display to save your input GENERAL PARAM 90 C 10V equates to Temp contr Input range Factory setting Temperature control 0 V 5 C 99 C 5 C Temperature control 10 V 5 C 99 C 90 C USER INFORMATION If a curve with a negative incline is programmed e g 0 V 90 C ensure that all 0 10 V inputs of a control unit are controlled An open input corresponds to 0 V and thus to a heat demand...

Страница 40: ...lay to call up a submenu here Slot A Central module The display shows the selected submenu Turn the rotary selector until submenu Slot 1 appears The display shows the set value Hold down Display and turn the rotary selector until the required value appears here Function module none auto We recommend this setting The modules are automatically recognised and installed The display shows the set value...

Страница 41: ... the flow temperature is a linear consequence of the outside temperature The resulting heating curve connects as a straight line the low end with a second point that depends on the design temperature Constant Use this system for controlling a swimming pool heating system or to pre control ventilation circuits if the heating must always provide the same set flow temperature independent of the outsi...

Страница 42: ...isplay shows the selected main menu Press Display to call up a submenu here Heating system The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Underfloor The display shows the set value Release Display to save your input Press Back to return to the next level up SERVICE LEVEL Heating circ 2 HEAT CIRC DATA 2 Radiators Heating s...

Страница 43: ...ing system The display shows the selected submenu Turn the rotary selector until submenu Heat circ desig appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Underfloor The display shows the set value Release Display to save your input Press Back to return to the next level up HEAT CIRC DATA 2 Radiators Heating system H...

Страница 44: ...appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Low end The display shows the set value Release Display to save your input Turn the rotary selector until submenu Low end temp appears The display shows the selected submenu Hold down Display a...

Страница 45: ...ers is shown as the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Design temp appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears her...

Страница 46: ...play to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Minimum Flow temp appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 10 C This value sets the temperature below which the flow temperature must not drop The display shows the set value Release Di...

Страница 47: ...play shows the selected submenu Turn the rotary selector until submenu Maximum Flow temp appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 60 C This value sets the temperature above which the flow temperature must not rise The display shows the set value Release Display to save your input Press Back to return to the ...

Страница 48: ...d together under the term MEC heat circ The following functions can be carried out for MEC heat circ Changing the operating mode Adjusting the set value Summer Winter Time adjustment Holiday function Party function Pause function The heating circuits grouped together under MEC heat circ can for specific settings also be selected as Single heat circ The timer program PROG function is only available...

Страница 49: ...u Remote control appears The display shows the selected submenu Hold down Display and select the required value with the rotary selector here with display Turn the rotary selector to with display if the selected heating circuit has been assigned to the MEC2 The display shows the set value Release Display to save your input Press Back to return to the next level up HEAT CIRC DATA 2 Radiators Heatin...

Страница 50: ...st main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Max room infl appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 5K The display show...

Страница 51: ...st be located in the relevant room In setback mode the heating circuit is generally switched off at Standby In setback mode the system heats to the set night temperature if Reduced is selected The heating circuit pumps operate constantly Setting the heating system to Room controller and setback type to Reduced achieves the same effect for temperature setback as Hold room temp Call up the service l...

Страница 52: ...old down Display and turn the rotary selector until the required value appears here Standby The display shows the set value Release Display to save your input Press Back to return to the next level up HEAT CIRC DATA 2 Hold if cold Setback type HEAT CIRC DATA 2 Standby Setback type Input range Factory setting Setback type Hold if cold Standby Reduced Hold room temp Hold if cold ...

Страница 53: ...c no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Outside hold frm appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 1 C The display shows the set value Release Display to save your input Press Back to ...

Страница 54: ...otary selector until submenu Holiday Setback type appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Hold if cold The display shows the set value Release Display to save your input Press Back to return to the next level up With setting Holiday hold if cold the rotary selector also takes you into the menu where you set...

Страница 55: ...ubmenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu No setback Below outside temp appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 0 C The display shows the set value Release Display to save your input Press Back to return to the next level up USER INFORMATION Set...

Страница 56: ...ows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Constant The display shows the set value Release Display to save your input Turn the rotary selector until Flow Setback by appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 25K The display shows the set value...

Страница 57: ...wn as the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Room temperature Offset appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears h...

Страница 58: ...ctuating external heat influence Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Autom adaptation appears The display shows the selected submenu Hold dow...

Страница 59: ...setback where possible prior to the actual setback time to save energy If a room cools down unexpectedly or suddenly the stop optimisation is terminated and heating continues normally up to the programmed setback time Both optimisation versions are used when Start Stop has been enabled Switching optimisation is not implemented if none is selected Call up the service level Gen parameters is shown a...

Страница 60: ...lected submenu Hold down Display and turn the rotary selector until the required value appears here Stop The display shows the set value Release Display to save your input Press Back to return to the next level up HEAT CIRC DATA 2 Radiators Heating system HEAT CIRC DATA 2 none for Optimisation HEAT CIRC DATA 2 Stop for Optimisation Input range Factory setting Optimisation none Start Stop Start Sto...

Страница 61: ...ss Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Shutdown optimisation time appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 30 min The display shows the set value Release Display to save your input Press Back to return to the next leve...

Страница 62: ...menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Frost prot from appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 2 C The display shows the set value Release Display to save your input...

Страница 63: ...ntil the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu DHW priority appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here no The display shows the set value Release Display to save ...

Страница 64: ...eters is shown as the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Servomotor appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears he...

Страница 65: ...ry selector until submenu Servomotor runtime appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 90s The display shows the set value Release Display to save your input Press Back to return to the next level up USER INFORMATION If you notice a constant oscillation of the mixer you can slow down the control characteristi...

Страница 66: ... Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Boil raising appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 10 C The display shows the set v...

Страница 67: ...and WF3 Changeover 2 Day night aut via terminals WF1 WF2 and WF3 This may only be enabled if terminals WF1 and WF2 are not assigned to External fault message pump Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows th...

Страница 68: ...he required value with the rotary selector here via WF 1 2 3 The display shows the set value Release Display to save your input Press Back to return to the next level up HEAT CIRC DATA 2 via WF1 2 3 Day night aut External Input range Factory setting External day night aut none Day via WF1 3 via WF1 2 3 none ...

Страница 69: ...he service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu External fault message pump is displayed The display shows the selected submenu Hold down Display and select the r...

Страница 70: ...s the first main menu Turn the rotary selector until the main menu Heating circ no appears here Heating circ 2 Press Display to call up a submenu here Heating system The display shows the selected submenu Turn the rotary selector until submenu Screed drying appears The display shows the selected submenu USER INFORMATION Check with your screed contractor for special requirements for screed drying p...

Страница 71: ...y appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 10K The display shows the set value Release Display to save your input HEAT CIRC DATA 2 no Screed drying HEAT CIRC DATA 2 yes Screed drying Input range Factory setting Screed drying no yes no USER INFORMATION Parameters on the following pages enable you to select th...

Страница 72: ... temperature Here you may enter the maximum temperature for screed drying Turn the rotary selector until submenu Screed drying Max temperature appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 25 C The display shows the set value Release Display to save your input HEAT CIRC DATA 2 every day Increase Screed drying HEA...

Страница 73: ...Here you can select the steps in which the temperature for drying out the screed should be set back The setback ends at 20 C Turn the rotary selector until submenu Screed drying Setback by appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 10K The display shows the set value Release Display to save your input HEAT CIR...

Страница 74: ...d drying Setback appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here every 5th day The display shows the set value Release Display to save your input Press Back to return to the next level up HEAT CIRC DATA 2 every day Setback Screed drying HEAT CIRC DATA 2 every 5th day Setback Screed drying Input range Factory settin...

Страница 75: ...an select the type of hydraulic connection of the DHW cylinder Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu DHW appears The display shows the main menu DHW Press Display to call up a submenu here DHW The automatically recognised DHW cylinder will be preset on the display Hold down Display and turn the rotary selector until th...

Страница 76: ... Turn the rotary selector until submenu Range to appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 80 C The display shows the set value Release Display to save your input Press Back to return to the next level up WARNING RISK OF SCALDING from hot water There is a risk of scalding if the required DHW temperature is se...

Страница 77: ...vice level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu DHW appears Press Display to call up a submenu here DHW The display shows the selected submenu Turn the rotary selector until submenu Optimisation for starting appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here yes T...

Страница 78: ... If you select Residual heat use no you will only utilise a small amount of residual heat The burner runs until the required DHW temperature has been reached The cylinder primary pump runs on for 3 minutes after the burner is switched off Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu DHW appears Press Display to call up a subm...

Страница 79: ...selector until the main menu DHW appears Press Display to call up a submenu here DHW The display shows the selected submenu Turn the rotary selector until submenu Hysteresis appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 20K The display shows the set value Release Display to save your input Press Back to return to...

Страница 80: ...service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu DHW appears Press Display to call up a submenu here DHW The display shows the selected submenu Turn the rotary selector until submenu Boiler raising appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 10K The displ...

Страница 81: ...in menu DHW appears Press Display to call up a submenu here DHW The display shows the selected submenu Turn the rotary selector until submenu External fault message WF1 2 is displayed The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Pump The display shows the set value Release Display to save your input Press Back to return...

Страница 82: ... cannot be cancelled Heating once will only be stopped when the cylinder has been fully heated Therm disinfect You can start thermal disinfection with the above mentioned zero volt pushbutton if you have assigned the external contact to Therm disinfect Any existing thermal disinfection program will then become ineffective Call up the service level Gen parameters is shown as the first main menu Tur...

Страница 83: ...fect yes thermal disinfection commences according to factory settings or your own preferences Thermal disinfection is indicated by LED on the FM441 module You may adjust the factory settings for thermal disinfection via additional menus The system tries to reach the set thermal disinfection temperature for three hours If this fails the fault message Therm disinfect failed appears You may also set ...

Страница 84: ... shows the selected submenu Turn the rotary selector until Therm disinfect appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here yes The display shows the set value Release Display to save your input Press Back to return to the next level up DHW DATA yes DHW DHW DATA no Therm disinfect DHW DATA yes Therm disinfect Input ...

Страница 85: ...e Therm disinfect appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 75 C The display shows the set value Release Display to save your input Press Back to return to the next level up WARNING RISK OF SCALDING from hot water z If the DHW circuit is not equipped with a thermostatic mixer never open the hot water taps val...

Страница 86: ...bmenu Turn the rotary selector until submenu Weekday Therm disinfect appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here Sunday The display shows the set value Release Display to save your input Press Back to return to the next level up USER INFORMATION The Weekday Therm disinfect function is not displayed if thermal d...

Страница 87: ...ed submenu Turn the rotary selector until submenu time Therm disinfect appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 18 00 The display shows the set value Release Display to save your input Press Back to return to the next level up USER INFORMATION The Time Therm disinfect function is not displayed if thermal dis...

Страница 88: ...or until the main menu DHW appears Press Display to call up a submenu here DHW The display shows the selected submenu Turn the rotary selector until Daily heat up appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 18 00 The display shows the set value Release Display to save your input Press Back to return to the next...

Страница 89: ...DHW appears Press Display to call up a submenu here DHW The display shows the selected submenu Turn the rotary selector until submenu DHW circulation appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here no The display shows the set value Release Display to save your input Press Back to return to the next level up DHW DA...

Страница 90: ... operation the DHW circulation pump operates all day and is switched off during night operation Example Your own time program was created that starts the DHW circulation pump between 05 30 22 00 with setting DHW circulation per hour 2 times ON The DHW circulation pump is switched on in cycles at 05 30 for 3 minutes at 06 00 for 3 minutes at 06 30 for 3 minutes etc until 22 00 Call up the service l...

Страница 91: ...HW circulation pump will now only operate during heating once The display shows the set value Release Display to save your input Press Back to return to the next level up DHW DATA off per hour DHW circulation Input range Factory setting DHW circulation per hour off 1 time on 2 times on 3 times on 4 times on 5 times on 6 times on Constant operation 2 times on ...

Страница 92: ... buffer temperature If this exceeds the minimum heat up temperature the feed pump if installed and other pumps will be switched on Operation with address 1 substation The feed sensor is only required if the substation is physically far from the heat source Otherwise the system flow temperature will be transferred by the master control unit via the ECOCAN BUS Line losses are compensated if the subs...

Страница 93: ...tion appears The display shows the selected main menu Press Display to call up a submenu here Minimum Heat up temp The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 60 C The display shows the set value Release Display to save your input Press Back to return to the next level up SERVICE LEVEL Substation Substation 50 C Heat u...

Страница 94: ...inder primary pump PS on FB colder than FZB Cylinder primary pump PS off Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu Substation appears Press Display to call up a submenu here Minimum Heat up temp The display shows the selected submenu Turn the rotary selector until submenu Maximum Heat up time appears The display shows the ...

Страница 95: ...rs is shown as the first main menu Turn the rotary selector until the main menu Substation appears Press Display to call up a submenu here Minimum Heat up temp The display shows the selected submenu Turn the rotary selector until submenu Boiler raising appears The display shows the selected submenu Hold down Display and turn the rotary selector until the required value appears here 10K The display...

Страница 96: ... to optimise the system beyond the standard parameters by fine tuning the sub parameters This level is reserved for trained heating contractors Therefore settings are not made in plain text but in code which is explained in a separate document This document Special parameters Logamatic 4000 is available from your local Buderus sales office ...

Страница 97: ...ters is shown as the first main menu Turn the rotary selector until the main menu Heat curves appears The display shows the selected main menu Press Display to call up a submenu here Heating circ 0 The display shows the selected submenu Turn the rotary selector until submenu Heating circ 2 appears The display shows the selected submenu Press Back to return to the next level up SERVICE LEVEL Heat c...

Страница 98: ... may be a time delay between demand and display With the modules installed most commonly in the Logamatic 4323 control unit i e FM441 and FM442 the following relays can be called up Heating circuit 0 9 Circ pump Servomotor DHW Cylinder primary pump DHW circulation pump Substation Feed pump CAUTION SYSTEM DAMAGE from disabled functions The heat supply of the heating system is not assured during the...

Страница 99: ...isplay shows the selected main menu Press Display to call up a submenu here Heating circ 0 The display shows the selected submenu Turn the rotary selector until submenu Heating circ 2 appears The display shows the selected submenu Press Display to call up a further submenu here Circ pump The display shows the selected submenu SERVICE LEVEL Relay test RELAY TEST Heating circ 0 RELAY TEST Heating ci...

Страница 100: ...tary selector until the required value appears here closed The display shows the set value Release Display to save your input Press Back twice to return to the next levels up This ends the relay test This will also be the case when you close the flap RELAY TEST off Servomotor Heating circ 2 RELAY TEST 2 closed Servomotor Heating circ 2 USER INFORMATION All relay test settings are cancelled at the ...

Страница 101: ...technical modifications 101 17 Multi boiler systems The Logamatic 4323 control unit together with modules FM456 457 458 can regulate multi boiler systems cascades For a description of this function see the technical documentation of the relevant module ...

Страница 102: ...ns and symbols are fully displayed Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu LCD test appears The display shows the selected main menu Press Display The LCD is OK if all signs and symbols are correctly displayed Press Back to return to the next level up SERVICE LEVEL LCD test 8Ccd8X8beP ...

Страница 103: ...urn the rotary selector until the main menu Fault log appears The display shows the selected main menu Press Display The fault message is displayed Fault messages recorded by the control unit will be displayed together with the time for the beginning and end of the fault The display will show No fault if the connected control unit has not recorded any faults Turn rotary selector and scroll through...

Страница 104: ...M441 and FM442 being installed as well as the ZM433 central module Outside temperature sensor Flow sensor x DHW sensor DHW stays cold DHW warning Thermal disinfection Remote control x Communication HKx ECOCAN BUS reception No master Conflicting BUS addresses Address confl x Incorrect module x Unknown module x Inert anode External fault input Insuff supply Flow sensor FZB Manual mode XX Maint date ...

Страница 105: ... selected Deselect DHW in the MEC2 under parameter DHW data if DHW heating is no longer required Æ Chapter 12 Module or control unit faulty Replace sensor or module DHW stays cold DHW is no longer heated Current DHW temperature is below 40 C Primary pump faulty FM441 function module faulty More DHW is removed than newly heated Check whether the thermostat or the switch is set to AUT Check function...

Страница 106: ...m operates with minimum outside temperature By mistake there is no master control unit address 1 in the network Check addresses of all control units in the network On the master control unit CM431 must be set to address 1 Æ Chapter 5 1 Connecting cable to master control unit is interrupted Check function of connecting cable Master control unit address 1 is switched off or faulty Check master contr...

Страница 107: ...tem may be insufficiently supplied Heat supply insufficient or non existant Recharge a wood burning boiler for example Flow sensor FZB Pump logic will be cancelled Sensor is faulty or not connected Check sensor connection If necessary replace the sensor Sensor should not be required but is needed because control unit has been incorrectly set up Check control unit address Sensor is required for add...

Страница 108: ...splay data for the following components if installed Heating circuits DHW Substation Monitor data of other installed modules 21 1 Heating circuit monitor data Using the monitor menu Heating circ you can display the data for one heating circuit Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu Monitor appears The display shows the ...

Страница 109: ...peration prior to the actual switching point so that the set room temperature is reached by the actual start time Stop optimisation A calculated period to commence an early setback to save energy Turn the rotary selector to scroll through the heating circuit monitor data Servomotor Indicates the calculated regulating pulse in percent Example 0 no control 50 servomotor is controlled in a cycle of 1...

Страница 110: ...e main menu Monitor appears Press Display to call up a submenu here Heating circ 0 The display shows the selected submenu Turn the rotary selector until submenu DHW appears The display shows the selected submenu Press Display The calculated set value and the actual value for the DHW temperature are displayed Possible operating modes Off Constant operation Automatic night Automatic day Holiday Opti...

Страница 111: ...itching point to achieve the set DHW temperature in good time Turn the rotary selector to scroll through the DHW monitor data Heating indicates the operating condition of the DHW cylinder primary pump DHW circulation Indicates the operating condition of the DHW circulation pump Press Back to return to the next level up DHW monitor DHW circulation on Prim heating off ...

Страница 112: ...ied type of building into consideration with which the heating curve was calculated The Flow value indicates the flow temperature set value actual value that is captured by the master via the feed sensor and that is transmitted by a substation via the ECOCAN BUS Turn the rotary selector to scroll through the substation monitor data System flow set value actual value The system flow of the control ...

Страница 113: ...ntrol unit Call up the service level Gen parameters is shown as the first main menu Turn the rotary selector until the main menu Version appears The display shows the selected main menu Press Display to call up a submenu The versions for the MEC2 programming unit and the control unit are displayed Press Back to return to the next level up SERVICE LEVEL Version VERSION Control unit 8 xx MEC 8 xx ...

Страница 114: ...eters is shown as the first main menu Turn the rotary selector until the main menu Control unit appears The display shows the selected main menu Press Display to call up a submenu here Logamatic 4211 The display shows the selected submenu Hold down Display and select the required value with the rotary selector here 4323 The display shows the set value Release Display to save your input Press Back ...

Страница 115: ... selected submenu Press and hold Display The blocks in the last line disappear one after the other The settings have been reset when no further blocks are displayed The reset operation will be terminated if you release the key before all blocks have disappeared After implementing a reset the display automatically reverts to the next level up When terminating a reset press Back to return to the nex...

Страница 116: ... settings may be lost if you press for too long The display shows the selected submenu Turn the rotary selector until Fault log appears The display shows the selected submenu Press and hold down Display The blocks in the last line disappear one after the other The fault log is reset after the final block has disappeared Reset will be terminated if you release the key before all blocks have disappe...

Страница 117: ...e rotary selector until submenu maint message appears The display shows the selected submenu Press and hold down Display The blocks in the last line disappear one after the other The maintenance message is reset after the final block has disappeared Reset will be terminated if you release the key before all blocks have disappeared After implementing a reset the display automatically reverts to the...

Страница 118: ...trol L 230 Servomotor runtime s 120 adjustable 10 600 Type of controller Three point stepper controller PI characteristics Ambient temperatures Operation C 5 50 Handling C 20 50 Sensor lower fault limit in C lowest display value in C highest display value in C upper fault limit in C FA Outside temp 50 40 50 70 FZB System flow temp 5 0 99 125 FV Flow temp B 0 5 0 99 125 Operating voltage at 50 Hz 4...

Страница 119: ...ighest display value in C upper fault limit in C FV Flow temp B 5 0 99 125 FB DHW temp 7 0 99 125 Operating voltage at 50 Hz 4 L 230 10 Power consumption VA 2 Maximum switching current Heating circuit pump output A 5 Heating circuit actuator control L 230 Servomotor runtime s Three point stepper controller PI characteristics Sensor lower fault limit in C lowest display value in C highest display v...

Страница 120: ...ls z Check the resistance at the sensor cable ends using an ohmmeter z Check the sensor temperature with a thermometer Using the diagram you can check whether temperature and resistance correlate USER INFORMATION The sensor tolerance for all curves is up to 3 25 C Fig 18 Outside temperature sensor and boiler water flow and DHW temperature sensors 1 Outside temperature sensor curve 2 Sensor curves ...

Страница 121: ...Sensor curves 26 Logamatic 4323 Subject to technical modifications 121 Fig 19 Room temperature and flue gas temperature sensors 1 Room temperature sensor curve 2 Flue gas temperature sensor curve ...

Страница 122: ...swimming pool 43 Heating circuit actuator 64 Heating circuit data 41 Heating circuit function 15 41 Heating curves 41 97 Heating once 82 Heating system 41 Heating system selection 42 Hold if cold 53 I Identical control unit 23 Inert anode 81 L Light emitting diodes 14 18 20 Line loss 92 Liquid crystal display LCD 102 Low end 41 Low end temperature 44 M Main menus 24 Maintenance message 35 Manual f...

Страница 123: ...ay 26 Start time 59 Strapping plug J1 17 Submenu 25 Substation 12 92 Summer Winter Time adjustment 48 Switch 14 T Telecontrol system 33 Temperature thermal disinfection 85 Terminator 13 Thermal disinfection 82 83 Thermostatic valves 58 Type of building 30 U U terminals 16 Underfloor 43 Underfloor heating 41 70 V Version 113 Z ZM433 14 ZM433 central module 14 92 ...

Страница 124: ... 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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