Manual zz. Correct use. Symbol key. Please observe these notes. Cleaning the control unit.
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Quick Links. Download this manual. Operating Instructions. Read carefully before use. Table of Contents. Troubleshooting Troubleshooting 78 Simple troubleshooting 79 Troubleshooting Control module for boilers equipped with ems or ems plus 64 pages. Page 2: Table Of Contents Page Page 4: Introduction Your heating system offers a wealth of further useful functions.
Using pumps, this hot water is transported through the pipework to the consumers radiators, underfloor heating system, etc. Logamatic , and - Subject to technical modifications.
Page 6 — Internal heat sources open fireplace, occupants, lamps, etc. 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.
Page 8 With this kind of control you always need to keep all thermostatic radiator valves in the reference room fully open. Page 9 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. Arrange for your local heating contractor to service your heating system annually. Disposal Dispose of the control unit packaging in an environmentally responsible manner.
The lithium battery in the CM module may only be replaced by your local heating contractor. When there is a risk: Isolate the heating system from the mains supply with the emergency stop switch upstream of the boiler room, or by removing the main fuse.
Page Standard Functions 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.
Actual room You can also use manual mode to heat on cooler days when the system operates in summer mode. Page 21 At fixed times, central heating is provided or the room temperature is set back. Page 22 setback mode , and operates at a lower room temperature. The selected permanent display will then appear again.
Page Heating Dhw see Fig. Page 26 2 seconds. The permanent display will then appear again. Page Changing The Permanent Display Hold down "Display", and select the required permanent display with the rotary selector here: "Date". Release "Display". The selected permanent display has now been saved.
Page 32 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. The displayed heating circuit is now selected.
As soon as the heating circuit has been selected, the display returns to the permanent display. Heating circ. Page 35 "Night mode". After modifying the temperature, reset the operating mode to the previous setting. BFU , you can adjust the room temperature only via these units see remote control instructions.
Single heat Time switch circ select" will appear. Not possible Single heat circ Enter these settings for each heating circuit separately Chapter 7. If not, several options are available for matching the heating program to your individual requirements. Page 38 "Manual day" mode, and DHW is being heated "by heat. This will be saved under "Own" and the number of the heating circuit. Select a heating circuit here: "Heating circ. Page 42 "OFF" switching point. Hold down "Time", and select the required time with the rotary selector.
Example: "". Release "Time". The newly adjusted time for the "OFF" switching point is saved. 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.
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". The display shows "Constant winter". Your heating system will constantly operate in winter mode.
Constant winter Logamatic , and - Subject to technical modifications. Press "Night mode" to stop DHW heating. After approximately three seconds, the permanent display will appear again. Press "Night mode" to switch off DHW circulation. Constant night Continuing the holiday function Press "AUT" to continue the interrupted holiday function. Page Setting The Party Function 3 hours If you want to cancel the pause function, call up pause function as described above and turn the rotary selector to "0".
Page Room Temperature Matching The display shows the set value. Room temperature Correction 0. The display shows the corrected temperature Page Additional Programming Options 7 Page 55 "Friday at " is now set as the new switching point.
New switch. Page 56 To enter the next switching point e. Page 57 Select the standard program for the chosen heating circuit Chapter 7. Press "Back" to return to the permanent display. The displayed temperature depends on the set room temperature.
Page 62 You can call up your new program by pressing "Prog" and turning the rotary Monday selector Chapter 7. The display shows the blank screen "New switch. Page 64 You cannot freely enter any temperature here. Only the factory-set day and night temperatures are available, which you can, however, modify New switch. Page 65 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.
You can call up your new "Own program CP" by pressing "Prog" and turning the rotary selector. Page Thermal Disinfection Thermal disinfection is started according to the times set at the factory. If required, your heating contractor can alter these settings. Page 71 : The heating circuit and cylinder primary pumps start when " cylinder" has been selected in the "DHW" menu service instructions. LEDs indicate the current function status. Display Heating circuit pump operational Display Cylinder primary pump operational Display DHW circulation pump operational Display Thermal disinfection enabled Logamatic , and - Subject to technical modifications.
Page 73 The heating circuit pump or cylinder primary pump as well as the DHW circulation pump are switched off. The mixer is switched to zero volt. The control functions remain active. Current functions are indicated by LEDs. If the switches are not set to automatic, a message to this effect appears on the MEC2 programming unit and fault indicator illuminates.
Page 76 The primary and secondary pumps and the DHW circulation pump are switched off. The control functions continue to operate. LEDs indicate the current functions. Page Boiler Flue Gas Test The flue gas test is started at the boiler see technical boiler documentation. During the flue gas test the MEC2 will show the display on the left. Flue g.
Service instructions. Logamatic 4121, 4122 and 4126 control unit /2004 GB For installers
Quick Links. Download this manual. Operating Instructions. Read carefully before use. Table of Contents. Troubleshooting Troubleshooting 78 Simple troubleshooting 79 Troubleshooting Control module for boilers equipped with ems or ems plus 64 pages.
Buderus Logamatic 4121 Manuals
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Operating Instructions Logamatic 4121, 4122 and 4126