Buderus Logano plus GB102, User Instructions

3

Operating the appliance

Logano GB102 – 6 720 811 066 (2014/09)

5

Switching the appliance off

▶ Switch off at the with the main appliance switch.

The display goes blank.

▶ If the appliance is to be taken out of service for a while: Check the anti 

freeze (



 Section 3.8).

3.4

Heating mode

3.4.1

Heating mode on/off

▶ Press the Heating mode button 

 repeatedly until the display 

shows the Heating mode on symbol 

 or the Heating mode off 

symbol  

flashing.

Fig. 4  

Heating display

▶ Press the button 

+

 or the button

  – 

 to select Heating mode on or off:

–

 =Heating mode on

–

 = Heating mode off

▶ Press the 

ok

 button to save the setting.

The tick symbol 

 will be displayed briefly.

Fig. 5  

Heating mode display

The burner symbol    is displayed when the there is a heating 
demand.

3.4.2

Set the maximum flow temperature

The maximum flow temperature can be set between 30 °C and 82 °C

1)

. 

The current flow temperature appears on the display. 

When in the Heating mode:
▶ Press the 

 button.

The display shows the flashing maximum flow temperature and the 
Heating mode symbol 

 is displayed.

Fig. 6  

Maximum flow temperature

▶ Press the  

+

 or

   – 

 button to set the desired maximum flow 

temperature.

▶ Press 

ok

 to save the setting.

The tick symbol

 is displayed briefly to confirm that the setting 

has been saved.

Fig. 7  

Setting the maximum flow temperature

The controller has a pump anti-seize function for when 
the pump is inactive for a long period of time, the pump 
is run periodically to prevent it seizing. If the controller is 
turned off, then this function is inactive.

NOTICE: 

Risk of the system freezing

When the heating is turn off, only the appliance is 
protected from frost.
▶ Check the anti-freeze if there is arisk of freezing 

(



 Page 7).

No heating will occur if the Heating mode has been set to 
off.

6 720 619 605-15.1O 

6 720 619 605-14.1O 

1) The maximum value can be reduced by the service technician.

For under-floor heating be aware of the maximum flow 
temperature.

Flow temperature
(approx.)

Example

 50 °C

Under-floor

75 °C

Radiators

82 °C

Convection

Table 2   Maximum flow temperatures

6 720 619 605-13.1O 

6 720 619 605-14.1O