Buderus Logamatic 2107 - Operation During a Fault

Operation in the event of a fault
11
Logamatic 2107 controls - We reserve the right to make any changes due to technical modifications.58
11 Operation in the event of a fault
If there is a fault in the controls, you may continue to run
your heating system temporarily.
z Check whether individual controls are set incorrectly
before making the settings for emergency mode.
z Depending on the fault, set the emergency switch
and the controls as shown in the following table
(Tab. 2).
z Boiler water thermostat (Fig. 17, Item 1)
z Emergency mode, heating and DHW switches
(Fig. 17, Item 2).
z Set the On/Off switch to the position
(Fig. 17, Item 3).
Fig. 17 Check the settings of the controls
Item 1: Boiler water thermostat
Item 2: Emergency mode, heating and DHW switches
Item 3: ON/OFF switch
AUT
9
0
7
0
60
50
I 0
AUT
90
70
6
0
50
1
2
3
AUTOMATIC
11.15am
71
WARNING!
RISK TO LIFE
from electric shock.
z Never open the controls.
Never attempt to dismantle individual
components.
Fault
Settings for an emergency operation
ON/OFF switch
Manual
Emergency
mode
Boiler circuit and
DHW
Boiler water
thermostat
Central heating failed
1)
140 – 194°F
(60 – 90°C)
DHW heating failed
1)
140°F
(60°C)
Central heating and DHW heating
failed
1)
140°F
(60°C)
Tab. 2 Emergency mode settings
1)
If a mixer is installed for heating circuit 2, the mixing
valve must be set manually in emergency mode so
that overheating (underfloor heating) is prevented.