Operation in the event of a fault
11
Logamatic 4323 - Subject to technical modifications.
74
11 Operation in the event of a fault
11.1 Emergency mode
If the electronics fail, the control unit can operate
in
emergency mode. In emergency mode, all pumps
continue to run and the mixers are volt-free. Mixers
can
be manually set. In such cases, notify your installer.
WARNING!
RISK TO LIFE
from electric shock!
z Never open the control unit.
z In an emergency, switch off the control
unit (e.g. with the heating system
emergency stop) or isolate the heating
system from the mains supply by
removing the fuse.
z Arrange for your installer 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 the
boiler. If the temperature is set incorrectly,
the underfloor heating system could
overheat.
Manual switches are provided for manual mode on
the
programming unit and on the modules.
Each pump is activated in position
3
. The mixers
remain volt-free and can be manually adjusted.
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