Operation in the event of a fault
12
Logamatic 4321/4322 - Technical specifications are subject to change without prior notice.
74
12 Operation in the event of a fault
12.1 Emergency operation
If the electronics fail, the control panel can operate in
emergency mode. In emergency mode, all pumps
continue to run and the mixing valves are volt-free. They
can be set manually. In such cases, notify your heating
contractor.
WARNING!
RISK OF LIFE
due to electric shock!
z
Never open the control panel.
z
In an emergency, switch off the control
panel (e.g. with the heating system
emergency shut-off switch) or isolate
the heating system from the mains
supply by disengaging the heating
system circuit breaker.
z
Arrange for your heating contractor to
rectify any heating system faults
immediately.
CAUTION!
SYSTEM DAMAGE
through the system overheating!
If the temperature is set incorrectly, a
radiant floor heating system could
overheat.
z
If an radiant floor heating system is
installed: Before operating your
heating system manually, check the
temperature settings of the
temperature limiter on the boiler.
Manual switches are provided for manual mode on the
control panel and the modules.
Each pump is activated in position
3
. The mixing valve
remains disconnected and can be adjusted by hand.
Summary of Contents for Logamatic 4321
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