Cetetherm Midi Wall IQHeat
Installation, service and operating instruction
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10
Service actions for the installer
10.1 Check if the district heating strainer is blocked
Service actions must be carried out by an authorized service technician.
Before starting out repairs always close the primary supply and return shutoff valves and drain
the system.
After finishing repair; open the shutoff valves. Start with primary supply and then the return lines,
to avoid pollutions in the system. Open the valves slowly to avoid pressure surges.
Do the same on the heating side open first heat return and then supply. Fill up the system, start
the pump and vent.
Release the strainer holder and remove the cartridge.
Clean the strainer with water and refit the cartridge.
Screw the strainer holder with a momentum of 10-20 Nm.
Picture 15
Summary of Contents for Midi Wall IQHeat
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