7 Servicing/Maintenance
7.1 Servicing/inspection
The circulator pumps are almost maintenance-free.
If the pump has not been in operation for a prolonged period of time or if the
system is severely contaminated, the rotor can become blocked.
The rotor can be deblocked by undoing the screwed plug, inserting a screw driver
into the shaft end, and rotating the rotor.
NOTE
Any repairs on the pump must only be performed by one of our authorised service
partners.
In the event of a failure, please contact your heating system engineer.
7.2 Drainage/cleaning
WARNING
Fluids, consumables and supplies which are hot and/or pose a health hazard
Hazard to persons and the environment!
▷
Collect and properly dispose of flushing fluid and any residues of the fluid
handled.
▷
Wear safety clothing and a protective mask, if required.
▷
Observe all legal regulations on the disposal of fluids posing a health hazard.
1.
Always flush the pump if it has been used for handling noxious, hot or other
hazardous fluids.
Always flush and clean the pump before transporting it to the workshop.
Provide a cleaning record for the pump.
7.3 Removing the pump set from the piping
7.3.1
Safety regulations
DANGER
Hazardous fluids/ substances in the piping
Risk of injury!
▷
Flush and thermally disinfect the piping prior to commissioning the pump.
DANGER
Installation in potentially explosive atmospheres
Explosion hazard!
▷
Never install the pump in potentially explosive atmospheres.
▷
Never use the pump to handle explosive fluids.
DANGER
Pump operation without front cover
Risk of fatal injury due to electric shock!
Risk of injury!
▷
Only operate the pump with the front cover fitted and with the PE connection
(earthing) established.
7 Servicing/Maintenance
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Calio-Therm NC