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
Dismantling the complete pump set
DANGER
Work performed on an energised terminal box
Danger of death from electric shock!
▷
Switch off the supply voltage at least 5 minutes prior to commencing work and
ensure that it cannot be switched on again unintentionally.
DANGER
Strong magnetic field in the rotor area
Danger of death for persons with pacemaker!
▷
Keep a safety distance of at least 0.3 m.
DANGER
Pump acting as a generator when running in reverse
Danger to life from hazardous induction voltage at the motor terminals!
▷
Prevent the fluid from flowing back by closing the shut-off elements.
7 Servicing/Maintenance
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Rio-Eco N / Rio-Eco Z N / Rio-Eco Therm N
