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180R9265 / IOM APP 16-22 Appendices - v02 / 01.2013
Instruction APP pump instruction APP 11-13 and APP 16-22
6. Service 6.1 Warranty
Danfoss APP pumps are designed for long
operation, low maintenance and reduced
lifecycle costs.
Provided that the pump has been running
according to the Danfoss specications, Danfoss
guarantees 8,000 hours service-free operation,
however, max 18 months from date of produc-
tion.
If Danfoss recommendations concerning
system-design are not followed, it will strongly
inuence the life of the APP pumps.
6.2 Maintenance
After 8,000 hours of operation it is strongly
recommended to inspect the pump and change
any worn parts, e.g. pistons and shaft seal. This is
done in order to prevent a potential breakdown
of the pump. If the parts are not replaced, more
frequent inspection is recommended according
to our guidelines.
Stand still
The APP pumps are made of Duplex/Super
Duplex materials with excellent corrosion
properties. It is however, always recommended
to ush the pump with freshwater when the
system is shut down.
6.3 Repair
In case of irregular function of the APP, please
contact the Danfoss RO Solutions Sales
Organisation.
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