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5.. Service / Maintenance
Always disconnect from power before servicing!
Service and repair at electrical parts of the pump (cable, motor) has to be done by authorized service- companies
or producer.
Check the air pressure (1.5 bar) in the membrane vessel at least every three months and, if necessary, set it to 0.2 - 0.3 bar below the switch-
on pressure.
If the mechanical seal is damaged (dry- running and/or pumping abrasive parts) water will leak between pump- body and motor. To replace
this seal the 6 screws and the pump- body must be removed, impeller turned off/locking the shaft at the fan side). Replaced the seal and the
O-ring of the pump- body and assemble all parts in reverse order.
In case of very low temperatures and in any case before the first frost the pump must be removed from water. Empty the pump and store it in
a place where it is protected from frost.
For the purpose of a repair, service kits and service tools are available on request. You will find a typical overview about our service
partners at www.zehnder-pumpen.de.
We explicitly mention that spare parts and accessories which are not delivered and checked by Zehnder are not permitted. The built in and
use of such products may negatively affect the constructive set properties under these circumstances. For damages which arise by using of
non-original spare parts and accessories, Zehnder will refuse any liability and warranty. For faults which you cannot repair by yourself you
should contact our customer service or a qualified person.
6. Warranty
This pump carries a 24 month manufacturer warranty. On the vessel including the membrane from EPA-P, we assume the warranty of 4
years. The warranty period begins with the date of purchase by the end user. Proof of purchase should be retained. Within this period we will
remove all kind of shortcoming due to failures of material or assembling. It is up to us either to repair or to replace the pump.
This warranty does not cover damage cause by improper use or wear and tear (mechanical seal, diaphragm, at booster kits). Also, there will
be no warranty given in case of unauthorized repair of the pump. Consequential damages caused by failing of the pump are not covered by
the manufacturer.
7. Disposal
For EU-countries only. Do not dispose the pump into the domestic waste.
In accordance to the European guideline 2002/96/EG concerning electrical and electronic equipment and implanting into
national law used electrical tools have to be collected separately and supplied to an environmentally compatible recycling.
14
GB
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