Oase AquaOxy 400 CWS, Operating Instructions Manual

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Start-up
Prior to this observe the following operating steps: Connect the air hose to the unit prior to switching on. We recom-
mend to fit the aeration stones approx. 30 cm below the water surface. Keep the length of the air hoses as short as
possible. Protect the connection cable when burying and connect the transformer to a socket. Air will emerge from the
aeration stones after a short start-up time. The air quantity can be controlled by means of the regulating valves (G).
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Electrical connection
Attention! Dangerous electrical voltage.
Possible consequences:
Death or severe injury.
Protective measures: Disconnect the power plug prior to reaching into the water and commencing
work.
Only entrust an authorised expert to carry out the electrical connection in accordance with the German EVU and VDE.
The VDE 0100, part 702, are valid for all installations. Deviations from the rated v6% and -10%. Please refer to
the type plate for all capacity and performance data. Carry out all work on the unit when isolated.
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Cleaning
Attention! Dangerous electrical voltage.
Possible consequences:
Death or severe injury.
Protective measures: Disconnect the power plug prior to reaching into the water and commencing
work.
Disconnect the power supply first, then secure the unit to prevent unintentional switching on. Should the performance
reduce, clean the air intake opening in the base of the housing.
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Wearing parts
Diaphragms are wear parts and are excluded from the warranty.
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Replacing the diaphragms
Diaphragms need to be replaced occasionally. Always replace diaphragms in pairs, left and right.
Disconnect the power supply first, then secure the unit to prevent unintentional switching on. Remove the hood by
unscrewing the screws from the unit underside (A). Open the metal housing by undoing the screws, then remove the
cover (B). Disconnect the connection hose from the pump heads (C) on the left-hand and right-hand side. Remove the
pump from the metal housing (D) and disassemble the pump heads by undoing the screws (E). The membrane can be
replaced after loosening the screws and removing the support disk (F). Ensure correct insertion (note the shape).
Reassemble the unit in the reverse order and put it back into operation.
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Storage/Over-wintering
Take the air hoses out of the water and clean. Check the unit for damage and store it in a frost-free environment.
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Disposal
Dispose of the unit in accordance with the national legal regulations.
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Malfunction
Malfunction Cause Remedy
Unit does not run No mains voltage
Transformer defective Check mains voltage
Replace transformer
Unit does not deliver air Diaphragms defective
Regulating valve (G) incorrectly set
Valves soiled Replace diaphragms, clean air slots
Check settings
Clean
Insufficient delivered quantity Diaphragms defective
Excessive loss in the supply hoses
Regulating valve (G) incorrectly set Exchange diaphragms
Reduce hose length to a minimum
Check settings
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