10
Available spare parts: Please refer to www.aqua-medic.de.
2.
Principle of operation
The skimmer with venturi pump has to be placed in a separate filter tank. The water is pumped to
the skimmer by the venturi pump. The pump draws water from the filter tank and mixes it with air.
Within the pump housing, the bubbles are cut into very fine pieces by the Aqua Medic Power
Wheel. The air/water mixture is pumped back into the skimmer. The treated water flows through
the outlet out of the skimmer back into the filter tank.
3.
Venturi pump
The
DC Runner
series of magnetically coupled centrifugal pumps are very quiet in operation. They
have fully encapsulated synchronous motors. All materials are saltwater resistant.
The polished ceramic shaft and bearing is practically wear-resistant, ensuring a long operating life.
The pumps can easily be taken apart for cleaning. The direction of the rotation is controlled
electronically. This enables a very efficient operation.
3.1. Connections
Suction side:
The included air injection nozzle is placed at the pump’s suction side.
Pressure side:
The pressure side is connected to the skimmer by the existing connection by a
piece of hose. Please make sure that the O-rings (Fig. 1, No. 18 + 24) are placed into the groove.
If possible, mount the pump horizontally for best air power and quiet operation.
3.2. Setup of the pump
The pump DC Runner is operated by an electronic safety transformer at AC 110 – 240 V / 50 – 60
Hz and 24 V DC output. To open the pump, remove retaining plate and release the pump lock by
turning it. After setting the pump up, please ensure you can always reach the power plug easily.
3.3. DC Runner Controller
The included DC Runner Controller is switched between power supply and pump to adjust the
output. The power can be adjusted by pressing the +/- buttons, the level is displayed by LED. If
you press the button „FEED“, the output will stop for 10 minutes.
There is an automatic shut off if there is no water for 2 minutes. Pull the plug and then re-insert it
to take the controller back into operation. Controller, plugs and sockets have to be kept dry.
0 - 10 V: The pumps must be operated with at least 60% power, otherwise damage will occur.
When inserting the plug into the 0 - 10 V socket (Fig. 2, No. 4) it will be switched to 0 – 10 V
automatically, this will be indicated by two lit LEDs.
Safety advices
The pump is constructed for indoor use only. Before working on the aquarium or
pump, the power plug has to be disconnected from the mains. The connection cable
and the power plug must not be changed. If the power cable is damaged, the pump must be
scrapped.
