Aqua Medic SP 3000 Manuale operativo - Pagina 3

Sfoglia online o scarica il pdf Manuale operativo per Acquari Aqua Medic SP 3000. Aqua Medic SP 3000 6. Dosing pump

5. Installation

• The pump may only be operated in the dry, it is not designed for submersed use. It should

be securely mounted using the keyhole slots provided in a dry place.

• The pump is self priming and should be mounted above the water level of the liquid

storage tank (see fig 1).

• The outlet should always be positioned above the aquarium or sump. If the pump stops

with the drive axle in the horizontal position then the pump will not act as a non return

valve. The air gap between the outlet hose and water prevents aquarium water being

syphoned back into the liquid storage tank (see fig 2).

• If small amounts of water need to be precisely dosed then a non return valve should be

placed in the inlet hose of the pump. This prevents the pressure tube emptying and ensures

that the same volume is dosed during each operating cycle (see fig 1).

1. Receiving vessel (Aquarium,

sump etc)

2. Dosing pump

SP 3000

3. Dispensing Vessel (Reservoir,

liquid supplement container etc

4. Non return valve

fig 1: Installation method for dosing from a dispensing vessel, including a non return

valve.

The non return valve will prevent water flowing back down the pressure hose. In any case

the outlet should always be positioned above the surface level of the receiving vessel. This

prevents the storage tank syphoning out should the pump stop with the drive axle in the

horizontal position..