Aqua One moray 2300 Manuel - Page 9

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Installation 2300-4900

Before installation ensure the correct materials have

been prepared and the most suitable pump position has

been selected. As with all water pumps, the greatest

flow efficiency will be created through the shortest

length of pipe/hose and with the fewest number of

bends. Avoid reducing the size of the plumbing as this

will greatly reduce flow.

Note: flow is reduced less through 2 x 45° bends than

through a single 90° bend.

Flexible hose is recommended over rigid pipe as this will

reduce vibration of the pump. If using rigid plumbing, a

short piece of flexible hose between the pump and the

pipes will help to reduce vibration.

If there is a requirement to adjust the flow on your

pump, it is essential that in-line taps are used only on

the pressure (outlet) side of the pump. Restriction of

the suction (inlet) side of the pump can cause the motor

to overheat causing damage to the pump.

It is recommended that the strainer is used to prevent

fish or large objects from entering the motor unit

and damaging the impeller. Ensure the pump is fully

submersed to prevent air from entering the pump which

can result in significant loss of flow and potentially

cause damage to the motor.

If the pump is being used in a clean, animal free

environment the inlet elbow can be used. This gives

the pump the ability to pick up water from a lower point

reducing the risk of the pump running dry. NOTE: it is

always recommended that the pump be fully immersed

in water to avoid the unit overheating.

Maintenance

If these pumps are being used in salt water, they must

be checked regularly for buildup of calcium and other

deposits.

To maximise the life of your pump, it is recommended

to clean the pump casing and the impeller every 6-8

weeks or earlier if flow has decreased significantly.

Prior to cleaning, disconnect the pump from the

electrical power supply.

The casing of the pump and the strainer can be cleaned

with a firm brush. DO NOT USE DETERGENTS

AS THE USE OF THESE WILL BE POTENTIALLY

LETHAL TO AQUARIUM INHABITANTS. Any objects

on or around the strainer or inlet should be removed to

prevent potential blockages in the pump or damage to

the impeller.

Troubleshooting

LOW WATER FLOW

1. Check strainer, impeller and impeller chamber for

calcium buildup or other deposits or blockages.

water level

2. Ensure all taps or flow control valves are fully open.

3. Clean plumbing lines to and from the pump.

NO WATER FLOW

inlet elbow

1. Ensure all taps or flow control valves are fully open.

2. Check that maximum head height has no been

exceeded. Consider all bends and horizontal plumbing

when calculating head height.

3. Check impeller and shaft for damage.

PUMP IS NOISY

1. Ensure suction cups are correctly positioned.

2. Check for blockages on the pump inlet. Restriction of

inlet can cause vibration.

3. Check for damage to impeller or shaft.