Magnum MFM-PS User Manual download pdf

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585-533-1349

REV: 03.01.2002

FREQUENTLY ASKED QUESTIONS

IMPORTANT

Aprimary objective in a swimming pool is to have clear, clean water. This is only achieved through a combination of good

filtration and proper water chemistry.

Your filtering system must operate long enough each day to effectively turn the total volume of your pool atleast once. This

is normally achieved in an 8-10 hour period, however you should determine the time required for your specific pool based on

the pool volume and the average flow rate of your pump. All of the pumps that Jacuzzi manufactures are designed for

continuous duty, although it is not required for most pools.

Proper water chemistry is critical to maintain clean, clear, sanitized water. You should consult with your pool dealer on the

chemicals required and the schedule in which to dispense them. The guidelines for proper water balance require maintaining

a free chlorine level in your pool of 1 to 3 ppm and a PH of 7.2 to 7.6. If these are not maintained, algae and bacteria will

grow in your pool which will require your filter system to work overtime to clean the water .... if at all, depending upon the

severity of the condition.

PUMPS

Your swimming pool pump is the heart of your filtering system. It is typically powered by either a 115 or 230 volt motor

with single phase power. It spins a "wheel" inside the pump case (called an impeller) that develops the pressure that

circulates the water. The pump is equipped with a strainer case which houses a basket that is used to capture debris that

could clog the impeller. It is important to keep the strainer basket cleaned out so that the pump can get all the water it needs

to perform properly.

Why is there a continuous stream of tiny (air) bubbles in my pump strainer?

• The strainer cover may be loose, cracked, or the o-ring seal may be damaged or missing. Inspect and replace if necessary.

• Check the water level in the pool, it may be too low allowing air to reach the pump through the skimmer. The skimmer weir

door may be stuck in the up position not allowing water to enter the skimmer. Also, check for toys blocking the skimmer

opening.

• Check for a suction leak, by turning the pump off and inspecting suction piping and fittings for leaks.

Why is there one big air bubble in my Magnum Force strainer?

• Don't worry about it! When first "priming" and starting a pump, the high velocity and turbulence of the water coming into

the pump strainer normally captures any air in the pump strainer and carries it back to the pool. The combination of the "flap"

and the 2" suction port on your Magnum Force minimize water velocity and turbulence, so the water coming into your pump

basically "ignores" the air bubble that may have collected above the "flap" during "priming". This air bubble is not the result

of a "suction leak". It has no effect on the performance of the pump. Your Magnum Force will give you 100% performance.

My pump is running but I have no pressure at the pool, why?

• This is a common misconception. You actually have a lot of pressure but very low water flow. This is usually caused by a

dirty filter. You can verify this by reading the pressure on your filter pressure gauge. If the filter is clean, it will normally read

10-15 psi, when dirty it will read 20-25 psi. If it is dirty, clean or backwash the filter and the pressure should go down in the

filter allowing full flow of water back to your pool.

• Check for a partially closed valve in the return line or some other type of blockage in the return line. The impeller could also

be clogged with debris.

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FREQUENTLY ASKED QUESTIONS 1

Summary of Contents

Page 1 - FREQUENTLY ASKED QUESTIONS

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)50Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 2

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)51Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 3

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)52Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 4

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)53Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 5

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)54Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 6

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)55Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 7

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)56Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 8

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)57Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

Page 9

Call us for your Jacuzzi®part needs!1-888-JB-PARTS (527-2787)58Visit us on the web...http://www.jbparts.comHave a parts list? Send us a fax.585-533-1

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