Mega+ Filter Max MFV27A, Filter Max MFV24, Filter Max MFV20, Filter Max MFV17, Filter Max MFV27 User Manual
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Your “Filter Max” Filter is a high performance corrosionproof filter that has superior flow characteristics that is with
the ease of operation. Everything is made simple from
installation, operation to the maintenance of the filter. Your
“Filter Max” filter will be your pool filtration partner that
provides clear water with the least maintenance hassle and
care.
operation will depends on how dirty your filter is. Check the
sight glass to see when the water becomes clear. It is
recommended that the backwash should be at least 2 minutes
long.
Once the backwash operation had been completed, the filter
should go through the process of “Rinse” and then back to
“Filter”. To perform the different operations, position the
handle on the control valve as indicated.
INSTALLATION
Installation had been made simple, the only tools needed is a
screwdriver and pipe sealant for plastic.
The filter should be installed as close to the pool as possible,
but keep a distance of at least 5 feet (1.5m). Locate the Filter
on rigid, level surface, preferably in a dry, shaded, and wellventilated area. Prior to installation give consideration to
the following: Position of suction, return, and waste
connections. Access for backwashing operation and
servicing; protection from sun, rain, splashing, etc;
Drainage of filter room; Ventilation and protection of the
motor.
1/ Place the empty tank in position.
2/ Fill the tank with water to the level that covers the laterals
(crepinas), or about 1/3 of the tank height is recommended.
This will avoid damages to the laterals (crepinas) by the
force of the sand when pouring into the filter.
Model MFV17, the Multiport Control Valve had been preassembled. Remove the Multiport Control Valve from the
tank by unfastening the screw from the Clamp. Place the
Sand Fill Cover over the tank opening to prevent the sand
from getting into the standpipe.
Model MFV20, MFV24, 7A 7
MFV31, MFV35, the Sand Fill Cover had been pre-
assembled.
MFV2 , MFV2 , MFV31A,
WARNING
BE F O RE IN S TA L L ATI O N BE
S U R E T O R E A D A L L
INSTRUCTIONS AND WARNINGS
CAREFULLY. KEEP THIS USER MANUAL FOR
FUTURE REFERENCE.
HOW IT WORKS
The Filter uses special sand to remove dirt particles from
pool water. Filter sand is loaded into the filter tank to act as
the filtration media. The pool water which contains dirt
particles is pumped through your piping system to the filter
via the filter control valve. As pool water passes through the
filter, dirt particles will be caught by the sand bed and
filtered out. The cleaned pool water is returned from the
bottom of the Filter Tank, through the control valve and
back to the pool through your piping system. The entire
process is continuous and automatic. It is this process that
provides the filtration and circulation of water in your pool.
With the filtration process, dirt will accumulate and
becomes saturated in the filter tank. Pressure in the tank will
increase and the resistance of water flow will occur. This
means it is time to clean (backwash) your filter. Another
indication to know when to clean (backwash) the filter is by
checking the pressure gauge reading. Backwash operation
should be performed when the pressure increases by 10psi
above the pressure when it was clean. Typically a clean
filter will run at 10 to 15psi, so take note of the pressure
gauge reading when the filter was installed. When the
pressure reaches approximately 20 to 25psi or 50% increase
from the clean reading, proceed to the Backwash operation.
WARNING: turn off the pump before switching the control
valve handle.
To perform the Backwash operation, position the handle on
the control valve to “Backwash”, the water flow is
automatically reversed through the filter so the water is
directed from the bottom of the tank, up through the sand,
flushing the trapped dirt and debris out of the waste line.
The duration of the backwash
1-4
FILTER SMAX ERIES
MFV27A MFV31A MFV27
MFV31 MFV35
Add water to cover
laterals and add sand.
MFV17 MFV20 MFV24
1.Sand fill cover.
2. Place
on tank
opening.
3. Add water
to cover
laterals and
add sand.
MODEL: MFV17, MFV20, MFV24, MFV27A, MFV27,
MFV31A,MFV31, MFV35
MEFI 13031 601
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3/ Pour the recommended amount of sand into the tank,
making sure that the centre-pipe remains centred and
vertical.
4/ Level the surface of the sand upon completion.
5/ Remove the Sand Fill Cover.
6/ Carefully remove all sand particles from the valve
mounting surface.
7/ Place the O-ring into the groove on the tank.
8/ Lower the Multiport Control Valve carefully into position
so that its underside engages with the centre-pipe. Rotate
the valve until the inlet is approximately in line with the
pump.
9/ Place the clamp set around the tank and the valve. Secure
using the screw provided.
10/ Firmly tap with a rubber mallet outside of the clamps as
you tighten the screw.
11/ Tighten the screw until the Multiport Control Valve is
properly assembled to create a water tight seal. Do not over
tighten.
START-UP PROCEDURE
1/ Be sure the correct amount of filter sand media is in the
tank and all connections have been made and are secure.
2/ Turn the Control Valve handle to the “Backwash”
position. Press the handle downward before turning.
3/ Start the pump according to pump instruction manual (be
sure all suction and return lines are open).
4/ Once water flow is steady out the waste line, run the pump
for at least 2 minutes. The initial backwashing of the filter is
recommended to remove any impurities or fine sand
particles in the sand media.
5/ Turn the pump off and set the control valve to RINSE
position. Start pump and operate until water in sight glass is
clear about ½ to 1 minute. Turn pump off, set valve to
FILTER position and restart pump. Your filter is now
operating in the normal filter mode, filtering particles and
dirt from the pool water.
6/ Take note of the initial pressure gauge reading for future
reference. Variation may occur from pool to pool.
7/ Adjust pool suction and return valves to achieve desired
flow. Check system and filter for water leaks and tighten
connections, bolts, nuts as required.
NOTE: During the initial clean-up of the pool water, it
may be necessary to backwash frequently due to the
unusually heavy initial dirt load in the water.
IMPORTANT: To prevent unnecessary strain on piping
system and control valve, always turn off the pump before
changing the operation of the control valve. To prevent
damage to the pump and filter and for proper operation of
the system, clean pump strainer (basket) and skimmer
basket(s) regularly.
MULTIPORT CONTROL VALVE FUNCTIONS:FILTER gives downward flow through the filter bed. This
position can also be used for vacuuming.
BACKWASH gives upward flow through the filter bed that
removes the dirt from the sand and carries it to the waste.
WASTE is for pumping water from the pool. It allows the
flow from the pump to bypass the filter and go directly to the
waste. You can also use this position to vacuum heavy
concentration of debris.
RECIRCULATE bypasses the filter to circulate water
through the pool system.
RINSE gives a downward flow that settles the filter bed
after backwashing and carries any remaining loose dirt to
the waste.
CLOSED prevents only backflow of water from pool during
pump maintenance.
To WINTERISE, set the control valve handle in the middle
between RINSE and FILTER. This will allow air to leave or
enter the tank to help priming and draining. Only to be used
when the pump is off.
VACUUMING THE POOL
Light Soil: set the control valve to FILTER position.
Heavy Soil: set the control valve to WASTE position.
12/ Install the pressure gauge into the threaded opening on
the Multiport Control Valve.
13/ Install the union sets and the backwash union set.
14/ Connect pump to the control valve opening marked
“PUMP”.
15/ Make return to pool pipe connection to control valve
opening marked “RETURN”.
16/ Connect the waste water pipe to the control valve
opening marked “WASTE”.
17/ To prevent water leakage, be sure all pipe connections
are tight.
18/ Prior to starting the filtration process by turning on the
pump, we highly recommend that you read through the
pump instruction manual to ensure proper installation and to
avoid the risk of electric shock.
FIGURE3.-Clamp Installation
tap with a rubber
mallet and tighten the
screws.
TYPICAL INSTALLATION
Sand
Nozzle
Inlet
(From pump)
Outlet
(To pool)
Drain
Waste
pipe
Pressure Gauge
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2-4
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