Page 1
The ReGenX model RG450 is a high performance swimming pool filter with
a maximum flow rating of 2,700 gallons (10.2 KL) per hour. Manufactured
from Hayward’s exclusive PermaGlassXL™material, ReGenX is designed to
provide years of trouble-free operation.
FEATURES
Patent pending sunburst grid design ensures a balanced flow of water
through your filter.
Exclusive piston action regeneration instantly purges the grids of dirt and
debris—extending the cleaning cycle of the filter.
New glass reinforced, non-corrosive PermaGlassXL™ filter tank will
provide years of trouble-free operation.
Easy-Lok
™
ring design allows quick access to all internal components.
Unique safety latch prevents unwanted entry into the tank.
Self-venting design automatically purges any air present in the
system.
PUMP SELECTION
To power your ReGenX filter, select a
continuous duty pump designed for
above-ground pools, such as the
Power-Flo™ LX. As a general guide,
choose a pump with an average output
rating of at least 40-50 gallons (151-189
Liters) per minute. A flow controller is
furnished with each unit to ensure a
hydraulic balance which maximizes
performance of the filter system.
FILTER LOCATION
Though the filter is designed for outdoor use, it is advisable to
protect electrical components from the weather. Select a well-drained
area, one that will not flood when it rains.
For best pump performance, locate the system below the swimming
pool water line. If the system must be located above the pool water
line, it can be raised as high as 2 feet (0.61 m) above the pool water
line. (NOTE: PRIMING WILL TAKE LONGER AS PUMP IS RAISED HIGHER
ABOVE WATER LEVEL.)
Set the filter and pump on firm, level ground. Position the tank for easy
access to the internals, pressure gauge and piston knob, with at least
24” (61 cm) of top clearance in order to regenerate properly. Position
the filter so that it may drain by gravity.
PLUMBING
Use 1-1/4” or 1-1/2” I.D. flexible plastic pipe, or hose, joined with
insert fittings and stainless steel clamps. If rigid PVC is used, be sure
to provide unions for easy servicing.
All plumbing connections on the RG450 filter are 1-1/2” N.P.T. When
making connections, use plastic male-end adapters. Apply three turns
of Teflon tape or plastic pipe sealant to the male threads. Screw the
fitting into the threads hand tight; then, using wrench, tighten one more
full turn if necessary. Adapters have varying tolerances and
overtightening with a wrench may only cause damage to the filter.
Refer to the diagrams for suggested valving. Ball-type valves are
recommended where needed.
Securely hand tighten the union nut between the filter and pump.
Connect the pool suction plumbing between the skimmer, pool
outlet, and pump.
Connect the pool return (inlet) plumbing.
A filter drain valve or plug is furnished with each filter and is all that is
needed for complete filter draining. A manual air vent valve is
furnished to aid in the bleeding of unwanted air when starting or
draining the filter.
All electrical connections should be made in accordance with local
codes.
Refer to pump instruction book for pump information.
•
•
•
•
•
•
1.
2.
3.
3.
4.
5.
6.
7.
8.
9.
NOTE: ANSI/NSPI-4 Article V, standard for above-ground and
on-ground pools, advises that components such as the filtration system,
pumps and heater be positioned so as to prevent their being used as a
means of access to the pool by young children.
1.
*Not furnished with filter.
2.
ISRG450-98
MODEL RG450 SERIES
*
*
Page 2
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
—
19
20
NO.
REQ’D.
1
1
1
1
1
1
3
1
1
4
2
1
1
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1
1
1
1
1
1
1
PART
NUMBER
ECX27091
ECX1322A
RGX45B
RGX45G
RGX55GE
RGX45D
RGX45Z1
RGX45AA
RGX45L
RGX45R1
SPX1082Z410
RGX45K
RGX45J
RGX55PA
CX400D
RGX45R
RGX45F
ECX4077B1
ECX1005A
ECX1055
SP0723
DESCRIPTION
Pressure Gauge
Air Relief
Filter Head w/Lock Ring
Filter Head O-Ring
Grid Element
Diffuser
Diffuser Screws
Filter Body
Logo Cap
Retainer Ring
Piston O-Ring (pkg of 10)
Piston Knob
Seal Locator
Piston Mechanism
Locking Ring Latch
Piston Rod
Polyethelene Washer
Check Valve
Snap Ring for Check Valve
Flow Controller
1-1/2” Ball-Type Drain Valve
Model No.
Design Flow Rate
Pressure Loss at Design Flow Rate
Maximum Working Pressure
Required Clearance
Side
Above
Recommended Amount of Diatomite (D.E.)
RG450
30 GPM
1.0 PSI
50 PSI
18 IN
20 IN
2 LBS.
114 LPM
0.07 BAR
3.45 BAR
46 CM
51 CM
0.91 KGS.
MODEL RG450
P A R T S
S E R I E S F I L T E R
R
EGEN
X
SPECIFICATIONS
Page 3
BEFORE STARTING THE FILTER
Obtain a supply of operating chemicals, D.E. (or cellulose based
substitute), and a pool test kit. Use only the swimming pool grades
of D.E. Consult your local dealer for further information and brand
choices. In recent years, wood based cellulose products have been
used as an alternative filter media to D.E.
Superchlorinate the pool water by adding unstabilized granular or
liquid chlorine. Stabilized forms of chlorine are recommended for
normal use after the initial clean-up of the water. Follow chemical
manufacturer’s recommendations for superchlorination and daily
use.
STARTING THE FILTER
Be sure filter drain plug is closed. Open manual air vent valve a few turns
and open suction and return valves (when used). Caution: All suction
and discharge valves must be open before operating the filter
system. Failure to do so could cause severe personal injury
and/or property damage. Be sure the ReGenX Easy-Lok™ lid is secure
and locked.
Prime and start the pump following the manufacturer’s instructions. Air
trapped in the system will automatically vent to the pool. When there is
a steady flow of water back to the pool, the filter is ready for precoating.
Be sure to close the manual vent valve. DO NOT operate the filter for
more than one minute without the precoat charge.
PRECOATING
Scoop 2 lbs. (0.91 kgs) diatomite into the system through the skimmer as
fast as the plumbing will take it. Note and record the pressure gauge
reading after the diatomaceous earth has been added. This is the “precoat pressure.” If using a cellulose filter media use approximately 1-1/4
Hayward scoops (5/8 lbs. or 0.28 kgs). For more detailed information,
consult the manufacturer’s recommendations. Note and record the
pressure gauge reading after the cellulose filter media has been added.
This is the “precoat pressure.”
FILTERING
Filtration starts as soon as the filter has been precoated. As the filter
removes the dirt and debris from the pool, the accumulated dirt causes a
resistance to flow. As a result, the gauge pressure will rise and the flow
will decrease. When the pressure rises 7-10 PSI (.49-.70 Bar) above the
precoat pressure, regenerate the filter.
REGENERATION (EXTENDING THE CLEANING CYCLE)
Stop the pump. Unlock the piston knob. Move the piston up and down
rapidly 6-10 times. When finished, lock the piston knob back in the lower
position. Restart the pump and filtration will resume at or near the
original flow pressure. You have just “regenerized” your D.E. and extend ed
the cleaning cycle of your filter without backwashing, draining, or
cleaning, saving your chemically-treated water, D.E. and time.
After each regeneration, and until the filter is cleaned, there may be a
slight increase in the starting pressure. This is the result of dirt
accumulating within the filter and is completely normal.
CLEANING/REMOVING GRID ELEMENT
Recommended when the gauge pressure rises more than 10 PSI (0.70
Bar) in less than a 24 hour period.
Shut off the pump.
If filter is located below water level, close valves or block off
discharge line to prevent back flow of water from the pool that may
end up on your feet or unnecessarily lower your pool water level!
Unlock the piston knob and repeat regeneration process as
described in REGENERATION.
Open the filter drain and the vent valve located at the top of the
filter. This will accelerate the draining process.
Allow water and dirt to empty completely.
The filter should not have any water in it. Depress safety latch,
unscrew and remove Easy-Lok lid (counterclockwise direction).
Carefully lift off lid and piston assembly, straight up, to gain access
to the grid element.
Lift out grid element and clean as in the PREVENTATIVE
MAINTENANCE section below.
PREVENTATIVE MAINTENANCE
Pressure wash cartridge inside and
out with Hayward’s Jet-Action
Cleaning Wand (EC2024) or a
garden hose.
Allow to dry and brush pleated
surface areas.
To remove algae, suntan oil and
body oils, soak for one hour in a
solution of filter element cleaner.
(See your local pool dealer).
To remove calcium or mineral
deposits, soak in muriatic acid
solution.
*Caution: use a plastic container
and take extreme care—harmful
to eyes, skin and clothing.
After cleaning, flush with water.
REINSTALLING GRID ELEMENT
Clean any collected debris
from the bottom of the
filter body.
Carefully replace grid
element into the filter body
ensuring that the element
is even on the collector
hub in the bottom of the
filter body.
Place Easy-Lok lid so it
is level on filter body,
locating the notch under
the lock-ring directly over
the drain (See Fig. 1). Then turn clockwise until it engages and is
secured by the safety latch.
Proceed as in STARTING THE FILTER and PRECOATING.
1.
2.
1.
2.
3.
4.
5.
6.
7.
8.
1.
2.
3.
4.
1.
2.
3.
4.
CAUTION: Use a plastic container and take extreme care when
handling cleaning agents as they can be harmful to eyes, skin
and clothing. After cleaning, flush with water.
Muriatic
Acid
Water
Solution
Page 4
Hawyard grid elements are specially designed and engineered for use in
ReGenX filters. For best results, use only genuine Hayward elements in
your filter. The Hayward name is your guarantee of quality.
VACUUMING
Vacuuming can be performed directly into the filter whenever needed. For
fastest results, regenerate the filter before and after each vacuuming
period. For heavy spring clean-ups, we recommended using a Hayward
SP0727 diverter valve to bypass the filter and accelerate the clean-up
process. Consult your local Hayward dealer for a detailed explanation.
WINTERIZING
In areas where sub-freezing temperatures can be expected, the filter
should be drained and/or removed from its operating location and stored
indoors. Clean the grid element at the end of the pool season by using
your garden hose with a high pressure nozzle or the Hayward EC2024
Jet-Action™ Cleaning Wand. You will then be prepared to enjoy your
pool the next spring.
SERVICE AND REPAIRS
Consult your local authorized Hayward dealer or service center. No
returns may be made directly to the factory without the expressed
written authorization of Hayward Pool Products, Inc.
ALGAE CONTROL
Algae is a form of plant life which can vary in size from a few
thousandths of an inch to the size of a small tree. Of the many forms of
algae, those most frequently found in swimming pool water are
microscopic in size and green in color.
Algae readily grows in sunlight and can, under favorable conditions,
quickly overgrow a swimming pool turning it completely green in just a
few hours. On the other hand, swimming pool water can be kept
unfavorable to algae growth simply by maintaining a chlorine level of at
least 1.0 ppm in the water at all times. The chlorine level should be
checked at least once a day using a suitable test kit.
If an algae condition develops and the pool water “blooms” green,
superchlorination of the pool will be necessary to clear it. Add
unstabilized granular chlorine, or liquid chlorine. Follow chemical
manufacturer’s recommendation for superchlorination. The algae will
quickly become inactive and can then be removed by the filter . Live algae
on the other hand, multiplies so fast that the filter cannot keep up with
its growth rate. In an active algae situation, it may be necessary to
regenerate the ReGenX filter as frequently as every 2 to 3 hours.
When correctly used, commercial algaecides are effective against algae,
though algaecides should be used in conjunction with, and not as a
substitute for regular chlorination or superchlorination.
Maintaining a chlorine level of at least 1.0 ppm in the pool water at all
times is the most effective way to prevent algae growth in swimming
pools.
POOL CHEMISTRY GUIDELINES
ACTION REQUIRED TO CORRECT POOL CHEMISTRY
TO RAISE
TO LOWER
SUGGESTED POOL CHEMISTRY LEVELS
pH
TOTALALKALINITY
CHLORINE (UNSTABILIZED)
CHLORINE (STABILIZED)
CHLORINE STABILIZER
(Cyanuric Acid)
7.2 to 7.6
100 to 130 ppm
0.3 to 1.0 ppm
1.0 to 3.0 ppm
40 to 70 ppm
Add Soda Ash
Add Sodium Bicarbonate
Add Chlorine Chemical
Add Chlorine Chemical
Add Stabilizer
Add Muriatic Acid or Sodium Bisulphate
Add Muriatic Acid
No action - chlorine will naturally dissipate
No action - chlorine will naturally dissipate
Dilution - partially drain & refill pool with water
that has not been treated with Cyanuric Acid.
©1998 Hayward Printed in U.S.A.
Rev. 12/98
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