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  9. Hayward Perflex EC50 User manual

Hayward Perflex EC50 User manual

PUMP SELECTION
To power your Perflex filter, select a continuous duty pump
designed for swimming pool service. The filter may be used
with a variety of Hayward bases and plumbing connections, or
with other suitable surfaces.
It is important to determine whether the pump will be located
above
or
below
the normal pool water line. If the pump is going
above
the water line, a
self-priming
centrifugal pump must be
used.
Self-priming
pumps can lift water from a lower level and
prime automatically. There is another type of pump simply
called the
centrifugal
. Unlike
self-priming
centrifugals which
can lift water from a lower level, a centrifugal must be located
below
the water line for dependable priming.
Select a pump with an output rating of between 30 and 65
GPM (114-246 LPM). Since 50 GPM (189 LPM) is the desired
maximum filter flow, a flow controller (part number EC1055) is
furnished with each unit for use with pumps rated between 40
and 65 GPM (151-246 LPM). Install the flow controller in the
filter body as illustrated
with an elbow adapter
(part number SP1105Z4)
or similar adapter. The
adapter secures the
controller in its proper
position.
FILTER LOCATION
Since plumbing fittings
offer a resistance to
water flow, locate the
filter as close to the
swimming pool as
practical. Keep the number of fittings to a minimum. Select
a well-drained area, one that will not flood when it rains.
Set the filter on a level platform or base. Keep the filter
“BUMP” handle, drain outlet, and pressure gauge accessible
for convenient operation. There is an alternate “BUMP”
handle location on the other side of the filter outlet.
Instructions for changing the handle position are covered
later.
Position the filter so the tank can drain by gravity.
PLUMBING
Use 1-1/2”flexible plastic pipe, or hose, joined with insert
fittings and stainless steel clamps. If rigid pipe is used, be
sure to provide unions for easy servicing.
Ball-style control valves are recommended.
All plumbing connections on the EC50 filter are 1-1/2”N.P.T.
When making connections to the filter, use plastic male-end
adapters. Apply three turns of Teflon tape or plastic pipe
sealant to the male threads.
IS50A-98
1.
2.
3.
1.
2.
3.
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.
MODEL EC50 SERIES
The Perflex Model EC50 is a high performance swimming pool filter with a filtration rating of 3,000 gallons (11 KL)
per hour. Manufactured from durable, corrosion-proof materials, it is designed for continuous operation, for
installation above or below the pool water line, and for fresh or salt water swimming pools. The EC50 filter uses
diatomite filter powder (commonly called D.E.). D.E. is the most efficient dirt remover known. It is normally fed into
the system through the skimmer when the filter is initially started; then drained from the filter when its dirt holding
capacity has been reached. Through Perflex’s exclusive “BUMP” action, the D.E. is periodically regenerated and
the filter cycle extended without changing the powder. When the filter powder is totally used, the “BUMP” action
makes it possible to drain the used diatomite without backwashing or dismantling the filter.
Screw the fitting into the thread hand tight; then, using a
wrench, tighten one more full turn. Additional tightening is
unnecessary and could result in broken or damaged fittings.
Refer to the diagrams for suggested valving.
Connect the pool suction plumbing between the skimmer,
pool outlet, etc., and the pump.
Connect pool return plumbing.
If pressure gauge is not installed, apply Teflon tape to the
gauge threads, and carefully screw the gauge into the
threaded hole in the 1-1/2” access plug/gauge adapter.
A drain plug is furnished with each filter and is all that is
needed for complete filter draining. If desired however,
drain piping may be extended from the filter by using the
optional Ball Drain Valve and an appropriate length of 1-1/2”
pipe. Piping must slope away from the filter so the tank can
drain by gravity.
DO NOT
use roll-flat type hose for drain
piping.
Check for joint leaks before operating the system.
BEFORE STARTING THE FILTER
Obtain a supply of operating chemicals, diatomite, and a
pool test kit. Use only the swimming pool grades of
diatomite, such as:
CELATOM . . . . . . . . . . . Eagle-Picher Industries, Inc.
AQUA-CEL . . . . . . . . . . Johns-Manville Products Corporation
DICALITE 4200 . . . . . . . Grefco, Inc.
WITCO . . . . . . . . . . . . . Witco Corporation
The EC-50 filter uses a 5 lb. (2.3 kgs.) charge of diatomite,
roughly 7 leveled coffee cans full, or 5 leveled scoops using
Hayward’s EC-10SC.
Superchlorinate the pool water by adding unstabilized
granular or liquid chlorine. Stabilized forms of chlorine are
recommended for normal daily use after the initial clean up
of the water. Follow chemical manufacturer’s recommendations
for superchlorination and daily use.
STARTING THE FILTER
Close the filter drain and the vent valve. All suction and
discharge valves must be open when starting the pump.
Failure to do so could cause severe personal injury and/or
property damage.
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 returning to the
pool, the filter is ready for precoating.
DO NOT
operate the
filter for more than one minute without the precoat charge.
PRECOATING
Scoop diatomite into the system through the skimmer as fast
as the plumbing will take it. Note and record the pressure
gauge reading after the diatomite has been added. This is the
“precoat pressure.”
FILTERING
Filtration starts as soon as the filter has been precoated. As
the filter removes dirt from the pool water, 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 Cycle)
Stop the pump. Move the bump handle down slowly, then up
briskly. Repeat 3 times. Restart the pump and filtration will
resume at near the original flow and pressure.
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
Cleaning is recommended when the gauge pressure rises
more than 10 psi (.70 Bar) in less than a 24 hour period or
when cloudy water returns to the pool for more than 30
seconds after regeneration. To clean, first stop the pump; then
move the bump handle down slowly, then up briskly. Repeat 8
times. Open the filter drain and open the vent valve (Note:
if the filter is installed below the pool water line, close the
suction and return valves) and allow water and dirt to empty
completely.
After the filter has drained, and with the drain still open, run the
pump for a few seconds to flush out any dirt remaining in the
bottom of the filter. (Note: If the filter is installed below the pool
water line, opening the
suction
valve for a few seconds with the
pump off will adequately flush the unit.)
Close the filter drain and the vent valve. Open the suction and
return valves (when used). Start the pump and let the filter
fill with water and repeat the CLEANING procedure. This
completes the cleaning phase. The filter is now ready for
recharging. Proceed as in STARTING THE FILTER and
PRECOATING.
VACUUMING
Vacuuming can be performed directly into the filter whenever
needed. For fastest results, regenerate the filter before and
after each vacuuming operation.
TO CHANGE BUMP HANDLE POSITION
Remove the bump handle grip. Carefully pry the bump
cover from the head retaining groove and slide the cover off
the handle.
Using a drift (or 10 penny nail), tap the pivot pin out of the
filter head anchor point, freeing the end of the handle.
Rotate the bump handle to the alternate position and align
the handle and the head anchor holes. Tap the pivot pin in
place.
Reinstall the bump cover and grip.
4.
5.
6.
7.
8.
9.
1.
2.
1.
2.
3.
4.
GAUGE/INSPECTION PORT ADAPTER
The gauge/inspection port adapter provides an easy way to
look into the filter at the “top” area of the tube nest assembly.
It gives a quick inspection capability to check tube nest
condition (algae, calcium or D.E. build-up, etc.) without
requiring removal of the filter head. It also allows you to wash
off trapped debris and excess D.E. from between the
Flex-Tubes and from under the tube sheet by spraying with a
garden hose, or use Hayward’s Jet-Action Cleaning Wand
(EC2024) which attaches to a garden hose.
To remove adapter—shut off pump and valves and drain
water in filter to below port. Unscrew adapter, with gauge,
counterclockwise.
To reinstall—thread adapter, with O-ring in place, securely
into filter housing.
PREVENTIVE MAINTENANCE
While Perflex filters are basically resistant to the difficulties
often encountered as a result of chemical build-up in swimming
pools, it is important to keep in mind that the mineral content
in a pool increases every day as a result of the chemicals
added and the normal water evaporation process. If the
concentration of minerals is allowed to get too high, the
minerals will form deposits on the Flex-Tubes inside the filter,
and will eventually result in shortened filter cycles. To guard
against this, a yearly chemical cleaning (soaking) of the
Flex-Tube assembly is suggested. Use commercially available
20% muriatic acid added to water in 1 to 1 ratio; or use other
commercial filter element cleaner mixed according to the
package instructions. Use a plastic container and take extreme
caution when handling cleaning agents as they can be harmful
to the eyes, skin and clothing. After cleaning, thoroughly flush
all affected parts with cold water.
PERFLEX SPECIFICATIONS
MODEL
NO.
EFFECTIVE
FILTRATION
RATE
FT2
25 M2
2.33
EC50
DESIGN
FLOW RATE
GPM
50 LPM
189
PRESSURE LOSS
AT DESIGN
FLOW RATE
PSI
1BAR
0.07
MAXIMUM
WORKING
PRESSURE REQUIRED CLEARANCE
SIDE ABOVE
PSI
50 BAR
3.45 IN
6MM
152 IN
10 MM
254
RECOMMENDED
AMOUNT OF
D.E.
LBS
5KGS
2.3
PARTS — MODEL EC50 FILTER
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
PART NO.
ECX11156
ECX10334
ECX11344
ECX1321A
ECX1011
ECX1040
ECX1037B
ECX100Z9
ECX4236
ECX4249
ECX1009
ECX9611246
ECX1014
ECX10271
ECX176855
ECX1077
ECX1004
ECX1003
ECX1032
SPX1500N1
SPX1500Y1
SP0723
ECX27091
ECX12866
ECX1287
ECX1256
ECX4077B1
ECX1028
ECX1055
DESCRIPTION
Bump Mechanism Cover
Filter Head w/Vent Valve
Filter Body w/Flow Diffuser
Vent Valve w/O-Ring
Thrust Washer
Bump Handle Assembly
Bump Handle Grip
Pivot Pin
Shoulder Screw
Locknut
Bump Shaft
O-Ring
Retainer
Filter Head Screw
Filter Head Nut
Washer
Tube Sheet (Top or Bottom)
Diaphragm Gasket
Flex-Tube™ Assembly
Tube Sheet Screw
Tube Sheet Nut
1-1/2”Ball-Type Drain Valve
Pressure Gauge, Back Mount
Gauge/Inspection Port Adapter
Adapter O-Ring
Flow Diffuser w/Check Valve
Check Valve
Decal — Operation
Flow Controller
NO.
REQ’D.
1
1
1
1
2
1
1
1
1
1
1
2
2
12
12
12
2
1
72
12
12
1
1
1
1
1
1
1
1
WINTERIZING
In areas where sub-freezing temperatures can be expected, the
filter should be drained and removed from its operating location
and stored indoors. Prior to removal, cycle the filter as
described under CLEANING.
SERVICE & REPAIRS
Consult your local authorized
Hayward-Perflex
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
Perflex 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 super-
chlorination.
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.
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?@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@?e?@)?@@@?V40Y?@0Ye?@g?@e@?V4@?e?V40Y?@??@@@?V+Y @?eV4@?f.R/?e@?e@0Y?@?e?(R4@?f?V40Y??@e@?eV/?@?.Y? @0Y?V/?@?.Y?he@0Y?@?e?@g?@?@0Y?@f@0Y?e?@e?@f?@e?V+M ?@he?.Y?@0Y?f?V/?f@?hf@?V+Y?eV/e@?g.Y?V/?fS,e?V+YgV+Y?he
I@M? @? ?@0Y
POOL CHEMISTRY GUIDELINES
ACTION REQUIRED TO CORRECT POOL CHEMISTRY
TO RAISE TO LOWER
SUGGESTED POOL CHEMISTRY LEVELS
pH
TOTAL ALKALINITY
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.
Rev. 12/98 ©1998 Hayward Printed in U.S.A.

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