HAYWARD S311SX 02 User Manual

IS311SX1 Rev A  
ProSeriesHIGH RATE  
SAND FILTERS  
Owner’s Manual  
Contents  
Product & System Warnings………2  
How It Works……….…………..…….…4  
Installation……….………………………4  
Initial Start-Up of Filter………….…..5  
Filter Control Valve Functions…...5  
Winterizing…………………………..…..5  
Replacement Parts……………………6  
Warranty….…………………………….….7  
Registration …………………….…….…8  
MODELS S311SX, S311SXV, S360SX  
IMPORTANT SAFETY INSTRUCTIONS  
Basic safety precautions should always be followed, including the following: Failure to follow instructions  
can cause severe injury and/or death.  
This is the safety-alert symbol. When you see this symbol on your equipment or in this manual, look for  
one of the following signal words and be alert to the potential for personal injury.  
WARNING warns about hazards that could cause serious personal injury, death or major property  
damage and if ignored presents a potential hazard.  
CAUTION warns about hazards that will or can cause minor or moderate personal injury and/or property  
damage and if ignored presents a potential hazard. It can also make consumers aware of actions that are  
unpredictable and unsafe.  
The NOTICE label indicates special instructions that are important but not related to hazards.  
Hayward Pool Products  
620 Division Street, Elizabeth, NJ 07207  
Phone: (908) 355-7995  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
1
WARNING Risk of Electric Shock. All electrical wiring MUST be in conformance with applicable local codes,  
regulations, and the National Electric Code (NEC). Hazardous voltage can shock, burn, and cause death or serious property  
damage. To reduce the risk of electric shock, do NOT use an extension cord to connect unit to electric supply. Provide a properly  
located electrical receptacle. Before working on any electrical equipment, turn off power supply to the equipment. To reduce  
the risk of electric shock replace damaged wiring immediately. Locate conduit to prevent abuse from lawn mowers, hedge  
trimmers and other equipment. Do NOT ground to a gas supply line.  
WARNING Risk of Electric Shock Failure to ground all electrical equipment can cause serious or fatal electrical shock  
hazard. Electrical ground all electrical equipment before connecting to electrical power supply.  
WARNING Risk of Electric Shock Failure to bond all electrical equipment to pool structure will increase risk for  
electrocution and could result in injury or death. To reduce the risk of electric shock, see installation instructions and consult a  
professional electrician on how to bond all electrical equipment. Also, contact a licensed electrician for information on local  
electrical codes for bonding requirements.  
Notes to electrician: Use a solid copper conductor, size 8 or larger. Run a continuous wire from external bonding lug to  
reinforcing rod or mesh. Connect a No. 8 AWG (8.4 mm2) [No. 6 AWG (13.3 mm2) for Canada] solid copper bonding wire to the  
pressure wire connector provided on the electrical equipment and to all metal parts of swimming pool, spa, or hot tub, and metal  
piping (except gas piping), and conduit within 5 ft. (1.5 m) of inside walls of swimming pool, spa, or hot tub.  
IMPORTANT - Reference NEC codes for all wiring standards including, but not limited to, grounding, bonding and other general  
wiring procedures.  
WARNING Risk of Electric Shock . The electrical equipment must be connected only to a supply circuit that is  
protected by a ground-fault circuit-interrupter (GFCI). Such a GFCI should be provided by the installer and should be tested on a  
routine basis. To test the GFCI, push the test button. The GFCI should interrupt power. Push reset button. Power should be  
restored. If the GFCI fails to operate in this manner, the GFCI is defective. If the GFCI interrupts power to the electrical equipment  
without the test button being pushed, a ground current is flowing, indicating the possibility of an electrical shock. Do not use this  
electrical equipment. Disconnect the electrical equipment and have the problem corrected by a qualified service representative  
before using.  
CAUTION – HAYWARD® pumps are intended for use with permanently-installed pools and may be used with hot tubs and  
spas if so marked. Do not use with storable pools. A permanently-installed pool is constructed in or on the ground or in a  
building such that it cannot be readily disassembled for storage. A storable pool is constructed so that it is capable of being  
readily disassembled for storage and reassembled to its original integrity.  
WARNING Risk of Hyperthermia. To avoid hyperthermia the following “Safety Rules for Hot Tubs” are recommended by  
the U.S. Consumer Product Safety Commission.  
1.  
Spa or hot tub water temperatures should never exceed 104°F [40°C]. A temperature of 100°F [38°C] is  
considered safe for a healthy adult. Special caution is suggested for young children. Prolonged immersion in  
hot water can induce hyperthermia.  
2.  
could lead to unconsciousness and subsequently result in drowning.  
3. Pregnant women beware! Soaking in water above 100°F [38°C] can cause fetal damage during the  
Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness, which  
first three months of pregnancy (resulting in the birth of a brain-damaged or deformed child). Pregnant women  
should adhere to the 100°F [38°C] maximum rule.  
4.  
mometer; spa or hot tub thermostats may err in regulating water temperatures by as much as 4°F (2.2°C).  
5. Persons taking medications, which induce drowsiness, such as tranquilizers, antihistamines or anti-  
coagulants, should not use spas or hot tubs.  
6. If the pool/spa is used for therapy, it should be done with the advice of a physician. Always stir pool/ spa  
Before entering the spa or hot tub, users should check the water temperature with an accurate ther-  
water before entering the pool/spa to mix in any hot surface layer of water that might exceed healthful  
temperature limits and cause injury. Do not tamper with controls, because scalding can result if safety controls  
are not in proper working order.  
7.  
problems should obtain a physician’s advice before using spas or hot tubs.  
8. Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above  
Persons with a medical history of heart disease, circulatory problems, diabetes or blood pressure  
normal body temperature of 98.6°F [37°C]. The symptoms of Hyperthermia include: drowsiness, lethargy,  
dizziness, fainting, and an increase in the internal temperature of the body.  
The effects of Hyperthermia include:  
1. Unawareness of impending danger.  
2. Failure to perceive heat.  
3. Failure to recognize the need to leave the spa.  
4. Physical inability to exit the spa.  
5. Fetal damage in pregnant women.  
6. Unconsciousness resulting in danger of drowning.  
SAVE THESE INSTRUCTIONS  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
3
Your Hayward ProSeries™ high-rate sand filter is a high performance, totally corrosion-proof filter that blends superior  
flow characteristics and features with ease of operation. It represents the very latest in high-rate sand filter technology. It  
is virtually foolproof in design and operation and when installed, operated and maintained according to instructions, your  
filter will produce clear, sparkling water with only the least attention and care.  
HOW IT WORKS  
Your filter uses special filter sand to remove dirt particles from the water. Filter sand is loaded into the filter tank and  
functions as the permanent dirt removing media. The pool water, which contains suspended dirt particles, is pumped  
through your piping system and is automatically directed by the patented filter control valve to the top of the filter tank. As  
the pool water is pumped through the filter sand, dirt particles are trapped 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 the piping  
system. This entire sequence is continuous and automatic and provides for total recirculation of pool water through your  
filter and piping system.  
After a period of time, the accumulated dirt in the filter causes a resistance to flow, and the flow diminishes. This means it  
is time to clean (backwash) your filter. With the control valve in the Backwash position, the water flow is automatically  
reversed through the filter so that it is directed to the bottom of the tank, up through the sand, flushing the previously  
trapped dirt and debris out the waste line. Once the filter is backwashed (cleaned) of dirt, the control valve is manually  
sequenced to Rinse, and then Filter, to resume normal filtering.  
INSTALLATION  
Only simple tools (screwdriver and wrenches), plus Teflon tape manufactured for plastic adapters, are required to  
install and/or service the filter.  
1. The filter system should be installed, not more than 6 feet above pool water level, on a level concrete slab, very  
firm ground, or equivalent, as recommended by your pool dealer. Position the filter so that the piping  
connections, control valve, and winter drain are convenient and accessible for operation, service and winterizing.  
2. Assemble a filter control valve to filter. Align the two (2) valve pipe connections, with 0-rings in place, with the two  
openings in the side of the filter tank and press in firmly. Secure the assembly to the tank connections with the  
two bulkhead locknuts. Do not overtighten.  
3. Assemble pump and pump mounting base (if supplied) to the filter according to instructions packed with the base.  
4. Loading sand media. Filter sand media is loaded through the top opening of the filter.  
a. Remove the top diffuser from the internal diffuser elbow pipe and place flexible, automatic air relief tube to the side,  
out of the way, inside the tank.  
b. Cap the internal diffuser elbow pipe with the sand shield  
provided to prevent sand from entering it.  
c. It is good practice to fill tank approximately 1/2 way with water to  
provide a cushioning effect when the filter sand is poured in.  
This helps protect the under-drain laterals from excessive shock.  
(Be sure the drain cap is securely in place on drain pipe.)  
Note: Check to confirm all laterals are in the down position before  
loading with sand. (See Figure A on Page 6.)  
d. Carefully pour in correct amount and grade of filter sand, as  
specified. Sand surface should be leveled and should come to  
about 6“ from the top of the filter tank. Use no more than the  
recommended amount of sand.  
e. Remove the sand shield from internal diffuser elbow pipe.  
f. Replace diffuser on internal diffuser elbow pipe, positioning  
automatic air relief tube through the hole provided in the  
diffuser.  
g. Wipe filter flange clean.  
h. Insert top closure dome (with flange 0-ring in place) into the tank  
neck. Place clamp around dome flange and tank flange and  
tighten with screwdriver, tapping around clamp with screwdriver  
handle to help seat flange clamp.  
Do not overtighten.  
5. Connect pump to control valve opening marked PUMP according to  
instructions. (For Slide valve use PORT B, middle port.) Make return  
to pool pipe connection to control valve opening marked RETURN  
(Port E bottom Port for Slide Valve) and complete other necessary  
plumbing connections, suction lines to pump, waste, etc.  
6. Make electrical connections to pump per pump instructions.  
7. To prevent water leakage, be sure drain cap is securely in place and  
all pipe connections are tight.  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
4
INITIAL START-UP OF FILTER  
1. Be sure correct amount of filter sand media is in tank and that all connections have been made and are secure.  
IMPORTANT: To prevent unnecessary strain on piping system and valving, always shut off pump before switching  
Filter Control Valve positions.  
2. Depress VariFlo® control valve handle and rotate to BACKWASH* position. (To prevent damage to control valve seat,  
always depress handle before turning.) For Slide Valve, set handle to BACKWASH* position. (Handle full down and  
LOCKED by twisting clockwise.)  
3. Prime and start pump according to pump instructions. (Be sure all suction and return lines are open), allowing the filter  
tank to fill with water.  
WARNING – Separation Hazard -All suction and discharge valves must be open when starting the  
system. Failure to do so could cause severe personal injury and/or property damage.  
4. Once water flow is steady out the waste line, run the pump for at least 2 minutes. This initial backwashing of the filter is  
recommended to remove any impurities or fine sand particles in the sand media.  
5. Turn pump off and set VariFlo valve to RINSE position (Not available on slide valve.). Start pump and operate until water in  
sight glass is clear—about 1/2 to 1 minute. Turn pump off, set valve to FILTER position (For Slide Valve twist Handle fully  
counterclockwise to open and pull up fully. ) Start the pump. Your filter is now operating in the normal filter mode,  
filtering particles from the pool water.  
6. Adjust pool suction and return valves to achieve desired flow. Check system and filter for water leaks and tighten  
connections, bolts, and nuts as required.  
7. Note the initial pressure gauge reading when the filter is clean. (It will vary from pool to pool depending upon the pump  
and general piping system.) As the filter removes dirt and impurities from the pool water, the accumulation in the filter  
will cause the pressure to rise and flow to diminish. When the pressure gauge reading is 6-8 PSI (0.41-0.55 BAR) higher  
than the initial "clean" pressure you noted, it is time to backwash (clean) the filter (see BACKWASH under Filter Control  
Valve Functions).  
NOTE: During 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.  
To prevent damage to the pump and filter and for proper operation of the system, clean pump strainer and skimmer baskets  
regularly.  
FILTER CONTROL VALVE FUNCTIONS  
FILTER—Set valve to FILTER for normal filtering. Also use for regular vacuuming. (Slide Valve handle up)  
BACKWASH—For cleaning filter. When filter pressure gauge rises 6-8 PSI (0.41-0.55 BAR) above start-up (clean pressure):  
Stop the pump, set valve to BACKWASH. (Slide Valve handle down and locked.)Start pump and backwash  
approximately 2 minutes or less depending on dirt accumulation until water in sight glass is clear. Proceed to  
RINSE.  
RINSE—After backwashing, with pump off, set valve to RINSE. Start pump and operate for about 1/2 to 1 minute. This ensures  
that all dirty water from backwashing is rinsed out to the filter to waste, preventing possible return to the pool. Stop  
pump, set valve to FILTER, and start pump for normal filtering.  
WASTE—To bypass filter for draining or lowering water level and for vacuuming heavy debris directly to waste.  
RECIRCULATE—Water is recirculated through the pool system, bypassing the filter.  
CLOSED—Shuts off flow from pump to filter.  
VACUUMING—Vacuuming can be performed directly into the filter. When vacuuming heavy debris loads, set valve to WASTE  
position to bypass the filter and vacuum directly out to waste.  
WINTERIZING  
1. Completely drain tank by unscrewing drain cap at base of filter tank. Leave cap off during winter.  
2. Depress VariFlo control valve handle and rotate so as to set pointer on valve top between any two positions. This will allow  
water to drain from the valve. Leave valve in this "inactive" position.  
3. Drain and winterize pump according to pump instructions.  
SERVICE & REPAIRS  
Consult your local authorized Hayward dealer or service center. No returns may be made directly to the factory without the  
expressed authorization of Hayward Pool Products, Inc.  
PLEASE REALIZE:  
Pure, clear swimming pool water is a combination of two factors—adequate filtration and proper water chemistry balance. One  
without the other will not give the clean water you desire.  
Your filter system is designed for continuous operation. However, this is not necessary for most swimming pools. You can  
determine your filter operation schedule based on your pool size and usage. Be sure to operate your filtration system long  
enough each day to obtain at least one complete turnover of your pool water.  
To properly sanitize your pool, maintain a free chlorine level of 1 to 3 ppm and a pH range of 7.2 to 7.6. Insufficient chlorine or  
an out of balance pH level will permit algae and bacteria to grow in your pool and make it difficult for your filter to properly  
clean the pool water.  
*NOTE: For new concrete or gunite pools, or where there is a large amount of plaster dust or debris—start filter in FILTER position (not BACKWASH) to prevent clogging of  
underdrain laterals.  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
5
SPECIFICATIONS  
REQUIRED CLEARANCE  
EFFECTIVE  
FILTRATION  
AREA  
MAXIMUM  
WORKING  
PRESSURE  
MEDIA REQUIRED  
TYPE AMOUNT  
MODEL  
NUMBER  
SIDE ABOVE  
INCH  
FT2  
M2  
PSI  
BAR  
MM  
INCH  
MM  
FILTER  
SAND**  
LBS  
KG  
S311SX  
S360SX  
5.0  
6.7  
.46  
.62  
50  
50  
3.45  
3.45  
18  
18  
460  
460  
18  
18  
460  
460  
.45-.55mm  
.45-.55mm  
350  
700  
160  
318  
**Also known as No. 20 Silica Pool Sand  
REPLACEMENT PARTS  
MODELS: S311SX, S360SX  
NO.  
REF  
NO  
1
2
3
4
5
6
7
PART  
NO.  
DESCRIPTION  
REQ  
DEX2400S  
SX200Z5  
SX244K  
GMX600F  
SX310N  
SX311AA2FW  
SX244G  
SX311CD1FW  
SX360CD1FW  
SX311CD2FW  
Air Relief Assy  
O-Ring  
Top Closure Dome  
Valve/tank O-ring  
Flange Clamp  
Filter Tank w/Base, S311SX  
Top Diffuser  
Top Elbow Assembly (S311SX)  
Elbow Assembly (S360SX)  
Bottom Elbow Assy (S311SX)  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
8a  
8b  
9
10  
11a  
11b  
12a  
12b  
13  
14  
15  
16  
17  
18  
19a  
19b  
19c  
20  
SX310HNPAK10 Lateral Pack of 10  
SX311DA  
SX242MA3  
CX1100Z4  
SX360Z2  
Lateral Holder Assy S311SX  
Lateral Holder Assy S360SX  
Plastic Air Tube (S311SX)  
Plastic Air Tube (S360SX)  
Air Tube Lock Screw  
Drain Cap Assy  
Pressure Gauge  
Filter Stand Support  
Square Seal  
Bulkhead Fitting w Seal  
1 ½” VariFlo Control Valve  
2” VariFlo Control Valve  
2” Slide Valve  
SX200Z2  
SX180LA  
ECX270861  
SX310J  
SX244Z1  
SX244PX  
SP0710X62  
SP715X62  
SP0410X602S  
SX200Z4  
O-Ring  
2
Temperature vs Maximum Pressure  
60.0  
50.0  
40.0  
30.0  
20.0  
10.0  
0.0  
70  
80  
90  
100  
110  
120  
130  
140  
150  
160  
Temperature °F  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
6
MAXIMUM RECOMMENDED SYSTEM FLOW RATE BY PIPE SIZE  
Pipe Size Flow rate Pipe Size Flow rate  
Pipe Size Flow rate  
[mm]  
1”  
[32]  
GPM [Liter/Min]  
20  
[75]  
[mm]  
1 ½”  
[50]  
GPM [Liter/Min]  
45  
[170]  
[mm]  
2 ½”  
[75]  
GPM [Liter/Min]  
110  
[415]  
1 ¼”  
[40]  
30  
[110]  
2”  
[63]  
80  
[300]  
3”  
[90]  
160  
[600]  
PROBLEM SOLVING LIST  
SHORT FILTER CYCLES  
LOW WATER FLOW  
POOL WATER WON'T CLEAR UP  
Check skimmer and pump  
strainer baskets for debris.  
Check for algae in pool and  
superchlorinate as required.  
Check chlorine, pH and total  
alkalinity levels and adjust as  
required.  
REMEDY  
Check for restrictions in intake and  
discharge lines.  
Be sure chlorine and Ph levels are in  
proper range (adjust as required).  
Check surface of filter sand for  
crusting or caking (remove 1 " of sand  
if necessary).  
Be sure flow rate through filter is  
sufficient.  
Check for air leak in intake  
line (indicated by bubbles  
returning to pool).  
Operate filter for longer periods.  
Be sure Vari-Flo valve is set on  
"Filter" position.  
Backwash filter.  
POOL CHEMICAL GUIDELINES  
ACTION REQUIRED TO CORRECT POOL CHEMISTRY  
SUGGESTED POOL CHEMISTRY LEVELS  
TO RAISE  
TO LOWER  
pH  
7.2 to 7.6  
Add Soda Ash  
Add Muriatic Acid or Sodium Bisulphate  
Add Muriatic Acid  
TOTAL ALKALINITY  
100 to 130 ppm  
0.3 to 1.0 ppm  
Add Sodium Bicarbonate  
Add Chlorine Chemical  
Add Chlorine Chemical  
CHLORINE (UNSTABILIZED)  
CHLORINE (STABILIZED)  
No action - chlorine will naturally dissipate  
No action - chlorine will naturally dissipate  
1.0 to 3.0 ppm  
40 to 70 ppm  
CHLORINE STABILIZER  
(Cyanuric Acid)  
Dilution - partially drain & refill pool with water that  
has not been treated with Cyanuric Acid.  
Add Stabilizer  
HAYWARD® Pool Products Limited Warranty  
To original purchasers of this equipment, Hayward Pool Products, Inc. warrants its sand filters to be free from defects in materials and workmanship for  
a period of ONE (1) year from the date of purchase, when used in single family residential applications.  
The limited warranty excludes damage from freezing, negligence, improper installation, improper use or care or any Acts of God. Parts that fail or  
become defective during the warranty period shall be repaired or replaced, at our option, within 90 days of the receipt of defective product, barring  
unforeseen delays, without charge.  
Proof of purchase is required for warranty service. In the event proof of purchase is not available, the manufacturing date of the product will be the  
sole determination of the purchase date.  
To obtain warranty service, please contact the place of purchase or the nearest Hayward Authorized Service Center. For assistance on your nearest  
Hayward Authorized Service Center please visit us at www.hayward.com.  
Hayward shall not be responsible for cartage, removal, repair or installation labor or any other such costs incurred in obtaining warranty replacements  
or repair.  
The Hayward Pool products warranty does not apply to components manufactured by others. For such products, the warranty established by the  
respective manufacturer will apply.  
The express limited warranty above constitutes the entire warranty of Hayward Pool Products with respect to its’ pool products and is in lieu of all other  
warranties expressed or implied, including warranties of merchantability or fitness for a particular purpose. In no event shall Hayward Pool products be  
responsible for any consequential, special or incidental damages of any nature.  
Some states do not allow a limitation on how long an implied warranty lasts, or the exclusion of incidental or consequential damages, so the above  
limitation may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.  
Hayward Pool Products  
620 Division Street  
*Supersedes all previous publications.  
Elizabeth, NJ 07207  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
7
PRODUCT REGISTRATION  
(Retain For Your Records)  
DATE OF INSTALLATION ____________________  
PURCHASED FROM _______________________  
MODEL _______________ SERIAL NUMBER _______________________  
Retain this Warranty Certificate (upper portion) in a safe and convenient location for your records.  
DETACH HERE: Fill out bottom portion completely and mail within 10 days of purchase/installation or register online.  
-----------------------------------------------------------------------------------------------------------------------------------------  
ProSeries SAND FILTER  
Warranty Card Registration  
Please Print Clearly:  
Years Pool has been in service  
< 1 year 1-3 4-5 6-10  
11-15  
>15  
First Name____________________ Last Name_________________________  
Street Address__________________________________________________  
City_____________________________ State___________ Zip____________  
Phone Number_____________________ Purchase Date_________________  
E-Mail Address__________________________________________________  
Serial Number  
Purchased from_____________________________  
Builder Retailer Pool Service Internet/Catalog  
Company Name_________________________________  
Address_______________________________________  
City____________________ State_____ Zip__________  
Phone_________________________________________  
Model Number_____________________________________________________  
Pool Capacity_______________(U.S. Gallons)  
Type of Pool:  
Concrete/Gunite  
Vinyl  
Fiberglass  
If your product contains components that have individual serial numbers, it is not  
necessary to complete warranty registration for those individual components.  
Instead, complete warranty registration only for the overall product, using the  
serial number that is located on the outside of the product packaging.  
Other_____________________________  
New Installation  
Replacement  
Please include me on all e-mail communications regarding Hayward® Equipment or promotions.  
Mail to: Hayward Pool Products, 620 Division Street, Elizabeth, NJ 07207  
Attn: Warranty Dept  
Installation for:  
In Ground  
Above Ground  
Spa  
Or REGISTER YOUR WARRANTY ON-LINE AT WWW.HAYWARD.COM  
Hayward and VariFlo are registered trademarks and ProSeries is a trademark of  
Hayward Industries, Inc.  
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS  
8

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