Aquatools At11523 User manual

HIGH RATE SAND FILTER SYSTEM

For Above Ground Swimming Pools

O W N E R’ S M A N U A L

INSTALLATION, OPERATION & PARTS

Aquatools

293 Wright Street, Delavan, WI 53115

North America: 800-752-0183, FAX 800-582-2217

International: 262-728-5551, FAX: 262-728-4461, TELEX: ITT 4970245

839 0494

Pump Parts

System Series Number Pump No. Horsepower On Page:

AT11523, AT11823, AT12023, AT11526, AT11826, AT12026 AT2407110 3/4 15

AT11524, AT11824, AT12024, AT11525, AT11825, AT12025 AT2407130 3/4 15

AT11521, AT11821, AT12021 AT2407120 3/4 16

AT11533, AT11833, AT12033, AT11536, AT11836, AT12036 AT2410110 1 15

AT11534, AT11834, AT12034, AT11535, AT11835, AT12035 AT2410130 1 15

AT11531, AT11831, AT12031 AT2410120 1 16

AT11843, AT12043, AT11846, AT12046 AT241501 1-1/2 15

AT11844, AT12044, AT11845, AT12045 AT241503 1-1/2 15

AT12041 AT2411120 1-1/2SPL 16

AT12040 AT2024 1-1/2 15

AT11544, AT11840 AT2411 1-1/2 15

This manual should be furnished to the end user

of this system; its use will reduce service calls and

chance of injury and will lengthen system life.

HIGH-RATE SAND FILTER SYSTEM

To avoid unneeded service calls, prevent possible injuries, and get the most out of your

filter, READ THIS MANUAL CAREFULLY!

The Aquatools High Rate Sand Filter System:

• Is designed to circulate and filter water in above ground swimming pools.

• Offers quiet, efficient performance and is durable, reliable.

The Aquatools High Rate Sand Filter System Pool Pumps:

• With a 3’ cord or no cord, use with permanently installed pools ONLY

(see CAUTION #7, below).

• With a 25’ cord, use with storable pools ONLY (see CAUTION #8, below)

Table of Contents

Safety Instructions..........................................................................................3

Specifications/Dimensional Data...................................................................4

General Information......................................................................................5

Installation .................................................................................................5-7

Filter Mount/Piping.....................................................................................5

Filter Set-up................................................................................................6

Loading Sand Media...................................................................................6

Valve Installation.....................................................................................6-7

Electrical .......................................................................................................8

Startup/Operation..........................................................................................9

Maintenance .................................................................................................9

Storage/Winterizing.....................................................................................10

Mult-Port Valve Service ...............................................................................11

Valve Removal.............................................................................................11

Pump Service ..............................................................................................12

Troubleshooting Guide................................................................................13

Repair Parts List......................................................................................14-17

Warranty .....................................................................................................18

IMPORTANT SAFETY INSTRUCTIONS

When installing and using electrical equipment, basic safety precautions should always be followed,

including the following:

SAVE THESE INSTRUCTIONS

1. READ AND FOLLOW ALL SAFETY INSTRUCTIONS.

2. To reduce the risk of injury, do not permit

children to use this product unless they are closely super-

vised at all times.

3. Risk of electrical shock. Connect only to a

grounding type receptacle protected by a ground-fault cir-

cuit-interrupter(GFCI).Contactaqualifiedelectricianifyou

cannot verify that the receptacle is protected by a GFCI.

4. Do not bury cord. Locate cord to minimize abuse from

lawn mowers, hedge trimmers, and other equipment.

5. To reduce the risk of electrical shock,

replace a damaged cord immediately.

6. To reduce the risk of electrical shock, do

not use an extension cord to connect unit to electrical sup-

ply; provide a properly located outlet.

7. Permanentpoolpumpsareforusewithper-

manently installed pools and may also 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 dis-

assembledforstorage.Astorablepoolisconstructedsothat

itmaybereadilydisassembledforstorageandreassembled

to its original integrity.

8. Storable pool pumps are for use with

storablepoolsonly. Do not use with permanently installed

pools. A storable pool is constructed so that it is capable

of being readily disassembled for storage and reassembled

to its original integrity. A permanently installed pool is

constructed in or on the ground, or in a building, such that

it cannot be readily disassembled for storage.

This is the safety-alert symbol. When you see

this symbol on your valve or in this manual, look

for one of the following signal words and be alert to

the potential for personal injury.

warns about hazards that will cause se-

rious personal injury, death or major property damage

if ignored.

warns about hazards that can cause seri-

ous personal injury, death or major property damage

if ignored.

warns about hazards that will or can

cause minor personal injury or property damage if ig-

nored.

The label NOTICE indicates special instructions

which are important but not related to hazards.

Carefully read and follow all safety instructions in

this manual and on system.

Keep safety labels in good condition.

Replace missing or damaged safety labels.

Incorrectly installed or tested equip-

ment may fail, causing severe injury or

property damage. Read and follow in-

structions in owner's manual when installing and op-

erating equipment. Have a trained pool professional

perform all pressure tests.

1. Do not connect system to a high pressure or city

water system.

2. Use equipment only in a pool or spa installation.

3. Trapped air in system can cause explosion. BE

SURE all air is out of system before operating or

testing equipment.

Before pressure testing, make the following safety

checks:

• Check all clamps, bolts, lids, and system accessories

before testing.

• BE SURE all air is out of system before testing.

• Tighten Aquatools trap lids to 30 ft. lbs. (4.1 kg-cm)

torque for testing.

• Water pressure for test must be less than 25 PSI (172

kPa).

• Water temperature for test must be less than 95˚ F.

(35˚ C).

• Limit test to 24 hours. After test, visually check sys-

tem to be sure it is ready for operation. Remove trap

lid and retighten hand tight only.

NOTICE: These parameters apply to Aquatools equip-

ment only. For non- Aquatools equipment, consult

manufacturer.

Hazardous Pressure!

Can cause tank

explosion.

WHEN USING SYSTEM:

Do not test with

compressed air

or operate above

rated pressure.

Hazardous voltage.

Can shock, burn,

or cause death.

BEFORE WORKING

ON PUMP OR MOTOR:

Unplug pump motor.

Hazardous suction.

Can trap or tear

hair or body parts,

causing severe injury

or death.

WHEN USING SYSTEM:

Do not block pump

suction or pool main

drain.

READ AND FOLLOW SAFETY INSTRUCTIONS!

1-1/2" NPT

Return to Pool

(Union Connection)

1-1/2" NPT

Suction

Connection

1-1/2" NPT

Waste Outlet

(Union Connection)

2-13/16

11 3156 0298

Drain

Plug

(To Tank

Flange)

2-5/16

9-1/16

11-1/4

Tank

Dia.

3157 0298

TABLE I - OUTLINE DIMENSIONS IN INCHES (mm)

Filter Model A B C D E

15”(406mm) Filters 24 (610) 30-7/8 (784) 15-3/4 (400) 21-11/16 (551) 26-1/16 (662)

18”(457mm) Filters 26-9/16 (675) 33-5/16 (846) 17-3/4 (451) 24-1/4 (616) 27-1/16 (692)

20” (508mm) Filters 28-11/16 (729) 34-7/16 (875) 20-3/4 (527) 26-3/8 (670) 28-9/16 (725)

TABLE ll - FILTER SPECIFICATIONS AND OPERATING INFORMATION

FILTER MODEL: 15” 18” 20”

(AT115 Series) (AT118 Series) (AT120 Series)

Effective Filter Area 1.26 Ft.2(.117M2) 1.57 Ft.2(.223M2) 2.18 Ft.2(.203M2)

Max. Flow Rate 25.2 GPM(95 L/m) 31.5 GPM(123 L/m) 43.6 GPM(165 L/m)

Max. Operating Pressure 50 PSI(345 kPa) 50 PSI(345 kPa) 50 PSI(345 kPa)

Max. Operating Temperature 95° F(35°C) 95° F(35°C) 95° F(35°C)

Turnover in Hours:

6 Hours 9,070 Gal.(34 330 liters) 11,340 Gal.(42 922 liters) 15,700 Gal.(59 424 liters)

8 Hours 12,100 Gal.(45 799 liters) 15,120 Gal.(57 229 liters) 20,930 Gal.(79 220 liters)

10 Hours 15,120 Gal.(57 229 liters) 18,900 Gal.(71 536 liters) 26,160 Gal.(99 016 liters)

12 Hours 18,144 Gal.(68 675 liters) 22,680 Gal.(85 844 liters) 31,390 Gal.(118 811 liters)

Qty. of Media Required:

Cu. Ft. (cm3) 1(28 320cm3) 1.5(42 255cm3) 2(56 923cm3)

Weight in lbs.(kg) 100(45,4 kg) 150(68 kg) 200(90,7 kg)

NOTE: 1 cubic foot (28 320 cm3) of sand weighs approximately 100 lbs. (45,4kg). DO NOT use a finer grade of sand than recommended.

RECOMMENDED SAND GRADES:

Use only: #20 Silica Sand, Size Range .40-.55mm., Uniformity Coefficient less than 1.75.

NOTICE: Use of other sands will reduce filter performance, may damage pump, and will void warranty.

Recommended:

1. Wedron Silica/Best Sand Co., Sand Grade: Wedron .45-.55mm., Effective Size .46mm, Uniformity Coefficient 1.22.

2. U.S. Silica - Silurian Filter Sand, Sand Grade.45-.55 mm., Effective Size .48mm, Uniformity Coefficient 1.18.

Figure 1 - Dimensions

GENERAL INFORMATION

•Clean a new pool as well as possible before filling

pool and operating filter. Excess dirt and large particles

of foreign matter in the system can cause serious dam-

age to the filter and pump.

NEVER test this filter with compressed air.

Do not operate filter at water temperatures above

95°F (35°C).

NEVER operate this filter system at more than 50

pounds per square inch (50 PSI/345 kPa) pressure!

Plug system into electrically isolated, Ground Fault

Circuit Interrupter protected circuit ONLY!

• Clean a new pool as well as possible before filling

pool and operating filter. Excess dirt and large particles

of foreign matter in the system can cause serious dam-

age to the filter and pump.

• Keep pool water pH at recommended level (7.2 to 7.6)

to avoid irritation to eyes and skin.

• The Hi-Rate Sand Filter System is designed for use

with above ground swimming pools only.

• Use only #20 Silica sand with a screen mesh of .45 to

.55mm. Use of other sands will reduce filter perfor-

mance. To reduce risk of electric shock, install

pump at least 10 feet from the inside wall of the pool.

Do not use an extension cord.

INSTALLATION

Trap to Pump Assembly:

Using four 5/16” cap screws, flat washers and lockwashers,

mount trap to pump body; be sure to install gasket be-

tween trap and pump body. Tighten cap screws to 80 inch-

lbs (92 cm-kg) torque; do not overtighten.

Filter Mount Must:

• Provide weather and freezing protection.

• Provide space and lighting for easy access for routine

maintenance. (See Table I and Figure 1, Page 4, for

space requirements.)

• Be on a reasonably level surface and provide adequate

drainage.

• Be as close to pool as possible to reduce line loss from

pipe friction.

• Be solid – level– rigid – vibration free.

• Be installed so that trap suction inlet is below pool

water level at all times. This allows pump to prime.

• Have adequate ventilation to prevent motor overheat-

ing.

Piping:

• Use teflon tape or Plasto-Joint Stik1on all male con-

nections of plastic pipe and fittings except unions. DO

NOT use pipe compounds on plastic pipe; it will

cause the pipe to crack. Do not use sealant or tape on

unions – assemble them dry and hand tight.

• Do not damage union sealing surfaces and “O” Rings.

• Support pipe independently to prevent strains on filter

and valve.

• Use 1-1/2 or 2” pipe to reduce pressure losses as

much as possible. If flex hose is used, use the type

with smooth internal walls.

• Fittings restrict flow; for best efficiency use fewest pos-

sible fittings.

• Keep piping tight and free of leaks: pump suction line

leaks may cause trapped air in filter tank or loss of

prime at pump; pump discharge line leaks may show

up as dampness or jets of water.

• When unions are provided, use as follows for leak free

connections:

1. O-Ring and sealing surfaces must be clean.

2. Assemble hand tight only (no wrenches).

3. No pipe compound or teflon tape on unions.

Valves:

• For servicing filter system and for cleaning pump trap,

install ball or gate valves

A. Between pump trap and pool skimmer, and

B. Between selector valve and return pipe to pool.

• A check valve installed between filter and heater will

prevent hot water from backing up into filter and de-

forming internal components.

• Use care before assembly not to damage union sealing

surfaces or O Ring.

Wastewater:

• Be sure all provisions for waste water disposal meet

applicable local, state or national codes. 100 gallons

(379 liters) or more of pool water will be discharged

during filter backwashing. Do not discharge where

water will cause flooding or damage.

1Lake Chemical Co., Chicago, IL

Filter Setup

Assembly: See Figures 2 through 5 for filter assembly.

Loading Sand Media

1. To keep sand out of collector assembly, place plastic

sand shield over top of collector tube before pouring

sand into filter (See Figure 5).

2. To support laterals and prevent lateral breakage dur-

ing loading, fill tank about half full of water before

loading sand.

3. Pour sand into filter tank. See “Recommended Sand

Grades”, Page 4, for correct type and quantity of sand

to use.

NOTICE: Make sure gasket area on top of tank is free

of sand before installing valve and clamp.

4. Before installing valve, double-check that correct

quantity of sand has been loaded (see Page 4).

5. Remove plastic sand loading shield and keep for fu-

ture use. Valve Installation:

See Figures 6, 7, and 8

1. Install O-Ring on valve flange; make sure O-Ring is

clean, dry, and has no nicks, tears, or scrapes.

2. Make sure tank and valve flanges are clean and free

of sand; put valve on top of tank. Vertical pipe of

collector assembly inserts into base of valve.

3. Install clamp; make sure knob is positioned for easy

access for filter maintenance. Valve port labeled

“PUMP” must align with pump discharge port.

4. Tighten clamp knob until clamp ends (under bolt)

are 1/4” (6mm) apart. Tap around outside of clamp

with a mallet to help seat clamp.

Hazardous pressure. Clamp will not

hold unless it is seated properly! DO NOT START

PUMP until clamp ends are 1/4” (6mm) apart or

less.

5. If clamp will not pull up to 1/4” (6mm) gap, wait

15-30 minutes and retighten. Tap clamp gently with

mallet to help seat clamp.

6. Tape hose fitting threads with 2-3 turns of teflon

tape; install hose fittings in valve “PUMP” port and

in pump discharge port. See Figure 8.

7. Lubricate both ends of connecting hose sparingly

with dish soap or petroleum jelly. See Figure 9.

8A. Push hose onto barbed fitting in valve port until it

butts against octagonal ring. Slide 2 hose clamps

onto hose. See Figure 10.

8B. Tighten hose clamp at valve port on shank of hose

barb (

not

on ridges).

9A. Push hose onto barbed fitting in pump discharge

port until it butts against octagonal ring. See

Figure 11.

9B. Tighten hose clamp at valve port on shank of hose

barb (

not

on ridges).

B. Insert assembly

into top of

filter tank.

A. Insert first lateral into socket;

twist clockwise 1/4 turn

to lock lateral into hub.

Lateral is correctly installed

when slots face down.

731 0294

C. Hold assembly up

near top of tank and

add remaining

laterals.

732 0294

D. After all

laterals are

securely in

sockets,

position

assembly on

centering

boss in

bottom of

tank.

733 0294

::::

::::::::

::::

::::::::

::::

Fill tank

about

half full

of water

before

adding

sand.

Sand Shield

keeps collector

hub assembly

clean when

loading filter.

734 0294

Figure 2

Figure 3

Figure 4

Figure 5

10. Complete all plumbing connections (see Page 5 for

piping requirements).

A. Pipe from valve RETURN port to pool return.

B. Pipe from valve WASTE port to waste.

C. Suction piping from pool to trap inlet on pump.

11. System is ready for startup.

NOTICE: If there are leaks from beneath valve/clamp

area, STOP PUMP, release all pressure, remove clamp

and valve and clean sealing surfaces.

Follow directions under “Valve Installation”, Page 6,

when reinstalling valve. See Figures 6 and 7.

3114 1197

Align

Ports

Port labeled "PUMP"

should align with pump

discharge port.

Install clamp

and tighten

until clamp

ends (under

bolt) are 1/4"

apart.

If unable to

close gap

to 1/4" or less,

wait 15-30

minutes and

retighten.

Tap around

clamp while

tightening to

help seat

clamp.

Aquatools

.WATERFORD,WI.

53185

USA

3119 1197

1/4" Max.

Figure 6

Figure 7

3115 1197

Tape Threads with

teflon tape

Figure 8

Dishwashing

Soap

Dishwashing

Soap

3116 1197

Figure 9

ELECTRICAL

Risk of electrical shock.

Plug pump into a

grounded, GFCI-protected 115

Volt circuit only. Incorrect

voltage can cause fire or seri-

ously damage motor and voids

warranty. Protect cord from

water and physical damage.

GFCI tripping indicates

an electrical problem. If

GFCI trips and will not reset,

have a qualified electrician in-

spect and repair electrical sys-

tem.

Risk of electrical

shock. Unplug motor before

servicing or repairing pump or

motor.

Wiring:

Install a Ground Fault Circuit Interrupter (GFCI) in cir-

cuit; it will sense a short-circuit to ground and discon-

nect power before it becomes dangerous to pool users.

For size of GFCI required and test procedures for GFCI,

see manufacturer’s instruction.

In case of power outage, check GFCI for tripping (which

will prevent normal water circulation). Reset if neces-

sary.

Match circuit breaker size to Table III below.

• Do not modify cord, plug, or receptacle. If an existing

circuit must be used and the receptacle and plug do

not match exactly, consult a licensed electrician.

• Do not use an extension or drop cord with this system;

it could cause a fire hazard or low voltage problems.

Wet cords cause shock hazards. Extension cords can

easily become cut or frayed and dangerous when

placed across yard areas or walkways.

Voltage:

Voltage at motor must be not more than 10% above or

below motor nameplate rated voltage or motor may

overheat, causing overload tripping and reduced compo-

nent life. If voltage is less than 90% or more than 110%

of rated voltage when motor is running at full load, con-

sult power company.

Table III–Recommended Fusing Data, 115 Volt 60 Hz Motors.

Branch

Pump Full Load Circuit Breaker

Model No. Amps Rating (Amps)

AT2407121 9.4 15

AT2410121, AT2411121 11.9 15

AT2407111/AT2407131 9.0 15

AT2410111/AT2410131 12.0 15

AT2024SPL/AT2411131 12.0 15

AT241501/AT241503 16.0 20

NOTICE Values given are for pump motor only. Do not put any

other accessories on this circuit.

Hazardous voltage.

Can shock, burn,

or cause death.

Disconnect power

before working

on pump or motor.

3118 1197

Butt hose against ring;

tighten clamp on shank

(not ridges).

Figure 11

Butt hose against ring;

tighten clamp on shank

(not ridges).

3117 1197

Figure 10

Startup/Operation (See Figure 9)

Hazardous suction. Can trap and tear hair

or body parts and can cause drowning. Do not block

pump suction. Small children using pool must ALWAYS

have close adult supervision.

Hazardous pressure. To avoid explosion

and possible severe or fatal injury, filter system pressure

must not exceed 50 PSI (345 kPa) under any circum-

stances. NEVER test this filter system with compressed

air; never operate system with water temperature above

95° F (35° C).

To prevent equipment damage and possible

injury, turn pump OFF before changing valve position.

NOTICE: Do not add chemicals directly into the pool

skimmer. Adding undiluted chemicals may damage

equipment and void warranty.

1. Open system valves and make sure pump is filled

with water.

Make sure pool water level is above skimmer or the

suction outlet.

2. With pump OFF, set valve to ‘BACKWASH’ position.

3. Start pump, circulating water backwards through fil-

ter to waste.

4. Backwash until water runs clear (3-5 minutes).

5. Stop pump; set valve to ‘RINSE’ position.

6. Start pump; run pump for one minute.

7. Stop pump; set valve to ‘FILTER’ position.

8. Filter is now ready for service.

9. Record clean starting filter pressure gage reading as a

reference.

10. When pool is first filled, backwash once a day until

pool water is sparkling clear. After that, backwash

when pressure gage shows 5 to 7 PSI (34.5 to 48

kPa) higher than starting pressure.

MAINTENANCE

General:

• Wash outside of filter with a mild detergent and water.

Rinse off with hose.

NOTICE: DO NOT use solvents to clean filter; sol-

vents may damage plastic components in system.

• Inspect sand bed at least once a year to remove for-

eign material which has not been backwashed out of

system.

NOTICE: When the sand bed gets hard and crusty on

top, remove all the old sand and replace it with new

sand.

Weekly Pool Equipment Inspection:

1. Check pressure during operation. When pressure is 5

to 7 PSI (34.5 to 48 kPa) higher than initial operating

pressure, backwash filter (see instructions under

“Startup/Operation”).

2. Except during hot weather with heavy swimmer loads,

operating filter 6 to 12 hours per day should be suffi-

cient. Carefully monitor water chemical balance and

follow recommendations of your local pool profes-

sional.

Water Maintenance

• Keep water level at least two inches above bottom of

skimmer opening when system is not in operation.

Failure to do so can allow air to enter system, causing

pump to lose prime and filter to entrap air.

• Maintain pH at 7.2 to 7.6 in pool.

To prevent damage to system components, keep

water temperature below 95° F. (35° C) at all times.

Vacuum Pool:

1. Fill vacuum hose by submerging in water from one

end to the other.

Figure 9: Valve settings for startup. Stop

pump before changing valve position.

Valve Setting Purpose/Flow

FILTER

Normal filtration and

vacuuming; water goes

through filter to pool.

RINSE

For initial startup cleaning

and sand bed leveling

after backwash; water goes

through filter to waste.

RECIRCULATE

Circulates pool water;

bypasses filter.

737 029

BACKWASH

Reverses flow for

cleaning; water

goes through filter

to waste.

CLOSED

Shuts off all flow to

filter and pool.

WINTERIZE

Leaves all valve ports

partially open for

winter storage.

Valve Setting Purpose/Flow

738 029

WASTE

Lowers pool level or

drains pool; water

bypasses filter,

goes to waste.

Valve Setting Purpose/Flow

743 0294

Figure 8

2. To vacuum, insert hose into skimmer suction manifold

or into vacuum line in pool wall. See instructions pro-

vided by pool builder or pool manufacturer. Start

pump, making sure it is primed and pumping.

3. After vacuuming, clean pump trap to remove accumu-

lated debris, then check filter pressure gage. If reading

is 5 to 7 PSI (34.5 to 48 kPa) higher than initial oper-

ating pressure, backwash filter

Lower or Drain Pool

1. Turn pump ‘OFF’; set valve handle to ‘WASTE’.

2. Use vacuum cleaner hose and head.

3. Start pump; run until pool is lowered to desired level.

4. Turn pump ‘OFF’; set valve handle to ‘FILTER’.

5. Start pump.

STORAGE/

WINTERIZING

Pool chemicals may give off corrosive

fumes. Store chemicals away from system in a well ven-

tilated area. Explosion hazard. Purging the system with

compressed air can cause components to explode, with

risk of severe injury or death to anyone nearby. Use

only a low pressure (below 5 PSI), high volume blower

when air purging the pump, filter, or piping.

NOTICE: Allowing water to freeze will damage filter and

void warranty. If antifreeze is needed, use propylene glycol;

it’s plastic compatible and non-toxic. Follow manufacturers

instructions. Do not use ethylene glycol based anti-freeze –

it’s toxic and it may damage plastic components.

1. Open all system valves. Set multiport valve at ‘WIN-

TERIZE’ to allow air passage to all ports.

2. Remove drain plug from filter.

3. Drain filter tank completely and replace drain cap

(Figure 12).

4. Gravity drain system as far as possible.

5. Protect areas which retain water with non-toxic

propylene glycol antifreeze (“RV antifreeze”).

6. Cover with plastic or tarpaulin to protect from

weather.

7. Remove drain plugs from pump.

8. Protect from freezing.

Startup for Winterized Equipment:

1. Remove any temporary weather protection placed

around system for shutdown.

2. See “Startup”, Page 8, for reactivation of the filter.

3. Inspect all electrical wiring to pump for damage or

deterioration over the shutdown period. Have a quali-

fied serviceman repair/replace wiring as needed.

Inspect and tighten all watertight connections.

4. Open all valves in suction and return piping.

5. Remove any winterizing plugs in system.

6. Drain all winterizing chemicals (if used) from system;

flush system.

7. Close all drain valves and replace all drain plugs in

system.

8. Fill pool with water to proper level (see pool maufac-

turer’s instructions).

Drain Fitting Installation/Removal

NOTICE: If pool is above height of filter, first close

valves in pump suction and return lines to prevent drain-

ing pool. If there are no shutoff valves installed, discon-

nect suction and return lines and raise ends above pool

water level.

1. Installation: See Figure 12.

2. To Drain Filter:

A. Remove drain cap. Lateral tube should remain in

place inside drain opening to prevent sand from

draining out.

B. Open union coupling on backwash port of Multi-

Port valve. This will allow air into filter and allow

water to drain from filter tank.

Fig. 10: Valve settings to lower pool water level.

Stop pump before changing valve position.

Fig. 11: Valve setting for winter storage. Stop pump

before changing valve position.

About 1"

Small

O-Ring

Open end

of lateral

Seat small

O-Ring

Large

O-Ring

End of lateral is

flush with end of

drain fitting 746 0294

Figure 12: Drain Fitting Assembly. This assembly

allows water to drain without losing the sand out of

the filter tank.

Make sure all surfaces are clean and free of sand.

Don’t cross thread cap; don’t overtighten cap.

C. Replace cap when tank is empty.

3. Removing Sand From Filter:

A. Remove both drain cap and slotted lateral tube (see

Figure 12). Sand and water will drain from tank.

B. To completely flush filter tank of sand, remove top

clamp and multiport valve and flush the inside of

the tank with a hose.

C. Thoroughly clean sand from all parts and from tank

drain opening before reassembling drain fitting.

MULTI-PORT VALVE SERVICE

Hazardous pressure. Stop pump and re-

lease all pressure from system before working on filter,

valve, or clamp.

NOTICE: If Multi-Port valve is below pool water level,

close suction and discharge valves before disassembly to

prevent draining pool.

Handle Replacement:

1. Stop pump.

2. Place handle in ‘FILTER’ position.

3. Remove pin (Key 1, Figure 13) to disconnect handle. If

it cannot be removed by hand, use a hammer and cen-

ter punch and lightly tap it out.

4. Remove handle; replace with a new one. Be sure new

handle is in ‘FILTER’ position.

5. Replace pin.

Lid and Plug replacement:

A. Remove Handle (see ‘Handle Replacement’, above).

B. Remove plug:

1. Remove all screws and nuts (Key Nos. 2 and 6,

Figure 13).

2. Remove lid (Key No. 3) by pulling straight up while

holding plug shaft (Key No. 5) down with thumb.

C. Inspect Internal Parts:

Inspect plug and gasket spring, O-Rings, and internal

washers (Key No. 4). Replace if necessary.

D. Reassemble Valve:

1. Replace plug gasket and shaft, mounting spring,

washers, and O-Ring on plug shaft. Lubricate O-

Ring with Amojel.

2. Replace lid; match screw holes in lid and body.

3. Press down on lid to allow screws to engage nuts;

tighten each nut securely.

4. Replace top washer (Key No. 1A) and handle, mak-

ing sure indexing pin on plug shaft points in same

direction as pointer on handle. Replace handle pin.

5. Tighten all lid screws to 55 inch-lbs. (63.4 kg-cm)

torque.

Valve Removal

Hazardous pressure. Stop pump and re-

lease all pressure from system before working on filter,

valve, or clamp.

NOTICE: If multi-Port Valve is below pool water level,

close suction and discharge valves before disassembly to

prevent draining pool.

1. Disconnect piping from pump and pool.

2. Remove clamp.

3. Remove valve from filter top.

4. To reinstall valve, follow “Valve installation” instruc-

tions, Page 6. BE SURE to follow clamp tightening in-

structions.

Aquatools

.WATERFORD,WI.

53185

USA

744 0294

Figure 13: Valve Disassembly

PUMP SERVICE

To protect against possible electric shock,

use only identical replacement parts when servicing.

System should only be serviced by qualified personnel.

Before removing trap cover:

1. STOP PUMP before proceeding.

2. CLOSE GATE VALVES in suction and discharge pipes.

3. RELEASE ALL PRESSURE from pump and piping sys-

tem. To avoid dangerous or fatal electrical shock haz-

ard, turn OFF power to motor before working on

pump or motor.

Trap needs no lubrication or regular maintenance be-

yond reasonable care and periodic cleaning of strainer

basket.

If shaft seal is worn or damaged, repair as follows:

Pump Disassembly:

1.Unplug motor before servicing or repairing pump or

motor.

2.Close all valves in suction and discharge piping.

3.Remove drain plugs from the bottom of pump and

trap; drain pump completely.

4.Disconnect pipe unions (or clamps) on suction and

discharge piping. Remove hold down bolts and with-

draw complete pump/motor/trap assembly.

5.Remove cap screws (Key No. 16, Pages 14 and 15)

from front plate (Key No. 13). Remove front plate

with trap (Key No. 20) attached. Remove and inspect

O-Ring (Key No. 12).

6.Remove end cap (Key No. 2) from motor.

7.Hold motor shaft with 7/16” wrench on flats on

motor shaft; unscrew impeller (Key No. 11).

8.Carefully remove rotating half of seal (Key No. 10)

from impeller sleeve. Twist as you pull; make sure

you do not damage surface of sleeve where seal both

seats and seals. See Figure 14.

9.Remove motor throughbolts (see Figure 15). Remove

seal plate (Key No. 9). Tap stationary half of seal out

of seal plate (see Figure 16).

10. If necessary, disconnect electrical wiring from motor

terminal board and remove motor (Key No. 6) from

motor cover (Key No. 7).

Pump Assembly:

1. Examine seal cup and O-Rings. Replace anything that

shows signs of wear or damage.

2. Check the shaft seal (Key No. 10, Page 15) for scor-

ing, scratches, chips, etc., and for any signs of dam-

age to spring or retainer. Replace if any wear or

damage is visible.

3.Press stationary half of seal into seal plate (Key No. 9)

using finger pressure only (see Figure 17). Make sure

seal is firmly and evenly seated.

4.Install rotating half of seal on impeller sleeve. Push it

onto sleeve until it butts against back of impeller.

5.Insert impeller sleeve through center hole in seal

plate (Key No. 9). Thread slinger (Key No. 8) over the

end of the impeller sleeve.

6.If motor has been removed from motor cover, rein-

stall it now. Set up seal plate (Key No. 9) in front of

motor cover; hold motor shaft with 7/16” wrench on

shaft flats (under cap) and thread impeller through

center hole in seal plate onto shaft). Make sure that

slinger is in place on impeller sleeve – not loose on

shaft.

7.Install motor throughbolts; make sure seal plate butts

firmly against motor endbell.

8.Install front plate (Key No. 13). Tighten cap screws in

sequence as shown in Figure 18; tighten to 30 inch-

lbs. (34.5 cm-kg.) torque.

9.Reinstall drain plugs; reinstall pump and motor on

base and tighten hold-down bolts.

10. Reconnect unions; tighten hand tight only.

Figure 14 Figure 15 Figure 16 Figure 17

#5 #3

Start

Here

Figure 18 – Pump front Plate Torque Sequence.

TROUBLESHOOTING

GUIDE Ð PUMP

Read and understand safety and operating instruc-

tions in this manual before doing any work on

pump.

A. Pump does not operate:

1. Check GFCI (Ground Fault Circuit Interrupter) for

proper operation according to GFCI manufac-

turer’s instructions.

2. Check for blown fuses, circuit breakers, or discon-

nected electrical wiring.

3. Check for sand locked impeller. Disconnect power

to motor; follow pump disassembly instructions,

Page 11. Clean out sand from impeller and from

wear ring in front plate. Reassemble according to

instructions, Page 11.

4. Consult dealer/installer or service representative.

B. Motor runs, but does not pump water or pressurize

system:

1. Check to make sure all valves are open.

2. Check skimmer, trap basket, and piping for debris

or obstructions.

3. Check pump impeller for obstructions such as

hair, leaves, grass, or stones. Follow “Pump

Disassembly” instructions, under “Pump Service”

on Page 11.

4. Consult with dealer/installer or service representa-

tive.

C. Excessive air in system – pump loses prime:

1. Make sure water level in skimmer is at least 2”

above bottom of skimmer throat with system not

operating.

2. Make sure that there are no leaves in suction pip-

ing.

3. Make sure there is no vortex (whirlpool) at the

suction; add water to pool if necessary.

4. Consult dealer/installer or service representative.

D. Circuit breaker in home panel trips repeatedly:

1. Breaker must be of adequate capacity.

2. If breaker is a GFCI breaker, test according to

GFCI manufacturer’s instructions.

3. Be sure no other lights and appliances are on cir-

cuit.

4. Check wiring size leading to pump. (See Table III,

“Recommended Wiring Data” on Page 7).

Inadequate size wiring will cause overheating of

pump and excessive amp draw leading to circuit

breaker tripping.

5. Consult dealer/installer or service representative

TROUBLESHOOTING

GUIDE Ð FILTER

A. Short Cycle between backwashes:

NOTICE: Time between backwashes will vary with each

installation and between different areas of the country.

Ask installer about normal backwash interval in your

area. The following causes and remedies are for cycle

times shorter than normal for your area.

1. Flow rate too high or filter too small; consult dealer

for system sizing recommendations.

2. Water is chemically out of balance; consult pool

serviceman.

3. Excess dirt/dust in pool; vacuum pool directly to

waste.

4. Body oil/lotion build-up in filter; consult dealer for

chemical filter cleaners and follow cleaner manu-

facturer’s instructions.

5. Filter inadequately backwashed. See instructions

under “Startup/Operation”, Page 8.

6. Algae in pool. Consult pool professional about

proper chemical maintenance.

7. Residual chlorine level too low. Consult pool pro-

fessional about proper chemical maintenance.

8. Inspect filter sand for solidification caused by dust,

calcium, skin oils, of suntan lotions.

B. Low Flow:

1. Pipe blocked downstream from filter; remove ob-

struction.

2. Piping too small; use larger pipe (consult dealer for

sizing).

3. Plugged pump; plugged hair and lint trap or skim-

mer basket. Clean thoroughly.

C. Pool Water Not Clear:

1. Water is chemically out of balance; consult pool

professional.

2. Filter is too small; consult dealer about equipment

sizing.

3. Sand in pool means broken lateral. Drain both

water and sand out of tank. Remove valve; follow

procedure under “Filter Setup”, Page 6, and in-

structions with new lateral to replace broken part.

To avoid severe injury or major property

damage, follow instructions under 'Valve Installation',

Figures 6, 7 and 8, Pages 6 and 7).

1. Follow valve removal procedure, Page 10.

2. Replace lateral according to instructions supplied

with new lateral.

3. Reassemble filter according to instructions under

“Filter Setup”, Page 6

MODELS

Key Part No. Series AT115 Series AT118 Series AT120

No. Description Used 15” Filter 18” Filter 20” Filter

1 Pump (System Model Nos. ending in 1 or 2) 1 See Page 16 See Page 16 See Page 16

1 Pump (System Model Nos. ending in 0, 3, 4, 5 or 6) 1 See Page 15 See Page 15 See Page 15

2 Hose Barb 2 U78-767P U78-767P U78-767P

3 Hose Clamp 2 P1929 P1929 P1929

4 Hose Assembly 1 80879-2041 80879-2301 80879-2501

5 Hose Adapter 2 11201-0002 11201-0002 11201-0002

6 Multiport Valve* (Includes Key Nos. 8, and 9) 1 WC112-148A WC112-148A WC112-148A

7 Sight Glass (not included with Models ending in 1) 1 14962-0012 14962-0012 14962-0012

8 O-Ring, Tank Flange 1 U9-369 U9-369 U9-369

9 V-Clamp with Knob 1 WC119-87A WC119-87A WC119-87A

10 Pedestal Platform 1 24201-0055P 24201-0055P 24201-0055P

11 Drain Cap 1 14965-0025 14965-0025 14965-0025

12 O-Ring, Drain Cap 1 U9-371 U9-371 U9-371

13 Drain Lateral Tube 1 24201-0058 24201-0058 24201-0058

14 O-Ring, Lateral Tube 1 U9-370 U9-370 U9-370

15 Lateral Tube 8 24600-0003 24600-0003 24600-0003

16 Collector Hub Assembly 1 24200-0110 WC137-516P WC137-517P

17 Tank Assembly 1 24200-0101 24201-0101 24203-0101

18 Clamp Knob 1 WC36-22 WC36-22 WC36-22

19 Filter Tank Assembly (Includes Key Nos. 8 thru 15) 1 24200-9100S 24201-9100S 24203-9100S

20 Washer 1/4” 2 U43-60SS U43-60SS U43-60SS

21 Screw 1/4-20x3/4” Lg. 2 U30-52SS U30-52SS U30-52SS

• Hose, 1-1/2” x 6’ Lg. 2 34055-7038 34055-7038 34055-7038

• Sand Shield 1 24201-0043 24201-0043 24201-0043

• Nameplate Decal 1 32155-4114A 32155-4114B 32155-4114C

• Clamp Decal, Warning 1 32165-4030 32165-4030 32165-4030

• Information Decal 1 32155-4112 32155-4112 32155-4112

• Not illustrated. *See Page 17.

1277 0994 AT

Repair Parts List - Filter

Repair Parts List - Pump

MODELS AT2024SPL

AT2411131

AT2407110 AT2410110 AT241501

Key Part No. AT2407130 AT2410130 AT241503

No. Description Used 3/4 HP 1 HP 1-1/2 HP

2 Motor End Cap 1

6 Motor 115/60H/1 Ph 1 AS920DLL AS920ELL AS920FLL

6 Motor 115/60H/1 Ph (AT2024SPL, AT2411131) 1 – – 62003-2031

7 Slinger 1 17351-0009 17351-0009 17351-0009

9 Seal Plate 1 17301-0150 17301-0150 17301-0150

10 Shaft Seal 1 37400-0027S 37400-0027S 37400-0027S

11 Impeller 1 C105-228PH C105-228PG C105-228PG

12 O-Ring 1 U9-357 U9-357 U9-357

13 Front Plate 1 C101-272P C101-272P C101-272P

13A Pipe Plug 2 WC78-40T WC78-40T WC78-40T

14 Washer, 1/4” Flat 6 U43-117SS U43-117SS U43-117SS

15 Washer, 1/4” Lock 6 U43-10SS U43-10SS U43-10SS

16 Screw, 1/4-20x1-3/4” 6 30727-0058 30727-0058 30727-0058

17 Trap Cover 1 C3-139P1 C3-139P1 C3-139P1

18 O-Ring - Cover 1 U9-229 U9-229 U9-229

19 Strainer Basket 1 C108-33P C108-33P C108-33P

20 Trap Body 1 C153-53P1 C153-53P1 C153-53P1

21 Pipe Plug - 1/4” NPT (w/O-Ring) 2 U178-920P U178-920P U178-920P

22 Capscrew 5/16-18x1-1/4” 4 U30-64SS U30-64SS U30-64SS

23 Washer, Lock 5/16” 4 U43-11SS U43-11SS U43-11SS

24 Washer, Flat 5/16” 4 U43-41SS U43-41SS U43-41SS

25 Gasket 1 C20-123 C20-123 C20-123

• Cord Assembly* (AT2407110, AT2410110, AT241501) 1 U117-1117 U117-1117 U117-1118

• Cord Assembly (AT2407130, AT2410130,

AT2411131, AT241503) 1 31953-0101 31953-0101 31953-0101

• Nameplate 1 U33-155A U33-155A U33-155A

• Decal - GFCI required 1 U27-558 U27-558 U27-558

• Tag - bonding instructions 1 61002-0002 61002-0002 61002-0002

•

Tag - CAUTION Securely Tighten. . .Warning. . .

1 61002-0004 61002-0004 61002-0004

* Model AT2024SPL, 1-1/2 HP, uses Part No. U117-1117.

• Not illustrated.

10 11

1415 16

13A

22 2430 0596

REPAIR PARTS LIST

POOL PUMPS

Models AT2407110, AT2407130, AT2410110,

AT2410130, AT241501, AT241503,

AT2024SPL, AT2411131

Not Available Separately

• Not illustrated.

1234

8910

11 14

1516

NOTICE:

AT23 series models use the

same front plate and

seal plate as other models;

however, they are rotated

90°counter-clockwise

when installed.

782 0294

Key Part

No. Description Qty. Number

1 End Cap Screw 3 37337-0085

2 End Cap and Cord Ass’y 1 Chart at Right

3 Toggle Switch 1 16920-0511

4 Toggle Switch Boot 1 32800-0107

5 Baffle Ring 1 17290-0004

6 Motor 1 Chart at Right

7 Motor Cover 1 17190-0021

8 Slinger 1 17351-0009

9 Seal Plate 1 17301-0150

10 Shaft Seal 1 37400-0027S

11 Impeller 1 Chart at Right

12 “O” Ring 1 U9-357

13 Front Plate 1 C101-272P

14 Plain Washer 4 U43-60SS

15 Lock Washer 4 U43-10SS

16 Cap Screw 4 30727-0058

17 Trap Lid 1 C3-139P1

18 Trap Lid Gasket 1 U9-229

19 Trap Basket 1 C108-33P

20 Trap Body 1 C153-53P

21 Drain Plug w/O-Ring 2 U178-920P

22 Cap Screw 4 U30-64SS

23 Lock Washer 4 U43-11SS

24 Plain Washer 4 U43-41SS

25 Trap Outlet Gasket 1 C20-123

27 Plain Washer 4 U43-117SS

28 Cap Screw 4 U30-52SS

• Nameplate 1 32155-4073

• Decal – GFCI Required 1 U27-558

• Decal – Insulated Wet End 1 U27-584

• Tag – Do Not Use Pipe Dope 1 61002-0002

• Tag – Caution 1 61002-0004

Model Motor No. Impeller No.

No. HP (Key No. 6) (Key No. 11)

115 Volt

AT2407121 3/4 AS901DL C105-228PWBS

AT2410121 1 AS901EL C105-228PWS

AT2411121 1-1⁄2SPL AS901SFL C105-228PWS

Cord & Cap Assembly

HP (Key No. 2)

AT2407121 3/4 17190-0026-S

AT2410121 1 17190-0026-S

AT2411121 1-1/2SPL 17190-0026-S

To Replace Order

Original Pump Replacement Pump

AT2407177 AT2407120

AT2410122 AT2410120

AT2411122 AT2411120

Parts are common to all models listed except as noted;

Key Nos. 2, Cord & Cap Assembly; 6, Motor; and 11,

Impeller, are listed below.

Order PKG. 115 for 5” Trap complete (includes

Key Nos. 17 through 25).

To replace complete pump/trap assembly, see chart

below.

REPAIR PARTS LIST

POOL PUMPS

Models AT2012,

AT2013, AT2014

Aquatools

.WATERFORD, WI.

53185

USA

762 0294

Key No. Description Qty. Part No.

1 Decal, Valve Handle 1 32145-4016

2 Handle 1 14962-0032

3 Dowel Pin 1 35857-0021

4 Washer 1 14965-0007

5 Decal, Operating Instr. 1 14965-0020

6 Screw 7 37067-0714

7 Valve Cover 1 14965-0011

8 O-Ring 1 35505-1228

9A Washer 2 14965-0007

9B Washer 1 14965-0007

10 Spring 1 14965-0006

11 Pressure Gage 1 15060-0000T

12 O-Ring, Cover 1 35505-1275

13 Plug & Gasket Ass’y 1 14965-0028

14 Valve Body Ass’y 1 14965-0013

15 Nut 7 35407-0071

16 O-Ring, Tank Flange 1 U9-369

REPAIR PARTS LIST

WC112-148A MULTIPORT VALVE

▲Retain 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 to:

▼ AquaTools, Attn: Warranty Dept., 293 Wright St., Delavan, WI 53115

Pumps, filters, skimmers, underwater lights (except bulbs),

accessories and fittings manufactured by AquaTools are war-

ranted to be free of defects in material and workmanship for

one (1) year from date of installation.

Product specific warranties: Year from date

of installation

Module Filters – Tanks . . . . . . . . . . . . . . . . . . . . . . 10 years

Internal filter components and valves . . . . . . 1 year

Automatic Pool Cleaners including Hose . . . . . . . 2 years

Sand Filters – Tanks. . . . . . . . . . . . . . . . 10 years pro-rated*

Valve and Internal components. . . . . . . . . . . . 1 year

Above-ground Cartridge –

Filter Tank . . . . . . . 5 years pro-rated (1st 2 years full)

Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year

Sand Systems – Tanks . . . . . . . . . . . . . . 10 years pro-rated*

Pumps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year

Valve and Internals . . . . . . . . . . . . . . . . . . . . . 1 year

Cartridge Systems – Filter Tank . . . . . . . . . . . . . . . . . 1 year

Pumps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year

Module Filter Systems – Tanks. . . . . . . . . . . . . . . . 10 years

Pumps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year

Platform and Internals. . . . . . . . . . . . . . . . . . . 1 year

Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year

When equipped with A.O. Smith

2-compartment motors (Does not include

pumps sold as part of a systems package). . . 2 years

Theforegoingwarrantiesrelatetotheoriginal consumerpur-

chaser(“Purchaser”)only.AquaTools shallhavethe optionto

repair or replace the defective product, at its sole

discretion. Purchasers must pay all labor and shipping

charges necessary to replace the product covered by this

warranty. Requests for warranty service must be made

through the installing dealer. This warranty shall not apply to

any product that has been subject to negligence, misappli-

cation, improper installation or maintenance, or other cir-

cumstances which are not in AquaTools’ direct control.

* Full warranty coverage is in effect for one year after instal-

lation. The pro-rated warranty covers the tank only during

the2nd through10th yearafter installation.The amountcov-

ered decreases by 10% each year. (ie., 2nd year 90% covered,

3rd year 80% covered, etc.).

This warranty sets forth AquaTools’ sole obligation and

Purchaser’s exclusive remedy for defective products.

AquaTools SHALL NOT BE LIABLE FOR ANY CONSEQUEN-

TIAL, INCIDENTAL OR CONTINGENT DAMAGES WHATSO-

EVER.

THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN

LIEU OF ALL OTHER EXPRESS WARRANTIES. IMPLIED WAR-

RANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

PARTICULARPURPOSE,SHALL NOT EXTENDBEYONDTHE

DURATION OF THE APPLICABLE EXPRESS WARRANTIES

PROVIDED HEREIN.

Some states do not allow the exclusion or limitation of inci-

dental or consequential damages or limitations on how long

an implied warranty lasts, so the above limitations or exclu-

sion 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.

Supersedes all previous publications.

AquaTools

293 Wright Street

Delavan, WI 53115

Warranty Registration Card

Name

Address

City State Zip

Purchase Date

Product Purchased

■■New installation ■■Replacement

Type of Pool ■■Inground ■■Vinyl ■■Fiberglass ■■Gunite

Size of Pool

Years pool has been in service ■■less than 1 ■■1-3 ■■3-5 ■■5-10

Purchased from:

Company name

Address

City State Zip

Please send me more information on these

other products from AquaTools.

■■Pumps ■■Filters ■■Automatic Pool Cleaners

■■Maintenance Equipment ■■Test Strips

S4877AT (Rev. 5/15/00)

AquaTools®LIMITED WARRANTY

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