Pentair Sand Dollar / Cristal-Flo II Aboveground Le manuel du propriétaire

IMPORTANT SAFETY INSTRUCTIONS

READ AND FOLLOW ALL INSTRUCTIONS

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INSTALLATION AND

USER’S GUIDE

PUMP AND SAND FILTER

SYSTEM

Technical Support

Sanford, North Carolina (8 A.M. to 4:30 P.M. ET)

Moorpark, California (8 A.M. to 4:30 P.M. PT)

Phone: (800) 831-7133

Fax (800) 284-4151

Web sites: visit www.pentair.com

Contents

Warnings and Important Safety Precautions .................................................. i

Section 1: Pump and Sand Filter System Overview .................................... 1

Valve Position and Water Flow Directions .......................................................... 2

Section 2: Installation .......................................................................................... 3

Section 3: Operation and Maintenance ........................................................... 10

Initial Start-Up ........................................................................................................... 10

Maintenance ............................................................................................................. 11

Cleaning .................................................................................................................... 12

Filter Backwash Procedure .................................................................................... 13

Chemical Cleaning ..................................................................................................14

Replacement of Valve Top and Diverter Assembly ............................................ 15

Winterizing the System ........................................................................................... 16

Section 4: Troubleshooting ................................................................................. 17

Section 5: Technical Data and Replacement Parts ...................................... 17

P/N 152007 Rev.D 10/21/21

Pump and Sand Filter System Installation and User’s Guide

i

Most states and local codes regulate the construction, installation, and

operation of public pools and spas, and the construction of residential pools

and spas. It is important to comply with these codes, many of which directly regulate the

installation and use of this product. Consult your local building and health codes for more

information.

SERIOUS BODILY INJURY OR DEATH CAN RESULT IF THIS PUMP

AND SAND FILTER IS NOT INSTALLED AND USED CORRECTLY.

INSTALLERS, POOL OPERATORS AND POOL OWNERS MUST

READ THESE WARNINGS AND ALL INSTRUCTIONS BEFORE

USING THIS PUMP AND SAND FILTER.

Before installing this product, read and follow all warning notices

and instructions in this Guide. Failure to follow warnings and instructions

can result in severe injury, death, or property damage. Call (800) 831-7133 for additional free

copies of these instructions. Please refer to www.pentair.com for more information related to

these products.

Water temperature in excess of 100° F (37.7° C) may be hazardous to your

health. Prolonged immersion in hot water may induce hyperthermia.

Hyperthermia occurs when the internal temperature of the body reaches a

level several degrees above normal body temperature of 98.6° F (37° C.).

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. The use of alcohol, drugs, or

medication can greatly increase the risk of fatal hyperthermia in hot tubs and

spas.

Maximum working water temperature for this filter is 95° F (35°C).

When setting up pool water turnovers or flow rates the operator must

consider local codes governing turnover as well as disinfectant feed ratios.

DO NOT increase pump size; this may increase the flow rate through the

system and exceed the maximum flow rate stated on the drain cover.

If this pump and sand filter is intended for use in other than single-family

dwellings, a clearly labeled emergency switch shall be provided as part of the

installation. The switch shall be readily accessible to the occupants and shall

be installed at least 5 feet (1.52 m) away, adjacent to, and within sight of, this

pump and sand filter system.

IMPORTANT NOTICE - Attention Installer: This Installation and User’s Guide

(“Guide”) contains important information about the installation, operation and safe

use of this pump and sand filter. This Guide should be given to the owner and/or

operator of this equipment.

This pump and sand filter system is intended for use in swimming

pool applications.

WARNINGS AND IMPORTANT SAFETY PRECAUTIONS

To reduce the risk of injury, do not permit children to use or operate this

pump and sand filter.

Pump and Sand Filter System Installation and User’s Guide

A pool or spa pump must be installed by a qualified pool and spa

service professional in accordance with the National Electrical Code and

all applicable local codes and ordinances. Improper installation may create an electrical hazard

which could result in death or serious injury to pool users, installers, or others due to

electrical shock, and may also cause damage to property.

ii

High Pressure from the sand filter can cause severe injury or

major property damage due to tank separation.

Release all pressure and read instructions before working on

the sand filter. If the filter clamp is adjusted under pressure,

the tank can separate, causing serious injury or major

property damage.

Pumps improperly sized or installed or used in applications other

than for which the pump was intended can result in serious personal

injury or death. These risks may include but not be limited to electric shock, fire, flooding,

suction entrapment or serious injury or property damage caused by a structural failure of

the pump or other system component.

Never exceed the maximum stated pump flow rating.

Only use a pumping system rated for the corresponding flow. FAILURE TO DO

SO CAN RESULT IN HAIR OR BODY ENTRAPMENT WHICH CAN CAUSE

SERIOUS PERSONAL INJURY OR DEATH. If in doubt about the rating of your

system, consult a qualified pool service professional.

Pumps are not a substitute for properly installed and secured pool

drain covers. An ANSI/ASME A112.19.8 approved anti-

entrapment drain cover must be used for each drain. Pools and spas should utilize a

minimum of two drains per pump. Regularly inspect all covers for cracks, damage

and advanced weathering. If a cover becomes loose, cracked, damaged, broken

or is missing, close the pool or spa immediately, shut off the pump, post a notice

and keep the pool or spa closed until an appropriate VGB 2008 certified cover is

properly installed. Covers deteriorate over time due to exposure to sunlight and

pool chemicals. This cover must be replaced within seven (7) years from

installation (or earlier if the cover becomes damaged in any way).

BEFORE WORKING ON FILTER!

(1) Stop pump.

(2) Open air release valve.

(3) Release all pressure from system.

PUMPS REQUIRE HIGH VOLTAGE WHICH CAN SHOCK, BURN,

OR CAUSE DEATH.

BEFORE WORKING ON PUMP!

Always disconnect power to the pool pump at the circuit

breaker before servicing the pump. Failure to do so could

result in death or serious injury to service person, pool

users or others due to electric shock.

RISK OF ELECTRICAL SHOCK OR ELECTROCUTION:

WARNINGS AND IMPORTANT SAFETY PRECAUTIONS

Pump and Sand Filter System Installation and User’s Guide

F

Hair Entanglement – When the hair tangles or knots in the drain cover,

trapping the swimmer underwater. This hazard is present when the flow

rating of the cover is too small for the pump or pumps.

Limb Entrapment – When a limb is sucked or inserted into an opening

resulting in a mechanical bind or swelling. This hazard is present when a

drain cover is missing, broken, loose, cracked or not properly secured.

Body Entrapment – When a portion of the body is held against the drain cover

trapping the swimmer underwater. This hazard is present when the drain cover

is missing, broken or the cover flow rating is not high enough for the pump or

pumps.

Evisceration/Disembowelment – When a person sits on an open pool

(particularly a child wading pool) or spa outlet and suction is applied directly to

the intestines, causing severe intestinal damage. This hazard is present when

the drain cover is missing, loose, cracked, or not properly secured.

Mechanical Entrapment – When jewelry, swimsuit, hair decorations, finger, toe

or knuckle is caught in an opening of an outlet or drain cover. This hazard is

present when the drain cover is missing, broken, loose, cracked, or not prop-

erly secured.

SUCTION ENTRAPMENT HAZARD

Pool and spa pumps move large volumes of water, which can pose extreme

danger if a person’s hair comes in close proximity to a drain that is not the proper

size for the pump or pumps.

iii

WARNINGS AND IMPORTANT SAFETY PRECAUTIONS

Pump and Sand Filter System Installation and User’s Guide

For information about the Virginia Graeme Baker Pool and Spa Safety

Act, contact the Consumer Product Safety Commission at (301) 504-

7908 or visit www.cpsc.gov.

NOTE: Always turn off all power to the pool pump before installing the

cover or working on any suction outlet.

The Virginia Graeme Baker Pool and Spa Safety Act imposes certain

new requirements on owners and operators of swimming pools and spas.

Pools or spas constructed on or after December 20, 2008, shall utilize:

(A) No submerged suction outlets, a gravity drainage system with

ASME/ANSI cover(s), one or more unblockable outlets; or

(B) A multiple main drain system without isolation capability with

suction outlet covers that meet ASME/ANSI A112.19.8 Suction

Fittings for Use in Swimming Pools, Wading Pools, Spas, and

Hot Tubs and either:

(i) A safety vacuum release system (SVRS) meeting ASME/ANSI

A112.19.17 Manufactured Safety Vacuum Release Systems (SVRS)

for Residential and Commercial Swimming Pool, Spa, Hot Tub, and

Wading Pool Suction Systems and/or ASTM F2387 Standard

Specification for Manufactured Safety Vacuum Release Systems

(SVRS) for Swimming Pools, Spas and Hot Tubs or

(ii) A properly designed and tested suction-limiting vent system or

(iii) An automatic pump shut-off system.

Pools and spas constructed prior to December 20, 2008, with a single

submerged suction outlet shall use a suction outlet cover that meets

ASME/ANSI A112.19.8 and either:

(A) A multiple main drain system without isolation capability, or

(B) A safety vacuum release system (SVRS) meeting ASME/ANSI

A112.19.17 and/or ASTM F2387, or

(C) A properly designed and tested suction-limiting vent system, or

(D) An automatic pump shut-off system, or

(E) Disabled submerged outlets, or

(F) Suction outlets shall be reconfigured into return inlets.

iv

Two Speed Pump Controls Notice (Title 20 Compliance)

Please read the following important Safety Instructions. When using two-speed

pumps manufactured on or after January 1, 2008, the pump's default

circulation speed MUST be set to the LOWEST SPEED, with a high speed

override capability being for a temporary period not to exceed one normal cycle,

or two hours, whichever is less.

WARNINGS AND IMPORTANT SAFETY PRECAUTIONS

Pump and Sand Filter System Installation and User’s Guide

Section 1

Pump and Sand Filter System Overview

This system operates under pressure and if assembled improperly or operated

with air in the water circulation system it can separate and result in an

accident causing serious bodily injury. A warning label has been affixed to the

filter and should not be removed. Keep safety labels in good condition and

replace if missing or illegible. (For free labels call, (919)-774-4151). Pumps

and filters should never be tested or subjected to air or gas under pressure.

All gases are compressible and under pressure create a danger. Serious

bodily injury or property damage could occur if the pump or filter is subjected

to air or gas pressure.

The system consists primarily of a centrifugal pump, a high rate sand filter

with control valve, a connecting hose and a mounting base. Your centrifugal

pump is driven by an electric motor. The motor is directly attached to the

pump impeller. As the electric motor turns it causes the impeller to turn and

this causes the water to flow. The water flows into the hair and lint pot inlet

and through the basket assembly to prestrain large particles. The flow then

enters the center of the pump housing. The flow goes through the impeller

into the stationary diffuser, out the pump discharge port, through the

connecting hose and into the filter control valve. Dirt is collected in the filter

as the water flows through the control valve at the top of the filter and is

directed downward onto the top surface of the filter sand bed. The dirt is

collected in the sand bed and the clean water flows through the lower piping

at the bottom of the filter up through the center pipe into the control valve at

the top of the filter. Clean water then returns through the piping system to the

pool. The pressure will rise and the flow to the pool will be lowered as the dirt

is collected in the filter. Eventually, the filter will become so plugged with dirt

that it will be necessary to perform the backwash procedure. It is important to

know when to backwash the filter. For backwashing information, see page 12

and 13. The six (6) operating position and one (1) “Winterize” position valve is

designed to provide all the necessary positions required to operate, maintain,

troubleshoot and service your sand filter.

1

Air entering the filter and a valve clamp not closed

properly can cause the valve to separate and could

cause serious bodily injury and/or property damage.

To prevent equipment damage and possible injury,

always turn pump off before changing valve position.

Pump and Sand Filter System Installation and User’s Guide

Valve Position and Water Flow Directions

FILTER: From pump, through valve, downward through filter sand bed, up

through center pipe to valve return port, and back to the pool for normal filter

action and vacuuming pool through filter.

BACKWASH: From pump, through valve, down through center pipe, up

through filter sand to valve, and out wasteport. This position is used for

cleaning filter by reversing flow.

RINSE: From pump, through valve, downward through filter sand, up through

center pipe to valve and out waste port. This position is used for start up

cleaning and resettling filter bed after backwashing.

WASTE: From pump, through valve, bypasses filter and goes to wasteport.

This position is for vacuuming directly to waste, lowering pool level, or

draining pool.

CLOSED: NO FLOW IN THIS POSITION - DO NOT USE THIS

SETTING WITH PUMP OPERATING.

RECIRCULATING: From pump, through valve, bypass filter and goes to

return port and back to pool. This position is for circulating water without

going through filter.

This filter operates under high pressure. When any part of the circulating

system (e.g., clamp, pump, filter, valves, etc.) is serviced, air can enter the

system and become pressurized. Pressurized air can cause the lid or control

valve to separate which may result in serious injury, death, or property

damage. To avoid this potential hazard, follow these instructions.

1. Before repositioning valves and before beginning the assembly,

disassembly, or adjustment of the clamp or any other service of the

circulating system:

(a) Turn the pump off and shut off any automatic controls to ensure the system

is not inadvertently started during the servicing;

(b) Open manual air relief valve;

(c) Wait until all pressure is relieved, pressure gauge must read zero (0).

2. Whenever installing the filter clamp, follow the filter valve and clamp

installation instructions exactly.

3. Once service on the circulating system is complete, follow system restart

instructions exactly.

4. Maintain circulation system properly. Replace worn or damaged parts

immediately (e.g., clamp, pressure gauge, relief valve, o-rings, etc.).

5. Be sure that the filter is properly mounted and positioned according to

instructions provided.

2

Pump and Sand Filter System Installation and User’s Guide

3

Failure to operate your filter system or

inadequate filtration can cause poor

water clarity obstructing visibility in your pool and can allow

diving into or on top of obscured objects, which can cause

serious personal injury or drowning.

WINTERIZING: Valve position for a winterized sand filter, see page 16.

Please note that a sand filter removes suspended matter and does not sanitize

the pool. The pool water must be sanitized and the water must be balanced

for sparkling clear water. Pool chemistry is a specialized area and you

should consult your local pool service specialist for specific details. In

general proper pool sanitation requires a free chlorine level of 1 to 2 PPM

and a pH range of 7.2 to 7.6.

Your filtration system should be designed to meet your local health codes. As

a minimum, you must be sure that your system will turnover the total volume

of water in your pool at least twice in a twenty-four (24) hour period.

Section 2

Installation

1. Read and understand all instructions before attempting to install,

operate, or maintain your pump and sand filter system.

2. Provide space and lighting for routine maintenance access. Locate the

system close to the pool. See Figure 1 for typical installation.

Note: Install electrical controls (e.g., on/off switches, timers, control

systems, etc.) at least five (5) feet from the filter. This will allow you

enough room to stand clear of the filter during system start up.

Systems that are unassembled should be assembled at this point. See

special instructions A through G.

A. Make sure all electrical breakers and switches to the pump are

switched off, and disconnect the communication cable from the pump

before installing the base.

B. Remove all individual components from carton and inspect for any

visible damage. If carton or parts are damaged contact seller or

freight company.

C. Place the system support base on the ground close to the final location

of the unit. See Figure 1 on the next page.

Pump and Sand Filter System Installation and User’s Guide

4

D. Examine the bottom of the lter and conrm the orientation of the

small mounting protrusions on the tank.

E. Align the protrusions on the tank with the corresponding recesses in

the lter support portion of the base and place the lter on the base.

This filter operates under pressure. With the valve

clamped properly and operated without air in the

system, this filter will operate in a safe manner. Air

entering the filter and the valve not clamped

correctly can cause the valve to separate, which

could cause serious personal injury and/or property

damage.

Always turn pump off before changing valve

positions. Changing valve positions while the pump

is running can damage the control valve, which

may cause serious injury or property damage.

Figure 1.

FROM

POOL

WASTE

TO POOL

WINTERIZING

DRAIN (HIDDEN)

MANUAL AIR

BLEEDER

Pump and Sand Filter System Installation and User’s Guide

PUMP END OF SYSTEM BASE

FILTER END OF

SYSTEM BASE

CLAW FASTENERS

Figure 2.

RELEASE LATCH

ORIENT THE PUMP

WITH THE

STRAINER POT

FACING IN THE

DIRECTION OF

THE ARROW

5

F. The pump may now be attached to the pump support side of the base.

The pump should be oriented as indicated in Figure 2.

G. Slide the pump foot between the claw fasteners and the release latch.

See Figure 3. Seat the pump by pushing down on it until the release

latch clicks into place on the pump foot. See Figure 4. The pump

should be positioned as indicated in Figure 5. Install the two

#20 x 1-1/4" long lag bolts through the slots in the foot of the motor,

into the two holes in the base near the release latch.

Figure 3.

Release latch Claw fastener

Pump and Sand Filter System Installation and User’s Guide

6

4. Be certain to install the precise amount of filter sand listed on your

filter nameplate. You must use only No. 20 standard silica sand

having a uniformity coefficient of 1.75 or less. No. 20 silica sand has

a particle size of .018-.022 inches (.45 to .55mm). Before pouring the

sand into the filter, look inside and check the lower under drain for

broken or loose laterals (or fingers), which may have been

accidentally damaged by rough handling during shipment. Replace any

parts as necessary.

Figure 5.

5. Install the sand guide in the top of the filter and fill the tank about half

full of water. Pour the sand into the top of the filter at a slow rate so

that the weight of the sand does not damage the laterals. After the

required amount of sand has been installed, remove and discard the

sand guide. Wash away all sand around the opening at the top of the

tank.

3. Now, move the system to its final position. The system must be placed

on level solid earth. The entire system filled with sand and water can

weigh several hundred pounds.

Figure 4.

RELEASE

LATCH CLAW

FASTENER

PUMP

FOOT

7

VALVE FLANGE

TYPICAL CLAMP

HALF

Figure 6.

TANK FLANGE

8. The plastic clamp can now be installed. Place the clamp half over the

valve ange and the tank ange as shown in Figure 6. Insert the valve

screws and nuts into the clamp half making sure that the nuts are

located in the special hexagonal retainer slots on the clamps. See

Figure 7.

9.

Begin to tighten the clamp screws with a Phillips screwdriver. Tap around

the outside of the clamp with a rubber mallet (or similar tool) to ensure

uniform loading and proper seating of the clamp halves. Continue

tapping and tightening until the clamp ends touch each other. Do not

tighten beyond this point to avoid damaging the screws or clamp.

High Pressure:

Improper tank valve assembly could cause the valve

to separate and cause serious in jury and/or major

property damage.

6. Be sure top of lter is free of any sand or debris and valve o-ring is in

place on valve body. Install valve so that the port locations are in the

desired nal position. See Figure 1 (see page 4).

7. Be sure that the valve is rmly pushed into the top of the tank and that

the ange of the tank and the ange of the valve are contacting each

other. See Figure 6.

Pump and Sand Filter System Installation and User’s Guide

8

10. Valve ports are labeled with the location of where they should be

connected i.e. pump port must go to pump discharge, waste port must

go to waste line, and return port must go to the pool return.

11. The filter unit has a maximum operating pressure listed on the filter

nameplate. DO NOT OPERATE this unit above the maximum

operating pressure of the valve or the filter. Never connect the filter

and valve unit to a pump which can generate a pressure that exceeds

the operating pressure of the filter or valve.

12. Use sealant on all tapered male connections of pipes and fittings. Use

only sealant compounds suited for plastic pipe. Support pipe to prevent

strains on filter, pump, or valve. DO NOT USE PETROLEUM

BASE PRODUCTS. NOTICE: All valve internal threads are

tapered except the air bleeder connection. Do not over tighten

tapered threaded connection.

13. Install pressure gauge in ¼” NPT port directly across from the pump

port of the valve.

14. Never store pool chemicals within 10 feet of your pool filter, pump, or

valve. Pool chemicals should be stored in a cool, dry, well ventilated

area.

Chemical fumes and/or spills can cause serious

corrosion to the filter and pump structural components. Structurally

weakened components can cause filter, pump or valve attachments to

separate and could cause serious bodily injury or property damage.

The system’s centrifugal pump operates with electrical

voltage, and can generate both vacuum and pressure in the water

system. When properly wired and plumbed, this pump will operate in a

safe manner.

High voltage can cause serious or fatal injury. Always

install a suitable GFCI at the power source of this unit as an added

safety precaution. Article 681-31 of the NEC requires that a GFCI be

used if this pump is used with a storable pool.

15. Avoid over tightening the pipe threads when connecting fittings to the

pump or valve. Proper procedure is to apply a pipe sealant to the

thread and then install hand tight plus one (1) turn. DO NOT OVER

TIGHTEN.

16. The pump suction line should not be smaller than the pipe on the inlet

of the pump.

17. Electrical connection of the pump should be performed by a

qualified pool and spa service professional in accordance with

the National Electrical Code or your local electrical code.

Pump and Sand Filter System Installation and User’s Guide

9

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18. Use lug on top of motor frame to bond together motor and all metallic

parts of pool, spa, or hot tub structure and all electrical equipment,

metal conduit, and metal piping with a solid copper conductor not less

than No. 8 A.W.G.

19. The pump motor must be wired for the proper voltage in accordance

with the wiring diagram supplied with the motor. Note: Wiring the

motor with the incorrect supply voltage will cause damage to the

motor and void warranty.

20. The wiring to the motor should be kept as short as possible and large

enough NOT to cause excessive voltage drop which could damage

your pump. Use the chart above as a guide to ensure adequate voltage

is supplied to the pump.

21. The product may be furnished with a 6 ft. three (3) prong test

cord. The cord is provided for your convenience to allow you to

check the pump operation before installing the system on the

pool. The test cord should NOT be used for permanent

connection. When checking the pump operation, do not run the pump

longer than 30 seconds. Damage to the pump’s mechanical seal could

result if ran longer than 30 seconds.

Blockage of suction fittings can cause serious or fatal injury

due to drowning. To reduce the risk of injury, do not permit

children to operate this product.

Never work on the pump while it is running or power is still

connected. High voltage can cause serious or fatal injury. A

suitable ground fault interrupter should always be installed

at the power supply source of this unit. Be sure to ground

the motor before connecting to electrical AC power supply.

Failure to ground the motor can cause serious or fatal

electrical shock hazard. DO NOT ground to a gas supply

pipe line.

Pump and Sand Filter System Installation and User’s Guide

Section 3

Operation and Maintenance

Initial Start-Up

10

FOR CORD AND PLUG-CONNECTED UNITS

RISK OF ELECTRICAL SHOCK:

Do Not Bury Cord. Locate cord to minimize abuse from lawn

mowers, hedge trimmers, and other equipment.

To reduce the risk of electrical shock, replace damaged cord

immediately.

To reduce the risk of electrical shock, Do Not Use an

extension cord to connect unit to electrical supply; provide a

properly located outlet.

This filter operates under pressure. With the valve

clamped properly and operated without air in the

system, this filter will operate in a safe manner. Air

entering the filter and the valve not clamped

correctly can cause the valve to separate, which

could cause serious personal injury and/or property

damage.

Always turn pump off before changing valve

positions. Changing valve positions while the pump

is running can damage the control valve, which may

cause serious injury or property damage.

1. Clean a new pool before filling it with water. Excessive dirt and large

particles can cause damage to the pump and sand filter system.

2. Verify the backwash line is open so that water is free to come from

the pool and flow out the backwash line. Set the valve in “Backwash”

position.

Connect only to a ground type receptacle

protected by a Ground Fault Circuit Inter-

rupter (GFCI). Contact a qualified electrician

if you cannot verify that the receptacle is

protected by GFCI.

Pump and Sand Filter System Installation and User’s Guide

11

3. Make sure the pump pot is full with water before starting the pump.

Keep all air vents on underside of motor (or motor enclosure) free of

debris to ensure proper cooling of motor.

4. Check valve clamp on filter for proper assembly. Note: See

instructions under “Installation” section of this manual if in doubt.

5. Open manual air bleeder on filter. STAND CLEAR OF FILTER and

start the pump, allowing it time to prime.

Note: Install electrical controls (e.g., on/off switches, timers, control

systems, etc.) at least five (5) feet from the filter. This will allow you

enough room to stand clear of the filter during system start up.

6. Close the air bleeder on the filter when a steady stream of water

emerges.

Note: Pool Filter Sand is typically prewashed and should not

require extensive backwashing. However, the shipping process

may cause excessive abrasion which could require an extended

backwash cycle at initial start-up; continue to backwash for

three (3) minutes.

7. Stop the pump. Set the valve to the “Filter” position.

8. Ensure all suction and pool return lines are open so that water is free

to come from the pool and return to the pool.

9. Open the manual air bleeder on the filter. STAND CLEAR OF THE

FILTER and start the pump.

10. Close the air bleeder on the filter when a steady stream of water

emerges.

11. The filter has now started its filtering cycle. Be sure the water is

returning to the pool and take note of the operating pressure when the

filter is clean.

To prevent equipment damage and possible injury,

always switch pump off before changing valve position.

Maintenance

Proper care and maintenance of the pump and sand filter system will add

many years of enjoyment to the pool. Follow these suggestions for long

trouble free operation.

Pump and Sand Filter System Installation and User’s Guide

1. To clean the exterior of the pump and sand filter system of dust and

dirt, wash with a mild detergent and water and then hose off. Do not

use solvents.

2. If internal filter maintenance is required, sand may be removed by

removing the entire drain spigot from the bottom of the filter and

flushing with a garden hose.

3. The filter is a pressure vessel and should never be serviced while under

pressure. Always relieve tank pressure and open air bleeder on filter

before attempting to service the filter.

4. When restarting the filter always open the manual air bleeder on the

filter and STAND CLEAR OF FILTER.

5. The strainer basket in the pump should be inspected and cleaned twice

each week. Remove the clear lid and the basket, and clean debris from

basket. Inspect the lid o-ring; if damaged, replace. The pump seal

requires no lubrication. The pump motor should only be serviced by a

motor service center.

12

Cleaning

1. The filter on a new pool should be backwashed, and cleaned after the

first 48 hours of operation to clean out construction debris. There are

three different ways to identify when the filter needs backwashing:

a) The most accurate indicator on pool systems with a flow meter is to

backwash when the flow decreases 30% from original (clean filter)

flow. For example, if the original flow was 60 GPM, the filter should

be backwashed when the flow is reduced by about 20 GPM (or 30%)

to 40 GPM.

b) A more subjective and less accurate indicator is to observe the

amount of water flowing from the flow directionals located in the wall

of the pool. The filter should be backwashed once it is detected that

the flow has been reduced.

c) The most commonly used but least accurate indicator is to

backwash when the filter gauge reading increases 10 psi over the

initial (clean filter) reading.

2. It is important not to backwash the filter solely on a timed basis such

as every three days. It is also important to note that backwashing too

frequently actually causes poor filtration. Factors like weather

conditions, heavy rains, dust or pollen, and water temperatures all

affect the frequency of backwash. As you use your pool, you will

become aware of these influences.

Pump and Sand Filter System Installation and User’s Guide

Filter Backwash Procedure

1. Stop pump.

2. Be sure the suction and backwash lines are open so that water is free

to come from the pool and flow out the backwash line. Set control

valve to “Backwash” position.

3. STAND CLEAR OF FILTER and start pump.

4. Backwash filter for approximately three (3) minutes or until backwash

water is clean.

5. Stop pump and set valve to “Rinse” position.

6. STAND CLEAR OF FILTER and start pump.

7. Rinse the filter for approximately 30 seconds.

8. Stop pump and set valve to “Filter” position.

9. Be sure the pool return line is open so that water may flow freely from

the filter back to the pool.

10. Open manual air bleeder on filter. STAND CLEAR OF FILTER and

start pump.

11. Close manual air bleeder on filter when a steady stream of water

emerges from the bleeder.

12. The filter has now started its filtering cycle. Be sure the water is

returning to the pool and take note of the filter pressure.

13. The filter pressure in Step 12 above should not exceed the pressure

originally observed on the filter when it was initially started. If after

backwashing, the pressure is 4 to 6 psi above the start condition it will

be necessary to chemically clean the sand bed.

13

To prevent equipment damage and possible injury,

always switch pump off before changing valve position.

Pump and Sand Filter System Installation and User’s Guide

Chemical Cleaning

1. It is recommended to use industry standard filter cleaner, available at

pool suppliers. These cleaners remove oils, scale and rust from the

sand bed in one cleaning operation.

2. Mix a solution following the manufacturer's instructions on the label.

3. Backwash the filter with the valve as described above.

4. If the filter is below pool level, switch pump off and close the

appropriate valves to prevent draining the pool.

5. Switch off pump, open filter drain and allow filter to empty. Place valve

in “Backwash” position.

6. After filter has drained, close filter drain and remove the pump strainer

pot lid.

7. Be sure the backwash lines are open.

8. Switch the pump on and slowly pour the cleaning solution into the pump

strainer with the pump running. If filter is below pool, open shut off

valve slightly to allow pump to run.

9. Continue adding solution until the sand bed is saturated with cleaning

solution.

10. Switch off the pump and leave filter in “Backwash” position. Allow the

filter to stand overnight (12 hours).

11. Replace the pump lid and follow backwash procedure as described

above.

12. Do not allow the cleaning solution to get into the pool.

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Pentair Sand Dollar / Cristal-Flo II Aboveground Le manuel du propriétaire

Pentair Sand Dollar / Cristal-Flo II Aboveground Le manuel du propriétaire

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