PENTAIR 348195SR OptiFlo 1.THP Above Ground Pool Pump User Guide

PENTAIR 348195SR OptiFlo 1.THP Above Ground Pool Pump

Product Information

This product is a centrifugal pump designed for use in water systems. It is made from high-quality thermoplastic materials that provide corrosion resistance. The pump operates with electrical voltage and can generate both vacuum and pressure in the water system. It is recommended to follow all safety instructions and guidelines for proper installation, operation, and maintenance.

Product Usage Instructions

1. Inspect the carton for any damage during shipment. If any damage is found, notify the freight carrier immediately.
2. Carefully remove the pump from the carton.
3. Secure the pump to a flat and solid foundation, ensuring it is elevated enough to prevent flooding of the motor. Choose a sheltered location that allows for adequate ventilation.
4. Before installing the product, read and follow all warning notices and instructions provided with the pump. Failure to do so may result in severe injury, death, or property damage.
5. Connect the pump to a grounding type receptacle protected by a ground-fault circuit-interrupter (GFCI). If you are unsure if the receptacle is protected by a GFCI, consult a qualified electrician.
6. Avoid burying the electrical cord to minimize potential damage from lawn mowers, hedge trimmers, and other equipment.
7. If the electrical cord is damaged, replace it immediately to reduce the risk of electrical shock.
8. Do not use an extension cord to connect the unit to an electric supply. Ensure there is a properly located outlet available.
9. Mount the unit to the base in accordance with the installation instructions to ensure continued protection against possible electrical shock.
10. For optimal operation, use the low speed setting for quiet operation and electrical cost savings. Adjustments may be required in other equipment, such as the automatic chlorine dispenser, skimmers, and heater, due to the lower flow. Refer to the equipment manufacturer’s operation manuals for guidance.
11. Use the high speed setting for tasks such as vacuuming the pool, quick filtering action, priming the system, and handling heavy bathing loads.

WARNING

To reduce the risk of injury, do not permit children to use this product unless they are closely supervised at all times.
  WARNING

Before installing this product, read and follow all warning notices and instructions accompanying this pump. Failure to follow safety warnings and instructions can result in severe injury, death, or property damage. Call 800-831-7133 for additional free

copies of these instructions.

Important Notice

| Attention Installer.

This manual contains important information about the installation, operation and safe use of this product. This information should be given to the owner/operator of this equipment.

PUMP SAFETY INSTRUCTIONS

When installing and using this electrical equipment, basic safety precautions should always be followed, including the following:

  WARNING

| RISK OF ELECTRICAL SHOCK OR ELECTROCUTION

This pool pump must be installed by a licensed or certified electrician or a qualified pool serviceman in accordance with the National Electrical Code and all applicable local codes and ordinances. Improper installation will 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.

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 serviceman, pool users or others due to electric shock.

  WARNING

Risk of Electrical Shock. Connect only to a grounding type receptacle protected by a ground-fault circuit-interrupter (GFCI). Contact a qualified electrician if you cannot verify that the receptacle is protected by a GFCI.
  WARNING

Do not bury the electrical cord. Locate the cord to minimize the abuse from lawn mowers, hedge trimmers, and other equipment.

  WARNING
To reduce the risk of electrical shock, replace the damaged cord immediately.
  WARNING

To reduce the risk of electrical shock, do not use an extension cord to connect the unit to the electric supply; provide a properly located outlet.
  WARNING

For continued protection against possible electrical shock, this unit is to be mounted to the base in accordance with the installation instructions.
Important Notice

This 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.
  CAUTION

This pump is for use with permanently installed pools and may also be used with hot tubs and spas. Do not use with storable pools unless pump is protected by factory installed double insulated enclosure. 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 may be readily disassembled for storage and reassembled to its original integrity and has a maximum dimension of 18 feet and a maximum wall height of 42 inches.

READ AND FOLLOW ALL SAFETY INSTRUCTIONS SECTION I. HOW YOUR PUMP WORKS
Your centrifugal pump is designed to operate for years with proper maintenance. The pump housing, seal plate, hair and lint pot and impeller are made from high quality thermoplastic materials. These materials have been selected for their corrosion resistance nature. When installed, operated and maintained in accordance with these instructions, your pump will provide years of service.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 pre-strain large particles. The flow then enters the center of the pump housing. If the pump does not contain the hair and lint pot assembly, the flow simply enters the center of the pump housing. The flow goes through the impeller and out the pump discharge port. 2-Speed Pump Models: The performance of this pump will be the same at high speed as the same model single speed pump, hydraulically. At low speed the pump will produce one half the flow and 1/4 the pressure of high speed. However, the pressure required by the filter and pool plumbing at half flow will also be greatly reduced due to much lower system friction. These lower friction losses result in good energy savings. At one half flow (low speed) the electrical energy savings are 60% for equal amounts of circulated water. Turn the motor to low speed for quiet operation and electrical cost savings. Since the pump should be operated mostly at low speed for cost savings, minor adjustments may be required in the automatic chlorine dispenser, the skimmers and the heater due to the lower flow. (See the equipment manufacturer’s operation manuals.) Pool owners should use high speed for vacuuming the pool, quick filtering action, priming the system, and to keep up with heavy bathing loads.

INSTALLATION

1. Check carton for any evidence of damage due to rough handling in shipment. If carton or any pump components are damaged, notify freight carrier immediately.
2. After inspection, carefully remove pump from carton.
3. The pump should be secured to a flat solid foundation, high enough to prevent flooding of the motor. A sheltered location is best, being sure to allow for adequate ventilation.
4. Provide space and lighting for routine maintenance access. Do not mount electrical controls directly over pump.
5. The pump should be installed as near to the pool or spa as practical. Avoid installing the pump above the water level. Suction lifts of more than 1/2 foot will cause very long priming times, and potentially damage the pump.
6. The location should provide for adequate floor drainage to prevent flooding.
7. When installing your pump, remember to provide valves or other means to disconnect the pump suction and discharge for servicing.

8. Never store pool chemicals within 10 ft. of your pool filter and pump. Pool chemicals are corrosive and should always be stored in a cool, dry, well ventilated area
     WARNING

   Chemical fumes and/or spills can cause severe corrosive attack to the filter and pump structural components. Structurally weakened filter or pump components can cause filter, pump or valve attachments to separate and could cause severe bodily injury or property damage.

9. Assemble piping and pipe fittings to pump and valve. All piping must conform to local and state plumbing and sanitary codes.
10. Use threaded seal tape or pipe sealants on all male connections of pipe and fittings. Use only pipe sealant compounds suited for plastic pipe. Support pipe to prevent strains on filter, pump or valve. DO NOT USE PETROLEUM BASED PRODUCTS.
11. Avoid over tightening the pipe threads when connecting fittings to the pump. Proper procedure is to apply a pipe sealant to the thread and then install hand tight plus 1 1/2 turns. DO NOT OVER TIGHTEN.
12. Long piping runs and elbows restrict flow. For best efficiency use the fewest possible fittings, large diameter pipe (at least 1 1/2”) & locate equipment as close to the pool as possible. The pump suction line should not be smaller than the pipe size on the inlet of the pump.

13. It is essential that the suction line be free of air leaks and air traps.
      WARNING

    Blockage of suction fittings can cause severe or fatal injury due to drowning. Do not permit children to use pool/spa equipment.

14. Suction fittings must conform to ASME/ANSI A 112.19.8 M Standards. Use double suction fittings.

15. The maximum operating pressure of this unit is 25 pounds per square inch. Never operate this pump above this pressure.
    This pump is not intended to be operated in series with other pumps WARNING

    To reduce the risk of injury, do not permit children to use this product.

16. Wiring of this pump should be performed by a licensed electrician in accordance with the National Electrical Code  or your local electrical code.
    WARNING

    Never work on pump while it is running or power is still connected; hazardous voltage can cause severe or fatal injury. A suitable ground fault interrupter should always be installed at the power supply source of this unit.

17. The pump motor must be wired for the proper voltage in accordance with the wiring diagram supplied with the m Wiring the motor with the incorrect supply voltage will cause damage to the motor and void the warranty.

18. The wiring to the motor should be kept as short as possible and large enough NOT to cause an excessive voltag drop. Use the wire size table as a guide in selecting minimum conductor size.
    RECOMMENDED CIRCUIT BREAKER AND WIRING DATA

    MOTOR HP| BRANCH CIRCUIT| VOLTS Hz/PHASE| DIST. IN FT. OF BRANCH CIRCUIT|

MIN. SERVICE WIRE SIZE

TO MOTOR

0-50 FT.| 50-100 FT.
3/4| 15 A| 115/60/1| #14| #14
1| 15 A| 115/60/1| #12| #12
1-1/2| 20 A| 115/60/1| #12| #10
1-1/2| 15 A| 230/60/1| #14| #14
19. Install, ground and bond wire according to local or National Electrical Code requirements
GROUNDING

20. Permanently ground motor. Use green terminal provided under motor canopy or access plate; use size and type wire  required by code. Connect motor ground terminal to electrical service ground. On cord connected circuits, check for proper grounding.
    BONDING – (for permanently wired pumps)

21. The National Electrical Code requires that the motor be electrically bonded to appropriate permanently installed pool or spa/hot tub structure by a solid copper conductor no smaller than No. 8 AWG. Bon wire should be connected from the accessible wire connector on the motor shell to all metal parts of the swimming pool, spa or hot tub structure and to all electrical equipment, metal conduit and metal piping within 5 feet of the inside walls of a swimming pool, spa or hot tub. A grounding lug is provided on the exterior of the motor shell for this purpose.

WARNING

(For cord and plug-connected units) Do not bury cord. Locate cord to minimize abuse from lawn mowers, hedge trimmers and other equipment.
WARNING

(For cord and plug-connected units) To reduce the risk of electric shock, replaced damaged cord immediately.
  WARNING

(For cord and plug-connected units) To reduce the risk of electric shock, do not use extension cord to connect unit to electric supply; provide a properly located outlet.
CAUTION

Do not install within an outer enclosure or beneath the skirt of a hot tub or spa unless so marked.

INITIAL START-UP

1. Relieve all system pressure and open all air bleeders on total hydraulic system prior to starting the pump. See filter owner’s manual.
2. Ensure that all fittings, clamps, closures and couplings are tight and in accordance with equipment manufacturer’s recommendations.
3. Open suction and discharge valving to allow free flow of water. On flooded suction pumps with strainer pot the water source is higher than the pump. The water will flow into the pump strainer pot and the pot will fill with water. On pumps without strainer pot the water will fill the pump housing.
4. On non-flooded suction systems the pot lid clamp will have to be removed by rotating the lid counter-clockwise to a stop and lifting the clamp.
5. The pump strainer pot should be filled with water up to suction opening on the pump.
6. It is good practice to lubricate the lid o-ring with silicone lubricant each time the lid is removed. The o-ring should be cleaned and inspected every time the strainer pot is opened.
7. The lid should be replaced on the pot by aligning the clamp ears with the slots on the strainer pot. Press the lid and clamp down and twist the clamp clockwise to engage.
8. The pump is now ready to prime. Turn the motor on and the pump will prime. The time to prime will depend on the suction lift and the distance and size of suction piping. Turn off power if the pump does not prime within five minutes and refer to the Troubleshooting Guide section of this manual.

CAUTION
DO NOT run the pump dry. Continued operation in this manner could cause a loss of pressure, resulting in damage to the pump case, impeller and seal, and may cause property damage or personal injury.

PUMP OPERATION AND MAINTENANCE

WARNING

DO NOT open the strainer pot if pump fails to prime or if pump has been operating without water in the strainer pot. Pumps operated in these circumstances may experience a build up of vapor pressure and may contain scalding hot water. Opening the pump may cause serious personal injury. In order to avoid the possibility of personal injury, make sure the suction and discharge valves are open and strainer pot temperature is cool to touch, then open with extreme caution.

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. Refer to motor service centers for motor servicing.

DISASSEMBLY/ASSEMBLY PROCEDURE FOR SEAL REPLACEMENT

WARNING

Never work on pump while it is running or power is still connected. Hazardous voltage can cause severe or fatal injury.

1.  Stop pump and relieve system pressure.
2. Disconnect motor power at Circuit Breaker.
3. Close suction and discharge valves.
4. Use extreme care when handling the mechanical seal. The mating seal surfaces are polished and are easily damaged.
5. The mechanical seal can be changed without disconnecting piping by removing 4 bolts (see item 14 on page 9) and pulling the motor with pump seal plate and impeller assembly away from front pump housing body.
6. Remove impeller and rotating portion of seal by holding motor shaft and rotating the impeller counter-clockwise when facing the shaft extension on the motor.
7. The rotating portion of the seal can now be removed from the impeller. Clean the impeller hub and lubricate with soapy water. Wipe off shining carbon sealing surface of new mechanical seal with a clean tissue to remove oily fingerprints or other foreign materials. The new rotating seal can be pressed back onto the impeller.
8. To remove the stationary ceramic seal seat, first loosen the four motor bolts which run through the entire length of the motor into the seal plate. Remove the seal plate from the motor. Press the ceramic seat and rubber gasket out of the seal plate.
9. Clean the seal plate seal area and lubricate with soapy water. Press the new ceramic seal and gasket into the seal plate, being sure it is fully seated. Wipe off the ceramic sealing surface with a clean tissue to remove oily fingerprints or foreign substances.
10. Place the seal plate on the motor and carefully align the four motor through bolts. Secure the seal plate onto the motor being careful not to overtighten the bolts. Gradually bring bolts up to final tightness by moving across in a criss-cross pattern.
11. Check the position of the mechanical seal set in the seal plate and ensure the motor shaft is in the center of the seal set.
12. Screw the impeller with new rotating seal onto the motor shaft. Rotate the motor shaft to make sure the impeller is not touching the seal plate.
13. Clean the seal plate “O” Ring and check to make sure it is in position. Replace the motor and seal plate on the front pump housing body and bolt into position with 4 bolts. Gradually bring bolts up to final tightness by moving across in a criss-cross pattern.
14. Refer to initial start-up procedures to restart the pump.

WINTERIZING PROCEDURE

NOTICE
Allowing the water to freeze in pump will damage the pump and cause potential water damage/flooding and potential property damage.

1. Drain all water from pump housing and piping when freezing temperatures are expected. A drain plug is provided to drain the pump. If the pump has a strainer pot both the strainer drain plug and the housing drain plug should be removed. If pump has no strainer pot then only remove the housing plug.
2. If the pump can be removed and placed in an inside dry location this should be done.
3. For an outdoor unprotected location it is best to protect the equipment in a weatherproof enclosure.
4. Do not wrap the motor with plastic because condensation could form inside the motor.
5. In installations where the pump cannot be drained a 40% propylene glycol 60% water solution will protect to -50° F.

NOTICE
Do not use anti-freeze solutions except propylene glycol, as other anti-freeze is highly toxic and will damage the pump.

TROUBLESHOOTING GUIDE

The following are some common causes of problems that may arise.

all
 | Pump is on low speed (two-speed units only).| Adjust to high speed.
 | Air leak in suction line.| Find and fix leak.
 | Water level is too low and the pump cannot lift.| Adjust pump level and insure it is below water level.
Low flow — high filter pressure.| Filter is dirty.| Clean filter.
 | Restriction in return line.| Open return line restriction.
Low flow — low filter pressure.| Strainer basket or skimmer basket clogged.| Clean basket.
 | Clogged impeller.| Clean obstruction.
 | Air leak in suction line.| Find and fix leak.
 | Restriction in suction line.| Find and open restriction.
Motor does not turn.| Power switch is off.| Check power switch and reset.
 | Circuit breaker has tripped.| Check circuit breaker and reset; if retrips contact electrician.
 | Pump is in off-mode of a timer controlled circuit.| Check timer mode.

TECHNICAL DATA

REPLACEMENT PARTS

FOR MOTOR REPLACEMENT CONSULT FACTORY CUSTOMER SERVICE800-831-7133

NOT SHOWN

• 79137800 Cord – 3 Ft. long, Standard 15 Amp Plug
• 155234 Cord – 3 Ft. long, Twist Lock 15 Amp Plug

REPLACEMENT PARTS (BASE MOUNTED UNITS)

For cord and plug connected units, the base should be mounted as shown.

DIMENSIONAL DATA

OptiFlo® Aboveground Pool Pump Curves

1620 HAWKINS AVE., SANFORD, NC 27330 • 919-566-8000
10951 WEST LOS ANGELES AVE., MOORPARK, CA 93021 • 805-553-5000
WWW.PENTAIRPOOL.COM
All Pentair trademarks and logos are owned by Pentair, Inc. Pentair Aquatic Systems™ and OptiFlo® are trademarks and/or registered trademarks of Pentair Water Pool and Spa, Inc. and/or its affiliated companies in the United States and/ or other countries. Unless expressly noted, names and brands of third parties that may be used in this document are not used to indicate an affiliation or endorsement between the owners of these names and brands and Pentair Water Pool and Spa, Inc. Those names and brands may be the trademarks or registered trademarks of those third parties. Because we are continuously improving our products and services, Pentair reserves the right to change specifications without prior notice. Pentair is an equal opportunity employer.
© 2012 Pentair Aquatic Systems. All rights reserved. This document is subject to change without notice.
152012

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