Installation Guide
Contents
1. ring from the pump housing Remove and replace the rotor Replace the O ring with a new one and reverse the disassembly procedure to reassemble the pump Since these units are self lubricated by the pumped fluid they never need external lubrication Pump should be drained when subjected to freezing temperatures 8 If provided the suction line strainer should be cleaned at regular intervals U Ae W N O Removal of Pump From Existing System For Replacement WARNING Electrical Shock Hazard Disconnect and lockout the power before servicing Failure to follow these instructions could result in serious personal injury death and or property damage WARNING Excessive Pressure Hazard Volumetric Expansion The heating of water and other fluids causes volumetric expansion The associated forces may cause failure of system components and the release of high temperature fluids This can be prevented by installing properly sized and located compression tanks and pressure relief valves Failure to follow these instructions could result in serious personal injury death and or property damage Trouble Shooting Chart LED Indicator Solid green LED indicates pump is powered and functioning properly If flashing green LED please follow the Corrective Actions for the errors below LED Sequence Code eee celce Possible Causes Corrective Action Code Error Run Error 1 Run Error 2 Run Error 3 Run Error 4 Run Error2. 5 Run Error 6 1x Long 4x Short 1x Long 3x Short 1x Long 1x Long 2x Short 1x Long 1x Short 1X Long 2x Short 2x Long 1x Long 1x Short 1x Long 2x Short 1x Long 1x Short 1x Long 1x Short 1x Long Intermittent Operation Pump will not prime 1x Long 1x Short 2x Long 1x Short e Dry Run Error Little or no discharge Noisy pump operation Improperly Wired Foreign object in impeller and housing Overheated pump electronics Leak Obstruction or kink in suction line Suction line closed Pump is worn Housing not filled with water Suction piping too small Total head too high Impeller plugged Air trapped in housing Rotor bearing worn Debris in housing Blown Fuse or open circuit breaker Loose or broken wiring 1 Check Motor wiring diagram Disassemble pump remove object and clean motor separating wall and impeller Disconnect the power to the pump and let the pump cooled down to ambient room temperature Check the fluid s temperature for proper setting Repair as necessary Open then reset the pump by unplugging power to the pump Replace parts Properly prime housing Increase to pump inlet size or one size larger Reduce discharge head Disassemble pump and clean motor separating wall and impeller 1 Check pump prime also turn pump on and off several times to bump air pocket out of pump 2 Replace rotor assembly 3 Dissemble pump and remove
3. Ensure that the power source conforms to the requirements of your equipment Disconnect power before servicing If the power disconnect is out of sight lock in the open position and tag it to prevent unexpected application of power Failure to do so may result in a fatal electric shock Release all pressure within the system before servicing any component Drain liquids from the system before servicing Personal Safety a Wear safety glasses at all times when working with pumps b Keep work area clean uncluttered and properly lighted Replace all unused tools and equipment c Keep visitors at a safe distance from the work area d Make workshop childproof with padlocks master switches and by removing starter keys 7 The motor is designed to be used in a clean dry location with access to an adequate supply of cooling air 8 When wiring an electrically driven pump follow all electrical and safety codes 9 Single phase motors All units are supplied with 115 volt single phase motors 10 All wiring should be performed by a qualified electrician A WARNING Do not handle a pump or pump motor with wet hands or when standing on a wet or damp surface or in water Australia This pump must be installed in accordance with AS3500 Installation The pump should not be used in flammable or explosive atmospheres For installations where property damage might result from an inoperative or leaking pump provide a drip pan to collect leakage Fai
4. INSTRUCTION MANUAL Bell amp Gossett 6 71 075 110 REVISION A a xylem brand Installation Operation and Service Instructions lb INSTALLER PLEASE LEAVE THIS MANUAL FOR THE OWNER S USE A WARNING Before Installing using or servicing this product read the instructions To reduce risk of electrical shock see instructions for proper installation A CAUTION For supply connections use wire suitable for at least 105 C Use copper conductors only Employer des fils d alimentation adequats pour 105 C For indoor use only Employer uniquement a l interieur A WARNING Risk of electric shock this pump has not been investigated for use in swimming pool and marine areas Non submersible Pump Description B amp G centrifugal pumps are designed for circulation and transfer of a variety of fluids compatible with their materials of construction limited to maximum fluid temperatures and maximum line pressures as indicated below Unique leakproof integrated motor pump design eliminates the need for conventional mechanical seals or other shaft sealing devices They are self lubricating and require no external lubrication Model auto vario Cast Iron may be used for water circulating in hydronic systems Model auto vario Bronze may be used for water circulation applications in domestic hot water systems Model auto vario circulators have not been investigated nor is it intended for use in swimming pool and marine areas auto vario Speci
5. amp Gossett is a trademark of Xylem Inc or one of its subsidiaries 2012 Xylem Inc 6 71 075 110A July 2012
6. debris 1 Replace fuse or circuit breaker after reason for overload has been corrected 2 Tighten connections repair wiring If the LED sequence code continues after all corrective actions have been verified and applied please contact your local B amp G representative for assistance and report the run error sequence when the pump is returned for a warranty replacement auto Pump Curve 25 O Setting 1 Setting 2 Setting 3 O Setting 4 O Setting 5 Setting 6 Setting 7 0 2 4 6 8 10 12 14 16 Thermal Safety vario Pump Curve Setting 2 25 o eseting pf Setting 3 O Setting 4 O Setting 5 Setting 6 Setting 7 WARNING Hot Water Hazard Before draining the system allow water to cool to at least 100 F open the drain valve take precautions against water damage and leave the drain valve open until servicing is complete Failure to follow these instructions could result in serious personal injury death and or property damage WARNING Extreme Temperature Hazard If the pump motor or piping are operating at extremely high or low temperature guarding or insulation is required Failure to follow these instructions could result in serious personal injury death and or property damage Xylem Inc 8200 N Austin Avenue Morton Grove Illinois 60053 Phone 847 966 3700 Fax 847 965 8379 xylem Let s Solve Water www xyleminc com brands bellgossett Bell
7. eration of B amp G Pumps Ground the pump back to the service using a copper conductor at least the size of the circuit connectors supplying the pump Connect the ground wire to the ground terminal in the wiring compartment Failure to follow these instructions could result in serious personal injury death and or property damage WARNING Risk of Electric Shock If this pump is supplied with a grounding conductor and grounding type attachment plug to reduce the risk of electric shock be certain that it is connected only to a properly grounded grounding type receptacle WARNING Risk of Electric Shock Do not install this pump in swimming pool or marine areas Failure to follow these instructions could result in serious personal injury death and or property damage Wiring Instructions 1 Loosen the screw securing the motor cover wiring compartment and remove the screw amp cover 2 Attach the appropriate size connector to one of the holes in the side of the conduit box Grounding Foldel s 3 Using a minimum size of 14 AWG copper electrical wire refer to your local code for wiring instructions wire the motor to a single phase power source that matches the electrical rating on the pump nameplate See Fig 3 Use the size of l electrical wire as dictated by local code 4 Connect the ground wire to one of the ground screws inside the conduit box See Fig 3 5 Make sure electrical connections are secured before replacing t
8. fications Min Fluid Max Fluid Max Max Ambient Voltage Freq Rated Max Temp Temp Pressure Temp Range Wattage RPM s COCH CC CF bar PSI CC F V Hz W Cast Iron flanged 5 40 95 203 10 150 40 104 115 230 50 60 60 3100 95 203 10 150 40104 115 230 50 60 60 3100 Materials of Construction wetted parts Part Materials Pump Housing Cast Iron or Bronze Impeller Nylon PPO Carbon Allumina Ceramic All Other Wetted Parts 316 Stainless Steel or Plastic Fig 1 Unpacking When unpacking the unit inspect carefully for any damage that may have occurred during transit Check for loose damaged or missing parts Do not attempt to assemble or operate pump if any parts are missing or damaged General Safety Information 1 Know the pump application limitations and potential hazards A WARNING Pump should only be used with liquids compatible with pump component materials Do not use to pump flam mable or explosive fluids such as gasoline fuel oil kerosene etc Do not use in flammable and or explosive atmospheres A CAUTION These pumps have been evaluated for use with water only For your protection always wear proper clothing eye protection etc in case of any malfunction For proper handling techniques and precautions contact your supplier insurance company and local agencies fire dept etc Failure to comply with this warning may result in personal injury and or property damage N
9. he motor cover TE Line Fazis Grounding Foldel s y Neutral Nulla Fig 3 Operation 1 Completely fill and pressurize the system before operating the pump Do not start the pump until the system has been filled Make sure the isolation valves are fully open and that there is water in the pump 2 Purge air from the system prior to operating the pump These two steps are very important The pump should never be allowed to run dry This can severely damage the pump and will void the warranty 3 Operate the pump for approximately 10 minutes at full speed speed 7 on the dial to purge any remaining air in the system It may be necessary to open a discharge valve port and or fixture to ensure that the air has been purged The pump should be running quietly If a gurgling noise is present it may mean there is still air in the system Turning the pump on and off several times will generally clear the remaining air If this gurgling noise persists recheck the system and re purge the air System and pump should now operate quietly and efficiently A WARNING Ensure that the unit is disconnected from the power source before attempting to service or remove any components Maintenance 1 Since the rotor impeller unit see exploded views is the only moving part its replacement is simple 2 After the power has been disconnected using a counter clockwise motion remove the screw ring housing to motor connection Remove the O
10. late for electrical data The motor is protected Make certain that a properly sized circuit is available Wire size should be based on the current carrying amp capacity of the conductor The pump must be grounded in accordance with the current national and local codes Ground wire should be copper with a current capacity at least equal to that of the wire carrying power to the pump Observe all minimum code requirements for your jurisdiction Isolation valves are recommended for both sides of the pump Valves should be positioned to avoid leakage onto the motor and electrical compartment All elbows tees and sharp bends in the piping should be installed sufficiently upstream or downstream of the suction and discharge ports Avoid welding or soldering close to the pump which could cause damage to the unit After installation the end product must comply with the relevant product standard Product standard regulations must be observed during fitting and electric installation Installation and electric connections shall be carried out by professionals only Electrical Safety WARNING Electrical Shock Hazard Electrical connections are to be made by a qualified electrician in accordance with all applicable codes ordinances and good practices Failure to follow these instructions could result in serious personal injury death and or property damage WARNING Electrical Grounding Hazard Adequate electrical grounding is required for the safe op
11. lure to follow any warning can result in personal injury and or property damage 1 Support the piping independently of the pump B amp G pumps are lubricated by the pumped fluid How they are mounted and the condition of the water in the system are important THOROUGHLY CLEAN and FLUSH the system before installing the pump If the fluid contains a high level of dissolved solids such as dirt sediment or products of corrosion a strainer and or filter should be installed at least 12 before the inlet to the pump W O U A Mounting For installation purposes the arrows on the pump housing indicate the A direction of water flow through the pump Check to make sure the pump N is adequately supported and that neither the pump or the piping is iia a WS stressed Install the pump at a point closest to the highest static pressure point but above the absolute lowest point in the system to avoid dirt and sediment build up If required by application and code install a safety HL relief valve to protect against over temperature and pressure Do not am mount with the motor above the impeller This can cause the pump to run dry leading to premature failure of the pump which voids the warranty Fig 2 Electrical These instructions must be followed to reduce risk of electrical shock All work should be performed by a qualified electrician and in accordance with the current national and local electrical codes and regulations Consult the namep
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