Xylem Flygt 3201 Installation Operation & Maintenance Download Page 41 | Manualshive

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Xylem Flygt 3201 Installation Operation & Maintenance Download Page 41

Service of the...

Action

Mechanical seal

Replace with new seal units.

Service in case of alarm

Alarm source

Action

The thermistor/Thermal contact

Check that the cooling jacket is not clogged. Clean if necessary.

The overload protection

Check that the impeller can rotate freely.

Maintenance

Flygt 3201 Installation, Operation, and Maintenance Manual

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Summary of Contents for Flygt 3201

Page 1: ...Flygt 3201 Installation Operation and Maintenance Manual...

Page 2: ......

Page 3: ...nstall the pump 17 Install with P installation 17 Install with S installation 18 Install with T Z installation 19 Make the electrical connections 21 General precautions 21 Requirements 21 Cables 21 Ea...

Page 4: ...e of alarm 39 Troubleshooting 40 Introduction 40 The pump does not start 40 The pump does not stop when a level sensor is used 41 The pump starts stops starts in rapid sequence 41 The pump runs but th...

Page 5: ...ervice application without the approval of an authorized Xylem representative Never operate the pump without safety devices installed Never operate the pump with the discharge valve closed NOTICE For...

Page 6: ...s installed Failure to do so may result in hearing loss or violation of local laws The work area Observe these regulations and warnings in the work area Always keep the work area clean Pay attention t...

Page 7: ...e safety precautions before you work with the product or are in connection with the product Provide a suitable barrier around the work area for example a guard rail Make sure that all safety guards ar...

Page 8: ...disassembling units These methods must be adhered to Trapped liquid can rapidly expand and result in a violent explosion and injury Never apply heat to impellers propellers or their retaining devices...

Page 9: ...detectors Environmental safety The work area Always keep the pump station clean to avoid and or discover emissions Recycling guidelines Always recycle according to these guidelines 1 If the unit or pa...

Page 10: ...consulting Xylem Incorrectly executed repair work Normal wear and tear Xylem assumes no liability for these situations Bodily injuries Material damages Economic losses Warranty claim Xylem products a...

Page 11: ...fting the unit Always use lifting equipment when handling the unit When you use a lifting eyebolt or shackle for lifting the unit make sure that the eyebolt or shackle is fastened firmly before liftin...

Page 12: ...NOTICE Oversized lifting equipment could cause damage if the unit should stick when being lifted Store the unit 1 After raising the unit allow it to run for a short time to discharge all remaining pu...

Page 13: ...ion about pH see Application limits page 44 Spare parts Modifications to the unit or installation should only be carried out after consulting with Xylem Original spare parts and accessories authorized...

Page 14: ...n integrated rotor 4 Bearing The main bearing consists of a two row angular contact ball bearing The support bearing consists of a single row roller bearing 5 Oil housing A housing with oil that lubri...

Page 15: ...temperature The sensors are only optional for standard pumps NOTICE Thermistor must never be exposed to voltages higher than 2 5 V If the voltage exceeds this value for example when the control circui...

Page 16: ...ree of protection 13 Rated current 14 Rated speed 15 Maximum submergence 16 Direction of rotation L left R right 17 Duty class 18 Duty factor 19 Product weight 20 Locked rotor code letter 21 Power fac...

Page 17: ...m ambient temperature 14 Serial number 15 ATEX marking Figure 2 EN approval plate EN approval for cable entry Certificate number INERIS 02ATEX9008 U II 2 G or IM2 EEx d IIC or EEx dI FM This illustrat...

Page 18: ...ists of nine characters divided into two parts This is an example of a product code and an explanation of its parts 3085 183 1 2 NP 1 Sales denomination 2 Version Serial number The serial number is us...

Page 19: ...rules apply to installation in explosive atmospheres Make sure that the pump cannot roll or fall over and injure people or damage property Do not install CSA approved products in locations that are c...

Page 20: ...rs are placed vertically Use a level or a plumb line 6 Connect the discharge pipe to the discharge connection 7 Prepare for the level regulator a Bolt the cable holder to the access frame b Thread the...

Page 21: ...operation 5 Connect the motor cable and the starter and monitoring equipment according to the separate instructions Make sure that the impeller rotation is correct For more information see Check the...

Page 22: ...lations 1 Fasten the pump a Use the anchor bolts to bolt the support stand to the concrete base b Bolt the pump to the support stand and the suction connection 2 Make sure that the pump is vertical fo...

Page 23: ...by a yellow sticker close to the cable entry The fuses short circuit and circuit breakers must have the proper rating and the pump overload protection motor protection breaker must be connected and s...

Page 24: ...nal Make sure that the earth ground conductor is longer than the phase conductors This applies to both ends of the motor cable Risk of electrical shock or burn You must connect an additional earth gro...

Page 25: ...gher than 250 V breaking current maximum 4 A It is recommended that they are connected to 24 V over separate fuses to protect other automatic equipment 1 If thermal contacts are included in the pump i...

Page 26: ...leads Mains SUBCAB 7GX SUBCAB 4GX SUBCAB AWG L1 Black 1 Brown Red L2 Black 2 Black Black L3 Black 3 Grey White Yellow Green Yellow Green Yellow Green Groundcheck GC Yellow Color and marking of the co...

Page 27: ...power cables with D connection D connection U2 W2 V2 V1 U1 W1 T1 T2 L1 L2 L3 T1 T2 1 4 2 5 3 6 1 4 2 5 3 6 T1 T2 T1 T2 T1 T2 W2 U1 V1 U2 W1 V2 SUBCAB SUBCAB SUBCAB 7GX 6 stator leads Y D connection T...

Page 28: ...th Y and D connections Y connection D connection U2 W2 V2 V1 U1 W1 T1 T2 GC L2 L1 L3 T1 T2 T1 T2 T1 T2 T1 T2 U1 V1 U2 V2 SUBCAB SUBCAB GC L1 L2 L3 W1 W2 U2 W2 V2 V1 U1 W1 T1 T2 GC L2 L1 L3 T1 T2 T1 T2...

Page 29: ...AB 4GX SUBCAB AWG 3 phase power cable with Y parallel connection 60 Hz only Y parallel connection L1 L2 L3 L3 V1 W1 T1 T2 U1 T1 W2 U1 V1 U2 W1 V2 SUBCAB SUBCAB GC L1 L2 T1 T2 3 V2 W2 U2 GC T2 T1 T2 GC...

Page 30: ...sor connection FLS and Thermal contact Value 0 mA Overtemperature 7 8 mA OK 36 mA Leakage The values have a 10 tolerance CLS and Thermal contact only standard version Value 0 mA Overtemperature 5 5mA...

Page 31: ...s have a 10 tolerance Two FLS and Thermal contact only standard version Thermal contact Check the impeller rotation WARNING The starting jerk can be powerful 1 Start the motor 2 Stop the motor 3 Check...

Page 32: ...the impeller rotates in the wrong direction do one of these steps If the motor has a 1 phase connection contact the local Xylem shop If the motor has a 3 phase connection transpose two phase leads and...

Page 33: ...property In some installations the pump and the surrounding liquid may be hot Bear in mind the risk of burn injuries Make sure nobody is close to the pump when it is started The pump will jerk in the...

Page 34: ...2 M16 M20 M24 M30 Torque Nm ft lbs 70 80 2 7 2 5 4 4 9 3 6 9 22 16 44 32 76 56 187 138 364 268 629 464 1240 915 Carbon steel and alloyed steel Torque Nm ft lbs 8 8 2 9 2 1 5 7 4 2 9 8 7 2 24 18 47 35...

Page 35: ...New oil plugs New O rings Oil drainage pump 83 95 42 or equivalent Oil Oil type Viscosity Amount Medical white oil of paraffin type that fulfills FDA 172 878 a ISO VG32 7 5 liters 7 92 US quarts 1 Un...

Page 36: ...be replaced the wear ring in the pump housing the impeller wear ring Replace the wear ring in the pump housing diffuser ring or suction cover Figure 8 The wear ring in the pump housing 1 Knock off the...

Page 37: ...If necessary saw grooves in the wear ring using a hacksaw 3 Heat the new impeller wear ring and press it onto the impeller 4 Before assembling the pump housing or diffuser ring with the drive unit en...

Page 38: ...ar protections 1 Prepare the shaft a Make sure that the end of the shaft is clean and free from burrs Polish off any flaws with a fine emery cloth b Make sure that the key is seated in the keyway on t...

Page 39: ...rotated by hand 2 Tighten the sleeve screws evenly until the wear protection is flush against the impeller 3 Back off the sleeve screws a quarter turn 4 Tighten the lock nuts evenly all around 5 Fit a...

Page 40: ...ng handle 3 Replace if necessary O rings 1 Replace the oil plug O rings 2 Replace the O rings at the entrance or junction cover 3 Grease the new O rings Overload protection and other protections Check...

Page 41: ...e in case of alarm Alarm source Action The thermistor Thermal contact Check that the cooling jacket is not clogged Clean if necessary The overload protection Check that the impeller can rotate freely...

Page 42: ...ot start automatically but can be started manually Check that The start level regulator is functioning Clean or replace if necessary The thermal contacts have not opened All connections are intact The...

Page 43: ...ocal Xylem service shop Always state the serial number of your pump when you contact Xylem see Product Description page 11 The pump starts stops starts in rapid sequence Cause Remedy The pump starts d...

Page 44: ...the insulation between the phases and between any phase and ground is 5 megohms 2 If the insulation is less Contact the local Xylem service shop The density of the pumped fluid is too high Make sure...

Page 45: ...Check that the impeller is properly trimmed The pipes are obstructed Clean out the pipes to ensure a free flow The pipes and joints leak Find the leaks and seal them There are signs of wear on the im...

Page 46: ...pumps 3 14 for stainless steel pumps Depth of immersion 20 m 65 ft maximum Other For the specific weight current voltage power ratings and speed of the pump see the data plate of the pump Motor data F...

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Page 48: ...ctories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise bac...

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