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ENGLISH | 21

10.1. Connection of pumps and mixers

Risk of electrocution!
Improper use of electricity can be fatal! All pumps with exposed cable ends must be connected by a qualified electrician.

Risque d‘électrocution !
Une mauvaise utilisation de l‘électricité peut être fatale ! Toutes les pompes dont les extrémités de câble sont exposées
doivent être raccordées par un électricien qualifié.

10.1.1 Power cables

Pumps in Star 3-phase version

Cable identification Motor

Terminal in control cabinet

Pumps in Direct start version

Cable identification Motor

Terminal in control cabinet

10.1.2 Control cables

Depending on the design of the pump/agitator, it may be that no separate control cable is used. In this case monitoring

devices are run from the power cable.

Cable identification Motor

Monitoring system

Monitoring in winding

T1 / T2

Temperature limiter (2 switches in series)

T1 / T4

Temperature controller (2 switches in series)

T1 / T2 / T3

Temperature limiter and controller

K1 / K2

PTC – Thermistor (3 thermistors in series)

PT1 / PT2

3 x PT100 individually installed

PT3 / PT4
PT6 / PT6

Bearings monitoring

P1 / P2

PT100 upper bearing

P3 / P4

PT100 lower bearing

Seal monitoring

S1 / S2

Seal monitoring in oil chamber

S3 / S4

Seal monitoring in connection compartment

S5 / S6

Seal monitoring in Motor compartment with 2 Electrodes

S7 / S8

Seal monitoring in Motor compartment with float switch

S9 / S10

Seal monitoring in Gearbox (Agitator)

S11 / S12

Seal monitoring in Leakage compartment (internal cooling)

Heating

H1 / H2

Heating system

Содержание TP30-70

Страница 1: ...Installation Operation and Maintenance Manual TP30 70 Version 11 2021 ...

Страница 2: ...very 08 4 2 Transport 08 4 3 Storage 09 4 4 Returning to the supplier 09 5 Installation and initial commissioning 10 5 1 General 10 5 2 Installation 11 5 3 Use of chains 12 5 4 Initial operation 12 5 5 Preparatory work 12 5 6 Electrical 12 5 7 Direction of rotation 14 5 8 Motor protection 14 5 9 Variable Frequency Drives 14 5 10 Types of startups 14 6 Maintenance 15 6 1 General 15 6 2 Maintenance ...

Страница 3: ...ely or in part or used for any other purpose without the expressed consent of the man ufacturer 1 5 Technical terms Various technical terms are used in this operating and maintenance manual Dry run The product is running at full speed however there is no liquid to be pumped A dry run is to be strictly avoided If necessary a safety device must be installed wet installation type This installation ty...

Страница 4: ...ey should be expressly marked as fastening devices Otherwise they should be carefully stored Mobile working equipment for lifting loads should be used in a manner that ensures the stability of the working apparatus during operation When using mobile working equipment for lifting non guided loads measures should be taken to avoid tipping and sliding etc Measures should be taken that no person is ev...

Страница 5: ...he owner All per sonnel are responsible for ensuring that regulations are observed Certain parts such as the rotor and impeller rotate during operation in order to pump the fluid Certain materials can cause very sharp edges on these parts Beware of rotating parts The moving parts can crush and sever limbs Never reach into the pump unit or the moving parts during operation Switch off the machine an...

Страница 6: ... density viscosity or the general composition change this can also alter many parameters of the product Different materials and impeller shapes are required for different pumped fluids The more exact your specifications on your order the more exactly we can modify our product to meet your requirements If the area of application and or the pumped fluid change we will be happy to offer supportive ad...

Страница 7: ...of the stator and shaft with impeller assembly The cable for the power supply is de signed for maximum mechanical performance in accor dance with the characteristic or pump name plate Both the cable entries and the line are water pressure tight to the depth provided on the name plate The shaft bearing assembly is supported via robust maintenance free and permanently lubricated roller bearings All ...

Страница 8: ... sealing cavity containing white mineral oil Oil condition may be monitored using the inspection plug on the bear ing housing and optional electronic monitoring 3 3 5 Volute The pump may be equipped with a stationary wear ring which can be found in the intake port This wear ring deter mines the gap between the impeller and the intake port If this gap is too big the performance of the pump decreas ...

Страница 9: ...er les extrémités des câbles dans le fluide pompé ou dans d autres liquides The machine must be protected from direct sun light heat dust and frost Heat and frost can cause considerable damage to impellers rotors and coat ings The impeller must be turned at monthly intervals This prevents the bearing from locking and the film of lubricant on the mechanical shaft seal is renewed This also prevents ...

Страница 10: ...edium which can lead to unfavorable operating conditions and result in increased wear Do not install more than one check valve into any pip ing system or problems will occur No Description 1 Pipe 2 Coupling system 3 Wet well 4 Inlet 5 Baffle plate 6 min liquid level 7 Pump External Seal Probe Installation Procedure If provided Mechanical Seal Leak Detection probe has been shipped loose to protect ...

Страница 11: ...ob where necessary Check the correct installation dimensions of the pump s see dimensional drawings in the appendix Drill mounting holes for the guide rail bracket on the inside edge of the shaft opening If this is not possi ble due to the space available the guide rail bracket can also be mounted in an offset position with a 90 folded plate on the underside of the shaft cover Pro visionally faste...

Страница 12: ...tial operation may only be carried out by qual ified and trained personnel accompanied by an au thorized HOMA representative following the safety instructions All staff working on the machine must receive read and understand the instructions Activate all safety devices and emergency stop switches before initial operation Electrical and mechanical adjustments may only be performed by professionals ...

Страница 13: ...tems utilize two separate conductors for each leg of the circuit With either system the seal probe leads must be wired into a control circuit provided in the control panel This control circuit must energize the probe with a regulated power source and sense the closed circuit in event of wa ter intrusion Indication and alarm functions must also be provided in the control circuit Please see control ...

Страница 14: ...ems often occur we recommend the additional use of protective devices e g overvoltage protection or under voltage pro tection or phase failure relays lightning protection etc When connecting the machine the local and legal require ments must be adhered to 5 9 Variable Frequency Drives Special considerations must be taken when operating pumps with variable frequency drives inverters The in verter c...

Страница 15: ... machine After work ing on the machine all cleaning materials and tools should be removed from it All materials and tools should be stored in an appropriate place Operating supplies such as oil and lubricants must be collected in appropriate vessels and proper ly disposed Appropriate protective clothing is to be worn for cleaning and maintenance jobs Only lubricants expressly recommended by the ma...

Страница 16: ...This may be the result of defective shaft seals In this case the condition of the shaft seals should be checked by a HOMA Service shop Oil type Mineral Oil Used oil has to be disposed according to the existing envi ronmental rules and regulations Functional inspection of safety and control devices Monitoring devices are temperature sensors in the motor oil chamber monitors motor protection relays ...

Страница 17: ...es stated are for clean lubricated screws Fixing torque ft lbs for screws A2 A4 Coefficient of friction 0 2 A2 A4 Hardeness class 70 A2 A4 Hardeness class 80 DIN912 DIN933 DIN912 DIN933 M6 5 ft lbs 9 ft lbs M8 12 5 ft lbs 21 ft lbs M10 24 ft lbs 43 ft lbs M12 42 ft lbs 73 5 ft lbs M16 103 ft lbs 180 5 ft lbs M20 201 5 ft lbs 364 5 ft lbs 7 2 Changing the impeller and volute Changing the impeller a...

Страница 18: ...re of hot parts When removing the machine be careful of the tem perature of the housing components These can heat up to well above 104 F Let the machine cool down to ambient temperature before you touch it Attention aux composants chauds Lors du démontage de la machine faire attention à la température des composants du boîtier Ces appareils peuvent atteindre une température bien supérieure à 40 C ...

Страница 19: ...sures de sécurité appropriées Demandez toujours à une deuxième personne de s assurer que la machine est éteinte en cas d urgence Attachez les pièces mobiles pour éviter les blessures Toute intervention indépendante sur la machine se fait à ses propres risques et libère le fabricant de toute obligation au titre de la garantie The machine will not start Cause Solution Electricity supply interrupted ...

Страница 20: ...fective parts Inadmissible levels of gas in the pumped liquid Contact the factory Two phase operation Have a specialist inspect the connection and correct it as necessary The machine does not run smoothly and is noisy Cause Solution Machine is running in an impermissible operation range Check the operational data of the machine and correct if necessary and or ad just the operating conditions The s...

Страница 21: ... of the pump agitator it may be that no separate control cable is used In this case monitoring devices are run from the power cable Cable identification Motor Monitoring system Monitoring in winding T1 T2 Temperature limiter 2 switches in series T1 T4 Temperature controller 2 switches in series T1 T2 T3 Temperature limiter and controller K1 K2 PTC Thermistor 3 thermistors in series PT1 PT2 3 x PT1...

Страница 22: ...22 ENGLISH Notizen Notes ...

Страница 23: ...ENGLISH 23 ...

Страница 24: ...HOMA Pump Technology 390 Birmingham Blvd Ansonia CT 06401 Phone 203 736 8890 Fax 203 736 8899 e Mail info homapump com Internet www homapump com Version 11 2021 ...

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