Installation, Operation, and Maintenance Manual
Contents
1. 14 8122 211 Mini Installation Operation and Maintenance Manual Installation 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 impeller rotation page 19 Make the electrical connections General precautions Electrical Hazard e A certified electrician must supervise all electrical work Comply with all local codes and regulations e Before starting work on the unit make sure that the unit and the control panel are isolated from the power supply and cannot be energized This applies to the control circuit as well e Leakage into the electrical parts can cause damaged equipment or a blown fuse Keep the end of the motor cable above the liquid level e Make sure that all unused conductors are insulated e There is a risk of electrical shock or explosion if the electrical connections are not correctly carried out or if there is fault or damage on the product CAUTION If the pump is equipped with automatic level control and or internal contactor there is a risk of sudden restart Requirements These general requirements apply for electrical installation e The supply authority must be notified before installing the pump if it will be connected to the public mains When the pump is connected to the public power supply it may cause flickering of incandescent lamps when started2. For information Contact the local Grindex service shop There is a malfunction in Clean the level regulators the level sensing e Check the functioning of the level regulators equipment e Check the contactor and the control circuit e Replace all defective items The stop level is set too Raise the stop level low If the problem persists contact the local Grindex service shop Always state the product number and the serial number of your pump when you contact Grindex see Product Description page 10 The pump starts stops starts in rapid sequence 32 The pump starts due to Check that back flow which fills the e The distance between the start and stop levels is sump to the start level sufficient again e The non return valve s work s properly e The length of the discharge pipe between the pump and the first non return valve is sufficiently short 8122 211 Mini Installation Operation and Maintenance Manual Troubleshooting The self holding function Check of the contactor e The contactor connections malfunctions e The voltage in the control circuit in relation to the rated voltages on the coil e The functioning of the stop level regulator e Whether the voltage drop in the line at the starting surge causes the contactor s self holding malfunction If the problem persists contact the local Grindex service shop Always state the product number and the serial number of your pump when y
3. A ix RENE EXER ER EEMENKRREERYESERRNFETRRKRERRRERRRR AR RI MOMREK EYE IE 24 Replace the impellet s oc Etre ot eere m Tet dece 24 Remove the impeller cesses nnne nennen nnne nnns 24 Install the impellere et esha eae to xU er re nove er eo re Re RR ea 26 Replace the motor Cable cee ccecc cece ence e ence eee nennen nena seen nena ann 27 Remove the motor cable o YA EE ERR 27 Install the motot cable rire er E nian reni ERR EREpPE e EP ERR 29 Troubleshooting srira anri pran NEEN EAA EEA ATEAN EENE ERNAL NEEN KAFANE CREAR 31 Introductionis aane A EIE UU I A E Great 31 The pump does not state o e a a E aA AEA E ETEA VEETA nea suns ESSE SEES EES 31 The pump does not stop when a level sensor is used eese 32 The pump starts stops starts in rapid Sequence sssssrrrrsssrrrrrsssrrrrrresrrrrrre 32 The pump runs but the motor protection trips sess menn 33 The pump delivers too little or no water esssssessseeneen mmm 34 Technical Reference eese reed waR TNR EARLE AREA NERRER RARE RA run ene 35 Application limitsz ocv Tee ema a A A Pd V SU EL ELE 35 Motor data e ege eeeeox aee exer dated edu Este hac eur me e nue MINE hes dx CAMERE 35 Specific motor datari sre iaren esr Cercle lance ened cen dx Ree rcx tete cte kde in 35 Dimensions and WeiIGN S cccceee cece eee eee ene sense nene rennes 36 Performance curves o MARII VERBI 37 2 8122 211 Mini Installatio
4. locations that are classified as hazardous in the national electric code ANSI NFPA 70 2005 NOTICE e Never force piping to make a connection with a pump These requirements apply e Use the pump dimensional drawing in order to ensure proper installation e Provide a suitable barrier around the work area for example a guard rail e Check the explosion risk before you weld or use electric hand tools e Remove all debris from the inlet piping system before you install the pump e Always check the impeller rotation before lowering the pump into the pumped liquid Sedimentation prevention In order to avoid sedimentation when the pumped liquid contains solid particles the velocity of the liquid in the discharge line must exceed a certain value Choose applicable minimum velocity from the table and choose proper dimension of the discharge line accordingly Minimum velocity meter per second feet per second Water coarse gravel Water gravel Water sand particle size 0 6 mm 0 024 in Water sand particle size 0 1 mm 0 004 in For more permanent installations with a heavily contaminated pumped liquid a settling pump sump is recommended 8122 211 Mini Installation Operation and Maintenance Manual 13 Installation Discharge line requirements The discharge line can be run vertically or horizontally but must be without sharp bends Proper horizontal and vertical installation Improper
5. of the cable is damaged then replace the cable e The voltage drop in long cables must be taken into account The drive unit s rated voltage is the voltage measured at the cable connection point in the pump Earthing Grounding Electrical Hazard e You must earth ground all electrical equipment This applies to the pump equipment the driver and any monitoring equipment Test the earth ground lead to verify that it is connected correctly e If the motor cable is jerked loose by mistake the earth ground conductor should be the last conductor to come loose from its terminal Make sure that the earth ground conductor is longer than the phase conductors This applies to both ends of the motor cable e Risk of electrical shock or burn You must connect an additional earth ground fault protection device to the earthed grounded connectors if persons are likely to come into physical contact with the pump or pumped liquids Connect the motor cable to the pump CAUTION Leakage into the electrical parts can cause damaged equipment or a blown fuse Keep the end of the motor cable above the liquid level 1 Check the data plate to see which connections are required for the power supply 2 Connect the motor cable conductors including earth ground to the terminal or starter unit 3 Make sure that the pump is correctly connected to earth ground 4 Firmly tighten the cable entry into its bottom most position The s
6. question regarding the tightening torques please contact a sales representative Screws and nuts Table 1 Stainless steel A2 and A4 torque Nm ft lbs 22 8122 211 Mini Installation Operation and Maintenance Manual Maintenance M8 M10 M12 22 16 44 32 76 56 47 35 385 665 285 490 65 48 541 935 399 689 79 58 649 1120 480 825 Hexagon screws with countersunk heads For hexagon socket head screws with countersunk head maximum torque for all property classes must be 80 of the values for property class 8 8 above Service Regular service of the pump ensures more reliable operation Inspection The pump should be inspected at least twice a year more frequently under severe operating conditions Screw tightening During assembly or service of the pumps we recommend that the screws be tightened to approximately 6 8 Nm 4 5 6 ft lbs The tightening torque ensures that the parts are correctly fastened and that the pumps will operate as intended NOTICE Make sure that the oil plug and securing screws for strainer or pump housing are not tightened too hard To maintain screw tightness use some mineral oil on all non stainless steel screws When using stainless steel screws on stainless steel parts apply Aral Degol GS 460 or National Chemseal Thread Eze lubricant in order to prevent the screws from seizing Change the oil A paraffin oil wit
7. G grindex Revision 2 0 met grindex com Installation Operation and Maintenance Manual 8122 211 Mini Table of Contents Table of Contents Introduction and Safety ccc EEE nnn E EE Ea 3 Iie sgera t eiv o o RETI 3 Safety terminology and symbols sssesssesseeeee nemen nnne nennen 3 Product warrahty eenen ene eerie evt AE FAS ERES OM SY ae x fu ae Feo c P aVal Ka ai 4 Safety sive devia ea uox ee cv elena caved EY VAR QV TEE MASA ORE Te VATER bev Ye a 5 METSEI IIAERECIDINEELITBIITIUUT newt EE A annii 5 Hazardous liquids cave cece ied E cerned cones E p a a i a 6 Wash the skin and eye S sssssssrsssssssessesrorrorrnerrenranrannannnennennesnasnesnerrerrrerins 6 Environmental safety irienner d iava e eee e nennen EEE SEES SESS SEES rena sena nna nn nnn 6 Transportation and StoragGe cccce cece eee eee eae eee ee ena eta teeta 7 Inspect the delivery nero cea ce rene rr vous eR e ea AEREA a e YA sxeee VEN ae GR e RC es 7 Inspect the package e eec es cous man ey ec Re a kae eR YE EX e ORE REF Reg ra ers 7 Inspect the UN itch oie iei eneng e pap erre rp rp IY iE ERE CIE nackte TRO pA TY PRI RR PENA TERI DETERE 7 Transportation QuidelineS cccceeee aaua ene mmm semen mensem enne 7 Precautions orreina eta ese ah exar al Ra e Rl RE RR etna ERR ERR a Pale ER Fa a 7 Position and fastening icone eee trek eleva et ka e Er E ERE EET Taea AE ETAY Pa ua 7 Bis EE 7 Temperature r
8. Operation and Maintenance Manual 35 Technical Reference Voltage V Rated current A Starting current A 115 8 7 43 230 4 2 19 240 4 20 1 phase 60 Hz Motor type e 3 270 rpm e 820 W 1 1 hp 9 8 4 8 Dimensions and weights LTB i B Z A 438 mm 17 2 in B 0184 mm 7 2 in Weight without motor cable 14 5 kg 32 Ib 36 8122 211 Mini Installation Operation and Maintenance Manual Performance curves Test standard Pumps are tested in accordance with ISO 9906 HI level A 50 Hz P1 kW 1 2 n d I A 230 V 1 ph 0 0 1 0 2 0 3 0 4 0 5 0 6 0 Q V s 60 Hz P1 kW 1 2 1 0 0 8 0 6 0 4 0 2 0 0 H m 18 16 14 12 10 8 6 4 2 0 0 0 10 20 30 40 50 860 Q V s 8122 211 Mini Installation Operation and Maintenance Manual Technical Reference 37 A Grindex Ges llv gen 33 6 grindex 174 87 Sundbyberg Sweden db Tel 46 8 606 66 00 Fax 46 8 745 53 28 2011 Grindex The original instruction is in English All non English instructions are translations of the original instruction 898438 2 0 en US 2011 08 IOM 8122 211
9. anges for transportation handling and storage 8 Handling at freezing temperature ssssssssssessessse emm 8 Unit in as delivered condition cesses nnnm mne 8 Lifting the unit out of liquid iioii epar e em repart hh dnt ina 8 Storage guidellnes 2 sce oer ret ee a e EE E ie ER Eg Re ara ELE EET Ee YES 8 Storage location ee edere kt a ERR LR E RR ERE EROR TER RU ented ER e RR XI SA Vi e 8 Long term SlOlaQ Cries cries oneri ve Uae clever meet exe e RF e EE ER ERCRE ELE ODE E 8 Product Description core v ee Yer E Yn ERR ee ea IX HEAR NOTET 10 Products included nni re tuenda oer irent e oreet SI eo exacte Ve e ee x eee Ra 10 Pump designizs e ue err err ek rl eec rx EK e ELE RA X ut CP UU Re P Ue CERA E KS 10 Monitoring equiptmbentz ues oer ocv erre prv i PEATE phe e IENASI PORINA ATTEN ects 10 Level reg latotrs o exter p rere eene value pma eee eae RARE ENTE Ee YE 10 Mise wol E 11 Installations i200 T E 13 Install the pump ec yr erp XX ia cx ae y xrR ra awe lai rk A A 13 Sedimentation prevention esssessssssseeseeen eene nennen nnne nnn nnn 13 Discharge line requirements saririsa vari irea EEEa OAA mensem 14 jaime Em 14 Irure 14 Make the electrical connections eessessessseeene nnnm 15 General Precautions ccccccecccscccedeenceescecsceuecevenensenesedseeeesetaceese
10. different operating levels by adjusting the length of cable e A clamping bracket situated at the lifting handle holds the level regulator cable in place e If continuous pumping is required the level regulator can be placed in a special rubber bracket on the discharge connection to eliminate the level regulator function Illustration 1 On 2 Off Figure 1 The functionality of the level regulator The data plate Introduction The data plate is a metal label located on the main body of the pump The data plate lists key product specifications 8122 211 Mini Installation Operation and Maintenance Manual 11 Product Description The data plate 12 1 2 1G indes ov Coe CU 4 ear its DHONAARWN gt Pump model Serial number Phase type of current frequency Product weight Maximum capacity Maximum submergence Maximum head Degree of protection Read installation manual Thermal class International standard Rated shaft power Country of origin Rated current Rated voltage Hoax ae 10 9 7 8122 211 Mini Installation Operation and Maintenance Manual Installation Installation Install the pump WARNING e Before installing the pump check that the cable and cable entry have not been damaged during transportation e Make sure that the unit cannot roll or fall over and injure people or damage property e Do not install CSA approved products in
11. e The mains voltage and frequency must agree with the specifications on the data plate If the pump can be connected to different voltages then the connected voltage is specified by a yellow sticker close to the cable entry e The fuses and circuit breakers must have the proper rating and the pump overload protection motor protection breaker must be connected and set to the rated current according to the data plate and if applicable the cable chart The starting current in direct on line start can be up to six times higher than the rated current e The fuse rating and the cables must be in accordance with the local rules and regulations e If intermittent operation is prescribed then the pump must be provided with monitoring equipment supporting such operation e The thermal contacts thermistors must be in use 8122 211 Mini Installation Operation and Maintenance Manual 15 Installation Cables These are the requirements to follow when you install cables e The cables must be in good condition not have any sharp bends and not be pinched e The sheathing must not be damaged and must not have indentations or be embossed with markings etc at the cable entry e The minimum bending radius must not be below the accepted value e If using a cable which has been used before a short piece must be peeled off when refitting it so that the cable entry seal sleeve does not close around the cable at the same point again If the outer sheath
12. e clean and free from burrs 2 Check that the impeller screw is clean and easy to screw into the shaft end This is to prevent the shaft from rotating with the impeller screw 3 Fasten the impeller a Place the washer on the impeller screw b Mount the impeller Make sure that the impeller hub disk center is aligned with the slotted shaft end WS002034A c Tighten the impeller screw Tightening torque 9 3 Nm 6 9 ft lbs d Check that the impeller can rotate easily 4 Mount the diffuser unit 26 8122 211 Mini Installation Operation and Maintenance Manual 5 Mount the strainer and the screws Tightening torque 9 3 Nm 6 9 ft lbs Replace the motor cable Remove the motor cable 1 Loosen the cable entry 8122 211 Mini Installation Operation and Maintenance Manual WS002032A WS002031A Maintenance 27 Maintenance 28 9 WS003053A 2 Remove the pump top WS003054A 3 Disconnect the motor cable from the terminals a Disconnect the power lead s b Disconnect the earth ground lead s 4 Remove the motor cable 8122 211 Mini Installation Operation and Maintenance Manual Maintenance 9 WS003055A Install the motor cable 1 Pull the cable through the pump top D 9 SS S WS003057A 2 Connect the terminals See Make the electrical connections page 15 If the cable is damaged then cut off the damaged part and install new terminals a Connect the
13. eal sleeve and the washers must conform to the outside diameter of the cables WARNING Do not install the starter equipment in an explosive zone unless it is explosion proof rated 16 8122 211 Mini Installation Operation and Maintenance Manual Cable charts Color definition BI Bla Br Gr Ye Wh With level regulator Installation Blue Black Brown Green Yellow White WS002624B Figure 3 50 Hz 115 V 240 V and 60 Hz 115 V 230 V A mmo ou Motor cable Connector Capacitor Motor Motor protection Level regulator WS003139A Figure 4 50 Hz 230 V 8122 211 Mini Installation Operation and Maintenance Manual 17 Installation Without level regulator mmo ouw p G Motor cable Connector Capacitor Motor Motor protection Level regulator Relay WAIL WS002625B Figure 5 50 Hz 115 V 240 V and 60 Hz 115 V 230 V A moon wD Motor cable Connector Capacitor Motor Motor protection Figure 6 50 Hz 230 V A Om og ou Motor cable Connector Capacitor Motor Motor protection Relay Bla WS003140A 8122 211 Mini Installation Operation and Maintenance Manual Installation Check the impeller rotation WARNING The starting jerk can be powerful 1 Start the motor Stop the motor 3 Check that the impeller rotates in the correct direction The correct direction of impeller rotation is clockwise when you look at the pump from ab
14. earth ground lead s b Connect the power lead s 3 Install the pump top 8122 211 Mini Installation Operation and Maintenance Manual 29 Maintenance V9SOE00SM 4 Tighten the cable entry Make sure that it bottoms out VESOEOOSM 8122 211 Mini Installation Operation and Maintenance Manual 30 Troubleshooting Troubleshooting Introduction Follow these guidelines when troubleshooting the pump e Disconnect and lock out the power supply except when conducting checks that require voltage e Make sure that no one is near the pump when the power supply is reconnected e When troubleshooting electrical equipment use the following e Universal instrument multimeter e Test lamp continuity tester e Wiring diagram The pump does not start WARNING Always disconnect and lock out power before servicing to prevent unexpected startup Failure to do so could result in death or serious injury NOTICE Do NOT override the motor protection repeatedly if it has tripped Doing so may result in equipment damage An alarm signal has been Check that triggered on the control e The impeller rotates freely e The sensor indicators do not indicate an alarm e The overload protection is not tripped If the problem still persists Contact the local Grindex service shop panel The pump does not start Check that automatically but can be e The start level regulator is functioning Clean or started ma
15. eliable operation and long life However should the need arise for a warranty claim please contact your Grindex representative 4 8122 211 Mini Installation Operation and Maintenance Manual Introduction and Safety Spare parts Grindex guarantees that spare parts will be available for 10 years after the manufacture of this product has been discontinued Safety WARNING e The operator must be aware of safety precautions to prevent physical injury e Any pressure containing device can explode rupture or discharge its contents if it is over pressurized Take all necessary measures to avoid over pressurization e Operating installing or maintaining the unit in any way that is not covered in this manual could cause death serious personal injury or damage to the equipment This includes any modification to the equipment or use of parts not provided by Grindex If there is a question regarding the intended use of the equipment please contact an Grindex representative before proceeding e This manual clearly identifies accepted methods for 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 to aid in their removal CAUTION You must observe the instructions contained in this manual Failure to do so could result in physical injury damage or delays User safety General saf
16. etsnaesenesaeeurs 15 Requiterments ios scitese cnt pa vta tuv E Vr ee aa ELTE AR TRETEN E tere AE ARCET EANNA 15 plc 16 Earthing Grounding isse cierre rre mra Rb xt la E ee EX ENRET XE ERE ENE 16 Connect the motor cable to the pump sssssssseeeen nnnm nee nnns 16 CablechaitS ERE 17 Check the impeller rotation seeessssssssseeeenmn mmm menm menn nnn 19 Operation xv ck Rx ec e Seek w ee CARA Va ERR Y EUR eek oneal 20 Precautiors 22 ii ite si teer sme sare owe a eR go onan IE ESA dE PR ARV PI Sor TREE OXXE Le ERE CER 20 Distance to wet areds occi ey ec E xU cdots idea E VIVE UE TEES YR RT duane vedas 20 Mein 20 8122 211 Mini Installation Operation and Maintenance Manual 1 Table of Contents Start CHE pump det els ee ed ras eee esit ue hs 20 Clean the PUMP zuviel x cc et xo eai Rd ve e eve del sa av Re sex ea 21 Maintenance wives orem ek aon tete Ma V cae VLA LU UE NE 22 Pr cautionszs i eser ix a he dip Men delta renda kan re nex uere Ud rare ER E ET EM EY 22 Maintenance guidelines eerte t er xe ex e d RR Ge ANE ENEE 22 Torque vales 255 iere Bene salves head duleiea E ERR SR gb eee yeaa eave RAE KRA RP PAZ ERI EAR EE RARE 22 SerVICes i OR UR ERU ERI e ELAN ae Ete AE EROR ERR 23 Change tlie oll iier rh rer puc Ren ree rer ape ERI ED PAK saca en pre ta 23 Empty the sols orent tz coste eem aca ones orto ted de tuts eld e nd S P edat 23 EEO EEE
17. ety rules These safety rules apply e Always keep the work area clean e Pay attention to the risks presented by gas and vapors in the work area e Avoid all electrical dangers Pay attention to the risks of electric shock or arc flash hazards e Always bear in mind the risk of drowning electrical accidents and burn injuries Safety equipment Use safety equipment according to the company regulations Use this safety equipment within the work area e Helmet e Safety goggles preferably with side shields e Protective shoes e Protective gloves e Gas mask e Hearing protection e First aid kit e Safety devices NOTICE Never operate a unit unless safety devices are installed Also see specific information about safety devices in other chapters of this manual 8122 211 Mini Installation Operation and Maintenance Manual 5 Introduction and Safety Electrical connections Electrical connections must be made by certified electricians in compliance with all international national state and local regulations For more information about requirements see sections dealing specifically with electrical connections Hazardous liquids The product is designed for use in liquids that can be hazardous to your health Observe these rules when you work with the product e Make sure that all personnel who work with biologically hazardous liquids are vaccinated against diseases to which they may be exposed e Observe strict personal cleanliness Wa
18. fting and handling Use eyebolts or lifting lugs if available e Always lift the unit by its lifting handle Never lift the unit by the motor cable or by the hose e Do not attach sling ropes to shaft ends 8122 211 Mini Installation Operation and Maintenance Manual 7 Transportation and Storage Temperature ranges for transportation handling and storage Handling at freezing temperature At temperatures below freezing the product and all installation equipment including the lifting gear must be handled with extreme care Make sure that the product is warmed up to a temperature above the freezing point before starting up Avoid rotating the impeller propeller by hand at temperatures below the freezing point The recommended method to warm the unit up is to submerge it in the liquid which will be pumped or mixed NOTICE Never use a naked flame to thaw the unit Unit in as delivered condition If the pump or mixer is still in the condition in which it left the factory all packing materials are undisturbed then the acceptable temperature range during transportation handling and storage is 50 C to 60 C If the unit has been exposed to freezing temperatures then allow it to reach the ambient temperature of the sump before operating Lifting the unit out of liquid The unit is normally protected from freezing while operating or immersed in liquid but the impeller propeller and the shaft seal may freeze if the unit is l
19. h viscosity close to ISO VG32 is recommended The pump is delivered from the factory with this type of oil In applications where poisonous properties are of less concern a mineral oil with viscosity up to ISO VG32 can be used Empty the oil 1 Lay the pump on its side Lock the pump with supports to prevent it from rolling over 2 Remove the oil screw 8122 211 Mini Installation Operation and Maintenance Manual 23 Maintenance WARNING The oil housing may be pressurized Hold a rag over the oil plug to prevent oil from spraying out 3 Turn the pump so that the oil hole faces downwards and let the oil run out WS002100A Fill with oil 1 Replace the oil screw O ring 2 Turn the pump so that the oil hole faces upwards and fill with new oil Quantity 0 17 L 0 18 qt 3 Put the oil screw back and tighten it Replace the impeller Remove the impeller WARNING A worn impeller and or pump housing can have very sharp edges Wear protective gloves 1 Remove the strainer 24 8122 211 Mini Installation Operation and Maintenance Manual Maintenance WS002031A 2 Remove the diffuser WS002032A 3 Remove the impeller a Remove the impeller screw and washer b Pull off the impeller 8122 211 Mini Installation Operation and Maintenance Manual 25 Maintenance WS002033A Install the impeller 1 Prepare the shaft Polish off any flaws with a fine emery cloth The end of the shaft must b
20. ifted out of the liquid into a surrounding temperature below freezing Units equipped with an internal cooling system are filled with a mixture of water and 30 glycol This mixture remains a flowing liquid at temperatures down to 13 C 9 F Below 13 C 9 F the viscosity increases such that the glycol mixture will lose its flow properties However the glycol water mixture will not solidify completely and thus cannot harm the product Follow these guidelines to avoid freezing damage 1 Empty all pumped liquid 2 Check all liquids used for lubrication or cooling both oil and water glycol mixtures for the presence of water Change if needed Storage guidelines Storage location The product must be stored in a covered and dry location free from heat dirt and vibrations NOTICE e Protect the product against humidity heat sources and mechanical damage e Do not place heavy weights on the packed product Long term storage 8 8122 211 Mini Installation Operation and Maintenance Manual Transportation and Storage If the unit is stored more than 6 months the following apply e Before operating the unit after storage it must be inspected with special attention to the seals and the cable entry e The impeller propeller must be rotated every other month to prevent the seals from sticking together 8122 211 Mini Installation Operation and Maintenance Manual 9 Product Description Product Description Products
21. included Pump model Approvals Pump design The pump is submersible and driven by an electric motor Intended use The product is intended for moving waste water sludge raw and clean water Always follow the limits given in Application limits page 35 If there is a question regarding the intended use of the equipment please contact an Grindex representative before proceeding WARNING In explosive or flammable environments only use Ex or MSHA approved pumps For information about pH see Application limits page 35 Particle size The pump can handle liquid containing particles that correspond to the holes in the strainer Number of holes Be iR RS mm 045x027 Pressure class N Medium head Impeller type Wear resistant Monitoring equipment The following applies to the monitoring equipment of the pump e The stator incorporates thermal contacts connected in series that activate the alarm at overtemperature e The thermal contacts open at 135 C 275 F Level regulators About level regulators Starting and stopping the pump at different water levels can be manual or automatic If automatic start and stop is required a level regulator can be ordered as an option The option is only available for standard pumps Features Below are some of the features of the level regulators 10 8122 211 Mini Installation Operation and Maintenance Manual Product Description e The level regulator can be set at
22. installation with a sharp bend WS001346A WS001379A Fasteners WARNING e Only use fasteners of the proper size and material e Replace all corroded fasteners e Make sure that all fasteners are properly tightened and that there are no missing fasteners Install The pump is transportable and intended to operate either completely or partially submerged in the pumped liquid The pump is equipped with a connection for hose or pipe These requirements and instructions only apply when the installation is made according to the dimensional drawing 1 Run the cable so that it has no sharp bends is not pinched and cannot be sucked into the pump inlet 2 Connect the discharge line The discharge line can be run vertically or horizontally but must be without sharp bends 3 Lower the pump into the sump The cable must not be used for this purpose You should attach a rope or similar to the handle or the eyebolts for lowering and lifting the pump Heavier pumps must be lifted and lowered down by crane Suspend the pump by the lifting handle or the eyebolts with chains or wires 4 Place the pump on the base and make sure it cannot fall over or sink The base should consist of a plank a bed of coarse gravel or a cut down and perforated oil drum Alternatively the pump can be suspended with a lifting chain just above the sump bottom Make sure that the pump cannot rotate at startup or during operation
23. ion and Maintenance Manual Transportation and Storage Transportation and Storage Inspect the delivery Inspect the package 1 Inspect the package for damaged or missing items upon delivery 2 Note any damaged or missing items on the receipt and freight bill 3 File a claim with the shipping company if anything is out of order If the product has been picked up at a distributor make a claim directly to the distributor Inspect the unit 1 Remove packing materials from the product Dispose of all packing materials in accordance with local regulations 2 Inspect the product to determine if any parts have been damaged or are missing 3 If applicable unfasten the product by removing any screws bolts or straps For your personal safety be careful when you handle nails and straps 4 Contact your sales representative if anything is out of order Transportation guidelines Precautions WARNING e Stay clear of suspended loads e Observe accident prevention regulations in force Position and fastening The unit can be transported either horizontally or vertically Make sure that the unit is securely fastened during transportation and cannot roll or fall over Lifting WARNING e Crush hazard The unit and the components can be heavy Use proper lifting methods and wear steel toed shoes at all times e Lift and handle the product carefully using suitable lifting equipment e The product must be securely harnessed for li
24. is installed Failure to do so may result in hearing loss or violation of local laws Start the pump 20 WARNING e If you need to work on the pump make sure that it is isolated from the power supply and cannot be energized e Make sure that the unit cannot roll or fall over and injure people or damage property e In some installations the pump and the surrounding liquid may be hot Bear in mind the risk of burn injuries e Make sure nobody is close to the unit when it is started The unit will jerk in the opposite direction of the impeller rotation NOTICE Make sure that the rotation of the impeller is correct For more information see Check the impeller rotation 1 Check the oil level in the oil housing 2 Remove the fuses or open the circuit breaker and check that the impeller can be rotated freely 8122 211 Mini Installation Operation and Maintenance Manual Operation 3 Check that the monitoring equipment if any works 4 Check that the impeller rotation is correct 5 Start the pump Clean the pump The pump must be cleaned if it has been running in very dirty water If clay cement or other similar dirt is left in the pump it may clog the impeller and seal preventing the pump from working Let the pump run for a while in clean water or flush it through the discharge connection 8122 211 Mini Installation Operation and Maintenance Manual 21 Maintenance Maintenance Precautions WARNING e Al
25. n Operation and Maintenance Manual Introduction and Safety Introduction and Safety Introduction Purpose of this manual The purpose of this manual is to provide necessary information for e Installation e Operation e Maintenance CAUTION Read this manual carefully before installing and using the product Improper use of the product can cause personal injury and damage to property and may void the warranty NOTICE Save this manual for future reference and keep it readily available at the location of the unit Safety terminology and symbols About safety messages It is extremely important that you read understand and follow the safety messages and regulations carefully before handling the product They are published to help prevent these hazards e Personal accidents and health problems e Damage to the product e Product malfunction Hazard levels Hazard level A hazardous situation which if not DANGER avoided will result in death or serious injury A hazardous situation which if not WARNING avoided could result in death or serious injury A hazardous situation which if not CAUTION avoided could result in minor or moderate injury 8122 211 Mini Installation Operation and Maintenance Manual 3 Introduction and Safety Hazard level Indication e A potential situation which if not avoided could result in undesirable conditions e A practice not related to
26. nually replace if necessary e All connections are intact e The relay and contactor coils are intact e The control switch Man Auto makes contact in both positions Check the control circuit and functions The installation is not Check that receiving voltage e The main power switch is on e There is control voltage to the start equipment e The fuses are intact e There is voltage in all phases of the supply line e All fuses have power and that they are securely fastened to the fuse holders 8122 211 Mini Installation Operation and Maintenance Manual 31 Troubleshooting Emse Remedy e The overload protection is not tripped e The motor cable is not damaged The impeller is stuck Clean e The impeller e The sump in order to prevent the impeller from clogging again If the problem persists contact the local Grindex service shop Always state the product number and the serial number of your pump when you contact Grindex see Product Description page 10 The pump does not stop when a level sensor is used WARNING Always disconnect and lock out power before servicing to prevent unexpected startup Failure to do so could result in death or serious injury The pump is unable to Check that empty the sump to the e There are no leaks from the piping and or stop level discharge connection e The impeller is not clogged e The non return valve s are functioning properly e The pump has adequate capacity
27. ou contact Grindex see Product Description page 10 The pump runs but the motor protection trips WARNING Always disconnect and lock out power before servicing to prevent unexpected startup Failure to do so could result in death or serious injury NOTICE Do NOT override the motor protection repeatedly if it has tripped Doing so may result in equipment damage Case Rmey SSS The motor protection is Set the motor protection according to the data plate set too low and if applicable the cable chart The impeller is difficult to e Clean the impeller rotate by hand e Clean out the sump e Check that the impeller is properly trimmed The drive unit is not e Check the fuses Replace fuses that have tripped receiving full voltage on e If the fuses are intact notify a certified electrician all three phases The phase currents vary Contact the local Grindex service shop or they are too high The insulation between 1 Use an insulation tester With a 1000 V DC the phases and ground in megger check that the insulation between the the stator is defective phases and between any phase and ground is gt 5 megohms If the insulation is less Contact the local Grindex service shop The density of the Make sure that the maximum density is 1100 kg m pumped fluid is too high 9 2 Ib US gal e Change to a more suitable pump e Contact the local Grindex service shop 8122 211 Mini Installation Operation and Main
28. ove When started the pump will react in the opposite direction to the impeller rotation 9 WS001398B Figure 7 Start reaction 4 Ifthe impeller rotates in the wrong direction then do the following e Ifthe motor has a 1 phase connection then contact the local Grindex shop 8122 211 Mini Installation Operation and Maintenance Manual 19 Operation Operation Precautions e Never operate the pump without safety devices installed e Never operate the pump with the discharge valve closed e Make sure that all safety guards are in place and secure e Make sure you have a clear path of retreat e Never work alone e Beware of the risk of a sudden start if the product is used with an automatic level control and or internal contactor Distance to wet areas Noise level Electrical Hazard Risk of electrical shock Make sure no one gets closer than 20 m 65 ft to the unit when being in contact with the pumped or mixed liquid Electrical Hazard Risk of electrical shock This unit has not been investigated for use in swimming pools If used in connection with swimming pools special safety regulations apply NOTICE The noise level of the product is lower than 70 dB However the noise level of 70 dB may be exceeded in some installations and at certain operating points on the performance curve Make sure that you understand the noise level requirements in the environment where the pump
29. personal injury Hazard categories Hazard categories can either fall under hazard levels or let specific symbols replace the ordinary hazard level symbols Electrical hazards are indicated by the following specific symbol Electrical Hazard These are examples of other categories that can occur They fall under the ordinary hazard levels and may use complementing symbols e Crush hazard e Cutting hazard e Arc flash hazard Product warranty Coverage Grindex undertakes to remedy the following faults in products sold by Grindex under the following conditions e The faults are due to defects in design materials or workmanship e The faults are reported to an Grindex representative within the warranty period e The product is used only under the conditions described in this manual e The monitoring equipment incorporated in the product is correctly connected and in use e All service and repair work is done by personnel authorized by Grindex e Genuine Grindex parts are used Limitations The warranty does not cover faults caused by the following e Deficient maintenance e Improper installation e Modifications or changes to the product and installation carried out without consulting Grindex e Incorrectly executed repair work e Normal wear and tear Grindex assumes no liability for the following e Bodily injuries e Material damages e Economic losses Warranty claim Grindex products are high quality products with expected r
30. sh the skin and eyes Follow these procedures for chemicals or hazardous fluids that have come into contact with your eyes or your skin Condition Action Chemicals or 1 Hold your eyelids apart forcibly with your fingers eee fluids in Rinse the eyes with eyewash or running water for at least 15 minutes Seek medical attention RE a id 1 Remove contaminated clothing San ous Mulds ON 5 Wash the skin with soap and water for at least 1 minute Seek medical attention if necessary Environmental safety The work area Always keep the station clean to avoid and or discover emissions Waste and emissions regulations Observe these safety regulations regarding waste and emissions e Dispose appropriately of all waste e Handle and dispose of the processed liquid in compliance with applicable environmental regulations e Clean up all spills in accordance with safety and environmental procedures e Report all environmental emissions to the appropriate authorities Electrical installation For electrical installation recycling requirements consult your local electric utility Recycling guidelines Always recycle according to the guidelines listed below 1 Follow local laws and regulations regarding recycling if the unit or parts are accepted by an authorized recycling company 2 If the first guideline is not applicable then return the unit or parts to the nearest Grindex representative 6 8122 211 Mini Installation Operat
31. tenance Manual 33 Troubleshooting The ambient temperature The pump must not be used for such an application exceeds the maximum ambient temperature There is a malfunction in Replace the overload protection the overload protection If the problem persists contact the local Grindex service shop Always state the product number and the serial number of your pump when you contact Grindex see Product Description page 10 The pump delivers too little or no water 34 WARNING Always disconnect and lock out power before servicing to prevent unexpected startup Failure to do so could result in death or serious injury NOTICE Do NOT override the motor protection repeatedly if it has tripped Doing so may result in equipment damage Emse Remedy SSS The impeller rotates in e If it is a 1 phase pump the wrong direction Contact the local Grindex service shop One or more of the e Reset the valves that are set in the wrong position valves are set in the e Replace the valves if necessary wrong positions e Check that all valves are correctly installed according to media flow e Check that all valves open correctly The impeller is difficult to e Clean the impeller rotate by hand e Clean out the sump e 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 Replace the
32. ways follow safety guidelines when working on the pump See Introduction and Safety page 3 e Disconnect and lock out electrical power before installing or servicing the pump e Make sure that the unit cannot roll or fall over and injure people or damage property e Rinse the unit thoroughly with clean water before working on the unit e Rinse the components in water after dismantling Make sure that you follow these requirements e Check the explosion risk before you weld or use electrical hand tools e Allow all system and pump components to cool before you handle them e Make sure that the product and its components have been thoroughly cleaned e Do not open any vent or drain valves or remove any plugs while the system is pressurized Make sure that the pump is isolated from the system and that pressure is relieved before you disassemble the pump remove plugs or disconnect piping Maintenance guidelines During maintenance and before reassembly always remember to perform these tasks e Clean all parts thoroughly particularly O ring grooves e Change all O rings gaskets and seal washers e Lubricate all springs and O rings with grease During reassembly always make sure that existing index markings are in line Torque values Lubricate all screws and nuts to reach correct tightening torque Screws that are screwed into stainless steel must have the threads coated with suitable lubricants to prevent seizing If there is a
33. worn parts on the impeller pump and casing The liquid level is too low e Check that the level sensor is set correctly e Depending on the installation type add a means for priming the pump such as a foot valve If the problem persists contact the local Grindex service shop Always state the product number and the serial number of your pump when you contact Grindex see Product Description page 10 8122 211 Mini Installation Operation and Maintenance Manual Technical Reference Technical Reference Application limits Media liquid 5 35 C 41 95 F temperature pH of the pumped 5 8 media liquid Media liquid Maximum density 1100 kg m 9 2 Ib per US gal density Depth of 5 m 16 5 ft immersion Other For specific weight current voltage power rating and speed of the pump see the data plate on the pump For starting current see Motor data page 35 For other applications contact the nearest Grindex representative for information Motor data Feature Deseos OOOO Maximum starts 15 evenly spaced starts per hour per hour Code compliance IEC 60034 1 Rated output 10 variation Voltage variation 10 provided that it does not run continuously at full load without overheating Voltage imbalance 2 tolerance Stator insulation F 155 C 310 F class Specific motor data i phase 50 Hz Motor type e 2 770 rpm e 750 W 1 0 hp 8122 211 Mini Installation
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