Wilo Rexa UNI, Installation And Operating Instructions Manual

Page 1: ...Pioneering for You Wilo Rexa UNI 6082109 Ed 03 2019 02 en Installation and operating instructions ...

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Page 3: ... fluid 8 2 11 Operator responsibilities 8 3 Application use 8 3 1 Intended use 8 3 2 Improper use 8 4 Product description 9 4 1 Design 9 4 2 Monitoring devices 10 4 3 Operating modes 10 4 4 Operation with frequency converter 10 4 5 Operation in an explosive atmosphere 10 4 6 Technical data 10 4 7 Type key 10 4 8 Scope of delivery 11 4 9 Accessories 11 5 Transportation and storage 11 5 1 Delivery 1...

Page 4: ...ications 20 8 2 Operator responsibilities 20 8 3 Shut down 20 8 4 Removal 21 9 Maintenance and repair 22 9 1 Personnel qualifications 22 9 2 Operator responsibilities 23 9 3 Operating fluid 23 9 4 Maintenance intervals 23 9 5 Maintenance measures 23 10 Faults causes and remedies 25 11 Spare parts 27 12 Disposal 27 12 1 Oils and lubricants 27 12 2 Protective clothing 27 12 3 Information on the coll...

Page 5: ...y ma terial damage or financial losses This exclusion ensues as soon as one of the following applies ƒ Inadequate configuration due to inadequate or incorrect in structions by the operator or the client ƒ Non compliance with installation and operating instructions ƒ Improper use ƒ Incorrect storage or transport ƒ Incorrect installation or dismantling ƒ Insufficient maintenance ƒ Unauthorised repai...

Page 6: ...nical engin eering Definition of qualified electrician A qualified electrician is a person with appropriate technical edu cation knowledge and experience who can identify and prevent electrical hazards 2 3 Electrical work ƒ Electrical work must be carried out by a qualified electrician ƒ Before commencing work disconnect the product from the mains and safeguard it from being switched on again ƒ Ob...

Page 7: ...dismantling ƒ Wear the following protective equipment Safety shoes Safety gloves for protection against cuts Safety helmet when using lifting equipment ƒ Locally applicable laws and regulations for work safety and ac cident prevention must be complied with ƒ Disconnect the device from the mains and secure it against be ing switched on again without authorisation ƒ All rotating parts must be at a s...

Page 8: ...and disposed off according to the local guidelines 2 11 Operator responsibilities ƒ Installation and operating instructions must be in a language which the personnel can understand ƒ Make sure that the personnel is relevantly trained for the spe cified work ƒ Provide the necessary protective equipment and make sure that the personnel wears it ƒ Safety and information signs mounted on the device mu...

Page 9: ... connection The factory setting of the connec tion is DN 65 To use the pump with a DN 50 connec tion press the nuts in the flange inwards onto the small hole circle The flange can be reset to DN 65 at any time 4 1 2 Motor The drive versions used are single phase current and three phase current surface cooled motors The motor is cooled by the fluid around it The waste heat is transferred directly t...

Page 10: ... cycle in a combination of periods of operation and standstill Specified value e g S3 25 relates to the operating time The switching cycle has a duration of 10 min If two values e g S3 25 120 s are specified the first value relates to the operating time The second value specifies the max period of the switching cycle 4 4 Operation with frequency converter Operation on the frequency converter is no...

Page 11: ...be notified to the transport company or the manufacturer immediately on the day of receipt of shipment Subsequently notified defects can no longer be asserted 5 2 Transport WARNING Standing under suspended loads Never allow anyone to stand under suspended loads Danger of serious injuries caused by falling parts Loads may not be carried over work places where people are present WARNING Head and foo...

Page 12: ...lowing must be observed for storage ƒ Place the pump upright vertical on a firm bearing surface and secure it against slipping and falling over ƒ The max storage temperature is 15 C to 60 C 5 F to 140 F at a max relative humidity of 90 non condensing Frost proof storage at a temperature of 5 C to 25 C 41 F to 77 F with relative humidity of 40 to 50 is recommen ded ƒ Do not store the pump in rooms ...

Page 13: ...ly properly functioning lifting equipment to lift and lower the pump Ensure that the pump does not become jammed during lifting and lowering Do not exceed the maximum bearing capacity of the lifting equipment Check that lifting equipment is function ing properly before use NOTICE Emerging of the motor during operation If the motor emerges during operation observe the instructions for non immersed ...

Page 14: ...0 6 4 3 Maintenance tasks After a storage period of more than 6 months check the oil in the sealing chamber prior to installation 1 Fig 5 Check the oil 1 Screw plug sealing chamber Pump is not installed Pump is not connected to the mains Protective equipment has been put on 1 Place the pump horizontally on a firm surface The screw plug points upwards WARNING Risk of hands being crushed Ensure that...

Page 15: ...ng equipment CAUTION Damage to the pump due to incorrect installa tion Observe the following points during the installation of the pump Observe the max permissible tightening torque 15 Nm 11 ft lb V05 or 25 Nm 18 ft lb V06 Do not insert an additional gasket between the flange and the accessories A gasket is mounted on the pump flange Only use accessories with a flange shape in ac cordance with EN ...

Page 16: ... hose coupling 4 Pressure hose 5 Attachment point 6 Lifting equipment CAUTION Damage to the pump due to incorrect install ation Observe the following points during the installation of the pump Observe the max permissible tightening torque 15 Nm 11 ft lb V05 or 25 Nm 18 ft lb V06 Do not insert an additional gasket between the flange and the accessories A gasket is mounted on the pump flange Only us...

Page 17: ... ƒ Earth the device properly in accordance with applicable local regulations 6 5 1 Fuse on mains side Circuit breaker The size and switching characteristics of the circuit breakers must conform to the rated current of the connected product Observe local regulations Motor protection switch Make provision for an on site motor protection switch for devices without a plug The minimum requirement is a ...

Page 18: ...ected 6 5 5 1 Monitoring of motor winding Single phase current motor Thermal motor monitoring is self switching for single phase cur rent motors The monitoring function is always active and does not need to be connected separately Three phase current motor with bimetallic strip Bimetallic strips are directly connected to the switchgear or via an evaluation relay Connection values max 250 V AC 2 5 ...

Page 19: ...ontrol Float switches can move freely Switching level tested pump on pump off minimum water level Additional dry running protection installed ƒ Test operating conditions Min max temperature of the fluid tested Max immersion depth tested Operating mode defined depending on the minimum water level Maximum switching frequency adhered to ƒ Check installation location operating space Pipe system on the...

Page 20: ...ice dry running protection Switching points ƒ Quiet low vibration running ƒ All gate valves open 8 Shut down dismantling 8 1 Personnel qualifications ƒ Operation control Operating personnel must be instructed in the functioning of the complete system ƒ Electrical work A qualified electrician must carry out the elec trical work ƒ Installation dismantling The technician must be trained in the use of...

Page 21: ...rom the mains 2 Attach the lifting equipment to the attachment point CAUTION Never pull on the power supply cable This damages the power supply cable 3 Slowly raise the pump and lift above the guide pipes from the operating space CAUTION The power supply cable can be damaged while lifting Hold the power supply cable slightly taut when lifting 4 Clean the pump thoroughly see point Cleaning and dis ...

Page 22: ...d to extremities be ing cut off Wear safety gloves to protect against cuts 5 Check correct position of O ring on the baseplate 6 Lubricate the O ring with O ring grease and set the baseplate on the hydraulic part 7 Turn baseplate anticlockwise to the left The baseplate is fixed in place with the bayonet coupling 8 Screw in the safety screw of the baseplate Max tight ening torque 1 5 Nm 1 1 ft lb H...

Page 23: ...vals for normal conditions 5 years or 1500 operating hours ƒ Visual inspection of the power supply cable ƒ Visual inspection of accessories ƒ Visual inspection of the housing for wear ƒ Function test of monitoring devices ƒ Oil change 10 years or 5000 operating hours ƒ General overhaul 9 4 2 Maintenance intervals for use in sewage lifting units When the pump is used in sewage lifting units inside ...

Page 24: ... 9 5 5 Function test of the monitoring device To test resistances the pump must be cooled down to the ambi ent temperature 9 5 5 1 Test the resistor of the temperature sensor Measure the resistor of the temperature sensors with an ohm meter The bimetallic strips must have a measured value of 0 Ohm passage 9 5 6 Oil change in sealing chamber WARNING Operating fluid under high pressure A pressure of...

Page 25: ...e minimum re quirement observe the specifications of the work regulations The operator must make sure that the personnel have received and read the work regulations DANGER Risk of death due to electrocution Improper conduct when carrying out electrical work can lead to death due to electric shock Electrical work must be carried out by a qualified electrician in accordance with the locally applicab...

Page 26: ... on the pressure side closed Open all gate valves completely 3 Hydraulics jammed Clean the hydraulics 4 Incorrect direction of rotation Have the connection corrected by a qualified elec trician 5 Air cushion in the pipe system Vent the pipe system If air cushions occur frequently Locate and prevent the air intake if required install ventilation systems at specified locations 6 Pump pumping against...

Page 27: ... must be collected in suitable tanks and disposed of in accordance with the locally applicable guidelines Wipe up drips immediately 12 2 Protective clothing Used protective clothing must be disposed off in accordance with the locally applicable guidelines 12 3 Information on the collection of used electrical and electronic products Proper disposal and appropriate recycling of this product prevents...

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