Wilo HC 20.1 E3 Series Installation And Operating Instructions Manual
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Summary of Contents for Wilo HC 20.1 E3 Series
- Page 1 Pioneering for You Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID en Installation and operating instructions · 6073324 • Ed.02/2019-01...
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Page 3: Table Of Contents
Before switching on...................................... 28 Switching on and off ...................................... 29 During operation ...................................... 29 8 Shut-down/dismantling................................. 30 Personnel qualifications.................................... 30 Operator responsibilities.................................... 30 Shut-down........................................ 30 Removal.......................................... 31 Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 4 12.2 Water-glycol mixture ..................................... 44 12.3 Protective clothing ...................................... 44 12.4 Information on the collection of used electrical and electronic products.................... 44 13 Appendix.................................... 44 13.1 Tightening torques ...................................... 45 13.2 Operation with frequency converter................................ 45 13.3 Ex rating ........................................... 46 WILO SE 2019-01...
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Page 5: General Information
These safety instructions are shown differ- ently: ƒ Safety instructions relating to personal injury start with a signal word, are preceded by a corresponding symbol and are shaded in grey. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 6 These instructions use the following symbols: Danger of electric voltage Danger of bacterial infection Danger of explosion Danger – explosive atmosphere General warning symbols Warning of cutting injuries Warning of hot surfaces Warning of high pressure Warning of suspended loads WILO SE 2019-01...
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Page 7: Personnel Qualifications
The following monitoring devices must be provided on-site: Circuit breaker The size and switching characteristics of the circuit breakers must conform to the rated current of the connected product. Observe local regulations. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 8: Use In Fluids Hazardous To Health
Work area of the device is not a recreational area. No persons are allowed in the work area during operation. ƒ The operator must immediately report any faults or irregularities to their line man- ager. ƒ If safety-endangering defects occur, the operator must immediately deactivate the device: WILO SE 2019-01... -
Page 9: Maintenance Tasks
Equip hazardous components inside the system with an on-site guard. ƒ Identify and cordon off the work area. ƒ To ensure safe working practice, define the responsibilities of the employees. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 10: Application/Use
Handle Motor Connection cable Pressure port Hydraulics housing Bearing housing Fig. 1: Overview 4.1.1 Hydraulics Centrifugal hydraulics with different impeller shapes, horizontal flange connection on the pressure side, inspection cover as well as casing and impeller wear rings. WILO SE 2019-01... - Page 11 The sealing chamber between the mechanical seals is filled with medical white oil. The leakage chamber is empty. 4.1.5 Material The following materials are used in the standard version: Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
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Page 12: Monitoring Devices
The “non-immersed operation” operating mode describes the possibility of the motor emerging during the drainage pumping sequence. This allows a further lowering of the water level as far as the upper edge of the hydraulics. Observe the following points dur- ing non-immersed operation: WILO SE 2019-01... -
Page 13: Operation With Frequency Converter
Max. delivery head Min. delivery head Speed Max. fluid temperature Protection class Rated current Starting current Rated current at service factor Power consumption Rated power Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 14: Type Key
ƒ W = abbreviation for week ƒ ww = calendar week Type key Example: Wilo-EMU FA 10.82E + HC 20.1-4/22KEx-E3 Wilo-Rexa SUPRA-V10-736A + HC 20.1-4/22KEx-E3 Wilo-Rexa SOLID-Q10-345A + HC 20.1-4/22KEx-E3 Hydraulics type key “EMU FA” Sewage pump x10 = nominal diameter of pressure connection... -
Page 15: Scope Of Delivery
Use only 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 Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 16: Storage
ƒ Seal the suction and pressure connection tightly. ƒ Protect power supply cables against kinking and damage. ƒ Protect the pump from direct sunlight and heat. Extreme heat can cause damage to the impellers and the coating! WILO SE 2019-01... -
Page 17: Installation And Electrical Connection
Use only 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 Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 18 Sharp edges can form on the impeller and suction port. There is danger of limbs be- ing severed! Protective gloves must be worn to protect from cuts. ‡ Pump is not connected to the mains! ‡ Protective equipment has been put on! WILO SE 2019-01...
- Page 19 10.Clean the motor cover and renew the O-ring. 11.Place the motor cover on the motor housing and re-tighten the interior hexagonal head screws. Max. tightening torque: see appendix! Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
- Page 20 On the pressure side, the on-site pipe system is con- nected to the suspension unit and on the suction side to the pump. The connected pipe system must be self-supporting. The suspension unit must not support the pipe sys- tem! WILO SE 2019-01...
- Page 21 If operated for longer periods of time, fix the pump firmly to the floor. This prevents vibration and ensures quiet and low- wearing running. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
- Page 22 The pump is not self-priming, in other words, the fluid must flow in either automati- cally or with supply pressure. The minimum level in the collecting space must be at the same height as the upper edge of the hydraulics housing! ƒ Max. ambient temperature: 40 °C (104 °F) WILO SE 2019-01...
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Page 23: Electrical Connection
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 applicable regulations. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 24 Measure the resistor of the temperature sensors with an ohmmeter. The following ature sensor measured values must be complied with: ƒ PTC sensor (PTC thermistor): Measured value depends on the number of sensors in- stalled. A PTC sensor has a cold resistance range of 20 to 100 ohms. WILO SE 2019-01...
- Page 25 Overview of possible monitoring devices: HC 20.1 HC 20.1 ...-E3 Internal monitoring devices • • Terminal room/motor compartment • • Motor winding Motor bearings − − Sealing chamber Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
- Page 26 Deactivation of the pump is always recommended! Note the additional information in the chapter on potentially explosive areas found in the appendix! 6.5.5 Motor protection adjustment Motor protection must be set depending on the selected activation type. WILO SE 2019-01...
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Page 27: Commissioning
ƒ Swap two phases for motors with direct starting. ƒ Swap the connections of two windings (e.g. U1/V1 and U2/V2) for star-delta activa- tion motors. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 28: Operation In An Explosive Atmosphere
The hydraulics housing must be filled completely with the fluid and there must be no air cushions in the hydraulics. NOTICE! Provide suitable venting devices if there is a risk of air cushions being formed in the system! WILO SE 2019-01... -
Page 29: Switching On And Off
Strictly adhere to the responsibilities of the personnel specified by the operator. All personnel are responsible for ensuring that the responsibilities of the personnel and the regulations are observed! Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 30: Shut-Down/Dismantling
For an extended period of decommissioning, carry out a 5-minute function test at regular intervals (monthly to quarterly). CAUTION! A function test may only be car- ried out under the applicable operating conditions. A dry run is not permitted! Non-compliance can result in irreparable damage! WILO SE 2019-01... -
Page 31: Removal
TION! Never pull on the power supply cable! This damages the power supply cable! 3. Loosen the pressure pipe from the pressure port. 4. Attach the lifting equipment to the attachment point. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 32 4. To clean the impeller and the pump interior, guide the water jet inside via the pres- sure port. 5. Flush all dirt residue onto the floor of the channel. 6. Allow the pump to dry out. WILO SE 2019-01...
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Page 33: Maintenance And Repair
35:65. Concentrate Fragol Zitrec FC Pekasol L Propylene glycol Currently used Alternative Alternative Status Technical data Propane-1,2-diol Basic Colourless Yellowish Colourless Colour Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 34: Maintenance Intervals
Draining the leakage chamber ƒ Coolant change ƒ Sealing chamber oil change NOTICE! If a sealing chamber control is installed, the oil is changed according to the indicator! 15000 operating hours or after 10 years at the latest ƒ General overhaul WILO SE 2019-01... -
Page 35: Maintenance Measures
Contact customer service if housing parts have worn out! 9.5.4 Function test of the monitoring The mixer must be cooled down to ambient temperature to test resistances! device Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 36 • Unscrew the screw plugs slowly, but never unscrew them completely. As soon as the pressure escapes (audible whistling or hissing of air), stop turning the screw plug any further! • When the pressure has completely dissipated, fully unscrew the screw plugs. • Wear closed safety goggles. WILO SE 2019-01...
- Page 37 16.Clean the motor cover and renew the O-ring. 17.Place the motor cover on the motor housing and re-tighten the interior hexagonal head screws. Max. tightening torque: see appendix! Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
- Page 38 During the general overhaul, the motor bearings, shaft sealings, O-rings and power supply cables are checked for wear and damage. Damaged components are replaced with original parts. This will ensure correct operation. The general overhaul is performed by the manufacturer or an authorised service centre. WILO SE 2019-01...
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Page 39: Repairs
If yes, notify customer service! The dismant- ling of the impeller must be carried out by customer service or an authorized special- ist workshop. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 40 6. Loosen the screws from the laminated cores and remove the individual laminated cores. Fig. 13: SOLID G: Readjusting the gap 7. Slowly re-tighten the three hexagon nuts crosswise until the suction port is in contact with the impeller. CAUTION! Only tighten the hexagon nuts by hand! If WILO SE 2019-01...
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Page 41: Faults, Causes And Remedies
If persons must enter the working area of the pump, the pump must be decommissioned and secured against being switched on again without authorisation. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... - Page 42 ⇒ Check the inlet and remove clogging. 3. Hydraulics jammed. ⇒ Clean the hydraulics. 4. Pipe system on the pressure side or pressure hose clogged. ⇒ Remove clogging and replace the damaged components if necessary. 5. Intermittent operation. ⇒ Check the switching system. WILO SE 2019-01...
- Page 43 ⇒ Inform customer service; send the pump back to the factory for overhauling. 8. Pump is installed under tension. ⇒ Check installation, install rubber compensators if necessary. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
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Page 44: Spare Parts
Only hand over these products at designated, certified collecting points. ƒ Observe the locally applicable regulations! Please consult your local municipality, the nearest waste disposal site, or the dealer who sold the product to you for information on proper disposal. Further recycling informa- tion at www.wilo‑recycling.com. WILO SE 2019-01... -
Page 45: Appendix
Keeping within the limit values stated in IEC 60034‑25 for overvoltages and rise speed. Output filters may need to be installed. ƒ Vary the pulse frequency of the frequency converter. Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID... -
Page 46: Ex Rating
The pumps are suitable for operation in potentially explosive atmospheres: ƒ Protection class: Explosionproof ƒ Category: Class I, Division 1 Notice: If the cabling is carried out according to Division 1, installation in Class I, Di- vision 2 is also permitted. WILO SE 2019-01... - Page 47 The threshold is 30 kOhm. ƒ The connection must be made using an intrinsically safe circuit! ƒ 13.3.4.6 Frequency converter operation Type of converter: Pulse-width modulation Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
- Page 48 Only use screw plugs as stipulated by the manufacturer, that at least correspond to a strength class of 600 N/mm² (38.85 long tons-force/inch²). 13.3.6.1 Repair of housing coating The paint layer can become electrostatically charged in case of thicker coats.DANGER! Risk of explosion! In explosive atmospheres, a discharge can cause an explosion! WILO SE 2019-01...
- Page 49 13.3.6.2 Changing the mechanical seal Changing the seal on the fluid and motor side is strictly prohibited! 13.3.6.3 Replacing the connection cable Changing the connection cable is strictly prohibited! Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID...
- Page 51 WILO Pompa Sistemleri Jakarta Timur, 13950 Sistemas Hidraulicos Lda. San. ve Tic. A.S¸ T +62 21 7247676 4475-330 Maia 34956 İstanbul citrawilo@cbn.net.id T +351 22 2080350 T +90 216 2509400 bombas@wilo.pt wilo@wilo.com.tr Further subsidiaries, representation and sales offices on www.wilo.com Oktober 2018...
- Page 52 WILO SE Nortkirchenstr. 100 44263 Dortmund Germany T +49 (0)231 4102-0 T +49 (0)231 4102-7363 wilo@wilo.com Pioneering for You www.wilo.com...
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