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Summary of Contents for Wilo WEV
- Page 1 Pioneering for You Wilo-WEV Installation and operating instructions · 4260383 • Ed.01/2025-06...
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Page 11: Table Of Contents
10 Spare parts ................ 23 11 Disposal.................. 23 11.1 Oils and lubricants .............. 23 11.2 Protective clothing ............. 23 11.3 Information on the collection of used electrical and elec- tronic products.............. 24 12 Appendix................... 24 12.1 Captions ................ 24 Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 12: General
Offenders will be held liable for payment of damages. All rights reserved. Wilo shall reserve the right to change the listed data without notice and shall not be liable Subject to change for technical inaccuracies and/or omissions. -
Page 13: Personnel Qualifications
Ensure that the lifting gear is securely attached. • Ensure that the hoisting gear is stable. • Ensure a second person is present to coordinate the procedure if required (e.g. if the op- erator’s field of vision is blocked). Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 14: Installing/Dismantling
Claims cannot be asserted if the notification of defects takes place at a later date. Transport WARNING Risk of injury due to improper transport. • Only use suitable hoisting and lifting equipment. • Only allow transport work to be carried out by qualified personnel. Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 15: Storage
• One swing check valve (Item 8) for each pump on the discharge side • Kit (Fig. 2) with pressure sensor (Item 12), pressure gauge (Item 11) and stop valve (Item 19) on the discharge side Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 16: Mode Of Operation
Type key Example: WEV2.0-2-405-PN10-T/EC-2D Wilo Expansion HELIX FIRST vertical pump Pressure-maintaining system 2 pumps Volume flow Q in m³/h Number of impellers PN 10 Max. pressure (bar) Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 17: Technical Data
Use flexible connection pipes to avoid transmission of structure-borne noise and to en- sure stress-free connection of the pipes. Hydraulic connection CAUTION Property damage due to improper installation! • Observe the requirements laid out by the water supply company. • Observe locally applicable standards. Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... - Page 18 The pressure-maintaining system is prepared at the factory in such a way that the con- nection is on the right. • If the drain valves are positioned on the power supply side, turn the suction and dis- charge lines: Installation and operating instructions • Wilo-WEV • Ed.01/2025-06...
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Page 19: Align Float Switch
Select the electrical connection cable according to the total power of the system (see rating plate). • Earth the pressure-maintaining system according to local regulations and conditions. The connections provided for this purpose are marked (see circuit diagram). Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 20: Commissioning
• Fill the pump with water and vent it before commissioning. It is recommended that the initial commissioning of the pressure-maintaining system be carried out by Wilo customer service (In France: SESEM). • Check that all pipe adaptors are stress-free. -
Page 21: Commissioning The System
If the pump runs dry, the mechanical seals will be damaged. • Fill the pump with water and vent it before commissioning. • Maintenance and repair work may only be carried out by qualified personnel. Eight days after commissioning: Installation and operating instructions • Wilo-WEV • Ed.01/2025-06... -
Page 22: Faults, Causes And Remedies
Clean the strainer (Fig. 1a, 1b; Item 9). • Operate the stop valve to prevent it from becoming stuck. Annually: • Have the pressure-maintaining system checked by Wilo customer service. • Have the pressure-maintaining system checked for watertightness. In case of frost or longer downtimes: •... -
Page 23: Spare Parts
Check supply pressure. Incorrect solenoid valve pressure • If the fault cannot be remedied, contact Wilo factory customer service. Spare parts are ordered via customer service. To avoid return queries and incorrect orders, Spare parts the serial or article number must always be supplied. Subject to change without prior no-... -
Page 24: Appendix
Further recycling information at http://www.wilo-recycling.com. Appendix 12.1 Captions Fig. 1a Example of WEV pressure-maintaining system with 2 pumps and 1 Fig. 1b drain valve Example of WEV pressure-maintaining system with 2 pumps and 2 drain valves Pumps... - Page 25 Overflow opening Drain valve Pipe elbow for solenoid filler valve kit Fig. 6: Earth connection Fig. 7 Vibration absorber settings M10 counter nut Vibration absorber Fig. 8 Degassing connection Connection for degassing the system Installation and operating instructions • Wilo-WEV • Ed.01/2025-06...
- Page 28 Local contact at www.wilo.com/contact WILO SE Wilopark 1 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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