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Summary of Contents for Wilo Rexa PRO-S04
- Page 1 Pioneering for You Wilo-Rexa PRO-S04 en Installation and operating instructions · 6094311 • Ed.01/2023-11...
- Page 2 Rexa PRO-S http://qr.wilo.com/415 Rexa PRO https://qr.wilo.com/772...
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Page 3: Table Of Contents
Direction of rotation check for three-phase AC motor .................... 21 Operation in an explosive atmosphere ...... 21 Before switching on............ 22 Switching on and off ............ 22 During operation.............. 22 8 Shut-down/dismantling............ 23 Personnel qualifications............. 23 Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 4: General
All rights reserved. Subject to change Wilo shall reserve the right to change the listed data without notice and shall not be liable for technical inaccuracies and/or omissions. The illustrations used may differ from the ori- ginal and are intended as an exemplary representation of the product. - Page 5 Danger caused by electric voltage Danger of bacterial infection Danger of explosion Danger caused by explosive atmosphere Warning of hand injuries (being crushed, cut) Warning of hot surfaces General warning symbol Observe instructions Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
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Page 6: Personnel Qualifications
Labelling disc: 0-0.0* W1 FKN CE – * Protection level according to EN 170 not relevant for this work. • Breathing protection mask (EN 149): Half mask 3M series 6000 with filter 6055 A2 Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 7: Electrical Work
The branded products in the parentheses constitute non-binding suggestions. Similar products from other brands can also be used. Adherence to the standards mentioned is required. WILO SE does not assume any liability for the adherence of the aforementioned products to the corresponding standards. Electrical work •... -
Page 8: Fluids Hazardous To Health
• Toxic or asphyxiating gases may build up in enclosed spaces or buildings. Observe protective measures in accordance with work regulations, e.g. carry a gas detector with you. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 9: 2.10 During Operation
Collect any leakage of fluid and operating fluid immediately and dispose of it according to the locally applicable guidelines. 2.13 Operating fluid The following white oils are used: • ExxonMobile: Marcol 52 • ExxonMobile: Marcol 82 General remarks • Absorb leakages immediately. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 10: 2.14 Operator Responsibilities
Defects must be noted on the freight documentation. • Defects must be notified to the transport company or the manufacturer on the day of receipt of shipment. • Subsequently notified defects can no longer be asserted. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 11: Transport
Do not store the pump in rooms where welding work is carried out. The resulting gases or radiation can corrode the elastomer parts and coatings. • Seal the suction and discharge connection tightly. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 12: Application/Use
Up to 2.5 kW: 1.4401 (AISI 316) – From 3.9 kW: Stainless steel AISI 1.4021 (420) • Seal on the motor side: C/MgSiO • Seal on the fluid side: SiC/SiC • Seal, static: NBR (nitrile) Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 13: Technical Data
04 = DN 40/50 Hydraulics type Identifier for material and coating type No. of poles IE class Mains connection version: • M = single-phase current (1~) • T = three-phase current (3~) Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 14: Operation In An Explosive Atmosphere
Pressure surges can occur in long pressure pipes with steep terrain. These pressure surges can lead to the destruction of the pump! • Ensure the cooling time of the motor depending on the operating conditions and the size of the pump chamber. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 15: Installation
Avoid air intake into the fluid. Use baffles or deflector plates at the inlet. Install the ventilation systems! • Do not allow the pump to run dry! Avoid air pockets. Do not go below the minimum wa- ter level. Installation of dry-running protection is recommended! Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... - Page 16 Lower the pump until it sets on the suspension unit and is connected automatically. CAUTION! Hold the connection cables slightly taut when lowering the pump! Loosen the lifting gear from the lifting equipment and secure it against falling at the pump chamber outlet. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
- Page 17 For this purpose, the minimum permissible fill level is monitored using an external control. When the minimum fill level is reached, the pump is switched off. Furthermore, depending on the control, a visual and acoustic alarm is triggered. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
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Page 18: Electrical Connection
The minimum requirement is a thermal relay/motor protection switch with temperature compensation, differential trip and reactivation lock according to local regulations. • Instable mains supply systems: if necessary, install further protective devices on-site (e.g. overvoltage, undervoltage or phase failure relays, etc.). Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... - Page 19 High temperature (wire 7/8): Switch off pump − manual (by hand) reactivation. 6.5.4 Optional equipment Information on electrical accessory connection or possible special configurations. Please refer to the order confirmation or configuration overview for details on the special config- uration. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
- Page 20 Set the motor protection to the rated current according to the rating plate. • Partial load operation Set the motor protection to 5 % above the current measured at the duty point. 6.5.5.2 Star-delta starting Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
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Page 21: Commissioning
• Do not allow the hydraulics to emerge. Switch off the pump at the ap- propriate level. • Install additional dry-running protection. • Carry out dry-running protection with a reactivation lock. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 22: Before Switching On
Dry running of the pump is prohibited. When the minimum delivery level is reached, switch off the pump. Dry running may destroy the seal and cause the pump to be irreparably damaged. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 23: Shut-Down/Dismantling
Locally applicable accident prevention and safety regulations of trade associations. Operator responsibilities • Observe regulations for working with heavy loads and under suspended loads. • Provide the necessary protective equipment and make sure that the personnel wears it. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 24: Shut-Down
Safety shoes: Protection class S1 (uvex 1 sport S1) • Protective gloves: 4X42C (uvex C500 wet) • Safety helmet: EN 397 Conforms to standards, protection against lateral deformation (uvex pheos) (When using lifting equipment) Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... - Page 25 Guide the water jet inwards through the discharge port to clean the impeller and pump interior. Disinfect the pump. Dispose of dirt residue on the ground, e.g. flush it into the sewer. Allow the pump to dry out. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
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Page 26: Maintenance And Repair
Highly corrosive or abrasive fluids • Strongly gassing fluids • Operation at an unfavourable duty point • Pressure surges If there are harsh operating conditions, it is recommended to conclude a maintenance con- tract. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 27: Maintenance Measures
Function test of the monitoring To test resistances, the pump must be cooled down to the ambient temperature! device ✓ Ohmmeter available. 9.5.5.1 Test the resistor of the temper- ature sensor Measure the resistance. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... - Page 28 ⇒ Comply with the specifications for the operating fluid type and quantity! Clean the screw plug, replace the seal ring and screw it back in. Max. tightening torque: 8 Nm (5.9 ft·lb)! Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
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Page 29: Repairs
The Nord-Lock screw locking device must only be used on bolts with strength class 10.9 which have been coated with Geomet. The use of stainless screws is prohibited! Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 30: Faults, Causes And Remedies
• If there are no persons in the working area, activate the pump. • If persons enter the working area, switch off the pump immediately. Fault: Pump does not start Electricity supply interrupted or short-circuit/earth fault in the cable or motor winding. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... - Page 31 Slide valves on the pressure side closed. ⇒ Completely open all gate valves. Hydraulics jammed. ⇒ Clean the hydraulics. Incorrect direction of rotation. ⇒ Have the connection corrected by a qualified electrician. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
- Page 32 Inform customer service. Further steps for troubleshooting If the points listed here do not rectify the fault, contact customer service. Customer service can assist in the following ways: • Telephone or written support. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
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Page 33: Spare Parts
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. See www.wilo‑recycling.com for more information about recycling. Subject to change without prior notice! Appendix 13.1... -
Page 34: Frequency Converter Operation
Observe additional measures with regard to EMC regulations (choice of frequency con- verter, using filters, etc.). • Do not exceed the rated current or rated speed of the motor. • Connection for bimetallic strip or PTC sensor. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... -
Page 35: Ex Rating
All monitoring devices outside the “spark-proof areas” must be connected via an in- trinsically safe circuit (e.g. Ex-i relay XR-4...). • The voltage tolerance may not be higher than max. ±10 %. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11... - Page 36 There is a risk of fatal injury from explosion if non-approved pumps are used in potentially explosive atmospheres! • Only use approved pumps inside potentially explosive atmospheres. • Check the Ex labelling on the rating plate. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
- Page 37 Damaged connection cables may only be replaced by customer service or a certified work- shop. 13.3.6.3 Changing the mechanical seal Fluid and motor seals may only be replaced by customer service or a certified workshop. Installation and operating instructions • Wilo-Rexa PRO-S04 • Ed.01/2023-11...
- Page 40 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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