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Summary of Contents for Wilo Rexa FIT-S
- Page 1 Pioneering for You Wilo-Rexa FIT-S en Installation and operating instructions · 6092602 • Ed.01/2022-03...
- Page 2 Rexa FIT-S http://qr.wilo.com/414 Rexa FIT https://qr.wilo.com/771...
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Page 3: Table Of Contents
7 Commissioning ................. 14 Personnel qualifications............. 14 Operator responsibilities............ 14 Direction of rotation check for three-phase AC motor .................... 14 Before switching on............ 15 Switching on and off ............ 15 During operation .............. 15 8 Shut-down/dismantling............ 16 Personnel qualifications............. 16 Operator responsibilities............ 16 Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 4: General Information
All rights reserved. CAUTION Subject to change Wilo shall reserve the right to change the listed data without no- Type and source of the danger! tice and shall not be liable for technical inaccuracies and/or omis- Consequences or information. -
Page 5: Personnel Qualifications
• Persons under the age of 18: Supervise them • Observe applicable local regulations when during use of the product (supervisor)! connecting to the mains power supply. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 6: Monitoring Devices
If necessary (e.g. blocked view), assign a – cordance with the regulations of the local en- second person to coordinate. ergy supply company. No one should stand under suspended – loads! Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 7: Installing/Dismantling
In case of contact with open skin, consult a – factors (installation, duty point, etc.). Measure doctor! the current noise level under operating condi- • Eye contact tions. Wear hearing protection at noise levels Remove the contact lenses. – Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 8: 2.14 Operator Responsibilities
Soaked packaging may tear! The product may fall on the ground if unprotected and may be damaged. Lift wet packaging carefully and replace it immediately! Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 9: Application/Use
Stainless steel motor housing. Detachable connection cable use is regarded as non-compliant with intended use. with bare cable ends. Materials • Pump housing: EN-GJL-250 (ASTM A48 Class 35/40B) • Impeller: EN-GJL-250 (ASTM A48 Class 35/40B) • Macerator: 1.4528/59 HRC (AISI 440B+Co) Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 10: Technical Data
Nominal diameter of the discharge connection: pump! DN 32/40 • Ensure the cooling time of the motor depending on the operat- Hydraulics type ing conditions and the size of the pump chamber. Material version: Standard Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 11: Installation
If several pumps are used in an operating space, minimum dis- tances between the pumps and the wall must be complied with. Here there is a difference in the distances depending on the type of system: Alternating operation or parallel operation. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... - Page 12 If the pump is used at the same location for a longer period of strongly fluctuating fill levels, provide a level control with two time, bolt the pump support foot to the floor. This reduces vi- measuring points. brations and enables quiet operation. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
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Page 13: Electrical Connection
Maintenance tasks • Check the insulation resistance of the motor winding. • Check the resistance of the temperature sensors. 6.5.2.1 Checking the insulation resistance of the motor wind- ✓ Insulation tester 1000 V Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 14: Commissioning
The connection must be made via an evaluation relay (e.g. nection. The pump is not approved for operation with a counter- “NIV 101/A”): clockwise rotating field! • Sensor: Electrode • Connection values: max. 250 V(AC), 2.5 A, cos phi = 1 • Threshold: 30 kOhm Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 15: Before Switching On
• Pump free from deposits and encrustations. • No air intake in the pumped fluid. • All gate valves open. • Quiet and low-vibration running. • Max. switching frequency not exceeded. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... -
Page 16: Shut-Down/Dismantling
If the pump remains installed after decommissioning, observe the • Safety goggles: uvex skyguard NT following points: – Labelling frame: W 166 34 F CE – Labelling disc: 0-0.0* W1 FKN CE Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03... - Page 17 5000 operating hours or after 10 years Lift the pump approximately 30 cm (10 in) above the ground. • Complete overhaul Spray the pump with clean water from top to bottom. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
- Page 18 In this regard, it is recommended to use remote monit- oring for regular inspections. 9.5.2 Visual inspection of the connection cable Check connection cable for: Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
- Page 19 Operating fluid milky/cloudy: Water in oil. Minor leakage done at the factory using two different methods: through the mechanical seal is normal. If the ratio of oil to • Thread-locking fluid Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
- Page 20 243). ⇒ Check the impeller to make sure that it runs smoothly, Secure the cutting head: Insert wedge between cutting head clean the hydraulics if necessary. and cutting plate. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
- Page 21 Replace the pencil electrode. ⇒ If air cushions occur frequently: Locate and prevent the air Mechanical seal is defective. intake, if required install ventilation systems at specified ⇒ Inform customer service. locations. Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
- Page 22 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! Installation and operating instructions • Wilo-Rexa FIT-S • Ed.01/2022-03...
- Page 24 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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