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Direction of rotation monitoring .................................. 65 Operation in an explosive atmosphere ................................ 66 Before switching on...................................... 66 Switch on and off...................................... 66 During operation ...................................... 67 8 Shut-down/dismantling................................. 67 Personnel qualifications.................................... 67 Operator responsibilities.................................... 68 Shut-down........................................ 68 WILO SE 2021-10...
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12.3 Information on the collection of used electrical and electronic products.................... 79 13 Appendix.................................... 79 13.1 Tightening torques ...................................... 79 13.2 Frequency converter operation .................................. 80 13.3 Ex rating ........................................... 81 Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
Subject to change Wilo shall reserve the right to change the listed data without notice and shall not be li- able for technical inaccuracies and/or omissions. The illustrations used may differ from the original and are intended as an example representation of the device.
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Personal protective equipment: wear foot protection Personal protective equipment: wear hand protection Personal protective equipment: wear safety harness Personal protective equipment: wear mouth protection Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
ƒ Breathing protection mask (EN 149): Half mask 3M series 6000 with filter 6055 A2 Article recommendations The articles mentioned in brackets are recommendations. The articles can be replaced with an identical article according to the mentioned labellings! WILO SE 2021-10...
ƒ Observe packaging instructions: – Impact-resistant – Ensure that the product is properly fixed in place. – Protect it against dust, oil and moisture. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
Skin contact: Rinse skin areas thoroughly with soap and water. If skin irritation oc- curs, consult a doctor. ƒ Contact with eyes: Remove the contact lenses. Rinse eye thoroughly with water. If eye irritation occurs, consult a doctor. WILO SE 2021-10...
ƒ Use tear-proof plastic sacks of sufficient size to package used mixers for transport in a leak-proof manner. Fig. 1: Attachment point Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
Protect the connection cable against kinking and damage. Maintain a constant bend radius! ƒ Turn the propeller at regular intervals (twice a year). This prevents the bearings from jamming and renews the lubrication film on the mechanical seal. NOTICE! Wear pro- tective gloves! WILO SE 2021-10...
The submersible motor meets the IE3 motor efficiency class (according to IEC 60034-30). Technical data Operating mode, immersed Operating mode, non-immersed Fluid temperature 3 … 40 °C (37 … 104 °F) Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
− − − − Propeller 1.4408 • • • • • • • • (ASTM A 351) • = standard, − = not available Monitoring devices Overview of possible monitoring devices for submersible mixers without Ex rating: WILO SE 2021-10...
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This allows two temperatures to be measured. Once the low activation temperature has been reached, an automatic Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
The following is an overview of the abbreviations and associated data on the rating plate: Rating plate Value designation P-Typ Mixer type M-Typ Motor type Serial number Date of manufacture* Speed Max. fluid temperature Protection class Rated current WILO SE 2021-10...
Risk of fatal injury due to dangerous lone working practices! Work in chambers and narrow rooms as well as work involving risk of falling are dan- gerous work. Such work may not be carried out autonomously! • Only carry out work with another person! WILO SE 2021-10...
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After a storage period of more than 12 months, carry out the following maintenance tasks before installation: ƒ Rotate propeller. See section “Rotating the propeller [} 71]”. ƒ Seal housing oil change. See section “Oil change [} 73]”. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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▶ Mixer is installed. Make the electrical connection. 6.4.4 Installation with lowering device The mixer is lowered into the basin using a lowering device. The lowering device’s guide pipe safely guides the mixer to the duty point. The resultant reaction forces are trans- WILO SE 2021-10...
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NOTICE! The frame must be perpendicular to the guide pipe. If the frame is not perpendicular to the guide pipe, adjust the reach of the hoisting gear. Fig. 6: Swivel the mixer over the basin Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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6. Set the desired angle and install a screw to secure the lowering device against fur- ther adjustments. ▶ Installation is complete. Lay the connection cable and make the electrical connec- tion. Fig. 8: Mixer set down on the fixed limit stop WILO SE 2021-10...
In case of sensitive mains, make provision for the installation on- site of other protective equipment (e.g. overvoltage, undervoltage or phase failure re- lay, etc.). Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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Refer to the attached connection diagram for more precise details regarding the ver- sion. ƒ The individual wires are designated according to the connection diagram. Do not cut the wires! There is no additional assignment between the wiring diagram and con- nection diagram. WILO SE 2021-10...
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Connection values: max. 250 V (AC), 2.5 A, cos φ = 1 Wiring diagram for bimetallic strip Temperature limiter 20, 21 Bimetallic strip connection Temperature controller and limiter High temperature connection Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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Motor protection in the motor line: Set the motor protection to 0.58 x rated cur- rent. – Motor protection installed in the mains supply cable: Set the motor protection to the rated current. ƒ The maximum start-up time in the star connection: 3 s WILO SE 2021-10...
Direct starting: swap two phases. ƒ Star-delta starting: swap connections of two windings (e.g. U1/V1 and U2/V2). NOTICE! After changing this connection, check the direction of rotation again! Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
ƒ During operation, do not exceed the rated current any more. CAUTION! Material damage! If the mixer does not start up, switch it off immediately. Motor failure! Remove the fault first before reactivation. WILO SE 2021-10...
• Only carry out work with another person! WARNING Risk of burns from hot surfaces! The motor can get hot during operation. It may cause burns. • Allow the motor to cool down to ambient temperature after switching it off. WILO SE 2021-10...
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1. Ensure that the bare cable ends are packed in a watertight manner! 2. Attach the lifting equipment to the attachment point. 3. Lift the mixer approximately 30 cm (10 in) above the ground. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
ƒ Visual inspection of cable brackets and cable tensioning ƒ Visual inspection of the mixer ƒ Visual inspection of accessories ƒ Function test of monitoring devices ƒ Oil change 40000 operating hours or after 10 years ƒ Complete overhaul WILO SE 2021-10...
CAUTION! Do not place the mixer on the propeller! Use an appropriate platform for the propeller diameter. 2. Secure the mixer against falling over or slipping! 3. Grip the propeller carefully and rotate the propeller. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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Visual inspection of accessories Accessories must be checked for: ƒ Correct fixation ƒ Smooth function ƒ Signs of wear, e.g. cracks caused by frequencies Any defects detected must be repaired immediately or the accessories must be re- placed. WILO SE 2021-10...
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9. Clean the screw plug (+/-), replace the seal ring and screw it back in. Max. tighten- ing torque: 8 Nm (5.9 ft·lb)! 10.Restore corrosion protection: Seal screw plug, e.g. with Sikaflex. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
The general overhaul is performed by the manufacturer or an authorised service centre. Repairs WARNING Risk of injury from sharp edges! Sharp edges can form on the propeller blades. There is a danger of cuts and similar injuries! • Wear protective gloves! WILO SE 2021-10...
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3. Clean the shaft and apply new lubricating grease. Fig. 13: Propeller replacement 4. Carefully slide the propeller back on as far as it will go. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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7. Coat the hexagon head screws with thread-locking fluid. 8. Place the new frame on the motor flange. 9. Place washers on the hexagon head screws. 10.Attach and firmly tighten hexagon nuts. Max. tightening torque: see appendix. WILO SE 2021-10...
1. Mains connection interrupted or short-circuit/earth fault in the cable or motor winding. ⇒ Have the connection and motor checked by a qualified electrician and replace if necessary. Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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1. Improper duty point. ⇒ Check fluid density and viscosity. ⇒ Inspect system configuration, and contact customer service. 2. Propeller clogged. ⇒ Clean propeller and mechanical seal. ⇒ Check the pre-treatment. 3. The connection only has two phases. WILO SE 2021-10...
ƒ Observe additional measures with regard to EMC regulations (choice of frequency converter, using filters, etc.). ƒ Do not exceed the rated current or rated speed of the motor. ƒ Connection for bimetallic strip or PTC sensor. WILO SE 2021-10...
(e.g. Ex-i relay XR-4...). ƒ The voltage tolerance may not be higher than max. ±10 %. Overview of possible monitoring devices for submersible mixers with Ex rating: Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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13.3.4.2 Sealing chamber monitoring (ex- Connect the external pencil electrode via an Ex-rated evaluation relay! Relay ternal electrode) “XR-4…” is recommended for this. The threshold is 30 kOhm. ƒ The connection must be made using an intrinsically safe circuit! WILO SE 2021-10...
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13.3.6.2 Replacing the connection cable Changing the connection cable is strictly prohibited! 13.3.6.3 Changing the mechanical seal Changing the seal on the motor side is strictly prohibited! Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40...
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Local contact at www.wilo.com/contact WILO SE Wilopark 1 44263 Dortmund Germany T +49 (0)231 4102-0 F +49 (0)231 4102-7363 wilo@wilo.com Pioneering for You www.wilo.com...
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