Diaphragm expansion tank maintenance...... 18 8 Faults, causes and remedies ........... 18 9 Spare parts ................ 19 10 Disposal.................. 19 10.1 Information on the collection of used electrical and elec- tronic products.............. 19 Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
All rights reserved. Subject to change Wilo shall reserve the right to change the listed data without no- tice and shall not be liable for technical inaccuracies and/or omis- sions. The illustrations used may differ from the original and are intended as an exemplary representation of the product.
The product must be operated by persons who have been in- structed on how the complete system functions. • Maintenance tasks: The technician must be familiar with the use of operating fluids and their disposal. Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Make sure that there is no risk of explosion when carrying out any type of welding work or work with electrical devices. Maintenance tasks • Wear protective equipment: Sealed safety glasses – Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Electrical system with intelligent and intuitive product control. – The system pressure is kept constant by adjusting the pump speed according to us- age. – The product controls the hydraulic and electrical operating parameters and protects against malfunctions. Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
“Operating status” LEDs are switched off. • “System status” LED lights up red permanently. Type key Example: Wilo-Isar BOOST5-E-3 Wilo Brand name Isar Pressure-boosting system BOOST Household use Integrated pump control Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Max 0.3 A at 230 V alternating current/Max 1 A at 30 V direct current Protection class IPX4 Motor protection Protection fuse max. 12.5 A Power supply cable 1.5 m Dimensions 360° 360° Ø40 Ø40 Fig. 3: Dimensions Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Water is supplied from wells, springs, tanks or the municipal water supply network. NOTICE • Observe local regulations for all drinking water applications. The WRAS and ACS certificate is available for all Wilo-Isar BOOST5 pressure-boosting sys- tems. Improper use Only for DE: The product must not be used for drinking water applications within Germany.
Inside diameter of connection pipe: G1" Insert suction and discharge port with gasket. Fit the handle grip on the discharge and suction ports. Fit the covers on the holders of the discharge and suction ports. Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Suction mode CAUTION Damage to property due to dry run! If the pump runs dry, the mechanical seals will be damaged. • Fill the pump with water and vent it before commissioning. Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
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5 minutes or if the suction is completed. The LEDs no longer flash. If the pump does not self-prime, repeat the procedure. 10. Press the “On/Off” operating button on the control panel. Fig. 9: Operating buttons + and - Fig. 10: Operating button On/Off Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
The operating pressure can be set between 1 bar and 5.5 bar. • Indicate operating pressure: Press operating button “+”. • Adjust the operating pressure by 0.5 bar at a time: Press operating buttons “-” or “+”. Example: Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Fill the diaphragm expansion tank until the desired and set operating pressure is reached. NOTICE If necessary, install an additional diaphragm expansion tank on the dis- charge side to avoid pressure peaks. Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
Alarm 5 Pressure sensor signal fault • Contact customer service. Alarm 6 Volume flow sensor signal fault • Contact customer service. Example Short-circuit: LED 1 lights up green + red LED flashes Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
CAUTION Premature damage to the product due to incorrect maintenance! • at least once a year (Wilo recommends: every 6 months): Check the filling pressure of the diaphragm expansion tank and fill if necessary. • Adjust the filling pressure of the diaphragm expansion tank every time the operating pressure changes.
Please note the following points to ensure proper handling, recycling and disposal of the used products in question: Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05...
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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!
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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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