Also comply with the indications and safety instructions in other chapters! Symbols Symbols: WARNING General safety symbol WARNING Electrical risks NOTICE Notes Warnings: DANGER Imminent danger. May result in death or severe injuries if the hazard is not prevented. Installation and operating instructions • Wilo-Isar BOOST5 • Ed.03/12/2022...
Children must be supervised to ensure that they do not play with the device. Installation and operating instructions • Wilo-Isar BOOST5 • Ed.03/12/2022...
The limit values must on no account fall below or exceed the values specified in the cata- logue/data sheet. Application Wilo-Isar BOOST5 is an automatic pressure-boosting system with a variable speed function including: • a high-efficiency self-priming electric pump, •...
In Germany, this product must not be used in drinking water applications. Connection to the municipal water supply net- work is not authorised. The WRAS certificate is available for all Wilo-Isar BOOST5 pressure-boosting systems. Description of the product • Compact, silent and high-performance pump system.
The system is powered and not in operation. • Operating LEDs off. • System status LED solid green. System running • System powered and pump running. • Operating LEDs indicate adjustment value. • System status LED solid green. Installation and operating instructions • Wilo-Isar BOOST5 • Ed.03/12/2022...
WARNING Physical injuries The applicable regulations for the prevention of accidents must be com- plied with. WARNING Risk of electric shock Hazards from electric current must be prevented. Installation and operating instructions • Wilo-Isar BOOST5 • Ed.03/12/2022...
Unpack the pump and recycle or dispose of the packaging in an environmentally respons- Receipt of the product ible manner. Hydraulic connection DANGER Risk of physical injuries The applicable regulations for the prevention of accidents must be com- plied with. Installation and operating instructions • Wilo-Isar BOOST5 • Ed.03/12/2022...
Working pressure adjustment The working pressure of the Wilo-Isar BOOST5 is displayed by green LEDs that light up on the control panel. It ranges from 1 to 5.5 bar To adjust: •...
Inflating the expansion tank CAUTION Risk of material damage The expansion tank built into the Wilo-Isar BOOST5 is pre-inflated to 1.5 bar at the factory. Optimum tank inflation ensures the smooth oper- ation of the system and prevents premature bursting of the diaphragm.
Move the red lever into the vertical position to turn off the automatic self-priming oper- ation. • Screw the drainage screw back on and refill the Wilo-Isar BOOST5 with water as de- scribed in the chapter “Filling and Starting”. Commissioning...
The priming process lasts no longer than 5 minutes. At the end of each minute, Wilo-Isar BOOST5 stops the electric pump automatically for 5 seconds, then restarts it. And so on until Wilo-Isar BOOST5 is primed. During this process, the LEDs will continue to flash. The priming stage may be brought to a close by timeout (5 minutes) or the end of the prim-...
Low voltage alarm Flashing red LED, flashing green Voltage is more than 15 % lower than value indicated on signal LEDs in position 5. plate. Stabilise voltage to keep it within the limits ±15%. Installation and operating instructions • Wilo-Isar BOOST5 • Ed.03/12/2022...
Spare parts All spare parts should be ordered directly from the Wilo customer service. To prevent errors, always quote the data on the pump’s rating plate when making an order. The spare parts catalogue is available at www.wilo.com Disposal Information on the collection of used electrical and electronic products.
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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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