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Installation and operating instructions • Isar BOOST5 • Ed.06/2024-05 9
2.2.1 Description of operating modes
System ready for operation
• System is switched on and not in operation.
• “Operating status” LEDs are switched off.
• “System status” LED lights up green permanently.
System in operation
• System is switched on and in operation.
• “Operating status” LEDs run in a cycle.
• “System status” LED lights up green permanently.
System switches itself off
• System shuts down.
• “Operating status” LEDs run in a cycle.
• “System status” LED flashes green.
System fault/alarm
• Unit is switched on but not ready for operation.
• “Operating status” LEDs are switched off.
• “System status” LED lights up red permanently.
2.3 Type key
Example: Wilo-Isar BOOST5-E-3
Wilo Brand name
Isar Pressure-boosting system
BOOST Household use
5 Integrated pump control
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