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21. Emergency handle
In case of power loss or control problems:
1. Prior to using the emergency handle disconnect the valve from the power supply.
Interrupt the control cables to the valve.
2. Lower the system pressure (switch off pump, close ball valves, mind possible water
columns)
3. Use the emergency handle according to the below chart.
The emergency handle is not designed to replace the electric drive.
In order to secure proper function of the emergency handle it should
not be used permanently!
20.1 Dismantling
Attention
Lower the system pressure prior to using
the emergency handle
