— English Fillcontrol Auto Make-up and degassing — 06.07.2016 - Rev. B
8.1.4 Summer operation
The make-up with fresh water must be ensured even outside of the operation of the heating and cooling systems. Do not shut down the
device when the pressure maintaining systems of the heating and cooling systems are in operation.
8.1.5 Restarting
Risk of injury due to pump start-up
Hand injuries may occur when the pump starts up if you turn the pump motor at the impeller using a screwdriver.
• Switch the pump to a zero-volts state before turning the pump at the fan wheel with a screwdriver.
Device damage due to pump start-up
Pump damage may occur when the pump starts up if you turn the pump motor at the impeller using a screwdriver.
• Switch the pump to a zero-volts state before turning the pump at the fan wheel with a screwdriver.
After an extended standstill time (the device is de-energised or in Stop mode), the "PU" pump may jam.
• Use a screwdriver to rotate the pump at the fan wheel of the pump motor before restarting.
Note!
A jamming of the "PU" pump is prevented during automatic operation thanks to forced
starting action (after 24 hours).
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