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Installation and operating manual
2.5.3 Pressurized systems
The following situations may result in serious injury or death:
•
Contact with fluids that escape quickly or abruptly
•
Bursting system components
•
Pressurized hose and pipe whipping as a result of disconnection
For the safe handling of pressurized systems, observe the following:
•
Observe the following safety rules for all work:
1. Shut down the system or system section.
2. Secure the system or system section against restarting.
3. Reduce the pressure in the system or all system sections to the ambient pressure.
By slowly releasing the pressure in a controlled manner with relief valves, for example
4. Lock out and tag out the system or system section so that it cannot be pressurized again.
•
Check the pressurized system or system section for safety, contamination and possible damage.
•
Before pressurization, check all system connections for leak tightness and retighten them if necessary.
•
Make absolutely sure to charge the system or system section with pressure slowly.
•
Avoid pressure shocks.
•
Compensate vibrations occurring in the pipeline network by using vibration dampers.
2.5.4 Electrical voltage
Contact with live components may result in serious personal injury or death.
To ensure the safe handling of live components, observe the following:
•
Connect the product and accessories to a power supply only if they are in proper working order.
•
Comply with all regionally applicable regulations and requirements during installation.
•
The power supply must have a disconnect device that is easily accessible and close to the product.
0 This disconnect device must disconnect all live cables.
•
Connect the equipment protective conductor (earthing) in accordance with applicable regulations.
•
Only operate the product and accessories with a complete and closed cover or closed electronic housing.
•
Before starting work on the product:
1. De-energize
0 Disconnect the product from all poles and all sides
2. Secure against restarting.
3. Determine the absence of voltage at all poles.
0 With an appropriate and approved measuring device (e.g., two-pole voltage tester)
4. Earth and short circuit.
•
Only the manufacturer is allowed to open the housing of the FRC control unit.
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