Janitza AHF
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6.3 Procedure for switching off the installation
Switch the installation off via the:
1. Circuit breaker
Switch off the circuit breaker between the AHF and the power grid:
The system and the device are completely switched off.
Check to be sure there is no voltage and take note of the capacitive discharge
time.
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Troubleshooting and maintenance can now be carried out.
2. The “Power ON/OFF” menu
Click on the “Power On/Off” button and the system will be shut down.
This option only switches off the compensation, while the higher-order power
supply from the switchboard cabinet and the auxiliary supply remain activated and
the respective control unit is in the idle state.
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Maintenance work or any opening of the switchboard cabinet is
not
permitted in
this mode.
WARNING
Risk of injury due to electrical voltage!
Severe bodily injury or death can result from:
• Touching bare or stripped leads that are energized.
• Inputs of the device and its components that pose a hazard when touched.
• Therefore please abide by the following:
·
Switch off your installation before commencing work!
Check to be sure it is de-energized!
Ground the installation! Use the ground connection points with the ground symbol to
do so!
Once the device has been checked by a technician, powering on is permitted.
If the system is de-energized, follow the steps for powering on shown below.
1.
Close the circuit breaker between the power grid and the AHF.
2.
Close the circuit breaker in the switchboard cabinet.
The start screen appears on the monitor.
• The power supply of the AHF is correct if the green indicator lamp blinks.
• If there is a fault, the red alarm indicator lamp is illuminated, the green operating
indicator lamp remains off and the AHF cannot start.
3.
Send a “Power On” command. Options for powering on:
• Status “Auto Power On” – the system starts automatically
• Status “Manual Power On” – the system must be started manually by the user
via the “Power ON/OFF” menu.
