Fimer PVS-50-TL - Switch-Off Procedure

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000878BG-F
7 - Operation
Switch-off procedure
1. Preliminary checks
• PPE Check: Verify the integrity of the PPE that is going to be used
to perform the operations.
• Equipment check: Check the voltage tester is working correctly.
2. Wear the appropriate PPE for carrying out the operations (ove-
rall resistant to electric arc, dielectric helmet with visor, insula-
ting gloves). All the following activities (till the completion of the
procedure) must be performed wearing the PPE.
3. Check the absence of dangerous voltages on inverter chassis
respect ground:
• Check the absence of dangerous voltage on the inverter chassis.
The measurement point are between inverter chassis and a ground
point outside the inverter.
4. Operations on External AC source
• Disconnect any AC external sources.
• Afx designated lock preventing operation onto any external AC di-
sconnect device, afxing designated tags.
• Check on the status LEDs
05
the shutdown command has been
carried out: Missing Grid: Power LED (Green) Flashing – Alarm
LED (Yellow) on (solid).
5. Operations on External DC source
Note: In case of absence of External DC disconnect device go on the
section (Operations on internal DC Switch)
• Disconnect any DC external sources
• Afx designated lock preventing operation onto any external DC
disconnect device, afxing designated tags.
• Check on the status LEDs
05
the shutdown command has been
carried out: Missing DC voltage: All LEDs OFF.
6. Operations on Internal DC disconnect switches
15
• Open DC switches
15
.
• Afx padlocks and tags to inhibit the re-closing operation.
• Check on the status LEDs
05
the shutdown command has been
carried out: Missing DC voltage: All LEDs OFF.