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ABB2000IKI01
32
Installation manual
Ingeteam
3.
Open the thermomagnetic circuit breaker (*).
4.
Isolate the PV array powering the unit, from outside the panel. (**)
5.
Switch off three-phase protection from the corresponding protection outside the units.
6.
Open the QAUX switch.
7.
Wait 10 minutes for the internal capacitances to discharge (harmonic filter, etc.), for the existing internal
resistors to cool and the fan blades to stop turning.
8.
Check that there is no voltage by using an appropriate multimeter.
This measurement is made at terminals
XAC and X8 and on the AC positive and negative strips in the electronics block. See Section
.
Use the PPE listed in section
“Important safety precautions”
.
9.
Signal cut-off points (DC/AC) with a sign indicating the type.
(*) When the DC circuit breakers and the automatic AC switches are switched to the OFF position (no voltage)
a consignment lock will be placed on the door knobs (mechanical lockdown) and a sign reading “Do not touch.
Personnel at work” will be posted.
(**) If the PV array cannot be isolated from outside the panel, bear in mind that the feeds to the CD circuit breakers
will be live and work must be carried out using the appropriate PPE (dielectric gloves suitable for the working voltage,
face shield, safety boots, working clothes, recommended fireproof clothes, etc.).
Any work carried out which implies a modification of the original electrical settings must be proposed to and accepted
by Ingeteam.
Содержание SUN 125 TL U 208 Outdoor
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