Disconnectiong The Atomatic Transfer Switch From The Mains; Maintenance And Cleaning - Viessmann Vitocharge VX3 Backup-Box 3PH A Installationsanleitung

7.

DISCONNECTIONG THE ATOMATIC TRANSFER SWITCH FROM THE MAINS

WARNING
To switch the Automatic Transfer Switch voltage-free, please proceed as follows:
1) Switch terminal block X1 (mains connection) voltage-free
Switch off the safety elements (RCDs, MCCBs) in the main distribution for the cable that leads to the connection X1 of the Switch off the safety elements (RCDs, MCCBs) in the main distribution for the cable that leads to the connection X1 of the
Automatic Transfer Switch. Secure it against reactivation and determine the absence of voltage at terminal block X1. Automatic Transfer Switch. Secure it against reactivation and determine the absence of voltage at terminal block X1.
2) Switch the power storage system voltage-free
Shut down the power storage system in accordance with the handling instructions in the manual, determine the absence of
voltage and secure it against reactivation!
3) Switch terminal block X2 (backup-consumers) voltage-free or determine the absence of voltage
If generators are connected to the X2 terminal block (backup-consumers) in addition to consumers, these must fi rst be taken
out of operation in accordance with handling instructions in the corresponding manuals and secured against reactivation. The
absence of voltage of the terminal X2 has to be determined!
8.

MAINTENANCE AND CLEANING

You should regularly check the Automatic Transfer Switch for function and safety. According to DGUV regulation 3 §5, electrical systems
and stationary electrical equipment in „operating sites, rooms and systems of a special kind" (DIN VDE 0100-712 for PV systems) must be
checked ONCE a year by a qualifi ed electrician!
The plant operator should test the backup power operation at least once a year. To do this, proceed as described in chapter 6.4 - „Checking
the system in the event of a mains failure".
Visual inspection
Depending on the mounting location and the ambient conditions, there may be more or less external soiling of the enclosure. Clean
carefully here with a damp cleaning cloth.
 Do not use aggressive cleaning agents!
 Do not open the hinged cover of the enclosure for this purpose!
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QUALIFIED
ELECTRICIAN
Installationsanleitung_10016712_Viessmann_Vitocharge VX3_3PH_V1.0