Activation Of The Protective Organs - Viessmann Vitocharge VX3 Backup-Box 3PH A Installationsanleitung

6.2

Activation of the protective organs

 Measure whether there is a low-impedance connection between contacts 1 and 2 at connection X4 to ensure that the NC-
contact of the digital output of the power storage system is closed.
 Make sure that mains voltage is present at connection X1.
 Activate the circuit breaker F3 of the control circuit
• The power contactor K1 and K2 activate
• The selected loads for backup power mode are now supplied in grid parallel operation
 Activate the circuit breaker of the power storage connection
The power storage system is now ready for confi guration according to the system accompanying documentation (see section 1.1).
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F3
control
circuit
Installationsanleitung_10016712_Viessmann_Vitocharge VX3_3PH_V1.0