Viessmann enwitec Vitocharge VX3 Backup-Box 1PH TYP A Installationsanleitung Seite 33

2.1.5 Thermal power output
The thermal power output (rated output) and the maximum authorised ambient temperature are crucial in terms of the maximum
heating of the components inside the Automatic Transfer Switch. In order to prevent the unintentional triggering of circuit breakers and
residual current circuit breakers or causing damage to the components of the Automatic Transfer Switch, these two parameters must
remain within their authorised range.
Maximum grid-side pre-fusing of the automatic transfer switch:
Maximum authorised ambient temperature:
Maximum authorised power output:
P = ∑ (+P
max.output max. supply
Installationsanleitung_10015272_Viessmann_Vitocharge VX3_1PH_V2.0
) + (-P )
max. feeding
gG/gL fuse 40A
35°C
9,2kW
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