Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 35

Preparing for installation
Preparing for installation
(cont.)
MCB/fuse max. 16 A, 230 V,
50 Hz.
The on-site cable to the building's
main meter should have a resist-
ance which is as low as possible.
Therefore, observe the cable
length and cross-section.
Recommended cable cross-sec-
2
tion: 3 x 2.5 mm .
35