Viessmann SI 1830 Manual page 8

Fig. 11 c
Fig. 11c
230 V ~ 50Hz
L
N (G)
L N
Fig. 12
Fig. 12
NC
8
N1062_00_1546.indd 8
Junction Box
L
N
Black Red
Grey
(G)
N
L
Black
Grey
Safety
Red
Safety Level
NO
10/11/2015 11:57:52