Viessmann EA1 - Page 17

17
Power supply to the heat generator control unit or additional
accessories
Possible designation of the power sup-
ply concerned:
■
fÖ A
■
lH
■
aBH
Danger
Incorrect core assignment can
result in serious injury and dam-
age to the appliance.
Never interchange cores "L" and
"N".
Power supply (groups A, B and D)
B
230 V~
N L1
PE
A
L
N
L
N
fÖ
S
P
aBJ
Ö
f-]
A
A
EA1 extension
B
Heat generator control unit or other
accessory
Power supply
5443233