Viessmann Vitocal 222-G User Manual page 139

Vitocal 200-S/222-S/242-S
Note
Instantaneous heating water heater 4, 3-way diverter valve 5 and secondary pump 6 are already prefitted and wired.
Electrical connection, external heat source KO1B / KO2B / KW6B
tP
KO1B/KO2B/KW6B
N
40
L
2
3
1
X3.3
1
X3.2
X3.1
X3.7
145
X3.6
LON
A1 21
A2 22
5
A1 13
A2 14
ID: 4605169_1304_08
VIESMANN
144
(cont.)
230 V/50 Hz
KTS
OTS
222.4
2
K1 56
224.7
2
K2
57
tQ
EA1
L
40
N
N
40A
L
P
157 Ö
S
2
0-10V
1
6
DE3
5
4
DE2
3
2
DE1
1
2
145
1
230 V, 50 Hz
System examples