Installation — cylinder loading system
Wiring diagram for connecting the temperature controller, contactor relay and motorised valve
L
N
A
PE
1
2
3
5
Motorised valve 6 is only required for pressurised flow distributors.
DHW heating
(cont.)
1
2
3
5
4
For the key and required components, see page 48.
3
M
M
M
1~
1~
1~
6
B
C
VIESMANN
49
7