Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 89

Electrical connections
Connection with temperature limiter
(part no. 7151 728, 7151 729) to exten-
sion kit for heating circuit with mixer
M3
A
sÖ
B
M
C
1~
A Plug sÖ for extension kit
B Temperature limiter
C Heating circuit pump M3
Connections for conversion from type BW to type WW
■ For PCB locations (terminal and plug
markings), see from page 75.
■ For examples of connecting pumps
and sensors, see system examples
from page 44.
■ For connections of all pumps to main
PCB with extension, see page 221.
For connection of all ? and N cables
to cross connect PCB, see page 225
(cont.)
sÖ
Installation sequence
■ For all sensor connections to the con-
troller and sensor PCB, see
page 228.
■ For parameter settings, see from
page 171.
89