Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 44

Commissioning, inspection, maintenance
Further details regarding the individual steps
System version 2
One heating circuit without mixer A1
and one heating circuit with mixer M2
(with/without DHW heating)
Note
The flow rate of the heating circuit with-
out mixer must be at least 30 % greater
than the flow rate of the heating circuit
with mixer.
3
4
ID: 4605146_1001_01
1 Vitoladens 300-W
2 Outside temperature sensor
3 DHW cylinder
4 Cylinder temperature sensor
5 Heating circuit without mixer A1
(heating circuit 1)
6 Heating circuit with mixer M2
(heating circuit 2)
44
5
2
1
6
7
8
9
M
qP
7 Temperature limiter to restrict the
maximum temperature of underfloor
heating systems
8 Flow temperature sensor M2
9 Heating circuit pump M2
qP Extension kit for one heating circuit
with mixer M2
(cont.)