Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 47

Further details regarding the individual steps
Function/system components
Internal circulation pump
Max. speed of the internal circulation pump in heating
mode: 20 %
Heating circuit pump A1 connection at extension
AM1, terminal A1
DHW circulation pump connection at extension AM1,
terminal A2
System version 5
One heating circuit without mixer, one heating circuit with mixer M2 (with
extension kit), one heating circuit with mixer M3 (with extension kit) and low
loss header (with/without DHW heating)
1
3
4
ID: 4605149_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 pump A1
Commissioning, inspection, maintenance
5
8
2
6 9
M
qU
qP
qZ
7 Heating circuit with mixer M2
6 Flow temperature sensor M2
9 Heating circuit pump M2
qP Extension kit for one heating circuit
(cont.)
Code
Adjust
31:20
—
—
7 qQ
qW
qE
qR
M
qT
(heating circuit 2)
with mixer M2
Group
"Boiler"
—
—
47