Viessmann Vitodens 200-W Installation Instructions Manual page 52

Commissioning, inspection, maintenance
Further details regarding the individual steps
Function/system components
System with low loss header and with DHW circula-
tion pump:
Heating circuit pump A1 connected at AM1 extension,
terminal A1
DHW circulation pump connected at internal exten-
sion H1 or H2
System with low loss header
System version 2
One heating circuit with mixer M2, with or without DHW heating, with low loss
header
5
6
ID: 4605522_1304_02
1 Vitodens 200-W
2 Outside temperature sensor
3 Boiler circuit pump
4 Circulation pump for cylinder heat-
ing
5 DHW cylinder
6 Cylinder temperature sensor
52
2
1
qE
3
4
7
8
9
qP
M
qQ
qW
7 Heating circuit with mixer M2 (heat-
ing circuit 2)
8 Temperature limiter to restrict the
maximum temperature of underfloor
heating systems
9 Flow temperature sensor M2
qP Heating circuit pump M2
(cont.)
Code
Set Group
—
—
04:0 "Boiler"/1