Viessmann VITODENS 222-F Installation And Service Instructions Manual page 52

Commissioning, inspection, maintenance
Further details regarding the individual steps
Function/system components
DHW circulation pump connection at extension AM1,
terminal A2
System with low loss header
System version 3
One heating circuit without mixer A1 and one heating circuit with mixer M2
1
1 Vitodens 222-F
2 Outside temperature sensor
3 Heating circuit without mixer A1
(heating circuit 1)
4 Heating circuit with mixer M2 (heat-
ing circuit 2)
5 Temperature limiter for limiting the
maximum temperature of underfloor
heating systems
52
3
2
4
5
6
7
M
8
6 Flow temperature sensor M2
7 Heating circuit pump M2
8 Extension kit for one heating circuit
with mixer M2
(cont.)
Code
Adjust Delivered con-
—
04:0
dition
34:0
04:1