Matching The Control Unit To The Heating System - Viessmann VITODENS 200-W Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Matching the control unit to the heating system

The control unit must be matched to the equipment level of the system. Various sys-
tem components are recognised automatically by the control unit and the relevant
codes are adjusted automatically.
■ For the selection of an appropriate scheme, see the following diagrams.
■ For coding steps, see page 39.
System version 1
One heating circuit without mixer A1 with/without DHW heating, with/without
low loss header
1
5
6
4
ID: 4605139_1001_01
1 Vitodens 200-W
2 Outside temperature sensor (only
for weather-compensated control
units)
or
Vitotrol 100 (only for constant tem-
perature control units)
3 Heating circuit pump
4 Circulation pump for cylinder heat-
ing
26
7
2
3
(cont.)
7
8
qP
9
5 DHW cylinder
6 Cylinder temperature sensor
7 Heating circuit without mixer A1
(heating circuit 1)
8 Heating circuit pump A1
9 Low loss header
qP Flow temperature sensor, low loss
header