Operating instructions

4. After testing, press d.
5. Record the actual value in the ser-
vice report.
Matching the control unit to the heating system
Note
The control unit must be matched to the system equipment. Various system
components ar e automatically r ecognised by the co ntrol unit, and code s are
automatically set.
&
For selection of an appropriate design, see the following diagrams.
&
For coding ste ps, see page 39.
System design 1
With one heating circuit without mixer A1
! Outside temperature sensor (only
for weather-compensated control
units)
or
lH Vitotrol 100 (only for constant
temperature control units)
Further details regarding the individual steps (cont.)
27
Initial start-up, inspection, maintenance
5692 548 GB