Further details regarding the individual steps
System version 1
One heating circuit without mixer A1
2
1
1 Vitodens 222-F
2 Outside temperature sensor (only
for weather-compensated control)
Required code
Operation with LPG
Commissioning, inspection, maintenance
3
4
3 Vitotrol 100 (only for constant tem-
perature control units)
4 Heating circuit without mixer A1
(cont.)
82:1
49