Viessmann VITODENS 222-F Installation And Service Instructions Manual page 49

Compact gas condensing boiler 4.8 to 35 kw natural gas and lpg version gc no 47-819-15 (19kw); 47-819-16 (26kw); 47-819-17 (35kw)
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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

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Vitodens 222-f fs2a

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