Viessmann VITODENS 222-F Installation And Service Instructions Manual page 59

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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Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
Constant temperature control unit
Reset code 24:1 to 24:0.
Note
The selected service parameters for hours run and time interval restart at 0.
59

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Vitodens 222-f fs2a

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