Viessmann VITODENS 222-F Installation And Service Instructions Manual page 103
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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Also See for VITODENS 222-F:
- Installation and service instructions manual (172 pages) ,
- Installation and service instructions for contractors (156 pages) ,
- Technical manual (156 pages)
Table of Contents
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Repairs
(cont.)
2. Test the resistance of the outside
temperature sensor across terminals
"X3.1" and "X3.2" on the disconnec-
ted plug and compare it with the
curve.
3. Where actual values strongly deviate
from the curve values, disconnect the
wires at the sensor and repeat test on
the sensor itself.
4. Subject to result, replace the lead or
the outside temperature sensor.
Troubleshooting
103
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