Viessmann VITODENS 300 Service Instructions Manual page 86
6.6 to 35.0 kw gas fired wall mounted condensing boiler natural gas and lpg version
Hide thumbs
Also See for VITODENS 300:
- Service instructions manual (132 pages) ,
- Datasheet (41 pages) ,
- Installation instructions manual (20 pages)
Table of Contents
Advertisement
Troubleshooting
Repairs
(cont.)
86
2. Test the resistance of the outside
temperature sensor across term-
inals X3.1 and X3.2 on the discon-
nected plug and compare with the
curve.
3. Where actual values strongly devi-
ate from the curve values, discon-
nect the wires at the sensor and
repeat test directly at the sensor.
4. Depending on the result, replace
cable or outside temperature sen-
sor.
Hide quick links:
Advertisement
Table of Contents
