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139
Checking the outside temperature sensor
X3
100
10
-20 -10 0 10 20 30
Temperature in °C
6
8
20
40
60
80
200
Resistance in k
Ω
Sensor type: NTC 10 kΩ
1.
Pull plug "X3" from the control unit.
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 deviate severely
from the curve values, disconnect the
wires at the sensor and repeat the
test on the sensor itself.
4.
Depending on the result, replace the
lead or the outside temperature sen-
sor.
Troubleshooting
Repair
(cont.)
5773 216 GB
Service
Содержание Vitodens 222-F B2TA series
Страница 12: ...12 2 5 1 4 2x 3 Installing the boiler Removing the front panels 5773 216 GB...
Страница 13: ...13 1 2 SW17 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation...
Страница 19: ...19 2x 4x 4 3 5 2 1 Installing the boiler Opening the control unit casing 5773 216 GB Installation...
Страница 29: ...29 5 4 2 6 2x 3 1 Installing the boiler Closing the control unit casing 5773 216 GB Installation...
Страница 31: ...31 4 1 5 2 2x 3 Installing the boiler Fitting the front panels 5773 216 GB Installation...
Страница 194: ...194 5773 216 GB...
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