ECA CONFEO PREMIX P 14 HM, Руководство по обслуживанию

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• Immersion-type NTC
Subject Descrip � on
Part’s Function
1- The component that measures the outlet temperature of the water in the domestic
water circuit.
Impact in Case of Malfunction
1- It may lead to water temperature fluctuation as well as inconvenience since the
temperature set by the user and the actual temperature will be different.
2- The device does not work.
Main Associated Error Codes
E18, F52
Error Diagnostics and Test
Method
Visual Inspection and Testing:
1- Ensure that the cable connections are properly done and undamaged.
2- Check if there is any rusting, corrosion, or deformation at the immersion probe.
3- Measure the resistance.
Maintenance Requirement
There is no special maintenance requirement.
Test Descrip � on Test Method
Resistance Measurement for
The Immersion-type NTC
Disconnect the device from power. Remove the immersion-type NTC from the boiler and
wait for it to cool at room temperature for about 10 minutes. Measure the resistance
between the NTC ends. Ensure that the resistance value is appropriate according to the
table below.
Ambient Temperature (°C) Resistance measured at the ends of the immersion-type NTC (kohm)
0-5 27.3 -22.1
6-10
21.2-18
11-15 17.3-14.7
16-20 14.1-12.1
21-25 11.6-10
26-30 9.63–8.3
31-35 8-6.95
36-40 6.7-5.8
Table 2 1
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