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Ntc; Regeneration / Drainage Valve - Bosch GV 630 S Repair Instructions

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4.6

NTC

The utilised temperature safety switch (>85 °C) is combined with the
NTC sensor. If a fault occurs, the heater is switched off at a water
temperature of 85 °C (operates in switching mode).
Temperature in °C
Resistance in kW
25
30
50
60
65
202_58300000104305_ara_en_b – 02.11.a
Tolerance +/– °C
48.4
7.9
38.5
7.1
16.5
6.2
11.0
5.6
9.1
5.5
4.7

Regeneration / drainage valve

The regeneration valve and the drainage valve are situated in the
water softening system.
If the regeneration valve is actuated, the
water stored in the regeneration chamber is conveyed through the
water softening system. If the drainage valve is actuated, the water
stored in the heat exchanger (HE) is conveyed into the rinsing tank via
the water softening system.
Technical specifications:
Nominal voltage
Frequency
Resistance
A
= Water softening system
B
= Regeneration valve
C
= HE drainage valve
230–240 V
50 Hz
2.45 kΩ
Seite 19 von 53

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