Dryer Heater - Bosch WKD28350GB Repair Instructions

3.4

Dryer heater

3.4.1 Design
As the new heating duct contains 2x 920 W heating elements, the
drying process can be implemented in 2 stages with a total of 1840 W.
To reduce heat losses, the heating duct is thermally separated from
the fan by a seal.
RD1 CNM3
1
RD2 CNM1
2
RD1 THS/RD2
3
RD2 THS/RD1
4
815_58300000146136_ara_en_b.doc – 12.04.10
3.4.2 Resistance measurement:
Connections Resistance in ohm
1–2:
1–3:
1–4:
2–3:
2–4:
3–4:
3.4.3 Function
The temperature is controlled by an
Cottons/coloureds: 87 °C–90 °C
Easy care: 67 °C–70 °C
Safety temperature: 105 °C
In addition a resettable safety temperature controller monitors the
maximum permitted temperature. (150 °C)
During the warm spin cycle
actuated!
104–124
52–62
52–62
52–62
52–62
0
NTC at the inlet to the gasket.
error message!
(54 UpM) only one heating element is
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