Bosch WTA34 Series Petunjuk Perbaikan - Halaman 3

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TUMBLE DRYER

Operating and display module is situated in the fascia.

Control and power module is situated on the right frame support.

Thermistor sensor for measuring the air temperature.

Condensation pump is situated in the base group underneath the belt tensioning device.

Motor is situated on the right in the base group.

Heater on the rear panel – under the heating duct cover.

Bimetallic thermal cut-out (>170 C) is situated directly on the heater.

1.1

Operating and display module

The operating and display module is used to input and output information. It houses all the

direct input buttons, all signalling elements, e.g. LEDs, selector switches and signal

transmitters. Models are encoded by breaking off the side bridges.

1.2

Control and power module

The module houses all the significant components, e.g. micro-controller, relays, power

supply, etc. It performs complex functions with respect to controlling drying sequences,

monitoring the temperature, ascertaining parameters and actuating the operating and

display section. The appliance is switched over from 16 A to 10 A by means of a wire jumper.

Wire jumper closed 16 A – Wire jumper open 10 A. Control and power module

(software version is indicated on the processor) changes automatically from 16 A to 10 A.

1.3

Thermistor sensor for measuring the air temperature

Thermistor sensors measure the temperature of the process air at three different points in

the appliance (NTC thermistor – NTC stands for Negative Temperature Coefficient).

NTC R3

is situated in the ring insert under the door and measures the exhaust-air temperature.

NTC R4

is situated in the air current in front of the heater.

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