Zanussi CF98 Manuel d'utilisateur télécharger pdf (Page 12)

TSE-P 02.01 LF 12/35 599 34 60-32

4 OPERATION OF THE WASH / DRAIN MOTOR

4.1 WASH MOTOR

CHARACTERISTICS

This dishwasher is fitted with a single-phase variable-speed asynchronous motor.

 A tachimetric sensor, fitted to the interior of the motor, constantly monitors the speed of the motor,

which is transmitted to the electronic control system.

MEASURING THE SPEED OF THE MOTOR

The operation of the motor during the washing cycle is controlled by the electronic control system,

which operates the motor at different speeds (fixed or variable).

 The signal sent by the tachimetric sensor to the electronic control system (microprocessor) detects

the speed of the motor; the microprocessor performs a series of calculations and switches on the

Triac which generates the appropriate speed.

 The following motor speeds are used during the washing cycle:

Fixed speed Variable speed

1600rpm

1600 = 2800rpm

2300rpm

2800rpm

TECHNICAL CHARACTERISTICS:

- Power supply: 220/230V, 50Hz

- Speed: 2800 rpm

- Power absorption: 168 W

- Capacitor: 4µF

- Direction of rotation: Anti-clockwise

- Head 200 cm

4.2 WASH / DRAIN FUNCTION

The WASH and DRAIN functions are controlled by the electronic control board, which powers the two

motors alternately by means of a switching relay fitted to the control board.

The motor's electrical circuit is controlled by:

 The triac (TY1), which powers the two windings and

determines the speed of rotation of the motor.

 Relay R1, which switches the power from one motor

winding to the other.

The switching procedure is as follows:

 WASH motor: relay not powered

 DRAIN motor relay powered

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Zanussi CF98 Manuel d'utilisateur Page 12