Webasto Air Top 2000 S D Manual de servicio descargar pdf (Pagina 11)

Air Top 2000 ST General description

201

2 General description

The Air Top 2000 ST air heaters are based on the evaporator

principle and essentially consist of the following

– The drive unit with a combustion and hot air blower

– The heat exchanger

– The burner insert with combustion chamber

– The control unit

Fig. 201 Air Top 2000 ST air heater

To control and monitor it, the heater has the following

components inside it:

– a control unit with temperature sensor

– a flame monitor (only petrol heater)

– a glow plug

– an overheating sensor

All Air Top 2000 ST heaters can also be controlled using an

external temperature sensor.

The fuel supply is provided from an external source using a

metering pump.

If a fault occurs, an error code will be output in the display

of the combination or standard timer. If the heater has a

control element, the ON control light will flash. In addition

the heater can be checked using a personal computer (see

PC heater diagnostic operating manual).

Fig. 202 Air Top 2000 ST air heater without casing

2.1 Drive unit

The drive unit consists of the drive motor, the combustion

air blower, the heat air blower and the intake casing.

The combustion air blower supplies the air required for the

combustion process from the combustion air inlet to the

burner insert.

The removable hot air blower transports the hot air from the

hot air inlet via the heat exchanger to the hot air outlet.

Fig. 203 Drive unit

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 69 70

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Webasto Air Top 2000 S D Manual de servicio Pagina 11