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Les langues disponibles
2.
GENERAL DESCRIPTION
The rooftop air conditioning system is designed for the cooling / air conditioning and heating (comfort
version only) of city buses.
The rooftop air conditioning system is available as master- and as slave-version. With the master unit come
all the documents required for installation and all components necessary for operation such as the control
device, control panel cables (2), the control panel (3) and the temperature sensors.
Exactly one master unit has always to be mounted per vehicle. The preferred position for the control panel
is the driver's area, and dependent on that, the foremost the preferred position for the master unit (1).
The master unit can provide up to five slave units (5) with operation signals. Each slave unit therefore
comprises an adapter cable (6), which connects the unit located before it.
The electrical supply of the units is done from the vehicle's power supply via the cables (4, not included in
the scope of delivery). The units are laid out for 24 V operating voltage.
The units are prefilled with refrigerant (R134a) and need only be connected to the on-board power supply
when installed.
1
3
5
5
6
2
4
Fig. 2.1
Rooftop Air Conditioning System Citysphere
6
4
4
1 Master unit
2 Cable, control panel
3 Control panel
4 Cable, electrical supply
5 Slave unit
6 Adapter cable
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