Burkert Type 8660 - Manual (Page 4)

Type 8660 Control Center
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1. Features and Application Possibilities (Overview)
The Control Center is a fully-featured, easy to use, microprocessor-based control
unit. Especially designed for the heating and air conditioning of commercial
passenger buses, it enables an economical control of the temperature and air flow for
the driver and, to a lesser extent, also for the passengers. It has the installation
format of an auto radio.
The unit is easy to operate, using keys and three rotatable knobs (rotary switch,
rotary potentiometer). Different operational conditions of the heating and cooling
system of the passenger bus are shown using a display (digital) and light-emitting
diodes (LED).
The Control Center is offered in three variations, which are differentiated by the
extensiveness of the controllable capabilities.
Control Center 3 offers the largest range of capability, and is characterized by the
following features:
- Outputs for the activation of the front box flaps as well as for the control of a front
box valve (driver's area heater), a front box blower, a fresh air / circulation air flap, a
cooling unit, a unit in the passenger area roof (for example, blower), a unit in the
passenger area floor (for example, heater), a supplementary heater, and a
supplementary water pump.
- Real-time clock and programmable time-switch for the supplementary heater.
- Display of the operational condition of the supplementary heater, the cooling unit
and the unit in the passenger area roof and floor by means of light-emitting diodes,
or on the display.
- System check and error message.
Control Center 2 does not have an output for the control of a cooling unit. Control
Center 1 does not offer control of the cooling unit, the supplementary heater and the
unit in the passenger area roof, or the real-time clock and the time-switch.
With Control Center 1, the unit in the passenger area floor can only be switched on or
off. Control Center 2 and 3 offer two switch levels (for example, two heat levels).