BUS BODY ELECTRONICS Contents Contents List of Figures List of Tables Introduction Intended purpose Symbols used Description of the dashboard Description of the display screen Overview of modes Operation Switching on/off 2.1.1 Switching on 2.1.2 Switching off Auto mode 2.2.1 Activation 2.2.2 Deactivation...
BUS BODY ELECTRONICS 1 Introduction 1.1 Intended purpose The SC600 is a system for controlling HVAC components (heating, ventilation, air conditioning) in buses as well as rooftop air conditioning units, heaters etc. It consists of an operating element integrated into the dashboard (control device as human- machine interface) and a rooftop air conditioning unit or floor heating.
BUS BODY ELECTRONICS 1.3 Description of the dashboard The dashboard components are depicted and explained in the following graphic. Fig. 1 - SC600 dashboard 1. Display 5. Function status light 2. On/off button 6. Blower button 3. Scroll UP menu key 7.
BUS BODY ELECTRONICS 1.5 Overview of modes The SC600 contains 2 different modes – the operating mode and the fault mode. SC600 Fault readout Operating mode: mode Includes all of the Mode for displaying functions and notes summarised under all of the occurring faults and their fre- point 2 except for quency of occur-...
BUS BODY ELECTRONICS 2 Operation 2.1 Switching on/off 2.1.1 Switching on Press button ➔ The temperature that was last set is now set; auto mode on (Fig. 4) Fig. 4 - SC600 Start display Note Switching on system takes place only when the ignition is switched on.
BUS BODY ELECTRONICS Note When auto mode is deactivated, the A/C compressor and heater will switch off (the former after a max. after-run period of 90 secs). The blower is automatically adjusted if the blower level is not set automatically. Fig.
BUS BODY ELECTRONICS 2.4 Fresh air/circulation function Press button ➔ System switches on fresh air/circulation for 10 minutes (i.e., if the fresh air function is currently ac- tive, the system switches to the circulation function and vice versa). ➔ After operating for 10 minutes, the system switches the function that best supports reaching the desired temperature.
BUS BODY ELECTRONICS 2.7 Faults Note When active faults are present, the function symbol in the display flashes (Fig. 13). The warning symbol is not displayed for inactive/saved faults. In order to view inactive faults, it is necessary to switch to fault readout mode. Fig.