BUS BODY ELECTRONICS Contents List of figures List of Tables Introduction Intended Use Symbols used Description of the control panel Description of the control panel HVAC version Display description Usage Turn ON Turn OFF Driver’s workplace functions 2.3.1 Adjust Temperature 2.3.2 Adjust blower speed 2.3.3...
BUS BODY ELECTRONICS List of figures Figure 1 - SC1000 Control Panel Basic Version .............. 3 Figure 2 - SC1000 Control Panel HVAC Version ............. 4 Figure 3 - SC1000 Substation ................... 4 Figure 4 - SC1000 Control Panel Basic Version .............. 6 Figure 5 - SC1000 Control Panel HVAC Version .............
BUS BODY ELECTRONICS 1. Introduction 1.1 Intended Use The SC1000 is a device designed to control HVAC components (heating, ventilation, air -condi- tioning) for buses, e.g. roof-top air-conditioning systems, heaters etc. It comprises always of a control panel (control device with human-to-machine interface) which is integrated into the dashboard, and of one or more substations, which are controlled by means of the control panel.
BUS BODY ELECTRONICS Figure 2 - SC1000 Control Panel HVAC Version A substation is a control device with power outputs for the control of all the components inte- grated in the AC unit. Figure 3 - SC1000 Substation...
BUS BODY ELECTRONICS 1.3 Description of the control panel Figure 4 - SC1000 Control Panel Basic Version Driver’s seat Passenger compartment 7. Heater button 11. Temperature button 1. Fresh air / air recirculation button 8. Timer button heater 12.UP/DOWN button 2.
BUS BODY ELECTRONICS 1.4 Description of the control panel HVAC version Figure 5 - SC1000 Control Panel HVAC Version Driver’s seat Passenger Compartment 5. Fresh air / air recirculation Reheat (dehumidify) 1. Fresh air / air recirculation but- button (optional) button (optional) 6.
BUS BODY ELECTRONICS 1.5 Display description Figure 6 - SC1000 Display Screen A. Indicated value J. Heater is on B. Appears if the lowest adjustable room K. Fresh air flaps open temperature is reached C. Is indicated with the setpoint tempera- L.
BUS BODY ELECTRONICS 2. Usage 2.1 Turn ON ➔ Switch on the ignition. ➔ The control panel starts automatically. ➔ The current software version (1.0) and the current re- Figure 7 - SC1000 Release lease appear on the display (Fig.7). ➔...
BUS BODY ELECTRONICS 2.3.1.2 Heating Rotate the knob clockwise into the red area. 2.3.2 Adjust blower speed Note The blower can be set from 20 to 100 in steps of 10. 20 is the smallest blower speed, on level 100 the blower runs at full speed.
BUS BODY ELECTRONICS ➔ air flow against the wind screen Rotate knob clockwise into 4 o’clock position ➔ air flow against the wind screen. 2.3.3.2 Defrost function Rotate knob clockwise into 5 o’clock position ➔ air flow is directed against the wind screen. The water valve opens to generate heated air and the blower runs with maximum speed.
BUS BODY ELECTRONICS 2.4 Passenger compartment functions Note Air-conditioning system and heater are activated only in the AUTO mode! To use all modes in full, activate the AUTO mode after turning on the control panel and make sure that the doors are closed.
BUS BODY ELECTRONICS Press button. ➔ Temperature -1˚C. Note The temperature can be varied between the values 15°C and 28°C. 2.4.2.2 Display the current room or outside temperature Press button. ➔ “INT” and the current room temperature are shown on the display (Fig.12).
BUS BODY ELECTRONICS ➔ Blower speed level is increased. ➔ The current blower speed level can be read on the dis- play Press button. ➔ Blower speed level is decreased . ➔ The current blower speed level can be read on the dis- play.
BUS BODY ELECTRONICS 2.5 Preheating Note Programming, operating the heater and setting up the timer of the heater is the responsibility of the driver. He must ensure that at the start time the circumstances and the parking situation are suitable. For security reasons it is only possible to program the timer for the same and the next working day.
BUS BODY ELECTRONICS Set the week day (Mo, Tu, We, Th, Sa, Su) using the buttons. Press button to confirm the day. ➔ The default screen appears. 2.5.2 Activate heating (without start time delay) Press button (Fig 5. No 7.). ➔...
BUS BODY ELECTRONICS ➔ “00:00“ and “hour“ appear on the screen (Fig. 22). ➔ If the start time was already programmed before, it ap- pears instead of ”00:00“. ➔ The hour digits flash. Press button to increase number of hours. Figure 21 - SC1000 Hour Display Press button to decrease number of hours.
BUS BODY ELECTRONICS 2.6 Reheat (HVAC version only) Note The reheat mode can only be activated in the AUTO mode (when the engine is running) and at at least 8°C outside temperature. After 10 minutes the reheat mode is terminated automat- ically.
BUS BODY ELECTRONICS ➔ The count (Fig.27) shows the current frequency of oc- currence of the error. 2.7.2.2 Error messages Press buttons to scroll through error messages. Figure 26 - SC1000 Error read out 2.7.2.3 Terminate Press button (Fig.5, No.1) at the drivers’s seat until the standard screen appears. Note If it is a currently existing error, this is indicated by a dot between the third and fourth digit of the error code on the...
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BUS BODY ELECTRONICS Error message dis- Description Cause/remedy played Note: Further errors 1. Verify the substation is active can arise in conjunc- - Check plug connections tion with this error - Replace substations message. They are to - Replace control unit be ignored until error 10 is corrected.
BUS BODY ELECTRONICS Error message dis- Description Cause/remedy played Convector tempera- ture sensor – fault (rear) Convector tempera- ture sensor – fault (front) High-/Low pressure 1. Check whether B1 occurred, if this is the case ➔ The clutch will be see B1.
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