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BUS BODY ELECTRONICS

 

 

 

2  Use 

2.1  Activate/deactivate Standby 

2.1.1  Standby 

If the motor (KL 61) is running, the system is in Standby mode. 

The status light for the On/Off button lights up red (Figure 3). 

2.1.2  Activation 

 Press 

 button 

  The status light for the On/Off button goes out, the preset 

temperature (22.0 °C when first initiating the power supply, 
thereafter the last set value) displays, Auto mode is acti-
vated and the automatically set blower level displays. (Fi-
gure 4)  
 

 

 

2.1.3  Deactivation 

Press 

 button 

  Compressor  and  blowers  are  deactivated  immediately 

(turning off the motor has the same effect) 

If the motor is running, the device returns to Standby mode, the status light of the On/Off button 
lights up red. (Figure 3)

 

 

Note 

If the current room temperature is below the set desired 

room  temperature,  the  device  automatically  begins  to 

heat (SC410 only). 

Figure 4 - SC410 example start display 
after activation

 

Figure 3 - SC410 Standby

 

Summary of Contents for SC400

Page 1: ...Rev 23 11 2018 Id No DOK30404 BUS BODY ELECTRONICS SC400 410 T RKEI Operating Instructions Busdriver...

Page 2: ...ctivate Standby 6 2 1 1 Standby 6 2 1 2 Activation 6 2 1 3 Deactivation 6 2 2 Auto mode 7 2 2 1 Activation 7 2 3 Turning air conditioning compressor on off 8 2 3 1 Deactivation 8 2 3 2 Activation 9 2...

Page 3: ...ture 10 Figure 10 SC410 blower level from lower to medium speed 11 Figure 11 SC410 blower level at high speed 11 Figure 12 SC410 blower level at low speed 11 Figure 13 SC410 recirculating air function...

Page 4: ...sic version the control element allows the driver to control the roof top air conditioning system that has air conditioning functions The standard version also has an optional heating function and can...

Page 5: ...ure and for error codes 2 Status light Indicates whether a function is active red sta tus light function active 3 On off button On off button of the control panel 4 Auto button Turns on automatic mode...

Page 6: ...AC button Turns air conditioning system on off 6 Blower level button Manually sets the blower level 7 Status display of blower level Displays the current blower level 8 Desired room temperature butto...

Page 7: ...last set value displays Auto mode is acti vated and the automatically set blower level displays Fi gure 4 2 1 3 Deactivation Press button Compressor and blowers are deactivated immediately turning of...

Page 8: ...esired 1 K Level 1 2 T_Room T_Desired 1 K Level 2 3 T_Room T_Desired 3 K Level 3 2 T_Room T_Desired 2 K Level 2 1 T_Room T_Desired 0 K Table 1 SC400 410 temperature difference and blower level in cool...

Page 9: ...ng air conditioning compressor on off Compressor Temperature Difference On T_Room T_Desired 2 K Off T_Room T_Desired 1 K Table 3 SC410 Temperature Difference Compressor 2 3 1 Deactivation Press button...

Page 10: ...g compressor must be deactivated for at least 2 minutes before it can be turned on again If the AC button is pressed during this time the device reac tivates the air conditioning compressor after 2 mi...

Page 11: ...oom temperature Press button Desired temperature 0 5 C Press button Desired temperature 0 5 C Note The temperature can be set between 17 C to 28 C in 0 5 C intervals Figure 9 SC410 changing the temper...

Page 12: ...11 Pressing again Blower goes up one level Here from high back down to slow speed Figure 12 Note If the blower level is changed manually Auto mode turns off The desired value of the room temperature i...

Page 13: ...ng air but tons does not light up the fresh air recirculating air func tion is not active The fresh air valves are open Figure 14 Note If the air conditioning compressor is active the fresh air recirc...

Page 14: ...LED illuminates when additional component is switched on if an additional component is present Figure 15 The button controls output 7 to which the additional compo nent is connected The functions run...

Page 15: ...valve F01 Power supply relays board Power supply 10V 16V Supply voltage on relay boards too high or too low Inspect wiring harness Replace ECU F02 Power supply type control panel No 12V system recogn...

Page 16: ...Environmental temperature sensor SC410 only Short circuit to positive Inspect wiring harness Replace sensor Replace ECU F07 Environmental temperature sensor SC410 only Short circuit to ground Inspect...

Page 17: ...Valeo Thermal Commercial Vehicles Germany GmbH Postfach 1371 82198 Gilching Germany Tel 49 0 8105 7721 0 Fax 49 0 8105 7721 889 www valeo thermalbus com service valeobus valeo com...

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