Valeo SC400 - Compressor Control; Heating Mode

BUS BODY ELECTRONICS
8
Different blower level than level 1 is only possible when T_duct >33 °C
Gebläsestufe
Temperaturdifferenz
Level 1: T_Duct <35 K
Stufe 1 → 2: T_Room – T_Desired
>-1 K
Stufe 2 → 3: T_Room – T_Desired
>-3 K
Stufe 3 → 2: T_Room – T_Desired
<-2 K
Stufe 2 → 1: T_Room – T_Desired
< 0 K
Table 2 - SC410 temperature difference and blower level in heating mode
2.3 Turning 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 when status light is on.
➔ Air-conditioning compressor is deactivated. The cooling
function is turned off (Figure 6).
Note
After starting the ignition, the axial fans first run for 10
seconds before the air-conditioning compressor acti-
vates, if needed – the status light lights up after starting.
nothing.
Figure 6 - SC410 air-conditioning
compressor deactivated