4.2 Description of
Parameters
4.2.1 Main Functions
In order to start and stop the compressor the Main Switch can be set to ON or OFF .
OEMs making an interface with custom design electronics via Modbus must be able to control the
CCU ON / OFF via the Main Switch.
ON: All functions are active.
OFF: Allmainfunctionsareinactive,however
• Batterymonitoringactive
• NTCtemperaturesensormonitoringactive
• Auxiliarytemperaturesensormonitoringactive
• PCBinvertertemperaturemonitoringactive
4.2.2 Battery protection
The battery protection serves to avoid permanent damage to the battery by discharge.
The setting range is from 19 to 27 V DC.
Critical stop without delay if voltage drops below 17 V DC or exceeds 31.5 V DC
Tolerances are ± 0.30 V DC
Name Default Max value Min value Step Unit
Main switch OFF ON OFF 1 -
Settings:
Settings
Name Default Max value Min value Step Unit
Battery cutout level 21.3 27 19 0.1 Volt
Battery cutin diff. 3.9 10 0.5 0.1 Volt
Cutout delay 3 60 0 1 Seconds