Heating and Air-conditionig Equipement manufacturer
Thermal comfort and air quality

Command and control regulation


| Control panels | Automatic control | Temperature system control | Electronic thermostat | ATC |


Automatic control

SNDC’s automatic control is suitable for operation in harsh environments on agricultural machinery, construction equipment and utility vehicles. Its features allow it to monitor and control the temperature in the cabin, the level of ventilation and fresh air renewal. It can be used in manual or automatic mode.

Display panel and functions

The display panel having a night Light and provides the following information:


Panel screen automatic control


- Temperature in the cab
- External temperature
- Ventilation level
- Recycling or fresh air
- Errors codes






12 V Model: Reference 273B75

24 V Model: Reference 273B76

Automatic controls features

 1. Reducing the temperature in the cabin

 2. Increasing the temperature in the cabin

 3. Temperature display (external or internal)

 4. Display of first ventilation speed

 5. Display of second ventilation speed

 6. Display of third ventilation speed

 7. Increasing ventilation

 8. Reducing ventilation

 9. Temperature probe in the cab

10. Conversion of the temperature display to °C or °F

11 External temperature display

12 Interior air recycling

13 Disconnection of air conditioning compressor

14 Automatic mode

Technical specifications

  • Panel dimensions: 55x88 mm
  • Inside depth: 45 mm
  • Electric connector: Molex 16 channels
  • power consumption: 18W
  • Electric fuse: 3A
  • Weight: 110g


All accessories, probes and actuators, adapted to each configuration are available as standard. The installation allows an outcrop of the interior trim, without exceeding in the cabin.


Options :

  • Heater valve 12 V: : Reference 370A65
  • Heater valve 24 V: Reference 370A68
  • Temperature sensors: Reference 273B77
  • External temperature sensors: Reference 273B78
  • Fresh air actuator12V:: Reference 262A08
  • fresh air actuator24V:: Reference 262A05