Operating Instructions 6-6
SMART REEFER 2/3 Multi-Temp (SR-2/SR-3 MT) Control System
The microprocessor control system components are located inside the control box, which is located inside
the lower roadside service door. The microprocessor is connected to an HMI (Human Machine Interface)
Control Panel, which is used to operate the unit. (The CargoWatch and Printer ports are used to retrieve
data from the data logging system.)
Microprocessor On/Off Switch
This switch supplies or removes electrical power to the microprocessor. It is located on the left side of the control box.
Control Box with Service Door Open (SLX/SLXe/SLXi
Spectrum)
1. Control Box
2. Micro-Processor On/Off Switch
3. Port Printer
4. Cargowatch Port
5. HMI Control Panel
6. USB Port