Omron CJ2 User Manual page 158

5 Installation
Forced Air Circulation (by Fan in Closed Panel)
Fan
PLC
PLC
Forced Air Circulation
Room Cooling (Cooling the Entire Room Where the Control Panel Is Located)
Low Temperatures
The PLC will not start normally if the temperature is below 0°C when the power is turned ON. Maintain
an air temperature of at least approximately 5°C inside the panel, by implementing measures such as
installing a low-capacity space heater in the panel. Alternatively, leave the PLC power ON to keep the
PLC warm.
5-40
Cooler
Control panel
Room Cooling
CJ2 CPU Unit Hardware User's Manual