5 Installation
5-40
CJ2 CPU Unit Hardware User’s Manual
z Forced Air Circulation (by Fan in Closed Panel)
z Room Cooling (Cooling the Entire Room Where the Control Panel Is Located)
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.
Low Temperatures
Fan
PLC
PLC
Forced Air Circulation
Room Cooling
Cooler
Control panel
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