Omron NJ501-1400 User Manual page 170

4 Installation and Wiring
 Forced Air Circulation (by Fan in Closed Panel)
Fan
Controller
Controller
Forced Air Circulation
 Room Cooling (Cooling the Entire Room Where the Control Panel Is Located)
Low Temperatures
The Controller may 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 Controller power ON
to keep the Controller warm.
4-50
Cooler
Control panel
Room Cooling
NJ-series CPU Unit Hardware User's Manual (W500)