3 Installation and Wiring
3 - 14
NA-series Programmable Terminal Hardware(-V1) User’s Manual (V125)
Forced Air Circulation (with Fan in Closed Panel)
Room Cooling (Cooling the Entire Room Where the Control Panel Is Located)
Rapid temperature changes can cause condensation to occur, resulting in malfunctioning due to
short-circuiting. When there is a possibility of this occurring, take measures against condensation, such
as leaving the NA Unit power ON at night or installing a heater in the control panel to keep it warmer.
3-5-2 Humidity
Forced Circulation
NA Unit
Room Cooling
Cooler
Control panel
NA Unit
Moisture absorber
Control panel
Heater
Examples of Measures against Condensation
NA Unit
Power ON
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