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6 NetworkAIR IR Operation, Maintenance, and Troubleshooting
Set Up System Configuration
The System configuration options are set at the factory and may be modified during the
commissioning of the Modules in the System.
System Options
Path: Main > Setup > System # > System Config > System Options
The System Options menu contains settings that identify the hardware installed in this System and
the methods used to control that hardware.
Mains In. Indicate the primary operating voltage required for this System. The configuration is
based on the voltage of the electrical components in the System, and is printed on the nameplate
attached to the door on the left side of the electrical box.
UPS In. Indicate the operating voltage rating for the back-up power supply. The configuration is
based on the voltage of the electrical components in the System, and is printed on the nameplate
attached to the door on the left side of the electrical box.
Coil Cfg. Indicate the coil configuration installed in the Modules of this System. Available coil
configurations include:
• Chilled liquid only — Chilled water coil only
• DX — Direct expansion (DX) coil
• Econ — Economizer and DX coils
• MultiCool — MultiCool (chilled water) and DX coils
Humid Ctrl. Indicate the humidity control method. The System can control the humidity based on
the following:
• Relative humidity (RH) of the return air.
• Dew point (DewPt) of the return air. The dew point method corrects for hotspots near the
environmental sensors.
Changing the settings incorrectly can cause serious malfunctions and damage to your
System. Only qualified service personnel should make changes to these settings.
Note
Not all the System configuration settings apply to the NetworkAIR IR In-row Precision
Air Conditioner.
Note
The System will always use the dew point method, regardless of this setting:
• When using the remote sensor readings to control the room environment
• When the System is part of a redundant Group.