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21NetworkAIR FM DX 60 Hz Operation, Maintenance, and Troubleshooting
Settings for fluid-cooled options
Modules using the Economizer or MultiCool options have several settings that must be defined. To
accommodate the heat of the rejection method, the valve and piping settings must be configured.
The following table lists the settings that apply to each type of fluid-cooled option. Refer to the rest of
this section for detailed descriptions of each setting:
Fluid-Coil Type Applicable Settings
MultiCool • Reject Method
• Coil Cfg (System Configuration)
• Coil Fluid Valve
• Coil Fluid Valve Actuator
• Cndsr Vlv (Water and Glycol only)
• Condenser Valve Actuator (Water and Glycol only)
• Coil Fluid Temp Activation
• Threshold
• Deadband
Economizer • Rej Method (System Configuration)
• Coil Cfg (System Configuration)
• Condenser Valve
• Condenser Valve Actuator (always floating control)
• Coil Fluid Valve (always 3-way)
• Coil Fluid Valve Actuator
• Coil Fluid Temp Activation
• Threshold
• Deadband
• Econ Isolator Valve (optional)
• Econ Isolator Valve Delay: Open (optional)
• Econ Isolator Valve Delay: Closed (optional)
• Set an output relay to Econ Isolator (optional)