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Operation: Options for Fluid-Cooled Modules
12 NetworkAIR IR Operation, Maintenance, and Troubleshooting
Coil Fluid Temp Activation Threshold and Deadband
Path: Main > Setup > System # > System Config > Coil Fluid Options
The selections for Coil Fluid Options help control the optional MultiCool coil or Economizer coil in
equipped Systems. Set the temperature threshold and deadband for using the MultiCool coil or the
Economizer coil. The System will compare the actual coolant temperature with the setpoint and
deadband to determine if the coolant is at a temperature low enough to operate the coils.
Coil Fluid Temp Activation: Threshold. Set the coil fluid temperature activation threshold. The
coolant temperature must be below the threshold to use the optional MultiCool coil or Economizer
coil.
Coil Fluid Temp Activation: Deadband. Set the MultiCool or Economizer activation deadband.
The deadband is the sensitivity range above the coil fluid temperature activation: threshold that
determines when the controller will stop using the MultiCool coil or Economizer coil and when it
will reengage the coil. For example, if the threshold is 50° F (10° C) and the deadband is
4° F (2.2° C), the controller will disengage the MultiCool coil or Economizer coil when the coolant
temperature exceeds 54° F (12.2° C),and will not reengage the coil until the coolant temperature
reaches 50° F (10° C).
Note
The Coil Fluid Temp Activation threshold and deadband do not apply to Modules
that use only a chilled water coil for cooling.