95
RTAA-IOM-3
Figure 52
Menu Formats (Continued)
AUXILIARY OPTIONS – MENU 3
Selected by setting the number 3 in the “P” menu number position. Compressor/circuit indicators will not be lit continuously
in this menu to indicate which compressors/circuits are running.
UCM Based Setpoint
Display Code and Description Defaults Range
P Menu Number
30 External Chilled Water Setpoint - d/E d
31 External Current Limit Setpoint - d/E d
32 Ice Machine Control - d/E d
33 Active-Ice Termination Setpoint*
34 Front Panel Ice Termination Setpoint 27 F 20 to 31 F
35 Return Reset - d/E** d
36 Zone Reset - d/E** d
37 Outdoor Reset - d/E** d
38 Reset Ratio Setpoint***
Return 50% 10 to 120%
Zone 100% 50 to 300%
Outdoor 10% -80 to 80%
39 Start Reset Setpoint***
Return 10 F 4 to 30 F
Zone 78 F 55 to 85 F
Outdoor 90 F 50 to 130 F
3A Maximum Reset Setpoint***
Return 5 F 0 to 20 F
Zone 5 F 0 to 20 F
Outdoor 5 F 0 to 20 F
3b External Circuit Lockout d/E d
*Dashes are displayed for the setpoint when the chiller is not in the “Ice Building” or “Ice Building Complete” mode.
**The UCM will permit only one type of reset (Return, Zone, or Outdoor) to be selected at one time. For example, if Return
Reset is enabled, an attempt to enable Zone Reset would disable RETURN RESET and enable Zone Reset automatically.
***The UCM contains setpoints for each of the types of reset. The setpoint displayed will be for the type of reset enabled.
If no reset is enabled, dashes will be displayed.
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