Operator interface – American Standard CH530 User Manual
Page 44

CDHF-SVU01C-EN
44
Operator
Interface
Chiller
Description
Resolution or (Enumerations), Default
Units
1. Front Panel Control Type
(Chilled Water, Hot Water), Chilled Water
Enum
2. Front Panel Chilled Water Setpt
(3)
+ or – XXX.X
Temperature
3. Front Panel Hot Water Setpt
(3)
+ or – XXX.X
Temperature
4. Front Panel Current Limit Setpt
XXX (4)
Percent RLA
5. Front Panel Base Load Cmd
On/Auto
enum
6. Front Panel Base Load Setpt
XXX
Percent
7. Front Panel Ice Build Cmd
On/Auto
Enum
8. Front Panel Ice Termn Setpt
XXX.X
Temperature
9. Ice to Normal Cool Timer Setpt
(0-10), 5 min
Minutes
10. Differential to Start
XXX.X
Temperature
11. Differential to Stop
XXX.X
Temperature
12. Setpoint Source
*(BAS/Ext/FP, Ext/ Front Panel, Front Panel),
BAS/Ext/FP Default
Enum
*Follows hierarchy of selection from left to right (except for ice building which is “OR” logic).
Feature Settings
Description
Resolution or (Enumerations), Default
Units
1. Chilled Water Reset
(Constant, Outdoor, Return, Disable), Disable
Enum
2. Return Reset Ratio
XXX
Percent
3. Return Start Reset
XXX.X
Temperature
4. Return Maximum Reset
XXX.X
Temperature
5. Outdoor Reset Ratio
XXX
Percent
6. Outdoor Start Reset
XXX.X
Temperature
7. Outdoor Maximum Reset
XXX.X
Temperature
8. Ext Chilled Water Setpoint
(Enable, Disable), Disable
Enum
9. Ext Current Limit Setpoint
(Enable, Disable), Disable
Enum
10. Ice Building Feature Enable
(Enable, Disable), Disable
Enum
11. Ext Base Loading Setpoint
(Enable, Disable), Disable
Enum