Trane CGAM Installation & Operation Manual page 105

Air-cooled scroll chillers 20 - 130tons
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Controls Interface
Table 51. Feature Settings
Description
Power-Up Start Delay:
Cool Low Ambient Lockout:
Cool Low Ambient Lockout Stpt: + or - XXX.X
Water Pump Off Delay:
Ice Building:
PHR Fan Control:
Local Time of Day Schedule
External/BAS
Chilled Water Reset
Table 52. External/BAS Feature Settings (subscreen of
Feature Settings)
Description
Ext Chilled Setpt:
Ext Demand Limit Setpoint:
Max Capacity Debounce Time: 30 seconds
Limit Annunc Debounce Time: 30 seconds
LCI-C Diag Encoding:
LCI-C Diag Language:
Table 53. ChilledWater Reset Feature Settings (subscreen
of Feature Settings)
Resolution or
(Enumerations
Description
), Default
(Const Return,
Chilled Water Reset:
Outdoor, Return,
Disable), Disable
Return Reset Ratio:
XXX
Return Start Reset:
XXX.X
Return Maximum Reset:
XXX.X
Outdoor Reset Ratio:
XXX
Outdoor Start Reset:
XXX.X
Outdoor Maximum Reset: XXX.X
CG-SVX17E-EN
Resolution or
(Enumerations),
Default
Units
Seconds
10 seconds
(MM:SS)
(Enable, Disable),
Enum
Enable
Temperature
Minutes
1 minute
(HH:MM)
(Enable, Disable),
Enum
Disable
(Enable, Disable),
Enum
Disable
Subscreen (see
below)
Subscreen (see
below)
Subscreen (see
below)
Resolution or
(Enumerations
), Default
Units
(Enable, Disable),
Enum
Disable
(Enable, Disable),
Enum
Disable
Seconds (MM:SS)
Seconds (MM:SS)
(Text, Code) Text
Enum
(English, Selection
2, Selection 3)
Enum
English (0)
Units
Enum
Percent
Temperature
Temperature
Percent
Temperature
Temperature
Table 54. Control Settings
Description
Cooling Design Delta Temp:
Heating Design Delta Temp:
Differential to Start:
Differential to Stop:
Staging Deadband Adjustment:
Capacity Control Softload Time:
Circuit Staging Option:
Compressor Staging Option:
Leaving Water Temp Cutout:
Low Refrigerant Temp Cutout:
Evap Flow Overdue Wait Time:
Disch Press Limit Setpt:
Disch Press Limit Unload Setpt:
Table 55. System Manual Control Settings
Resolution or
(Enumerations)
Description
, Default
Evap Water
(Auto, On), Auto
Pump
Clear Restart
(Clear Timer)
Inhibit Timer
Capacity
(Auto, Manual)
Control
Auto
Binding
Special
Table 56. Circuit Manual Control Settings
Resolution or
(Enumerations),
Description
Default
(Not Locked Out,
Front Panel Ckt Lockout
Locked Out), Not
Locked Out
(Not Locked Out,
Cprsr A Lockout
Locked Out), Not
Locked Out
(Not Locked Out,
Cprsr B Lockout
Locked Out), Not
Locked Out
Resolution or
(Enumeration
s), Default
Units
Delta
XXX.X
Temperature
Delta
XXX.X
Temperature
Delta
XXX.X
Temperature
Delta
XXX.X
Temperature
Delta
XXX.X
Temperature
Seconds
120 seconds
(MM:SS)
(Bal Starts/Hrs,
Circuit 1 Lead,
Enum
Circuit 2 Lead),
Bal Starts/Hrs
(Fixed, Bal
Enum
Starts/Hrs)
XX.X
Temperature
XX.X
Temperature
Seconds
30 seconds
(MM:SS)
85%
Percent
97%
Percent
Units
Monitor Value
1) Evap Flow status
Enum
2) Override Time
Remaining
1) Restart Inhibit
Time (composite
value)
Enum
Special
None
Monitor
Units
Value
Enum
Enum
Enum
105

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