Carrier 30GN040-420 Refrigerator User Manual


 
Table 9 Keypad Directory (cont)
SET POINT
To read a set point, go to proper subfunction and read desired set point. To change a set point, enter new set point value, then press .
LOCAL/ENABLE-STOP-CCN switch must be in LOCAL/ENABLE or STOP position.
SUBFUNCTION KEYPAD ENTRY DISPLAY COMMENT
1 SET POINTS
SET POINT Unit Set Point
CSP1 X Chiller Fluid Set Point 1 (F)
CSP2 X Chiller Fluid Set Point 2 (F)
HSPA X Head Pressure Set Point Circuit A (F)
HSPB X Head Pressure Set Point Circuit B (F)
CRAMP X Cooling Ramp Loading Rate (F)
2 RESET SET POINTS
RESET Reset Set Points
CRT1 X Cooling reset at 20 mA (F)
CRT2N X Reference Temperature at No Reset (F)
CRT2F X Reference Temperature at Full Reset (F)
CRT2D X Total Degrees of Reset (F)
CRT3N X Chiller Fluid T at No Reset (F)
CRT3F X Chiller Fluid T at Full Reset (F)
CRT3D X Total Degrees of Reset (F)
3 DEMAND SET POINTS
DEMAND Demand Set Points
DLS1 X† Demand Switch 1 Set Point (percent)
DLS2 X† Demand Switch 2 Set Point (percent)
DL20 X Demand Limit at 20 mA (percent)
DLGN X Loadshed Group Number
LSDD X Loadshed Demand (percent)
TIME X Minimum Loadshed Time (minutes)
4 DATE AND TIME
DATE.TIME Date, Time and Day of Week
DOW.HR.MIN Day1=Mon,2=Tues...7=Sun
Hours are displayed in 24-hr time. Decimal point serves as colon.
MM.DD.YR Month.Day.Year. When entering date, enter a decimal
point between entries. Each entry must be two numbers.
5 LEAVING CHILLER
FLUID ALERT LIMIT
LMT X Leaving Chiller Fluid Alert Limit (F)
LEGEND
CCN Carrier Comfort Network
EXV Electronic Expansion Valve
MOP Maximum Operating Pressure
*Will read ALARM or ALERT as appropriate.
†Must be configured.
**If applicable.
††Not manually resettable.
NOTE: If metric option is selected under , temperature
expressed as Celsius and pressure will be expressed as kPa.
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