Carrier 30GN040-420 Subfunction Keypad Entry Display Comment SET Points, Reset SET Points

Table 9 Ð 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 DT at No Reset (F)
		CRT3F X	Chiller Fluid DT at Full Reset (F)
		CRT3D X	Total Degrees of Reset (F)
3 DEMAND SET POINTS		DEMAND	Demand Set Points
		DLS1 X²	Demand Switch 1 Set Point (percent)
		DLS2 X²	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	Day 1 = 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		LMT X	Leaving Chiller Fluid Alert Limit (F)
FLUID ALERT LIMIT

LEGEND

CCN Ð Carrier Comfort Network

EXV Ð Electronic Expansion Valve

MOP Ð Maximum Operating Pressure

*Will read ALARM or ALERT as appropriate. ²Must be con®gured.

**If applicable.

²²Not manually resettable.

NOTE: If metric option is selected under , temperature expressed as Celsius and pressure will be expressed as kPa.

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