Carrier 30GK manual Description of the Information menu

4.5.1 - Description of the Information menu

INFORMATION MENU [3]

ITEM	FORMAT	UNITS	DESCRIPTION
0			Automatic display mode. It cycles through the following displays:
	±nn.n	°C	1:	Controlled water temperature: temperature of the water that the unit tries to maintain at the control point.
			2:	Unit operating type
	LOFF	-		Local Off
	L-On	-		Local On
	L-Sc	-		Local On - based on unit clock.
	CCn	-		CCN Control.
	rEM	-		Remote Control
	MASt	-		Master unit
			3:	Unit status
	OFF	-		Off: Unit is stopped and not authorised to start.
	rEADY	-		Ready: Unit is authorised to start
	dELAY	-		Delay: Unit is in delay at start-up. This delay is active after the unit has been switched on. The delay can be
				configured in the User Configuration menu.
	StOPPing	-		Stopping: Unit is currently stopping.
	running	-		On: Unit is running or authorised to start.
	triPout	-		Fault shutdown.
	OvErridE	-		Limit: The operating conditions do not allow total unit operation.
			4.	Unit occupied/unoccupied status
	OCCUPIEd	-		Occupied: Unit in occupied mode
	UNOCCUPIEd -			Unoccupied: Unit in unoccupied mode
			5.	Heating/cooling operating mode
	COOL	-		Cooling: Unit operates in cooling mode
	HEAT	-		Heating: Unit operates in heating mode
	rECLAIM	-		Cooling: Unit is in auto cooling and heat reclaim demand is active
			6.	Alarm mode
	ALArM	-		Alarm: Unit is totally stopped because of failure.
	ALErt	-		Alert: Unit is in failure but not completely stopped.
			7.	Master/Slave status
	MAStEr	-		Master: The master/slave control is active and the unit is the master
	SLAvE	-		Slave: The master/slave control is active and the unit is the slave
1 [1]	nn	-	Active mode codes. Each active mode is displayed in turn. This Item is masked when nil. Pressing the enter button when a mode code
			is displayed causes a character text expansion to be scrolled accross the four-digit display. See the description in the following table
2 [2]		-	This item indicates the current chiller occupied/unoccupied mode.
	occu		Occupied
	unoc		Unoccupied
	Forc		The value is displayed in turn with 'Forc' when the unit is in CCN control and if this variable if forced through CCN.
3	nn.n	minutes	Start-up delay. This item indicates the minutes left before the unit can be started. This delay at start-up is always active after the unit
			has been switched on. The delay can be configured in the User Configuration 1 menu.
4 [2]		-	Heating/cooling on selection: This item is accessible in read/write, if the unit is in local control mode. It is only displayed, if the unit is
			in LOFF, L-On or L-Sc operating type. Displayed for heat pumps.
	HEAt	-	Heating mode selection
	COOL	-	Cooling mode selection
5 [2]			Heat reclaim mode selection: This item is accessible in read/write, if the unit is in local control mode. It is only displayed, if the unit is
			in LOFF, L-On or L-Sc operating type. Displayed for air-cooled or water-cooled units with a condenser water valve.
	YES	-	Heat reclaim mode selection, use of heat reclaim condensing setpoint.
	NO	-	Normal cooling mode selection, use of standard condensing setpoint
6	Nnn	%	Total active capacity of unit.
7	nnn	%	Total active capacity of circuit A.
8 [2]	nnn	%	Total active capacity of circuit B.
9 [2]	nnn		Present demand limit. This is the authorised operating capacity of the unit. See section 5.8.
	Forc	%	The value is displayed in turn with 'Forc' when the unit is in CCN control and if this variable if forced through CCN.
10	nnn	%	Present lag chiller demand limit. Displayed when the master/slave control is selected.
11 [2]		-	Setpoint select in local mode. This point is read/write accessible. Displayed only when the unit is LOFF, L-On or L-Sc operating type.
	SP-1		SP-1 = cooling setpoint 1
	SP-2		SP-2 = cooling setpoint 2
	AUtO		AUtO = active setpoint depends on schedule 2 (setpoint selection schedule). See section 5.7.1 & 4.5.7.6.
12 [2]		-	Setpoint occupied mode.
	occu		Occupied: cooling setpoint 1 is active
	unoc		Unoccupied: cooling setpoint 2 is active
	Forc		The value shall be displayed in turn with 'Forc' when the unit is in CCN control and if this variable if forced through CCN.
13	±nn.n	°C	Active setpoint. This is the current cooling/heating setpoint: it refers to cooling/heating setpoint 1 or 2.
14	±nn.n		Control point. This is the setpoint used by the controller to adjust the temperature of the leaving or entering water (according to
	Forc	°C	configuration).
			Control point = active setpoint + reset. See section 5.7
			The value is displayed in turn with 'Forc' when the unit is in CCN control and if this variable if forced through CCN.
15	±nn.n	°C	Controlled water temperature. Water temperature that the unit tries to maintain at the control point.
16	±nn.n	°C	Condensing setpoint. The value is displayed in turn with 'Forc' if the unit is in CCN mode and this parameter is forced by CCN.
	Forc	°C
17	n		Heat reclaim function indicator, circuit A (see heat reclaim section)
18	n		Heat reclaim function indicator, circuit B (see heat reclaim section)

Legend

1This item is masked when nil.

2This item is displayed in certain unit configurations only.

3Access to this menu is read-only except for item 10 that can be forced when the unit is in Local operating type.

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