Carrier 39L specifications

CONTROL OPERATION

Accessing Functions and Subfunctions Ð See Table 12. Refer also to Table 11, which shows the 6 func- tions (identi®ed by name) and the subfunctions (identi®ed by number). Table 13 shows the sequence of all the elements in a subfunction.

Display Functions

SUMMARY DISPLAY Ð Whenever the keyboard has not been used for 10 minutes, the display automatically switches to an alternating summary display. This display has 3 parts (day/time, mode, and alarms), shown below, which alternate in continuously rotating sequence.

Display	Expansion
TUE 12:45 TODAY IS TUE, TIME IS 12:45
MODE 23	UNOCCUPIED HEATING
2 ALARMS	THERE ARE 2 ALARMS DETECTED

Return to the previous display at any time by pressing

.

Table 12 Ð Accessing Functions and Subfunctions

OPERATION	KEYBOARD	DISPLAY	DESCRIPTION
	ENTRY
To access a function, press the subfunction number and the function name key.		SETPOINT	System set points
The display shows the subfunction group
To move to the other elements, scroll up or down using the arrow keys		OHSP X	Occupied heating set point
		OCSP X	Occupied cooling set point
		UHSP X	Unoccupied heating set point
When the last element in a subfunction has been displayed, the ®rst element		UCSP X	Unoccupied cooling set point
is repeated
To move to the next subfunction, it is not necessary to use the subfunction
number. Pressing the function name key advances the display through all sub-		DEMAND	Demand limit set points
functions within a function and then back to the ®rst			Time of day and day of week
		TIME
			display
		DAYLIGHT	Daylight savings time
		HOLIDAY	Holiday display
		SETPOINT	System set points
To move to another function, either depress the function name key for		X ALARMS	X alarms detected
the desired function (display shows the ®rst subfunction)
or
Access a particular subfunction by using the subfunction number and the func-		SETPOINT	Current operating set points
tion name key

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