York YPAL 061, YPAL 050, YPAL 051 Parameter Description and Options, 1 - DEFINITIONS CONTINUED

Parameter Description and Options

	FORM 100.50-NOM6 (1207)
TABLE 7-1 – DEFINITIONS (CONTINUED)
MENU ITEM	DEFINITION
	THIS FEATURE IS ONLY AVAILABLE ON CONSTANT VOLUME
	UNITS WITH A SPACE SENSOR USING THE INTERNAL
INTELLI-START OPERATION ENABLE	SCHEDULE. THIS OPTION BRINGS THE UNIT UP TO THE CV
	OCCUPIED COOLING OR CV OCCUPIED HEATING SETPOINTS
	PRIOR TO THE BEGINNING OF OCCUPIED OPERATION.
LAST ALARM 1	THIS PARAMETER IDENTIFIES THE MOST RECENT ALARM
LAST ALARM 2	THIS PARAMETER IDENTIFIES THE ALARM PRECEDING ALARM 1
LAST ALARM 3	THIS PARAMETER IDENTIFIES THE ALARM PRECEDING ALARM 2
LAST ALARM 4	THIS PARAMETER IDENTIFIES THE ALARM PRECEDING ALARM 3
LAST ALARM 5	THIS PARAMETER IDENTIFIES THE ALARM OLDEST IN HISTORY
LEAD-LAG EQUALIZE COMPRESSOR RUN TIME	THIS PARAMETER ENABLES LEAD LAG OPERATION FOR THE
ENABLED	COMPRESSOR, OFF OR ON
	THIS GIVES THE STATUS OF THE BINARY INPUT FROM THE
LIMIT SWITCH #1	LIMIT SWITCH TO THE UNIT CONTROLLER FOR HEAT SECTION 1
	IN SECONDS. OFF - FAULTED, ON - NORMAL
	THIS GIVES THE STATUS OF THE BINARY INPUT FROM THE
LIMIT SWITCH #2	LIMIT SWITCH TO THE UNIT CONTROLLER FOR HEAT SECTION 2
	IN SECONDS. OFF - FAULTED, ON - NORMAL
	THIS GIVES THE STATUS OF THE BINARY INPUT FROM THE
LIMIT SWITCH #3	LIMIT SWITCH TO THE UNIT CONTROLLER FOR HEAT SECTION 3
	IN SECONDS. OFF - FAULTED, ON - NORMAL
	THIS FEATURE CAN BE USED TO TEMPORALLY REDUCE THE
LOADSHED	ELECTRICAL CONSUMPTION OF THE UNIT BY TURNING OFF
	ALL OF THE ACTIVE COMPRESSORS. THIS FEATURE IS ONLY
	AVAILABLE THROUGH A COMMUNICATED INPUT.
	THIS PARAMETER IDENTIFIES IF THE SUPPLY VOLTAGE TO THE
LOW AC SUPPLY VOLTAGE DETECTED	CONTROL IS OUTSIDE THE ACCEPTABLE LIMITS. OFF = WITHIN
	LIMITS, ON = FAULTED, OUTSIDE LIMITS
LOW AMBIENT ECONOMIZER MINIMUM	THIS PARAMETER ESTABLISHES THE MINIMUM POSITION
	FOR THE OUTDOOR AIR DAMPER DURING LOW AMBIENT
POSITION
	OPERATION
	THIS PARAMETER IS USED TO TURN ON AND SET THE
	OUTDOOR TEMPERATURE AT WHICH THIS FEATURE BECOMES
LOW AMBIENT ECONOMIZER SETPOINT	ACTIVE. A 0 VALUE TURNS THE FEATURE OFF. THIS FEATURE
	REDUCES THE MINIMUM VENTILATION POSITION OF THE
	OUTDOOR DAMPER DURING TIMES OF COLD OUTDOOR
	TEMPERATURES
	THIS PARAMETER MUST BE TURNED ON IF A LOW AMBIENT
LOW AMBIENT KIT INSTALLED	VFD IS INSTALLED ON THE CONDENSER FAN. THIS ALLOWS
	COMPRESSOR OPERATION BELOW 45.0° F
	THIS IS THE STATUS OF THE BINARY INPUT FROM THE LOW
LPS1	PRESSURE SWITCH FOR COMPRESSOR SYSTEM 1 TO THE
	UNIT CONTROLLER. ON - OKAY, OFF - FAULTED.
	THIS IS THE STATUS OF THE BINARY INPUT FROM THE LOW
LPS2	PRESSURE SWITCH FOR COMPRESSOR SYSTEM 2 TO THE
	UNIT CONTROLLER. ON - OKAY, OFF - FAULTED.
	Continued on next page

148 JOHNSON CONTROLS