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

Parameter Description and Options

FORM 100.50-NOM6 (1207)

TABLE 7-1 – DEFINITIONS (CONTINUED)

MENU ITEM	DEFINITION
OUTSIDE AIR HUMIDITY	THIS PARAMETER GIVES THE CURRENT VALUE OF THE
	OUTSIDE AIR HUMIDITY INPUT
OUTSIDE AIR HUMIDITY SENSOR INSTALLED	THIS PARAMETERS IDENTIFIES TO THE UNIT CONTROLLER
	THAT AN OUTDOOR AIR HUMIDITY SENSOR IS INSTALLED
OUTSIDE AIR TEMP	THIS PARAMETER GIVES THE CURRENT VALUE FOR THE
	OUTDOOR AIR TEMPERATURE INPUT
POWER EXHAUST INSTALLED	THIS PARAMETER MUST BE TURNED ON TO ENABLE POWER
	EXHAUST OPERATION
PRE-OCCUPANCY PURGE ENABLE	THIS PARAMETER IS USED TO TURN ON THE PRE-OCCUPANCY
	PURGE OPTION. THIS FEATURE TURNS ON THE SUPPLY FAN
	AND OPENS THE OUTDOOR AIR DAMPER PRIOR TO GOING
	INTO THE OCCUPIED MODE.
PRE-OCCUPANCY PURGE TIME (HOURS OF	THIS PARAMETER ESTABLISHES THE NUMBER OF HOURS
DAY)	PRIOR TO THE OCCUPIED START TIME THAT THE PRE-
	OCCUPANCY PURGE WOULD START
PRE-OCCUPANCY PURGE TIME (MINUTES OF	THIS PARAMETER ESTABLISHES THE NUMBER OF MINUTES
DAY)	PRIOR TO THE OCCUPIED START TIME THAT THE PRE-
	OCCUPANCY PURGE WOULD START
PURGE SWITCH	THIS IS THE STATUS OF THE BINARY INPUT TO TERMINAL
	PURGE - PURGE MODE
REDLINE	THIS FEATURE CAN BE USED TO TEMPORALLY REDUCE THE
	ELECTRICAL CONSUMPTION OF THE UNIT BY TURNING OFF
	SOME OF THE ACTIVE COMPRESSORS. THIS FEATURE IS ONLY
	AVAILABLE THROUGH A COMMUNICATED INPUT.
REMOTE CONTROL INPUT ENABLE FOR THIRD	THIS ALLOWS THE USE OF AN EXTERNAL 0 TO 10 VDC SIGNAL
PARTY BAS	TO RESET THE SUPPLY AIR TEMPERATURE SETPOINT ON VAV
	UNITS.
REMOTE CONTROL INPUT VALUE	GIVES THE VALUE OF THE 0 TO 10 VDC REMOTE CONTROL
	INPUT FOR THE REMOTE CONTROL OF THE DAMPERS
RETURN AIR ENTHALPY	THIS PARAMETER IS THE CALCULATED VALUE FOR THE
	RETURN AIR ENTHALPY
RETURN AIR HUMIDITY	THIS PARAMETER GIVES THE CURRENT VALUE OF THE
	RETURN AIR HUMIDITY INPUT
RETURN AIR HUMIDITY SENSOR INSTALLED	THIS IS THE RETURN ENTHALPY SETTING WHICH THE UNIT
	CONTROLLER USES TO DETERMINE WHEN TO SWITCH INTO
	ECONOMIZER OPERATION IN DUAL ENTHALPY ECONOMIZER
	MODE
RETURN AIR TEMP	THIS PARAMETER GIVE THE CURRENT VALUE FOR THE
	RETURN AIR TEMPERATURE INPUT
RUN TEST	BY TURNING THIS FEATURE ON THE UNIT CONTROLLER
	SEQUENCING ON ALL THE BINARY OUTPUTS TO VERIFY
	OPERATION OF THE UNIT ELECTRICAL DEVICES
SENSOR SPACE TEMPERATURE SENSOR	THIS IS THE ACTUAL SPACE SENSOR OFFSET AMOUNT BEING
OUTSET	USED BY THE UNIT CONTROLLER IN DEGREES.

Continued on next page

150 JOHNSON CONTROLS