York ECO2 YPAL 050 - Manual (Page 151)

151 JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
7
MENU ITEM DEFINITION
SPACE SENSOR DETECTED IDENTIFIES IF THE UNIT CONTROLLER HAS DETECTED THE
PRESENCE OF A SPACE SENSOR. IF THE UNIT CONTROLLER
DETECTS A SPACE SENSOR IT WILL SELF CONFIGURE TO USE
IT FOR CONTROL OF THE UNIT.
SPACE SENSOR FAULT OVERRIDE ENABLE WHEN THIS OPTION IS TURNED ON THE CONTROLLER USES
THE RETURN AIR TEMPERATURE INPUT IN PLACE OF THE
SPACE TEMPERATURE INPUT TO CONTROL THE UNIT. TURING
THIS OPTION ON ALLOWS THE UNIT TO OPERATE IN A VAV
STAND ALONE MODE
SPACE TEMP THIS PARAMETER GIVES THE CURRENT VALUE OF THE SPACE
TEMPERATURE INPUT
SPACE TEMP TRENDING ALARM TEMP TO ENABLE THIS FEATURE THE PARAMETER MUST BE SET
TO OTHER THEN 0. A VALUE OTHER THEN 0 IS THE NUMBER
OF DEGREES ABOVE OR BELOW THE SETPOINT THE
TEMPERATURE MUST BE TO START THE TIMING
SPACE TEMP TRENDING ALARM TIME THIS PARAMETER ESTABLISHED THE AMOUNT OF TIME THE
SPACE TEMPERATURE MUST BE TRENDING ABOVE OR BELOW
THE SPACE TEMP TRENDING ALARM TEMP BEFORE THE ALARM
WILL BE INITIATED.
SPACE TEMPERATURE OFFSET RANGE THIS SETPOINT ESTABLISHES THE MAXIMUM AMOUNT OF
HEATING OR COOLING RESET AVAILABLE THROUGH THE
RESET FEATURE ON A SPACE SENSOR.
STAGES OF HEAT AVAILABLE THIS PARAMETER IDENTIFIES THE NUMBER OF STAGES OF
HEAT THE UNIT CONTROLLER IS SET UP TO CONTROL
STATE COMPRESSOR OFF - LOW SUPPLY
VOLTAGE
THIS IDENTIFIES THE COMPRESSORS ARE OFF BECAUSE OF
LOW SUPPLY VOLTAGE. ON WHEN THIS STATE IS ACTIVE
STATE COMPRESSORS OFF - LOW AMBIENT
TEMPERATURE
THIS IDENTIFIES THE COMPRESSOR ARE OFF BECAUSE
THE OUTDOOR TEMPERATURE IS BELOW THE LOW AMBIENT
LOCKOUT TEMPERATURE. ON WHEN THIS STATE IS ACTIVE
STATUS COMPRESSOR OFF - ECON IS USING
FREE COOLING
THIS IDENTIFIES THE COMPRESSORS ARE OFF BECAUSE THE
UNIT CONTROLLER IS USING OUTDOOR AIR FOR COOLING. ON
WHEN THIS IS ACTIVE
SUPPLY AIR TEMP THIS PARAMETER GIVES THE CURRENT VALUE FOR THE
SUPPLY AIR TEMPERATURE INPUT
SUPPLY AIR TEMP ALARM SETPOINT FOR
COOLING
TO ENABLE THIS FEATURE THE PARAMETER MUST BE SET TO
OTHER THEN 0. A VALUE OTHER THEN 0 ESTABLISHES THE
SETPOINT TO USE IN DETERMINE WHEN TO INITIATE A SUPPLY
AIR TEMP ALARM FOR COOLING
SUPPLY AIR TEMP ALARM SETPOINT FOR
HEATING
TO ENABLE THIS FEATURE THE PARAMETER MUST BE SET TO
OTHER THEN 0. A VALUE OTHER THEN 0 ESTABLISHES THE
SETPOINT TO USE IN DETERMINE WHEN TO INITIATE A SUPPLY
AIR TEMP ALARM FOR HEATING
SUPPLY AIR TEMP LIMIT COOLING SETPOINT THIS SET POINT IS USED BY THE UNIT CONTROLLER DURING
ECONOMIZER LOADING OR SUPPLY AIR TEMP LIMIT MODE OF
OPERATION
TABLE 7-1 – DEFINITIONS (CONTINUED)
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