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144
JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
Parameter Description and Options
TABLE 7-1 – DEFINITIONS (CONTINUED)
Continued on next page
MENU ITEM DEFINITION
DIRTY FILTER SWITCH INSTALLED
THIS PARAMETER MUST BE SET TO ON TO ENABLE THE DIRTY
FILTER FEATURE ON THE UNIT. A DIRTY FILTER SWITCH MUST
ALSO BE INSTALLED FOR THIS FEATURE TO FUNCTION
DUCT PRESSURE SETPOINT
THE UNIT CONTROLLER VARIES THE SPEED OF THE SUPPLY
FAN ON A VAV UNIT TO MAINTAIN THIS PROGRAMMED
SETPOINT
DUCT PRESSURE SHUTDOWN SETPOINT
IF THE DUCT STATIC PRESSURE ON A VAV UNIT EXCEED THIS
VALUE THE UNIT WILL SHUT DOWN THE FAN AND LOCK OUT
THE UNIT
DUCT STATIC READING
THIS PARAMETER GIVES THE CURRENT VALUE OF THE DUCT
STATIC PRESSURE INPUT
ECONOMIZER DAMPER OUTPUT STATUS
THIS GIVES THE STATUS OF THE UNIT CONTROLLER OUTPUT
TO THE ECONOMIZER DAMPER IN %
ECONOMIZER DAMPER POSITION FOR
EXHAUST TURN OFF
WHEN ON/OFF EXHAUST IS BEING USED THIS IS THE POSITION
OF THE ECONOMIZER DAMPER TO TURN OFF THE EXHAUST
FAN
ECONOMIZER DAMPER POSITION FOR
EXHAUST TURN ON
WHEN ON/OFF EXHAUST IS BEING USED THIS IS THE POSITION
OF THE ECONOMIZER DAMPER TO TURN ON THE EXHAUST FAN
ECONOMIZER FIRST STAGE SETPOINT
ON A CONSTANT VOLUME UNIT THE UNIT CONTROLLER WILL
TRY AND MAINTAIN THE SUPPLY AIR TEMPERATURE AT THIS
SETPOINT IN THE ECONOMIZER MODE WITH A FIRST STAGE
COOLING CALL
ECONOMIZER INSTALLED
THIS PARAMETER MUST BE TURN ON TO ENABLE ECONOMIZER
OPERATION
ECONOMIZER IS CURRENTLY USING FREE
COOLING
THIS IDENTIFIES IF THE UNIT CONTROLLER IS USING OUTDOOR
AIR TO SATISFY THE COOLING DEMAND, OFF OR ON
ECONOMIZER LOADING ENABLE
THIS PARAMETER MUST BE TURNED ON TO ENABLE
ECONOMIZER LOADING
ECONOMIZER MINIMUM POSITION
THIS PARAMETER ESTABLISHES THE POSITION OF THE
OUTDOOR DAMPER WHEN THE ECONOMIZER IS INACTIVE AND
THE UNIT IS IN THE OCCUPIED MODE
ECONOMIZER OUTSIDE AIR ENTHALPY
SETPOINT
THIS IS THE OUTDOOR ENTHALPY SETTING WHICH
DETERMINES WHEN TO SWITCH INTO AND OUT OF
ECONOMIZER OPERATION IN SINGLE ENTHALPY ECONOMIZER
MODE
ECONOMIZER OUTSIDE AIR TEMP ENABLE
SETPOINT
THIS IS THE OUTDOOR TEMPERATURE WHICH DETERMINES
WHEN TO SWITCH INTO AND OUT OF ECONOMIZER OPERATION
ECONOMIZER SECOND STAGE SETPOINT
ON A CONSTANT VOLUME UNIT THE UNIT CONTROLLER WILL
TRY AND MAINTAIN THE SUPPLY AIR TEMPERATURE AT THIS
SETPOINT IN THE ECONOMIZER MODE WITH A SECOND STAGE
COOLING CALL
ERV INSTALLED
THIS PARAMETER MUST BE TURNED ON IF AN ENERGY
RECOVERY VENTILATOR IS INSTALLED. THIS FEATURE IS
CURRENTLY NOT AVAILABLE ON THESE UNITS