JOHNSON CONTROLS
252
FORM 201.23-NM2
ISSUE DATE: 3/9/2015
SECTION 8 - MICROPANEL
UNIT DATA KEY
LD10605
UNIT DATA
KEY
General
The UNIT DATA key provides the user with displays
of unit temperatures, and unit related data. Displays
can be selected by repeatedly pressing the UNIT DATA
key or the▲ or ▼ Arrow Keys.
Unit Data Key Operation
The first key press displays Evaporator Leaving and
Return Chilled Liquid Temps.
UNIT CHILLED LIQUID LEAVING = XXX.X °F
ENTERING = XXX.X °F
The next key press of the UNIT DATA key or the ▼
(ARROW) key displays the ambient air temperature.
UNIT
OUTSIDE AMBIENT AIR TEMP = XXX.X °F
The next key press will display the time remaining on
the load and unload timers.
UNIT LOAD TIMER = XXX SEC
UNLOAD TIMER = XXX SEC
The next key press displays the error in temperature
between the actual leaving chilled liquid temperature
and the setpoint temperature. The display also shows
the rate of change of the chilled liquid temperature.
UNIT TEMP ERROR = XXX.X °F
RATE = XXX.X °F/M
The next key press displays the system designated as
the lead system and the Flow Switch status (ON or
OFF).
UNIT LEAD SYSTEM NUMBER = X
FLOW SWITCH = XXX
The next key press displays the status of the evapora-
tor pump and heater, where XXX is either ON or OFF.
UNIT EVAP PUMP RUN = XXX
EVAP HEATER = XXX
Summary of Contents for YCIV0157
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