YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls

SECTION 8 - MICROPANEL
General
98
UNIT DATA KEY
UNIT DATA
KEY
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 Temperatures.
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.
LD10605
UNIT TEMP ERROR = XXX.X °F
RATE = XXX.X °F/M
FORM 201.28-NM1.1
ISSUE DATE: 8/29/2012
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 evaporator
pump and heater, where XXX is either ON or OFF.
UNIT EVAP PUMP RUN = XXX
EVAP HEATER = XXX
The next key press displays the status of Active Remote
Control.
UNIT ACTIVE REMOTE CONTR0L = XXXXXX
TYPE: RCC ISN CURR TEMP SOUND
XXXXX is either ACTIVE or NONE.
If no remote keys are active, the items on the second
line are all blanked out. Any remote items that are active
will be displayed, while the inactive items will be
blanked out.
JOHNSON CONTROLS