Figure 49 - Unit Data Key - York YVWA Installation Operation & Maintenance

Water-cooled screw liquid chillers, single compressor 50 hz and 60 hz, 125 - 200 ton, 440 - 700 kw
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SECTION 6 - OPERATION
UNIT
DATA KEY

FIGURE 49 - UNIT DATA KEY

The UNIT DATA key displays unit temperatures, and
related data. Select the displays, which are listed se-
quentially, by repeatedly pressing the UNIT DATA, or
the ▲ or ▼ key.
UNIT CHILLED LIQUID
UNIT CONDENSER LIQUID
UNIT
UNLOAD TIMER = ### SEC
UNIT
The message (above) displays the error in temperature
between the actual leaving chilled liquid and setpoint
temperatures. RATE = ###.#°F/M shows the rate of
change of the chilled liquid temperature.
UNIT
LEAD SYSTEM NUMBER = 1 OR 2
UNIT
CHILLED LIQUID FLOW SW = ON OR OFF
CONDENSER LIQUID FLOW SW = ON OR OFF
104
UNIT DATA KEY
LEAVE = ###.# °F
ENTER = ###.# °F
LEAVE = ###.# °F
ENTER = ###.# °F
LOAD TIMER = ### SEC
TEMP ERROR = ###.# °F
RATE = ###.# °F/M
LD19539
UNIT
EVAP/COND PUMP RUN = ON OR OFF
VSD COOLANT AUX PUMP = ON OR OFF
If the control is enabled, the VSD coolant aux pump
messages will display ON or OFF.
UNIT
ACTIVE REMOTE CONTROL = ACTIVE OR NONE
TYPE: BAS CURR TEMP MODE
If ACTIVE REMOTE CONTROL is NONE, the items
on the second line (TYPE) are blank. If ACTIVE RE-
MOTE CONTROL is ACTIVE, the following items
will be displayed, and are listed below:
• NONE - No remote control is active; however, re-
mote monitoring may be active.
• BAS - remote mode
• CURR - Remote Current Limiting is enabled.
• TEMP - Remote Temperature Reset is enabled.
• MODE - Remote MODE SELECT (REMOTE
MODE).
FORM 201.30-ICOM1 (519)
ISSUE DATE: 05/22/2019
JOHNSON CONTROLS

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