System Data Keys 1 Through 4; Figure 52 - System Data Keys 1 Through 4 - York YVAA Installation Operation & Maintenance

SECTION 8 - MICROPANEL
System 1
data key
System 2
data key
System 3
data key
System 4
data key

Figure 52 - System data keys 1 through 4

General
The data keys provide the user with many displays of
individual system temperatures, pressures, and other
operating data. These keys have multiple displays,
which can be seen by repeatedly pressing the SYSTEM
DATA or the ▲ or ▼ (Arrow) keys. An explanation of
each key and its messages is provided.
System 1 data key operation
The SYSTEM 1 DATA key provides the user with ac-
cess to System 1 operating parameters. The following
is a list of the data in the order in which it appears.
The first key press of the SYSTEM X DATA key dis-
plays all of the measured system pressures (oil and dis-
charge).
SYS 1 PRESSURES
The second key press of the SYSTEM DATA key or
the ▼ (DOWN ARROW) key displays system suction
and condenser liquid pressure.
SYS 1 PRESSURES
CONDENSER LIQUID = XXXX PSIG
124

System data keys 1 through 4

OIL = XXXX PSIG
DISCHARGE = XXXX PSIG
SUCTION = XXXX PSIG
The next key press displays system oil and eductor
temperatures.
SYS 1 TEMPERATURES
The next key press displays system condenser liquid
temperature, liquid line subcooling and saturated dis-
charge temperature on the liquid line.
SYS 1 CONDENSER LIQUID TEMP = XXX.X °F
SUBCOOLING = XXX.X SAT TEMP = XXX.X °F
The next key press displays discharge temperature,
discharge superheat and saturated discharge pressure
at the compressor.
SYS 1 DISCHARGE
SUPERHEAT = XXX.X
The next key press displays the System 1 motor
thermistor temperatures.
SYS 1 MOTOR TEMPS
T2 = XXX.X °F
Form 201.47-ICOM1
Issue date: 17/11/2022
LD10605
OIL = XXX.X °F
EDUCTOR = XXX.X °F
TEMP = XXX.X °F
SAT TEMP = XXX.X °F
T1 = XXX.X °F
T3 = XXX.X °F
JOHNSON CONTROLS