York YCAV0157 Installation Operation & Maintenance page 241

System # 1 Measured Temperatures
SYS 1 TEMPERATURES
SUCTION = XXX.X
This message displays all of the measured system
temperatures (oil, suction, and discharge) at the time
of the fault.
System #1 Measured Suction Temperature
& Calculated Sat Suction Temperature &
Superheat
SYS 1 SUCTION
SUPERHEAT = XXX.X
This message displays all of the calculated suction
temperatures (saturated suction and system superheat)
at the time of the fault as well as measured suction
temperature.
System #1 Calculated Discharge
Temperatures
SYS 1 DISCHARGE
SUPERHEAT = XXX.X
This message displays all of the calculated discharge
temperatures (saturated discharge and discharge su-
perheat) at the time of the fault as well as measured
discharge temperature.
System #1 Motor Temperatures
SYS 1 MOTOR TEMPS
T2 = XXX.X
This message displays the system 1 motor thermistor
temperatures at the time of the fault.
System #1 Compressor Speed and
Economizer Solenoid Status
SYS 1 COMPRESSOR
ECONOMIZER SOLENOID = XXX
This message indicates the compressor speed and status
of economizer solenoid at the time of the fault. The
economizer status will be indicated as either ON or OFF.
JOHNSON CONTROLS
HISTORY KEY (CON'T)
OIL = XXX.X °F
DISCHARGE = XXX.X °F
TEMP = XXX.X °F
SAT REMP = XXX.X °F
TEMP = XXX.X °F
SAT REMP = XXX.X °F
T1 = XXX.X °F
T3 = XXX.X °F
SPEED = XXX.X %
System #1 Flash Tank Level and Feed Valve
% Open
SYS 1 FLASH TANK
FEED VALVE PERCENT OPEN = XXX.X %
This message displays the liquid level in the Flash Tank
and indicates the % the Flash Tank Feed Valve is open
at the time of the fault.
System #1 Suction Superheat and
Flash Tank Drain Valve % open
SYS 1 SUCTION SUPERHEAT = XXX.X °F
DRAIN VALVE PERCENT OPEN = XXX.X %
This message displays the system suction superheat and
indicates the % the Flash Tank Drain Valve is open at
the time of the fault.
System #1 Fan Stage and Compressor
Heater Status
SYS 1 CONDENSER FANS ON = XXX
COMPRESSOR HEATER = XXX
This message displays the actual # of system fans on,
and the status of the compressor heater at the time of
the fault. The fan display will show the number of fans
operating while the compressor heater status will indi-
cate either ON or OFF.
Compressor #1 Run Time
SYS 1 RUN TIME
XX DAYS XX HOURS XX MINUTES XX SECONDS
This message displays the system run time since the
last start in days, hours, minutes, and seconds at the
time of the fault.
System #1 Run Signals
SYS 1 RUN SIGNALS
RUN PERM = XXX
This message displays the System Run Signal Relay
(Relay Output Board) status, Run Permissive Input
status, and the Internal Software (micro command)
ON/OFF Start status. The status of each will indicate
either ON or OFF.
FORM 201.21-NM1 (1223)
LEVEL = XXX.X %
RELAY = XXX
SOFTWARE = XXX
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