267
JOHNSON CONTROLS
FORM 201.21-NM3 (616)
SYSTEM DATA KEYS 1-4 (CON'T)
If any motor temp sensor is being
ignored, (Selectable under Unit Set-
up Mode), that sensor’s value will be
displayed as XXXXX.
The next key press indicates the % of compressor load-
ing and status of the economizer solenoid as determined
by the operating frequency.
SYS 1 COMPRESSOR SPEED = XXX.X %
ECONOMIZER SOLENOID = XXX
SYS 1 FLASH TANK LEVEL = XXX.X %
FEED VALVE PERCENT OPEN = XXX.X %
SYS 1 CONDENSER FANS ON = X
COMPRESSOR HEATER = XXX
SYS 1 RUN TIME
XX DAYS XX HOURS XX MINUTES XX SECONDS
SYS 1 SUCTION SUPERHEAT = XXX.X °F
DRAIN VALVE PERCENT OPEN = XXX.X %
SYS 1 RUN SIGNALS RELAY = XXX
RUN PERM = XXX SOFTWARE = XXX
XXX indicates whether the economizer solenoid is
either ON or OFF.
The next key press displays the liquid level in the flash
tank and an indicator of the % the Flash Tank Feed
Valve is open.
The next key press displays the system suction superheat
and an indicator of the % the Flash Tank Drain Valve
is open.
The next key press displays the system fan stage and the
status of the compressor heater.
X = the number of fans ON. XXX indicates either the
heater is ON or OFF.
The next key press displays the system run time in days,
hours, minutes, and seconds.
The next key press displays the status of several system
signals.
XXX indicates either ON or OFF.
SYS 3 DATA NOT AVAILABLE
SYS 4 DATA NOT AVAILABLE
SYSTEM 2 - 4 DATA Key Operation
These keys function the same as the SYSTEM 1 DATA
key except that it displays data for system 2 through
4.
On a 2 compressor system, the SYSTEM 3 and SYS-
TEM 4 data keys will display the following messages:
8
Summary of Contents for YCAV0267E
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