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Unit Controls
PRINT key
The PRINT key allows the operator to obtain a printout
of real-time system operating data or a printout of sys-
tem data at the "instant of the fault" on the last six faults
which occurred on the unit. An optional printer is re-
quired for the printout.
OPERATING DATA PRINT-OUT
Pressing the PRINT key and then OPER DATA key al-
lows the operator to obtain a printout of current system
YORK INTERNATIONAL CORPORATION
MILLENNIUM LIQUID CHILLER
UNIT STATUS
2:04PM 01 JAN 99
SYS 1
SYS 2
COMPRESSORS RUNNING2
OPTIONS
CHILLED LIQUID
AMBIENT CONTROL
LOCAL/REMOTE MODE
CONTROL MODE
LEAD/LAG CONTROL
FAN CONTROL
PROGRAM VALUES
DSCH PRESS CUTOUT
SUCT PRESS CUTOUT
LOW AMBIENT CUTOUT
LEAVING LIQUID CUTOUT
ANTI RECYCLE TIME
FAN CONTROL ON PRESS
FAN DIFF OFF PRESS
NUMBER OF COMPRESSORS
UNIT DATA
RETURN LIQUID TEMP
LEAVING LIQUID TEMP
DISCHARGE AIR TEMP
COOLING RANGE
SYS 1 SETPOINT
SYS 2 SETPOINT
AMBIENT AIR TEMP
LEAD SYSTEM
EVAPORATOR PUMP
EVAPORATOR HEATER
ACTIVE REMOTE CONTROL
SOFTWARE VERSION
64
NO COOLING LOAD
WATER
STANDARD
REMOTE
LEAVING LIQUID
AUTOMATIC
AMB & DSCH PRESS
395 PSIG
44 PSIG
25.0 DEGF
25.0 DEGF
600 SECS
230 PSIG
80 PSIG
6
58.2 DEGF
53.0 DEGF
55.3 DEGF
42.0 +/- 2.0 DEGF
70 +/- 3 PSIG
70 +/-3 PSIG
74.8 DEGF
SYS 2
ON
OFF
NONE
C.M02.01.00
operating parameters. When the OPER DATA key is
pressed, a snapshot will be taken of system operating
conditions and panel programming selections. This data
will be temporarily stored in memory and transmissionof
this data will begin to the printer. A sample Oper Data
printout is shown below.
SYSTEM 1 DATA
COMPRESSORS STATUS
RUN TIME
0- 0- 0- 0 D-H-M-S
SUCTION PRESSURE
DISCHARGE PRESSURE
SUCTION TEMPERATURE
LIQUID LINE SOLENOID
HOT GAS BYPASS VALVE
CONDENSER FAN STAGES
SYSTEM 2 DATA
COMPRESSORS STATUS
RUN TIME
0- 0- 1-46 D-H-M-S
SUCTION PRESSURE
DISCHARGE PRESSURE
LIQUID LINE SOLENOID
CONDENSER FAN STAGES
DAILY SCHEDULE
S M T W T F S
MON START=00:00AM
TUE START=00:00AM
WED START=00:00AM
THU START=00:00AM
FRI START=00:00AM
SAT START=00:00AM
HOL START=00:00AM
See Service And Troubleshooting section
for Printer Installation information.
OFF
66 PSIG
219 PSIG
52.8 DEGF
OFF
OFF
OFF
2
51 PSIG
157 PSIG
ON
3
*=HOLIDAY
STOP=00:00AM
STOP=00:00AM
STOP=00:00AM
STOP=00:00AM
STOP=00:00AM
STOP=00:00AM
STOP=00:00AM
YORK INTERNATIONAL
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