Specifications
Table Of Contents
- Form 150.72-NM1 (908)
- GENERAL SAFETY GUIDELINES
- CHANGEABILITY OF THIS DOCUMENT
- TABLE OF CONTENTS
- LIST OF FIGURES
- LIST OF TABLES
- SECTION 1 – GENERAL CHILLER INFORMATION & SAFETY
- SECTION 2 – PRODUCT DESCRIPTION
- INTRODUCTION
- GENERAL SYSTEM DESCRIPTION
- HIGH AMBIENT KIT
- BUILDING AUTOMATION SYSTEM INTERFACE
- MILLENIUM CONTROL CENTER
- POWER PANEL
- ACCESSORIES AND OPTIONS
- UNIT COMPONENTS
- CONTROL / POWER PANEL COMPONENTS
- PRODUCT IDENTIFICATION NUMBER (PIN)
- BASIC UNIT NOMENCLATURE
- REFRIGERANT FLOW DIAGRAM
- PROCESS AND INSTRUMENTATION DIAGRAM
- SECTION 3 – HANDLING AND STORAGE
- SECTION 4 – INSTALLATION
- INSTALLATION CHECKLIST
- HANDLING
- INSPECTION
- LOCATION AND CLEARANCES
- SPRING ISOLATORS (OPTIONAL)
- COMPRESSOR MOUNTING
- REMOTE COOLER OPTION
- CHILLED LIQUID PIPING
- PIPEWORK ARRANGEMENT
- DUCT WORK CONNECTION
- WIRING
- COMPRESSOR HEATERS
- RELIEF VALVES
- HIGH PRESSURE CUTOUT
- SINGLE-POINT SUPPLY CONNECTION – TERMINAL BLOCK, NON-FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER
- USER CONTROL WIRING INPUTS
- USER CONTROL WIRING OUTPUTS
- SECTION 5 – TECHNICAL DATA
- OPERATIONAL LIMITATIONS (ENGLISH)
- HEAT EXCHANGER FLOW, GPM
- PHYSICAL DATA (ENGLISH)
- ELECTRICAL DATA
- ELECTRICAL NOTES
- ELECTRICAL DATA W/O PUMPS
- ELECTRICAL DATA W/ PUMPS
- ELECTRICAL NOTES AND LEGEND
- WIRING DIAGRAMS
- DIMENSIONS (ENGLISH)
- TECHNICAL DATA – CLEARANCES
- WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS
- ISOLATOR INFORMATION FOR UNITS SHIPPED ON OR AFTER JUNE 15, 2008
- ISOLATOR INFORMATION FOR UNITS SHIPPED BEFORE JUNE 15, 2008
- SLRS Seismic Isolator Specifications
- SLRS Seismic Isolator Installation and Adjustment
- One Inch Deflection Spring Isolator Cross-reference
- Installation of 1” Deflection Mounts
- Neoprene Isolator Cross-reference
- Two Inch Deflection, Seismic Spring IsolatorCross-reference - SLRS
- SLRS Seismic Isolator Installation and Adjustment
- SECTION 6 – COMMISSIONING
- SECTION 7 – UNIT CONTROLS
- SECTION 8 – UNIT OPERATION
- CAPACITY CONTROL
- SUCTION PRESSURE LIMIT CONTROLS
- DISCHARGE PRESSURE LIMIT CONTROLS
- LEAVING CHILLED LIQUID CONTROL
- LEAVING CHILLED LIQUID CONTROLOVERRIDE TO REDUCE CYCLING
- LEAVING CHILLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING
- RETURN CHILLED LIQUID CONTROL
- RETURN CHILLLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING
- ANTI-RECYCLE TIMER
- ANTI-COINCIDENCE TIMER
- EVAPORATOR PUMP CONTROL & YORK HYDRO KIT PUMP CONTROL
- EVAPORATOR HEATER CONTROL
- PUMPDOWN CONTROL
- STANDARD CONDENSER FAN CONTROL
- LOAD LIMITING
- COMPRESSOR RUN STATUS
- ALARM STATUS
- REMOTE BAS/EMS TEMPERATURE RESET USINGA VOLTAGE OR CURRENT SIGNAL
- SECTION 9 – SERVICE AND TROUBLESHOOTING
- SECTION 10 – MAINTENANCE
JOHNSON CONTROLS
124
FORM 150.72-NM1 (908)
Unit Controls
Print Key
The PRINT key allows the operator to obtain a printout
of real-time system operating data or a history printout
of system data at the “instant of the fault” on the last six
faults which occurred on the unit. An optional printer is
required for the printout.
Operating Data Printout
Pressing the PRINT key and then OPER DATA key
allows the operator to obtain a printout of current system
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 transmission
of this data will begin to the printer. A sample Operating
Data printout is shown below. (Note: Not all values are
printed for all models.)
YORK INTERNATIONAL CORPORATION
MILLENNIUM LIQUID CHILLER
UNIT STATUS
2:04PM 01 OCT 07
SYS 1 NO COOLING LOAD
SYS 2 COMPRESSORS RUNNING 2
OPTIONS
CHILLED LIQUID WATER
AMBIENT CONTROL STANDARD
LOCAL/REMOTE MODE REMOTE
CONTROL MODE LEAVING LIQUID
LEAD/LAG CONTROL AUTOMATIC
FAN CONTROL AMB & DSCH PRESS
CURRENT FEEDBACK NONE
POWER FAILURE RESTART AUTOMATIC
SOFT START ENABLED
EXPANSION VALVE THERMOSTATIC
REMOTE TEMP RESET 4 TO 20 MA
PROGRAM VALUES
DSCH PRESS CUTOUT 570 PSIG
SUCT PRESS CUTOUT 80 PSIG
SUCT PRESS CUT COOLING 42 PSIG
SUCT PRESS CUT HEATING 31 PSIG
LOW AMBIENT CUTOUT 25.0 DEGF
LEAVING LIQUID CUTOUT 25.0 DEGF
ANTI RECYCLE TIME 600 SECS
FAN CONTROL ON PRESS 425 PSIG
FAN DIFF OFF PRESS 125 PSIG
NUMBER OF COMPRESSORS 6
NUMBER OF FANS PER SYSTEM 4
UNIT TRIP VOLTS 3.0
REFRIGERANT TYPE R-22
DEFROST INIT TEMP 41.0 DEGF
DEFROST INITIATION TIME 60MIN
DEFROST TERMINATION TIME 3MIN
BIVALENT HEAT DELAY TIME 30 MIN
REMOTE UNIT ID PROGRAMMED 2
YORK HYDRO KIT PUMPS 1 (410a)
PUMP TOTAL RUN HOURS XXXXX (410a)
UNIT DATA
RETURN LIQUID TEMP 58.2 DEGF
LEAVING LIQUID TEMP 53.0 DEGF
DISCHARGE AIR TEMP 55.3 DEGF
COOLING RANGE 42.0 +/- 2.0 DEGF
HEATING RANGE 122.0 +/- 2.0 DEGF
SYS 1 SETPOINT 70 +/- 3 PSIG
SYS 2 SETPOINT 70 +/- 3 PSIG
REMOTE SETPOINT 44.0 DEGF
AMBIENT AIR TEMP 74.8 DEGF
LEAD SYSTEM SYS 2
EVAPORATOR PUMP ON
EVAPORATOR HEATER OFF
ACTIVE REMOTE CONTROL NONE
LAST DEFROST SYS X DURATION XXXS
TIME TO SYS X DEFROST XX MIN
BIVALENT DELAY REMAINING XX MIN
UNIT XXX.X AMPS X.X VOLTS
SOFTWARE VERSION C.M02.13.00
SYSTEM 1 DATA
COMP STATUS 1=OFF 2=OFF 3=OFF
RUN TIME 0- 0- 0- 0 D-H-M-S
TIME YYYYYYY 0- 0- 0- 0 D-H-M-S
LAST STATE YYYYYYY
SUCTION PRESSURE 105 PSIG
DISCHARGE PRESSURE 315 PSIG
SUCTION TEMPERATURE 46.0 DEGF
SAT SUCTION TEMP 34.0 DEGF
SUCTION SUPERHEAT 12.0 DEGF
COOLER INLET REFRIG 31.6 DEGF
DEFROST TEMPERATURE 52.8 DEGF
LIQUID LINE SOLENOID OFF
MODE SOLENOID OFF
HOT GAS BYPASS VALVE OFF
CONDENSER FAN STAGE OFF
EEV OUTPUT 0.0 %
SYSTEM XXX.X AMPS X.X VOLTS
SYSTEM 2 DATA
COMP STATUS 1=ON, 2=OFF, 3=ON
RUN TIME 0-0-1-46 D-H-M-S
TIME YYYYYYY 0-0-0-0 D-H-M-S
LAST STATE YYYYYYY
SUCTION PRESSURE 110 PSIG
DISCHARGE PRESSURE 320 PSIG
SUCTION TEMPERATURE 49.3 DEGF
SAT SUCTION TEMP 36.0 DEGF
SUCTION SUPERHEAT 13.3 DEGF
COOLER INLET REFRIG 31.6 DEGF
DEFROST TEMPERATURE 52.8 DEGF
LIQUID LINE SOLENOID ON
MODE SOLENOID ON
CONDENSER FAN STAGE 3
EEV OUTPUT 63.2%
SYSTEM XXX.X AMPS X.X VOLTS
DAILY SCHEDULE
S M T W T F S *=HOLIDAY
SUN START=00:00AM STOP=00:00AM
MON START=00:00AM STOP=00:00AM
TUE START=00:00AM STOP=00:00AM
WED START=00:00AM STOP=00:00AM
THU START=00:00AM STOP=00:00AM
FRI START=00:00AM STOP=00:00AM
SAT START=00:00AM STOP=00:00AM
HOL START=00:00AM STOP=00:00AM