York YT Specifications

OPERATING & MAINTENANCEMILLENNIUM®CENTRIFUGAL LIQUID CHILLERSSupersedes: 160.55-O1 (402)Form 160.55-O1 (604)MODEL YT (STYLE J)R123 COOLING ONLYWIT

YORK INTERNATIONAL10FORM 160.55-O1 (604)version is C.OPT.02.xx.yzz, and is viewable on the DIAGNOSTICS Screen in SERVICE access level. The program can

YORK INTERNATIONAL100FORM 160.55-O1 (604)ta neous ly; one via the serial communications link and one via the start re lay TB6-24 in the OptiView Contr

FORM 160.55-O1 (604)101YORK INTERNATIONALrestart when the cycling condition clears. Ser vice and troubleshooting information is con tained in YORK Man

YORK INTERNATIONAL102FORM 160.55-O1 (604)Hz applications), the drive will initiate a system shut- down. A common cause for this shutdown is a severe s

FORM 160.55-O1 (604)103YORK INTERNATIONAL • Low Condenser Flow – The VSD sys tem re quires 8 feet of pressure drop across the heat ex chang er to mai

YORK INTERNATIONAL104FORM 160.55-O1 (604)This is generally indicative of a wiring problem be tween the OptiView Control Center and the VSD. “VSD – SE

FORM 160.55-O1 (604)105YORK INTERNATIONALin series to achieve a 900VDC capability for the DC link. It is important the voltage is shared equally from

YORK INTERNATIONAL106FORM 160.55-O1 (604)Enabled by a Service Technician (fol low ing in struc tions in Service Manual 160.55-M1) and the Leavin

FORM 160.55-O1 (604)107YORK INTERNATIONAL“DISCHARGE – HIGH TEMPERATURE”The discharge temperature, as sensed by the Dis charge Temperature Thermistor,

YORK INTERNATIONAL108FORM 160.55-O1 (604)MOD “B” SOLID STATE STARTER SAFE TY SHUTDOWN MES SAG ES“LCSSS SHUTDOWN – REQUESTING FAULT DATA...”The Liquid

FORM 160.55-O1 (604)109YORK INTERNATIONAL“VSD SHUTDOWN – REQUESTING FAULT DATA”The VSD has shut down the chiller and the control cen ter has not yet r

FORM 160.55-O1 (604)11YORK INTERNATIONALTHIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT

YORK INTERNATIONAL110FORM 160.55-O1 (604)VSD Logic Board is pressed and the COMPRESSOR switch is placed in the Stop-reset (O) position. "VSD – H

FORM 160.55-O1 (604)111YORK INTERNATIONALTHIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT2

YORK INTERNATIONAL112FORM 160.55-O1 (604)SECTION 3PRINTERSFIG. 43 – PRINTERS23887AOKIDATA MICROLINE 18423889AWEIGH-TRONIXSEIKO DPU-41400085VIPPrinters

FORM 160.55-O1 (604)113YORK INTERNATIONALA printer can be connected to the Control Center’s Microboard to print the following reports. The screen from

YORK INTERNATIONAL114FORM 160.55-O1 (604)codes are sent from the Control Center to the print er. For example, Weigh -Tronix printers require a con tro

FORM 160.55-O1 (604)115YORK INTERNATIONAL Model 1220 - ConÞ gure Menu Baud= 1200 Data Bits = 8 Sto

YORK INTERNATIONAL116FORM 160.55-O1 (604) YORK UPDATE CHILLER ID 0 YORK Update Chiller ID ----------------------------------------------------------

FORM 160.55-O1 (604)117YORK INTERNATIONAL Phase C Current = 190 A Phase A Temperature = 88 ~F Phase B

YORK INTERNATIONAL118FORM 160.55-O1 (604)FIG. 45 – SAMPLE PRINTOUT (SETPOINT REPORT)YORK SETPOINTSCHILLER ID 0--------------------------------------

FORM 160.55-O1 (604)119YORK INTERNATIONALFIG. 45 – CONTINUED3Remote Modem Current Limit = 100 %Pulldown Demand Limit

YORK INTERNATIONAL12FORM 160.55-O1 (604) When in this position, the chiller will not run un der any condition. For safe ty reasons, this po si tio

YORK INTERNATIONAL120FORM 160.55-O1 (604)FIG. 47 – SAMPLE PRINTOUT (SALES ORDER RE PORT)YORK SALES ORDERCHILLER ID 0© 1997 - 1999 YORK INTERNATIONAL

FORM 160.55-O1 (604)121YORK INTERNATIONAL3YORK HISTORY 1CHILLER ID 0---------------------------------------------------------------------------© 199

YORK INTERNATIONAL122FORM 160.55-O1 (604)FIG. 48 – CONTINUEDPrintersYORK SETPOINT CHANGE LOGCHILLER ID 163© 1997 – 2000 YORK INTERNATIONAL COR PO RA T

FORM 160.55-O1 (604)123YORK INTERNATIONAL3FIG. 50 – SAMPLE PRINTOUT (TREND DATA NEW OR EXISTING POINTS)YORK TRENDCHILLER ID 163© 1997 – 2000 YOR

YORK INTERNATIONAL124FORM 160.55-O1 (604)START-UP PROCEDUREPre-StartingPrior to starting the chiller ob serve the OptiView Con- trol Center. Make sure

FORM 160.55-O1 (604)125YORK INTERNATIONAL4Any mal func tions which oc cur dur ing “STOP/ RE SET” are also dis played. When the chiller is shut

YORK INTERNATIONAL126FORM 160.55-O1 (604)"SYSTEM SHUTDOWN"DISPLAYMESSAGE"SYSTEM RUN""SYSTEM PRELUBE"(OIL PUMP PRE-RUN)

FORM 160.55-O1 (604)127YORK INTERNATIONALCHECKING OP ER A TION During operation, the fol low ing con di tions should be periodically checked: 1. On s

YORK INTERNATIONAL128FORM 160.55-O1 (604)System Op er at ing Pro ce duresAn optional sta tus printer is available for this purpose; or, Fig. 48 shows

FORM 160.55-O1 (604)129YORK INTERNATIONAL 3. Compressor Drive Motor (See motor man u fac tur er’s main te nance and service in struc tion sup pli

FORM 160.55-O1 (604)13YORK INTERNATIONALOVERVIEWThe new graphical display on each control pan el al lows a wide variety of information to be pre sent

YORK INTERNATIONAL130FORM 160.55-O1 (604)System Op er at ing Pro ce durescon dens er wa ter, and cool ing tower fans will stop au to mat i cal ly. The

FORM 160.55-O1 (604)131YORK INTERNATIONALHz immersion type. A separate three phase pow er sup-ply is required except when ordered with a YORK Solid St

YORK INTERNATIONAL132FORM 160.55-O1 (604)FIG. 59 – SCHEMATIC DRAWING – (YT) COM PRES SOR LUBRICATION SYSTEMLD03278System Components De scrip tion

FORM 160.55-O1 (604)133YORK INTERNATIONAL Application #CT’s Furnished in Motor Ter mi nal Box E-M Starter

YORK INTERNATIONAL134FORM 160.55-O1 (604)System Components De scrip tionVictaulic grooves are welded to the water boxes. These nozzle connections are

FORM 160.55-O1 (604)135YORK INTERNATIONALSECTION 6OPERATIONAL MAINTENANCEOIL RETURN SYSTEM6OIL RETURNThe oil return system con tin u ous ly main tains

YORK INTERNATIONAL136FORM 160.55-O1 (604)Operational MaintenanceLD00470FIG. 61 – ASSEMBLY OF DEHYDRATOR

FORM 160.55-O1 (604)137YORK INTERNATIONALFIG. 62 – CHARGING OIL RESERVOIR WITH OIL25721AOIL CHARG ING VALVELD00472at the charg ing valve until after t

YORK INTERNATIONAL138FORM 160.55-O1 (604)TroubleshootingSECTION 7TROUBLE SHOOTINGTABLE 1 –CAUSES OF NOR MAL AND SAFE TY SYS TEM SHUT DOWNS IN AC COR D

FORM 160.55-O1 (604)139YORK INTERNATIONAL7TABLE 1 –CAUSES OF NOR MAL AND SAFE TY SYS TEM SHUT DOWNS IN AC COR DANCE WITH THE CONTROL

YORK INTERNATIONAL14FORM 160.55-O1 (604)Lead ing zeroes are not necessary. If a dec i mal point is nec es sary, press the ‘•’ key (i.e. 45.0). Pre

YORK INTERNATIONAL140FORM 160.55-O1 (604) TABLE 1 –CAUSES OF NOR MAL AND SAFE TY SYS TEM SHUT DOWNS IN AC COR DANCE WITH THE CONT

FORM 160.55-O1 (604)141YORK INTERNATIONALTABLE 1 –CAUSES OF NOR MAL AND SAFE TY SYS TEM SHUT DOWNS IN AC COR DANCE WITH THE CONTROL

YORK INTERNATIONAL142FORM 160.55-O1 (604)TroubleshootingTABLE 2 – OPERATING ANALYSIS CHART RESULTS

FORM 160.55-O1 (604)143YORK INTERNATIONAL RESULTS POSSIBLE CAUSE REMEDY 6. SYMP TOM: UNUSUALLY HIGH OIL PRESSURE DEVELOPS WHEN OIL PUMP RUNSUnus

YORK INTERNATIONAL144FORM 160.55-O1 (604)MaintenanceSECTION 8MAINTENANCERENEWAL PARTSFor any required Renewal Parts re fer to Forms listed on page 4

FORM 160.55-O1 (604)145YORK INTERNATIONAL8 *GAUGE ABSOLUTE INCHES OF MERCURY (HG) PSIA MILLIMETERS OF

YORK INTERNATIONAL146FORM 160.55-O1 (604)MaintenanceEVACUATION AND DEHYDRATION OF UNITVACUUM TESTINGAfter the pressure test has been completed theVacu

FORM 160.55-O1 (604)147YORK INTERNATIONALFIG. 64 – SATURATION CURVELD00474 SHELL CODES COOLER COMPRESSOR G0, G1, G3

YORK INTERNATIONAL148FORM 160.55-O1 (604)CHECKING THE REFRIGERANT CHARGE DURING UNIT SHUT DOWNHANDLING REFRIGERANT FORDISMANTLING AND REPAIRSThe refri

FORM 160.55-O1 (604)149YORK INTERNATIONALLD00475FIG. 65 – DIAGRAM, MEGGING MOTOR WIND INGSGENERAL Maintenance of condenser and cooler shells is im- po

FORM 160.55-O1 (604)15YORK INTERNATIONALANALOG INPUT RANGESThe following table indicates the valid display range for each of the analog input values.

YORK INTERNATIONAL150FORM 160.55-O1 (604)LD00476TEMPERATURE – °FMEGOHMSFIG. 66 – MOTOR STATOR TEMPERATURE AND INSULATION RE SIS TANC ESMinimum Insulat

FORM 160.55-O1 (604)151YORK INTERNATIONALTUBE CLEAN ING PRO CE DURES Brush Cleaning of TubeIf the tube foul ing con sists of dirt and sludge, it can u

YORK INTERNATIONAL152FORM 160.55-O1 (604)COMPRESSORELECTRICAL CONTROLSMaintenance for the compressor assembly consists of check ing the operation of t

FORM 160.55-O1 (604)153YORK INTERNATIONALCOOLER AND CONDENSER The major por tion of maintenance on the condenser and cooler will deal with the maintai

YORK INTERNATIONAL154FORM 160.55-O1 (604)SECTION 10OPTISAVE ENERGY ANALYSER FEATUREThe OptiSave Energy Analyzer Feature reveals the advantage of a com

FORM 160.55-O1 (604)155YORK INTERNATIONALNOTES

800-861-1001www.york.comP.O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USACopyright © by York Interna

YORK INTERNATIONAL16FORM 160.55-O1 (604)HOME SCREENOVERVIEWWhen the chiller system is powered on, the above de- fault display appears. The primary val

FORM 160.55-O1 (604)17YORK INTERNATIONALOnly qual i Þ ed service personnel utilize this access lev el. This lev el provides advanced control over man

YORK INTERNATIONAL18FORM 160.55-O1 (604)SYSTEM SCREENOVERVIEWThis screen gives a general overview of common chill er parameters for both shells. DISPL

FORM 160.55-O1 (604)19YORK INTERNATIONALCurrent Limit Displays the current limit value in use. This value could come from a 0-20mA or 4-20mA, 0-10VDC

YORK INTERNATIONAL2FORM 160.55-O1 (604)

YORK INTERNATIONAL20FORM 160.55-O1 (604)EVAPORATOR SCREENOVERVIEWThis screen displays a cutaway view of the chiller evap- o ra tor. All setpoints rela

FORM 160.55-O1 (604)21YORK INTERNATIONALPROGRAMMABLELocal Leaving Chilled Liquid Tem per a ture - Range Access Level Re quired: OP ER A TORThis

YORK INTERNATIONAL22FORM 160.55-O1 (604)CONDENSER SCREENOVERVIEWThis screen displays a cutaway view of the chiller con dens er. All setpoints relating

FORM 160.55-O1 (604)23YORK INTERNATIONALRefrigerant Level SetpointDisplays the setpoint to which the refrigerant level is being con trolled. Ramp Up T

YORK INTERNATIONAL24FORM 160.55-O1 (604)PURGE SCREEN00351VIPFIG. 8OVERVIEWThis screen displays a cutaway view of the Purge Tank. LED’s depict the stat

FORM 160.55-O1 (604)25YORK INTERNATIONALto 60. During this period, purge exhausts are counted and the Exhaust Count displayed is that which has oc- cu

YORK INTERNATIONAL26FORM 160.55-O1 (604)REFRIGERANT LEVEL CONTROL SCREENFIG. 900303VIPOVERVIEWThis screen displays a cutaway view of the chiller con-

FORM 160.55-O1 (604)27YORK INTERNATIONAL[Refrigerant Level Control] Proportional Limit CloseService Technicians refer to YORK Service Manual 160.55-M1

YORK INTERNATIONAL28FORM 160.55-O1 (604)COMPRESSOR SCREENOVERVIEWThis screen displays a cutaway view of the chiller com- pres sor, revealing the impel

FORM 160.55-O1 (604)29YORK INTERNATIONAL Full Load AmpsAccess Level Re quired: SER VICEDisplays the motor current as a percentage of the Full Load Amp

FORM 160.55-O1 (604)3YORK INTERNATIONALThis equipment is a relatively complicated apparatus. During installation, operation, maintenance or service, i

YORK INTERNATIONAL30FORM 160.55-O1 (604)OVERVIEWThis screen displays a cutaway view of the Hot Gas By pass Valve. All setpoints relating to Hot Gas By

FORM 160.55-O1 (604)31YORK INTERNATIONALin response to surge events detected by the compres-sor Variable Speed Drive Adaptive Capacity Control Board.

YORK INTERNATIONAL32FORM 160.55-O1 (604)OVERVIEW(This feature applies to Flash Memory Card ver sion C.MLM.02.02.xxx and later)This screen displays a c

FORM 160.55-O1 (604)33YORK INTERNATIONALPROGRAMMABLEShutdown (Enabled/Disabled)Access Level Required: OPERATORAllows the user to select whether the ch

YORK INTERNATIONAL34FORM 160.55-O1 (604)if the SURGE WINDOW COUNT is less than or equal to the COUNT LIMIT, this message and load inhibit are au to

FORM 160.55-O1 (604)35YORK INTERNATIONALTHIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT2

YORK INTERNATIONAL36FORM 160.55-O1 (604)PRE-ROTATION VANES CALIBRATION SCREENOVERVIEWThis screen displays a cutaway view of the chiller com- pres sor,

FORM 160.55-O1 (604)37YORK INTERNATIONALTHIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT2

YORK INTERNATIONAL38FORM 160.55-O1 (604)VSD TUNING SCREENOVERVIEWThis screen displays a cutaway view of the chiller com- pres sor, revealing the pre-r

FORM 160.55-O1 (604)39YORK INTERNATIONALOutput Current – Phase A, B, C(Flash Memory Card version C.MLM.02.02.xxx and later)Displays the phase current

YORK INTERNATIONAL4FORM 160.55-O1 (604)CHANGEABILITY OF THIS DOCUMENTIn complying with YORK’s policy for continuous prod uct improvement, the informat

YORK INTERNATIONAL40FORM 160.55-O1 (604)OIL SUMP SCREENOVERVIEWThis screen displays a close-up of the chiller oil sump. DISPLAY ONLYOil Sump Temperatu

FORM 160.55-O1 (604)41YORK INTERNATIONALELECTRO-MECHANICAL STARTER SCREENOVERVIEWThis screen displays all information pertaining to an Electro-Mechani

YORK INTERNATIONAL42FORM 160.55-O1 (604)MOD “A” SOLID STATE STARTER SCREENOVERVIEW This screen displays all information pertaining to the Mod “A” Soli

FORM 160.55-O1 (604)43YORK INTERNATIONALAllows the user to set a period of time for which the pulldown demand limit will be in effect after the chille

YORK INTERNATIONAL44FORM 160.55-O1 (604)MOD “B” SOLID STATE STARTER SCREEN00359VIPFIG. 18OVERVIEWThis screen displays all information pertaining to th

FORM 160.55-O1 (604)45YORK INTERNATIONALPulldown Demand LimitAccess Level Required: OPERATORAllows the user to specify the current limit val ue (as a

YORK INTERNATIONAL46FORM 160.55-O1 (604)VARIABLE SPEED DRIVE SCREENOVERVIEW This screen displays information per tain ing to a Vari able Speed Drive (

FORM 160.55-O1 (604)47YORK INTERNATIONALSupply Current Total Demand Distortion - L1, L2, L3Displays the Total Dynamic Distortion (TDD) for each of the

YORK INTERNATIONAL48FORM 160.55-O1 (604)VARIABLE SPEED DRIVE DETAILS SCREEN(STYLE D VSD AND VSD WITH PART NUMBER 371-03789-XXX (503 HP 60 HZ; 410 HP 5

FORM 160.55-O1 (604)49YORK INTERNATIONALInternal Ambient TemperatureDisplays the ambient temperature inside the VSD cab- i net as reported by the VSD.

FORM 160.55-O1 (604)5YORK INTERNATIONALSECTION 1 Description of System and Fundamentals of Operation... 7SECTION

YORK INTERNATIONAL50FORM 160.55-O1 (604)VARIABLE SPEED DRIVE DETAILS SCREEN(APPLICABLE TO VSD WITH PART NUMBER 371-02767-XXX (60 HZ) OR 371-03700-XXX

FORM 160.55-O1 (604)51YORK INTERNATIONALInternal Ambient TemperatureDisplays the ambient temperature inside the VSD cab- i net as reported by the VSD.

YORK INTERNATIONAL52FORM 160.55-O1 (604)ADAPTIVE CAPACITY CONTROL DETAILS SCREENOVERVIEW This screen displays more detailed in for ma tion per- tain i

FORM 160.55-O1 (604)53YORK INTERNATIONALPulldown Demand Limit Allows the user to specify the current limit val ue (as a percentage of FLA) to which th

YORK INTERNATIONAL54FORM 160.55-O1 (604)HARMONIC FILTER DETAILS SCREEN (STYLE D VSD AND VSD WITH PART NUMBER 371-03789-XXX (503 HP 60 HZ; 410 HP 50 H

FORM 160.55-O1 (604)55YORK INTERNATIONALHeatsink Temperature(Labeled “Baseplate Temperatures” on VSD with part number 371-03789-xxx {503HP 60Hz; 419HP

YORK INTERNATIONAL56FORM 160.55-O1 (604)HARMONIC FILTER DETAILS SCREEN(VSD WITH PART NUMBER 371-02767-XXX (60 HZ) OR 371-03700-XXX (50 HZ)) OVERVIEW

FORM 160.55-O1 (604)57YORK INTERNATIONALVoltage Peak ( N-L1, N-L2, N-L3 )Displays the 3-phase peak voltages as mea sured by the Harmonic Filter (Neutr

YORK INTERNATIONAL58FORM 160.55-O1 (604)SETPOINTS SCREENOVERVIEWThis screen provides a convenient location for pro gram -ming the most common setpoint

FORM 160.55-O1 (604)59YORK INTERNATIONALLocal Leaving Chilled Liquid Tem per a ture - SetpointAccess Level Required: OPERATORThis value allows th

YORK INTERNATIONAL6FORM 160.55-O1 (604)LIST OF FIGURES FIG. 1 – MODEL YT MILLENNIUM CHILLER... 7 FIG. 2 – REFRIGERANT F

YORK INTERNATIONAL60FORM 160.55-O1 (604)SETUP SCREENOVERVIEW This screen is the top level of the general con Þ g u ra tion pa ram e ters. It allows p

FORM 160.55-O1 (604)61YORK INTERNATIONALPROGRAMMABLESet DateAccess Level Re quired: OP ER A TORAllows the user to specify the present date. This valu

YORK INTERNATIONAL62FORM 160.55-O1 (604)ScheduleAccess Level Required: VIEWMoves to the subscreen allowing deÞ nition of the chill er operation schedu

FORM 160.55-O1 (604)63YORK INTERNATIONALTHIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT2

YORK INTERNATIONAL64FORM 160.55-O1 (604)SCHEDULE SCREENOVERVIEWThe schedule screen contains more pro gram ma ble val ues than a normal display screen.

FORM 160.55-O1 (604)65YORK INTERNATIONAL tion which enforces the scheduled starting and stop ping of the chiller.Repeat Sunday ScheduleAccess Level Re

YORK INTERNATIONAL66FORM 160.55-O1 (604)USER SCREENOVERVIEWThis screen allows deÞ nition of custom User ID’s and matching passwords. This allows the b

FORM 160.55-O1 (604)67YORK INTERNATIONAL2THIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT

YORK INTERNATIONAL68FORM 160.55-O1 (604)COMMS SCREENOVERVIEW(Screen shown from Flash Memory Card version C.MLM.02.02.xxx and later. Screen layout from

FORM 160.55-O1 (604)69YORK INTERNATIONAL2COM 2 Stop Bit(s)DeÞ ne the number of stop bits at which the panel shall com mu ni cate through the modem por

FORM 160.55-O1 (604)7YORK INTERNATIONALcombination Logic/Trigger Board that interfaces the Con trol Center with a serial communications link. Ear- li

YORK INTERNATIONAL70FORM 160.55-O1 (604)PRINTER SCREENOVERVIEWThis screen allows deÞ nition of the necessary com mu -ni ca tions parameters for the pr

FORM 160.55-O1 (604)71YORK INTERNATIONALNAVIGATIONHomeAccess Level Re quired: VIEWCauses an instant return to the Home Screen.SetupAccess Level Re qui

YORK INTERNATIONAL72FORM 160.55-O1 (604)SALES ORDER SCREENOVERVIEWThis screen allows deÞ nition of the sales order pa ram e ters. The Commissioning da

FORM 160.55-O1 (604)73YORK INTERNATIONALTHIS PAGE INTENTIONALLY LEFT BLANKTO MAINTAIN FORMAT2

YORK INTERNATIONAL74FORM 160.55-O1 (604)OPERATIONS SCREENOVERVIEW This screen allows deÞ nition of general pa ram e ters hav- ing to do with the opera

FORM 160.55-O1 (604)75YORK INTERNATIONAL2NAVIGATIONHomeAccess Level Re quired: VIEWCauses an instant return to the Home Screen.SetupAccess Level Re qu

YORK INTERNATIONAL76FORM 160.55-O1 (604)HISTORY SCREENOVERVIEW This screen allows the user to browse through the faults. In order to get a more thorou

FORM 160.55-O1 (604)77YORK INTERNATIONAL2TrendingAccess Level Re quired: VIEWCauses a move to a subscreen allowing the user to view trending data on s

YORK INTERNATIONAL78FORM 160.55-O1 (604)FIG. 34HISTORY DETAILS SCREENOVERVIEW This screen allows the user to see an on-screen printout of all the syst

FORM 160.55-O1 (604)79YORK INTERNATIONAL2SECURITY LOG SCREENOVERVIEW (This screen only available with Flash Memory Card version C.MLM.02.03.xxx and la

YORK INTERNATIONAL8FORM 160.55-O1 (604)FIG. 2 – REFRIGERANT FLOW-THRU CHILL ERPREROTATION VANES(See Detail A)SUCTIONCOOLERELIMINATOROIL COOLERLD00924F

YORK INTERNATIONAL80FORM 160.55-O1 (604)SECURITY LOG DETAILS SCREENOVERVIEW (This screen only available with Flash Memory Card version C.MLM.02.03.xxx

FORM 160.55-O1 (604)81YORK INTERNATIONALSecurity LogAccess Level Required: SERVICECauses an instant return to the Security Log Screen.View DetailsAcce

YORK INTERNATIONAL82FORM 160.55-O1 (604)TREND SCREEN00480VIPFIG. 37OVERVIEWAs many as six Operator selected parameters (Data Points) can be plotted in

FORM 160.55-O1 (604)83YORK INTERNATIONALDISPLAY ONLYThis screen allows the user to view the graphical trend- ing of the selected pa ram e ters and is

YORK INTERNATIONAL84FORM 160.55-O1 (604)TREND SETUP SCREENOVERVIEW This screen is used to conÞ gure the trending screen. The parameters to be trended

FORM 160.55-O1 (604)85YORK INTERNATIONALSelectAccess Level Required: OPERATORThis key is used to enter the slot numbers and the min- i mum and maximum

YORK INTERNATIONAL86FORM 160.55-O1 (604)OVERVIEW(Flash Memory Card version C.MLM.02.02.xxx and later)The desired data collection start/stop triggers a

FORM 160.55-O1 (604)87YORK INTERNATIONALPROGRAMMABLEPrimary TriggerAccess Level Required: OPERATOR Selects the Þ rst parameter to be evaluated. Select

YORK INTERNATIONAL88FORM 160.55-O1 (604)COMMON SLOTS SCREENOVERVIEWThis screen displays the slot numbers of the com-monly monitored parameters. The sl

FORM 160.55-O1 (604)89YORK INTERNATIONALCUSTOM VIEW SCREENOVERVIEW (Flash memory Card version C.MLM.02.01 or later)This screen allows up to 10 Service

FORM 160.55-O1 (604)9YORK INTERNATIONALSECTION 2OPTIVIEW CONTROL CEN TERINTRODUCTIONThe YORK OptiView Control Center is a mi cro pro -ces sor based co

YORK INTERNATIONAL90FORM 160.55-O1 (604)CUSTOM VIEW SETUPOVERVIEW(Flash memory Card version C.MLM.02.01 or later)This screen allows the Service techni

FORM 160.55-O1 (604)91YORK INTERNATIONALMASTER SLOT NUMBERS LIST FOR USE WITH TREND FEA TURE SLOT NO. DESCRIPTION 2

YORK INTERNATIONAL92FORM 160.55-O1 (604)SLOT NO. DESCRIPTION 2059 SubCooling: Temperature 2060 Drop Leg Refrigerant: Is Sensor Present 2061

FORM 160.55-O1 (604)93YORK INTERNATIONAL SLOT NO. DESCRIPTION 2871 Filter: Heatsink Temperature 2872 Filter: L1 - L2 RMS Voltage 2873 Fi

YORK INTERNATIONAL94FORM 160.55-O1 (604)DISPLAY MESSAGESThe Status Bar of the Display contains a Status Line and, beneath it a Details Line. The Statu

FORM 160.55-O1 (604)95YORK INTERNATIONAL“MOTOR PULLDOWN LIMIT” The Pulldown Demand Limit Setpoint timer is in ef fect and the Compressor Motor current

YORK INTERNATIONAL96FORM 160.55-O1 (604)ing. This message automatically clears and the Vanes are permitted to open when the Evap o ra tor pres sure in

FORM 160.55-O1 (604)97YORK INTERNATIONAL“WARNING – REFRIGERANT LEVEL OUT OF RANGE”(Flash Memory Card version C.MLM.02.02C.xxx and earlier) The output

YORK INTERNATIONAL98FORM 160.55-O1 (604)“LEAVING CHILLED LIQUID – LOW TEMPERATURE”The Leaving Chilled Liquid Temperature has de creased to the program

FORM 160.55-O1 (604)99YORK INTERNATIONAL“STARTER – HIGH SUPPLY LINE VOLTAGE” (Mod “A” Solid State Starter”)The voltage in any phase of the AC Power Li