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York YCAL0014SC, YCAL0080SC manual Unit Controls

Models: YCAL0080SC YCAL0014SC

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Unit Controls

20sec. unloading

30sec. unloading

60sec. unloading

control range

(no compressor staging)

60sec. loading

	LWT	42.5°F	43.5°F	44.0°F	46.0°F	48.0°
	LWT	(5.8°C)	(6.4°C)	(6.7°C)	(7.8°C)	(8.9°C)
		(5.8°C)	(6.4°C)	(6.7°C)	(7.8°C)	(8.9°C)
				Low Limit	Setpoint	High limit

Leaving Water Temp. Control – Compressor Staging

Setpoint = 46.0°F (7.8°C) Range = +/- 2°F(1.1°C)

FIG. 6 – LEAVING WATER TEMPERATURE CONTROL

TABLE 32 – LEAVING CHILLED LIQUID CONTROL FOR 6 COMPRESSORS (8 STEPS)

	LEAD SYSTEM					LAG SYSTEM

*STEP	COMP 1	COMP 2	COMP 3		COMP 1		COMP 2		COMP 3
0	OFF	OFF	OFF		OFF		OFF		OFF
1	ON+HG	OFF	OFF	SEE NOTE 1	OFF		OFF		OFF
2	ON	OFF	OFF		OFF		OFF		OFF
3	ON	OFF	OFF	SEE NOTE 2	ON		OFF		OFF
4	ON	ON	OFF	SEE NOTE 3	OFF		OFF		OFF
5	ON	ON	OFF		ON		OFF		OFF
6	ON	ON	OFF		ON		ON		OFF
7	ON	ON	ON		ON		ON		OFF
8	ON	ON	ON		ON		ON		ON

TABLE 33 – LEAVING CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS)

	LEAD SYSTEM				LAG SYSTEM
*STEP	COMP 1	COMP 2		COMP 1		COMP 2
0	OFF	OFF		OFF		OFF
1	ON+HG	OFF	SEE NOTE 1	OFF		OFF
2	ON	OFF		OFF		OFF
3	ON	OFF	SEE NOTE 2	ON		OFF
4	ON	ON	SEE NOTE 3	OFF		OFF
5	ON	ON		ON		OFF
6	ON	ON		ON		ON

* STEP can be viewed using the OPER DATA key and scrolling to COOLING DEMAND.

86	YORK INTERNATIONAL

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York YCAL0014SC, YCAL0080SC manual Unit Controls

Contents

MILLENNIUM AIR-COOLEDLIQUID CHILLERS HERMETIC SCROLLYCAL0014SC - YCAL0080SC Standard, Glycol & Metric Models, CombinedREAD BEFORE PROCEEDING GENERAL SAFETY GUIDELINESSAFETY SYMBOLS YORK INTERNATIONAL CHANGEABILITY OF THIS DOCUMENTFORM 150.62-NM1 SECTION TABLE OF CONTENTS AND TABLESSECTION SECTIONTABLES AND FIGURES TABLESFIGURES TABLES/FIGURESTABLES BASIC MODEL NUMBER PRODUCT IDENTIFICATION NUMBER PINYCAL0080SC46xAA OPTIONS MODEL NUMBER PRODUCTIDENTIFICATION NUMBER AIR COOLED CONDENSERS REFRIGERANT FLOW DIAGRAMFIG. 1 – REFRIGERANT FLOW DIAGRAM INSTALLATION CHECK LIST INSTALLATIONInstallation HANDLINGROOFTOP LOCATIONS FOUNDATIONGROUND LEVEL LOCATIONS NOISE SENSITIVE LOCATIONSInstallation WIRINGEVAPORATOR PUMP START CONTACTS ALARM STATUS CONTACTSFLOW SWITCH INPUT SYSTEM RUN CONTACTSInstallation STANDARD POWER SUPPLY WIRING – 0014 -Power Panel Circuit # 1 *Circuit #Control Panel Flow SwitchField Unit Power Supply CTB2Installation OPTIONAL SINGLE-POINTPOWER SUPPLY WIRINGN-FDISC SW OR CIRC BKR 0014 - FIG. 4 – OPTIONAL SINGLE POINT POWER WIRINGCHILLED LIQUID FREEZING CONTROL WIRINGCTB1 NOTES ELECTRICAL NOTESInstallation ELECTRICAL NOTES 17= 28= 40= 46= 58= LEGEND: Field WiringFactory Wiring VOLTAGE CODETABLE 1 – MICROPANEL POWER SUPPLY ELECTRICAL DATAInstallation TABLE 2 – STANDARD SINGLE POINT POWER ELECTRICAL DATA – STANDARD SINGLE POINT POWERYCAL0014SC - YCAL0034SC Installation ELECTRICAL DATA – STANDARD DUAL POINT POWERYCAL0040SC - YCAL0080SC TABLE 3 – STANDARD DUAL POINT POWERMIN N/F ELECTRICAL DATA – STANDARD DUAL POINT POWERYCAL0040SC - YCAL0080SC TABLE 4 – OPTIONAL SINGLE POINT POWER ELECTRICAL DATA – OPTIONAL SINGLE POINT POWERInstallation YCAL0014SC - YCAL0034SCSYSTEM #1 COMPRESSOR & FAN ELECTRICAL DATA – OPTIONAL SINGLE POINT POWERYCAL0014SC - YCAL0034SC Installation YCAL0040SC - YCAL0060SCELECTRICAL DATA – OPTIONAL SINGLE POINT POWER TABLE 5 - OPTIONAL SINGLE POINT POWERCOMPR. #1 ELECTRICAL DATA – OPTIONAL SINGLE POINT POWERYCAL0040SC - YCAL0060SC Installation YCAL0064SC - YCAL0080SCELECTRICAL DATA – OPTIONAL SINGLE POINT POWER TABLE 6 – OPTIONAL SINGLE POINT POWERFORM 150.62-NM1 ELECTRICAL DATA – OPTIONAL SINGLE POINT POWERYCAL0064SC - YCAL0080SC VOLTAGE LIMITATIONS OPERATIONAL LIMITATIONS ENGLISHInstallation TABLE 8 – VOLTAGESCooler Pressure Drop YCAL0030 OPERATIONAL LIMITATIONS ENGLISHCooler Pressure Drop YCAL0034 OPERATIONAL LIMITATIONS METRIC VOLTAGE LIMITATIONSCooler Pressure Drop YCAL0034 OPERATIONAL LIMITATIONS METRICCooler Press. Drop YCAL0030 TABLE 13 – COOLER PRESSURE DROP CURVESTABLE 15 – PHYSICAL DATA ENGLISH PHYSICAL DATA ENGLISH YCAL0014SC - YCAL0080SCInstallation PHYSICAL DATA ENGLISH YCAL0014SC - YCAL0080SCTABLE 16 – PHYSICAL DATA METRIC PHYSICAL DATA METRIC YCAL0014SC - YCAL0080SCInstallation PHYSICAL DATA METRIC YCAL0014SC - YCAL0080SCDIMENSIONS ENGLISH YCAL0014SC - YCAL0020SC InstallationDIMENSIONS ENGLISH YCAL0014SC - YCAL0020SC TABLE 17 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYRefers to Model YCAL0030SC DIMENSIONS ENGLISH YCAL0024SC - YCAL0034SCInstallation Refers to Model YCAL0034SCDIMENSIONS ENGLISH YCAL0024SC - YCAL0034SC TABLE 18 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYLD03850 DIMENSIONS ENGLISH YCAL0040SC - YCAL0060SCInstallation DIMENSIONS ENGLISH YCAL0040SC - YCAL0060SC TABLE 19 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYLD03852 DIMENSIONS ENGLISH YCAL0064SC - YCAL0080SCInstallation DIMENSIONS ENGLISH YCAL0064SC - YCAL0080SC TABLE 20 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYDIMENSIONS METRIC YCAL0014SC - YCAL0020SC InstallationDIMENSIONS METRIC YCAL0014SC - YCAL0020SC TABLE 21 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYLD03856 DIMENSIONS METRIC YCAL0024SC - YCAL0034SCInstallation DIMENSIONS METRIC YCAL0024SC - YCAL0034SC TABLE 22 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYDIMENSIONS METRIC YCAL0040SC - YCAL0060SC InstallationDIMENSIONS METRIC YCAL0040SC - YCAL0060SC TABLE 23 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYLD03860 DIMENSIONS METRIC YCAL0064SC - YCAL0080SCInstallation DIMENSIONS METRIC YCAL0064SC - YCAL0080SC TABLE 24 – WEIGHT DISTRIBUTION/CENTER OF GRAVITYINSTALLING PRE-STARTUPCHECKLISTInstallation START-UPDATE : _________________________INITIAL START-UP CHECKING SUPERHEAT AND SUBCOOLINGSYS 1 SYS InstallationSYS 1 SYS LEAK CHECKINGUNIT OPERATING SEQUENCE INTRODUCTION UNIT CONTROLS YORK MILLENNIUM CONTROL CENTERUnit Controls MICROPROCESSOR BOARDDISPLAY UNIT SWITCHBATTERY BACK-UP KEYPADGENERAL STATUS MESSAGES “STATUS” KEYUnit Controls S Y S SYSTEM SAFETIES FAULT STATUS MESSAGESUnit Controls UNIT SAFETIES U N I T F A U L T L O W A M B I E N T T E M P Unit ControlsUNIT WARNING U N I T F A U L T L O W L I Q U I D T E M PTABLE 26 – STATUS KEY MESSAGES STATUS KEY MESSAGESLow Battery Check Prog/Step/Optn Unit Warning MessageOPER DATA Key DISPLAY/PRINT KEYSUnit Controls The minimum limits for the display are Unit Controls ISN - YorkTalk via ISN Remote ModeOPER DATA Quick Reference List Oper Data KeyUnit Controls OPERATING DATA PRINTOUTHISTORY PRINTOUT HISTORY DISPLAYSUnit Controls U L TENTER/ADV key “ENTRY” KEYSUP AND DOWN ARROW KEYS COOLING SETPOINTS “SETPOINTS” KEYSUnit Controls leaving chilled water control Unit Controls leaving chilled liquid controlSCHEDULE/ADVANCE DAY key Unit Controls PROGRAM keyTABLE 29 - PROGRAM KEY LIMITS AND DEFAULTS TABLE 30 – SETPOINTS QUICK REFERENCE LIST Quick Reference Programming ChartUnit Controls Setpoints Section“UNIT” KEYS OPTIONS keyUnit Controls Option 5 – Ambient Control TypeCLOCK Clock Unit ControlsOptions Key press key to adv LEAVING CHILLED LIQUID CONTROL UNIT OPERATIONCAPACITY CONTROL Unit Controls STEP DUAL SYSTEM 4 AND 6 COMP UNITS ONLY Unit ControlsRETURN CHILLED LIQUID CONTROL Cooling Setpoint = 45 F 7.2 C Range = 10 F 5.6 C Compressor Staging for Return Water Control –6 Compressors EVAPORATOR HEATER CONTROL Unit ControlsEVAPORATOR PUMP CONTROL CONDENSER FAN CONTROLLOW AMBIENT CONDENSER FAN CONTROL PUMPDOWN LLSV CONTROL ALARM STATUSUnit Controls LOAD LIMITINGEMS-PWMREMOTE TEMPERATURE RESET BAS/EMS TEMPERATURE RESET OPTIONUnit Controls FIG. 7 – FIELD AND FACTORY ELECTRICAL CONNECTIONSSERVICE MODE - DIGITAL OUTPUTS SERVICE AND TROUBLESHOOTINGSERVICE MODE CLEARING HISTORY BUFFERSService and Troubleshooting TABLE 45 – MICROBOARD ANALOG INPUTS Sys 1 Low Press SwitchTABLE 44 – MICROBOARD BINARY INPUTS TABLE 46 – MICROBOARD OUTPUTSTB1TB2 TB5 TB4 CLOCK ON/OFF JUMPER TB3 J9 Service and TroubleshootingFIG. 8 – MICROBOARD LAYOUT J4 J8 J6 J5 J7ANALOG INPUTS – Temperature CHECKING INPUTS AND OUTPUTS BINARY INPUTSService and Troubleshooting TABLE 48 – ENTERING AND LEAVING CHILLEDANALOG INPUTS – Pressure Service and Troubleshooting DIGITAL OUTPUTSKEYPAD Assembly and Wiring OPTIONAL PRINTER INSTALLATIONService and Troubleshooting PartsSOLUTION TROUBLESHOOTINGPROBLEM Service beforeFAULT CONT’D Service and TroubleshootingPROBLEM PRESSURE” FAULT“MP / HPCO” FAULT PROBLEMSOLUTION CAUSEMAINTENANCE Service and TroubleshootingTRANSMITTED DATA ISN CONTROLRECEIVED DATA CONTROL DATA Service and Troubleshooting TABLE 53 – ISN TRANSMITTED DATATABLE 54 – ISN OPERATIONAL AND FAULT CODES ELEMENTARY DIAGRAM YCAL0014SC – YCAL0030SC Wiring DiagramsLD03531 ELEMENTARY DIAGRAM YCAL0014SC – YCAL0030SCFIG. 11 – ELEMENTARY DIAGRAM Cont’d FIG. 12 – ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0014SC – YCAL0030SCWiring Diagrams LD03532YORK INTERNATIONAL This page intentionally left blankFORM 150.62-NM1 FIG. 13 – ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0034SCWiring Diagrams LD03533 ELEMENTARY DIAGRAM YCAL0034SCFIG. 13 – ELEMENTARY DIAGRAM Cont’d FIG. 14 – ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0034SCWiring Diagrams LD03534YORK INTERNATIONAL This page intentionally left blankFORM 150.62-NM1 FIG. 15 – ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0040SC – YCAL0060SCWiring Diagrams LD03535 ELEMENTARY DIAGRAM YCAL0040SC - YCAL0060SCFIG. 15 – ELEMENTARY DIAGRAM Cont’d FIG. 16 – ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0040SC – YCAL0060SCWiring Diagrams LD03536 ELEMENTARY DIAGRAM YCAL0040SC – YCAL0060SCFIG. 16 – ELEMENTARY DIAGRAM Cont’d FIG. 17 – ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0064SC – YCAL0080SCWiring Diagrams LD03537 ELEMENTARY DIAGRAM YCAL0064SC – YCAL0080SCFIG. 17 – ELEMENTARY DIAGRAM Cont’d FIG. 18 - ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCAL0064SC – YCAL0080SCWiring Diagrams LD03538 ELEMENTARY DIAGRAM YCAL0064SC – YCAL0080SCFIG. 18 – ELEMENTARY DIAGRAM Cont’d ALUMINUM FINS APPENDIXAppendix 1 – Isolators ISOLATOR SPRING IDENTIFICATION TABLEISOLATOR SPRING IDENTIFICATION TABLE APPENDIXCOPPER FINS FIG. 19 – TYPE CP APPENDIX DIMENSIONSAppendix 1 – Isolators FIG. 20 – TYPE CPAPPENDIX DIMENSIONS FIG. 21 – R SPRING SEISMIC ISOLATORSAppendix 1 – Isolators INSTALLATION AND ADJUSTING INSTALLATIONSAPPENDIX TYPE CP MOUNTING“AEQM” SPRING-FLEXMOUNTING INSTALLATION AND ADJUSTMENT INSTRUCTIONSAPPENDIX ALABAMA YORK INTERNATIONAL This page intentionally left blankFORM 150.62-NM1 Subject to change without notice. Printed in USA P.O. Box 1592, York, Pennsylvania USATele. Copyright by York International Corporation