Manuals / York / Household Appliance / Heat Pump

York YK M3 M3 G4 THRU YK S6 S4 J2, YK LB LB G4 THRU YK SE SC J4 operation manual

Models: YK M3 M3 G4 THRU YK S6 S4 J2, YK LB LB G4 THRU YK SE SC J4 YK M3 M3 G4

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To Display REMOTE RESET TEMP RANGE Setpoint:

TUE START = 05:00 AM	STOP = 07:00 PM

WED START = 05:00 AM	STOP = 07:00 PM

THU START = 05:00 AM	STOP = 07:00 PM

FRI START = 05:00 AM	STOP = 07:00 PM

SAT START = 05:00 AM	STOP = 01:00 PM

HOL START = 00:00 AM	STOP = 00:00 PM

FORM 160.49-O2

To Display UNDERVOLTAGE setpoints:

(Solid State Starter Applications Only)

Press SSS MOTOR CURRENT/VOLTS key in PRO- GRAM mode to display the selected voltage range. One of the following messages will be displayed.

SUPPLY VOLTAGE RANGE 380

To Display HOLIDAY Setpoints:

Use HOLIDAY setpoint key as described in the be- ginning of this section to produce the following mes- sage:

S_ M_ T_ W_ T_ F_ S_ HOLIDAY NOTED BY *

NOTE: On the days that are designated by an *, the chiller will automatically start and stop per the holiday schedule established in DAILY SCHED- ULE setpoints.

To Display REMOTE RESET TEMP RANGE Setpoint:

Use REMOTE RESET TEMP RANGE setpoint key as described above to produce the following mes- sage:

REMOTE RESET TEMP RANGE = 10°F

– or –

REMOTE RESET TEMP RANGE = 20°F

To Display DATA LOGGER setpoints:

Refer to YORK, Form 160.49-N7 for operation of this key.

– or –

SUPPLY VOLTAGE RANGE 400

– or –

SUPPLY VOLTAGE RANGE 415

– or –

SUPPLY VOLTAGE RANGE 440-480

– or –

SUPPLY VOLTAGE RANGE 550-600

– or –

SUPPLY VOLTAGE RANGE DISABLED

A special access code is required to program the Sup- ply Voltage Range. The Supply Voltage Range is pro- grammed at the factory and checked at system start-up. (Note to service technician: Refer to programming in- structions in Service Instruction, Form 160.49-M3.)

YORK INTERNATIONAL

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York YK M3 M3 G4 THRU YK S6 S4 J2, YK LB LB G4 THRU YK SE SC J4 operation manual Solid State Starter Applications Only

FAQ

How to display undervoltage setpoints?

Press SSS MOTOR CURRENT/VOLTS key in PRO-GRAM mode to display the selected voltage range.

How to display holiday setpoints?

Use HOLIDAY setpoint key as described in the beginning of this section to produce the holiday schedule message.

How to display remote reset temp range setpoint?

Use REMOTE RESET TEMP RANGE setpoint key to display the remote reset temperature range message.

Contents

W ARNING MILLENNIUM TMREFERENCE INSTRUCTIONS TABLE OF CONTENTSDESCRIPTION FORM NOR-22UNITS NOMENCLATURER-134a SYSTEM OPERATION DESCRIPTION See Fig SECTIONCAPACITY CONTROL FIG. 3 - MICROCOMPUTER CONTROL CENTER AND KEYPAD SECTION MICROCOMPUTER CONTROL CENTERINTRODUCTION OPERATION CONTROL CENTERDISPLAYING SYSTEM PARAMETERS To Display REFRIGERANT PRESSURE To Display CHILLED LIQUID TEMPERATURESTo Display OIL PRESSURE To Display SSS MOTOR CURRENT / VOLTSTo Display MOTOR CURRENT is displayedTo Display OPERATING HOURS and STARTS COUNTER SYSTEM SETPOINTSPage DISPLAYING SYSTEM SETPOINTS Solid State Starter Applications Only To Display REMOTE RESET TEMP RANGE Setpoint1.Press ACCESS CODE key PROGRAMMINGTHE MICROCOMPUTER CONTROL CENTER PROGRAMMING SYSTEM SETPOINTSSolid State Starter, refer to Fig Electro-MechanicalStarter, refer to FigTo Enter PULL DOWN DEMAND Setpoint Refer to Fig 3.Press and release ADVANCE DAY/SCROLL key.The following prompt message is displayed To Enter REMOTE/ RESET TEMP RANGE Setpoint Refer to Fig PRE-ROTATIONVANES KEYS SERVICE KEYSOTHER SERVICE KEYS 1.Press ACCESS CODE key OPERATING MODESDISPLAY MESSAGES COMPRESSOR SWITCHTherefore SYSTEM SHUTDOWN MESSAGES when Control Center is in REMOTE mode Phase rotation/loss JUMPER POSITION FUNCTIONSolid State Starter applications only Solid State Starter applications onlySolid State Starter applications only MON XX XX AM - HIGH SPEED DRAIN TEMP MON XX XX AM - AUX SAFETY SHUTDOWNMON XX XX AM - OPEN DRAIN TEMP THERMOCOUPLE MON XX XX AM - DC UNDERVOLTAGESTART-UPPROCEDURE fused disconnect switch to the starter orSECTION and remains energized as long as theCHILLER OPERATION OPERATOR INITIATED SYSTEM STARTING & SHUTDOWN SEQUENCECondenser Water Temperature Control OPERATING LOG SHEET CHECKING OPERATIONDaily OPERATING INSPECTIONS - See SectionWeekly QuarterlyNORMAL AND SAFETY SYSTEM SHUTDOWNS NEED FOR MAINTENANCE OR SERVICESAFETY SHUTDOWNS CYCLING SHUTDOWNSSTART-UPAFTER PROLONGED SHUTDOWN PROLONGED SHUTDOWNSYSTEM COMPONENTS DESCRIPTION SECTIONFRONT VIEW 27385ACOMPRESSOR GENERALCAPACITY CONTROL COMPRESSOR LUBRICATION SYSTEM See FigLD00951 MOTOR DRIVELINE OIL HEATERHEAT EXCHANGERS REFRIGERANT FLOW CONTROLSOLID STATE STARTER Optional MICROCOMPUTER CONTROL CENTER See SectionVARIABLE SPEED DRIVE Optional ACTUAL LEVEL = XXX% LEVEL SETP = XXX%SECTION OPERATIONAL MAINTENANCEOIL RETURN SYSTEM THE OIL CHARGE OIL CHARGING PROCEDURESECTION TROUBLESHOOTINGYORK INTERNATIONAL YORK INTERNATIONAL 2. SYMPTOM ABNORMALLY LOW SUCTION PRESSURE 1. SYMPTOM ABNORMALLY HIGH DISCHARGE PRESSURE3. SYMPTOM HIGH COOLER PRESSURE RESULTS11. SYMPTOM REDUCED OIL PUMP CAPACITY 7. SYMPTOM OIL PUMP VIBRATES OR IS NOISYRESULTS POSSIBLE CAUSESECTION LEAK TESTING DURING OPERATIONRENEWAL PARTS CHECKING SYSTEM FOR LEAKSVACUUM TESTING VACUUM DEHYDRATION CHECKING THE REFRIGERANT CHARGE REFRIGERANT CHARGINGDURING UNIT SHUTDOWN MEGGING THE MOTOR HANDLING REFRIGERANT FOR DISMANTLING AND REPAIRSLD00476 Open MotorsTUBE CLEANING PROCEDURES CLEANING COOLER AND CONDENSER TUBESCOMMERCIAL ACID CLEANING GENERALTESTING FOR COOLER AND CONDENSER TUBE LEAKS ELECTRICAL CONTROLS COMPRESSORSECTION PRESSURE TESTINGCOMPRESSOR COMPRESSOR MOTORELECTRICAL CONTROLS Copyright by York International Corporation P.O. Box 1592, York, Pennsylvania USAALL RIGHTS RESERVED Form 160.49-O21296