Manuals / York / Household Appliance / Heat Pump

York YK M3 M3 G4 operation manual Table Of Contents, Reference Instructions, Description, Form No

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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		TABLE OF CONTENTS
			Page
SECTION 1	– Description of System and
		Fundamentals of Operation	4
SECTION 2	–	MicroComputer Control Center	6
SECTION 3	–	System Operating Procedures	30
SECTION 4	–	System Component Description	37
SECTION 5	–	Operational Maintenance	42
SECTION 6	–	Trouble Shooting	44
SECTION 7	–	Maintenance	49
SECTION 8	–	Preventive Maintenance	58

REFERENCE INSTRUCTIONS

DESCRIPTION	FORM NO.

Solid State Starter – Operation & Maintenance	160.46-OM3.1
Variable Speed Drive – Operation	160.00-O1
Installation	160.49-N5
Installation and Operation of Printers	160.49-N7
Wiring Diagram – Unit with Electro-Mechanical Starter	160.49-PW7
Wiring Diagram – Field Connections (E-M Starter)	160.49-PW10
Wiring Diagram – Field Control Modifications	160.49-PW13
Wiring Diagram – Control Center with SS Starter	160.49-PW8
Wiring Diagram – Field Connections (SS Starter)	160.49-PW11
Wiring Diagram – Solid State Starter	160.49-PW14
Wiring Diagram – Unit with Solid State Starter	160.49-PW8
Wiring Diagram – Unit with Variable Speed Drive	160.49-PW9
Wiring Diagram – Field Connections (V.S.D.)	160.49-PW12
Wiring Diagram – Variable Speed Drive	160.49-PW15

2	YORK INTERNATIONAL

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York YK M3 M3 G4 operation manual Table Of Contents, Reference Instructions, Description, Form No

FAQ

Where can I find the system operating procedures?

You can find the system operating procedures in Section 3 of the manual, on page 30.

What is covered in the preventive maintenance section?

The preventive maintenance section covers essential maintenance tasks to ensure optimal performance of the Heat Pump.

How can I troubleshoot common issues with the Heat Pump?

The troubleshooting section in Section 6 provides detailed instructions for troubleshooting common issues with the Heat Pump.

Contents

MILLENNIUM TM W ARNINGDESCRIPTION TABLE OF CONTENTSREFERENCE INSTRUCTIONS FORM NOR-134a NOMENCLATURER-22UNITS SECTION SYSTEM OPERATION DESCRIPTION See FigCAPACITY CONTROL SECTION MICROCOMPUTER CONTROL CENTER FIG. 3 - MICROCOMPUTER CONTROL CENTER AND KEYPADINTRODUCTION DISPLAYING SYSTEM PARAMETERS CONTROL CENTEROPERATION To Display OIL PRESSURE To Display CHILLED LIQUID TEMPERATURESTo Display REFRIGERANT PRESSURE To Display SSS MOTOR CURRENT / VOLTSTo Display OPERATING HOURS and STARTS COUNTER is displayedTo Display MOTOR CURRENT SYSTEM SETPOINTSPage DISPLAYING SYSTEM SETPOINTS To Display REMOTE RESET TEMP RANGE Setpoint Solid State Starter Applications OnlyTHE MICROCOMPUTER CONTROL CENTER PROGRAMMING1.Press ACCESS CODE key PROGRAMMING SYSTEM SETPOINTSElectro-MechanicalStarter, refer to Fig Solid State Starter, 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 SERVICE KEYS PRE-ROTATIONVANES KEYSOTHER SERVICE KEYS OPERATING MODES 1.Press ACCESS CODE keyCOMPRESSOR SWITCH DISPLAY MESSAGESTherefore SYSTEM SHUTDOWN MESSAGES when Control Center is in REMOTE mode Phase rotation/loss Solid State Starter applications only FUNCTIONJUMPER POSITION Solid State Starter applications onlySolid State Starter applications only MON XX XX AM - OPEN DRAIN TEMP THERMOCOUPLE MON XX XX AM - AUX SAFETY SHUTDOWNMON XX XX AM - HIGH SPEED DRAIN TEMP MON XX XX AM - DC UNDERVOLTAGESECTION fused disconnect switch to the starter orSTART-UPPROCEDURE and remains energized as long as theCHILLER OPERATION Condenser Water Temperature Control SYSTEM STARTING & SHUTDOWN SEQUENCEOPERATOR INITIATED CHECKING OPERATION OPERATING LOG SHEETWeekly OPERATING INSPECTIONS - See SectionDaily QuarterlySAFETY SHUTDOWNS NEED FOR MAINTENANCE OR SERVICENORMAL AND SAFETY SYSTEM SHUTDOWNS CYCLING SHUTDOWNSPROLONGED SHUTDOWN START-UPAFTER PROLONGED SHUTDOWNFRONT VIEW SECTIONSYSTEM COMPONENTS DESCRIPTION 27385ACAPACITY CONTROL GENERALCOMPRESSOR COMPRESSOR LUBRICATION SYSTEM See FigLD00951 HEAT EXCHANGERS OIL HEATERMOTOR DRIVELINE REFRIGERANT FLOW CONTROLVARIABLE SPEED DRIVE Optional MICROCOMPUTER CONTROL CENTER See SectionSOLID STATE STARTER Optional ACTUAL LEVEL = XXX% LEVEL SETP = XXX%OIL RETURN SYSTEM OPERATIONAL MAINTENANCESECTION OIL CHARGING PROCEDURE THE OIL CHARGETROUBLESHOOTING SECTIONYORK INTERNATIONAL YORK INTERNATIONAL 3. SYMPTOM HIGH COOLER PRESSURE 1. SYMPTOM ABNORMALLY HIGH DISCHARGE PRESSURE2. SYMPTOM ABNORMALLY LOW SUCTION PRESSURE RESULTSRESULTS 7. SYMPTOM OIL PUMP VIBRATES OR IS NOISY11. SYMPTOM REDUCED OIL PUMP CAPACITY POSSIBLE CAUSERENEWAL PARTS LEAK TESTING DURING OPERATIONSECTION CHECKING SYSTEM FOR LEAKSVACUUM TESTING VACUUM DEHYDRATION DURING UNIT SHUTDOWN REFRIGERANT CHARGINGCHECKING THE REFRIGERANT CHARGE HANDLING REFRIGERANT FOR DISMANTLING AND REPAIRS MEGGING THE MOTOROpen Motors LD00476COMMERCIAL ACID CLEANING CLEANING COOLER AND CONDENSER TUBESTUBE CLEANING PROCEDURES GENERALTESTING FOR COOLER AND CONDENSER TUBE LEAKS COMPRESSOR ELECTRICAL CONTROLSCOMPRESSOR PRESSURE TESTINGSECTION COMPRESSOR MOTORELECTRICAL CONTROLS ALL RIGHTS RESERVED P.O. Box 1592, York, Pennsylvania USACopyright by York International Corporation Form 160.49-O21296