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York YK M3 M3 G4 THRU YK S6 S4 J2, YK LB LB G4 THRU YK SE SC J4 Nomenclature, R-22UNITS, R-134a

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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NOMENCLATURE

FORM 160.49-O2

NOMENCLATURE

R-22 UNITS

YK N2 N1 H1 – CX C

DESIGN LEVEL (C)

{

MOTOR CODE:

60 HZ

50 HZ

POWER SUPPLY

CH

CX

5CE

5CT

– for 60 HZ

CJ

CY

5CF

5CU

CK

CZ

5CG

5CV

5 for 50 HZ

CL

CA

5CH

5CW

COMPRESSOR CODE

CM

CB

5CI

5CX

CN

DA

5CJ

5DA

G4, H0, H1, H2, J1, J2

CP

DB

5CK

5DB

CR

DC

5CL

5DC

CONDENSER CODE

CS

DD

5CM

5DD

M3, M4, N3, N4, P3, P4, Q3, Q4, R3, R4, S3, S4

CT

DE

5CN

5DE

CU

DF

5CO

5OF

COOLER CODE

CV

DH

5CP

5OG

CW

DJ

5CQ

5OH

M3, M4, N3, N4, P3, P4, P5, P6, Q3, Q4, Q5, Q6,

5CR

5OJ

R3, R4, R5, R6, S5, S6

5CS

MODEL

R-134a

YK NB PB H1 – CX C

DESIGN LEVEL (C)

POWER SUPPLY

– for 60 HZ 5 for 50 HZ

COMPRESSOR CODE

G4, H0, H1, H2, J1, J2, J3, J4

CONDENSER CODE

LB, LC, MB, MC, NB, NC,

PB, PC, QB, QC, RB, RC, SB, SC

COOLER CODE

LB, LC, MB, MC, NB, NC, PB, PC, PD, PE,

QB, QC, QD, QE, RB, RC, RD, RE, SD, SE

MODEL

{		MOTOR CODE:
{	60 HZ		50 HZ
	CH	CX	5CE		5CT
	CJ	CY	5CF		5CU
	CK	CZ	5CG		5CV
	CL	CA	5CH		5CW
	CM	CB	5CI		5CX
	CN	DA	5CJ		5DA
	CP	DB	5CK		5DB
	CR	DC	5CL		5DC
	CS	DD	5CM		5DD
	CT	DE	5CN		5DE
	CU	DF	5CO		5DF
	CV	DH	5CP		5DG
	CW	DJ	5CQ		5DH
			5CR		5OJ
			5CS

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 Nomenclature, R-22UNITS, R-134a

FAQ

What is the power supply for 60 HZ?

The power supply for 60 HZ is CH, CX, 5CE, 5CT.

Which cooler code is compatible with R-134a?

The cooler codes LB, LC, MB, MC, NB, NC, PB, PC, PD, PE, QB, QC, QD, QE, RB, RC, RD, RE, SD, SE are compatible with R-134a.

Where can I find the compressor code for R-22 units?

The compressor code for R-22 units can be found in the manual under the section 'Compressor Code G4,H0,H1,H2,J1,J2'.

Contents

W ARNING MILLENNIUM TMFORM NO TABLE OF CONTENTSREFERENCE INSTRUCTIONS DESCRIPTIONNOMENCLATURE R-22UNITSR-134a SYSTEM OPERATION DESCRIPTION See Fig SECTIONCAPACITY CONTROL FIG. 3 - MICROCOMPUTER CONTROL CENTER AND KEYPAD SECTION MICROCOMPUTER CONTROL CENTERINTRODUCTION CONTROL CENTER OPERATIONDISPLAYING SYSTEM PARAMETERS To Display SSS MOTOR CURRENT / VOLTS To Display CHILLED LIQUID TEMPERATURESTo Display REFRIGERANT PRESSURE To Display OIL PRESSURESYSTEM SETPOINTS is displayedTo Display MOTOR CURRENT To Display OPERATING HOURS and STARTS COUNTERPage DISPLAYING SYSTEM SETPOINTS Solid State Starter Applications Only To Display REMOTE RESET TEMP RANGE SetpointPROGRAMMING SYSTEM SETPOINTS PROGRAMMING1.Press ACCESS CODE key THE MICROCOMPUTER CONTROL CENTERSolid 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 Solid State Starter applications only FUNCTIONJUMPER POSITION Solid State Starter applications onlySolid State Starter applications only MON XX XX AM - DC UNDERVOLTAGE MON XX XX AM - AUX SAFETY SHUTDOWNMON XX XX AM - HIGH SPEED DRAIN TEMP MON XX XX AM - OPEN DRAIN TEMP THERMOCOUPLEand remains energized as long as the fused disconnect switch to the starter orSTART-UPPROCEDURE SECTIONCHILLER OPERATION Condenser Water Temperature Control SYSTEM STARTING & SHUTDOWN SEQUENCEOPERATOR INITIATED OPERATING LOG SHEET CHECKING OPERATIONQuarterly OPERATING INSPECTIONS - See SectionDaily WeeklyCYCLING SHUTDOWNS NEED FOR MAINTENANCE OR SERVICENORMAL AND SAFETY SYSTEM SHUTDOWNS SAFETY SHUTDOWNSSTART-UPAFTER PROLONGED SHUTDOWN PROLONGED SHUTDOWN27385A SECTIONSYSTEM COMPONENTS DESCRIPTION FRONT VIEWCOMPRESSOR LUBRICATION SYSTEM See Fig GENERALCOMPRESSOR CAPACITY CONTROLLD00951 REFRIGERANT FLOW CONTROL OIL HEATERMOTOR DRIVELINE HEAT EXCHANGERSACTUAL LEVEL = XXX% LEVEL SETP = XXX% MICROCOMPUTER CONTROL CENTER See SectionSOLID STATE STARTER Optional VARIABLE SPEED DRIVE OptionalOPERATIONAL MAINTENANCE SECTIONOIL RETURN SYSTEM THE OIL CHARGE OIL CHARGING PROCEDURESECTION TROUBLESHOOTINGYORK INTERNATIONAL YORK INTERNATIONAL RESULTS 1. SYMPTOM ABNORMALLY HIGH DISCHARGE PRESSURE2. SYMPTOM ABNORMALLY LOW SUCTION PRESSURE 3. SYMPTOM HIGH COOLER PRESSUREPOSSIBLE CAUSE 7. SYMPTOM OIL PUMP VIBRATES OR IS NOISY11. SYMPTOM REDUCED OIL PUMP CAPACITY RESULTSCHECKING SYSTEM FOR LEAKS LEAK TESTING DURING OPERATIONSECTION RENEWAL PARTSVACUUM TESTING VACUUM DEHYDRATION REFRIGERANT CHARGING CHECKING THE REFRIGERANT CHARGEDURING UNIT SHUTDOWN MEGGING THE MOTOR HANDLING REFRIGERANT FOR DISMANTLING AND REPAIRSLD00476 Open MotorsGENERAL CLEANING COOLER AND CONDENSER TUBESTUBE CLEANING PROCEDURES COMMERCIAL ACID CLEANINGTESTING FOR COOLER AND CONDENSER TUBE LEAKS ELECTRICAL CONTROLS COMPRESSORCOMPRESSOR MOTOR PRESSURE TESTINGSECTION COMPRESSORELECTRICAL CONTROLS Form 160.49-O21296 P.O. Box 1592, York, Pennsylvania USACopyright by York International Corporation ALL RIGHTS RESERVED