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U-Line ULN-SS1095 Refrigeration System Diagnosis Guide, Troubleshooting, Suction, Compressor

Models: ULN-SS1095 ADA15IM ULN-29R U-CO1175 BI-2115 ULN-95 U-CO29F ULN-98 U-CO29A U-1075WC U-1075BEV SP 18

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REFRIGERATION SYSTEM DIAGNOSIS GUIDE

Section 2 - Troubleshooting

REFRIGERATION SYSTEM DIAGNOSIS GUIDE

System	Suction	Suction	Compressor	Condenser	Capillary	Evaporator	Wattage
Condition	Pressure	Line	Discharge		Tube
Condition


Normal	Normal	Slightly below	Very hot	Very hot	Warm	Cold	Normal
		room
		temperature

Overcharge	Higher than	Very cold may	Slightly warm	Hot to warm	Cool	Cold	Higher than
	normal	frost heavily	to hot				normal

Undercharge	Lower than	Warm-near	Hot	Warm	Warm	Extremely	Lower than
	normal	room				cold near	normal
		temperature				inlet - Outlet
						below room
						temperature

Partial	Somewhat	Warm - near	Very hot	Top passes	Room	Extremely	Lower than
Restriction	lower than	room		warm - Lower	temperature	cold near	normal
	normal	temperature		passes cool	(cool) or	inlet - Outlet
	vacuum			(near room	colder	below room
				temperature)		temperature
				due to liquid		backing up

Complete	In deep	Room	Room	Room	Room	No	Lower than
Restriction	vacuum	temperature	temperature	temperature	temperature	refrigeration	normal
		(cool)	(cool)	(cool)	(cool)

No Gas	0 PSIG to 25”	Room	Cool to hot	Room	Room	No	Lower than
		temperature		temperature	temperature	refrigeration	normal
		(cool)		(cool)	(cool)

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U-Line ULN-SS1095 Refrigeration System Diagnosis Guide, Troubleshooting, Suction, Compressor, Condenser, Capillary, Line

Contents

U-1075BEV U-1075WC U-CO1175 BI-2115 ADA15IM Entertain with U-LineEleganceSP ULN-95Icemaker ULN-98Icemaker ULN-SS1095Icemaker U-CO29F U-CO29A ULN-29RSection 1 - General Information POTENTIAL PROBLEMS WITH HFC-134AINTRODUCTION SECTION 5 - WIRING DIAGRAMS TABLE OF CONTENTSSECTION 2 - TROUBLESHOOTING SECTION 3 - SERVICE AND REPAIRremoval of power plug, or direct wiring can cause SAFETY PRECAUTIONSSafety Alert Definitions General PrecautionsSection 1 - General Information U-LINECORPORATION LIMITED WARRANTYLeaders In Quality Undercounter Refrigeration PRODUCT LIABILITY POLICYSection 1 - General Information Section 1 - General Information WARRANTY CLAIMS PROCEDURESERIAL NUMBER FORMAT PROOF OF PURCHASESection 1 - General Information PARTS LISTINGHow to Order Replacement Parts Section 1 - General Information This page intentionally left blankCUSTOMER CALL GUIDE Section 2 - TroubleshootingSuction REFRIGERATION SYSTEM DIAGNOSIS GUIDESection 2 - Troubleshooting SystemLow Voltage ICE MAKER DIAGNOSIS FLOW CHARTSection 2 - Troubleshooting INTERMITTENTCause TROUBLESHOOTINGSection 2 - Troubleshooting DANGERLow ice production Section 2 - TroubleshootingCause RemedyCause Section 2 - TroubleshootingIce buildup in drain trough or drainage problem Fresh food temperature too coldNormal Vapor/Compression Cycle Refrigeration Section 3 - Service and RepairREFRIGERATION SYSTEMS DEFROST MODE Section 3 - Service and RepairFrost Free Refrigeration COOLING MODEAir flow in at evaporator blade Section 3 - Service and RepairEMI ER COMPRESSOR/ELECTRICAL SPECIFICATIONSCompressor Pins Section 3 - Service and RepairFigure 6. Electrical Relay and Overload Protector Section 3 - Service and RepairCAPACITOR MODELS U-1075BEV, U-1075WC,29R- FigureSection 3 - Service and Repair ICE MAKER OPERATING CYCLESFreeze Cycle Figure Harvest-1Cycle FigureSection 3 - Service and Repair Harvest-2Cycle FigureWater Fill Cycle Figure Eject CycleWater Fill Cycle ICE MAKER OPERATING CYCLES U-CO29FMODELFreeze Cycle Harvest CycleSection 3 - Service and Repair TEMPERATURE CONTROL SPECIFICATIONS3-10 LIMIT SWITCH SPECIFICATIONSSection 3 - Service and Repair Figure 12. Limit Switch3-11 REPLACING ICE MAKER ASSEMBLY CO29F ONLYSection 3 - Service and Repair Figure 13. Ice Maker Assembly3-12 Section 3 - Service and RepairTHIS PAGE INTENTIONALLY LEFT BLANK 220V P/N 220 VOLT CONVERSION LISTSection 4 - Parts 110V P/NSection 4 - Parts U-LINEICE MAKER ASSEMBLYIce Maker U-LINEICE MAKER ASSEMBLYSection 4 - Parts ModelSection 4 - Parts MODEL SP18Part No. White MODEL SP18Section 4 - Parts Part No. BlackSection 4 - Parts BI95B, BI95WH, BCM95MODEL ULN-951 OF Item MODEL ULN-951 OFBI95B, BI95WH, BCM95 Section 4 - PartsSection 4 - Parts MODEL ULN-952 OFBI95BTP, WH95TP, SS95 Part No MODEL ULN-952 OFBI95BTP, WH95TP, SS95 Section 4 - PartsSection 4 - Parts MODEL ULN-98BI98B, BI98WH, SS98 Part No BI98B, BI98WH, SS98MODEL ULN-98 Section 4 - PartsSection 4 - Parts MODEL SS-10954-13 MODEL SS-1095Section 4 - Parts DescriptionSection 4 - Parts MODEL U-CO29FModel U-CO29F1 of Part No. White MODEL U-CO29F1 OFSection 4 - Parts Part No. BlackSection 4 - Parts MODEL U-CO29F2 OF4-17 MODEL U-CO29F2 OFSection 4 - Parts 11 7 4, 12 MODEL U-CO29ASection 4 - Parts 3 1U-CO29WH-03 MODEL U-CO29ASection 4 - Parts U-CO29B-0335 1 2 6 7 8 18 20 19 31 25 30 32 33 MODEL ULN-29R1421 22 23 Section 4 - PartsPart No. White MODEL 29RSection 4 - Parts Part No. BlackSection 4 - Parts MODEL 1075BEV4-23 MODEL 1075BEVSection 4 - Parts DescriptionSection 4 - Parts MODEL 1075WCDescription MODEL 1075WCSection 4 - Parts Item4-26 U-CO1175PAGE 1 OFSection 4 - Parts Description U-CO1175PAGE 1 OFSection 4 - Parts Part No. Black4-28 U-CO1175PAGE 2 OFSection 4 - Parts Description U-CO1175PAGE 2OFSection 4 - Parts Part No. Black4-30 MODEL BI-2115Section 4 - Parts Part No. White MODEL BI-2115Section 4 - Parts Part No. Black1X1X MODEL ADA15IMSection 4 - Parts 4-32Description MODEL ADA15IMSection 4 - Parts Part No. Black4-34 Section 4 - PartsThis page intentionally left blank COMBO 29FF WIRING DIAGRAM Section 5 - Wiring DiagramsULN-95, ULN-98,SP18 & SS-1095- 115 VOLT CO29F - 115 VOLTSection 5 - Wiring Diagrams U-CO29A,CO1175A, BI2115, ADA15IM - 115 VOLTULN-29R- 115 VOLT Section 5 - Wiring Diagrams 1075BEV, 1075WC - 115 VOLTSection 5 - Wiring Diagrams ULN-95, ULN-98,SP18 & 22-1095- 220 VOLTCO-29A,CO1175, BI2115, ADA15IM - 220 VOLT ABOUT U-LINE SERVICE ASSISTANCEFor Every Room There is a U-Line PRODUCT INFORMATION