Manuals / U-Line / Kitchen Appliance / Ice Maker

U-Line U-CO29F, SP 18 Frost Free Refrigeration, Service and Repair, Cooling Mode, Defrost Mode

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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Section 3 - Service and Repair

Frost Free Refrigeration

COOLING MODE

•Bypass solenoid closed.

•Evaporator fan operating.

•Refrigerant flows through capillary tubes.

•Normal vapor/compression cycle refrigeration (see page 3- 1).

DEFROST MODE

•Bypass solenoid valve open.

•Refrigerant flows through bypass system.

•Vapor flows from condenser to evaporator without a phase change.

•Drain heater on (U-CO29F only).

	COMPRESSOR
CONDENSER
DRYER		EVAPORATOR
	FLOW WHEN SOLENOID
	VALVE IS CLOSED
	CAPILLARY TUBE
		FLOW WHEN SOLENOID
		VALVE IS OPEN
	SOLENOID VALVE	ULIN_0369_A
		ULIN_0369_A
	Figure 2. Frost Free Refrigeration System.
•

3-2

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U-Line U-CO29F, SP 18, U-1075BEV, U-1075WC, U-CO29A Frost Free Refrigeration, Service and Repair, Cooling Mode, Defrost Mode

Contents

SP ULN-95Icemaker ULN-98Icemaker Entertain with U-LineEleganceULN-SS1095Icemaker U-CO29F U-CO29A ULN-29R U-1075BEV U-1075WC U-CO1175 BI-2115 ADA15IMSection 1 - General Information POTENTIAL PROBLEMS WITH HFC-134AINTRODUCTION SECTION 2 - TROUBLESHOOTING TABLE OF CONTENTSSECTION 3 - SERVICE AND REPAIR SECTION 5 - WIRING DIAGRAMSSafety Alert Definitions SAFETY PRECAUTIONSGeneral Precautions removal of power plug, or direct wiring can causeSection 1 - General Information U-LINECORPORATION LIMITED WARRANTYLeaders In Quality Undercounter Refrigeration PRODUCT LIABILITY POLICYSection 1 - General Information SERIAL NUMBER FORMAT WARRANTY CLAIMS PROCEDUREPROOF OF PURCHASE Section 1 - General InformationSection 1 - General Information PARTS LISTINGHow to Order Replacement Parts Section 1 - General Information This page intentionally left blankCUSTOMER CALL GUIDE Section 2 - TroubleshootingSection 2 - Troubleshooting REFRIGERATION SYSTEM DIAGNOSIS GUIDESystem SuctionSection 2 - Troubleshooting ICE MAKER DIAGNOSIS FLOW CHARTINTERMITTENT Low VoltageSection 2 - Troubleshooting TROUBLESHOOTINGDANGER CauseCause Section 2 - TroubleshootingRemedy Low ice productionIce buildup in drain trough or drainage problem Section 2 - TroubleshootingFresh food temperature too cold CauseNormal Vapor/Compression Cycle Refrigeration Section 3 - Service and RepairREFRIGERATION SYSTEMS Frost Free Refrigeration Section 3 - Service and RepairCOOLING MODE DEFROST MODEAir flow in at evaporator blade Section 3 - Service and RepairCompressor Pins COMPRESSOR/ELECTRICAL SPECIFICATIONSSection 3 - Service and Repair EMI ERCAPACITOR Section 3 - Service and RepairMODELS U-1075BEV, U-1075WC,29R- Figure Figure 6. Electrical Relay and Overload ProtectorFreeze Cycle Figure ICE MAKER OPERATING CYCLESHarvest-1Cycle Figure Section 3 - Service and RepairWater Fill Cycle Figure Harvest-2Cycle FigureEject Cycle Section 3 - Service and RepairFreeze Cycle ICE MAKER OPERATING CYCLES U-CO29FMODELHarvest Cycle Water Fill CycleSection 3 - Service and Repair TEMPERATURE CONTROL SPECIFICATIONSSection 3 - Service and Repair LIMIT SWITCH SPECIFICATIONSFigure 12. Limit Switch 3-10Section 3 - Service and Repair REPLACING ICE MAKER ASSEMBLY CO29F ONLYFigure 13. Ice Maker Assembly 3-113-12 Section 3 - Service and RepairTHIS PAGE INTENTIONALLY LEFT BLANK Section 4 - Parts 220 VOLT CONVERSION LIST110V P/N 220V P/NSection 4 - Parts U-LINEICE MAKER ASSEMBLYSection 4 - Parts U-LINEICE MAKER ASSEMBLYModel Ice MakerSection 4 - Parts MODEL SP18Section 4 - Parts MODEL SP18Part No. Black Part No. WhiteSection 4 - Parts BI95B, BI95WH, BCM95MODEL ULN-951 OF BI95B, BI95WH, BCM95 MODEL ULN-951 OFSection 4 - Parts ItemSection 4 - Parts MODEL ULN-952 OFBI95BTP, WH95TP, SS95 BI95BTP, WH95TP, SS95 MODEL ULN-952 OFSection 4 - Parts Part NoSection 4 - Parts MODEL ULN-98BI98B, BI98WH, SS98 MODEL ULN-98 BI98B, BI98WH, SS98Section 4 - Parts Part NoSection 4 - Parts MODEL SS-1095Section 4 - Parts MODEL SS-1095Description 4-13Section 4 - Parts MODEL U-CO29FModel U-CO29F1 of Section 4 - Parts MODEL U-CO29F1 OFPart No. Black Part No. WhiteSection 4 - Parts MODEL U-CO29F2 OF4-17 MODEL U-CO29F2 OFSection 4 - Parts Section 4 - Parts MODEL U-CO29A3 1 11 7 4, 12Section 4 - Parts MODEL U-CO29AU-CO29B-03 U-CO29WH-031421 22 23 MODEL ULN-29RSection 4 - Parts 35 1 2 6 7 8 18 20 19 31 25 30 32 33Section 4 - Parts MODEL 29RPart No. Black Part No. WhiteSection 4 - Parts MODEL 1075BEVSection 4 - Parts MODEL 1075BEVDescription 4-23Section 4 - Parts MODEL 1075WCSection 4 - Parts MODEL 1075WCItem Description4-26 U-CO1175PAGE 1 OFSection 4 - Parts Section 4 - Parts U-CO1175PAGE 1 OFPart No. Black Description4-28 U-CO1175PAGE 2 OFSection 4 - Parts Section 4 - Parts U-CO1175PAGE 2OFPart No. Black Description4-30 MODEL BI-2115Section 4 - Parts Section 4 - Parts MODEL BI-2115Part No. Black Part No. WhiteSection 4 - Parts MODEL ADA15IM4-32 1X1XSection 4 - Parts MODEL ADA15IMPart No. Black Description4-34 Section 4 - PartsThis page intentionally left blank ULN-95, ULN-98,SP18 & SS-1095- 115 VOLT Section 5 - Wiring DiagramsCO29F - 115 VOLT COMBO 29FF WIRING DIAGRAMSection 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 For Every Room There is a U-Line SERVICE ASSISTANCEPRODUCT INFORMATION ABOUT U-LINE