U-Line Echelon 2075DWRR Service And Parts Manual Supplement Download Page 58 | Manualshive

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Design

■

Features

■

Performance

Ice maker Operation

1. Freeze cycle

•  Ice maker relay is not energized.
•  Unit is cooling ice maker down to the 15°F setpoint.
•  The unit may cycle on and off as it is pulling ice maker to setpoint in order to maintain ideal

refrigerator and freezer temperatures.

• The minimum ice making cycle time as permitted by the timing circuit in the circuit board is 75

minutes.

DWR057

CO2075DWR

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Summary of Contents for Echelon 2075DWRR

Page 1: ...75DWRWC U Line Corporation U Line Corporation 8900 North 55th Street PO Box 245040 Milwaukee WI 53223 Milwaukee WI 53224 9540 www U LineService com Phone 414 354 0300 FAX 414 354 7905 Service Parts Te...

Page 2: ......

Page 3: ...INTRODUCTION 1 Design Features Performance General Information 2075DWRR 2075DWRWC CO2075DWR...

Page 4: ...NOTES 2 Design Features Performance...

Page 5: ...f ester oil is many times greater than that of the mineral oils previously used with CFC 12 High system moisture causes the formation of acids and alcohol which can damage the compressor Systems shoul...

Page 6: ...r digits 1234 represent the shop order number Every model is assigned a new shop order number at the beginning of a production run The second two digit segment 01 represents the month the unit was mad...

Page 7: ...General Information...

Page 8: ...GENERAL INFORMATION Design Features Performance...

Page 9: ...es incurred or resulting from shipping improper installation unauthorized modification or misuse abuse of the product customer education calls food loss spoilage door and water level adjustments excep...

Page 10: ...l and serial number of both units the unit being replaced and the new unit and the R A number If a copy of the Proof of Purchase Install is not available at the site the technician should record the f...

Page 11: ...t to be returned a prepaid shipping label will be included with your new replacement part When returning parts please enclose a copy of your packing list and a copy of your labor claim showing the mod...

Page 12: ...ttempt to repair or perform maintenance on the unit until the electricity has been disconnected Altering cutting of power cord removal of power cord removal of power plug or direct wiring can cause se...

Page 13: ...2075DWRR...

Page 14: ...2075DWRR Design Features Performance...

Page 15: ...ins should never measure any resistance to ground This would indicate a shorted compressor Specifications EMU30HSC Start Winding Resistance 28 OHMS EMU30HSC Run Winding Resistance 8 OHMS 115 VOLT Capa...

Page 16: ...duction of pressure on the liquid refrigerant causes it to boil or vaporize until it reaches satura tion temperature As the low temperature refrigerant passes through the evaporator coil it continues...

Page 17: ...h two LED indicators and three touch pad buttons The mullion between the two drawers has a low wattage anti sweat surface heater to prevent con densation on the mullion Additionally there is an anti f...

Page 18: ...layed and open thermistor A solid light on in LED position 1 means compartment temperature is displayed A flashing light in LED position 2 means open thermistor The thermistor has failed or has been o...

Page 19: ...conds To adjust the temperature set point press the SET TEMP button momentarily the display will flash Press the WARMER or COOLER button as desired to change the set point When the desired set point s...

Page 20: ...wer than normal room near inlet normal temperature outlet below room temperature Partial Somewhat Warm near Very hot Top passes Room Extremely cold Lower than Restriction lower than room warm temperat...

Page 21: ...2075DWRR WIRING DIAGRAM 42184 F 2075DWRR 15 Design Features Performance...

Page 22: ...r power in to controller c None Check for bad wire d Display on check for power out of controller d None Bad controller e Display off e Check transformer f Thermistor light flashing f Bad Thermistor g...

Page 23: ...l 9 Fresh food or wine temperature too cold Cause Remedy a Controller set too cold a Adjust controller b Defective controller b Replace controller c Wiring defect c Check wiring d Thermistor not pushe...

Page 24: ...2075DWRR 1 OF 2 DWR023 4 3 2 1 5 6 7 8 9 10 11 12 7 13 26 14 15 16 17 18 19 20 21 19 22 23 24 25 22 2075DWRR 18 Design Features Performance...

Page 25: ...Drain Trough 31391 3 31391 3 14 Control Harness 68015 68015 15 Drain Cup 11508 11508 16 Drain Tube 31726 31726 17 Grille 11902 BLK 01 11902 BLK 01 18 Top Drawer No Front 14007 S 14007 S 19 Door Gaske...

Page 26: ...2075DWRR 2 OF 2 12 13 2 1 3 4 5 6 7 9 10 11 14 8 8 DWR024 2075DWRR 20 Design Features Performance...

Page 27: ...6001 66001 4 Condenser 2303 S 2303 S 5 Fan Blade 5188 5188 6 Fan Motor 5263 5263 7 Drain Pan 31550 1 F 31550 1 F 8 Leg Levelers 41319 41319 9 Drier 2694 2694 10 Capacitor 71008 71008 11 Compressor Ass...

Page 28: ...NOTES 22 Design Features Performance...

Page 29: ...2075DWRWC...

Page 30: ...2075DWRWC Design Features Performance...

Page 31: ...C R pins These pins should never measure any resistance to ground This would indicate a shorted compressor Specifications EMU30HSC Start Winding Resistance 28 OHMS EMU30HSC Run Winding Resistance 8 O...

Page 32: ...nser the vapor condenses to liquid During this phase change a great amount of heat is rejected with the help of the condenser fan The liquid then flows to the dryer where it is strained and filtered C...

Page 33: ...co EMU30HSC The electro mechanical gas bulb is replaced with an electronic controller The 2075DWRWC features an LED display and touch sensors for each drawer and a touch sensor to control the lighting...

Page 34: ...be put into a diagnostic mode 1 Unplug unit 2 Install jumper on pins 9 and 10 on board 3 Plug unit back in Based on the attached chart you can turn on and off each relay individually Control pot at 2...

Page 35: ...rawer press the and touch sensors simultaneously for three seconds The display indicates the actual temperature After approximately 10 seconds the set point temperature displays Both drawers can be co...

Page 36: ...off both display temperatures and the cabinet lights The unit will continue to maintain the compartment set point temperatures even though they are not displayed If the light symbol is touched and hel...

Page 37: ...ower than normal room near inlet normal temperature outlet below room temperature Partial Somewhat Warm near Very hot Top passes Room Extremely cold Lower than Restriction lower than room warm tempera...

Page 38: ...6 7 BLACK 8 WHITE 9 CONTROL BOARD THERMISTORS DISPLAY BOARD CONNECTOR 1 2 3 4 5 6 7 8 9 10 TOP LAMP BOTTOM LAMP POWER CORD ASSEMBLY GREEN GROUND BLACK HOT SMOOTH BLACK NEUTRAL RIBBED EMBRACO WHITE CO...

Page 39: ...th the thermistor If you can read the actual temperatures then the problem has been corrected If you were unable to read the temperatures or if you read 99 then the thermistor is not working and the c...

Page 40: ...ot close make sure the cascading cams are positioned correctly The drawer will not close if the cams are in the A open position Reset the cams manually as shown in position B closed The drawers should...

Page 41: ...CASCADING PARTS NOT OPERATING PROPERLY B Cascade mechanism in the correct closing position DWR065 A Cascade mechanism in the correct opening position 2075DWRWC 33 Design Features Performance...

Page 42: ...2075DWRWC 1 OF 2 DWR067 1 3 2 3 4 5 19 20 18 17 15 22 17 14 11 12 13 6 21 7 9 10 8 16 2075DWRWC 34 Design Features Performance...

Page 43: ...anel 11969 11969 9 Lens Cover 11859 11859 10 Light Bulb 31317 31317 11 Drain Trough 31391 6 31391 6 12 Drain Funnel 11508 11508 13 Drain Tube 41967 4 41967 4 14 Grille 11942 BLK 01 11942 BLK 01 15 Cas...

Page 44: ...2075DWRWC 2 OF 2 DWR068 12 1 2 13 3 4 5 6 6 7 8 9 10 11 2075DWRWC 36 Design Features Performance...

Page 45: ...Fan Blade 5188 5188 4 Fan Motor 5263 5263 5 Power Cord 2916 2916 6 Valve Coil 73002 73002 7 Valve Assembly 73002 S 73002 S 8 Drier 2694 2694 9 Compressor Assembly 70077 S 70077 S 10 Leveling Leg 41319...

Page 46: ...NOTES 2075DWRWC 38 Design Features Performance...

Page 47: ...CO2075DWR...

Page 48: ...CO2075DWR Design Features Performance...

Page 49: ...ground This would indicate a shorted compressor Specifications EMI70HER Start Winding Resistance 8 OHMS EMI70HER Run Winding Resistance 3 OHMS 115 VOLT Ice Maker Heater Resistance 80 OHMS 115 VOLT Wat...

Page 50: ...to evaporator without a phase change THERMISTORS There are three thermistors to sense the refrigerator freezer and icemaker temperature These are used in conjunction with the control board to control...

Page 51: ...numbers as reference but they could be 40 F and 2 F or 36 F and 2 F and so on The freezer temperature will be maintained at 0 F with a differential of 2 F In the event that the refrigerator is warmer...

Page 52: ...zer temperature will be displayed Continue holding the colder button and the display will cycle from freezer to ice maker until the button is released This unit can be put into a diagnostic mode 1 Unp...

Page 53: ...the set point When the desired set point shows on the display you can press the SET TEMP again or wait 10 seconds and the new set point will be saved and the display will stop flashing Wait 24 hours...

Page 54: ...ower than normal room near inlet normal temperature outlet below room temperature Partial Somewhat Warm near Very hot Top passes Room Extremely cold Lower than Restriction lower than room warm tempera...

Page 55: ...45 Design Features Performance CO2075DWR WIRING DIAGRAM DWR036 ICEMAKER SENSOR FREEZER SENSOR REFIGERATOR SENSOR CO2075DWR...

Page 56: ...ble causes for this could be a leak in the system or the drawer left open If temperature reading is below 15 F the unit should produce ice If there is no ice in the mold check the water fill and water...

Page 57: ...using the diagnostic feature If evaporator or drain pan does not clear during a defrost check the bypass valve coil for continuity Drawers not closing properly 7 Display not operational Check four co...

Page 58: ...is cooling ice maker down to the 15 F setpoint The unit may cycle on and off as it is pulling ice maker to setpoint in order to maintain ideal refrigerator and freezer temperatures The minimum ice ma...

Page 59: ...onds This allows power to the ice maker to allow the blades rotate Refrigeration system is independent of the ice maker The bin arm must be in the fully lowered position and the drawer must be closed...

Page 60: ...s cycle to continue The ice maker relay is now de energized This cycle initiates when the blades move to approximately the 2 o clock position Ejector blades stall on the ice and pulse until the mold h...

Page 61: ...with water The water fill is approximately 120 ml At the end of the fill cycle the blades stop at the 12 o clock position and wait for another harvest cycle to begin 5 Storage mode The bin arm is in t...

Page 62: ...shers 5 holding the fan to the fan bracket 5 Replace with new fan 6 Plug in the fan connection making sure the fan wires are tucked behind the fan bracket 7 Re install evaporator cover 8 Re install un...

Page 63: ...ter inlet tube 6 Remove front cover 3 7 Advance ejector blade to the 3 o clock position by turning the 5 16 hex head on the small brass gear counterclockwise 4 8 Remove two screws from icemaker bracke...

Page 64: ...54 Design Features Performance NOTES CO2075DWR...

Page 65: ...e one stripper screw 1 and stripper 2 3 Remove three face plate screws 3 and face plate 4 Remove one screw 4 and detach limit switch from mold 5 Detach heater leads 5 6 Remove two screws 6 and mold fr...

Page 66: ...56 Design Features Performance CO2075DWR 1 OF 3 30 2 1 3 4 6 5 7 8 9 22 21 13 11 12 23 10 27 28 29 26 25 25 24 DWR025 17 15 14 18 19 20 16 CO2075DWR...

Page 67: ...r Cover 14039 14039 16 Insulator Chimney Panel 35005 35005 17 Evaporator Assembly 74002 S 74002 S 18 Evaporator Fan Blade 31656 31656 19 Evaporator Fan 5434 5434 20 Drain Pan Assembly 14038 14038 21 D...

Page 68: ...58 Design Features Performance CO2075DWR 2 OF 3 DWR063 15 16 2 5 6 9 11 10 12 13 14 1 3 4 2 7 8 18 17 CO2075DWR...

Page 69: ...r 72018 72018 6 Compressor Assembly 70079 FFS 70079 FFS 7 Overload 71025 71025 8 Relay 71026 71026 9 Power Cord 2915 2915 10 Leg Levelers 41319 41319 11 Rocker Switch 2053 2053 12 Control Board Assemb...

Page 70: ...60 Design Features Performance CO2075DWR 3 OF 3 DWR060 1 3 4 5 2 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 32 33 34 35 36 10 25 CO2075DWR...

Page 71: ...ousing 625827 13 Bin Arm Spring 627526 14 Bin Arm 18031 15 Mold Heater 625843 16 Mold Heater Assembly 628123 DWRCO 17 Ejector 627375 Item Description Part No 18 Waterline Clip 652604 19 Water Cup 5443...

Page 72: ...62 Design Features Performance NOTES...

Page 73: ...INTRODUCTION 63 Design Features Performance NOTES...

Page 74: ...INTRODUCTION 64 Design Features Performance NOTES...

Page 75: ...ttention P O ________________________________________ Fax ________________________________________ PART COLOR QTY DESCRIPTION MODEL SERIAL UNIT IN NUMBER WARRANTY SPECIAL INSTRUCTIONS All part shipmen...

Page 76: ...P O Box 245040 Milwaukee WI 53224 9540 Phone 414 354 0300 FAX 414 354 7905 Printed in U S A February 2005 P N 30017...

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