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U-Line 2075DWRR Service And Parts Manual Supplement

Summary of 2075DWRR

  • Page 1

    Service and parts manual supplement for models • 2075dwrr • co2075dwr • 2075dwrwc 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 tech lines phone (...

  • Page 3: Introduction

    Introduction 1 design ■ features ■ performance general information 2075dwrr 2075dwrwc co2075dwr.

  • Page 4

    Notes 2 design ■ features ■ performance.

  • Page 5: Introduction

    Introduction three generations of pride and quality manufacturing and design improvements are built into all u-line products. The result: u-line leads the market with innovative technology and superior craftsmanship. This manual contains specific instructions for servicing the u-line Échelon 2075dwr...

  • Page 6: 031234-01-5678

    Serial number format the serial number is divided into four segments. A typical serial number is 031234-01-5678. The first two digits of the first segment, 03, represent the year the unit was made. The next four digits, 1234, represent the shop order number. Every model is assigned a new shop order ...

  • Page 7: General

    General information.

  • Page 8: General Information

    General information design ■ features ■ performance.

  • Page 9: General Information

    Limited warranty u-line corporation warrants each u-line product to be free from defects in materials and workmanship for a period of one year from the date of purchase; and warrants the sealed system (consisting of the com- pressor, the condenser, the evaporator, the hot gas bypass valve, the dryer...

  • Page 10: General Information

    Warranty claims procedure when submitting claims for warranty payment, please follow these guidelines. You can use any form you would normally use to bill your customer (your own computer generated form, narda, usa, etc.). The model and serial number must be on the claims. Claims will not be paid wi...

  • Page 11: General Information

    Parts listing how to order replacement parts 1. Locate the illustration(s) for the model you are servicing. 2. Refer to the area where the desired part would be installed, locate the part and note the item number assigned to it. 3. Locate the item number in the left column of the parts listing which...

  • Page 12: Warning

    Safety precautions do not attempt to service or repair the unit until you have read the entire procedure. Safety items through- out this manual are labeled with warning or caution. Warning means that failure to follow this safety statement may result in extensive product damage, serious personal inj...

  • Page 13: 2075Dwrr

    2075dwrr.

  • Page 14: 2075Dwrr

    2075dwrr design ■ features ■ performance.

  • Page 15: 2075Dwrr

    Compressor/electrical specifications 2075dwrr compressor pins to measure start winding resistance, measure across the c-s pins. To measure run winding resistance, measure across the c-r pins. These pins should never measure any resistance to ground. This would indicate a shorted compressor. Specific...

  • Page 16: 2075Dwrr

    Refrigeration systems normal vapor/compression cycle refrigeration • refrigerant is pumped from the compressor to the condenser as a high pressure, high temperature vapor. • as the refrigerant cools in the high pressure condenser, the vapor condenses to liquid. During this phase change, a great amou...

  • Page 17: 2075Dwrr

    Thermistor the thermistor senses the compartment temperature. This is used in conjunction with the control board to determine the length of the refrigeration cycle. Thermistors generally fail due to moisture or physical damage. Service notes 2075dwrr the 2075dwrr has the same basic refrigeration sys...

  • Page 18: 2075Dwrr

    The electronic temperature controllers 2075dwrr • the controller has a four minute minimum off-cycle regardless of the thermistor status. • the controller has a 4° differential built into it for the refrigerator thermistor. When it senses 38°f, the refrigerator will cool until the thermistor senses ...

  • Page 19: 2075Dwrr

    2075dwrr the temperature controller is located in the top drawer. The led display shows the temperature set point and is calibrated in degrees fahrenheit. The controller is factory programmed for a set point of 38°f which will show when the unit is first powered-up. To display actual temperature, pr...

  • Page 20: 2075Dwrr

    2075dwrr 14 design ■ features ■ performance refrigeration system diagnosis guide systemsuction suction compressor condenser capillary evaporator wattage condition pressure line discharge tube normal normal slightly below very hot very hot warm cold normal room temperature overcharge higher than very...

  • Page 21: 2075Dwrr

    2075dwrr wiring diagram 42184-f 2075dwrr 15 design ■ features ■ performance.

  • Page 22: 2075Dwrr

    2075dwrr 16 design ■ features ■ performance do not service the unit until the main electrical power has been disconnected. ! Warning ! Troubleshooting 2075dwrr 1 not refrigerating (compressor and fan are operating) cause remedy a. Little or no frost pattern on evaporator a. Check for sealed system l...

  • Page 23: 2075Dwrr

    2075dwrr 17 design ■ features ■ performance 8 noisy cause remedy a. Copper refrigeration tube touching cabinet a. Carefully adjust tubing b. Fan blade touching shroud b. Adjust fan mounting or shroud c. Fan blade obstruction (wiring, foam insulation, c. Remove obstruction packaging material) 9 fresh...

  • Page 24: 2075Dwrr

    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: 2075Dwrr

    2075dwrr (1 of 2) item description black stainless steel 1 control housing 26006 26006 2 control assembly 68005 68005 3 organizer assembly 80-48001-00 80-48001-00 4 top bin 26000 26000 5 switch box 26010 26010 6 light switch 42179 42179 7 drawer slides 80-47001-00 80-47001-00 8 evaporator assembly 2...

  • Page 26: 2075Dwrr

    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: 2075Dwrr

    2075dwrr (2 of 2) item description black stainless steel 1 rocker switch 2053 2053 2 transformer 68014 68014 3 thermo cutoff switch 66001 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 capaci...

  • Page 28

    Notes 22 design ■ features ■ performance.

  • Page 29: 2075Dwrwc

    2075dwrwc.

  • Page 30: 2075Dwrwc

    2075dwrwc design ■ features ■ performance.

  • Page 31: 2075Dwrwc

    Compressor/electrical specifications 2075dwrwc compressor pins to measure start winding resistance, measure across the c-s pins. To measure run winding resistance, measure across the c-r pins. These pins should never measure any resistance to ground. This would indicate a shorted compressor. Specifi...

  • Page 32: 2075Dwrwc

    Refrigeration systems normal vapor/compression cycle refrigeration • refrigerant is pumped from the compressor to the condenser as a high pressure, high temperature vapor. • as the refrigerant cools in the high pressure condenser, the vapor condenses to liquid. During this phase change, a great amou...

  • Page 33: 2075Dwrwc

    • from the dryer, the refrigerant flows through the capillary tube which meters the liquid refrigerant to the evaporator. The pressure of the refrigerant is reduced to the evaporating or low side pressure. • the reduction of pressure on the liquid refrigerant causes it to boil or vaporize until it r...

  • Page 34: 2075Dwrwc

    The top and bottom valve can never be open at the same time. After initial startup whichever compartment calls for cooling first, will have priority. Once the setpoint is achieved the other compartment will be cooled if necessary. When both compartments have reached setpoint and the compressor shuts...

  • Page 35: 2075Dwrwc

    The electronic temperature controllers 2075dwrwc the temperature controls are integrated in the top, front drawer panel. They consist of an led display and touch sensors for each drawer and a touch sensor to control the lighting (“ ”, “ ” and “ ”). The led displays show the drawer’s temperature set ...

  • Page 36: 2075Dwrwc

    2075dwrwc 28 design ■ features ■ performance interior lighting (2075dwrwc) the interior lighting can be controlled by the controller. Each time the light “ ” symbol is touched, the lighting is scrolled through the following options: touch once – both compartment lights on. Touch twice – top compartm...

  • Page 37: 2075Dwrwc

    Refrigeration system diagnosis guide 2075dwrwc 29 design ■ features ■ performance system suction suction compressor condenser capillary evaporator wattage condition pressure line discharge tube normal normal slightly below very hot very hot warm cold normal room temperature overcharge higher than ve...

  • Page 38: 2075Dwrwc

    2075dwrwc 30 design ■ features ■ performance 2075dwr wc wiring diagram dwr038 top drawer bottom drawer (blue) 1 (brown) 2 (purple) 3 (yellow) 4 (red) 5 (black w/yellow) 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 asse...

  • Page 39: 2075Dwrwc

    2075dwrwc 31 design ■ features ■ performance do not service the unit until the main electrical power has been disconnected. ! Warning ! Troubleshooting 2075dwrwc before servicing this unit, take readings from the electronic control (refer to the electronic temperature control for checking actual tem...

  • Page 40: 2075Dwrwc

    3 drawers will not close properly • the drawer slides contain a self-closing feature which engages when the drawer is about 1 inch from being closed. At the point the closers engage, there may be some resistance. If this resistance is hard to overcome, try closing the drawers with more force a coupl...

  • Page 41: 2075Dwrwc

    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

    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: 2075Dwrwc

    2075dwrwc (1 of 2) item description black stainless steel 1 drawer & rack assembly bottom 80-17030-01 80-17030-03 2 drawer & rack assembly top 80-17028-01 80-17028-03 3 cascade assembly left side 26028-02-s 26028-02-s 4 top rack assembly 80-33005-s 80-33005-s 5 drawer slide assembly 80-47001-00 80-4...

  • Page 44: 2075Dwrwc

    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: 2075Dwrwc

    2075dwrwc (2 of 2) item description black stainless steel 1 board 68019-s 68019-s 2 condenser assembly 2303-s 2303-s 3 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...

  • Page 46: 2075Dwrwc

    Notes 2075dwrwc 38 design ■ features ■ performance.

  • Page 47: Co2075Dwr

    Co2075dwr.

  • Page 48: Co2075Dwr

    Co2075dwr design ■ features ■ performance.

  • Page 49: Co2075Dwr

    Compressor pins to measure start winding resistance, measure across the c-s pins. To measure run winding resistance, measure across the c-r pins. These pins should never measure any resistance to ground. This would indicate a shorted compressor. Specifications emi70her start winding resistance: 8 oh...

  • Page 50: Co2075Dwr

    U-line frost free refrigeration system cooling mode: • bypass solenoid valve closed • evaporator fan operating • refrigerant flows through capillary tube • normal vapor/compression cycle refrigeration defrost mode: • bypass solenoid valve open • refrigerant flows through bypass system • vapor flows ...

  • Page 51: Co2075Dwr

    Service notes co2075dwr the co2075dwr has the same basic refrigeration system as the co2075f with a few exceptions. • the compressor is an embraco emi70her. • the electro-mechanical gas bulb is replaced with an electronic controller which features a digital temperature display. • the mullion between...

  • Page 52: Co2075Dwr

    When checking the thermistors to see if they are reading accurately, it is common to place them in an icebath to see if they read 32°f. Do not place them directly in the water. Use a plastic bag to protect them from moisture. The freezer and ice maker should read 32°f in icewater, however the refrig...

  • Page 53: Co2075Dwr

    43 design ■ features ■ performance the electronic temperature controller the temperature controller is located in the top drawer. It consists of an led display, two led status indi- cator lights and three touch pad buttons. The led display shows the compartment temperature set point and is calibrate...

  • Page 54: Co2075Dwr

    44 design ■ features ■ performance co2075dwr refrigeration system diagnosis guide system suction suction compressor condenser capillary evaporator wattage condition pressure line discharge tube normal normal slightly below very hot very hot warm cold normal room temperature overcharge higher than ve...

  • Page 55: Co2075Dwr

    45 design ■ features ■ performance co2075dwr wiring diagram d wr036 icemaker sensor freezer sensor refigera tor sensor co2075dwr.

  • Page 56: Co2075Dwr

    46 design ■ features ■ performance do not service the unit until the main electrical power has been disconnected. ! Danger ! Troubleshooting before servicing this unit, take readings from the electronic control (refer to the electronic temperature control for checking actual temperatures if needed)....

  • Page 57: Co2075Dwr

    47 design ■ features ■ performance 2. Some cooling • clean condenser. • check condenser fan. • possible system leak. 3. No cooling • check compressor/fan operation • check refrigeration system pressure • check wiring and power at circuit board 4. Noise • this is a frost free unit with two fans, comp...

  • Page 58: Co2075Dwr

    48 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. •...

  • Page 59: Co2075Dwr

    49 design ■ features ■ performance 2. Harvest cycle 1 • ice maker relay on circuit board energizes for 30 seconds. 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...

  • Page 60: Co2075Dwr

    50 design ■ features ■ performance 3. Harvest cycle 2 • the drawer switch must remain depressed for this 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...

  • Page 61: Co2075Dwr

    51 design ■ features ■ performance 4. Water fill cycle • this cycle initiates when the blades move to approximately the 10 o’clock position. • at this point the ice has moved out of the mold and is dropping into the bucket. • the ice maker switch is depressed for about seven seconds while the mold f...

  • Page 62: Co2075Dwr

    52 design ■ features ■ performance disassembly procedures note: Échelon models do not require removal of the ice maker or freezer housing to access the fan motor, drain or evaporator. To replace evaporator fan motor: 1. Disconnect unit from power source. 2. Remove two screws (1) holding evaporator f...

  • Page 63: Co2075Dwr

    53 design ■ features ■ performance replacing ice maker assembly 1. Remove unit from installation. 2. Disconnect water and unplug unit. 3. Disconnect ice maker wire harness at plug in back of unit (1). 4. Remove thermistor from the sensing tube on ice maker assembly (2). 5. Remove water inlet tube. 6...

  • Page 64: Co2075Dwr

    54 design ■ features ■ performance notes co2075dwr.

  • Page 65: Co2075Dwr

    55 design ■ features ■ performance replacing mold and heater 1. Remove ice maker assembly. Refer to replacing ice maker assembly. 2. Remove 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. Det...

  • Page 66: Co2075Dwr

    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: Co2075Dwr

    57 co2075dwr (1 of 3) item description black stainless steel 1 control housing 26006 26006 2 display board assembly 68024 68024 3 control harness 68025 68025 4 organizer assembly 80-48001-00 80-48001-00 5 top bin 26000 26000 6 drawer slides 80-47002-00 80-47002-00 7 light switch top drawer 42179 421...

  • Page 68: Co2075Dwr

    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: Co2075Dwr

    59 design ■ features ■ performance co2075dwr (2 of 3) item description black stainless steel 1 water line assembly 404-co2075dwr 404-co2075dwr 2 water valve 2552a 2552a 3 plastic nut & sleeve 41254 41254 4 brass fitting 41826 41826 5 drier 72018 72018 6 compressor assembly 70079-ffs 70079-ffs 7 over...

  • Page 70: Co2075Dwr

    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: Co2075Dwr

    61 design ■ features ■ performance co2075dwr (3 of 3) note: this ice maker is used only on co2075dwr. Use only genuine u-line replacement parts. U-line ice maker parts are not the same as standard fsp whirlpool parts. Using non-u-line parts can reduce ice rate, cause water to overflow from ice maker...

  • Page 72

    62 design ■ features ■ performance notes.

  • Page 73: Introduction

    Introduction 63 design ■ features ■ performance notes.

  • Page 74: Introduction

    Introduction 64 design ■ features ■ performance notes.

  • Page 75

    65 fax parts order form fax # 414-354-7905 account# ____________________________________ bill to: ______________________________________ ____________________________________________ ____________________________________________ date:________________________________________ phone#_____________________...

  • 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.