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Basic Information

1-4

Important Safety Instructions

Safety Precautions

Do not attempt to install, operate or service the unit until
you have read the safety precautions in this manual.
Safety items throughout this manual are labeled with a
Danger, Warning, or Caution based on the risk type.

Definitions

This is the safety alert symbol. It is used to alert you
to potential personal injury hazards. Obey all safety

messages that follow this symbol to avoid possible injury or
death.

General Safety

•

Do not store or use gasoline or other flammable

liquids near this or any other appliance. Read product
labels for warnings regarding flammability and other
hazards.

•

Do not operate the refrigerator in the presence of explo-
sive fumes.

•

Avoid contact with any moving parts of the automatic
ice maker.

•

Remove all staples from the carton to avoid injury.
Staples can also damage finishes if they come in contact
with other appliances or furniture.

Child Safety

Packing Materials:

• Packing cartons covered with rugs, bedspreads,

plastic sheets, or stretch wrap may become airtight
chambers and can quickly cause suffocation.

• Destroy or recycle the product’s carton, plastic bags,

and any other exterior wrapping material immediately
after the refrigerator is unpacked. Children should
never play with these items.

Child Entrapment and Suffocation:

• These problems are not limited to the past. Whether

junked, abandoned, or temporarily stored (even for a
few hours), unattended refrigerators and freezers are
dangerous. Please take the precautions listed below.

Proper Disposal of Refrigerators/Freezers

Electrolux Home Products Inc. strongly encourages
responsible appliance recycling/disposal methods.
Check with your utility company or visit www.recyclemy-
oldfridge.com for more information on recycling your old
refrigerator.

Before you recycle or dispose of your old refrigerator/
freezer:

• Remove the doors.

• Leave the shelves and baskets in place so children

may not easily climb inside.

• Have refrigerant and compressor oil removed by a

qualified service technician.

DANGER

INDICATES AN IMMINENTLY

HAZARDOUS SITUATION WHICH, IF NOT AVOIDED,
WILL RESULT IN DEATH OR SERIOUS INJURY.

WARNING

INDICATES A POTENTIALLY

HAZARDOUS SITUATION WHICH, IF NOT AVOIDED,
COULD RESULT IN DEATH OR SERIOUS INJURY.

CAUTION

indicates a potentially hazardous situ-

ation which, if not avoided, may result in minor or
moderate injury.

Indicates installation, operation, or maintenance
information which is important but not hazard
related.

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Содержание LGUB2642LF2

Страница 1: ...All About Servicing Bottom Freezer Refrigerator Publication 5995556437 February 2011 Electrolux Major Appliances North America 10200 David Taylor Drive Charlotte NC 28262 ...

Страница 2: ......

Страница 3: ...ound wires is GREEN or GREEN with YELLOW STRIPES Ground leads are not to be used as current carrying conductors It is EXTREMELY important that the service technician reestablish all safety grounds prior to completion of service Failure to do so will create a hazard 7 Prior to returning the product to service ensure that All electrical connections are correct and secure All electrical leads are pro...

Страница 4: ...tic Service Mode Test Sequence 4 4 Diagnostic Flow Charts 4 6 Fresh Food Compartment Ice Maker Finger Evaporator Operation 4 9 Defrost Water Drain 4 10 About Ice Cube Production 4 11 Section 4 Ice Maker continued Freezer Recovery Mode 4 12 Error Codes 4 12 Diagnostic Service Mode 4 12 Diagnostic Service Mode Test Sequence 4 13 No Ice Conditions 4 16 Diagnostic Flow Charts 4 17 Ice Maker Exploded V...

Страница 5: ...For Internal Leaks 7 8 Compressor Replacement 7 9 Flushing The System With Nitrogen 7 9 Installing a New Compressor 7 10 Freezer Evaporator and Suction Line Replacement 7 11 Freezer Heat Exchanger Replacement Finger IM Evap 7 13 Ice Maker Evaporator Replacement Finger IM Evap 7 13 Ice Maker Heat Exchanger Rep Finger IM Evap 7 14 Freezer Heat Exchanger Rep Flex Tray IM Evap 7 15 Ice Maker Evaporato...

Страница 6: ... carton plastic bags and any other exterior wrapping material immediately after the refrigerator is unpacked Children should never play with these items Child Entrapment and Suffocation These problems are not limited to the past Whether junked abandoned or temporarily stored even for a few hours unattended refrigerators and freezers are dangerous Please take the precautions listed below Proper Dis...

Страница 7: ... YEAR OF INTRODUCTION COLOR Brand FG Frigidaire Gallery FP Frigidaire Professional LG Lowe s Gallery Product Category HB High Efficiency Bottom Freezer HN High Efficiency Non Dispensing Bottom Freezer HF High Efficiency Bottom Freezer Counter Depth HG High Efficiency Non Dispensing Bottom Freezer Counter Depth Capacity 23 23 cu ft Refrigerators 26 26 cu ft Refrigerators 28 28 cu ft Refrigerators F...

Страница 8: ...le SpillSafeTM Shelves Dairy Compartment Ice Bin Ice Maker SpillSafeTM Shelves Freezer Baskets Crisper Drawer Crisper Drawer Water Filter Adjustable Hinges Incandescent Light select models LED Light select models Door Bin Flipper Guide Flipper Mullion Store More Drawer Can Rack Air Filter TM select models ...

Страница 9: ...1 7 Basic Information Models with Fresh Food and Freezer Ice Makers NOTE Features may vary according to model ...

Страница 10: ...1 8 Basic Information Models with Freezer Ice Maker NOTE Features may vary according to model ...

Страница 11: ... to 931 kPa Wattage last 1 3 cycle 45 to 55 60 to 70 Amps running 6 to 1 1 7 to 9 Base Voltage 115 vac 127 vac max DEFROST SPECIFICATIONS Cabinet Size Thermostat Heater Cut in Cut out Watts Ohms 26 28 SD 23 CD 25 F 4 C 47 F 8 C 500 31 Electronic Timer ADC Defrost 24 minutes every 6 96 hours of compressor run time CONDENSER FAN MOTOR Watts RPM Amps 3 1 1100 CW Opposite Shaft 0 03 Running ICE MAKER ...

Страница 12: ...tage 40 to 55 60 to 70 Amps running 5 to 1 1 7 to 9 Base Voltage 115 vac 127 vac max DEFROST SPECIFICATIONS Cabinet Size Thermostat Heater Cut in Cut out Watts Ohms 26 28 SD 23 CD 25 F 4 C 47 F 8 C 500 26 Electronic Timer ADC Defrost 24 minutes every 6 96 hours of compressor run time CONDENSER FAN MOTOR Watts RPM Amps 3 1 Energy Star some models 1100 CW Opposite Shaft 0 03 Running ICE MAKER SPECIF...

Страница 13: ... plug If possible place the refrigerator out of direct sunlight and away from the range dishwasher or other heat sources The refrigerator must be installed on a floor that is level and strong enough to support a fully loaded refrigerator Consider water supply availability for models equipped with an automatic ice maker Installation Allow the following clearances for ease of installation proper air...

Страница 14: ...ble front rollers To level the cabinet using the front rollers 1 You can raise or lower each door use a 3 8 inch socket wrench to turn the adjustment screws 1 per side To raise turn adjustment screw clockwise To lower turn adjustment screw counterclockwise 2 Ensure both doors are bind free with their seals touching the cabinet on all four sides and that cabinet is stable 3 After unit is leveled lo...

Страница 15: ...Loosen Remove Screw 6 Ensure door stops in desired location before resuming normal use To level the doors using the adjustable lower hinge select models 1 Remove all food items from door bins on door being adjusted 2 Open doors to 90 degrees 3 Loosen or remove screw Adjusting Door Re tighten Screw Adjustable Door Stop ÍNOTE View shown is looking up at the bottom of the refrigerator door ÍNOTE Adju...

Страница 16: ...e tighten screw 4 Lift the door while adjusting the washer To raise the door rotate washer clockwise when viewed from the bottom To lower door rotate washer counter clockwise when viewed from the bottom 5 Re tighten the screw ensuring it is between the spokes of the washer Screw will not be tight just insert until it is flush with the hinge Adjusting Flipper Mullion Height Raising Lowering Door Sc...

Страница 17: ... inward on the outer sleeve while pushing the tube toward the connector then while continuing to hold in the sleeve pull the tube away Getting through narrow spaces If your refrigerator will not fit through an entrance area you can remove the doors Check first by measuring the entrance To prepare for removing the doors 1 Make sure the electrical power cord is unplugged from the wall outlet 2 Open ...

Страница 18: ...r screws 7 Recheck gasket seal 8 Install the toe grille by fitting into place 2 Reinstall four 4 drawer screws two 2 per side tighten down and close drawer C A B 3 Check gasket seal around top bottom and sides of freezer drawer 4 If gasket is not sealed open drawer and slightly loosen four 4 drawer screws two 2 on each side to allow drawer to rotate 5 Close drawer and recheck the seal on the gaske...

Страница 19: ...r the set screws are facing towards the opposite door 3 While holding handle firmly against door fasten upper and lower Allen set screws B with supplied Allen wrench 4 Repeat steps 2 and 3 to install opposite handle Ensure the holes for the set screws are facing towards the first door 5 Position freezer handle end over left and right pre installed handle mounts that are fastened to the door ensuri...

Страница 20: ...ng the holes for the set screws are facing down 6 While holding handle firmly against door loosely tighten far right Allen set screw B with supplied Allen wrench until there is no gap between handle and door 7 Still holding the handle firmly to the door firmly tighten far left Allen set screw B with supplied Allen wrench 8 Return to the far right Allen set screw B and firmly tighten with supplied ...

Страница 21: ...arrange coils so they do not vibrate or wear against any other surface 7 Turn ON water supply at shutoff valve and tighten any connections that leak 8 Reconnect refrigerator to electrical power source Figure 2 Figure 1 WARNING To avoid electric shock which can cause death or severe personal injury disconnect the refrigerator from electrical power before connecting a water supply line to the refrig...

Страница 22: ...Installation Information 2 10 ...

Страница 23: ... exception of ice maker controls Ice maker controls operation is detailed in the Ice Maker section There are two standard user interface controls available with dispenser equipped models Express Select and Pro Select See Figure 3 1 and 3 2 The user interface for non dispensing models is an Express Select control See Figure 3 3 The control layout is different from the dispenser model Express Select...

Страница 24: ...u Use the menu buttons to scroll down to either freezer or refrigera tor temp to adjust temperatures Use the Temp Adjust buttons to ad just the temperature to the desired setting Press the SET button to accept the new temperature setting Press options button to exit the main menu IMPORTANT Pressing the power off icon does not turn off power to your refrigerator You must unplug the power cord from ...

Страница 25: ... settings such as temp and temp display to their factory default settings power Press and hold for three 3 seconds to turn off the cooling system to clean the refrigerator It also turns off the ice maker all dispenser functions The temperature display will read OFF IMPORTANT When the fresh food ice maker is turned off the ice in the bucket should be transferred to the freezer or discarded to preve...

Страница 26: ...he ice maker The temperature displays will read OFF IMPORTANT Pressing the system on off icon does not turn off power to your refrigerator You must unplug the power cord from the wall outlet Express Select User Interface Display Operation Non Dispenser Models Figure 3 6 Express Select User Interface for Non Dispenser Models Setting Cooling Temperatures Express Select User Interface Down and up ind...

Страница 27: ...ect To enter press and hold simultaneously options and light for up to ten 10 seconds When freezer and fresh food displays show the same temperature the unit is in Showroom mode Active Functions 1 Displays 2 Freezer Fresh Food Temperature Keys 3 Lights 4 Alarm Key Flashes alarm indicator 5 Air Filter Key Key Tone and green LED toggles on off 6 All other functions are disabled including alarm s NOT...

Страница 28: ...reezer will cool from ambient to 25 F in approximately 1 hour The fresh food compartment will cool from ambient F in approximately 1 hour The fresh food compartment will cool from ambient to 54 to 54 F typically around 90 minutes from power on F typically around 90 minutes from power on When the unit enters into high temeprature state the affected compartment temperature display fresh food When th...

Страница 29: ...te valve Push power on off again to deactivate Test 9 Freezer compartment lighting test Push the power on off then open the freezer door and the freezer compartment lights will come on low and ramp up Push power on off again to cancel test Test 10 Auger motor Push power on off to activate Auger runs with fresh food door closed Push power on off again to deactivate also Auger motor switch Push powe...

Страница 30: ...sh power on off to change between F and C The display will show the actual temp if the thermistor is good and OP or SH if the thermistor is open or shorted NOTE If Er is shown in the display replace the main control board Test 34 Ambient thermistor at user interface on some models Push power on off to change between F and C The display will show the actual temp if the thermistor is good and OP or ...

Страница 31: ...p and down temperature pads simultaneously for up to ten 10 seconds Press fresh food up to advance thru the menu options press power on off to initiate the selected test Pro Select To enter the service mode press and hold control lock and options simultaneously for up to ten 10 seconds Press on the LCD display to advance thru the menu options press power on off to initiate the selected test If ser...

Страница 32: ...pace ERF 2500 and recheck yes Is refrigerator Machine compartment Connections intact No Repair Connections and retest Is 120VAC present on Yel black wire at J3 pin8 on main board Is yellow grey Wire continuity Intact from connection To switch Yes No Repair replace Refrigerator harness and retest Yes Repair Replace Control housing Harness and retest Yes Replace ERF 2500 And recheck No Yes Does yell...

Страница 33: ... waterharness at water Valve connector 120VAC Is 120VAC present At main board J3 Pin 7 tan wire Connector when Paddle depressed And water Selected Replace erf 2500 Is problem fixed Replace UI and retest Replace valve And retest Repair replace Harness and retest Yes No Yes No No ...

Страница 34: ...le depressed and ice selected Replace ERF 2500 Is problem fixed Yes Repair replace auger harness and retest No Yes Are door switches passing 120V on Purple wire when switch is closed Is 120V present at 9 position in ice maker connection No Replace switch and retest Repair replace harness and retest Yes No No Yes Are fresh food machine compartment connections connected No Connect and retest Are rig...

Страница 35: ...connector 120V Is 120V present at main board J3 pin 4 blue white wire connector when paddle depressed and ice selected Replace ERF 2500 Is problem fixed Yes Repair replace solenoid harness and retest Is 120V present between Blue with white wire and Lt Blue wire Repair replace harness and retest Yes No No Yes Are fresh food machine compartment inlines connected No Connect and retest ...

Страница 36: ...pace ERF 2500 and recheck yes Is refrigerator Machine compartment Connections intact No Repair Connections and retest Is 120VAC present on Yel black wire at J3 pin8 on main board Is yellow grey Wire continuity Intact from connection To switch Yes No Repair replace Refrigerator harness and retest Yes Repair Replace Control housing Harness and retest Yes Replace ERF 2500 And recheck No Yes Does yell...

Страница 37: ...No Is microswitch actuated by paddle mechanism during normal user operation Ye s R epair replace microswitch No Flappe r Ice and Water Flow Chart 7 Re pair replace connection and retest R epair replace harnes s and retest Ye s Re place UI and retest No No Are paddle microswitch connections at switch intact Is 6 wire connection to UI driver board intact Ye s Is microswitch properly mounted Ye s Is ...

Страница 38: ...place UI and retest Replace ERF2500 Is problem fixed Is there continuity between the BRN BLU Pin 5 of door harness and ERF2500 J4B Pin 6 Yes Is there continuity between the BRN BLK Pin 3 of door harness connection to ERF2500 J4B Pin 4 Yes Yes Are left and right door hinge connections intact Repair replace harness and retest Are fresh food machine compartment connections intact Repair replace harne...

Страница 39: ...er board intact Ye s Re place ice and water module Is problem corrected Ice and Water Flow Chart 10 R epair replace harness and retest No Is J3 connector at ER F250 0 intact Ye s Is continuity from J3 connector to ea ch device pres tent Re pair replace harness and retest Ye s No No Re place UI and retest Re place ER F2500 Is problem corrected ...

Страница 40: ...f less check service cord and supply voltage NOTE It is recommended for best results that the meter used for this test is a TRUE RMS MULTIMETER A voltage test for both the RMS Meter and a standard Multimeter will be provided 2 Remove the lower power board from under the front of the product See Section 6 for detailed procedure You will use connection J2 terminal 3 RED BLK and terminal 4 BLK WHT on...

Страница 41: ...gh the bracket welded to the compressor See Figure 3 11 Pull the inverter away from compressor Use a small flat bladed screwdriver to remove the plug from the compressor terminals Using an ohmmeter check the resistance between the compressor terminals See testing the compressor If the compressor checks good replace the inverter Testing the Compressor The compressor has a 3 phase 4 pole brushless D...

Страница 42: ...tive switch If no failed connections are identified replace the failed switch If test 3 fails diagnose as follows Determine if failed LED is causing the failure LEDs are connected in series Start by replacing one LED with a known good LED Continue until the failed LED is replaced and the circuit is completed If no failed LEDs are identified proceed to check electrical continuity and identify faile...

Страница 43: ...wer control board If the magnet is not present or is out of place order a replacement door As a precaution verify that the UI and the main board are operative by following procedure outlined above Follow procedure for failed test 3 in Diagonsing LED Fresh Food Lighting Dispenser Models outlined in the previous section Diagnosing Incandescent Fresh Food Lighting Incandescent fresh food lighting is ...

Страница 44: ...Electronic Control 3 22 Voltage Flow Chart Figure 3 20 ...

Страница 45: ...iquid to a solid At this point the temperature will start to drop rapidly Once it has dropped another 13 degrees F the ice maker will go into a harvest cycle Alternately once the thermistor reads 11 degrees F the ice maker will also initiate a harvest cycle The Drive motor will turn the tray CCW counter clock wise and the bail arm will start to drop If the bucket is full the tray will return to th...

Страница 46: ...the air handler the bottom left screw hole is not used The fan motor for the food compartment ice maker is a 12V DC fan motor See Figure 4 5 There is a solenoid to control the cube ice well as the auger motor to dispense ice also mounted in the air handler below the fan motor The solenoid and auger motor are both 115 V AC components Defrost Water Drain The defrost water from the ice maker compartm...

Страница 47: ... removing ice manually from the ice bucket About 1 minute after either event the tray will rotate and drop the bail arm to check the ice level If it detects ice then it will reverse and re enter full bucket mode If it does not detect ice then it will twist and dump the new ice into the bucket go back to the home position fill with water and start the ice making process over again Figure 4 7 Ice Ma...

Страница 48: ...he result displayed the test number test ID will flash on off After the automatic test is completed the test result will be displayed as P pass or F Fail For an interactive test the technician manually activates the load using power on off and physically verifies the system response Pressing power on off again turns the load off The freezer display shows the current or expected state of the load D...

Страница 49: ...rm will sound If you hold the bail arm up as the tray rotates thus simulating the presence of a full ice bucket then the alarm will sound as the tray returns to home position Unless both conditions are met the test is considered failed Test 63C Tray twist test See Flow Chart Test 58C The ice bucket must be removed from the ice maker chamber prior to entering this test Start the test by pushing pow...

Страница 50: ...4 6 Flow Chart 1 No Ice Ice Maker Flex Tray Fresh Food Compartment ...

Страница 51: ...to Testing Water Fill System Page 5 4 No Will water dispense out the door Is water present at inlet of valve on back of product No water to ice maker Advise customer to repair house connections NO Proceed to Testing Water Fill System page 5 4 Yes Enter Ice maker Service Mode Yes No Run test 55 C Does water enter ice maker ...

Страница 52: ...s No No No Yes Yes Run test 55 C Are you getting the correct fill time based on the Cube Size setting See page 4 51 Is the house water pressure between 30 and 100 PSI Advise Home owner to correct pressure problem Yes No Yes Test 52C will start automatically when Entering Service Mode Does thermistor check Good Check for open connections pin backouts etc at the ice maker plug and the lower control ...

Страница 53: ... 150 Watt heater attached See Figure 4 8 An NTC Negative Temperature Coefficient thermistor is attached to the ice mold to start the harvest cycle when the ice mold has reached 28 F The heater will heat the mold until the thermistor indicates that the mold temperature reached 34 F At this point the controller will shut off the heater pull the mold away from the cubes and move it to the fill positi...

Страница 54: ... main evaporator located in the freezer There is a circulating fan motor to supply air movement to the ice maker compartment The fan motor for the food compartment ice maker is a 12V DC fan motor The last part in the rear section is the suction line thermistor mounted to the suction line coming from the fin and tube section of the ice maker evaporator The thermistor is mounted inside foam insulati...

Страница 55: ...ator fingers The motor will shut off and the EEV will open allowing for refrigerant flow through the fingers to start the water freezing process over again If the fill switch on the right side does not make connection when the ice mold moves from the freeze position on the left to the fill position on the right the mold heater will come back on for five minutes to melt any ice that may be obstruct...

Страница 56: ...t cycle the main control board will stop the flow of refrigerant to the ice maker for 20 minutes after the product comes out of defrost to allow the freezer evaporator temperature to recover from the defrost cycle The compressor does not run during defrost so there will be no flow of refrigerant to ice maker during defrost If the temperature in the freezer is 8 F above freezer set point the lower ...

Страница 57: ...EEV and then power down the system unplug refrigerator s AC power cable The valve will close automatically on system POR when the ice maker is turned ON and the system AC power is restored The POR sequence is followed and if needed the reentry back into the diagnostic mode can be performed 31 32 Ice Maker Finger Evaporator Fresh Food Compartment After pushing power on off to start automatic test o...

Страница 58: ... no ice can be on the evaporator fingers Touch the ON OFF key to start the test The ice maker controller will drive the ice mold to the Freeze position During the travel the test ID flashes on the Fresh Food display Test 44C HV Motor Stuck in Freeze Error See Flow Chart Test 63 C The harvest motor failure to move from Freeze to Fill is saved by ice maker and the Freezer display will show E5 when t...

Страница 59: ...ayed accordingly Test 59C Fill Limit Switch Test See Flow Chart Test 59C Interactive test with audio Upon entering the test the ice mold position is checked If is not already in Freeze position the mold is driven to Freeze The Freezer display will show the current status of the Fill limit switch which should be OFF Remove the ice maker cover for better switch access Activate the switch manually to...

Страница 60: ...w access to the determine the condition of the ice mold and so the following flow charts can be used to assist in diagnosis Flow Chart No Ice 1 Mold in Freeze position Left and frozen solid NOTE At the start of Flow Chart 1 it will ask you to check test 48C Freezer recovery Mode if you get a 1 in the freezer temp window the product is not in recovery mode and you should proceed through flow chart ...

Страница 61: ...4 17 Flow Chart No Ice 1 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 62: ...4 18 Flow Chart No Ice 2 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 63: ...4 19 Flow Chart No Ice 3 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 64: ...4 20 Flow Chart No Ice 4 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 65: ...4 21 Flow Chart No Ice 5 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 66: ...4 22 Flow Chart No Ice 6 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 67: ...4 23 Flow Chart Test 48C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 68: ...4 24 Flow Chart Test 49C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 69: ...4 25 Flow Chart Test 50C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 70: ...4 26 Flow Chart 51C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 71: ...4 27 Flow Chart 52C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 72: ...4 28 Flow Chart 54C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 73: ...4 29 Flow Chart 55C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 74: ...4 30 Flow Chart 56C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 75: ...4 31 Flow Chart 57C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 76: ...4 32 Flow Chart 58C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 77: ...4 33 Flow Chart 59C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 78: ...4 34 Flow Chart 60C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 79: ...4 35 Flow Chart 61C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 80: ...4 36 Flow Chart 62C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 81: ...4 37 Flow Chart 63C Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 82: ...4 38 Flow Chart ICE t3 Error Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 83: ...4 39 Ice Maker Body and Switches For Component Teardown Procedures See Section 6 Figure 4 12 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 84: ...4 40 Ice Maker Frame and Auger Motor Components For Component Teardown Procedures See Section 6 Figure 4 13 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 85: ...Evaporator Components For Component Teardown Procedures See Section 6 Attach Heater to Refrigerant Tube with Three Cable Ties Positionrd Approximately as shown Figure 4 14 Ice Maker Finger Evaporator Fresh Food Compartment ...

Страница 86: ...icon grease on the top edge of the mold prevents siphoning of water by capillary action Mold Heater A mold heater rated at 115 volts 81 ohms 10 or 230 volts 340 ohms 10 and covered with an aluminum sheath is embedded in the grooved section on the underside of the mold When mold heater is energized the ice contact surface within the mold is heated enough to allow harvest of ice pieces The mold heat...

Страница 87: ...ce maker 3 Shut off Switch stops ice maker operation when the storage container is full of Ice The switch is opened after the sensing arm is raised to its most upright position The switch is mounted to the top right wall of the ice maker support Thermal Cut Out TCO The thermal cut out is a one time limit fuse used as a safety device It is located under the mounting plate in the head of the ice mak...

Страница 88: ...ling and controlled ice storage require proper functioning and timing of all components Consider the following Has refrigerator been properly installed and connected to sources of electrical power and water Has freezer compartment evaporator pulled down to temperature Have several ice making cycles been completed and is the Ice Maker in the Freeze Cycle Do the ejector blades make two revolutions p...

Страница 89: ...uity readings are open 3 With ejector blades at 4 o clock position check mold heater and ice maker thermostat for continuity Replace heater if continuity readings are open If heater shows continuity replace thermostat 4 Check motor operation with a test cord Replace motor if it fails to start Complaint Ice Maker Continues to Eject When Container is Full 1 Check for loose linkage to the ice maker c...

Страница 90: ...LLOW YELLOW Freezer Compartment Ice Maker Electrical System The Ice Maker mounted in the freezer compartment is NOT a Mid South Ice Maker Use the schematic below for servic ing the Ice Maker Ice Maker Freezer Compartment ...

Страница 91: ...sed C to NC Water Fill Switch open 2 Maker connected to electricity Mold temperature below 15 F Thermostat closes Motor starting Mold heater starting to heat Control Arm in the down position Shut off Switch closed C to NO Hold Switch closed C to NC Water Fill Switch open 3 Maker connected to electricity Mold temperature above 15 F Thermostat closes Motor starting to rotate Power on heater Thermost...

Страница 92: ...lls as finger hits ice cubes Power on heater Control Arm swinging up Shut off Switch closed C to NO Hold Switch closed C to NC Water Fill Switch open Control Arm swinging down 6 Ice Maker connected to electricity Mold temperature below 15 F Thermostat closed Motor starts to rotate as ice breaks loose Power on heater Control Arm is down Shut off Switch closed C to NO Hold Switch closed C to NO Wate...

Страница 93: ...rature below 15 F Thermostat closed Power on heater Control Arm swinging up Shut off Switch closed C to NO Hold Switch closed C to NC Water Fill Switch open Control Arm swinging up 9 Ice Maker connected to electricity Mold temperature below 15 F Thermostat closed Motor is rotating Power on heater Control Arm swinging up Shut off Switch closed C to NC Hold Switch closed C to NO Water Fill Switch op...

Страница 94: ...above 15 F Thermostat open Motor is rotating Mold heater off Control Arm swinging down Shut off Switch closed C to NO Hold Switch closed C to NO Water Fill Switch open 12 Ice Maker connected to electricity Mold temperature above 15 F Thermostat open Motor is rotating Mold heater is in series with water valve Control Arm swinging down Shut off Switch closed C to NO Hold Switch closed C to NO Water ...

Страница 95: ...n Shut off Switch closed C to NC Hold Switch closed C to NO Water Fill Switch open 14 Ice Maker connected to electricity Mold temperature above 15 F Motor not rotating Mold heater off Control Arm in down position Shut off Switch closed C to NC Hold Switch closed C to NO Water Fill Switch open Figure 4 31 Figure 4 32 Ice Maker Freezer Compartment ...

Страница 96: ...4 52 Operating Cycle Illustrations Mechanical The following diagrams illustrate the mechanical operation of an ice maker Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Ice Maker Freezer Compartment ...

Страница 97: ...4 53 Step 7 Step 8 Step 9 Step 10 Ice Maker Freezer Compartment ...

Страница 98: ...4 54 Ice Maker Exploded View For Component Teardown Procedures See Section 6 Figure 4 34 Ice Maker Freezer Compartment ...

Страница 99: ...4 55 4 55 Notes Ice Maker ...

Страница 100: ...4 56 ...

Страница 101: ...de will cause all coils on the secondary valve to open causing water to go into both ice makers and to the water dispenser at the same time If the diode fails in the open position the coil on the secondary valve will open but the coil on the primary valve will not As a result water will not be supplied to the ice makers or the dispenser All diodes can be checked with an ohmmeter to see if they are...

Страница 102: ...k of the housing 5 Push firmly until the cartridge snaps into place you should hear a click as the cartridge engages the snap in connector 6 Press a drinking glass against the water dispenser while checking for any leaks at the filter housing Any spurts and sputters that occur as the system purges air out of the dispenser system are normal 7 After filling one glass of water continue flushing the s...

Страница 103: ...FILTER BADGE TUBE FROM BADGE SOLENOID TO WATER FILTER YELLOW TUBE TUBE TO DISPENSER FROM TOP DOOR HINGE GREEN TUBE TO FOOD COMPARTMENT ICE MAKER FOOD COMPARTMENT ICE MAKER ICE MAKER WATER FILL TUBE ASSEMBLY CLEAR TUBE FROM WATER TANK TO INLET OF TRIPLE COIL VALVE CLEAR TUBE FROM WATER FILTER TO WAETR TANK Note Some non dispenser models are constructed with a single water valve BROWN WATER LINE FRO...

Страница 104: ...secondary valve The water through the door coil of the secondary water valve yellow coil is a 15 watt coil Voltage Readings Are Different Between Primary And Secondary Valve Coils If you are getting 10V or less at the primary valve but you are getting 85V to 100V at the secondary you have a bad diode If you are getting 48V to 58V at the primary valve and 90V or higher at the secondary this is norm...

Страница 105: ...om operating Voltage Readings At Green Coil Of Secondary Valve When Ice Maker is Filling Voltage at Outlet Voltage at Coil Condition 120VAC 120 10 VAC Normal 100VAC 100 10 VAC Normal at 105VAC 100 120VAC 20 76 VAC Bad connection Bad Ice Maker control board Voltage Readings At Yellow Coil Of Secondary Valve When Filling A Glass With Water Voltage at Outlet Voltage at Coil Condition 120VAC 119 10 VA...

Страница 106: ...Water System 5 6 ...

Страница 107: ...POWER TO A FRENCH DOOR BOTTOM FREEZER REFRIGERATOR MUST BE DISCONNECTED WHENEVER ACCESSING AND OR REMOVING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR OTHER ELECTRICAL COMPONENTS AFTER SERVICE IS COMPLETED BE SURE ALL SAFETY GROUNDING CIRCUITS ARE COMPLETE ALL ELECTRICAL CONNECTIONS ARE SECURE AND ALL ACCESS PANELS ARE IN PLACE IF UNIT WAS USED PRIOR TO SERVICE THE COMPRESSOR ASSEMBLY WIL...

Страница 108: ...move water line from dispenser 4 Extract the two screws securing the dispenser in the housing See Figure 6 3 5 Pull dispenser away from housing Disconnect the Molex plug from the rear of dispenser 6 To service the control board disconnect the electrical lead from the control board 7 Push back the retaining clips while gently pushing the control board out from the housing See Figure 6 4 8 Remove th...

Страница 109: ...ouch control Disconnect the ribbon connec tor at the bottom of the control See Figure 6 7 6 Push out on the 6 retainer tabs one at a time start ing from the bottom of the board and lift the board up past the retainer This will allow removal of the control board from the touch panel To reassemble 1 Place the board over the touch control housing Press the board past the retainers one at a time start...

Страница 110: ...iry compartment is designed to be warmer than the open area and includes See Figure 6 9 NOTE The dairy compartment is located in the left side fresh food door on non dispenser models Tall Bottle Retainer Removal Optional The tall bottle retainer keeps tall containers in the bin from falling forward when opening or closing the refrigerator door To remove pull the ends of the retainer out the holes ...

Страница 111: ...the mullion straight up off the 3 pivot pins 5 Disconnect the electrical connector located behind the center pivot bracket and remove the mullion 6 Resemble in reverse order Top Door Hinge Cover Removal To prepare for removing the doors 1 Make sure the electrical power cord is unplugged from the wall outlet 2 Remove any food from the door shelves and close the doors To remove the top hinge covers ...

Страница 112: ...press inward on the outer sleeve while pushing the tube toward the connector then while continuing to hold in the sleeve pull the tube away See Figure 6 15 and Figure 6 18 5 Unscrew the three 3 lower hinge screws and hinge if necessary See Figure 6 19 To reinstall the doors reverse the above steps Once both doors are in place ensure they are aligned with each other and level Replace the top hinge ...

Страница 113: ...val 1 Remove all items from basket 2 Remove the basket by tilting it forward and lifting it from the retainer clips See Figure 6 21 3 To reinstall lower basket insert basket into retainer clips Freezer Drawer 1 Open freezer drawer 2 Remove drawer screws on right and left sides two 2 screws on each side See Figure 6 22 3 When reinstalling snug drawer screws then turn another 1 4 turn 3 Close freeze...

Страница 114: ...me and remove from unit See Figure 6 25 Eyebrow Trim Removal NOTE The eyebrow trim switches and humidity sensor mounted under the eyebrow trim are only used on mod els equipped with a dispenser The eyebrow trim extends across the front top of the unit cabinet and covers the door switches wire harness and humidity sensor To remove the eyebrow trim 1 Remove upper hinge covers 2 Extract the screws se...

Страница 115: ... trim across the top front of them cabinet between the hinge covers The sensor will turn on the heater when the humidity in the room is over 50 and turn the heater back off when the humidity drops below 50 To replace the sensor 1 Disconnect power from unit 2 Remove the screws securing the eyebrow to the cabinet exterior between the top hinge covers 3 Tip the cover forward and lift it free of the c...

Страница 116: ...er Filter The water filter is located at the top right side of the fresh food compartment See Figure 6 31 Replacing the Water Filter In general you should change the water filter every six months to ensure the highest possible water quality Water Filter Status on the user interface prompts you to replace the filter after a standard amount of water 200 gallons 757 liters for PureSource 3 has flowed...

Страница 117: ...d the Air Filter Reset button on the control panel for three 3 seconds When the dis play changes from Replace to Good the status has been reset 6 The Air Filter Reset will turn itself off after a few seconds Fresh Food Compartment Thermistor Removal The food compartment thermistor is located to the right of the center shelf support bracket just above the crisper on the back wall of the food compar...

Страница 118: ... from the cabinet See Figure 6 36 Freezer Compartment Light Switch Removal The freezer compartment light switch is located in the left side center of the freezer liner toward the back of the freezer To remove the freezer compartment light switch 1 Disconnect power from unit 2 Remove the upper two freezer baskets if equipped 3 Using a putty knife inserted between the liner and switch push down and ...

Страница 119: ... Rail Removal To release the freezer basket drawers from the rails push the release lever as shown and pull drawers from rails See Figure 6 39 On some models you will need to remove the front trim for the top two baskets Remove one screw from each side of the basket rail going into the trim and pull the trim straight out On the lower basket rail assembly there is a linkage bar between the two gear...

Страница 120: ...duct The larger box is the main control board gray box The smaller box is the lighting control board white box 1 Disconnect power from unit 2 Open the freezer 3 Remove the toe grill from the bottom of the cabinet The plastic box containing the power board will now be visible See Figure 6 42 4 Remove the screw in the middle of the front of the box and slide the control box forward The back of the c...

Страница 121: ...m unit See Figure 6 43 Ice Maker and Mounting Plate Non Dispenser Models To remove the ice maker 1 Disconnect refrigerator from electrical supply 2 Remove the freezer door 3 Remove freezer section baskets 4 Remove ice maker air duct 5 Disconnect ice maker from wire harness connection 6 Extract the one screw at the front of mounting plate See Figure 6 44 7 The ice maker will then slide forward to a...

Страница 122: ... basket rail assembly there is a linkage bar between the two gears Pull rails out and expand them enough to remove bar 4 Remove 3 screws from fan motor cover and lift out of evaporator cover See Figure 6 47 5 Remove evaporator cover 6 Remove 2 screws from fan motor mounting bracket Lift the fan assembly up and out away from the liner 7 Disconnect wire harness connector Evaporator fan motor assembl...

Страница 123: ... Remove screws from evaporator cover and remove from freezer 6 Disconnect two leads to defrost heater See Figure 6 50 7 Unclip ground wire hooked to drain trough 8 Remove screw holding evaporator bracket through drain trough to cabinet 9 Remove rivet holding bracket to trough and set bracket aside for reuse 10 Remove screw holding drain trough to cabinet 11 Lift up and pull evaporator and drain tr...

Страница 124: ...cated in the top left corner of the food compartment Figure 6 52 Ice Maker Removal Disconnect power from the unit before performing this procedure 1 Remove the two screws holding the Housing Front Cover to the Ice Maker Housing Figure 6 53 2 Pull the bottom left of the Housing Front Cover for ward so that the notch is clear of the raised edge around the front opening of the Housing 3 Pull the Hous...

Страница 125: ...the ob long hole in the top of the Housing Be sure the long end of the Funnel is oriented toward the rear of the housing IMPORTANT The slotted opening in the funnel must not be squeezed or deformed in any way 4 Place a new gasket over the Funnel The gasket must be centered over the funnel so the opening of the funnel is not obstructed Fill Tube Removal and Replacement Disconnect power from the uni...

Страница 126: ...e Evaporator Housing are compromised The rear most gasket must always be replaced and all other Evaporator Housing gaskets must be evaluated and replaced if deformed or damaged This is essential to ensure that any water collected within the ice maker air handler assembly during normal operation is contained and drains properly 1 After completing the Ice Maker Housing Removal pro cedure remove the ...

Страница 127: ... the Plunger will operate freely without binding and will fall to its bottom position under its own weight The Fan is held in only by the foam gaskets wrapped around it There are no screws 6 To remove the Fan grasp it by the blades lift it out of the Air Handler and disconnect the lead wire Figure 6 62 7 To replace the Fan connect the lead wire and care fully push the fan into the square pocket in...

Страница 128: ...be 189Ω 7 5 The heater is pressed into channels in the front face of the Evaporator There are wire ties that are wrapped around the heater and the Evaporator tubing to hold the heater in place The Bimetal Thermostat is wired in series with the heater The Thermostat will open at approximately 47 F and close at approximately 25 F The Heater and Thermostat must be replaced together The replacement He...

Страница 129: ...is aligned with the tips of the small wings on either side of the Housing as shown Figure 6 67 3 Be sure the aluminum liner and the tape are in place and carefully slip the Housing onto the bottom of the Evaporator and slide it upward Note Use care to make sure the Heater stays in the proper position 4 Push the Housing all the way to the top of the Evapo rator It is in the proper position when the...

Страница 130: ...sses through the square hole at the top front of the Housing Figure 6 71 5 Push the Housing into position all the way against the back of the fresh food liner and up into the top left corner of the fresh food compartment 6 Install the screws in the front of the Housing Note One or both of the left side screws may have not been used Ice Maker Replacement Disconnect power from the unit before perfor...

Страница 131: ...arness coming from the ice maker and the Air Handler are inside the notch in the Harness Cover Figure 6 73 Note Use care to make sure that all the wires are com pletely inside the cover so they do not get pinched 7 Push the Cover into position and drive in the screw The extended lip on the front of the cover is to be in serted into the slot on the top of the ice maker housing Figure 6 74 8 To inst...

Страница 132: ... To service the ice maker you will need to remove the Ice bucket by pulling the ice bucket out of the ice maker assembly Ice Bin Housing Removal To remove the ice bin housing from the ice maker 1 Remove the fresh food compartment shelves to aid in access the ice maker components 2 Remove three 1 4 mounting bolts that pass through the housing and fasten into the frame of the ice maker assembly See ...

Страница 133: ...e with a new one See Figure 6 78 Ice Maker Drive Motor Removal To replace the drive motor 1 Unplug unit from wall outlet Remove the ice bin housing 2 Disconnect the wire harness from drive motor 2 Extract the two screws securing the drive motor to the gear box See Figure 6 79 3 Slide the motor straight back off the shaft Install the new motor using caution to line the gear on the shaft up with the...

Страница 134: ...st above the back of the ice mold See Figure 6 82 6 Remove the ice mold assembly 7 Extract the front pivot pin This will allow the front of the ice mold to drop away from the front pivot plate NOTE There is a clear plastic bushing that covers the first 1 4 inch of the pivot pin You do not need to remove the bushing to remove the pin If you replace the pin you must transfer the bushing form the old...

Страница 135: ...he suction line coming from the fin and tube section of the ice maker evaporator The thermistor is mounter inside foam insulating tape and senses temperature of the suction line and relays this information back to the control board for EEV operation See Figure 6 86 To replace the suction line thermistor T3 disconnect power from the unit and remove the side plate Remove the thermistor from the suct...

Страница 136: ...t with a vise grips or pliers and turning the drive bar counterclockwise until free of auger motor shaft 6 Extract the three motor mounting screws labeled A in Figure 6 87 then remove from mounting plate 7 Extract the four screws labeled B in Figure 6 87 from the solenoid assembly then remove from mounting plate 8 Replace assembly in reverse order To Test Auger Motor 1 Read ohmic value of motor wi...

Страница 137: ...f the tab and disconnect the wire harness Reassemble in reverse order Ice Maker Frame Assembly Removal To replace the ice maker frame assembly remove all previously listed ice maker components that are mounted to the frame assembly 1 Unplug unit from wall outlet Remove the ice bin housing and side plate 2 Remove the ice mold assembly and ice auger motor 3 Remove the fan and thermostat housing 4 Ex...

Страница 138: ...ract the four screws securing crusher housing to the steel mounting plate See Figure 6 93 6 Slide crusher housing off of the steel plate 7 The auger nut is a left hand thread round plastic nut Remove to gain access to the crusher blades Each blade is separated by a spacer A crusher hammer is mounted between crusher blades number two and four A pin is pressed into the crusher hammer securing it to ...

Страница 139: ...up to room temperature before removing the front cover This prevents moisture from condensing on the metal components To remove the front cover 1 Disconnect refrigerator from electrical supply 2 Remove the ice maker from freezer compartment 3 Ensure that ice maker is at room temperature before removing front cover 4 Place straight blade of screwdriver in slot at bottom of mold support and pry cove...

Страница 140: ...the wiring harness is properly positioned and the sweep arm is in place 7 Check water fill cycle and adjust as required 8 Replace front cover Motor Removal To remove the motor 1 Disconnect refrigerator from electrical supply 2 Remove the ice maker from freezer compartment Remove mounting bracket 3 Disconnect two motor leads 4 Remove two motor mounting screws 5 Replace motor in reverse order Water ...

Страница 141: ...ond to mold 6 Replace thermostat in reverse order Thermal Cut Out TCO Removal To remove the thermal cut out TCO 1 Disconnect refrigerator from electrical supply 2 Remove the ice maker from freezer compartment Remove mounting bracket 3 Remove front cover 4 Pull cable assembly free from support housing It will slide out easily 5 Loosen screw securing clamp to TCO TCO should come free after tension f...

Страница 142: ...ter from the mold groove 9 Use a flat bladed screwdriver to pry inoperative heater from mold groove 10 Clean remaining thermal mastic sealer from mold groove 11 Apply layer of thermal mastic sealer to mold groove 12 Install replacement mold heater 13 Replace parts in reverse order Ensure that thermo stat gasket is in place Bond the thermostat to mold with thermal mastic sealer NOTE For best operat...

Страница 143: ...e The compressor area mounting tray does not need to be dropped to remove the fan assembly To remove the condenser fan assembly 1 Pull unit from its installation position and unplug from wall outlet 2 Extract the screws securing the compressor shield to the unit frame and remove from unit 3 Disconnect wire leads to condenser fan motor at Molex connector 4 Extract the three bolts securing the fan a...

Страница 144: ...6 38 Component Teardown ...

Страница 145: ... system repairs The person making the repairs must know and understand all laws Local and International governing handling of all refrigerants The technician must be trained in the use of recovery and recycling equipment Electrolux Home Products Inc cannot be responsible nor assume any liability for injury or damage of any kind arising from the use of this manual Before entering the sealed system ...

Страница 146: ...nce with Safety Standards Set For Home Appliances 6 GROUNDING The standard color coding for safety ground wires is GREEN or GREEN with YELLOW STRIPES Ground leads are not to be used as current carrying conductors It is EXTREMELY important that the service technician reestablish all safety grounds prior to completion of service Failure to do so will create a hazard 7 Prior to returning the product ...

Страница 147: ... rate On some models a larger condenser will be used to reduce the discharge pressures and lower start up sound transmission A different filter drier will be used on refrigerating systems with R 134a The molecules of R 134a are smaller than those of R 12 therefore a dryer with smaller pores is necessary Otherwise R 134a could be trapped inside the filter drier along with the water On some products...

Страница 148: ...he refrigerant to determine that appropriate product specifications are met This term usually implies the use of processes or procedures available only at a reprocessing or manufacturing facility Equipment Needed for Evacuation Recharging 1 1 Heated Dial A Charge charging cylinders 2 1 Recovery Recycling equipment 3 1 Tank for each type of refrigerant you use in service Do not mix refrigerants in ...

Страница 149: ...rse the major parts of the motor and compressor in liquid refrigerant a situation has been created which when followed by a sequence of circumstances can lead to the compressor shell seam separating A hydraulic block occurs preventing the compressor from starting This condition is known as locked rotor Electric current continues to flow through the compressor motor windings which become in effect ...

Страница 150: ...operation Liquid refrigerant is evaporated in the evaporator by the heat that enters the cabinet through the insulated walls and by the heat from product load and door openings The refrigerant vapor is then drawn from the evaporator through the suction line to the compressor Compression raises the pressure and temperature of the vapor in the compressor and the vapor is then forced through the disc...

Страница 151: ...e tap valve and allow refrigerant to flow into an approved tank See Figure 7 4 3 Allow the recovery pump to run until the system has reached 13 inches of vacuum 4 Shut system down and allow to set for two minutes If pressure is below 0 pounds per square inch disconnect equipment and proceed with repair 5 If pressure does not stay bellow 0 pounds per square inch repeat steps 3 and 4 until ail refri...

Страница 152: ...hanging the compressor If a high side leak is located and some refrigerant remains in the system it is not necessary to change the compressor Testing for Refrigerant Leaks If the system is diagnosed as short of refrigerant and the system has not been recently opened there is prob ably a leak in the system Adding refrigerant without first locating and repairing the leak or replacing the component w...

Страница 153: ...il discharge is clear 5 Disconnect cap tube from evaporator Flush evaporator in same manner as condenser 6 Flush cap tube This is only possible if you have a proper service valve adapter 7 Reassemble system Flushing The System With Nitrogen It is recommended that system be flushed with dry Nitrogen However if refrigerant is used to flush the system you must look at the serial plate to see what typ...

Страница 154: ...and a holding charge of inert gas Compressors have a low side process tube attached to the compressor shell A high side process tube is attached to the filter drier Replacement compressors for refrigerators may have an oil cooler even if the original compressor did not If the product is not equipped for an oil cooler leave the plastic caps in place and install the compressor connecting only to the...

Страница 155: ... the cap tube just in front of the weld See Figure 7 6 6 Cut the suction line coming from the ice maker evaporator at the weld coming out of the Liner See Figure 7 7 7 Remove evaporator from inside the freezer 8 Clean end of suction line as well as the cape tube Straighten line and slightly bend toward front of cabi net to aid in installing shield 7 Release holding charge release slowly to avoid o...

Страница 156: ...ning to the accumulator and weld in place On models with a Flex Tray ice maker place the line in the inlet of the freezer evaporator and weld in place 15 With a sharp knife cut along a seam on the heat shields from center hole to edge of shield Remove the shields from the freezer 16 Push evaporator back in place 17 Slide fan and bracket assembly in place and connect defrost heater Mount limit swit...

Страница 157: ...filter drier 16 Evacuate and recharge system 17 Bend remaining tubing to fit into machine compartment opening being careful not to set up any excess noise from line vibration 18 Run product to make sure refrigerant is circulating 19 Reinstall evaporator and machine compartment cover Cut Cap Tube At Liner Cut Suction Tube At Liner Figure 7 9 Ice Maker Evaporator Assembly Replacement The ice maker e...

Страница 158: ...evaporator located in the top left corner of the food compartment Because of this the original parts can not be removed There is a service kit to bypass the internal heat exchanger It will be necessary to run a new heat exchanger down the back of the product and bypass the internal heat exchanger if the heat exchanger has a leak or the cap tube is restricted Heat Exchanger Kit Contains 1 Heat Exch...

Страница 159: ...oduct to make sure refrigerant is circulating 26 Reinstall evaporator and machine compartment cover Freezer Heat Exchanger Replacement Flex Tray Ice Maker Models Note Models with the flex tray ice maker in the food compartment only have a suction line going to the copressor from the freezer evaporator The cap tube runs from the filter drier to the food compartment ice maker evaporator inlet A jump...

Страница 160: ...nd compressor com partment Ice Maker Evaporator Assembly Replacement Flex Tray Ice Maker Models The ice maker evaporator assembly is located inside the ice maker compartment in the top left section of the food com partment The cap tube and jumper tube can not be removed with the evaporator Because of this all line welds will be made inside the freezer The evaporator kit contains a heat shield to p...

Страница 161: ...ng a 1 4 drill bit drill hole through cabinet from inside just above the original heat exchanger 8 Using a 1 2 drill bit open hole drilled in Step 7 to 1 2 from back of product 9 Place a heat shield between the food liner and the ice maker evaporator 10 Remove stubs of old Jumper tube from evaporator and install new heat exchanger into evaporator 11 Push jumper tube through hole in cabinet and con...

Страница 162: ...ice Diagnostic Test 49C and toggle the EEV Electronic Expansion Valve to ON prior to flushing or evacuating the sealed system Models with the finger type refrigerated ice maker in the food compartment of a French Door Bottom Freezer Refrigerator requires a second cap tube that must be installed in the filter drier This required a kit to be set up containing a Tee to connect the second cap tube The...

Страница 163: ...core mark from filter drier 5 Cut condenser outlet tube at filter drier Discard filter drier 6 Thoroughly clean condenser outlet tube and capillary tube 7 Place inlet connection of filter drier over condenser tube approximately and solder 8 Insert capillary tubes input end into filter drier outlets See Figure 7 12 13 and 14 Do not allow tube to bottom against screen Solder carefully so that solder...

Страница 164: ...ing servicing repairing or disposing of refrigerant equipment A hot tube repair kit is used to bypass a leaking Perimeter Hot Tube Yoder Loop The Perimeter Hot Tube must be bypassed in the sealed refrigeration system and a low wattage heater wire installed inside the tube This heater will prevent condensation from forming on the exterior front edge of the cabinet Hot Tube Heater Kit Contains 1 Cop...

Страница 165: ...placed cut process tube with tubing cutter leaving as much tube as possible but removing the line tap valve installed to remove the refrigerant Install the correct sized process tube adapter 4 Attach refrigeration service gauge manifold to system in following order a Low side compound gauge hose to suction side process tube adapter b High side pressure gauge hose to high side process tube adapter ...

Страница 166: ... a vacuum of 600 microns is obtained 3 Close the manifold valve connected to the vacuum pump Watch the compound gauge for several minutes If the reading rises there is a leak in the system go to step 4 If no leak is indicated stop the vacuum pump The system is now ready for charging 4 If a leak is indicated stop the vacuum pump and introduce a small charge of refrigerant into the system by crackin...

Страница 167: ...d Shutof f Va lve Jumper Tube Outlet Ice Maker Evaporator to Inlet Freezer Evaporator Condenser Hot Tube Filter Drie r Compresso r Cap Tube Freez er Ev aporator Freez er Ev aporator 2 Stag e Va cuum Pump Heated Charging Cylinder Proces s Tube Adapters Pressure Gaug e Compound Gaug e Gaug e Manifold T Fitting Hand Shutof f Va lve Figure 7 22 Installation of Recovery Equipment Dispenser with Flex Tr...

Страница 168: ...ich could damage an R 134a system At the earliest stage of development work on R 134a tests were carried out on a different type of synthetic oil known as Poly Alkaline Glycol PAG This oil is also used in certain air conditioning systems for cars PAG and Ester oil DO NOT mix with one another Service equipment used for R 134a Ester oil must not come into contact with PAG Charging The System Prepari...

Страница 169: ...vacuum pumps check with the manufacturer for restrictions and guidelines when using with R 134a If you use a vacuum pump with mineral oil to evacuate an R 134a system it is ABSOLUTELY ESSENTIAL to have a shut off valve between pump and your manifold gauge set The hand valve must be closed during all times when vacuum pump is not operating This will prevent migration of mineral oil vapor into R 134...

Страница 170: ...o defrost models only The service technician should inquire as to the number of people in the family to determine the service load and daily door openings In addition he should know the room temperature for refrigerator and freezers For air conditioners check room size temperature amount of people windows and other factors that increase the load on the product After this phase of diagnosis is comp...

Страница 171: ...epression with narcosis lethargy and anesthetic effects Other effects that may occur include dizziness a feeling of intoxica tion and a loss of coordination Continued breathing of high concentrations of HFC 134a vapors may produce car diac irregularities cardiac sensitization unconsciousness and with gross overexposure death Intentional misuse or deliberate inhalation of HFC 134a may cause death w...

Страница 172: ...refrigeration system when the compressor is running the pressure in the low side will go into a vacuum As additional refrigerant leaks out the system will go deeper into a vacuum The system running in this vacuum will allow air and moisture to be pulled into the sealed system The moisture pulled in can then be mixed in to the Ester oil in the compressor If the product has had a low side leak you w...

Страница 173: ... be monitored routinely Air lines should never be connected to storage tanks Filling and Charging Operations Before evacuating cylinders or refrigeration equipment any remaining refrigerant should be removed by recovery system Vacuum pump discharge lines should be free of restrictions that could increase discharge pressures above 15 psi 205 kPa and result in formation of combustible mixtures Cylin...

Страница 174: ...t of liquid at 80 F 26 7 C Btu lb F 0 341 Specific heat of vapor at constant pressure 1 atm and 80 F 26 7 C Btu lb F 0 204 Flammable range volume in air None Ozone depletion potential 0 Greenhouse warming potential estimate 0 285 Flame limits measured using ASTM E681 with electrically activated kitchen match ignition source per ASHRAE Standard 34 Comparative Cycle Performance Evaporator temperatur...

Страница 175: ...2 2 103 9 99 8 20 28 9 3 7 0 6 95 35 0 113 5 108 3 15 26 1 0 0 2 4 100 37 8 123 6 117 2 10 23 3 1 9 4 5 105 40 6 134 3 126 6 5 20 6 4 1 6 7 110 43 3 145 6 136 4 0 17 8 6 5 9 2 115 46 1 157 6 146 8 5 15 0 9 1 11 8 120 48 9 170 3 157 7 10 12 2 12 0 14 6 125 51 7 183 6 169 1 15 9 4 15 0 17 7 130 54 4 197 6 181 0 20 6 7 18 4 21 0 135 57 2 212 4 193 5 25 3 9 22 1 24 6 140 60 0 227 9 206 6 30 1 1 26 1 2...

Страница 176: ...the outgoing heat energy This process slows the heat loss making the earth s surface warmer than it would be if this heat energy had passed unobstructed through the atmosphere into space The warmer earth s surface in turn radiates more heat until a balance is established between incoming and outgoing energy This warming process caused by the atmosphere s absorption of the heat energy radiated from...

Страница 177: ...wer atmosphere They have many of the useful properties of the CFCs Because they do not contain chlorine they are not involved in ozone depletion NOT IN KIND NIK Technologies Technologies that do not rely on the use of fluorocarbons Ozone Ozone formed in the stratosphere by the action of sunlight on oxygen is also an airborne pollutant near ground level Low altitude tropospheric ozone is formed by ...

Страница 178: ...7 34 Sealed System ...

Страница 179: ...o the lower control board If the food compartment is calling for cooling the automatic damper in the back air channel behind the crisper drawer of the food compartment will open and allow cold air to enter the food compartment The air is then carried up the air channel to the top and discharges into the top of the food compartment If the food compartment calls for cooling but the fan is not runnin...

Страница 180: ...Air Circulation 2 ...

Страница 181: ...Wiring Schematics 9 1 Dispenser Models with Flex Tray Fresh Food Ice Maker ...

Страница 182: ...Wiring Schematics Dispenser Models with Finger Evaporator Fresh Food Ice Maker 9 2 ...

Страница 183: ...Wiring Schematics Non Dispenser Models 9 3 ...

Страница 184: ...Wiring Schematics ...

Страница 185: ...Wiring Schematics Dispenser Model with Flex Tray Fresh Food Compartment Ice Maker 242121001 9 4 ...

Страница 186: ...Wiring Schematics Dispenser Model with Finger Evaporator Fresh Food Ice Maker 242058901 9 5 ...

Страница 187: ...Wiring Schematics 9 6 242107201 Non Dispenser Model See page 9 3 for ERF 2500 Control Schematic ...

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