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November 1996

31

RS1200001

Electronic Functional Description

To avoid electrical shock which can cause severe personal injury or death, disconnect power to
refrigerator using power switch before servicing.  Wires removed during disassembly must be replaced on
proper terminals to insure correct earthing and polarization. After servicing, reconnect power using power
switch.

WARNING

Summary of Contents for Bottom Freezer Refrigerator

Page 1: ...meany responsibilityforpropertydamageorpersonal injuryforimproperserviceproceduresdonebyan unqualifiedperson Bottom Mount Refrigerators Refer to Technical Sheet part 12074201 for values and wiring schematics Raytheon Appliances RS1200001 Revision 0 November 1996 Base manual covers 84 tall bottom mount refrigerators ...

Page 2: ...a qualified electrician and have the two prong wall receptacle replaced with a properly grounded three prong wall receptacle in accordance with the National Electrical Code Refrigerator is designed to operate on a separate 103 to 126 volt 15 amp 60 cycle line Do not under any circumstances cut or remove the round grounding prong from the plug Refrigerator must be grounded at all times Do not remov...

Page 3: ...e A Functions 29 Mode B Functions 29 Exiting Program Mode 30 Refrigeration and Defrost Component Checks Made at High Voltage Board 32 Circuitry 33 Freezer Compartment Refrigeration Cycle Circuitry 33 Fresh Food Compartment Refrigeration Cycle Circuitry 33 Fresh Food and Freezer Compartment Refrigeration Cycle Circuity 33 Adaptive Defrost Circuitry 33 Door Disassembly Procedures Air Discharge Grill...

Page 4: ...ctor Blades or Stripper 44 Accessing Control Box 44 Water Fill Adjustment 44 Water Problems 45 Temperature Problems 45 Thermostat 45 Wiring Harness 45 Water Valve 46 Wiring Harness 46 Ice Maker Troubleshooting Chart 47 Ice Maker Wiring Diagram and Parts Layout 50 Trim Kit Installation Instructions B136CKR1 and B136CKL1 Custom Handle Kit 51 B136SPK1 1 4 Facia Front Enclosure Kit 58 B136SPK2 3 4 Sid...

Page 5: ...s electrical and plumbing locations and minimum door and drawer clearances are accurate 6 Position refrigerator in front of cutout 7 Remove air grille assembly by lifting center blade Uncrating WARNING To avoid severe personal injury or property damage from refrigerator tipping over 2 or more people are required to install refrigerator Take caution when removing refrigerator from skid Do not drop ...

Page 6: ...s Showroom switch Power switch 12 Roll refrigerator into cutout to within 3 of being flush with kitchen cabinets To avoid kitchen cabinet damage place cardboard between kitchen cabinets and refrigerator Push cardboard back with refrigerator and remove cardboard when refrigerator is in place Remove power cord slack by pulling nylon cord straight out while pushing refrigerator completely into place ...

Page 7: ...n Handle Refrigerator Door Water Connection The garden hose fitting compression nut and sleeve are located in the literature packet Amana Clean n Clear Bayonet Style Water Filtration System WF60 is shipped in crisper drawer See water filter installation and operating instructions for specifics 1 Flush air and impurities from water line by turning on water supply and running a pint or more of water...

Page 8: ...mbly forward 3 Open refrigerator door so door stop arm and shoulder screw are accessible Shoulder screws should be in 110 door opening position 4 Remove shoulder screw and place shoulder screw in the 90 or 120 door opening position Freezer Door 120 door opening position 110 door opening position 90 door opening position Door stop arm Shoulder screw Hinge Adjustment Verify proper door alignment Wai...

Page 9: ...system evaporator and heat exchanger refrigerant flow gurgles pops or sound like boiling water Defrost heater sizzles hisses or pops Condenser fan air rushes and whirs Compressor has a high pitched hum or pulsating sound Ice cubes from ice maker drop into ice bucket Ice maker water valve hookup buzzes when ice maker fills with water This occurs whether or not refrigerator is connected to water sup...

Page 10: ...mer Colder Increase Refrigerant Shortage Decrease Decrease or Increase See Refrigerant Shortage Symptoms Colder Warmer Warmer Decrease Partial Restriction Decrease Decrease or Increase See Restriction Symptoms Colder Warmer Warmer Decrease Air in System Near Normal Increase Warmer Warmer Warmer Increase Low Ambient Installation Reverse for High Ambient Installation Decrease Decrease Colder Warmer ...

Page 11: ... compressor and accumulates in high side condenser of system Partial frosting of evaporator Restriction Symptoms Refrigeration cooling occurs on low pressure side of partial restriction Total restriction will stop circulation of refrigerant and no cooling will occur Touch refrigeration lines Most common place for restriction is at drier filter or capillary tube inlet or outlet If partial restricti...

Page 12: ... lower ambient results in decrease in power consumption and run time At lower ambients there is reduction in cabinet heat leak which is partially responsible for lower power consumption and run time An increase in refrigeration will not occur below certain minimum ambient temperature Temperature varies with type and design of refrigerator Ambient temperatures lower than 55 F will affect efficiency...

Page 13: ...FC12 Low side system operating HFC134a approximately 2 psig Pressure at 65 F 18 C ambient lower than CFC12 Compared to CFC 11 1 Caution To minimize contamination exercise extreme care when servicing HFC134A sealed systems No trace of other refrigerants is allowed in HFC134a systems Chlorinated molecules in other refrigerants such as CFC12 etc will lead to capillary tube plugging Ester oil is used ...

Page 14: ...57532 Copper tubing Use only part R0174075 and R0174076 Dry nitrogen 99 5 minimum purity with 40 F or lower dew point Crimp tool Tube bender Micron vacuum gauge Process tube adaptor kit Heat trap paste ICI appliance grade HFC134a Drier Replacement Prior to opening refrigeration system recover HFC134a refrigerant for safe disposal Every time sealed HFC134a system is repaired drier filter must be re...

Page 15: ... Turn control to colder to obtain required on time Wattage reading must be recorded in conjunction with temperature test to confirm proper operation Suction and head pressures are listed on Temperature and Relationship Chart Normally these are not required for diagnosis but used for confirmation on systems which have been opened Refrigerant Charge Refrigerant charge in all capillary tube systems i...

Page 16: ...erant charge repair leak and begin at step 1 6 Once system is ready to charge close valve A vacuum pump C thermistor vacuum gauge and E low side manifold gauge 7 Check serial plate for correct charge and set scale on dial a charge cylinder for corresponding HFC134a pressure reading Do not use captured or recycled refrigerant in Amana refrigerators Use of captured or recycled refrigerant voids any ...

Page 17: ...November 1996 17 RS1200001 Refrigerant Flow ...

Page 18: ...RS1200001 18 November 1996 Air Flow ...

Page 19: ...November 1996 19 RS1200001 Machine Compartment Assembly ...

Page 20: ...r terminals w ith ohmeter set on X1K scale Needle should jump tow ards 0 ohms and quickly move back to infinity If needle does not move the capacitor is open If needle reads a constant value at or near 0 ohms the capacitor is shorted If needle jumps tow ards 0 and then moves back to a constant high resistance not infinity the capacitor has a high resistance leak Operation Test If motor w inding te...

Page 21: ...ated in compressor compartment Condenser is on high pressure discharge side of compressor Refrigerant flow s fromcompressor into a pre condenser serpentine below drain pan to evaporate defrost w ater Fromserpentine refrigerant flow s into pre condenser loop Yoder loop foamed around freezer door opening to help control external condensation around freezer door and on flange Higher pressure refriger...

Page 22: ...r common terminal 3 With ohmmeter check resistance betw een 1 4 male terminal and female pin receptacle terminal w hich pushes onto compressor common terminal At ambient temperature overload protector should have less than 1 ohmresistance An open overload protector w ill have infinite resistance When voltage is connected and PTC is cooled current passes through PTC to the start w inding After a sh...

Page 23: ...ow room SPDT On position completes pow er to lights and display only Off position completes circuit for normal operation Check resistance at test points Show roomoperation E3 at high voltage board to pin 3 blue w hite w ire at high voltage w ire harness Unit run E9 at high voltage board to pin 3 blue w hite w ire at high voltage w ire harness Sw itch slide Check resistance across terminals Sw itch...

Page 24: ...l w indings Thermostat is in a series circuit betw een high voltage board and defrost heater Opens and breaks circuit w hen thermostat senses preset temperature above freezing After defrost thermostat opens thermostat remains open until end of defrost cycle and refrigerator starts cooling again and defrost thermostat senses a preset temperature generally below freezing At this temperature defrost ...

Page 25: ...November 1996 25 RS1200001 Electronic Functional Description ...

Page 26: ...l is reached 2 If pad is pressed continually temperature level will lower at accelerated rate 3 Activate temperature setting area of display by pressing Colder pad DANGER High Voltage Electronic Testing Mode Forced Defrost Activation 1 Press Display On pad to activate control panel 2 Simultaneously press and hold Max Ref pad and Display Off pad for 3 seconds Forced Compressor Activation 1 Press Di...

Page 27: ...ent Alarm Off Pad 1 Deactivate high temperature and door open alarm by pressing Alarm Off pad 2 Deactivate door open alarm by pressing Alarm Off pad for 3 seconds Activate door open alarm by pressing Alarm Off pad for 3 seconds 3 Deactivate flashing lights power up alarm after refrigerator is first plugged in or after power outage by pressing Alarm Off pad Display Off Pad Deactivate temperature in...

Page 28: ...s under normal operation CRTD 1 or CRTD 2 or CRTD 3 defined as 8 12 and 16 hour lengths If defrost length is low DT LO defined as 21 minutes indicating small frost load CRTD for next defrost cycle is advanced to next level If defrost length is high DI HI defined as 24 minutes indicating large frost load CRTD for next defrost cycle is lowered to next level Initial value at power CRTD 0 is 4 hours V...

Page 29: ... minutes in 1 minute increments 1 being 1 minute and 9 being 9 minutes Default door audio delay is 3 minutes 2 Max Ref run time duration adjustment can be performed in Mode B by pressing Max Ref pad Max Ref light will glow One temperature indicator should glow indicating present Max Ref run time duration Pressing Warmer pad decreases Max Ref run time by 2 hours and pressing Colder pad increases by...

Page 30: ...enabled mode 8 Forced defrost is activated by pressing and holding Alarm Off pad for 3 seconds Defrost function will begin Program changes will be saved permanently in EEPROM and program mode will exit to run mode 9 Forced pulldown can be made in Mode B by pressing and holding Max Frz pad 3 seconds Refrigeration function will begin Program changes will be saved permanently EEPROM Compressor evapor...

Page 31: ...which can cause severe personal injury or death disconnect power to refrigerator using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earthing and polarization After servicing reconnect power using power switch WARNING ...

Page 32: ...ground approximately 120 VAC OFF E6 to E9 Neutral or ground 0 VAC Defrost heater relay CLOSED R9 to ground approximately 11 VDC OPEN R9 to ground approximately 25 VDC Defrost terminator CLOSED E5 to E9 Neutral or ground approximately 120 VAC OPEN E5 to E9 Neutral or ground 0 VAC Fresh food fan output voltage ON E1 to ground approximately 25 VDC High voltage board to fresh food fan OFF E1 to ground...

Page 33: ...mistor has been cooled sufficiently to block the signal to electronic control the compressor condenser fan motor and evaporator fan motor will shut down However fresh food fan motor will continue to function until fresh food thermistor cools and blocks the signal to electronic control If fresh food thermistor is cooled prior to freezer thermistor the electronic control will interrupt the signal to...

Page 34: ... center hinge plate 6 Remove door Freezer Drawer and Basket Pull forward and lift up Door Stops 1 Remove air discharge grille 2 Remove two 15 torx screws Door Handles 1 Pry off screw trim New trim will be required for reassembly 2 Remove 6 screws on freezer door and 9 on refrigerator door using a Phillips screwdriver Door Gaskets 1 Gently pull gasket away from door liner 2 Reinstall by beginning i...

Page 35: ... Unplug heater leads Important When reassembling verify air diverter strips have been reinstalled properly Evaporator Reclaim refrigerant before proceeding with evaporator removal To avoid refrigeration system contamination do not leave refrigeration system or compressor open for more than 10 minutes 1 Remove freezer switch and thermistor cover 2 Remove evaporator cover 3 Remove one 1 4 hex head s...

Page 36: ...an forward Shelf Support Ladders 1 Remove shelves 2 Remove four 15 torx screws for each ladder Chef s Pantry Assembly 1 Remove drawer by sliding up and out 2 Remove side support rails by removing three 1 4 hex head screws on each side Refrigerator Thermistor 1 Remove air grille caps by removing four 1 4 hex head screws 2 Remove thermistor attached to rear of grille with tinnerman clip ...

Page 37: ...lead 6 Unplug 12 pin high voltage molex plug 7 Remove four 1 4 hex head screws that retain low high voltage compartment box to floor of machine compartment 8 Remove low high voltage compartment Capacitor 1 See Compressor Condenser Condenser Fan Access 2 Remove one 1 4 hex head screw from capacitor cover Overload and Relay 1 See Compressor Condenser Condenser Fan Access 2 Remove terminal cover by s...

Page 38: ... hex head screws that mount condenser to machine compartment floor 4 Score capillary tube at drier and break 5 Unbraze condenser inlet 6 Slide condenser assembly out 7 Unbraze 3 16 copper tube from condenser to drier to be reused on replacement condenser and drier Power Disconnect Switch 1 See Machine Compartment Access 2 Remove leads 3 Pop switch out through front Showroom Switch 1 See Low and Hi...

Page 39: ...er 1996 39 RS1200001 See Troubleshooting Guide Exterior cabinet condensation Condensation Classifications 1 Haze or fog 2 Beading 3 Beads or small drops 4 Drops running together Typical External Sweat Pattern ...

Page 40: ...verload Heavy usage High ambient Restricted condenser air Defective condenser fan motor Loose or missing condenser fan blade Improper voltage Defective relay or overload Compressor motor winding Non condensibles in system Refrigerant overcharge Freezer too warm Compressor operating Freezer temperature set too warm Restricted condenser air Defective condenser fan motor Opened door Heavy usage Defec...

Page 41: ...High ambient Inadequate condenser air flow Freezer temperature set too cold Loss or restricted refrigerant Short run cycle Light usage Low ambient Freezer temperature set too warm Exterior cabinet condensation High humidity Design accepts beads of water on cabinet exterior after 4 hours with 0 to 2 F 18 to 17 C freezer food temperature and 38 to 40 F 3 to 4 C refrigerator food temperature in 84 R ...

Page 42: ...place module 2 Leave jumper in for half of revolution Touch heater mold If heater mold feels warm heater is working properly 3 Remove jumper Water valve will be energized in last half of revolution if mold heater has not failed Operation Thermostat closes when temperature reaches 17 3 F 8 3 1 5 C Current flows through thermostat to motor See Ice Maker Wiring Diagram Motor is linked with drive gear...

Page 43: ... severe personal injury or death disconnect power to refrigerator using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earthing and polarization After servicing reconnect power using power switch Shut off arm Module Motor and Support Assembly 1 Loosen both screws in module access ports 2 Disconnect shut off arm 3 Pull mold from...

Page 44: ...nds Ice Maker Ejector Blades or Stripper 1 Remove module and support assembly 2 Install ejector blades realigning D coupling with module cam Accessing Control Box 1 Remove motor and contact assembly from control box by removing 3 screws 2 Remove shut off arm 3 Pull free Mold and heater screw access ports Switches will jam if turned counterclockwise and gears will be destroyed if turned clockwise A...

Page 45: ... ice production by setting freezer to colder setting Thermostat cycling temperature 1 revolution ice maker is 17 3 F 8 1 C Ice will freeze when these temperatures are achieved Cycling time will be slower if freezer temperature is not cold enough to achieve mode temperatures easily Ice Maker Caution To avoid module damage do not rotate water adjustment screw more than one full turn in either direct...

Page 46: ... at 7 5 seconds of water fill at an inlet pressure ranging from 20 to 120 PSI 1 4 to 8 2 bar Wiring Harness A nonresettable thermal fuse micro device 170 F 78 C is spliced into red wire of ice maker wiring harness Fuse will protect freezer plastic liner from melting if ice maker should overheat Excessive heat can cause no ice production Replacing wiring harness will only temporarily solve problem ...

Page 47: ...lve Determine discontinuity by tracing power Low water pressure Short T H test points for 10 seconds Remove jumpers Catch water in glass Increase water pressure to 20 120 psi 1 4 8 2 bar 140 cc s Open heater circuit Replace mold and heater assembly Closed thermostat Replace thermostat Damaged heater tulips on module Replace module Short heater pins that do not contact module Replace mold and heate...

Page 48: ...Apply alumilastic Open heater circuit Motor should oscillate Replace mold and heater assembly Apply alumilastic Little or no alumilastic on thermostat Apply alumilastic to thermostat Heater not staked in mold Replace mold and heater assembly Apply alumilastic Broken locking tabs on vertical cam Replace module 6 00 Ejector Position Contaminated Replace mold and heater assembly Apply alumilastic Ins...

Page 49: ... Thermostat out of calibration Replace thermostat Apply alumilastic Jammed cube stalled in water fill cycle Remove cube Determine reason for stall Leaky water valve Replace water valve Excessive water fill volume Replace water valve Motor stalled in water fill cycle 12 00 ejector position Replace module Contaminated module Replace module Refrigerator or ice maker not level Level refrigerator or ic...

Page 50: ...RS1200001 50 November1996 Ice Maker Wiring Diagram and Parts Layout 115 ...

Page 51: ...n contact an authorized Amana technician Locate a Factory Service Center or independent authorized technician by calling 1 800 628 5782 inside U S A and 1 319 622 5511 outside U S A Service is at owner s expense Caution To avoid personal injury protect hands and arms by wearing gloves Trim pieces may have sharp edges Caution This kit is designed for applications where custom handles are desired to...

Page 52: ...1 4 23 1 16 Refrigerator door with or without extruded handle 1 4 35 51 1 4 Freezer door with extruded handle 1 4 35 23 11 32 3 1 2 1 2 Refrigerator door with extruded handle 3 4 32 1 4 51 7 16 Freezer door with extruded handle 3 4 35 1 4 20 9 16 Freezer door without extruded handle 1 4 35 22 27 32 Panel Dimensions Door Panels with Hinge on Right Side and Extruded Handle Reverse view for hinge on ...

Page 53: ... panel Front of decorator panel Door trim Panel bracket 1 4 filler panel Refrigerator Freezer Door Panel with Custom Handle inches Center align panel brackets on back of panel Panel brackets 3 4 Panel Mounted to 1 4 Filler Panel and Location of Panel Brackets for 3 4 Panel Installations ...

Page 54: ...ide Hinge Cutout Dimensions For 3 4 Panels inches actual size Mount spacer to top of freezer drawer using 1 wide double sided foam tape Freezer Drawer Right Side Hinge Top Wood Spacer Dimensions 1 2 thick for 3 4 Panels inches Mount spacer to top of freezer drawer using 1 wide double sided foam tape 250 1 991 2 563 703 2 892 3 780 Radius 888 35 250 ...

Page 55: ...ide Hinge Cutout Dimensions for 3 4 Panels inches actual size Mount spacer to top of freezer drawer using 1 wide double sided foam tape 250 1 991 2 563 703 2 892 3 780 Radius 888 35 250 Freezer Drawer Left Side Hinge Top Wood Spacer Dimensions 1 2 thick for 3 4 Panels inches Mount spacer to top of freezer drawer using 1 wide double sided foam tape ...

Page 56: ...ed with refrigerator and are not part of this kit Refrigerator handle Handle Insert 3 8 screws Handle insert 1 screws Freezer handle Handle Trim spacer 3 Remove trim insert from one side trim piece by prying one end out of track and pulling upward away from the drawer 4 Remove five 3 8 screws from side trim Remove side trim from freezer drawer 5 Drive low profile screws into panel with screwdriver...

Page 57: ...cing five 1 screws 10 Cut new handle insert to a length of 35 1 4 Install new trim insert Start one edge of insert in track and press other edge into track while working up side of door 11 Optional install filler block on top of top trim using 1 wide double sided foam tape provided For dimensions of filler block see Freezer Drawer Top Wood Spacer Right Side Hinge Cutout Dimensions pages 5 or Freez...

Page 58: ...r other protective material Caution To avoid personal injury wear gloves to protect hands and arms Trim pieces may have sharp edges Read entire manual before installing kit Align parts checking for proper fit before beginning All necessary tools and materials must be available prior to installation Verify all listed parts are included in kit If parts are missing contact source from whom kit was pu...

Page 59: ... Panel Thickness Minimum Height Minimum Depth Side Panels 83 125 21 750 Side Panels 83 125 23 982 Panel height will vary depending how high leveling wheels have been raised when leveling refrigerator and cabinet height If cabinet depth is greater than 24 adjust panel accordingly Optional 3 4 panel may be added to cover side extrusion as shown below and on page 4 ...

Page 60: ...el L Bracket Z Bracket 1 4 Panel 21 750 23 982 Refrigerator door Refrigerator door panel 1 4 Minimum panel depth 3 4 Minimum panel depth Top view Right side Left side If cabinet depth is greater than 24 adjust panel size accordingly 1 50 2 062 11 281 2 500 Front panel bracket Bottom panel bracket L Bracket Side panel Side View ...

Page 61: ...B136SPK1 Facia Front Enclosure Kit November 1996 61 RS1200001 Front panel bracket L Bracket Bottom panel bracket Full Side View of Front Panel Bracket Bottom Panel Bracket and L Bracket Location ...

Page 62: ...spacer strip by removing 11 screws on both left and right sides Retain white spacer strip located on machine compartment side Clip Procedures 5 Mount left and right panel brackets to wood panel using 3 16 phillips screws provided If base panel is not 1 4 thick use plastic shims provided with kit to bring base panel depth up to 1 4 Front side extrusion 1 4 Filler panel Panel bracket 3 4 Raised over...

Page 63: ...gap in front side extrusion L Bracket Slide panel in here Bottom cabinet extrusion 10 Line up holes in right side L bracket with holes from 7 screws removed in step 4 Attach L bracket to back of refrigerator using 7 screws removed in step 4 6 Mount bottom panel brackets using five 3 16 phillips screws If base panel is not 1 4 thick use plastic shims provided with kit to bring base panel depth up t...

Page 64: ...1200001 64 November 1996 11 Line up holes in left side L bracket with holes in left side edge of refrigerator back Attach left side L bracket to back of refrigerator using 7 truss head 1 4 sheet metal screws Left L Bracket Right L Bracket ...

Page 65: ... material Caution To avoid personal injury wear gloves to protect hands and arms Trim pieces may have sharp edges Read entire manual before installing kit Align parts checking for proper fit before beginning All necessary tools and materials must be available prior to installation Verify all listed parts are included in kit If parts are missing contact source from whom kit was purchased Two people...

Page 66: ...ight will vary depending how high leveling wheels have been raised when leveling refrigerator and cabinet height If cabinet depth is greater than 24 adjust panel size accordingly 3 4 panels may be extended to cover door gasket door side or door panel as shown by dimensions below and on page 4 Add refrigerator door panel depth to dimension C if attempting to extend side panel to cover side of front...

Page 67: ...nel Bracket Bottom Panel Bracket L Bracket Side view Left Side Top View Right Side 828 1 118 186 1 118 3 4 Panel L Bracket Panel Bracket 3 4 Panel 125 C Minimum Depth A Minimum Depth B Minimum Depth C Refrigerator Door Refrigerator Door Panel Location of Panel Brackets on Side Panels ...

Page 68: ...B136SPK2 Side Panel Kit RS1200001 68 November 1996 Front Panel Bracket Bottom Panel Bracket L Bracket Full Side View of Front Panel Bracket Bottom Panel Bracket and L Bracket Location ...

Page 69: ... wood panel using 3 16 phillips screws provided If base panel is not 1 4 thick use plastic shims provided with kit to bring base panel depth up to 1 4 3 4 raised overlay panel 2 Mount bottom panel brackets using 5 3 16 phillips screws If base panel is not 1 4 thick use plastic shims provided with kit to bring base panel depth up to 1 4 3 Mount bottom cabinet extrusion using 5 1 4 flat head phillip...

Page 70: ...t with holes from 7 screws removed in step 4 Attach L bracket to back of refrigerator using screws removed in step 4 7 Line up holes in left side L bracket with holes in left side edge of refrigerator back Attach left side L bracket to back of refrigerator using 7 truss head 1 4 sheet metal screws provided in kit L bracket Slide panel in here Left L bracket Right L bracket ...

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