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Master Bilt WCR-23SF Service Manual

Commercial refrigerator & freezer
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See also: Operation & Installation Manual
908 Highway 15 North • New Albany, MS 38652
Phone: (662)534-9061•Toll-Free: 800-647-1284
FAX: (662)534-6049•Toll-Free: 800-232-3966
www.master-bilt.com

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Summary of Contents for Master Bilt WCR-23SF

  • Page 1 908 Highway 15 North • New Albany, MS 38652 Phone: (662)534-9061•Toll-Free: 800-647-1284 FAX: (662)534-6049•Toll-Free: 800-232-3966 www.master-bilt.com...
  • Page 2 Commercial Refrigerator & Freezer Service Manual Solid Door Model No.: WCC-23SR WCR-23SR WCR-23SF...
  • Page 3 Commercial Refrigerator & Freezer Service Manual Solid Door Model No.: WCC-23SR WCR-23SR WCR-23SF...

  • Page 4: Table Of Contents

    1-2. FRONT VIEW (HINGE LEFT) : WCC-23SR 1-3. FRONT VIEW (HINGE RIGHT) : WCR-23SR 1-4. FRONT VIEW (HINGE LEFT) : WCR-23SR 1-5. FRONT VIEW (HINGE RIGHT) : WCR-23SF 1-6. FRONT VIEW (HINGE LEFT) : WCR-23SF 1-7. SIDEVIEW 2. WIRING DIAGRAM 2-1.

  • Page 5: Feature Chart

    1. FEATURE CHART 1-1. FRONT VIEW (WCC-23SR) - HINGE RIGHT TOP GRILLE GRILLE DECORATION DOOR SWITCH THERMOMETER TOP HINGE ASSEMBLY BRAND LOGO DOOR LOCK DOOR DOOR HANDLE SPRING BAR BOTTOM HINGE ASSEMBLY BOTTOM GRILLE ASSEMBLY CASTER SUCTION PIPE CAPILLARY TUBE CONDENSER ASSEMBLY MOTOR COMPRESSOR...
  • Page 6 FEATURE CHART 1-2. FRONT VIEW (WCC-23SR) - HINGE LEFT TOP GRILLE GRILLE DECORATION DOOR SWITCH THERMOMETER TOP HINGE ASSEMBLY BRAND LOGO DOOR LOCK DOOR DOOR HANDLE SPRING BAR BOTTOM HINGE ASSEMBLY BOTTOM GRILLE ASSEMBLY CASTER SUCTION PIPE CAPILLARY TUBE CONDENSER ASSEMBLY MOTOR COMPRESSOR SWITCH BOX...
  • Page 7 FEATURE CHART 1-3. FRONT VIEW (WCR-23SR) - HINGE RIGHT TOP GRILLE GRILLE DECORATION DOOR SWITCH THERMOMETER TOP HINGE ASSEMBLY BRAND LOGO DOOR LOCK DOOR DOOR HANDLE HINGE MOVING PART BOTTOM HINGE ASSEMBLY BOTTOM GRILLE ASSEMBLY CASTER SUCTION PIPE CAPILLARY TUBE CONDENSER ASSEMBLY MOTOR COMPRESSOR...
  • Page 8 FEATURE CHART 1-4. FRONT VIEW (WCR-23SR) - HINGE LEFT TOP GRILLE GRILLE DECORATION DOOR SWITCH THERMOMETER TOP HINGE ASSEMBLY BRAND DOOR LOCK DOOR DOOR HANDLE HINGE MOVING PART BOTTOM HINGE ASSEMBLY BOTTOM GRILLE ASSEMBLY CASTER SUCTION PIPE CAPILLARY TUBE CONDENSER ASSEMBLY MOTOR COMPRESSOR SWITCH BOX...
  • Page 9 FEATURE CHART 1-5. FRONT VIEW (WCR-23SF) - HINGE RIGHT TOP GRILLE GRILLE DECORATION DOOR SWITCH CONTROL PANEL TOP HINGE ASSEMBLY BRAND LOGO DOOR LOCK DOOR DOOR HANDLE HINGE MOVING PART BOTTOM HINGE ASSEMBLY BOTTOM GRILLE ASSEMBLY CASTER SUCTION PIPE CAPILLARY TUBE...
  • Page 10 FEATURE CHART 1-6. FRONT VIEW (WCR-23SF) - HINGE LEFT TOP GRILLE GRILLE DECORATION DOOR SWITCH CONTROL PANEL TOP HINGE ASSEMBLY BRAND LOGO DOOR LOCK DOOR DOOR HANDLE HINGE MOVING PART BOTTOM HINGE ASSEMBLY BOTTOM GRILLE ASSEMBLY CASTER SUCTION PIPE CAPILLARY TUBE...
  • Page 11 FEATURE CHART 1-7. SIDE VIEW g h j k DOOR BUMPER DOOR GASKET LAMP SOCKET c v b EVAPORATOR FAN BLADE EVAPORATOR FAN MOTOR EVAPORATOR COIL SUCTION LINE ASSEMBLY DEFROST DRAIN PAN DRAIN GUIDE DRAIN HOSE SHELF FIXTURE LAMP COVER FAN COVER DUCT (A) DUCT (B)

  • Page 12: Wiring Diagram

    2. WIRE DIAGRAM 2-1. WCC-23SR, WCR-23SR WIRING DIAGRAM CABINET FRAME HEATER • OL : OVERLOAD PROTECTOR • PTC : RELAY • Voltage : 115V/60Hz 2-2. WCR-23SF...

  • Page 13: Part Details

    3. PART DETAILS 3-1. TOP GRILLE Door Lock, Door Switch Door Lock Door Switch (Lamp Switch) Thermometer 3-2. Condensing Unit Compartment Condensing Unit Assembly (WCC-23SR, WCR-23SR) Condenser Fan Motor Assembly Condenser Fan Motor Assembly Condenser Fan Motor Assembly Condenser Fan Motor Assembly Condenser Fan Motor Assembly Condenser Fan Motor Assembly Condenser Fan Motor Assembly...
  • Page 14 PART DETAILS Drain Pan Assembly Holder Vapori-Paper Case Vapori Vapori-Paper Condenser Fan Motor Assembly Motor Shaded Pole Bracket Support(A) 3-3. Electric Box...
  • Page 15 PART DETAILS 3-4. Door Gasket Gasket 3-5. Evaporator Compartment (WCC-23SR, WCR-23SR) Temperature Control Fan Guard Duct (A) Plate Thermostat Duct (B) Freezer Duct & Refrigerator Duct (WCR-23SF) Evaporator Fan Motor Guard Duct (A) Duct (B)
  • Page 16 Thermostat Pipe Thermostat Pipe Thermostat Pipe Thermostat Pipe Fan Motor and Fan blade Evaporator coil Freezer Evaporator & Fan Motor (WCR-23SF) Lamp & Fan Motor Connectors Evaporator Fan Motor Blade Heater Connectors & Sensor Connectors Evaporator Thermal Fuse Evaporator Coil Heater...

  • Page 17: Main Components

    4. MAIN COMPONENTS 4-1. COMPRESSOR MODEL WCC-23SR, WCR-23SR WCR-23SF Refrigerant R-404a R-404a Voltage 115V/60Hz 115V/60Hz Comp. Model AEA9422ZXA CAE2420Z Part code 30200Q7000 30200R1100 Strating type CSIR CSIR 4-2. OVERLOAD PROTECTOR MODEL WCC-23SR, WCR-23SR WCR-23SF Voltage MRT16ADK-69 MST16AHN or T0593 4-3. RELAY ASSEMBLY...
  • Page 18 MAIN COMPONENTS 4-8. CONDENSOR FAN MOTOR MODEL WCC-23SR, WCR-23SR WCR-23SF Voltage 115V/60Hz Motor Model IS4420DWSG-1 Part Code 39633220410 4-9. LAMP MODEL WCC-23SR, WCR-23SR WCR-23SF Voltage 120V/60Hz Lamp Model Part Code 30236L0100 4-10. TRANSFORMER MODEL WCC-23SR, WCR-23SR WCR-23SF Voltage 115V/60Hz Transformer Model...

  • Page 19: Electronic Controller Instruction

    5. ELECTRONIC CONTROLLER INSTRUCTION 5-1. HOW TO USE THE PANEL - Keep pressing up & down buttons simultaneously for five seconds, then the lock will be cancelled. - Set the temperature setting from level 1 to 9 by - Bar LED pressing the up or down button.

  • Page 20: Function Table

    ELECTRONIC CONTROLLER INSTRUCTION 5-2. FUNCTION TABLE Controlled Function Description Part Initial Buzzer 1. Buzzer will be ring with in 2 seconds when you plugged-in and turned on the Operation power switch. 2. 88 LED displays inside temperture. Lamp 88 LED 3.
  • Page 21 ELECTRONIC CONTROLLER INSTRUCTION Controlled Function Description Part Defrost Heater A. Pre-Cool Step Function Compressor a. It prevents from extreme temperature risie during defrost function. Evap-Fan Motor b. Comp. Con-Fan Motor and Evap-Fan Motor run continuously during pre-cool Con-Fan Motor step. c.
  • Page 22 ELECTRONIC CONTROLLER INSTRUCTION Controlled Function Description Part Error 1. Press up button 5 times while pressing both down button and manual defrost Display button. Above procedure switches from normal display to error display mode. 2. If there is any error occurred, 88 LED will display the error code. If there was no error occurred, there will be no change on the 88 LED.
  • Page 23 6. PART LIST OF SOLID DOOR MODEL Model Part name Code Material Description WCC- WCC- WCR- WCR- 23SR(R) 23SR(L) 23SR 23SF Caster CASTER 30265L0200 TP5040-22-HDP CASTER BRAKE 30265L0100 TP5040-22-HDP-TLB Compressor COMPRESSOR 30200Q7000 AEA9422ZXA COMPRESSOR 30200R1100 CAE2420Z POWER CORD(RELAY HARNESS) 30227L2002 POWER CORD(RELAY HARNESS) 30227L2800 MAIN POWER CORD...
  • Page 24 PART-LIST OF SOLID DOOR MODEL Model Part name Code Material Description WCC- WCC- WCR- WCR- 23SR(R) 23SR(L) 23SR 23SF VALVE EXPANSION 30254Q0100 EBFS-AA-C FIXTURE DRAIN CASE 30200L0500 A1100P-H18 EVAPORATOR DRAIN ELBOW 30225L0100 PA-6 DRAIN PAN INSULATOR 30233L0100 THERMOSTAT 30283L0100 40.1¢µ ON K55Q-5607,16A EVAPORATOR FAN MOTOR GUARD 30214K0100 EVAPORATOR FAN MOTOR BLADE...

  • Page 25: Replacement Of Main Components

    7. REPLACEMENT OF MAIN COMPONENTS 7-1. TOP GRILLE PARTS - LOCK ASSEMBLY - LAMP SWITCH - THERMOMETER A. Unscrew the screws both side of top grille...
  • Page 26 REPLACEMENT OF MAIN COMPONENTS B. Unscrew the screws are located on the top grille C. Unscrew the screws are located at bottom of the top grille * Caution : Hold the top grille, when you unscrew it. It may be fall on your head and hurt you.
  • Page 27 REPLACEMENT OF MAIN COMPONENTS D. Place the top grille on the top of the cabinet. E. Pull out the harness are located back of top grille You can separate top grille. You can replace, door switche(lamp switch) and display panel. F.
  • Page 28 REPLACEMENT OF MAIN COMPONENTS G. Separate the top grille and thermometer H. Assemble the top grill and thermometer in reverse order when you re-assemble it I. Pull out the door switch (lamp switch) is located at back of the top grille.
  • Page 29 REPLACEMENT OF MAIN COMPONENTS J. Unscrew the serews of the thermometer fixture K. Separate thermometor and top grille.
  • Page 30 REPLACEMENT OF MAIN COMPONENTS 7-2. REPLACING DOOR A. Disassemble top grille as described in section 1.A.B.C.D B. Remove front grille(Bottom Grille) by unscrew the four screws are located each side of front grille. C. Unscrew the hinge. D. Lift the door.
  • Page 31 REPLACEMENT OF MAIN COMPONENTS E. Replace the door with the new one. F. Ready for the hinge as below. It is important to set initial position (angle). G. Initial position of the hinge must be arranged as below.
  • Page 32 REPLACEMENT OF MAIN COMPONENTS . Turn the hinge 90˚ clockwise. This turning causes torsion strength of the bar spring that shuts the door(s) automatically. H. Screw the hinge with pushing it. After installation of the door(s), assemble the top grille panel.
  • Page 33 REPLACEMENT OF MAIN COMPONENTS 7-3. REFRIGERATION COMPARTMENTS PARTS A. Disassemble lamp cover. - LAMP or LAMP COVER - MOTOR COOLING FAN - THERMOSTAT - EVAPORATOR B. Unscrew the screws located duct (A). C. Put the temperature controller panel assembly, into the Hole of Duct (A).
  • Page 34 REPLACEMENT OF MAIN COMPONENTS D. Disassemble Duct (A) E. Pull out the lamp’s lead wire F. Disassemble duct (B)
  • Page 35 REPLACEMENT OF MAIN COMPONENTS G. Figure of disassembled refrigeration compartments. In this situation, you can replace fan motor and Evaporator H. Replacing thermostat Pull out the thermostat’s capillary from thermostat pipe.
  • Page 36 REPLACEMENT OF MAIN COMPONENTS I. Remove thermostat harness...
  • Page 37 REPLACEMENT OF MAIN COMPONENTS J. Replacing fan motor F-1. Pull out the fan motor housing F-2. Unscrew the four screws which located at bottom of fan motor.
  • Page 38 REPLACEMENT OF MAIN COMPONENTS 7-4. CONDENSING UNIT - Condensing units : Compressor, Motor, Condenser, Dryer..- Others : power code. A. Disassemble front cover as described section 3-2 B. Unscrew the two screws as below C. Unplug the compressor’s power plug...
  • Page 39 REPLACEMENT OF MAIN COMPONENTS D. Pull-out the condensing unit...

  • Page 40: Installation Method Of Reverse Door

    Upper side of the top grill (2points) C. Disconnect the door heater wire from the main harness(there are located in the switch box) and connect the remaining wires of the main harness directly(only WCR-23SF). D. Uncrew the bolts at the top hihge...
  • Page 41 INSTALLATION METHOD OF REVERSE DOOR E. Remove the door assembly **. Be careful damage of the heater wire, when you remove the door (only WCR-23SF). F. Unscrew the bolts at the bottom hinge(3points) G. Change the position Left grill fixture and right grill fixture.
  • Page 42 H. Fix the top hinge on bottom side in left of the door. I. Set up the door on the top hinge after rotating the door J. Pull out the door heater from the bushing hole (WCR-23SF). K. Fix the bottom hinge on the upper side in left of the door.
  • Page 43 INSTALLATION METHOD OF REVERSE DOOR L. Connect door heater to main harness (is located beside main harness at the top and it is connected together) (WCR-23SF) M. Move the grill cap of the bottom and top grill from left side to right side.
  • Page 44 INSTALLATION METHOD OF REVERSE DOOR H. Assemble the Bottom Grill.
  • Page 45 VISION CREATIVE, INC.

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