Turbo Air M3R24-1 Service Manual
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Turbo Air M3R24-1 Service Manual

M3 series solid door / glass door commercial refrigerator & freezer
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See also: Operation & Installation Manual
Turbo Air Speed up the Pace of Innovation
Commercial
Refrigerator & Freezer
Service Manual
Please read this manual completely before attempting to install or operate this equipment!
M3 Series
SOLID DOOR / GLASS DOOR
M3R24-1
M3F24-1
M3R47-2
M3F47-2
M3R72-3
M3F72-3
M3R24-2
M3F24-2
M3R47-4
M3F47-4
M3R72-6
M3F72-6
www.turboairinc.com
CAUTION!
PLEASE KEEP POWER
SWITCH ON BEFORE
OPERATING THIS EQUIPMENT

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  • Page 1 CAUTION! PLEASE KEEP POWER SWITCH ON BEFORE OPERATING THIS EQUIPMENT Turbo Air Speed up the Pace of Innovation Commercial Refrigerator & Freezer Service Manual Please read this manual completely before attempting to install or operate this equipment! M3 Series SOLID DOOR / GLASS DOOR...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. FEATURE CHART 1-1.FRONT VIEW/PLAN VIEW (1DDOR):M3R24-1 M3R24-2 M3F24-1 M3F24-2 1-2.FRONT VIEW/PLAN VIEW (2DDOR):M3R48-2 M3R48-4 M3R48-2 M3R48-4 1-3.FRONT VIEW/PLAN VIEW (3DDOR):M3R72-3 M3R72-6 M3F72-3 M3F72-6 2. WIRING DIAGRAMS 2-1. 1DDOR: M3R24-1 M3R24-2 M3F24-1 M3F24-2 2-2. 2DDOR: M3R48-2 M3R48-4 M3R48-2 M3R48-4 2-3.
  • Page 3 1.FEATURE CHART 1-1.FRONT VIEW/PLAN VIEW (1DOOR) MODEL: M3R24-1 M3F24-1 FRONT VIEW 1 TOP GRILLE(T) 2 TOP GRILLE(B) 3 MASCOT 4 KEY Freezer 5 ASS’Y DOOR 6 DOOR HANDLE 7 CASTER 8 BOTTOM HINGE 9 TOP HINGE 10 FRONT PCB CASE...
  • Page 4 10 TOP HINGE 11 FRONT PCB CASE 12 CONDENSER 13 CONDENSER MOTOR 14 MOTOR BRACKET 15 SUCTION PIPE 16 COMPRESSER MODEL: M3R24-1 M3R24-2 PLAN VIEW 17 DRYER 18 DRAIN PAN 19 DRAIN GUIDE 20 DRAIN CASE 21 DRAIN PIPE 22 DRAIN CONNECTOR...
  • Page 5 FEATURE CHAR 1-2.FRONT VIEW/PLAN VIEW (2DOOR) MODEL: M3R47-2 M3F47-2 FRONT VIEW 1 TOP GRILLE(T) 2 TOP GRILLE(B) 3 MASCOT 4 KEY 5 ASS’Y DOOR 6 DOOR HANDLE 7 CASTER 8 BOTTOM HINGE 9 TOP HINGE 10 FRONT PCB CASE 11 CONDENSER 12 CONDENSER MOTOR 13 MOTOR BRACKET 14 SUCTION PIPE...
  • Page 6 FEATURE CHART MODEL: M3R47-4 M3F47-4 FRONT VIEW 1 TOP GRILLE(T) 2 TOP GRILLE(B) 3 MASCOT 4 KEY 5 ASS’Y DOOR Freezer 6 DOOR HANDLE 7 CASTER 8 BOTTOM HINGE 9 MIDDLE HINGE 10 TOP HINGE 11 FRONT PCB CASE 12 CONDENSER 13 CONDENSER MOTOR 14 MOTOR BRACKET 15 SUCTION PIPE...
  • Page 7 FEATURE CHAR 1-3.FRONT VIEW/PLAN VIEW (3DOOR) MODEL: M3R72-3 M3F72-3 FRONT VIEW 1 TOP GRILLE(T) 2 TOP GRILLE(B) 3 MASCOT 4 KEY 5 ASS’Y DOOR 6 DOOR HANDLE Freezer 7 CASTER 8 BOTTOM HINGE 9 TOP HINGE 10 FRONT PCB CASE 11 CONDENSER 12 CONDENSER MOTOR 13 MOTOR BRACKET...
  • Page 8 FEATURE CHART MODEL: M3R72-6 M3F72-6 FRONT VIEW 1 TOP GRILLE(T) 2 TOP GRILLE(B) 3 MASCOT 4 KEY Freezer 5 ASS’Y DOOR 6 DOOR HANDLE 7 CASTER 8 BOTTOM HINGE 9 MIDDLE HINGE 10 TOP HINGE 11 FRONT PCB CASE 12 CONDENSER 13 CONDENSER MOTOR 14 MOTOR BRACKET 15 SUCTION PIPE...
  • Page 9 2.WIRING DIAGRAMS WIRING DIGRAM WIRING DIGRAM...
  • Page 10 WIRINGDIAGRAMS WIRING DIGRAM WIRING DIGRAM...
  • Page 11 WIRING DIAGRAMS WIRING DIGRAM WIRING DIGRAM...
  • Page 12 WIRINGDIAGRAMS WIRING DIGRAM WIRING DIGRAM...

  • Page 13: Refrigeration Compartment

    3.PART DETAIL 3-1.TOP GRILLE TOP GRILLE (T), TOP GRILLE (B) TOP GRILLE (T) DOOR LOCK TOP GRILLE (B) DISPLAY P.C.B DISPLAY P.C.B 3-2.Refrigeration Compartment CONDENSER COIL Cycle Assembly CONDENSER PIPE CONDENSER MOTOR ASSEMBLY SUCTION PIPE CONDENSER DRYER COMPRESSOR...
  • Page 14 PART DETAIL Drain Pan Assembly DRAIN PAN HEARTER CONNECTOR DRAIN PAN CONNECTOR DRAIN PAN HEATER DRAIN HOSE HEATER Drain Case Assembly DRAIN HOSE DRAIN CASE DRAIN CONNECTOR Condenser Fan Motor Assembly CONDENSR FAN MOTOR BRAKET CONDENSR FAN MOTOR BLADE...

  • Page 15: Cooling Compartment

    PART DETAIL 3-3.CONTROL BOX MAIN PCB POWER RELAY TRANSFORMER 3-4.Door Gesket FRAME DOOR DOOR GASKET 3-5.Cooling Compartment Freezer Duct & Refrigerator Duct (M3R72-3/6,M3F72-3/6,M3R47-2/4,M3F47-2/4) DUCT(A) DUCT(B) LAMP ASSEMBLY EVAP. FAN MOTOR GUARD...
  • Page 16 PART DETAIL Freezer EVAP.,Fan(M3R47-2/4,M3F47-2/4) EVAPORATOR FAN MOTOR BLADE MOTOR CONNECTOR D-SENSER EVAPORATOR Freezer Duct & Refrigerator Duct (M3R24-1/2,M3F24-1/2) EVAP. FAN MOTOR GUARD LAMP ASSEMBLY DUCT(A) DUCT(B) F-SENSER...

  • Page 17: Part Detail

    PART DETAIL Freezer EVAP.,Fan(M3R24-1/2,M3F24-1/2) EVAPORATOR FAN MOTOR BLADE MOTOR CONNECTOR EVAPORATOR D-SENSER POSITION...

  • Page 18: Compressor Relay

    4-1.COMPRESSOR M3R24-1 M3F24 M3R47-2 M3F47-2 M3R72-3 M3F72-3 Model M3R24-2 M3F24 M3R47-4 M3F47-4 M3R72-6 M3F72-6 Refrigerant R-134a R-404a R-134a R-404a R-134a R-404a Voltage 115V 115V 115V 115V 115V 115V/208-230V Comp. model HBL27YE-1 CAJ 2420Z SK1A1C-L2W CAJ2432Z CAJ4476Y CAJ2446Z Part code G2F5700100...

  • Page 19: Main Pcb

    MAIN COMPONENTS 4-6.CONDENSOR FAN MOTOR M3R24-1 M3F24-1 M3R47-2 M3F47-2 M3R72-3 M3F72-3 Model M3R24-2 M3F24-2 M3R47-4 M3F47-4 M3R72-6 M3F72-6 Voltage 115V/ 60Hz Motor Model. IS-4420DWSN-2A Part code G8F6600100 4-7.EVA DEFROST HEATER M3R24-1 M3F24-1 M3R47-2 M3F47-2 M3R72-3 M3F72-3 Model M3R24-2 M3F24-2 M3R47-4...
  • Page 20 5-1.FREEZER CONTROLLER HOW TO USE THE PANEL...
  • Page 21 ELECTRONIC CONTROLLER INSTRUCTION...

  • Page 22: Electronic Controller Instruction

    ELECTRONIC CONTROLLER INSTRUCTION 5-2.FREEZER CONTROLLER HOW TO USE THE PANEL...
  • Page 23 ELECTRONIC...

  • Page 24: Control Box

    6.PARTS LIST FOR M3 Cabinet LINER FRAME COVER (L)(R) P8R3100300 PVC-H LINER FRAME COVER (T)(U) P8R3100200 PVC-H LINER FRAME COVER (T)(U) P5R3100300 PVC-H LINER FRAME COVER (T)(U) P2R3100500 PVC-H Control box PANNEL FRONT PCB G8F3200300 HARNESS PCB G2F5100500 HARNESS PCB G5F5100101 HARNESS PCB G8R5100201...
  • Page 25 PARTS LIST FOR M3 vap housing Same As Super G2F2700100 DRAIN GUIDE Deluxe Same As Super G5F2700100 DRAIN GUIDE Deluxe Same As Super DRAIN GUIDE G8F2700100 Deluxe G2F7300100 F-BS DRAIN GUIDE PAD G5F7300100 F-BS DRAIN GUIDE PAD G8F7300100 F-BS DRAIN GUIDE PAD DRAIN GUIDE PAD(LOW) G8F7300200 Same As Super...
  • Page 26 PARTS LIST FOR M3 Same As Super SHELF CLIP P993200800 Deluxe Same As Super CABINET HEATER P2F5300101 L=4800 Deluxe Same As Super CABINET HEATER P2R5300101 L=5970 Deluxe Same As Super CABINET HEATER P5F5300101 L=7290 Deluxe Same As Super CABINET HEATER P5R5300101 L=4800 Deluxe...
  • Page 27 PARTS LIST FOR M3 HARNESS GRILLE DOOR G5F5100401 G8F1100101 BLACK TOP GRILLE (B) G8F1900301 TOP GRILLE (B) FIXTURE HARNESS GRILLE DOOR G8F5100701 TOP GRILLE (T) FIXTURE P8F1600401 SUS304-2B Unit G994200100 G2F4200401 Φ9.52X0.6T PIPE(COMP-DRAIN) Φ9.52X0.6T G2F4200501 PIPE(DRAIN-CON) Same As Super G2F4400101 EVAP COIL Deluxe Same As Super...
  • Page 28 PARTS LIST FOR M3 TOP HINGE SPACE P8F2600100 DRAIN HOSE CAP P8F9900101 RUBBER BLACK Same As Super COMPRESSOR (CAJ 2420Z) G2F5700100 Deluxe Same As Super COMPRESSOR (HBL 27YE-1) G2R5700100 Deluxe Same As Super COMPRESSOR P2F5700100 (CAJ 2432Z) Deluxe Same As Super COMPRESSOR P2R5700100 (SK1A1C-L2W)

  • Page 29: Replacement Of Main Components

    7.REPLACEMENT OF MAIN COMPONENTS 7-1. TOP GRILLE PART A. Unscrew the screw located on both side of top grille (t) with the top grille (t) fixture. B. Hold up the top grille (T) C. Unscrew the screw located on both side of top grille (B).
  • Page 30 REPLACEMENT OF MAIN COMPONENTS D. Unscrew the screw located on the cabinet top cover. E. Pull out the harness display pcb and harness grille door s/w located on back of top grille (B). You can replace the door switch, mascot, key, front pcb and front pcb case, etc.
  • Page 31 REPLACEMENT OF MAIN COMPONENTS 7-2. REPLACE DOOR 7-2-1. REPLACE DOOR ( M3R24-1,M3F24-1,M3R47-2,M3F47-2,M3R72-3,M3F72-3) A. Disassemble top grille (T) and top grille (B) as described section 7-1. B. Unscrew pivot stopper. C. Unscrew the top hinge ( D. Lift the door (...
  • Page 32 REPLACEMENT OF MAIN COMPONENTS E. Replace the door with the new one. (you should assemble pivot middle, hinge spring etc before this process.) F. Screw the top hinge ( ) and pivot stopper. (this process is opposite to disassemble them.) G.
  • Page 33 REPLACEMENT OF MAIN COMPONENTS D. Lift the door and pull it out. (T) (L) E. Unscrew the middle hinge ( F. Lift the door and pull it out. (U) (L)
  • Page 34 REPLACEMENT OF MAIN COMPONENTS Then you can replace new doors and assemble them, those processes are opposite to disassemble them. G. Do just like above instructions in replacing the door (T)(R) and the door (U)(R).
  • Page 35 REPLACEMENT OF MAIN COMPONENTS 7-3. REFRIGERATION COMPARTMENT’S PART - Duct and Lamp - T-sensor and D-sensor - Evaporator coil and F-sensor - Defrost heater (freezer only) - Evaporator fan motor and fan blade 7-3-1. REPLACE DUCT AND LAMP A.Disassemble the Duct. B.
  • Page 36 REPLACEMENT OF MAIN COMPONENTS You can replace the lamp now. 7-3-2. REPLACE T SENSOR AND D SENSOR (T-SENSOR IS WHITE COLOR, F-SENSOR IS ORANGE AND D-SENSOR IS BLUE) A.Disassemble the Duct as in 7-3-1 B. Disconnect the connector and pull out the D-sensor from the evap. replace the new one.
  • Page 37 REPLACEMENT OF MAIN COMPONENTS 7-3-3. REPLACE THE EVAPORATOR COIL AND F-SENSER A. Welding off the connection suction pipe(A) and (B). B. Unscrew the screw located on back side of evap. housing. C. Take off the evaporator.
  • Page 38 REPLACEMENT OF MAIN COMPONENTS D. Disconnect the connector and Unscrew the screws located on sensor cover and pull out the F-sensor from the evap.sensor guide, replace the new one. 7-3-4. REPLACE THE DEFROST HEATER (FREEZER ONLY) A. After lift the evaporator up, disconnect the connectors with harness defrost heater and disassemble the defrost fixture spring and split the hooks of the evap..
  • Page 39 REPLACEMENT OF MAIN COMPONENTS How to measure the Amps. of the evaporator defrost heater Disconnect the connectors of the evaporator defrost heater. Then , prepare the additional Power Source(115V/60Hz) and the Amp. Meter. Connect the connectors of the evaporator defrost heater to the additional power source and read amp.
  • Page 40 REPLACEMENT OF MAIN COMPONENTS 7-4. CONTROL BOX PART - Power relay - Transformer - Main PCB A. Disassemble top grille (t) as described section 7-1 A B. B. Pull out all connectors connected with control box. C. Unscrew the screws located on front of evap-housing. E.
  • Page 41 REPLACEMENT OF MAIN COMPONENTS F. Unscrew the screws used in fixing power relay and trans former. G. Disconnect the main PCB fixture. Then you can replace the power relay, trans former and main pcb.

  • Page 42: Condenser Unit

    REPLACEMENT OF MAIN COMPONENTS 7-5. CONDENSER UNIT - Compressor - Condenser fan motor - Dryer filter - Pressure switch The comp. Base is located on both side on the top of the cabinet by screw, and you can replace the Compressor ,Condenser coil Condenser fan motor, ETC. on it.
  • Page 43 REPLACEMENT OF MAIN COMPONENTS 7-6. REPLACE THE CABINET HEATER AND MULLION HEATER A. Disassemble the liner frame cover with the and edge of ‘ ’type screwdriver.(left/right/top/bottom side) B. Disconnect the cabinet heater and pull it out. You can replace the cabinet heater with the new one. C.
  • Page 44 REPLACEMENT OF MAIN COMPONENTS D. Disassemble the mullion frame cover(v) with the and edge of ‘ ’type screwdriver. E. Unscrew the screw located on both side of the mullion. F. Take apart the mullion out cover(v) from the mullion, then disconnect the harness mullion heater.
  • Page 45 REPLACEMENT OF MAIN COMPONENTS G. Change the old mullion heater(v) and install the new one with the gap between wires 1.2 inch. H. Insert the mullion out cover(v) into the original position, then screw it on both side of the mullion.(this process is opposite to disassemble the mullion out cover(v) ) J.
  • Page 46 REPLACEMENT OF MAIN COMPONENTS...

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