Commercial Refrigerator&Freezer Service Manual M3 Solid Door Model No.
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. 3DDOR: M3R72-3 M3R72-6 M3F72-3 M3F72-6 3. PART DETAIL 3-1. TOP GRILLE 3-2. REFRIGERATION COMPARTMENT 3-3.CONTROL BOX 3-4. DOOR 3-5.COOLING COMPARTMENT 4.
1.FEATURE CHART 1-1.
FEATURE CHART MODEL: M3R24-2 M3F24-2 FRONT VIEW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TOP GRILLE(T) TOP GRILLE(B) MASCOT KEY ASS’Y DOOR DOOR HANDLE CASTER BOTTOM HINGE MIDDLE HINGE TOP HINGE FRONT PCB CASE CONDENSER CONDENSER MOTOR MOTOR BRACKET SUCTION PIPE 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 23 EVAPORATOR 24EVAPORATOR MOTOR 25 LAMP COVER 26 TOP GRILE T 27TOP GRILE B 28EVAPORATOR COVER 29 LAMP 3
FEATURE CHAR 1-2.
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 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 16 COMPRESSER Freezer MODEL: M3F47-2 M3F47-4 PLAN VIEW 17 DRYER 18 DRAIN PAN 19 DRAIN GUIDE 20 DRAIN CASE 21 DRAIN PIPE 22 DRAIN CONNECTOR 23 EVAPORATOR 24EVAPORATOR MOTOR 25 LAMP COVER 26 TOP GRILE T 27TOP GRILE B 28EVAPORATOR COVER 29 LAMP 5
FEATURE CHAR 1-3.
FEATURE CHART MODEL: M3R72-6 M3F72-6 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 MIDDLE HINGE 10 TOP HINGE 11 FRONT PCB CASE 12 CONDENSER 13 CONDENSER MOTOR 14 MOTOR BRACKET 15 SUCTION PIPE 16 COMPRESSER Freezer MODEL: M3F47-2 M3F47-4 PLAN VIEW 17 DRYER 18 DRAIN PAN 19 DRAIN GUIDE 20 DRAIN CASE 21 DRAIN PIPE 22 DRAIN CONNECTOR 23 EVAPORATOR 24EVAPORATOR MOTOR 25 LAMP COVER 26 TOP GRILE T 27TOP GRILE B 28EVAPORATOR COVER 29 LAMP 7
2.WIRING DIAGRAMS 2-1. M3R24-1 WIRING DIGRAM 2-2.
WIRINGDIAGRAMS 2-3. M3F24-1 WIRING DIGRAM 2-4.
WIRING DIAGRAMS 2-5. M3R47-2/4 WIRING DIGRAM 2-6.
WIRINGDIAGRAMS 2-7. M3R72-3/6 WIRING DIGRAM 2-8.
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.
PART DETAIL Drain Pan Assembly DRAIN PAN HEARTER CONNECTOR DRAIN Drain Case Assembly PAN DRAIN HEATER DRAIN PAN CONNECTOR DRAIN HOSE HEATER HOSE DRAIN DRAIN CASE CONNECTOR Condenser Fan Motor Assembly CONDENSR FAN MOTOR BRAKET CONDENSR FAN MOTOR BLADE 13
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.
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.
PART DETAIL Freezer EVAP.
MAIN COMPONENTS 4-1.COMPRESSOR Model M3R24-1 M3F24-1 M3R47-2 M3F47-2 M3R72-3 M3F72-3 M3R24-2 M3F24-2 M3R47-4 M3F47-4 M3R72-6 M3F72-6 R-134a R-404a R-134a R-404a R-134a 115V 115V 115V 115V 115V Comp. model HBL27YE-1 CAJ 2420Z SK1A1C-L2W CAJ2432Z CAJ4476Y CAJ2446Z Part code G2F5700100 G2F5700100 P2R5700100 P2R5700100 P5F5700100 P8R5700100 CSR CSR CSR CSR CSR CSR Refrigerant Voltage Starting Type R-404a 115V/208-230V 4-2.
MAIN COMPONENTS 4-6.CONDENSOR FAN MOTOR Model M3R24-1 M3F24-1 M3R47-2 M3F47-2 M3R72-3 M3F72-3 M3R24-2 M3F24-2 M3R47-4 M3F47-4 M3R72-6 M3F72-6 115V/ 60Hz Voltage IS-4420DWSN-2A Motor Model. G8F6600100 Part code 4-7.EVA DEFROST HEATER Model M3R24-1 M3F24-1 M3R47-2 M3F47-2 M3R72-3 M3F72-3 M3R24-2 M3F24-2 M3R47-4 M3F47-4 M3R72-6 M3F72-6 Voltage X 115V X 115V X 115V Spec.. X 445W X 600W X 900W Part code X P2F5300300 P5F5300200 X P8F5300500 X 4-8.
5.ELECTRONIC CONTROLLER INSTRUTION 5-1.
ELECTRONIC CONTROLLER INSTRUCTION 20
ELECTRONIC CONTROLLER INSTRUCTION 5-2.
ELECTRONIC CONTROLLER 22 INSTRUCTION
6.
PARTS LIST FOR M3 Part name Code Material Description Model R24 F24 R24-2 F24-2 R47 F47 R47-4 F47-4 R72 F72 R72-6 F72- Remark 1 Same As Super Deluxe Same As Super Deluxe Same As Super Deluxe vap housing DRAIN GUIDE DRAIN GUIDE DRAIN GUIDE DRAIN GUIDE PAD DRAIN GUIDE PAD DRAIN GUIDE PAD G2F2700100 AL G5F2700100 AL G8F2700100 AL G2F7300100 F-BS G5F7300100 F-BS G8F7300100 F-BS 1 1 P2F5300300 115V445W DEFROST HEATER P5F5300200 115V600W DEFROST HEATER P8F5300500 115V900W DRAIN H
PARTS LIST FOR M3 Part name Code Material Description SHELF CLIP P993200800 CABINET HEATER P2F5300101 PVC L=4800 CABINET HEATER P2R5300101 PVC L=5970 CABINET HEATER P5F5300101 PVC L=7290 CABINET HEATER P5R5300101 PVC L=4800 CABINET HEATER P8F5300100 PVC L=5970 CABINET HEATER P8R5300100 PVC L=7290 DOOR HANDLE G993200101 ALDC DOOR SWITCH P995200100 HINGE SPRING (L) P998400102 HINGE SPRING (R) P998400202 MASCOT F47 R47-4 F47-4 R72 F72 R72-6 F72-6 16 16 32 48 1 1 MU
PARTS LIST FOR M3 Part name HARNESS S/W GRILLE Code DOOR TOP GRILLE (B) TOP GRILLE (B) FIXTURE HARNESS GRILLE DOOR S/W TOP GRILLE (T) FIXTURE Material Description Model R24 F24 R24-2 F24-2 R47 G5F5100401 1 G8F1100101 GI G8F1900301 GI F47 R47-4 F47-4 R72 1 1 G994200100 CU G2F4200401 CU Φ9.52X0.6T G2F4200501 CU Φ9.52X0.
PARTS LIST FOR M3 Part name Code Material Description TOP HINGE SPACE P8F2600100 ABS DRAIN HOSE CAP P8F9900101 RUBBER COMPRESSOR G2F5700100 (CAJ 2420Z) COMPRESSOR G2R5700100 (HBL 27YE-1) COMPRESSOR P2F5700100 (CAJ 2432Z) COMPRESSOR P2R5700100 (SK1A1C-L2W) COMPRESSOR P5F5700100 (CAJ 2446Z) COMPRESSOR P8R5700100 (CAJ 4476Y) BLACK Model R24 F24 R24-2 F24-2 R47 F47 R47-4 F47-4 R72 F72 R72-6 F72-6 2 2 4 4 4 4 8 8 6 6 12 12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Same
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).
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.
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 (R). D. Lift the door (R) and pull it out.
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 (L) and pivot stopper. (this process is opposite to disassemble them.) G. Do just like above instructions in replacing the door (L). 7-2-2. REPLACE DOOR (M3R24-2,M3F24-2,M3R47-4,M3F47-4,M3R72-6,M3F72-6) A. Disassemble top grille (t) and top grille (b) as described section 7-1. B. Unscrew pivot stopper. (both top and bottom side) C.
REPLACEMENT OF MAIN COMPONENTS D. Lift the door (T) (L) and pull it out. E. Unscrew the middle hinge (L). F. Lift the door (U) (L) and pull it out.
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).
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. Unscrew the screws of lamp cover. C.
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. (D-SENSOR IS BLUE) C. Take off the T-sensor from the evap. replace the new one.
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.
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.. B. Replace the new defrost heater and fix it with heater fix spring. Connect connectors.
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. Value from the Amp. Meter. 7-3-5. REPLACE THE EVAPORATOR FAN MOTOR AND FAN BLADE A. After lift the evaporator up, unscrew the screw which used in fixing motor fixture. B.
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. Pull out the harness main.
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.
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, the Compressor ,Condenser coil Condenser fan motor, ETC. on it.
REPLACEMENT OF MAIN COMPONENTS 7-6. REPLACE THE CABINET HEATER AND MULLION HEATER A. Disassemble the liner frame cover with the and edge of ‘一’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. Assemble the liner frame cover.
REPLACEMENT OF MAIN COMPONENTS D. Disassemble the mullion frame cover(v) with the and edge of ‘一’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.
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. Assemble the mullion frame cover(v).(this process is as alike as assembling the liner frame cover) K. Do just like above instructions in replacing mullion heater(h).
REPLACEMENT OF MAIN COMPONENTS 45
