Commercial Refrigerator Service Manual

Transcription

1 Commercial Refrigerator Service Manual Sandwich Prep Table Model : MST-28 MST-48 MST-60 MST-72

2 TABLE OF CONTENTS. EXPLODED VIEW -.MST-28 EXPLODED VIEW -.MST-48 EXPLODED VIEW -.MST-60 EXPLODED VIEW -.MST-72 EXPLODED VIEW 2. WIRING DIAGRAMS 2-. MST-28 / MST MST MST MAIN COMPONENTS 4. TEMPERATURE CONTROL INSTRUCTION 5. PARTS LIST 6. REPLACEMENT OF MAIN COMPONENTS 6-. REPLACING DOOR 6-2. REFRIGERATION COMPARTMENT PARTS 6-3. COMPRESSOR COMPARTMENT PARTS 6-4. REPLACING THE EVAPORATOR & EVAPORATOR FAN MOTOR

3 . EXPLODED VIEW -. MST-28 EXPLODED VIEW Part Name SHELF EVAPORATOR FAN DUCT 2 BOTTOM HINGE 2 CABINET ASSEMBLY 2 LOUVE 22 TAMPERATURE CONTROL COVER 3 CONDENSER ASSEMBLY 3 PAN DUCT SIDE(LF) 23 EVAPORATOR DUCT 4 COMPRESSOR 4 PAN DUCT MID 24 CASTER 5 MECH COVER 5 PAN DUCT SIDE(RH) 6 BRACKET BOARD 6 PAN DUCT FRONT 7 COUNTER TOP 7 EVA DRAIN GUIDE 8 BRACKET BOARD KITCHEN 8 EVAPORATOR ASSEMBLY 9 HOOD 9 DOOR ASSEMBLY 0 HOOD LID 20 TOP HINGE

4 -2.MST-48 EXPLODED VIEW Part Name SHELF 3 LOUVER 25 2 COMPRESSOR 4 EVAPORATOR DRAIN GUID 26 3 CONDENSER ASSEMBLY 5 EVAPORATOR ASSEMBL 27 4 MECH COVER(RH) 6 PAN DUCT SIDE(LF) 28 5 UNIT COVER 7 PAN DUCT MID 29 6 MECH COVER(LF) 8 PAN DUCT SIDE(RH) 7 BOARD KITCHEN 9 PAN DUCT FRONT 8 COUNTER TOP ASSEMBLY 20 TOP HINGE(LF) 9 BRACKET BOARD KITCHEN 2 DOOR ASSEMBLY(LF) 0 HOOD 22 BOTTOM HINGE(LF) HOOD LID 23 DOOR ASSEMBLY(RH) 2 EVAPORATOR FAN DUCT 24 TOP HINGE(RH) BOTTOM HINGE(RH) TAMPERATURE CONTROL COVER EVAPORATOR DUCT CASTER CABINET ASSEMBLY

5 -3. MST-60 EXPLODED VIEW Part Name SHELF 4 HOOD LID 27 TAMPERATURE CONTROL COVER 2 CABINET ASSEMBLY 5 EVAP FAN DUCT 28 EVAPORATOR DUCT 3 COMPRESSOR 6 LOUVER 29 CASTER 4 CONDENSER ASSEMBLY 7 PAN DUCT SIDE(LF) 5 BOARD KITCHEN 8 PAN DUCT MID 6 COUNTER TOP ASSEMBLY 9 PAN DUCT SIDE(RH) 7 BRACKET BOARD KITCHEN 20 PAN DUCT FRONT 8 HOOD 2 TOP HINGE(LF) 9 MECH COVER(RH) 22 DOOR ASSEMBLY(LF) 0 UNIT COVER 23 BOTTOM HINGE(LF) MECH COVER(LF) 24 DOOR ASSEMBLY(RH) 2 EVAPORATOR ASSEMBLY 25 TOP HINGE(RH) 3 EVAPORATOR DRAIN GUID 26 BOTTOM HINGE(RH)

6 -5. MST-72 EXPLODED VIEW Part Name SHELF 4 EVAP DRIAN GUIDE 27 DOOR ASSEMBLY(RH) 2 CABINET ASSEMBLY 5 EVAPORATOR 28 TOP HINGE(RH) 3 COMPRESSOR 6 MECH COVER(LF) 29 BOTTOM HINGE(RH) 4 CONDENSER ASSEMBLY 7 UNIT COVER 30 TAMPERATURE CONTROL COVER 5 HOOD LID(RH) 8 MECH COVER(RH) 3 EVAPORATOR DUCT 6 BRACKET BOARD KITCHEN 9 PAN DUCT SIDE(LF) 32 CASTER 7 BRACKET BOARD 20 PAN DUCT MID 8 HOOD(RH) 2 PAN DUCT SIDE(RH) 9 COUNTER TOP ASSEMBLY 22 PAN DUCT FRONT 0 HOOD(LF) 23 TOP HINGE(LF) HOOD LID(LF) 24 DOOR ASSEMBLY(LF) 2 EVAPORATOR FAN DUCT 25 BOTTOM HINGE(LF) 3 LOUVER 26 DOOR ASSEMBLY(MID)

7 2. WIRING DIAGRAMS 2-. MST-28 / MST MST-60 / MST-72

8 3.MAIN COMPONENTS.COMPRESSOR MODEL PART NAME PART NO. HORSE CAPACITY MST-28 HBL-27YE- M /4HP MST-48 MST-60 SKAC-L2W CAE4456Y M M /3HP /2HP MST-72 CAE4456Y M /2HP TYPE OF CSIR CSIR CSIR CSIR INPUT 5V 60Hz 5V 60Hz 5V 60Hz 5V 60Hz MAKER DAEWOO SAMSUNG TECUMSHE TECUMSHE 2.COMPRESSOR RELAY,OVERLOAD MODEL RELAY OVERLOAD MST-28 GSR SO68 E RHBZZ-52 MST-48 MST-60 J53Q34E220M3503 3ARR2 795TFBZZ-53 MST6AGZ-3240D5AP MST-72 3ARR2 MST6AGZ-3240D5AP MAKER DAEWOO SAMSUNG TECUMSHE TECUMSHE NOTE 3.COMPRESSOR CAPACITOR MODEL MST-28 MST-48 MST-60 MST-72 STARTING 200V/00uF 25V/25uF 60V/35uF 60V/35uF PART NO. RUNNING 230V/0uF 250V/2uF PART NO. MAKER NOTE 4.CONDENSER FAN MOTOR MODEL MST-28 MST-48 MST-60 MST-72 PART NAME IS-4420DWSN-2A IS-4420DWSN-2A IS-4420DWSN-2A IS-4420DWSN-2A PART NO INPUT 5V 60Hz TYPE SHADED POLE INDUCTION BLADE AL 5 MAKER SUNGSHIN 5.EVAPORATOR FAN MOTOR MODEL MST-28 MST-48 MST-60 MST-72 PART NAME DAI-6202DEUA DAI-6202DEUA DAI-6202DEUA DAI-6202DEUA PART NO. M POLE 2P 2P 2P 2P INPUT 5v60Hz 5v60Hz 5v60Hz 5v60Hz TYPE SHADED POLE INDUCTION BLADE (NUMBER) ZYTEL 4 NO SUNGSHIN 6.THERMOSTAT PART NAME THERMOSTAT PART NO L000 RATING K55Q-5607,6A MST-28 MST-48, MST-60,MST-72 MAKER RANCO

9 4.TEMPERATURE CONTROL INSTRUCTION - Temperature can be controlled by the user. - Factory setting is at "NORMAL" Settings can be changed by Dial Knob. Indicates temperature level setting.

10 5. PARTS LIST Part Name Part Code Description Model Remark. DOOR DOOR ASSEMBLY (L) WM DOOR ASSEMBLY (L) WM DOOR ASSEMBLY (M) WM DOOR ASSEMBLY (R) WM DOOR ASSEMBLY (R) WM DOOR ASSEMBLY (R) WM DOOR BUSHING M PA DOOR GASKET M PVC DOOR BUSHING M PA DOOR GASKET M PVC DOOR GASKET M DOOR GASKET M TOP HINGE ( R ) M TOP HINGE ( L ) M TOP HINGE SPACER M BOTTOM HINGE (U)(R) 30229M BOTTOM HINGE (U)(L) 30229M0300 SPRING BAR COUNTER TOP COUNTER TOP ASSEMBLY S COUNTER TOP ASSEMBLY S COUNTER TOP ASSEMBLY S COUNTER TOP ASSEMBLY S CASTER M CASTER M COMPRESSOR COMPARTMENT COMPRESSOR M COMPRESSOR M COMPRESSOR M SUCTION PIPE(B) M SUCTION PIPE(B) M SUCTION PIPE(B) M SUCTION PIPE(B) M CU SUCTION PIPE(A) M CU SUCTION PIPE(A) M CU SUCTION PIPE(A) M CU COMP BASE M GI COMP BASE M GI COMP BASE M GI COMP BASE M GI

11 Part Name Part Code Description Model CONDENSER FAN MOTOR IS-4420DWSN-2A 2 POWER CORD CONDENSER FAN AIR GUIDE M M KKP-30(9.85FT) GI DRAIN PAN 302A0200 PP DRAIN PAN M PP DRAIN PIPE M DRAIN PIPE M CONDENSER MOTOR BRACK CONDENSER FAN BLADE M AL 2 Remark Part Name Part Code Description Model REFRIGERATION COMPARTMENT PAN SUPPORT ASS'Y S SUS304-2B PAN SUPPORT ASS'Y S PAN SUPPORT ASS'Y S PAN SUPPORT ASS'Y S PAN SUPPORT ASS'Y S EVAP FAN MOTOR M IS-3220QTBD KITCHEN BOARD M MIPS KITCHEN BOARD M KITCHEN BOARD M KITCHEN BOARD M PAN DUCT MID E PAN DUCT MID S PAN DUCT MID S SUS304-2B PAN DUCT SIDE(L) E SUS304-2B PAN DUCT SIDE(L) S SUS304-2B PAN DUCT SIDE(L) S SUS304-2B PAN DUCT SIDE(R) E SUS304-2B PAN DUCT SIDE(R) S PAN DUCT SIDE(R) S PAN DUCT FRONT S PAN DUCT FRONT S PAN DUCT FRONT S PAN DUCT FRONT S PAN GUIDE S PAN GUIDE S SUS304-2B Remark

12 Part Name Part Code Description Model LOUVER M SUS439-2B LOUVER M SUS439-2B LOUVER M SUS439-2B LOUVER M SUS439-2B SHELF M SUS304 SHELF M SHELF M SHELF MID M FIXTURE SHELF CLIP 30220L SHELF MID BRACKET M SHELF STANDARD M DRAIN PAN GUIDE(R) M DRAIN PAN GUIDE(L) M EVAPORATOR AS M EVAPORATOR AS M EVAPORATOR AS M EVAPORATOR AS M THERMOSTAT 30283L000 EVAPOVATOR FAN DUCT M EVAPOVATOR FAN DUCT M EVAPOVATOR FAN DUCT M EVAPOVATOR FAN DUCT M EVAPOVATOR DUCT M SUS439-2B EVAPOVATOR DUCT M EVAPOVATOR DUCT M EVAPOVATOR DUCT M FIXTURE EVAP DUCT BRACKET M SUS439-2B HOOD LID WS SUS304-#4 HOOD LID WS HOOD LID WS HOOD LID WS HOOD LID WS MULLION FRAME M MULLION BACK FRAME M MULLION FRAME INSULATION M CONDENSER AS M CONDENSER AS M CONDENSER AS M HOOD SHAFT SPACER M HOOD HINGE M BRACKET BOARD KITCHEN(L) M BRACKET BOARD KITCHEN(R) 30206P902 BRACKET MOTOR 30220T FAN COOLING BLADE PAN 302M Remark

13 6. REPLACEMENT OF MAIN COMPONENTS 6-. REPLACING DOOR A. Unscrew the top hinge B. Lift the door 6-2. REFRIGERATION COMPARTMENT PARTS ` A.Disassemble the evaporator fan duct assembly B.Disassemble the evaporator duct

14 C.Remove the tamperature & sensor 6-3. COMPRESSOR COMPARTMENT PARTS A.Disassembly the rear grill B.Disassembly the condesing unit

15 6-4. REPLACING THE EVAPORATOR & EVAPORATOR FAN MOTOR A.Remove the evaporator coil B.Remove the evaporator fan motor