Commercial
Refrigerator & Freezer
Service Manual
Solid Door
Model No. : MSR-23NM
MSR-49NM
MSF-23NM
MSF-49NM
Glass Door
Model No. : MSR-23G-1
MSR-49G-2
TABLE OF CONTENTS
1. FEATURE CHART
1-1. FRONT VIEW(MSF-49NM)
1-2. SIDE VIEW(MSF-49NM)
1-3. FRONT VIEW(MSR-49G-2)
1-4. SIDE VIEW(MSR-49G-2)
2. WIRING DIAGRAM
2-1. REFRIGERATOR : MSR-23NM, MSR-49NM
2-1. REFRIGERATOR : MSR-23G-1, MSR-49G-2
2-2. FREEZER : MSF-23NM, MSF-49NM
3. PART DETAILS
3-1. TOP PANEL
3-2. COMPRESSOR COMPARTMENT
3-3. DOOR
3-4. COOLING COMPARTMENT
4. MAIN COMPONENTS
4-1. COMPRESSOR
4-2. POWER RELAY(COMP. RELAY)
4-3. CONDENSER DRYER
4-4. COMPRESSOR CAPACITOR
4-5. EVAPORATOR FAN MOTOR
4-6. CONDENSER FAN MOTOR
4-7. EVAPORATOR DEFROST HEATER
4-8. LAMP BULB
4-9. MAIN PCB
4-10. DISPLAY PCB
4-11. BALLAST
1. FEATURE CHART
1-1. FRONT VIEW(MSF-49NM)
①
⑨
③
⑥
⑤
②
④
⑦
⑧
⑩
⑪
⑫
5. ELECTRONIC CONTROL INSTRUCTIONS
5-1. FREEZER CONTROL
5-1-1. HOW TO USE THE DISPLAY PCB PANEL
5-1-2. MANUAL DEFROST
5-1-3. FUNCTION TABLE
5-1-4. ERROR CODE TABLE
5-2. REFRIGERATOR CONTROL
5-2-1. HOW TO USE THE DISPLAY PCB PANEL
5-2-2. FUNCTION TABLE
5-2-3. ERROR CODE TABLE
6. REPLACEMENT OF MAIN COMPONENTS
6-1. TOP PANEL PARTS
6-2. REPLACING DOOR
6-3. DOOR SPRING ADJUSTMENT
6-4. REVERSIBLE-DOOR ASSEMBLING METHOD
6-5. REFRIGERATION COMPARTMENT PARTS
6-6. CONDENSING UNIT
6-7. LIGHTING-PARTS
7. PART-LIST
2
⑯
①TOP PANEL
②DOOR SWITCH
③POWER SWITCH
④DOOR LOCK
⑤MAIN PCB
⑥POWER RELAY(COMP.RELAY)
⑦DISPLAY PCB
⑧CONTROL BOARD HOUSING
⑬
⑭
⑮
⑨FREEZER BRAND LOGO
⑩DOOR HINGE TOP
⑪DOOR
⑫DOOR HANDLE
⑬DOOR HINGE BOTTOM
⑭BOTTOM GRILLE
⑮CASTER
⑯DRAIN PAN
3
FEATURE CHART
FEATURE CHART
1-2. SIDE VIEW(MSR-49NM)
③
②
①
⑦
⑨
⑧
⑬
⑥-②
④
⑭
⑯
⑤
⑥-④
⑥-③
⑩
⑥-①
⑪
⑫
⑮
1-3. FRONT VIEW(MSR-49G-2)
① ⑦ ⑧ ⑨
⑲
③
⑥
⑤
②
⑩
⑪
④
⑱
⑰
⑱
⑲
⑰
①TOP PANEL
②POWER RELAY
③MAIN PCB
④DOOR
⑤EVAPORATOR FAN MOTOR
⑥SENSOR
⑥-① FREEZER C SENSOR
⑥-② DEFROST SENSOR
⑥-③ REFRIGERATOR C SENSOR
⑥-④ REFRIGERATOR T SENSOR
⑦LAMP BULB
⑳
⑧LAMP SHIELD
⑨LAMP SOCKET
⑩
EVAPORATOR DEFROST HEATER
⑪EVAPORATOR DRAIN HOSE
⑫
EVAPORATOR DRAIN PAN HEATER
⑬
EVAPORATOR FAN MOTOR GUARD
⑭SHELF
⑮SHELF CLIPS
⑯SHELF STANDARD
⑰BOTTOM GRILLE
⑱
COMPRESSOR CAPACITOR COVER
⑲COMPRESSOR CAPACITOR
⑳CONDENSOR COIL
CONDENSOR FAN MOTOR
CONDENSOR DRYER
COMPRESSOR
CAPILLARY TUBE
SUCTION LINE
DRAIN-HOSE
CASTER
4
⑫
⑬
⑭
①TOP PANEL
②DOOR SWITCH
③POWER SWITCH
④LAMP SWITCH
⑤MAIN PCB
⑥POWER RELAT(COMP RELAY)
⑦DOOR LOCK
⑧DISPLAY PCB
⑨CONTROL BOARD HOUSING
⑩DOOR HEATER HARNESS
⑯
⑮
⑪DOOR HINGE TOP
⑫DOOR HINGE BOTTOM
⑬BALLAST
⑭DRAIN PAN
⑮CASTER
⑯BOTTOM GRILLE
⑰DOOR HANDLE
⑱GLASS DOOR
⑲REFRIGERATOR BRAND LOGO
5
FEATURE CHART
2. WIRING DIAGRAM
1-4. SIDE VIEW(MSR-49G-2)
①
⑦
⑧
⑨
⑩
⑪
⑫
⑦
② ③ ④
2-1. REFRIGERATOR
● MSR-23NM
⑤
⑥
● MSR-49NM
⑬
①TOP PANEL
②EVAPORATOR FAN BLADE
③EVAPORATOR FAN MOTOR
④EVAPORATOR COIL
⑤EVAPORATOR TOP DRAIN HOSE
⑥EVAPORATOR DRAIN FAN
⑦LAMP SOCKET
⑧FLUORESCENT LAMP
⑨SHELF STANDARD
⑩DOOR HANDLE
6
⑭
⑪DOOR FRAME
⑫FLUORESCENT LAMP ASSEMBLY
⑬BOTTOM GRILLE
⑭CASTER
7
3. PART DETAILS
PART DETAILS
3-1. TOP PANEL
Display PCB
Power SwitchPower SwitchPower Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power Switch
Power SwitchPower Switch
Power SwitchPower Switch
Power Switch
Power SwitchPower Switch
POWER SWITCHPOWER SWITCHPOWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
POWER SWITCH
Door LockDoor LockDoor Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door Lock
Door LockDoor Lock
Lamp SwitchLamp SwitchLamp Switch
Lamp SwitchLamp Switch
Lamp SwitchLamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp Switch
Lamp SwitchLamp Switch
3-2. COMPRESSOR COMPARTMENT
Condensing Unit
MSR-49NM
Main PCB
POWER RELAYPOWER RELAYPOWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
POWER RELAY
10
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCB
MAIN PCBMAIN PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCB
DISPLAY PCBDISPLAY PCB
MSF-49NM
MSF-23NM, MSR-23NM
11
3-3. DOOR
Door Gasket
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKET
GASKETGASKET
PART DETAILS
Drain Pan
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
WICKING
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
DRAIN PANDRAIN PANDRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
DRAIN PAN
PART DETAILS
3-4. COOLING COMPARTMENT
Evaporator Housing (Duct) (MSF-49NM)
DRAIN HOSEDRAIN HOSEDRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
DRAIN HOSE
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
Freezer Evaporator(MSF-49NM)
FREEZER C SENSORFREEZER C SENSORFREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
FREEZER C SENSOR
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMP
LAMPLAMP
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COIL
EVAPORATOR COILEVAPORATOR COIL
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
FAN MOTOR
Condenser Fan Motor Assembly
Compressor Capacitor(Running & Starting Capacitor)
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
EVAPORATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
DEFROST HEATOR
12
13