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Mitsubishi Electric
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MR-C375C-OB-A
Service Manual
36 pgs2.14 Mb0

Mitsubishi Electric MR-C375C-W-A, MR-C375C-ST-A, MR-C375C-OB-A, MR-C375CL-W-A, MR-C375CL-ST-A Service Manual

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Changes for the Better
Models
CONTENTS
A………….......Australia & New Zea land
1. SPECIFICATIONS....................................................
2. OUTLINES AND DIMENSIONS..................................
3. WIRING DIAGRAM....................................................
5. NAMES OF THE PARTS...........................................
6. TROUBLE SHOOTING..............................................
6.1 TROUBLE CRITERION OF MAIN PARTS.......
6.2 FUNCTION OF OPERATION PANEL..............
6.3 FLOW CHART OF SELF-CHECK....................
6.4 TEST POINT DIAGRAM OF MAIN CONTROL
BOARD........................................................
7. DISASSEMBLY INSTRUCTIONS...............................
8. PARTS LIST............................................................
1 3 5 7 9 11 11 14 15
18 19 24
MR-C375C-W-A MR-C375C-ST-A MR-C375C-OB-A MR-C375CL-W-A MR-C375CL-ST-A MR-C405C-W-A MR-C405C-ST-A MR-C405CL-W-A MR-C405CL-ST-A
2012
SERVICE MANUAL
NO.SM-RE-1206
MITSUBISHI ELECTRIC
HOME REFRIGERATORS
1-1 SPECIFICATIONS
MR-C375C-A, MR-C375CL-A
Power supply
Total capacity
L
Dimensions (HXWXD) mm. 1678 x 600 x 656
Cabinet
Acrylic resin coated steel
Food liner
ABS resin
Cabinet
Foamed cyclopenthane
Refrigerator door
Foamed cyclopenthane
Vegetable door
Foamed cyclopenthane
Freezer door
Foamed cyclopenthane
Cooling system
Freezer
Forced air convection
Refrigerator
3 way air flow
Evaporator
Fin and tube type
Condenser
Concealed type
Defrost system
Automatic (Defrost heater )
Drain
Automatic (drainage)
Temperature control system
Automatic control
Refrigerator room light
240V, 15W (E12)
Glass shelf (R)
1 pc.
Slide shelf
1 pc.
Slide chilled case
1 pc.
Water tank
1 pc.
Free pocket (L)
2 pcs.
Egg case
1 pc.
Bottle pocket 1 pc.
Vegetable case
1 pc.
Fruit case
1 pc.
Freezing case (UP)
1 pc.
Freezing case (LOW)
1 pc.
Ice box sheet
1 pc.
Ice spoon
1 pc.
Ice box
1 pc.
Kick plate
1 pc.
Weight
Unit
kg
69
Shipping
kg
75
1
SPECIFICATIONS
Insulation
Accessories
GROSS (AS) 375 (R : 197 V : 75 F : 103)
230-240V 50Hz
1
MR-C405C-A, MR-C405CL-A
Power supply
Total capacity L
Dimensions (HXWXD) mm. 1798 x 600 x 656
Cabinet Acrylic resin coated steel
Food liner ABS resin
Cabinet Foamed cyclopenthane
Refrigerator door Foamed cyclopenthane
Vegetable door Foamed cyclopenthane
Freezer door Foamed cyclopenthane
Cooling system Freezer Forced air convection
Refrigerator 3 way air flow
Evaporator Fin and tube type
Condenser Concealed type
Defrost system Automatic (Defrost heater )
Drain Automatic (drainage)
Temperature control system Automatic control
Refrigerator room light 240V, 15W (E12)
Glass shelf (R) 2 pcs.
Slide shelf 1 pc.
Slide chilled case 1 pc.
Water tank 1 pc.
Free pocket (L) 2 pcs.
Egg case 1 pc.
Free pocket (S) 1 pc.
Bottle pocket 1 pc.
Vegetable case 1 pc.
Fruit case 1 pc.
Freezing case (UP) 1 pc.
Freezing case (LOW) 1 pc.
Ice box sheet 1 pc.
Ice spoon 1 pc.
Ice box 1 pc.
Kick plate 1 pc.
Weight Unit kg 73
Shipping kg 80
230-240V 50Hz
Insulation
Accessories
GROSS (AS) 405 (R : 227 V : 75 F : 103)
2
1-2 ELECTRICAL PARTS SPECIFICATION
MR-C375C-A , MR-C375CL-A
Model
DHS66C10RAW
Power supply
220-240V, 50Hz
Compressor
Rated input
W
Starting current
A
Rated current
A
Winding resistance
(A.T.
20 oC
)
PTC RELAY
PTH7M330MD2
Model
5TM718MFBYY-53
Motor protector
Ambient temperature
oC
25
Time
Sec.
16 MAX
Current
A
4.2
Running capacitor
4µF
400
VAC
Capillary tube
mm.
∅
1.8 X ∅ 0.6 X
2350
Dehydrant Molecular sieve
g
10
Refrigerant HFC. 134a
g
170
Defrosting timer
Control board
Defrost finish
oC
Thermister
14 + 1.
5
Thermal fuse
oC
73
Defrost heater
Not equipped
Model
FBA12J12VXC
Type
DC brushless
Rate Voltage
12 VDC
Input
W
4.2 (12 VDC)
Revolution
r.p.m
2300 (12 VDC)
Model
4715JL04WS16G51
Type
DC brushless
Rate Voltage
12 VDC
Input W1.44 (12 VDC)
Revolution
r.p.m
1450 (12 VDC)
Vegetable case heater
W
6
Water pipe heater
W
0.9
Drain pipe heater
W
6
Freezer
Refrigerator
Dial position
ON
OFF
OPEN
SHUT
LOW
o
C
-9.2
-15.7
7.0
5.1
MID
o
C
-14.0
-20.0
4.2
2.3
HI
o
C
-16.0
-21.9
1.6
-0.2
Refrigerator
372 Ω (240V,
155W)
113/113.5(220/240V 50Hz)
7.78/8.55(220/240V 50Hz)
0.70/0.64(220/240V 50Hz)
18.4 Ω(
Main
) / 18.
5 Ω(
Aux
)
Defrosting control
Deodorizing function of defrost heater
Thermistor R
Thermistor F
Fan motor
Heater
Machine Chamber
Temperature control
3
MR-C405C-A, MR-C405CL-A
Model
DHS66C10RAW
Power supply
220-240V, 50Hz
Compressor
Rated input
W
Starting current
A
Rated current
A
Winding resistance
(A.T.
20 oC
)
PTC RELAY
PTH7M330MD2
Model
5TM718MFBYY-53
Motor protector
Ambient temperature
oC
25
Time
Sec.
16 MAX
Current
A
4.2
Running capacitor
4µF
400
VAC
Capillary tube
mm.
∅
1.8 X ∅ 0.6 X
2350
Dehydrant Molecular sieve
g
10
Refrigerant HFC. 134a
g
170
Defrosting timer
Control board
Defrost finish
oC
Thermister
14 + 1.
5
Thermal fuse
oC
73
Defrost heater
Not equipped
Model
FBA12J12VXC
Type
DC brushless
Rate Voltage
12 VDC
Input
W
4.2 (12 VDC)
Revolution
r.p.m
2300 (12 VDC)
Model
4715JL04WS16G51
Type
DC brushless
Rate Voltage
12 VDC
Input
W
1.44 (12 VDC)
Revolution
r.p.m
1450 (12 VDC)
Vegetable case heater
W
6
Water pipe heater
W
0.9
Drain pipe heater
W
6
Freezer
Refrigerator
Dial position
ON
OFF
OPEN
SHUT
LOW
o
C
-9.2
-15.7
7.4
5.4
MID
o
C
-14.0
-20.0
4.5
2.6
HI
o
C
-16.0
-21.9
1.9
0.1
Thermistor R
Thermistor F
Fan motor
Heater
Machine
Chamber
Temperature control
Refrigerator
372 Ω (240V,
155W)
113/113.5(220/240V 50Hz)
7.78/8.55(220/240V 50Hz)
0.70/0.64(220/240V 50Hz)
18.4 Ω(
Main
) / 18.
5 Ω(
Aux
)
Defrosting control
Deodorizing function of defrost heater
4
Unit : mm
MR-C375C-A, MR-C375CL-A
2
OUTLINES AND DIMENSIONS
PLUG CORD LENGTH
REQUIRED SPACE FOR INSTALLATION
100
1678
666
50
600
5
124
381
5
Unit : mm
MR-C405C-A, MR-C405CL-A
PLUG CORD LENGTH
REQUIRED SPACE FOR INSTALLATION
100
1798
666
50
20
600
20
5
1248
381
6
(SKELETON WIRING DIAGRAM)
MR-C375C-A, MR-C375CL-A
MR-C405C-A, MR-C405CL-A
3
WIRING DIAGRAM
7
(ACTUAL WIRING DIAGRAM)
MR-C375C-A, MR-C375CL-A
MR-C405C-A, MR-C405CL-A
Remark
GY=GRAY
BK=BLACK
BR=BROWN
W = WHITE OR = ORANGE
R = RED Y = YELLOW
SB = SKY BLUE YG = YELLOW/GREEN
P = PINK LG = LIGHT GREEN
LB = LIGHT BROWN BY = BRIGHT YELLOW
V = VIOLET BU = BLUE
8
MR-C375C-A, MR-C375CL-A
MR-C405C-A, MR-C405CL-A
4
REFRIGERANT CIRCUIT
Muffler
Evaporator
Capillary tube
Suction pipe
Dryer
Cabinet pipe
Charge pipe (High pressure side)
Charge pipe (Low pressure side)
Compressor
9
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