Mitsubishi Electric MR-CU375S-W-A User manual

Changes for the Better
Models
CONTENTS
A………….......Australia
A(NZ)...............New Zealand
1. SPECIFICATIONS....................................................
2. OUTLINES AND DIMENSIONS..................................
3. WIRING DIAGRAM....................................................
4. REFRIGERANT CIRCUIT...........................................
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
4
6
7
8
8
11
12
15
16
21
MR-CU375S-W-A
MR-CU375S-ST-A
MR-CU375S-W-A(NZ)
MR-CU375S-ST-A(NZ)
MR-CU375SL-W-A
MR-CU375SL-ST-A
MR-CU375SL-W-A(NZ)
MR-CU375SL-ST-A(NZ)
2006
SERVICE MANUAL
NO.SM-RE-0605
MITSUBISHI
ELECTRIC
HOME REFRIGERATORS

1-1 SPECIFICATIONS
MR-CU375S/SL-A
MR-CU375S/SL-A(NZ)
Power supply
Total capacity L
Dimensions (HXWXD) mm. 1655 x 600 x 639
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)
Ice spoon 1 pc.
Slide chilled case (UP) 1 pc.
Slide chilled case (LR) 1 pc.
Freezing case (UP) 1 pc.
Freezing case (LOW) 1 pc.
Crystal shelf (R) 1 pc.
Top plate 1 pc.
Slide shelf 1 pc.
Free pocket (M) 2 pcs.
Tube stand 1 pc.
Egg case 1 pc.
Bottle pocket 1 pc.
Vegetable case 1 pc.
Vegetable case cover 1 pc.
Drain pan 1 pc.
Fruit case 1 pc.
Water tank 1 pc.
Kick plate 1 pc.
Weight Unit kg 69
Shipping kg 76
1 SPECIFICATIONS
- 1 -
Insulation
Accessories
GROSS (AS) 376 (R : 198 V : 111 F : 67)
230-240V 50Hz

1-2 ELECTRICAL PARTS SPECIFICATION
MR-CU375S/SL-A
MR-CU375S/SL-A(NZ)
Model ESS60C11RAW
Power supply 220-240V, 50Hz
Compresso
r
Rated input W 116/118 (220/240V 50Hz)
Starting current A 8.49/9.31 (220/240V 50Hz)
Running current A 0.57/0.55 (220/240V 50Hz)
Winding resistance (A.T. 20 oC) 17.9 Ω(Main) / 15.1 Ω(Aux)
PTC RELAY PTH7M330MD2
Model 5TM222NHBYY-53
Motor protecto
r
Ambient temperature oC25
Time Sec. 16 MAX
Current A 6.7
Running capacito
r
4µF 400VAC
Capillary tube mm. ∅1.8 X ∅0.65 X 2350
Dehydrant Molecular sieve g 10
Refrigerant HFC. 134a g 220
Compressor oil g
Defrosting timer Control board
Defrost finish oCThermister 14 + 1.5
Thermal fuse oC73
Defrost heater
Not equipped
Model UDQM002B3
Type DC brushless
Number of poles 10P
Input W 2.4 (12V DC)
Revolution r.p.m 1520(12V DC)
Model UDQM004B3
Type DC brushless
Number of poles 10P
Input W 1 (12V DC)
Revolution r.p.m 1200(12V DC)
Vegetable case heate
r
W6
Water pipe heate
r
W0.9
Drain pipe heate
r
W6
Freeze
r
Refrigerato
r
Dial position ON OFF OPEN SHUT
LOW oC-16.0 -21.9 7.0 5.8
MID oC-18.4 -24.3 5.1 3.8
HI oC-21.1 -27.1 3.2 1.9
186 (FREOL ∝ 10)
Refrigerator
384 Ω(240V, 150W)
- 2 -
Defrosting control
Deodorizing function of defrost heater
Thermistor RThermistor F
Fan motor
Heater
Machine
Chamber
Temperature control

MR-CU375S/SL-A Unit : mm
MR-CU375S/SL-A(NZ)
- 3 -
2 OUTLINES AND DIMENSIONS

MR-CU375S/SL-A (SKELETON WIRING DIAGRAM)
MR-CU375S/SL-A(NZ)
3 WIRING DIAGRAM
- 4 -