SAWAFUJI ELECTRIC 0642 032 0310 Service Manual Download Page 4

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■ Specifications Table

MT35F-G4-P

MT45F-G4-G

MT45F-G4-P

MT45F-G4-L

0642 032 0T60

0642 042 0T52

0642 042 0T60

0642 042 0T70

STORAGE VOLUME ℓ （liter）

14.3×16.1×25.5

364×408×648

10.6×10.6×15

270×270×380

CABINET

DOOR

CABINET

DOOR

CABINET

DC12V

DC24V

LBS.

46.3

※1 We took the largest mesurement ( including latch and handles)

※2 At an ambient temperature of 30℃ with the refrigerator door closed

14.3×20×25.5

10.6×14.6×15

RATED AMPERAGE

−18 ℃　or lower

SK511P (K3)

1.3A

0.35A

MODEL CODE

REFRIGERANT

HFC-134a

364×508×648

1. SPECIFICATIONS

OUTER
ENCLOSURE

COMPRESSOR MODEL

INTERIOR
DIMENSIONS
W×H×D ※1

2.6A

EXTERIOR
DIMENSIONS
W×H×D　※1

240V

MODEL

INPUT VOLTAGE

12/24V

270×370×380

INPUT VOLTAGE
RANGE OF POWER
SUPPLY

11V～32V

WEIGHT

52.9

HEAT INSULATOR

Painted steel plate

Foamed Polyurethane (Cyclopentane)

INNER ENCLOSURE

A.B.S.Resin

COMPRESSOR RATING

TEMPERATURE CONTROL

AC 15V, 1.8A, 27W

Automatic temperature control by dial setting (Electronic

thermostat control type)

8℃±3℃

by Thermostat control NOTCH 1

TEMPERATURE CONTROL
NOTCH 5 OR FREEZE ※2

AVERAGE INNER
TEMPERATURE ※2

Summary of Contents for 0642 032 0310

Page 1: ...ODEL Digital display type MT35F G4 P 0642 032 0T60 MT35F U1D P 0642 032 0310 MT45F G4 G 0642 042 0T52 MT45F G4 P 0642 042 0T60 MT45F U1D P 0642 042 0R40 MT45F G4 L 0642 042 0T70 2020 02 1 SERVICE MANUAL ...

Page 2: ...tor This manual is intended for repair engineers who are familiar with basics service skills and knowledge for ENGEL refrigerator This manual does not guarantee correct maintenance when service is done by a non skilled worker without technical knowledge Note that the content of this booklet including product specifications is subject to change for improvement without notice Always comply with the ...

Page 3: ...erature controller 9 Trouble flowchart 9 Refrigerator is too Cold 9 Does not get Cold 10 Cooling is Weak 11 Typical Problem 12 Technical Data 12 6 CHECK POINT CHECK METHOD 13 Check 1 Special Fuse Blade Fuse 13 Check 2 Output Voltage of the Compressor 13 Check 3 Check the Resistance at the Coil if Compressor 13 Check 4 Resistance of Thermistor 14 Check 5 Resistance of Control Assy 14 Check 6 Compre...

Page 4: ...ATED AMPERAGE 18 or lower SK511P K3 1 3A 0 35A MODEL CODE REFRIGERANT HFC 134a 40 364 508 648 1 SPECIFICATIONS OUTER ENCLOSURE COMPRESSOR MODEL INTERIOR DIMENSIONS W H D 1 2 6A EXTERIOR DIMENSIONS W H D 1 240V MODEL INPUT VOLTAGE 12 24V 270 370 380 1 INPUT VOLTAGE RANGE OF POWER SUPPLY DC 11V 32V WEIGHT 24 52 9 HEAT INSULATOR Painted steel plate Foamed Polyurethane Cyclopentane INNER ENCLOSURE A B...

Page 5: ...atic temperature control by dial setting Electronic thermostat control type WEIGHT 2 24 21 REFRIGERANT HFC 134a AVERAGE INNER TEMPERATURE 2 8 3 by Thermostat control NOTCH 1 TEMPERATURE CONTROL NOTCH 5 OR FREEZE 2 18 or lower INPUT VOLTAGE RANGE OF POWER SUPPLY DC 11V 32V COMPRESSOR MODEL SK511P K3 COMPRESSOR RATING AC 15V 1 8A 27W HEAT INSULATOR Foamed Polyurethane Cyclopentane INPUT VOLTAGE 120V...

Page 6: ... Exterior Interior Dimensions Tolerance is omitted Unit mm MT35F MT45F 1 SPECIFICATIONS 3 270 408 648 364 648 364 508 380 270 370 380 270 ...

Page 7: ...ing both under fridge or bottom and above fridge top cover Temperature Setting Turn the temperature setting knob to change the air temperature inside the refrigerator 5 4 Vent opening size must be larger than 160 for each opening the more air circulation over the condenser the more efficiently fridge will operate Inside temperature OFF Stop Approx 18 at an ambient temperature of 30 with the refrig...

Page 8: ...hen AC will be automatically selected if both voltages are applied 2 INSTALLING A REFRIGERATOR If the voltage is too high it will damage the product If it s too low the cooling efficiency will be reduced the running time will increase and the battery will be subjected to an increased load In order to protect the power supply from damage caused by reversed polarity the product is fitted with an aut...

Page 9: ... Follow the chart below when wiring the refrigerator to the battery To prevent radio noise and avoid absorbing high surge frequency insert a capacitor of 10000μ F as shown in fig 4 below To avoid burn of wires between the battery and the refrigerator in the event of a short circuit install a 10A fuse in the wiring circuit nearer to the battery To further reduce the radio interference during DC ope...

Page 10: ... MT35F MT45F 3 PART NAME 7 ...

Page 11: ...lock Diagrams 1 MODEL MT35F G4 P MT35F U1D P MT45F G4 P MT45F G4 L MT45F G4 G MT45F U1D P Wiring Diagrams 1 MODEL MT35F G4 P MT35F U1D P MT45F G4 P MT45F G4 L MT45F G4 G MT45F U1D P 8 4 CONNECTING DIAGRAM ...

Page 12: ... the power DC voltage is too low E 04 Ambient temperature is too low Check whether the ambient temperature is too low E 05 Thermistor is shorted Replace the thermistor Page 14 Check4 E 06 Thermistor is open 9 Replace the thermistor E 07 Abnormal input DC voltage too high Check whether the power DC voltage is too high Checking Test result Judge Fixing Power supply Temperature controller is broken R...

Page 13: ...Approx 2kΩ 10kΩ ２ Thermistor is broken Ω Replace the thermistor Power supply output voltage Approx AC13V 17V １ AC 0V Power supply is broken Replace the power supply Lower than AC１３Ｖ Output maladjustment See page14 Check 4 Output maladjustment See page 13 Check 2 Normal Repeats fuse blown Yes Yes No No Yes Normal Normal No Yes No cooling unit is broken Higher than 2 0A The compressor is locked or c...

Page 14: ...temparature is higher than 30 NO YES There are too many things in the refrigerator Make some room for cool air YES Power supply output ｖoｌｔａｇｅ Approx AC13V 17V １ Lower than AC１1Ｖ Replace the power supply Output maladjustment Is the fan motor running NO Fan motor is broken Replace the fan motor YES Higher than 2 0A The compressor is locked or contaminated Lower than 1 5A Gas is leaking Compressor r...

Page 15: ... the compressor is open Replace the cooling unit Power supply is broken Replace power supply Compressor does not work Make at least 150mm room between unit and wall Too many things are put inside Digital display of temperature controller is not lit The special fuse inside DC cord is open Fuse in the vehicle is open Socket or other DC power line in the vehicle is bad Cooling is weak Gas is leaking ...

Page 16: ...dge Approx AC13 17V Normal AC 0 V Power Supply is broken Approx AC13V or lower Compressor is locked Check 3 Check the Resistance at the Coil if Compressor Fig 3 Checking points Remove two pin coupler at motor cord and check Test result Judge Approx 1 69 Ω Normal Ω Broken 0Ω Coil of compressor is short circuit 6 CHECK POINT CHECK METHOD 13 Please attach attention to the special fuse of orientation ...

Page 17: ...25 Test result Judge Approx DC12 14V Normal DC 0 V 12V less than Use power DC12V Ambient temp 25 Test result Judge Approx DC12V Normal DC 0 V 11V less than Use power DC24V Ambient temp 25 Test result Judge Approx DC24V Normal DC 0 V 23V less than Check the voltage at between terminals ORANGE and BLACK 6 CHECK POINT CHECK METHOD 14 Temperature controller is broken Temperature controller is broken T...

Page 18: ...CHECK POINT CHECK METHOD Current value measurement with clamp meter between input cord terminals Higher than 2 0A Compressor is locked or contaminated 15 Fig 7 Please be careful not to mistake the polarity of the power supply When connect with DC24V or wrong polarity fan motor will fail Please use such as support coupler so as not to short circuit power Fig 6 To measure the rated current of the co...

Page 19: ...lers Fig 3 Remove two screws of power supply Fig 3 Take out the power supply Fig 3 7 REPLACING PARTS 16 Fig 2 Fig 3 DOOR Fig 1 14mm 14mm WORK TIPS When re installing for door and hinges please be care with placing position of hinge height Position must be 14mm from the cabinet Please see reference picture in below After installation of door please make sure for interior light not leak from side of...

Page 20: ...emove the cover pipe Fig 6 Remove two screws of cover pipe Fig 6 Remove two fasteners of cover pipe Fig 6 Remove the cover pipe Fig 6 Remove the rubber bushing Fig 6 Remove LED light Fig 6 ７ Remove two screws of wire condenser Fig 7 Cut the fastener Fig 7 7 REPLACING PARTS 17 Fig 5 Fig 6 Fig ７ EVAPORATOR COVER PIPE FASTENER RUBBER BUSHING Fig 4 LED LIGHT ...

Page 21: ...ll out the negative side Fig 10 How to Replacement of Power Supply 1 Remove the door How to Replace Cooling Unit STEP 1 2 Remove the motor cover How to Replace Cooling Unit STEP 2 3 Take out the power supply How to Replace Cooling Unit STEP 3 4 Remove four screws of power supply Fig 11 5 Remove ground cord of power supply Fig 11 7 REPLACING PARTS 18 Fig 9 Fig 10 COOLING UNIT EVA THERMISTER COMPRES...

Page 22: ...r Fig 12 5 Cut fastener Fig 12 6 Remove two screws Fig 12 7 Remove four screws Fig 12 How to Replacement of Temperature controller 1 Remove the door How to Replace Cooling Unit STEP 1 2 Remove the motor cover How to Replace Cooling Unit STEP 2 3 Cut the fastener Fig 14 4 Pull out three couplers Fig 14 5 Remove the dial Fig 14 6 Peel off the mark Fig 14 7 Remove two screws Fig 14 7 REPLACING PARTS ...

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