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TRANSCRIPT
Service Manual
RefrigeratorModel:FR-540NT
DAEWOO ELECTRONICS CO., LTD.
S/M No. : FR540NT010
1. SPECIFICATION
MODEL NAME FR-540NT
RefirgerantR12 200g
R134a 170g
Cooling System Fan Cooling Convection
Refrigeration System Air Forced Convection
Defrost System Fin Evaporator Forced
Defrost Operation Automatic Start & Stop
Cold Control Adjustable Button
Capacity
Freezer 122
Refrigerator 332
Total 454
ExternalDimension
Height 1788mm
Width 768mm
Depth 718mm
Net Weight 89Kg
2. EXTERNAL VIEW
3
760
31.5
595
770
1422.5
700
53
3
770
568
11
1066
1768
121
712 2424
136
1015
511
22
24
60
760
3. WIRE DIAGRAM
4
F-SENSOR
D-SENSOR
R1-SENSOR
OR X 2
BL X 2
WH
GY
R-F/M
COMMON
D-HTRCOMP
DR S/W
F-F/M
HARNESS14PIN
BL X 2
GY
X 2
VT BK
BK
BL
YW
BK
WHRDBR
RD
WHD
EFRO
STH
EATE
R
GY
TEMPFUSE BL
BK X 4
FM
FMF-F/M
R-F/M
RD
BK
DR S/W
2 1 3 4
BK
COMPRESSOR
BK
P-RELAY1 2
43
BR
L/BL
GN/YW
M A
PLUG
RD
R ROOM LAMP
BLBL YW
YW
RD F RO
OM
LAM
P
YW
F-PCB
M-PCB
4. NAME OF PARTS
5
1. FR-540N
1
2345
678
9
10
11
1213
1415
17
18
19
20
21
16
1 Freezer Lamp2 Freezer Shelf3 Case Icing4 Guide Icing5 Ice Box6 Chilled Door7 Chilled Case8 Deodorant9 Refrigerator Side Louver10 Refrigerator Shelf11 Cover Cubic Duct12 Crisper Cover13 Box Vegetable *L14 Front Grille15 Adjustable Foot16 Box Vegetable *R17 Freezer Pocket18 Pocket(A)19 Egg Case20 Multi Pocket21 Pocket(B)
2. FR-540NT
1
2345
678
9
10
11
1213
1415
17
18
19
20
21
16
1 Freezer Lamp2 Freezer Shelf3 Case Icing4 Guide Icing5 Ice Box6 Chilled Door7 Chilled Case8 Deodorant9 Refrigerator Side Louver10 Refrigerator Shelf11 Cover Cubic Duct12 Crisper Cover13 Box Vegetable *L14 Front Grille15 Adjustable Foot16 Box Vegetable *R17 Freezer Pocket18 Pocket(A)19 Egg Case20 Multi Pocket21 Pocket(B)
6
2. AIR FLOW DIAGRAM FR-540NT
-19ûC
-19ûC
-1~1ûC
-19ûC
1~3ûC
1~3ûC
3~5ûC
3~6ûC
Freezer pocketPlease don't put long term storingitems such as ice cream etc.It might be melted because ofopening the door frequently.
Inlet of cooling airIt should not be blocked with foodetc. as it is the inlet where coolingair returns.
Chilled roomIt is good for the storage of fishesand meats.
Refrigerator pocketIt is good for the storage of beerand beverage etc.
CrisperIt is suitable to store vegetable andfruit.The moisture panel which isattached to the cover maintains thehumidity properly.Vegetable and fruit would be betterto be packed with clean wrap foils.
Multiple outlet of cooling airPlease don't put in vegetableetc, which contain moisture. It might be frozen because oflow temperature.
Freezer Please don't put bottlessuch as beer, beverage etc. It might be brokenbecause of freezing.
6. REFRIGERANT CYCLE DIAGRAM
7
FIN CROSS
EVA
SUC-PIPE
MA
IN C
API
TU
B.
ACCUMHOT PIPE
DRYER
COMP
AUX-HOT PIPE
AU
X-H
OT
PIPE
BAC
K P
LATE
PIP
E
COMPRESSOR
AUXICON
PIPE
HOT
PIPE
AUXIHOT
PIPE
BACK
PLATE
PIPE
DRYER
CAPI
TUBE
EVAPORATOR
ACCUMULATOR
SUC
PIPE
COOLING PIPE
7. MACHINE ROOM VIEW AND PART LIST
8
13
6
5
8
21
16
19
15
18
17
1 2 3 4 14
22 10
9
12
20
11
7
NO PART NAME NO PART NAME NO PART NAME
1 BASE COMPRESSOR 9 DRYER 17 BIND WIRE
2 COMPRESSOR 10 PIPE CON (SUC) 18 PLUG POWER AS
3 ABSORBER COMPRESSOR 11 VIBRATIONPROOF GUM 19 SCREW MACHINE
4 WASHER COMP. *T 12 PIPE CON (AUX) 20 PIPE CON (HOT)
5 SWITCH P-RELAY AS 13 HOSE DRAIN (B) 21 TAPE OPP
6 BAND RELAY 14 VIBRATIONPROOF MASS 22 PIPE CON (P.A)
7 TAPE COTTON 15 SCREW TAPPING
8 PIPE SERVICE 16 COVER CONNECTOR
9
8. MAIN COMPONENTS
1. COMPRESSOR
2. RELAY ASSEMBLY
3. RUNNING CAPACITOR
Refrigerant R12
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Comp. model X BL25YE-3 BL25YE-1 X PL28YE-6 PL25YE-4 PL28YE-6
Part code X 3952125C30 3952125C10 X 3956128C60 3956128C40 3956128C60
Strating type X CSR CSR X RSCR RSCR RSCR
Refrigerant R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Comp. model X HBL25YG-3 HBL25YE-1 X HSL27YE-5 X HSL27YE-5
Part code X 3952125L3A X 3954127L50 X
Strating type X CSR CSR X RSIR X RSIR
Refrigerant R12
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Relay model X 419RHBYY-52 427THBYY-52 X 213THBYY-52 197SHBYY-52 X 213THBYY-52
Part code X 3018105673 3018105690 X 3018105651 3018104102 X 3018105651
Refrigerant R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Relay model X 445RHBZZ-52 445RHBZZ-52 X 276THBYY-52 X 276THBYY-52
Part code X 3018101601 3018101600 X 3018105031 X 3018109901 3018105031
Refrigerant R12Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50HzSpec. X 300V/7µF X 350V/5µF X 350V/5µF
Part code X 3816800400 X 400EL15110 X 400EL15110
Refrigerant R134aVoltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50HzSpec. X 300V/7µF X X X X X
Part code X 3816800400 X X X X X
10
4. STARTING CAPACITOR
5. F-FAN MOTOR
6. R-FAN MOTOR
7. 1) FR-540N
DEFROST HEATER FR-540NT
8. LAMP ASSEMBLY
Refrigerant R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 200V/100µF X X X 290V/50uF X
Part code X 401RD35050 X X X 4124G62052 X
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 3211DWBFN 3211DWBFN X 3211DWBFR 3211DWBFJ 3211DWBFT
Part code X 3011800840 3010027140 X 3011800930 3015902500 3011801020
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 3211DWBFM 3211DWBFU X 3211DWBFQ 3211DWBFE 3211DWBFS
Part code X 3011800850 3011801000 X 3010027220 3015902600 3011801030
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 148W X 148W
Part code X 3012801300 X 3012801000
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 148W X 148W X X 148W
Part code X 3012801300 X 3012801600 X X 3012801600
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 15W X X 15W
Part code X 3013600010 X X 3013600000
Refrigerant R12
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 200V/100µF X X X X X
Part code X 401RD35050 X X X X X
11
4. STARTING CAPACITOR
5. F-FAN MOTOR
6. R-FAN MOTOR
7. 1) FR-540N
DEFROST HEATER FR-540NT
8. LAMP ASSEMBLY
Refrigerant R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 200V/100µF X X X 290V/50uF X
Part code X 401RD35050 X X X 4124G62052 X
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 3211DWBFN 3211DWBFN X 3211DWBFR 3211DWBFJ 3211DWBFT
Part code X 3011800840 3010027140 X 3011800930 3015902500 3011801020
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 3211DWBFM 3211DWBFU X 3211DWBFQ 3211DWBFE 3211DWBFS
Part code X 3011800850 3011801000 X 3010027220 3015902600 3011801030
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 148W X 148W
Part code X 3012801300 X 3012801000
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 148W X 148W X X 148W
Part code X 3012801300 X 3012801600 X X 3012801600
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 15W X X 15W
Part code X 3013600010 X X 3013600000
Refrigerant R12
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X 200V/100µF X X X X X
Part code X 401RD35050 X X X X X
11
9.
1) FR-540N
PCB TRANSFORMER FR-540NT
10.
1) FR-540N
MAIN PCB ASSEMBLY FR-540NT
11. DRYER
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Part code X 5EPK057700 X X 5EPK057609 5EPK042000 5EPK057030 5EPK057630
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Part code X 5EPK057613 X X 5EPK057612 X X 5EPK048030
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X N803 X X N803
Part code X 3014303620 X X 3014302540
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X N804 X X N804 X X N804
Part code X 3014304210 X X 3014304120 X X 3014304120
Refrigerant R12 R134a
Spec. 10 g 15 g
Part code 3016800103 3016801100
13
9.
1) FR-540N
PCB TRANSFORMER FR-540NT
10.
1) FR-540N
MAIN PCB ASSEMBLY FR-540NT
11. DRYER
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Part code X 5EPK057700 X X 5EPK057609 5EPK042000 5EPK057030 5EPK057630
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Part code X 5EPK057613 X X 5EPK057612 X X 5EPK048030
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X N803 X X N803
Part code X 3014303620 X X 3014302540
Refrigerant R12, R134a
Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec. X N804 X X N804 X X N804
Part code X 3014304210 X X 3014304120 X X 3014304120
Refrigerant R12 R134a
Spec. 10 g 15 g
Part code 3016800103 3016801100
14
POWER CORD SPECIFICATION
NO SHAPE OF POWER CODE PART CODE DESCRIPTION REMARK
1 3011315000 CP-2PIN FOR EUROPEAN COUNTRY
2 401RA17200 CP-2PIN FOR OTHER COUNTRY
3 4006D17101 KP-30 FOR AMERICA
4 401PD17101 KP-211 FOR JAPAN & TAIWAN
5 3011300801 BP-3PIN
6 3011303010 #267 FOR CHILE
7 3011315310 FOR ISRAEL
8 3011303050 BS-1363A FOR U.K, MIDDLE ASIASINGAPORE & MALAYSIA
9 3011301200 KP-551/550 FOR CHINA & AUSTRALIA
* Upper power cord’s part code is only for lead wire, without any kinds of terminal or housing.
15
9.
1. FR-540N
1. ASSEMBLY URETHAN FREEZER DOOR
2. ASSEMBLY URETHAN REFRIGERATOR DOOR
Refrigerant R12 R134a
Key type Dull lamina High glossyNormal PCM
High glossy Dull lamina High glossyNormal PCM
High glossy
sheet lamina sheet bright PCM sheet lamina sheet bright PCM
Part code X PFDT1UJ110 X X X PFDT1UJ115 X X
Refrigerant R12 R134a
Color type Dull lamina High glossyNormal PCM
High glossy Dull lamina High glossyNormal PCM
High glossy
sheet lamina sheet bright PCM sheet lamina sheet bright PCM
Part code X PFDU2UJ110 X X X PFDU2UJ115 X X
2. DOOR COLOR SPECIFICATION FR-540NT
1. ASSEMBLY URETHAN FREEZER DOOR
2. ASSEMBLY URETHAN REFRIGERATOR DOOR
Refrigerant R12 R134a
Color type Dull lamina High glossyNormal PCM
High glossy Dull lamina High glossyNormal PCM
High glossy
sheet lamina sheet bright PCM sheet lamina sheet bright PCM
Part code X PFDT1UJ070 X X X PFDT1UJ075 X X
Refrigerant R12 R134a
Color type Dull lamina High glossyNormal PCM
High glossy Dull lamina High glossyNormal PCM
High glossy
sheet lamina sheet bright PCM sheet lamina sheet bright PCM
Part code X PFDU2UJ070 X X X PFDU2UJ075 X X
16
COLOR TABLE
1. PCM type
NO COLOR CHIP COLOR NAME
1 P/WITH (WH069)
2 '94 L/GRAY (GY158)
3 '95 L/GRAY (GY259)
4 '94 M/GRAY (GY331)
5 '95 M/GRAY (GY335)
6 '97 M/GRAY (GY267)
7 M. D/GRAY (GY750)
8 N/BLUE (BL718)
9 MINT GREEN (GN206)
10 '97 BEIGE (BE215)
17
2. Lamina sheet type
NO COLOR CHIP COLOR NAME
1 P/WITH (WH069)
2 '94 L/GRAY (GY158)
3 '95 L/GRAY (GY259)
4 '94 M/GRAY (GY331)
5 '95 M/GRAY (GY335)
6 '97 M/GRAY (GY267)
7 M. D/GRAY (GY750)
8 N/BLUE (BL718)
9 MINT GREEN (GN206)
10 S/GOLD
11 G/GREEN
18
2. FR-540NT1.Exploded view
19
2. Parts list
NO PART CODE PART NAME DESCRIPTION QUANTITY REMARK
1 CAB URT AS 1
2 3012900600 HINGE *U AS 1
3 3012900620 HINGE *M AS D/C 1
4 3012900500 HINGE *T AS 1
5 3011405400 COVER HINGE *T PP 1
6 3018100010 DOOR S/W 2 BUTTON 4PIN 1
7 3010010900 FOOT ADJ AS 2
8 M-PCB AS 1 REFER TO # 11
9 DOWN TRANS 1 REFER TO # 11
10 CAPACITOR 1 REFER TO # 9
11 3010504200 BOX M-PCB AS 1
11-1 3011410000 COVER M-PCB BOX AS 1
12 P-RELAY AS 1 REFER TO # 9
14 COMPRESSOR 1 REFER TO # 9
15 3010100201 ABSORBER COMP NR H=40 4
16 4019H09030 WASHER SPECL SWRH 4
17 3010508400 ICE BOX AS 1
18 3011102300 CASE CHILD GPPS T3.5 1
19 3010302512 BASE COMP AS 1
20 3014502304 PLATE AUX CON AS 1
21 3010604802 BRACKT ADJFT *L 1
22 3010604902 BRACKT ADJFT *R 1
23 4010G30661 BOILD PP T1.3 1
24 3011400600 COVER CAB-BRAK 1
25 3010507410 BOX VEGTB *R GPPS 1
26 3011705620 CHILD DR SAN 1
27 3017000701 EVAPORATIOR AS 1
28 3017200010 FUSE TEMP AS SW-103T 77˚C 10A 1
29 3014801201 SENSOR F-D AS PTC-KB38-FD6 AB TYPE 1
30 GLASS TUBE HTR AS 1 REFER TO # 10
31 F FAN MOTOR AS 1
31-1 MOTOR FAN F 1 REFER TO # 10
31-2 3011800400 FAN ABS Ø 110 1
32 R FAN MOTOR AS 1
32-1 3011800400 MOTOR FAN R 1 REFER TO # 10
32-2 3011800400 FAN ABS Ø 110 1
33 3013312910 INSU F LOUVER AS F-PS 1
34 3018904000 LOUVER F AS 1
35 3011406600 ASSY F M/F DUCT 1
35-1 LAMP AS 1 REFER TO # 10
36 3017806800 SHELF R SAN 2
20
NO PART CODE PART NAME DESCRIPTION QUANTITY REMARK
37 3011420010 COVER VEGTB BOX AS CV+F+KNOB+NAMP 1
38 3017804700 SHADE F 1
40 3010029791 CHILD DUCT AS 1
41 3014504600 PLT VEGTB BOX-DV 1
42 3018901902 LOUVER R SIDE *L AS ABS+CERAMIC 1
42-1 3018901911 LOUVER R SIDE *R AS ABS+CERAMIC 1
43 3014801001 R1 SENSOR AS NBM-K43-D12 PBN-43 1
45 3010507400 BOX VEGTB *L GPPS 1
46 3012400502 GRILLE PP 1
47 F DOOR URT AS 1 REFER TO # 13
48 3017404300 LINER *F DOOR ABS 1.4T 1
49 3012303000 GASKET F DOOR PVC-S 1
50 3019002100 POCKET F *T GPPS T3.0 1
50-1 3019002200 POCKET F*U GPPS T3.0 1
51 3017901311 SOCKET R LAMP AS AC 250V 1A 2
51-1 LAMP AS 2 REFER TO # 10
52 3014201420 CONTROL PANEL *F AS 1
52-1 3014304220 F-PCB AS 1
53 R DOOR URT AS 1 REFER TO # 13
54 3017404400 LINER R DOOR ABS 1.4T 1
55 3012303100 GASKET R DOOR PVC-S 1
56 3019002000 POCKET MULTI GPPS T3.0 2
57 3019000200 POCKET R L SAN 1
58 3015501200 R WINDOW SAN 1
59 3019002600 POCKET BOTTLE *B GPPS T3.0 1
60 3011103900 CASE EGG GP 2
61 3017804700 F SHELF 1
62 3012500510 GUIDE ICING CASE SAN HF-5661 1
63 3011102100 CASE ICING PP 2
64 CORD POWER AS 1 REFER TO # 12
65 DRYER ASS 1 REFER TO # 11
21
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
• When the FUZZY button is pressed, both“BAR LED” are blinking in a row
• “FUZZY” LED comes “ON”.• When the FUZZY button is pressed again,
FUZZY function is canceled.• LED of freezing and refrigerating go “OFF”.
• When the quick freezing button is pressed,BAR LED of freezing is blinked 3 times in arow.
• LED of freezing goes off.• “Quick” LED comes “ON”.
1. One time1) Freezer room temperature control function. 2) Adjust temperature with ,
2. Two times1) Refrigerature room temperature control function2) Adjust temperature with ,
3. Three times1) HOUR control function.2) Adjust hour with ,
4. Four times1) MINUTE control function.2) Adjust minute with ,
5. Five times1) Adjust finished.2) Retrun to normal status.
• When the quick refrigeration button ispressed, BAR LED of freezing is blinked 3times in a row.
• LED of freezing goes off.• “Quick” LED comes “ON”.
ELECTRONIC FUNCTION FR-540NT
1) How to use the panel
22
NO.Control Control
Contents RemarkFunction Objects
1 Clook LEDfunction
2 Freezer COMP.temperature F-fancontrol LED
3 fridge COMP.temperature R-fancontrol LED
1. The time is set at 12:00 in initial operation
2. Time setting
1) When the temperature/time set button is pressed 3 times,Hour blinks.
2) Adjust HOUR with , button.
3) When the temperature/time set button is pressed 4 times,MIN blinks
4) Adjust MIN with , button.
1. When press the temperature/time control button, freezertemperature range blinks. Then can control freezer temperturewith , button.
2. COMP. on/off temperature(Tempterature ûC/Resistance k? )
3. Bar LED is not related with on/off point.
4. If push the temperature/time control button in fuzzy mode,then fuzzy mode is canceled.
1. When press the temperature/time control button, fridgetemperature range blinks. Then can control fridge temperaturewith , button.
2. Main sensor of fridge room is R1-sensor.
3. R2-sensor is used for preventing low cooling.
4. R-fan on/off temperature(Temperature ûCResistance k? )
2) Function table
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
21 E.F E.R 1
2
Q.F3 3
Q.R
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
COMP. on
COMP. off
E.F
-17.5/19.4
-22.5/25.7
1 (low)
-18.5/20.6
-23.5/27.2
2 (mid)
-19.5/21.7
-24.5/28.8
3 (high)
-21.5/24.3
-26.5/32.3
R-fan on
R-fan off
E.R
1.35/28.4
1.0/28.7
1 (low)
0.35/29.7
0.0/30.0
2 (mid)
-0.65/30.9
-1.0/31.4
3 (high)
-2.65/33.8
-3.0/34.3
23
NO.Control Control
Contents RemarkFunction Objects
4 Quick COMP.freezing F-fan
LED
5 Quick COMP.fidge R-fan
LED
5. When the low cooling is detected, COMP. goes on regardlessof F-sensor.
6. When the fridge temperature goes R-fan off point, COMP. iscontrolled by F-sensor and R-fan goes off.
7. Low cooling is detected by R1-sensor or R2-sensor, itscancellation can be done by R1-sensor only.
8. Bar LED is not related with on/off point.
9. If push the temperature/time control button in fuzzy mode,then fuzzy mode is canceled.
1. When the quick freezing button is pressed, it becomes quickfreezing mode.
2. The quick freezing mode works for 150 min.
3. The quick freezing time shows for 5 sec.
4. COMP. and F-fan go on regardless of F-sensor during the quickfreezing mode.
5. The quick freezing mode is operative even in fuzzy mode.
1. When the quick fridge button is pressed, it becomes quickfridge mode.
2. The quick fridge mode works for 40 min.
3. The quick fridge time shows for 5 sec.
4. COMP. and R-fan are on until R1-sensor detects over coolingtemperature (-7˚C).
5. The quick fridge mode is operative even in fuzzy mode.
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
low ON pointlow OFF point
High ON pointHigh OFF point
Overcoolingpoint
Quick START Quick ENDCOMP is
controlled by R1-sensor
Refrigerating room "High"
operation
24
NO.Control Control
Contents RemarkFunction Objects
6 Fuzzy COMP.R-fanF-fanLED
7 Determinationdefrost
1. When press the fuzzy button, predictable cooling of freezerand fridge room is started.
2. How to predict freezer and fridge room temperature.
1) Checking accumulated door open time every 2 hours.
2) Decision of open door frequency is as follow• Above 30 sec. : Door is opened frequently. (1)• Below 30 sec. : Door is not opened frequently. (0)
3) Decision of data is for 8 days.• If the accumulated open door time of 30 sec. is more
than 6 times for 8 days, then data decision will be high.• If RT-sensor<14˚C, it is operated mid instead of high.
4) Example
1. Necessary condition of determination defrost
1) COMP. operation accumulation time (6, 9, 12, 15 hours)
2) COMP. operation ratio (COMP. accumulation time is dividedby 3 hours)
3) Door open accumulation time.
4) Total time (COMP. on time+COMP. off time) is 60 hours.
5) Outside temperature is above 35˚C.
6) Various error• D-sensor error• F-sensor error• RT-sensor error• Door switch error
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
Hour 2 4 6 8 10 12 14 16 18 20 22 24Date
1 1 0 1 1 1 0 0 0 1 1 0 1
2 0 0 1 1 1 0 0 0 0 1 0 1
3 0 0 1 1 1 0 0 1 1 0 1 0
4 0 1 1 1 0 1 1 1 1 1 0 0
5 0 0 0 0 1 0 0 1 1 1 1 0
6 1 0 1 1 0 0 0 1 0 1 0 1
7 0 1 1 1 0 0 1 1 1 0 1 0
8 1 0 1 1 1 0 0 1 1 1 1 1
Frequency 3 2 7 7 5 1 2 6 6 6 4 4
Data decision M M H H M M M H H H M M
25
NO.Control Control
Contents RemarkFunction Objects
8 Defrost COMP.mode F-fan
R-fanHeater
2. Description
1) It enters into the defrost mode at 15 hours unconditionally.
2) It enters into the defrost mode at 6, 9, 12 hoursconditionally.
3) Flow chart of determination defrost mode.
1. Pre-cool step
1) Time : 50 min.
2) COMP. and F-fan are on.
3) R-fan controls normally with temperature 1˚C higher thanthe off point which controlles R-fan in normal status.
Start 3 6 9 12 15(COMP. on accumulation time)
Entering into defrosting mode
YES
YES
YES
NO
YES
YES
YES
YES
Start
End
TOTALDoes the time elapse for 3 hours?
NO
COMPDoes the operation time elapse for 15 hours?
NO
NO
COMPDoes the operation time elapse for 60 hours?
YES
COMPDoes the operation time elapse for 6 hours?
NO
Are various errors occurred?
NO
Is RT greater than 35˚C?
NO
Is the COMP operation rate greater than 80%?
NO
Does the DOOR OPEN accumulationtime elapse for 10 minutes?
26
NO.Control Control
Contents RemarkFunction Objects
9 Testing COMP.device F-fan
R-fanHeaterLED
4) If the F-sensor -27˚C even the time elapsed is less than 50min., the Pre-cool step goes off.
2. D-heater+R-fan defrost
1) D-heater and R-fan are on.
2) When D-sensor is higher than 2˚C, R-fan goes off, and D-heater stays on contionously.
3) When D-sensor is higher than 10˚C, D-heater goes off.
4) Total limit time is 88 min.
5) If D-sensor is error, R-fan goes off and D-heater is on for 35min.
3. Pause
1) Time : 4 min.
2) All devices are off.
4. F-fan delay
1) Time : 8 min.
2) Only COMP. and R-fan are on.
5. R-fan delay
1) Time : 10 min.
2) Only COMP. and F-fan are on.
6. Output control of each step and time limit.
1. If press SW01 on M-PCB, the electric devices become on inorder as follows.
COMP. Heater Pause F-fan R-fan COMP.
2. At this time, all the custom LED become on.
3. Automatic return time is 1 min.
Heater Heater F-fan R-fanPre-cool +R-fan defrost pause delay delay
defrost
COMP. on off off off on on
F-fan on off off off off on
R-fan controlled on off off on off
Heater off on on off off off
Time 1) 80 min.
limit 50 min. 2) 35 min. in case of 4 min. 8 min. 10 min.D-sensor error
27
NO.Control Control
Contents RemarkFunction Objects
10 Electric Door S/Wdevice COMP.delay F-fan
R-fan
11 Demo COMP.function R-fan
F-fanDoor S/W
12 Delivery COMP.function F-fan
R-fanLED
1. F-fan on or off time is delayed, when COMP. is on or off.
2. F-fan and R-fan on or off time is delayed, when door switch ison or off.
1. If CN10 terminal on M-PCB is shorted, all electric devices gooff except F-fan, R-fan.
2. Fan control
3. F-PCB indicates the normal status and fuzzy status alternatelyin 15 sec. intervals.
1. If press the quick freezing and quick refrigerating button for 3sec. after power on, then delivery function will start.
1MIN. 1MIN.
0.5SEC
OPEN
0.5SEC
ON
ON
COMP
F-FANOFF
OFF
CLOSE
ON
ON
DOOR S/W
OFF F-FAN
OFF R-FAN
Normal status Demo status
F-fan : off F-fan : onDoor open
R-fan : off R-fan : on
F-fan : on F-fan : offDoor close
R-fan : on R-fan : off
Normal status
Fuzzy status
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
28
NO.Control Control
Contents RemarkFunction Objects
13 Power COMP.failure Clockback-upfunction
14 COMP. COMP.restartprevent
15 Buzzer Buzzerfunction
16 First COMP.defrost F-fan
R-fanHeater
17 Forced COMP.defrost F-fan
R-fanHeater
18 AdjustR1-sensoroff point
2. The electric devices are off for 2 hours in delivery function.
3. The custom LED is on normally.
1. M-PCB reserves all functions for 3 hours after power failure.
2. Time running in power failure is as follow.
1) Clock
2) Preventing COMP. restarting
3) Pause time during defrosting
1. After COMP. is off, the COMP. is not on even though the F-sensor is at on point for 6 min.
1. Alarm buzzes 3 sec. after initial power on.
2. Alarm buzzes whenever each switch in F-PCB is pressed.
3. If the door is opened for more than 1 min., chirpy sound alarmbuzzes.
4. If adjust temperature, the fuzzy button will be not operativeand the buzzer will be off.
1. When power is loaded for the first time, it enters into defrostmode if D-sensor 3.5˚C. (Defrost mode starts from Pre-coolstep.)
1. Press the fuzzy button 5 times, when press temperature/timecontrol button. After that can enter the forced defrost mode.
2. Forced defrost mode.
1) The Pre-cool step is omitted.
2) Start from heater+R-fan defrost.
3. After forced defrost, the normal defrost is enabled in 15 hoursof accumulated COMP. on time.
1. When the temperature in fridge room is low (Low temperatureeven though R-fan and COMP. are operating properly),following functions are operating for easy after service.
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
29
NO.Control Control
Contents RemarkFunction Objects
19 Error LEDdisplay R-fan
1) R1 : Off point determination innormal operation
R2 : Decreases off pointdetermination
J1 : If remove J1, the off point willbe decreased.
2) Resistance valueR1 : 31. 4 kΩR2 : 2.15 kΩ
3) Off point temperature
1. Press the fuzzy button 3 times, when press the quick freezingand the quick refrigerating button. After that error mode.
2. If press the temperature/time control button, then will changethe status on custom LED.
R1-sensor temperature F-sensor temperature D-sensortemperature Error code (If there is no error, then error codewill not occur.)
3. All error code will be reset, if they become normal.
4. Error code is refered to 3) Self-diagnosis table.
J1R2
R1
R1-SENSOR
Off point temperature
J1 shorted -1.0˚C
J1 opened -2.5˚C
FUZZYTEMP
TIME SETQUICK
FREEZINGQUICK
REFRIGERATION
FUZZY SURROUND CLEAN
FRZ. REF.
Q.F3
21 E.F E.R 1
23
Q.R
30
ErrorDefect function Check method
mode
F 1 F-sensor
R 1 R1-sensor
R 2 R2-sensor
D 1 D-sensor
RT RT-sensor
D 0 Door switch
C 1 Cooling cycle (check after first defrost mode)
F 3 Heater
3) Self-diagnosis table
If both R1 and R2-sensor are out of order, then RT-sensor control R-fan.- Room temperature ≤ 14˚C : R-fan is off- Room temperature ≥ 26˚C : R-fan is on for 15 minutes, R-fan is off for 5 minutes- 14˚C < Room temperature < 26˚C : R-fan is on for 2 minutes, R-fan is off for 18 minutes
- Compressor & F-fan is on for 24 minutes.
- Compressor & F-fan is off for 16 minutes.
- Regarded by R2-sensor.
- Detecting weak cooling is impossible.
- Heater is on only for 35 minutes.
- Natural defrost for 80 minutes.
4) Circuit and wiring diagram
31
18 17 16 15 14 13 12 11 1001 02 03 04 05 06 07 08 GND
11 12 13 14 15 16 17 18 VCC1 2 3 4 5 6 7 8 9
16 15 14 13 12 11 10 9
COM 04 14HEAT SINK
& GND
HEAT SINK& GND
13 03 COM
1 2 3 4 5 6 7 8VCC 01 11 12 02 VCC
16 15 14 13 12 11 10 901 02 03 04 05 06 07 COM
11 12 13 14 15 16 17 GND1 2 3 4 5 6 7 8
7805
7806
7812
R05
R07
R06
R01
R04
R02
R03
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IC04
IC05
1 2 3 4 5 6 7
C02
0.1 µFC01IC01
TD62308BPIC02
TD62308BP
D01 D04 D02 D03
X4
X6
X7 X5
X2X1
X0
X3
SW1 SW4 SW2 SW3
Set FR Fuzzy
TC
4051
BA
R11
R10
R09
7805
6 3 14 11 9 16 1 8
7 2 15 10 4 5 12 13
14 3 6 11 9 16 1 8
15 2 7 10 4 5 12 13
a1
b1
c1
d1
e1
f1
g1
a2
b2
c2
d2
e2
f2
g2
a3
b3
c3
d3
e3
f3
g3
F E.F
R Cold
R
F Cold
E.R
Fuzzy
Q.R
F Warm
R Mid
R Q.F
F Mid
R Warm
:
Q.F
BAR
BAR
BAR BAR
BAR
BAR WarmBAR
MidBAR
R Mid
R Warm
F Q.F
F
R
R
:
8
9
10
11
12
13
14
Surround
RE.R
FE.FBAR
RE.RBAR
RE.R
Deodorant
FCold
CO
MP
D-H
TR
C-F
AN
F-F
AN
R-F
AN
5V
CN01 CN08
IC03
3
4
5
6
2
1
7
8
9
10
11
12
13
R01
R02
R03
R05
CC12
W-
BR
WB
BR
W
W-R
GR
G
V
B
Y
O
R
BK
R06
R07
R08
R09
R10
R11
R12
R13
9
10
11
12
13
14
15
16
17
40
41
18
19
20
21
4
3
2
1
DATA
DATA
DATA
DATA
DATA
DATA
DATA
DATA
10
17
16
15
14
13
12
11
18
9
2
3
4
5
6
7
8
1
SCAN A
SCAN B
SCAN C
KEY INPUT
5
6
7
8R04
VDD
F-S
D-S
R1-S
R2-S
RT-S
A/D 2
A/D 1
A/D 0
VAREF
FREQCHECK
BUZZERCOMPHTR
C-FANF-FANR-FAN
DOOR S/WCHECK
TEST
XTIN(32.768KHz)
XTOUT
RESET
XIN(8MHz)
XOUT
VSS
LEDTEST KEY
KEY
DEMO S/W
POWER OFFCHECK
TMP87CH46N
BZI34
38
37
36
35
33
32
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IC07
R46
R45
CN05
R49750ohm IC08
IC044
3
PC817
1
2
M-PCB42
30
29
28
26
CC15
CC19
CC20
CC21
CC22
CE11
CE04
CE05
R39
R36
CE06
CE08
R17
R40
+
+
+
+
+
+
R4125.7K
R3731.4K
Jump optionR472.15KR38
30.1K
CC21
R34
CE07+ R22
29.4KRT-SENSOR
R2215K
CC17
0.1uF
BD1
CE01
CC01IC03
CC06 D4 IN4002
5.4V
R26
CE030.1F 5.5V
100 OHM 1N4002
CC04
IC06D1 CC02
IC05
5V
CC05 CC03
39
25 R16
R2323.2K
R2431.4K
CC24
R1524
CC25
23
22
CC26
CC27
R14
R1941.1K
R1831.4K
R2119.5K
R2030.1K
CE09
31 R25
4.7KC09
R27R44
R48
4.7K
ULN
2004
A
CC18
D3
1N5399
1N4002
D2
R43
47KR42
47K
SN3
23
11
9
VAR2
RY3
RY2
VE12HM5K
VE12HM5K
F-FAN
C-FAN
70+/-5C
FU
SE 1
.5A
G
FUSETEMP
DEFORSTHEATER
CN03
VS-12MB
RY1
BR
BR
BR
BR
R
S/C
R/C
CN02
BK
Y
B
R-FAN
V
BK
CN01
S/WDOOR
CN04
BL
GR
3 1
BK
WH
ROOM
BK
R FLAMP
BL 4 RED 2
P-RELAY
COMP
SN1
SN2
VAR1
FUSE 1.5A
PCB TRANS220V ACPOWER CORD
BK WH
YWGR
WH
GR
CN07
BL
CN06
OR F-SENSOR
D-SENSOR
R1-SENSOR
R2-SENSOR
+
+
RE1
RE2
CE10R13 +
CE021000µF
+
S8053
CC17
20PF
CC16
20PFIC02
CC08
R31
CC14
R33 R30
CC13
R28
CC11
CC10
CN10
JUMPER
R29
SW02
R32
SW01
TD
6278
3AP
CONTROL INPUTS* TD62783AP (DARLINGTON DRIVER)TC4051BP(MULTIPLEX)
* TD62308BP (LOW INPUT ACTIVE 1.5A DRIVER)
* TEST JIG
* ULN2004A
INHIBITLLLLLLLLH
ON CHANNEL0:13 PIN1:14 PIN2:15 PIN3:12 PIN4:1 PIN5:5 PIN6:2 PIN7:4 PINDON'T CARE
CLLLLHHHH
*
BLLHHLLHH
*
ALHLHLHLH
*
R23 R24 ˚Copen jump 3˚C
OK OK 5˚Cjump jump 7˚C
F-PCB