lassele LRT-23H User manual

Commercial
Upright Refrigerator & Freezer
Service Manual

TABLE OF CONTENS
1. SPECIFICATIONS ……………………………………………… 4~6
2. PARTS …………………………………………………………… 7~44
3. WIRING DIAGRAM …………………………………………… 45~47
4. MAIN COMPONENTS ………………………………………….48~62
5. ELECTRONIC CONTROL INSTRUCTIONS ……………… 63~85
6. PART LIST ……………………………………………………… 86~89

Safety cautions during service
ㆍWhen exchanging or repairing electric parts, pull the plug out before
exchanging and repairing.
ㆍWhen exchanging electric parts, use a rating part.
- Be sure to check marks such as MODEL name, rating voltage,
rating currents, movement temperature etc.
ㆍDuring repairing, make sure wirings such as Harness, wire joint are
sturdy so that it is free of danger due to disclosure of core wire.
- Don’t let it derail when certain strength is put on.
ㆍWhen repairing, take out the dust or foreign body (Housing part, wiring part,
contact point part).
- It prevents danger of fire such as TRACKING, SHORT.
ㆍCheck whether water has gone into the electric parts.
- When there are traces of water, exchange the parts or enact the TRACKING
prevention device.
ㆍAfter repairing, check the assembly status of the parts.
- Keep the status as it was before the repairing. .
ㆍAfter checking the usage environment of the product and if the installation is
unstable, change the usage location.
- For installations in places with moisture, water and for heat devices, prevent
placing products near igniting materials etc.
ㆍWhen earthing is needed, earth it.
- For cases when electric leakage is concerned due to moisture or water,
be sure to earth it.
ㆍFor products that consumes power such as electric products, make sure
numerous plugs are not used in a single outlet.

1. Specifications
A. Dimensions
1. LRT-771H,LFT-771H

2. LRT-1471H,LFT-1471H

3. LRT-72H,LFT-72H

2. PART
A. MainAssembly
a. LRT-771H
NO.
Model Code
Description
Qty
Material
Spec
B
R7439-440
Compressor
1
-
SK1A1B-L2W (220V 60HZ)
B1
Z394A-810
Screw Machine-Comp
(Samsung)
4
-
MSWR ¢9 M6X43 ZPY
B2
R300A-030
Grommet Comp
4
EPDM
EPDM HS 48±2% BLDC COMP 용
C
R814B-520
Assy Cabi Pre
1
-
LRT-771H
D
R818A-840
Top Grill As T23H
1
STS430 #4
LRT-771H
E
R858A-710
Ass’y Control Box
1
-
T23F (220V/60HZ)
F
R817C-060
Assy Door Rh_Low
1
STS430 #4
TM HALF DOOR
G
R817C-070
Assy Door Rh_Upp
1

b. LFT-771H
NO.
Model Code
Description
Qty
Material
Spec
B
R714A-030
Compressor
1
-
SC12CLX2 220V/50/60HZ
B1
Z394A-820
Screw Machine-Comp
(Danfos)
4
-
MSWR ¢8 M6X31 ZPY
B2
R300A-050
Grommet Comp (Danfos)
4
-
NBR HS 40-45
C
R814B-530
Assy Cabi Pre
1
-
LFT-771H
D
R818A-840
Top Grill As T23H
1
STS430 #4
LRT-771H
E
R858A-710
Ass’y Control Box
1
-
T23F (220V/60HZ)
F
R817C-060
Assy Door Rh_Low
1
STS430 #4
TM HALF DOOR
G
R817C-070
Assy Door Rh_Upp
1

c. LRT-1471H
NO.
Model Code
Description
Qty
Material
Spec
B
R7439-440
Compressor
1
-
SK1A1B-L2W (220V 60HZ)
B1
Z394A-810
Screw Machine-Comp
(Samsung)
4
-
MSWR ¢9 M6X43 ZPY
B2
R300A-030
Grommet Comp
4
EPDM
EPDM HS 48±2% BLDC COMP 용
C
R814B-540
Assy Cabi Pre
1
-
LRT-1471H
D
R818A-850
Top Grill As T49H
1
STS430 #4
LRT/LFT-1471H
E
R829B-790
Ass’y Control Box
1
-
LRT-1471H 220V/60Hz
F
R817C-090
Assy Door Lf_Low
1
STS430 #4
TM HALF DOOR
G
R817C-080
Assy Door Lf_Upp
1
H
R817C-060
Assy Door Rh_Upp
1
I
R817C-070
Assy Door Rh_Low
1

d. LFT-1471H
NO.
Model Code
Description
Qty
Material
Spec
B
R7439-560
Compressor
1
-
SC18CLX.2 208~230V60HZ
B1
Z394A-820
Screw Machine-Comp
(Danfos)
4
-
MSWR ¢8 M6X31 ZPY
B2
R300A-050
Grommet Comp
4
-
NBR HS 40-45
C
R814B-550
Assy Cabi Pre
1
-
LFT-1471H
D
R818A-850
Top Grill As T49H
1
STS430 #4
LRT/LFT-1471H
E
R829B-800
Ass’y Control Box
1
-
LFT-1471H 220V/60Hz
F
R817C-090
Assy Door Lf_Low
1
STS430 #4
TM HALF DOOR
G
R817C-080
Assy Door Lf_Upp
1
H
R817C-060
Assy Door Rh_Upp
1
I
R817C-070
Assy Door Rh_Low
1

e. LRT-72H
NO.
Model Code
Description
Qty
Material
Spec
B
R714A-150
Compressor
1
-
SC18G 220V 50/60Hz
B1
Z394A-820
Screw Machine-Comp
(Danfos)
4
-
MSWR ¢8 M6X31 ZPY
B2
R300A-050
Grommet Comp
4
-
NBR HS 40-45
C
R814B-560
Assy Cabi Pre
1
-
LRT-72H
D
R818A-860
Top Grill As T72H
1
STS430 #4
LRT/LFT-72H
E
R829B-770
Ass’y Control Box
1
-
TH HALF DOOR 72R
F
R817C-090
Assy Door Lf_Low
1
STS430 #4
TM HALF DOOR
G
H
R817C-080
Assy Door Lf_Upp
1
R817C-060
Assy Door Rh_Upp
2
I
R817C-070
Assy Door Rh_Low
2

f. LFT-72H
NO.
Model Code
Description
Qty
Material
Spec
B
R714A-020
Compressor
1
-
GS26CLX 220V/60HZ
B1
Z394A-810
Screw Machine-Comp
(Samsung)
4
-
MSWR ¢9 M6X43 ZPY
B2
R300A-030
Grommet Comp
4
EPDM
EPDM HS 48±2% BLDC
COMP 용
C
R814B-570
Assy Cabi Pre
1
-
LFT-72H
D
R818A-860
Top Grill As T72H
1
STS430 #4
LRT/LFT-72H
E
R829B-780
Ass’y Control Box
1
-
LFT-72H 220V 50/60Hz
F
R817C-090
Assy Door Lf_Low
1
STS430 #4
TM HALF DOOR
G
R817C-080
Assy Door Lf_Upp
1
H
R817C-060
Assy Door Rh_Upp
2
I
R817C-070
Assy Door Rh_Low
2

B. Assembly Uint
a. LRT-771H
NO.
Model Code
Description
Qty
Material
Spec
1
R2113-981
Pipe Connect Dryer
1
Cu
OD4.76*T0.7*L220
2
R2183-032
Dryer
1
Cu
R-134a, 36G
3
R8603-833
PIPE SUCTION T23R
1
Cu
Φ3.0XΦ1.4X3100
4
R319A-460
Pipe Cond Outlet
1
Cu
OD4.76*T0.7*340
5
R319A-470
Pipe Dryer Inlet
1
Cu
OD4.76*T0.7*L506.5
6
R2104-610
Tube Vaccum
1
Cu
T0.6*¢6.35*L=120
7
R858C-420
As Condenser
1
SWST
Φ4.76*13,190
8
R3723-070
Condenser Fan Motor Blade
1
AL
9" CW
9
R7423-070
Condenser Fan Motor
1
-
220V 50~60Hz. 9W. CCW.
10
R315A-050
Bracket C-Fan Motor
1
GI
T2
11
R3813-791
Fan Cover Wire
1
MSWR10
Φ2.5
G1
R7519-070
Overload Protector
1
-
4TM795TFB-53
G2
R7539-110
Posistor
1
-
220M
G3
R3813-900
Cover Relay
1
-
HOOK TYPE, S

b. LFT-771H
NO.
Model Code
Description
Qty
Material
Spec
1
R2113-992
Pipe Discharge
1
Cu
OD6.35*T0.7*L650
2
R2113-981
Pipe Connect Dryer
1
Cu
Φ4.76*T0.7*L220
3
R2183-032
Dryer Ass’y
1
Cu
R-134a, 36G
4
R8603-824
Ass'y Suction Pipe TM23F
1
Cu
CAPI OD3.0XID1.4X4800
5
R319A-460
Pipe Cond Outlet
1
Cu
OD4.76*T0.7*340
6
R319A-470
Pipe Dryer Inlet
1
Cu
OD4.76*T0.7*L506.5
7
R2104-610
Tube Vaccum
1
Cu
T0.6*¢6.35*L=120
8
R858C-420
As Condenser
1
SWST
Φ4.76*13,190
9
R3723-070
Condenser Fan Motor
Blade
1
AL
9" CW
10
R7423-070
Condenser Fan Motor
1
-
220V 50~60Hz. 9W. CCW.
11
R315A-050
Bracket C-Fan Motor
1
GI
T2
12
R3813-791
Fan Cover Wire
1
MSWR10
Φ2.5
a2
R730A-010
Starting Relay
1
-
SC12CLX2. 117U6020
-
R325A-670
Cover
1
-
103N2008
-
R746A-050
Starting Capacitor 240uF
1
-
117U5023
-
R750A-010
Cord Relief
1
103N1004

c. LRT-1471H
NO.
Model Code
Description
Qty
Material
Spec
1
R319A-240
Pipe Discharge
1
Cu
OD4.76*T0.7
2
R319A-580
Pipe Condenser Dryer
1
Cu
OD4.76*T0.7*482.8
3
R2183-032
Dryer
1
Cu
R-134a, 36G
4
R8603-803
Pipe Suction
1
Cu
Φ3.0XΦ1.3X3100
5
R2104-610
Tube Vaccum
1
Cu
T0.6*¢6.35*L=120
6
R319A-460
Pipe Cond Outlet
1
Cu
OD4.76*T0.7*L340
7
R319A-470
Pipe Dryer Inlet
1
Cu
OD4.76*T0.7*L506.5
8
R319A-490
Pipe Cross Bar Outlet
1
Cu
OD4.76*T0.7*L540
9
R858C-420
As Condenser
1
SWST+MSWR10
Φ4.76*13,190
10
R3723-070
Condenser Fan Motor
Blade
1
AL
9" CW
11
R7423-070
Condenser Fan Motor
1
-
220V 50~60Hz. 9W. CCW.
12
R315A-050
Bracket C-Fan Motor
1
GI
T2
13
R3813-791
Fan Cover Wire
1
MSWR10
Φ2.5

d. LFT-1471H
NO.
Model Code
Description
Qty
Material
Spec
1
R2113-570
Discharge Connector
1
CU
Φ6.35*T0.7*1215
2
R8603-814
Pipe Suction T49F
1
Cu
OD3.0XID1.6X5000
3
R319A-580
Pipe Condenser Dryer
2
Cu
OD4.76*T0.7*482.8
4
R2183-200
Dryer
1
Cu
Ø25.73*0.8T*169, CU-PIPE
5
R2114-321
Comp Charging Pipe
1
Cu
Φ6.35*T0.7
6
R7549-320
STARTING CAPACITOR
1
-
220V/80㎌
R7549-330
RUNING CAPACITOR
-
220V/10 ㎌
7
R319A-470
Pipe Dryer Inlet
1
Cu
OD4.76*T0.7*L506.5
8
R319A-490
Pipe Cross Bar Outlet
1
Cu
OD4.76*T0.7*L540
9
R319A-500
Pipe Cond Outlet
1
Cu
OD4.76*T0.7*L520
10
R319A-540
Pipe Cond
1
Cu
OD4.76*T0.7*L150
11
R865A-080
Assy Condenser
1
CU+AL
R4*S10*L19,202
12
R3723-070
Condenser Fan Motor
Blade
1
AL
9" CW
13
R7423-070
Condenser Fan Motor
1
-
220V 50~60Hz. 9W. CCW.
14
R315A-050
Bracket C-Fan Motor
1
GI
T2
15
R3813-781
Fan Cover Wire
1
MSWR10
Φ2.5

e. LRT-72H
NO.
Model Code
Description
Qty
Material
Spec
1
R845A-012
Assy Suction Pipe T72R
1
CU
OD¢3.0*ID1.6*4000
2
R2113-570
Discharge Connector
1
CU
¢6.35*T0.7*1215
3
R867A-020
Assy Relay Box
1
-
SC18G 115V60HZ 117-7053 72R
4
R319A-530
Pipe Cross Bar Outlet
TM72F
1
CU
OD4.76*T0.7*L150
5
R319A-520
Pipe Cross Bar Connect
TM72F
1
CU
OD4.76*T0.7*L774.5
6
R319A-510
Pipe Cond Outlet TM72F
1
CU
OD6.35*T0.7*L363
R319A-540
Pipe Cond
1
CU
OD4.76*T0.7*L150
7
R319A-470
Pipe Dryer Inlet TM
1
CU
OD4.76*T0.7*L506.5
8
R2183-032
Dryer
1
CU
R-134A. 36G)
9
R319A-580
Pipe Condenser Dryer
1
CU
OD4.76*T0.7*482.8
10
R865A-080
As Condenser
1
CU+AL
R4*S10*L19,202
11
R3723-070
Condenser Fan Motor
Blade
1
AL
9" CW
12
R7423-070
Condenser Fan Motor
1
-
220V 50~60Hz. 9W. CCW.
13
R315A-050
Bracket C-Fan Motor
1
GI
T2
14
R3813-781
Fan Cover Wire
1
MSWR10
Φ2.5

f. LFT-72H
NO.
Model Code
Description
Qty
Material
Spec
1
R2113-311
Discharge Connector
1
CU
Φ7.94*T0.7*355
2
R845A-021
Ass'y Suction Pipe T72F
1
Cu
OD 3.0*ID1.6*5000
3
R319A-580
PIPE CONDENSER DRYER
2
Cu
OD4.76*T0.7*482.8
4
R2183-200
Dryer
1
Cu
Ø25.73*0.8T*169, CU-PIPE
5
R2114-321
Compressor Charging Pipe
1
Cu
OD6.35*T0.7
6
R876A-030
Ass’y Relay Box
1
-
Code No : 117-7053
7
R319A-470
Pipe Dryer Inlet
1
Cu
OD4.76*T0.7*L506.5
8
R319A-510
Pipe Cond Outlet
1
Cu
OD6.35*T0.7*L363
R319A-540
Pipe Cond
1
Cu
OD4.76*T0.7*L150
9
R319A-530
Pipe Cross Bar Outlet
1
Cu
OD4.76*0.7*L150
10
R319A-520
Pipe Crossbar Connect
1
Cu
OD4.76*T0.7*L774.5
11
R865A-090
As Condenser
1
Cu+AL
R3*S10*L17806 BM/TM72
12
R3723-070
Condenser Fan Motor Blade
2
AL
9" CW
13
R7423-070
Condenser Fan Motor
2
-
220V 50~60Hz. 9W. CCW.
14
R315A-050
Bracket C-Fan Motor
2
GI
T2
15
R3813-770
Fan Cover Wire
1
MSWR10
Φ2.6

C. Body Assembly
a. LRT-771H, LFT-771H
NO.
Model Code
Description
Qty
Material
Spec
1
R3373-630
Shlef Standard L
4
AL
T=12, L930
2
R8429-022
Assy Shelf Clip 14 Set
1
POM
WHITE
3
R3314-602
U-Cover Bracket A
2
EGI
1T*81.61*20
4
R371A-110
Shelf 23
3
MSWR10
W545*D580
5
R3323-230
Caster
2
-
4" MOVE
6
R3323-240
Caster
2
-
4" STOP
7
R325A-030
Cover Corner
4
ABS
28.5*28.5*53
8
R816B-270
Assy Cross Bar_23H
1
-
LRT-771H 220V 7W
R816B-280
-
LFT-771H 220V 15W
9
R315A-361
Bracket Cross Bar
1
STS443CT-2B
T0.8*80*76.7
10
R315A-820
Bracket Cross Bar T23H
1
STS443CT-2B
T0.8*69*78.7
G
R8173-130
Check Valve As
1
-
-
G1
R3253-050
Filter Check Valve
1
FILTER FOME
#10. T10. BLK
G2
R3253-041
Cap Check Valve
1
ABS
45.5*45.5*23.5
G3
R3253-061
Packing Flap
1
PE
T4. WHITE
G4
R3253-030
Flap Check Valve
1
ABS
40.5*45*36
G5
R3253-020
Body Check Valve
1
ABS
60*60*75.05

b. LRT-1471H
NO.
Model Code
Description
Qty
Material
Spec
1
R816B-160
Assy Cross Bar_49H
1
STS443CT
LRT/LFT-1471H HOT
PIPE
2
R325A-030
Cover Corner
8
ABS
28.5*28.5*53
3
R3373-630
Shelf Standard L
8
AL
T1.2*930
4
R8429-012
Assy Shelf Clip 26 SET
1
POM
White
5
R3314-602
U-Cover Bracket A
3
GI
1T*81.61*20
6
R3323-230
Caster 4”
2
-
4" Move
7
R3323-240
Caster 4”
2
-
4" Stop
8
R3233-210
SHELF 49
3
MSWR10
NSF, W609*D580
9
R3233-210
SHELF 49
3
MSWR10
NSF, W609*D580
10
R315A-560
Bracket Cross Bar TM
Upp
1
STS443CT-2B
T0.8*80*176.72
11
R315A-361
Bracket Cross Bar
3
STS443CT-2B
T0.8*80*76.7
G
R8173-130
Check Valve As
1
ABS
-
G1
R3253-050
Filter Check Valve
1
Filter Foam
#10, T10, Black
G2
R3253-041
Cap Check Valve
1
ABS
45.5*45.5*23.5
G3
R3253-061
Packing Flap
1
PE
T=4, White
G4
R3253-030
Flap Check Valve
1
ABS
40.5*45*36
G5
R3253-020
Body Check Valve
1
ABS
60*60*75.05
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5
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