Turboair Mega Top Prep Table MST-28-12 User manual

Mega Top Prep Table
Service Manual
Commercial
Refrigerator
Model: MST-28-12
MST-72-30
MST-48-18
MST-60-24

1-2. MST-48-18 EXPLODED VIEW
1-3. MST-60-24 EXPLODED VIEW
2-2. MST-60-24 / MST-72-30
5. PARTS LIST
2-1. MST-28-12 / MST-48-18
6. REPLACEMENT OF MAIN COMPONENTS
1-4. MST-72-30 EXPLODED VIEW
3. MAIN COMPONENTS
4. TEMPERATURE CONTROL INSTRUCTION
1. EXPLODED VIEW
1-1. MST-28-12 EXPLODED VIEW
TABLE OF CONTENTS
2. WIRING DIAGRAMS
6-1. REPLACING DOOR
6-2. REFRIGERATION COMPARTMENT PARTS
6-3. COMPRESSOR COMPARTMENT PARTS
6-4. REPLACING THE EVAPORATOR & EVAPORATOR FAN MOTOR

11121
2 12 LOUVE 22 EVAPORATOR DUCT
3 13 PAN DUCT SIDE(LF) 23 PAN DUCT FRONT
4 14 PAN DUCT MID 24
515
6 HOOD 16
7 HOOD LID 17
818
919
10 20
EVAPORATOR FAN DUCT TAMPERATURE CONTROL COVER
1-1. MST-28-12 EXPLODED VIEW
◎ Part Name
COMPRESSOR CASTER
DOOR ASSEMBLY
SHELF
1. EXPLODED VIEW
CABINET ASSEMBLY
CONDENSER ASSEMBLY
EVAPORATOR ASSEMBLY
BOARD KITCHEN BOTTOM HINGE
COUNTER TOP TOP HINGE
MECH COVER PAN DUCT SIDE(RH)
BRACKET BOARD KITCHEN
EVAPORATOR DRAIN GUI
1
2
4
3
5
6
7
11
13
14
15
22
21
20
19
18
12
16
17
8
9
10
23 24

11325
2 14 EVAPORATOR 26
3 15 EVAP DRAIN GUIDE 27
416
PAN DUCT SIDE(LF) 28
517
PAN DUCT MID 29
618
7 19 PAN DUCT FRONT
8 20 TOP HINGE(LF)
9 21 DOOR ASSEMBLY(LF)
10 22
11 23
12 24
BOARD KITCHEN
EVAPORATOR FAN DUCT
◎ Part Name
BOTTOM HINGE(RH)
HOOD LID
BRACKET BOARD KITCHEN
UNIT COVER CABINET ASSEMBLY
PAN DUCT SIDE(RH)
COUNTER TOP ASSEMBLY
HOOD
DOOR ASSEMBLY(RH)
TOP HINGE(RH)
MECH COVER(RH)
BOTTOM HINGE(LF)
TAMPERATURE CONTROL COVERCOMPRESSOR
SHELF LOUVER
1-2. MST-48-18 EXPLODED VIEW
CONDENSER ASSEMBLY EVAPORATOR DUCT
MECH COVER(LF)
CASTER
2
3
4
5
6
978
12
13
16
17
18
22
21
20
15
28
27
26
24
25
10
11
1
19
23
14
29

11427
21528
31629
41730
518
PAN DUCT SIDE(LF)
619
720
821
922
10 23
11 24
12 25
13 26
◎ Part Name
MECH COVER(LF)
BOARD KITCHEN DOOR ASSEMBLY(LF)
TOP HINGE(RH)
UNIT COVER
COUNTER TOP ASSEMBLY PAN DUCT FRONT
HOOD
LOUVER
TOP HINGE(LF)
BOTTOM HINGE(LF)
BOTTOM HINGE(RH)
CABINET ASSEMBLY EVAP DRAIN GUIDE TAMPERATURE CONTROL COVER
COMPRESSOR EVAPORATOR DUCTEVAP FAN DUCT
CASTER
HOOD LID
BRACKET BOARD KITCHEN
DOOR ASSEMBLY(RH)
MECH COVER(RH)
PAN DUCT MID
HOOD
SHELF EVAPORATOR
CONDENSER ASSEMBLY
PAN DUCT SIDE(RH)
1-3. MST-60-24 EXPLODED VIEW
9
3
4
5
7
8
6
10
11
12
13
16
17
18
19
20
21
22
23
24
2927 28
26
14
15
25
2
30
1

11427
21528
3 16 MECH COVER(LF) 29
41730
5 HOOD LID(RH) 18 MECH COVER(RH) 31
6 BRACKET BOARD KITCHEN 19 PAN DUCT SIDE(LF) 32
7 BRACKET BOARD 20 PAN DUCT MID
8 HOOD(RH) 21 PAN DUCT SIDE(RH)
9 COUNTER TOP ASSEMBLY 22
10 HOOD(LF) 23
11 24
12 25
13 26
EVAPORATOR FAN DUCT BOTTOM HINGE(LF)
HOOD LID(LF) DOOR ASSEMBLY(LF)
TOP HINGE(LF)
CASTER
LOUVER DOOR ASSEMBLY(MID)
1-4.MST-72-30 EXPLODED VIEW
TAMPERATURE CONTROL COVER
EVAPORATOR DUCT
CONDENSER ASSEMBLY
EVAPORATOR TOP HINGE(RH)
BOTTOM HINGE(RH)
◎ Part Name
SHELF EVAP DRIAN GUIDE DOOR ASSEMBLY(RH)
COMPRESSOR
PAN DUCT FRONT
UNIT COVER
CABINET ASSEMBLY
1
3
4
17
8
9
10
6
12
13
20
21
22
23
24
25
26
27
29
28
3130
2
14
19
7
5
18
16
15
11
32

2-2. MST-60-24 / MST-72-30
2. WIRING DIAGRAMS
2-1. MST-28-12 / MST-48-18

SK1A1C-L2W M609700100 1/3HP 115V 60Hz
CAE4456Y M729700100 1/2HP 115V 60Hz
PART NO.
~
~
~
~
IS-4420DWSN-2A
IS-4420DWSN-2A INDUCTION
2P
2P
2P
2P
115v60Hz
MST-28-12 GSR SO68 E03 03 783RHBZZ-52
3963328120
3963328120
3963328120
INPUT
115v60Hz
1/4HP
MST-48-18
CAPACITY
~
DAEWOO
IS-4420DWSN-2A
IS-4420DWSN-2A
BLADE
~
BLADE
SAMSUNG
CSIR 115V 60Hz
MAKERTYPE OF
1.COMPRESSOR
M729700100
~
MODEL PART NAME
M369700100
3.MAIN COMPONENTS
SUNGSHIN
ZYTEL
4
SHADED
POLE
INDUCTION
M729900200
S
HADED POL
E
AL 5 SUNGSHIN
3ARR12 MST16AGZ-3240D5AP
TYPE
250V/12uF
~
MST-60-24 115V 60Hz
HBL-27YE-1
MST-28-12
(NUMBER)
TYPE NO
30283L0100
DAI-6202DEUA
K55Q-5607,16A RANCO
MST-48-18,MST-60-24,MST-72-30
MST-28-12
115v60Hz
INPUT
MST-72-30
PART NAME POLE
5.EVAPORATOR FAN MOTOR
MODEL
3.COMPRESSOR CAPACITOR
PART NO.
RUNNING
230V/10uF
~
~~
MAKERRATINGPART NO.PART NAME
MST-72-30
CSIR
MAKER
3ARR12
1/2HP
MST-48-18
MST16AGZ-3240D5AP
MODEL RELAY OVERLOAD
TECUMSHEMST-60-24
115V 60Hz TECUMSHE
SAMSUNG ~
2.COMPRESSOR RELAY ,OVERLOAD
NOTE
J531Q34E220M3503 795TFBZZ-53
MST-72-30 ~
MST-60-24 ~
CAE4456Y
INPUT
H
ORS
E
160V/315uF
~
~
DAEWOO ~
~
MAKER
MODEL
MST-28-12
MST-60-24 ~
MAKER
~
~
DAI-6202DEUA
3963328120
PART NO.
MST-48-18 DAI-6202DEUA
DAI-6202DEUA
160V/315uF ~
MODEL
MST-28-12
THERMOSTAT
TECUMSHE
~~
MST-72-30
PART NAME
MST-48-18
6.THERMOSTAT
MST-28-12
115v60Hz
MST-72-30
MST-60-24
STARTING PART NO.
PART NO.
4.CONDENSER FAN MOTOR
NOTE
200V/100uF ~
MST-48-18 125V/125uF ~
CSIR
CSIR TECUMSHE

4.TEMPERATURE CONTROL INSTRUCTION
- Factory setting is at "NORMAL" Settings can be changed by Dial Knob.
- Temperature can be controlled by the user.
◎ Indicates temperature level
setting.

28 48 60 72
1
11
DOOR ASSEMBLY (M) 1
1
DOOR ASSEMBLY (R) 1
DOOR ASSEMBLY (R) 1 1
2446
1
DOOR GASKET 2
DOOR GASKET 2 3
TOP HINGE ( R ) 1112
TOP HINGE ( L ) 1 1 1
TOP HINGE SPACER 1223
1112
111
1223
1
1
1
1
2222
2222
3. COMPRESSOR COMPA
R
1
1
11
1
1
1
1
1
1
1
1
1
2223
1111
12 18 24 30
BRACKET MOTOR 30220T0300 SUS304
FAN COOLING BLADE
SUCTION PIPE(A) M724400100 CU
COMPRESSOR
COMPRESSOR
COMPRESSOR
M369700100
Remark
M720700100
DOOR BUSHING
3011802210 ZYTEL
COUNTER TOP ASSEMBLY
M604400200
CASTER M726500100
M609700100
CU
GI
SUCTION PIPE(A)
SUCTION PIPE(A)
SUCTION PIPE(A)
M270300100COMP BASE
SUCTION PIPE(B)
M724400200SUCTION PIPE(B)
CU
M274400100 CU
M604400800
CU
SUCTION PIPE(B)
M726500200
M275700200
M272300100
BOTTOM HINGE (U)(R)
BOTTOM HINGE (U)(L)
SPRING BAR
2. COUNTER TOP
SUS304,SM45C
WM71700200
DOOR ASSEMBLY (L)
DOOR ASSEMBLY (R)
30229M0400
M725000100
M722900200
SUS304,SM45C
30211M0100PAN
WM71700100
WM20000900
DOOR GASKET
M604400400
30229M0300
PVC
PA-66
Part Code
1. DOOR
Model
WM61700200
DescriptionPart Name
COUNTER TOP ASSEMBLY
COUNTER TOP ASSEMBLY
COUNTER TOP ASSEMBLY
CASTER
DOOR ASSEMBLY (L)
M602300100
M722300100
M722900100
M485700200
D605700200
D725700200
WM71700300
WM61700100
M604400900
5. PARTS LIST
CU
PC
SUCTION PIPE(B)
M729700100
M364400200
CU

Model
28 48 60 72
1
1
1
1112
1111
1
1
111
DRAIN PIPE 1
DRAIN PIPE 11
CONDENSER MOTOR BRACK 1112
1112
Model
28 48 60 72
1
PAN SUPPORT ASS'Y 1
PAN SUPPORT ASS'Y 1
PAN SUPPORT ASS'Y 1
EVAP FAN MOTOR 2223
1
KITCHEN BOARD 1
KITCHEN BOARD 1
KITCHEN BOARD 1
PAN DUCT MID 1
PAN DUCT MID 11
1
1
1
11
1
1
11
1
1
1
SUS304-2B
SUS304-2B
SUS304-2B
SUS304-2B
PAN DUCT MID
PAN DUCT SIDE(L)
PAN DUCT FRONT
PAN DUCT FRONT
PAN DUCT SIDE(R)
PAN DUCT SIDE(R)
PAN DUCT SIDE(L)
PAN DUCT SIDE(L)
PAN DUCT SIDE(R)
PAN DUCT FRONT
M276900400
M726900400
M486900400
M606900600
M486900600
M276900600
SUS304-2B
SUS304-2BM726900100
M486900100
MIPS
4. REFRIGERATION COMPARTMENT
M276900100
M276900500
M720002500
PP
DRAIN PAN
AL
DRAIN PAN M729300100
CONDENSER FAN BLADE M729800100
SUS304-2B
SUS304-2B
SUS304-2B
SUS304-2B
Remark
CONDENSER FAN AIR GUIDE
CONDENSER FAN MOTOR
M721300100
M722500900
POWER CORD
30211A0200
GI
PP
COMP BASE
3963328120
M729900200
M726900500
M279400100
M600001300
M606900500
PAN SUPPORT ASS'Y M270001200
KITCHEN BOARD
Part Name Part Code
M489400100
M609400100
M729400100
Remark
SUS304-2B
Description
COMP BASE
COMP BASE
DescriptionPart CodePart Name
M484400100
M724400800
3020602200
M480001100
IS-4420DWSN-2A
KKP-30(9.85FT)
M600300100
GIM600300300
GI
GI
M720300100

28 48 60 72
1
1
1
1
1
2
22
1
1
48812
112
48812
1
1
1
1
1
1
1111
1
1
1
1
1
EVAPOVATOR DUCT 1
EVAPOVATOR DUCT 1
EVAPOVATOR DUCT 1
FIXTURE EVAP DUCT BRACKET 2222
1
HOOD LID 1
HOOD LID 21
HOOD LID 1
MULLION FRAME 112
MULLION BACK FRAME 112
MULLION FRAME INSULATION 1 1 2
CONDENSER AS 1
CONDENSER AS 1
CONDENSER AS 11
HOOD SHAFT SPACER 2244
HOOD HINGE 2244
BRACKET BOARD KITCHEN(L) 1111
1111
3579
SUS439-2B
SUS439-2B
STS304
Description
HOOD LID
SUS304
SUS304
M722500100
EVAPOVATOR FAN DUCT
EVAPOVATOR DUCT
M486900300
30206P1902BRACKET BOARD KITCHEN(R)
PAN GUIDE
M727800300
SUS304
FIXTURE SHELF CLIP
SHELF MID BRACKET M720600100
PA-66
SUS439-2B
CU,SPG,AL
SUS304
CU,SPG,AL
DRAIN PAN GUIDE(R)
DRAIN PAN GUIDE(L)
M367000100
30220L0900
SHELF STANDARD
EVAPORATOR AS
M725300200
M272500100
M485800100
SHELF
SHELF
SHELF MID
LOUVER
LOUVER
SHELF
M605800100
M725800100
M607800100
M487000200
Part Name Part Code
M277800100
M727800100
M726900600PAN DUCT FRONT
LOUVER
LOUVER
M275800100
EVAPOVATOR FAN DUCT
EVAPORATOR AS
EVAPORATOR AS
THERMOSTAT
SUS439-#4
M727000100
30283L0100
M276900200
M726900200
M606900300
M726900300
WM28900100
WD78900300
M722200400
WD68900300
M276900300
SUS439-2B
SUS439-2B
STS304
STS304
STS304
SUS439-2B
M486900200
M607000100
M606900200
EVAPOVATOR FAN DUCT
GI
GI
CU,SPG,AL
CU,SPG,AL
M272500200
EVAPOVATOR FAN DUCT
250V,16A K55Q -5607
SUS439-2B
EVAPORATOR AS
M722200200
M723300100
M365900100
M605900100
M725900100
M725000400
M724900100
M720601301
SUS304-2B
Model Remark
M720601000
WM48900300
SUS439-2B
SUS439-2B

`
A.Disassemble the evaporator fan duct assembly
B.Disassemble the evaporator duct
6-1. REPLACING DOOR
A. Unscrew the top hinge B. Lift the door
6. REPLACEMENT OF MAIN COMPONENTS
6-2. REFRIGERATION COMPARTMENT PARTS

A.Disassembly the rear grill
C.Remove the tamperature & sensor
B.Disassembly the condesing unit
6-3. COMPRESSOR COMPARTMENT PARTS

6-4. REPLACING THE EVAPORATOR & EVAPORATOR FAN MOTOR
A.Remove the evaporator coil B.Remove the evaporator fan motor