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CAUTION!
PLEASE KEEP POWER
SWITCH ON BEFORE
OPERATING THIS EQUIPMENT
Turbo Air Speed up the Pace of Innovation
Undercounter Refrigerator
Low Boy
Service Manual
Please read this manual completely before attempting to install or operate this equipment!
Undercounter Refrigerator
MUR-28L
MUR-36L
www.turboairinc.com
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MUR-28L/MUR-36L
1-1. MUR-28L Explode View
No Part Cord Part Name No Part Cord Part Name
1 WM27800101 SHELF 12 M725300201 SHELF STARDAND
2
3 IS 4420DWSG-1
4
5 U484200201 SUCTION PIPE(B) 16 ULB1000500
6
7
8 ULB2A00100 EVAP ASSY
9 U286310100 EVAP DRAIN GUIDE 19
10 U279500100 COUNTER TOP ASSY 20
11 ULB2800300 EVAP FAN DUCT 21
M279500200
HBL 27YE-1 COMPRESSOR
KF24900105
M721401307
CABINET ASSY
CONDENSER FAN
MOTOR
CONDENSER
MECH COVER
13 S2853A0302 TOP HINGE R
17 ULB2800400 EVAP DUCT
14 ULB2000400 DOOR
15 S2853A0500 BOTTOM HINGE UR
TAMPERATURE
CONTROL COVER
18
K3F6500200
K3F6500400
CASTER 3”
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1-2. MUR-36L Explode View
No Part Cord Part Name No Part Cord Part Name
1 WM35800100 SHELF 12 ULB2800300 EVAP FAN DUCT
2 M 369500200 CABINET ASSY 13 M725300201 SHELF STARDAND
3 IS 4420 DWSG - 1
4
5 U354200102 SUCTION PIPE(B) 16 30229M0305 BOTTOM HING UL
6 KF 24900105 CONDENSER 17 ULB3000300 DOOR
7 M361401001 MECH COVER 18 M722900109 TOP HINGE R
8 M721401205 UNIT COVER 19 30229M0405 BOTTOM HINGE UR
9 ULB 2A 00100 EVAP ASSY 20 ULB1000500
10
11 WU36700100 COUNTER TOP ASSY 22
HBL 27 YE -1 COMPRESSOR
U286310100
CONDENSER FAN
MOTOR
EVAP DRAIN GUIDE
14 M722900209 TOP HINGE L
15
21
ULB3000200
ULB3600400
K3F6500200
K3F6 500400
DOOR
TAMPERATURE
CONTROL COVER
EVAP DUCT
CASTER 3 ”
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2. Wiring Diagram (MUR-28L/MUR-36L)
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3. MAIN COMPONENTS
3-1.COMPRESSOR
MODEL PART NAME PART NO. HP
MUR-28L
MUR-36L
HBL 27YE-1
HBL 27YE-1
3-2.CONDENSER FAN MOTOR
MODEL PART NAME PART NO. POLE INPUT TYPE BLADE MAKER
MUR-28L
MUR-36L
IS 4420DWSG-1
3-3.EVAPORATOR FAN MOTOR
MODEL PART NAME PART NO. POLE INPUT TYPE BLADE MAKER
MUR-28L
MUR-36L
3-4. Filter Dryer
MODEL PART NO. REFRIFERANT SPEC NOTE
MUR-28L
MUR-36L
IS-27213QTBA 2P 115V,60Hz
BR84100101 R-134a C-052-5 -
RSCR
RSCR
4P 115V,60Hz
TYPE
OF
SHADED
INDUCTION
SHADED
INDUCTION
INPUT REFRIGERANT
115V,60Hz
115V,60Hz
POLE
POLE
AL3
PA-66
4
R-134a
R-134a
3-5. THERMOSTAT
MODEL PART NO. SPEC NOTE
MUR-28L
MUR-36L
30283 L0100 K55-Q5607
30283 L0100 K55-Q5607
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4-1. Service Part List
Part Name Part Code Description
LOW BOY Remark
MUR-28L MUR-36L
COUNTER TOP ASSY WU36700100 1
COUNTER TOP ASSY U279500100 1
DOOR ASSY(L) ULB3000200 1
DOOR ASSY(R) ULB3000300 1
DOOR ASSY ULB2000400 1
DOOR GASKET ULB3A00300 PVC 2
DOOR GASKET ULB2A00500 PVC 1
DOOR BUSHING M729200100 ABS 1 2
DOOR BUSHING M720700107 ABS 1 2
SPRING BAR ULB2810300
SPRING BAR ULB3610300 1
BOTTOM HINGE (U)(L) 30229M0305 GI 1
BOTTOM HINGE (U)(R) 30229M0405 GI 1
BOTTOM HINGE (U)(L)(R) S2853A0500 1
TOP HINGE (L) M722900209 SUS 1
TOP HINGE (R) M722900109 SUS 1
TOP HINGE S2853A0302 1
COMPRESSOR HBL 27YE-1 1 1
EVA ASSY ULB2A00100 CU 1 1
FILTER DRYER BR84100101 CU 1 1
CONDENSER ASSY KF24900105 1 1
CONDENSER FAN MOTOR IS 4420DWSG-1 1 1 4P
EVAP FAN MOTOR IS-27213QTBA 1 1 2P
POWER CORD M721300201 1 1
EVA DRAIN GUIDE U286310100 SUS 1 1
EVAP DUCT ULB2800400 SUS 1
EVAP DUCT ULB3600400 SUS 1
EVAP FAN DUCT ULB2800300 SUS 1
EVAP FAN DUCT ULB3600301 SUS 1
SHELF STANDARD M725300201
FIXTURE SHELF CLIP 30220L0903 PA-66 4 8
SHELF WM35800100 Pe-Co 2
SHELF WM27800101 Pe-Co 1
DRAIN PAN 30211A0202 P.P 1 1
DRAIN HOSE M723200100 PVC 1 1
SUCTION PIPE(A) M274400303 CU 1
SUCTION PIPE(A) M364400300 CU 1
SUCTION PIPE(B) U484400201 CU 1
SUCTION PIPE(B) U354200102 CU 1
SUS 4 8
2
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4-2. Capillary Tube Spec
Model
MUR-28L 2.4X 1.2 541mm 2.4X 1.2 959 mm
MUR-36L 2.4X 1.2 675mm 2.4X 1.2 1125 mm
Tube I.D Length F Tube I.D Length F
Suction Pipe A Suction Pipe B
4-3. The cycle pressure of model starting (refrigerant weight)
refrigerant
MODEL COMP model
MUR-28L HBL 27YE-1 R134a 250gr
MUR-36L HBL 27YE-1 R134a 260gr
refrigerant
Refrigerant
charge
High
pressure(Psi)
Low
pressure(Psi)
Memo
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