Turboair MUR-28L User manual
Turbo Air Speed up the Pace of Innovation
Undercounter Refrigerator
Low Boy
Service Manual
CAUTION!
PLEASE KEEP POWER
SWITCH ON BEFORE
OPERATING THIS EQUIPMENT
Please read this manual completely before attempting to install or operate this equipment!
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MUR-28L
MUR-36L
Undercounter Refrigerator
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 M279500200 CABINET ASSY 13 S2853A0302 TOP HINGE R
3 IS 4420DWSG-1 CONDENSER FAN
MOTOR 14 ULB2000400 DOOR
4 HBL 27YE-1 COMPRESSOR 15 S2853A0500 BOTTOM HINGE UR
5 U484200201 SUCTION PIPE(B) 16 ULB1000500 TAMPERATURE
CONTROL COVER
6 KF24900105 CONDENSER 17 ULB2800400 EVAP DUCT
7 M721401307 MECH COVER 18 K3F6500200
K3F6500400 CASTER 3”
8 ULB2A00100 EVAP ASSY
9 U286310100 EVAP DRAIN GUIDE 19
10 U279500100 COUNTER TOP ASSY 20
11 ULB2800300 EVAP FAN DUCT 21
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 CONDENSER FAN
MOTOR 14 M722900209 TOP HINGE L
4HBL 27 YE -1 COMPRESSOR 15 ULB3000200 DOOR
5 U354200102 SUCTION PIPE(B) 16 30229M0305 BOTTOM HING UL
6 KF 24900105 CONDENSER 17 ULB3000300 DOOR
7 M 361401001 MECH COVER 18 M722900109 TOP HINGE R
8 M 721401205 UNIT COVER 19 30229M0405 BOTTOM HINGE UR
9 ULB 2A00100 EVAP ASSY 20 ULB1000500 TAMPERATURE
CONTROL COVER
10 U286310100 EVAP DRAIN GUIDE 21 ULB3600400 EVAP DUCT
11 WU36700100 COUNTER TOP ASSY 22 K3F6500200
K3F6 500400 CASTER 3 ”
2. Wiring Diagram (MUR-28L/MUR-36L)
3. MAIN COMPONENTS
3-1.COMPRESSOR
3-5. THERMOSTAT
MODEL PART NO. SPEC NOTE
MUR-28L
MUR-36L
30283 L0100 K55-Q5607
30283 L0100 K55-Q5607
MODEL PART NAME PART NO. HP TYPE
OF INPUT REFRIGERANT
MUR-28L HBL 27YE-1 RSCR 115V,60Hz R-134a
MUR-36L HBL 27YE-1 RSCR 115V,60Hz R-134a
3-2.CONDENSER FAN MOTOR
MODEL PART NAME PART NO. POLE INPUT TYPE BLADE MAKER
MUR-28L
IS 4420DWSG-1 4P 115V,60Hz
SHADED
POLE
INDUCTION
AL3
MUR-36L
3-3.EVAPORATOR FAN MOTOR
MODEL PART NAME PART NO. POLE INPUT TYPE BLADE MAKER
MUR-28L
MUR-36L IS-27213QTBA 2P 115V,60Hz
SHADED
POLE
INDUCTION
PA-66
4
3-4. Filter Dryer
MODEL PART NO. REFRIFERANT SPEC NOTE
MUR-28L BR84100101 R-134a C-052-5 -
MUR-36L
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 2
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-11 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 SUS 4 8
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
4-2. Capillary Tube Spec
Model Suction Pipe A Suction Pipe B
Tube I.D Length F Tube I.D Length F
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
4-3. The cycle pressure of model starting (refrigerant weight)
MODEL COMP model
refrigerant High
pressure(Psi)
Low
pressure(Psi) Memo
refrigerant Refrigerant
charge
MUR-28L HBL 27YE-1 R134a 250gr
MUR-36L HBL 27YE-1 R134a 260gr
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1
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