Haier BD-478A User manual

BD-478A
Freezer
Service Manual
Features
Door lock for safetystorage
High pressurefoam coverfor efficientTemperature
preservation.
Adjustablethermostat.
Superior insulation.
Efficientdefrostedstorage
Designedfor cafeterias restaurantsand hotels
Haier Group
ManualNo.:BD-478AEdition:20051201
BD-478A
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Contents
1.Contents .1
2.Product Code Illumination and SeriesIntroduction
2
3.Features ... 3
4.Specifications 4
5.SafetyPrecautions(including Warning and Cautions) ...5
6.Net Dimension ....7
7.Installation and AccessoryParts . 8
8.Partsand Functions 12
9.SystemFlowChart 13
10.Function Schedule 14
11.Circuit Diagram 15
12.MaintenanceServiceand TroubleShooting
1.SystemTroubleshooting 16
2.Common freezer problems 28
3.Serviceand technicalrequirementsof R134a freezer 30
4.Application and maintenanceof freezer 33
5.Procedure and toolsrequired for evacuation and Charging 38
6.FreezersNoise 40
7.NationalStandard for noise 49
8.Measuring technologyof freezer performanceparameter 51
13.Exploded View 58
14.List of Parts 59
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PRODUCTCODE ILLUMINNATIONAND SERIES INTRODUCTION
Product Code Illumination and SeriesIntroduction
BD-- □□
AB CD
A:Thefirst letterof FREEZER”inChinese spelling.
B:Thefirst letterof FREEZER”inChinese spelling.
C:Capacity. (Unit:litre).
D:Improve Series Number.
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３
FEATURES
Features
Door lock for safetystorage
High pressurefoam coverfor efficientTemperature
preservation.
Adjustablethermostat.
Superior insulation.
Efficientdefrostedstorage
Designedfor cafeterias restaurantsand hotels
Lowpowerconsumption20%less thantheothersimilar
freezers
Importedhighqualitycompressorandcondenser,large
freezing capacity, 1.5times morethenregularfreezers
Freezingquick anddeepfreezefunctionsare2timesfasterthen
regularfreezers
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SPECIFICATIONS
Specifications
Model BD-388A BD-478A
Capacity(L) 388 478
Power Supply(V/Hz) 220V~/50Hz 220V~/50Hz
Unit Dimension (W*D*H) 1420*715*810 1690*715*810
Unit Weight (Kg) 72 78
BoxDimensions(W*D*H) 1495*765*870 1765*765*870
BoxWeight (Kg) 84 91
Container Quantity(40HC’) 66 57
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SAFETYPRECAUTIONS
SafetyPrecautions
Readalloftheinstructionsbeforeusing thisappliance.Whenusing
thisappliance,alwaysexercisebasicsafetyprecautions,including the
following:
1.Use thisapplianceonlyfor itsintendedpurpose as describedinthis
uses and careguide.
2.Thisfreezermust beproperlyinstalledinaccordancewiththe
installationsection.Instructionsbeforeitisused, Seegrounding
instructionsintheinstallation section.
3.Neverunplugyourfreezerbypuling onthepowercord,Always
grasptheplug firmlyand pull straightoutfromtheoutlet.
4.Repairor replace immediately,allelectricservicecordsthathave
become frayedorotherwisedamaged, Do notuseacordthat
shows cracksor abrasion damagealong itslength,theplug orthe
connector end.
5.Unplug yourfreezerbeforecleaning orbeforemaking anyrepairs,
Note: Iffor anyreason thisproduct requires service,we strongly,
recommend that acertifiedtechnicianperformtheservice.
6.Ifyouroldfreezerisnotbeingused, werecommend thatyou
removethedoorand leavetheshelvesinplace;thiswillreduce the
possibilityofdanger tochildren.
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SAFETYPRECAUTIONS
SafetyPrecautions
7. Thisfreezer shouldnotberecessedor built-inanenclosed
Cabinet. Itisdesignedfor freestanding installation only
8.Do notoperate your freezer inthepresence ofexplosive fumes.
9. Do notrefreezefoods, whichhave beenthawedcompletely.
10.Do notuse anyelectricaldeviceoranysharpinstrumentin
defrosting your freezer.
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NETDIMENSION
NetDimension
Ha
LW
H
Model BD-388A BD-478A
Unit Dimension (W*D*H) 1420*715*810 1690*715*810
Dimension (Door open) 1420*715*1470 1690*715*1470
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INSTALLATIONAND ACCESSORYPARTS
Installation and AccessoryParts
Unpacking Your Freezer
1.Removeall packagingmaterial;thisincludesthefoambaseandalladhesive
tape holding the freezer accessoriesinside and outside.
2.Inspectandremoveanyremainsofpacking,tape orprintedmaterialsbefore
powering on the freezer.
Adjusting Your Freezer
1.Yourfreezer isdesignedforfreestanding installation only.It shouldnotbe
recessed or built-in.
2.Placethe freezer on afloor strong enough tosupport it fullyloaded.
3.When movingthefreezer,nevertiltitmorethan a45-degreeangle.Thiscould
damage the compressor and the sealed system.
4.Ifthe freezer istilted letitstandinan uprightposition for atleast24 hoursprior
toplugging.Thisistoallowthe refrigerant tosettle.
·ProperAirCirculation
l Toassureyourfreezer worksatthemaximumefficiencyitwasdesignedfor,
you shouldinstall it inalocation where there isproper aircirculation,
l Plumbing and electricalconnections.
l The following are recommended clearancesaround the freezer:
Sides ..2”(50mm)
Top. 2”(50mm)
Back ..2”(50mm)
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INSTALLATIONAND ACCESSORYPARTS
Installation and AccessoryParts
l Donot over fill freezer for proper internalaircirculation.
Electrical Requirement
l Makesure thereisasuitablepower Outlet(220V)withpropergrounding to
power the freezer.
l Avoidtheuseofcutting offthe thirdgrounding,thisisadangerouspractice
sinceitprovidesno effectivegrounding for the freezerand mayresultin
shockhazard.
Install Limitations
l Donotinstall yourfreezer inanylocation notproperlyinsulated or heatede.g.
garage etc,
l Selectasuitablelocationfor the freezer onahard evensurfacesawayfrom
directsunlightorheatsourcee.g.radiators,baseboardheaters,cooking
appliancesetc,Anyfloor unevenness shouldbe corrected.
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