Haier BD-478A Manuale utente

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

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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２

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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４

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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５

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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６

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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７

NETDIMENSION

NetDimension

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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８

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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９

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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