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Refrigerator Model:HBC-70/200

（

India

）

１２

SYSTEM FLOW CHART

System Flow Chart

The refrigeration system of direct cooling single-system

refrigerators belongs to the category of a single-temperature and

single-control refrigerating system with only one evaporator and is

controlled by a single temperature control.

PDF created with pdfFactory trial version

www.pdffactory.com

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Содержание HBC-200

Страница 1: ...tor Temperature indicator Door lock for safety storage High pressure foam cover for efficient Temperature preservation Adjustable thermostat Superior insulation Haier Group Manual No HBC 70 200 India Edition 20040728 PDF created with pdfFactory trial version www pdffactory com ...

Страница 2: ...ule 14 11 Circuit Diagram 15 12 Maintenance Service and Trouble Shooting 1 System Troubleshooting 16 2 Common refrigerator problems 28 3 Service and technical requirements of R134a refrigerator 30 4 Application and maintenance of refrigerator 33 5 Procedure and tools required for evacuation and Charging 38 6 Refrigerators Noise 40 7 National Standard for noise 49 8 Measuring technology of refriger...

Страница 3: ...letter of haier in Chinese spelling B The first letter of Refrigerator in Chinese spelling C The first letter of Refrigerator in chinese spelling D Capacity Unit litre Examples HBC 200 It represents haier refrigeratorr with capacity 339 litre HBC 70 It represents haier refrigerator with capacity 529 litre PDF created with pdfFactory trial version www pdffactory com ...

Страница 4: ...s after the refrigerator is initiated The temperature inside the refrigerator will be kept between 0 and 8 even if the power supply is interrupted for 16 hours not lessthan 8 hours between every 2 power failure Designed for storage of vaccines Low power consumption 20 less than the other similar refrigerator Imported high quality compressor and cooling system PDF created with pdfFactory trial vers...

Страница 5: ...HBC 200 Capacity L 70 200 Power Supply V Hz 220V 50Hz 220V 50Hz Unit Dimension W D H 673 633 810 1243 633 810 Unit Weight Kg 69 100 Box Dimensions W D H 755 760 880 1325 760 880 Box Weight Kg 95 112 Container Quantity 40HC PDF created with pdfFactory trial version www pdffactory com ...

Страница 6: ... by puling on the power cord Always grasp the plug firmly and pull straight out from the outlet 4 Repair or replace immediately all electric service cords that have become frayed or otherwise damaged Do not use a cord that shows cracks or abrasion damage along its length the plug or the connector end 5 Unplug your refrigerator before cleaning or before making any repairs Note If for any reason thi...

Страница 7: ...r should not be recessed or built in an enclosed Cabinet It is designed for freestanding installation only 8 Do not operate your refrigerator in the presence of explosive fumes 9 Do not refreeze foods which have been thawed completely PDF created with pdfFactory trial version www pdffactory com ...

Страница 8: ... 70 200 India ７ NET DIMENSION Net Dimension L W H Model HBC 70 HBC 200 Unit Dimension W D H 673 630 810 1243 633 810 Dimension Door open 673 630 1435 1243 630 1435 PDF created with pdfFactory trial version www pdffactory com ...

Страница 9: ...the refrigerator on a floor strong enough to support it fully loaded 3 When moving the refrigerator never tilt it more than a 45 degree angle This could damage the compressor and the sealed system 4 If the refrigerator is tilted let it stand in an upright position for at least 24 hours prior to plugging This is to allow the refrigerant to settle Proper Air Circulation l To assure your refrigerator...

Страница 10: ... third grounding this is a dangerous practice since it provides no effective grounding for the refrigerator and may result in shock hazard Install Limitations l Do not install your refrigerator in any location not properly insulated or heated e g garage etc l Select a suitable location for the refrigerator on a hard even surfaces away from direct sunlight or heat source e g radiators baseboard hea...

Страница 11: ...or to your desired setting In case you unplug your refrigerator or experience an electrical outage allow 5 Minutes before plugging it back in Note If the refrigerator has been placed in a horizontal or tilted position for any period of time wait 24 hours before plugging the unit in Adjustable temperature dial Your refrigerator will automatically maintain the temperature level you select The temper...

Страница 12: ...Refrigerator Model HBC 70 200 India １１ PARTS AND FUNCTIONS Parts and Functions PDF created with pdfFactory trial version www pdffactory com ...

Страница 13: ...geration system of direct cooling single system refrigerators belongs to the category of a single temperature and single control refrigerating system with only one evaporator and is controlled by a single temperature control PDF created with pdfFactory trial version www pdffactory com ...

Страница 14: ...lectrical outage allow 5 minutes before plugging it back in Note If the refrigerator has been placed in a horizontal or tilted position for any period of time wait 24 hours before plugging the unit in Adjustable temperature dial Your refrigerator will automatically maintain the temperature level you select The temperature level you select The temperature control dial has 6 settings plus 1 is the w...

Страница 15: ... H C Brief description of principle about Thermostat When the temperature in the refrigerator is higher and reaches the value for starting the machine the thermostat will be closed the compressor will run When the temperature in the refrigerator is lower and reaches the value for closing the machine the thermostat will be open thus the compressor will be stop running PDF created with pdfFactory tr...

Страница 16: ...ltmeter to R1 Ohm position put the two voltmeter leads pencils into L and N terminals respectively watch the indication of odometer The normal value is several Ohm to tens of ohm If the resistance is zero means that there is a short in the refrigerator circuit or there is a short caused by a bad compressor or fan motor The reason should be found out and repaired If the resistance is too big or inf...

Страница 17: ...of order etc They will make the motor coil over temperature insulation material loose insulation is damaged then electricity will occur 2 Leakage of motor connection terminals the connection terminals of fully enclosed compressor are made from high temperature soda glass sintered ceramics around the terminals are filled with a high polymer The terminals and insulation material must have the same l...

Страница 18: ... repairing screw of relay lead is easy to contact the shell and leakage will then occur If you suspect the relay is bad check it If there is leakage please make the connections again and leave a piece of insulation paper under the screw 5 Leakage of fan because of too high humidity of refrigerator environment or a bad fan controlling unit the fan is burned after long time operation and thus causes...

Страница 19: ...e 2 Check the system tubing and make sure there is no leakage especially at the joint connections Refrigerant has good permeability and it also contains a little refrigerant oil If there is leak there will be traces of oil at the leak points 12 1 4 Troubleshooting by sounds 1 When the refrigerator is working normal high pressure liquid refrigerant flows into the low pressure evaporator via acapill...

Страница 20: ...ation the upper part of the cover is the warmest the temperature of lower part is similar to room temperature Its temperature is relative to environment temperature The temperature in winter is low and the condenser s temperature is low too and there is only a small part warm In summer the temperature is high and the temperature of condenser cover is high too and the whole condenser is warm 2 The ...

Страница 21: ...there is frost there must be problem with the refrigeration system Touching the above mentioned parts if there is big temperature difference compared with normal there must be problem and further decision should be made 12 1 6 System noise repair Normally there are two kinds of refrigerator noise one is the natural noise of compressor and fan and the other is the resonance noise or structural nois...

Страница 22: ...ening clip please change rubber cushion or secure clip 4 If tubing bumps against refrigerator body or against each other make adjustments accordingly to remove noise 5 If fan blade is blocked and thus causes noise please clear the obstacles around the fan or adjust fan blades 6 If the fan supporter is loose and noise is caused please tighten 12 1 7 Poor freezing effect analysis and solutions 1 Che...

Страница 23: ...o much vaccines stored in the refrigerator if hot f vaccines has been put in or not Too full of vaccines is not good for cold air circulation Hot vaccines can only be put in when it gets cool 4 Check if the refrigerator door has been closed well if the door seal bar is too dirty and the door cannot be sealed well Remove dirt and put on a little talcum powder 5 Frequent opening and extended opening...

Страница 24: ...her and adhere to refrigerator body the same as other places 12 1 9 Why refrigerator cannot be used at low temperature environment When environment temperature is below zero the lubrication ability of freezing oil in refrigerator compressor will decrease the compressor will be difficult to start or cannot be started or Compressor damage may occur 12 1 10 How to know there is problem with compresso...

Страница 25: ...TENANCE SERVICE AND TROUBLE SHOOTING be open If the resistance is much less than the value the motor has there must be short circuit problem inside the motor or the windings are burned PDF created with pdfFactory trial version www pdffactory com ...

Страница 26: ...s too frequent operation time too long but temperature drop in refrigerator is too slow 1 The distance between temperatures sensing tube of temp Controller and evaporator are too big 2 The temperature controller is out of order 3 Food stuffs in the refrigerator too much door opens too frequent and open time too long 4 The environment temperature is too high humidity too high airflow is impeded 5 T...

Страница 27: ...tion absorption cushion for compressor fixing is too tight or too loose or ageing 6 Compressor inside noise is too big or vibration absorption suspending spring is broken 1 Reinforce the floor 2 Make the refrigerator body stable 3 Move the tube a little away to avoid friction 4 Make the screw tight 5 Adjust the degree of tight or loose of vibration absorption cushion or change cushion 6 Change com...

Страница 28: ...e fan 2 Change the fan Electricity leakage of temperature controller 1 The service time is too long 2 The environment is too dirty 3 Humidity is too high 1 Change temperature controller 2 Use brush to remove dust 3 Make the temperature dry and control the environment humidity Temperature controller out of order 1 There is leakage of temperature sensing medium 2 Damage of cam of contacting point sp...

Страница 29: ...igerator problems 12 2 1 Refrigerator cannot be started When switching on power the refrigerator cannot be started Determine first that the failure is caused by inside or outside factors The factors may be 1 Outside factors The fuse is burned or the contact of plug and socket is not well or the voltage is too low The knob of temperature controller is set to off position 2 In side factors Electrica...

Страница 30: ... matter 1 Big fluctuation of voltage The voltage required for proper operation is 220V olts If the voltage is too high the current flowing through the starter will increase accordingly When it exceeds the permissible value the starting contact point will keep in connection state for a long time and cannot be released in time at normal situation the motor starting coil will cut off in about 1s afte...

Страница 31: ...ertain time after starting but it will stop automatically before the temperature reduces before the desired temperature is reached After several minutes it will start again and the electricity consumption increases bad The reason is that the insulation around the motor windings bad 12 3 Service and technical requirements of a R134a refrigerator 12 3 1 Refrigeration equipment requirements The compr...

Страница 32: ...hall not be less than 45 min In case there is leakage of refrigerator if leakage occurs at high pressure end it is repairable Please blow high purity N2 before welding If leakage occurs at low pressure end Check system pressure if the system has no pressure the refrigerator has to be scrapped and change with new one if there is pressure it is repairable 12 3 4 Changing procedure of R134a compresso...

Страница 33: ...e evacuation time shall not be less than 45 min 8 Fill system with R134a according to its original quantity 9 Check if there is any leakage at welded point by using soapsuds 10 Use clean gauze to wipe away welding powder and flux 11 Connect the electrical controlling unit of compressor 12 Mount and adjust temperature controller 13 Switch on power for test run check unit operation 12 3 5 Compressor...

Страница 34: ...e filter dryer of refrigerator should be opened right before use 12 4 Application and maintenance of refrigerator 12 4 1 Product characters 1 Completely green environmental bed type refrigerator uses R134a as the refrigerant which is recognized internationally It has an ozonosphere depletion coefficient ODP 0 New climate type design commercial refrigerator uses wide temperature zone design At 38 1...

Страница 35: ...e and avoiding direct sunlight At the first application please wait some time for operation in summer 6 hours in winter 4 hours when the temperature inside the refrigerator has 5 reached to 15 and below then you can put vaccines in If vaccines is put in too early it may get damaged as the temperature is still high 6 Do not over pack refrigerator 7 Place vaccines by reasonable sorts try to power op...

Страница 36: ...duct 1 The refrigerator needs to be on a separate ground circuit with a 5A minimum carrying capacity 2 If the electrical cable needs to be extended the cross section of extending wire should not be less than 1 5mm2 3 There must be reliable ground connection for the refrigerator ground line is not allowed to connect to water pipe gas pipe etc 4 Once the refrigerator is cut off at least 5 minute mus...

Страница 37: ...efrigerator so water can drain out Compartment down with a dry cloth 4 Cleaning For safety reason please disconnect before cleaning so as to avoid electrical shock or damage to unit 5 When cleaning the refrigerator please use soft cloth or sponge and dip in water or soap water non corrosive neutral detergent is available After cleaning please make it dry by using cloth so as to avoid rust 6 Please...

Страница 38: ... When the rust is removed wipe it with clean towel Then take a brush and dip in alcoholic paint and paint the welded points and pipes 4 Check the casters and change if there is any damage 5 Check the power cord if there is any wear or damage please change 6 Take an avometer and check if the resistance of ground resistor is normal 7 Check the insulation by using if it is abnormal please check the c...

Страница 39: ...er acetylene container and torch kit 3 Thermometer 4 Voltmeter 5 Test pencil 6 Manifold gauges 7 Flathead screw driver 8 Philip screwdriver 9 Needle nose pliers notch pliers sealing pliers 10 Hansen valve 11 Tube cutters 12 5 2 Notice for use R134a filling equipment can only be used specially for R134a refrigerant PDF created with pdfFactory trial version www pdffactory com ...

Страница 40: ...quipment 1 Preparation before use Visually inspect recovery machine for abnormalities etc Keep all valves closed to equipment until really to proceed 2 Evacuation Connect recovery machine hoses to system fittings Switch on power Switch on motor Open all related valves Observe the pointer of vacuum meter when it is accessing the mark 1 Evacuation time shall not be less than 45 min After evacuation ...

Страница 41: ...g quantity close valves 4 Test run After filling turn on power to refrigerator for test run Observe the unit operation Switch off power 12 6 Refrigerator noise 12 6 1 Refrigerator noise sources Refrigerator noise comes from the expanding with heat and contracting with cold of compressor evaporator or condenser from the contacting or resonance of pipes from the flowing of refrigerant or from the vi...

Страница 42: ...ll cause vibration sound At the same time the open and close of steel slice will contacts other parts and also make sound The continuous buzz we heard is this kind of sound 2 When compressor is produced there must be clearance between components When refrigerator is running the existing of clearance will make some components touch and gives out sound Especially at starting and stopping the forces ...

Страница 43: ... sometimes make the body contact its shell and makes sound This situation is of shore duration 6 The electromagnetic sound a hermetically sealed motor is relatively small 12 6 3 How is the sound of water flowing generated Answer When liquid refrigerant is flowing especially through the evaporator there will sound like water flowing This sound is different for the evaporator used and assembly techn...

Страница 44: ... cold of condenser and evaporator or the sound of ice at evaporator surface because of sudden heat or cold This sound may occur at the following situations 1 Newly bought refrigerator the internal stress of materials has not been eliminated With time going on the stress of materials will disappear and it is less possible to make this sound 2 Temperature in the refrigerator is not uniform just afte...

Страница 45: ...locked by dirt brought in by lubrication oil or blocked by freezing lubrication oil because of low temperature For this reason compressor cannot be started or noise will increase after starting and the wear of crankshaft will increase too It is better that refrigerator doesn t stop use Sometimes newly bought refrigerator also has this characteristic After a period operation it will get normal 12 6...

Страница 46: ...arding the side effect of noise to people s health and the technological level refrigerator industry can reach at present standardized stipulations for refrigerator noise is made in national standard GB8059 1 87 family use refrigerator with the volume below 250L noise 52 dB A sound power level The noise at offices we stay everyday or other public places is much higher than this refrigerator noise ...

Страница 47: ...trument is accurate sound level meter A weighted 12 6 12 What s the different between national noise standard 52dB A and ministry of light industry standard 42dB Answer The noise of 52dB A in national standard is the sound power level Under the measuring conditions stipulated in national standard measure the refrigerator noise at four points take the average of indicated reading at greater noise s...

Страница 48: ...different Answer The noise of each qualified refrigerator ex factory is within the range of national standard Different types of refrigerators have different powers compressors used are not the same neither and so their noises are different Even for same type refrigerators as the noise of compressors are different their differences to national standard 52dB A are not the same and the noises are di...

Страница 49: ... in time If it cannot reach the requirement of stabilizing there must be quality problem with it please don t use in case the voltage output is low For the previous reasons refrigerator makes sound at starting and stopping 12 6 15 Why sometimes noise at far distance is greater than at near distance Answer Because the transfer of refrigerator noise has relations with refrigerator position room spac...

Страница 50: ...2 7 National standard for noise There are stipulations in Items 6 5 7 1 and 6 3 6 1 of GB T 8059 3 1995 12 7 1 When refrigerator is running for freezing there will be no obvious noise The noise of sound power level of refrigerator with the volume 250L and below measuring according to the stipulations in item 6 3 6 1 will not greater than 52dB A Sound power level noise of freezing refrigerator with...

Страница 51: ...erator starts again The test environment is semi sound eliminating room Other test field must comply with the stipulations in GB4214 The test of noise is carried out as shown in figure 8 Put sound transfer units to measurement point 1 2 3 4 measure the sound level by sound level meter A weighted Take the greater readings and calculate the average value The arithmetic average value of these four po...

Страница 52: ...tor includes measurement of refrigeration property and measurement of safety requirement of electrical parts The following items must be done before ex factory 1 appearance requirement 2 cooling speed 3 leakage of current 4 insulation resistor cool state 5 electrical intensity 6 starting performance 7 ground resistor 8 sealing performance of refrigeration system 9 documents and accessories Spot te...

Страница 53: ...material and smell 30 firmness of refrigerator and transportation test 12 8 2 Test method and instrument 12 8 2 1 Sealing performance test of refrigeration system In this test refrigerator is put to positive pressure room temperature is 16 32 Leakage inspection instrument is set to 0 5g of yearly leakage check every position of refrigeration system Leakage at any point shall not greater than 0 5g ...

Страница 54: ...shall not exceed 0 1 ohm 12 8 2 5 Leakage of current When testing give 1 06 times rated voltage to the refrigerator and make the test at operation status The test complies with GB4706 1 84 the leakage current testing instrument is made in accordance with the stipulations The leakage current measured shall not exceed 1 5mA 12 8 2 6 Noise test This test is carried out at semi sound eliminating room ...

Страница 55: ...temperature uniformly The temperature of test room is adjustable within the range of 10 43 2 Temperature requirements for different climate refrigerators please refer to table 6 1 Each test point shall keep the stipulated environment temperature the fluctuation range is 0 5K Within the range of 2m heights away from the test platform the vertical temperature gradient shall not exceed 2K m Table 6 1...

Страница 56: ... hydroxyethlmethylcellulose 230g water 764 2g sodium chloride 5g parachlorometacresol 0 8g The freezing point of filling of pack is 1 its thermal property is similar to lean beef 5 Temperature measuring gauge The measuring of temperature normally use platinum resistor There are two types Put the platinum resistor directly into test pack M pack when measuring a Its temperature b Insert the platinum...

Страница 57: ...le for environment test GB6999 86 7 Cooling speed Leave the refrigerator at test room room temperature is 32 the inner temperature of refrigerator gets balance with room temperature temperature difference 1K Close refrigerator door and let the refrigerator running continuously Record the time needed for storage temperature tm to reach tm max in accordance with table 13 3 cooling temperature tm to ...

Страница 58: ...rated Other tests to be done the measurement of temperature of storage 10 Refrigerator and freezing refrigerator test of storage temperature ice producing ability etc Table 6 3 Storage temperature of refrigerator Storage Cabin Climate type Climat e type Environme nt temp t1 t2 t3 tm max Cooling cabin Freezing cabin 10 Sub temp erate SN 32 1 t1 t2 t3 10 7 16 Temperat e N 32 0 t1 t2 t3 10 5 8 tcm 14...

Страница 59: ...Refrigerator Model HBC 70 200 India ５８ EXPLODED VIEW Exploded View PDF created with pdfFactory trial version www pdffactory com ...

Страница 60: ...Refrigerator Model HBC 70 200 India ５９ EXPLODED VIEW Exploded View PDF created with pdfFactory trial version www pdffactory com ...

Страница 61: ...70808728 inner tank HBC 70 1 0 0 x 12 0070504234 foam frame back HBC 70 1 0 0 x 13 0070504230 foam frame left HBC 70 1 0 0 x 14 0070504235 foam frame bottom HBC 70 1 0 0 x 15 0070504233 foam frame front HBC 70 1 0 0 x 16 0070504237 foam frame stand HBC 70 1 0 0 x 17 0070504238 foam frame mid HBC 70 1 0 0 x 18 0070504229 foam frame right HBC 70 1 0 0 x 19 0070103231 Lock nose HBC 70 1 0 0 20 007705...

Страница 62: ...apacitor HBC 70 1 0 0 40 cover HBC 70 1 0 056 0 056 41 starting relay HBC 70 1 0 0 42 cord relief HBC 70 1 0 0 Compressor accessories 43 0070301331 compressor HBC 70 1 0 777 0 116 44 0079020006 Hot shorten tube HBC 70 1 0 0 x 45 0074180002 Filter drier HBC 70 1 0 140 0 280 46 0071210004 Engine room cover HBC 70 1 0 0 x 47 0072130038 Washer HBC 70 1 0 0 x 48 0077010036 Screw HBC 70 1 0 0 x 49 00780...

Страница 63: ...and should be marked with 3 possible damaged The spare part which is not often damaged like the easy damaged one and the customer may stock in the spare part warehouse accord with the actual case should be marked with 4 not need provided The spare part which is seldom damaged or the maintenance man could not maitmains The spare parts may be air freighted by the factory if they were damaged The cus...

Страница 64: ..._packs HBC 200 49 0 0 x 12 0070808729 inner tank HBC 200 1 0 0 x 13 0070504232 foam frame back HBC 200 1 0 0 x 14 0070504230 foam frame left HBC 200 1 0 0 x 15 0070504236 foam frame bottom HBC 200 1 0 0 x 16 0070504231 foam frame front HBC 200 1 0 0 x 17 0070504237 foam frame stand HBC 200 1 0 0 x 18 0070504238 foam frame mid HBC 200 1 0 0 x 19 0070504229 foam frame right HBC 200 1 0 0 x 20 007010...

Страница 65: ...ies 44 0070301332 compressor HBC 200 1 0 777 0 116 45 0075030020 Fan HBC 200 1 0 050 0 100 46 0070701369 Condensor HBC 200 1 0 063 0 100 47 0074090030 connector tube HBC 200 1 0 056 0 056 X 48 0070701365 Discharge tube HBC 200 1 0 056 0 056 X 49 0077050021 Screw HBC 200 2 0 0 x 50 0077050003 nut HBC 200 2 0 0 x 51 0079020006 Hot shorten tube HBC 200 1 0 0 x 52 0074180002 Filter drier HBC 200 1 0 1...

Страница 66: ...and should be marked with 3 possible damaged The spare part which is not often damaged like the easy damaged one and the customer may stock in the spare part warehouse accord with the actual case should be marked with 4 not need provided The spare part which is seldom damaged or the maintenance man could not maitmains The spare parts may be air freighted by the factory if they were damaged The cus...

Страница 67: ...Refrigerator Model HBC 70 200 India ６６ PDF created with pdfFactory trial version www pdffactory com ...

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