Haier HFH-50 Скачать руководство пользователя | Manualshive

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PARTS IDENTIFICATIONS

1. Work surface/cover plate 2. temperature controller 3. Freezing compartment

4.Storage element 5. Door of freezer compartment 6. Compressor

7.

Defrost water collection tray

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Содержание HFH-50

Страница 1: ...NG SERVICE Refrigerator SERVICE MANUAL Features 1 Mechanical temperature control 2 Front positioned adjustable thermostat 3 100 HFC free and FCKW free 4 External condenser and adjustable feet 5 Reversible door with magnetic seal 6 Crystal crisper drawers MODEL HFH 50 Haier Group ...

Страница 2: ...ENTS CONTENTS 1 SAFETY PRECAUTIONS 2 SPECIFICATIONS 4 PARTS IDENTIFICATIONS 6 SYSTEM FLOW PRINCIPLE 7 CIRCUIT DIAGRAM 8 MAINTENANCE SERVICE AND TROUBLE SHOOTING 9 ANALYSIS OF TROUBLES AND TROUBLESHOOTING 13 ...

Страница 3: ...ssor or an abnormal sound from the compressor in operation In this condition an automatic voltage regulator over 750W should be added 11 Take care not to damage the supply line Don t yank at the line pull the plug out gently from the receptacle Don t press the line under the cabinet or step on it Take care not to roll on or damage the supply line when moves the machine from the wall 12 Don t use t...

Страница 4: ...it at a damp place else the insulation of the refrigerator may be impaired 21 Any disassembly or alternation to the refrigerator is strictly forbidden Damage to the refrigeration pipeline is prohibited Service to the refrigerator must be carried out by professionals 22 Don t put bottles of bear and other drinks into the refrigerator else the bottles may be cracked with cold 23 Pull out the plug of...

Страница 5: ...l A automatic Fridge Freez H Defrost water outlet Air circulating ventilator N Kind of coolant R134a R600a R600a Foaming components C P 3 Technical data Voltage frequency V Hz 220 240 V 50 Input power mains fuse minimum W A 220 240 V 0 6 Temperature range from to Fridge Freez C 18 4 Aesthetics Colours see L Top cover Cabinet White Door Frame White Fascia panel Handle White Inside door drawers w wh...

Страница 6: ...e thermostat Yes Fast freeze switch Interior light W Adjustable feet front rear n front Castors front rear 6 Product dimensions Unit dimensions H W D cm 51 47 45 Depth with open door cm 860 Net weight kg 18 0 7 Packing dimensions loadability Packing dimensions H W D cm 53x 52 x46 5 Gross weight kg 20 0 8 Recycling symbols Carton weight in g kg 2 9 Service Users instruction languages S G F I E 10 O...

Страница 7: ...PARTS IDENTIFICATIONS 1 Work surface cover plate 2 temperature controller 3 Freezing compartment 4 Storage element 5 Door of freezer compartment 6 Compressor 7 Defrost water collection tray ...

Страница 8: ...f Refrigerating Principle 2 Brief Description of System Flow Chart 3 6 series is a direct cooling single system refrigerator which has a freezer compartment When the refrigerator is just powered on the refrigerant flows in the sequence 1 2 3 4 5 ...

Страница 9: ...CIRCUIT DIAGRAM CIRCUIT DIAGRAM ...

Страница 10: ...MAINTENANCE SERVICE AND TROUBLE SHOOTING ...

Страница 11: ... distinctly at night 3 The compressor consists of an electric motor and a compressing apparatus During its normal operation the motor s stator core and windings will rise to a temperature in the range of 100 110 and the temperature of the piston and cylinder of the compressing mechanism can also reach as above 100 due to the heat produced when compressing refrigerant Most of the heat radiates to t...

Страница 12: ...indicating that the motor cannot be started normally meanwhile a clattering sound can be heard from inside the start relay which is produced because the start contacts cannot be released normally A whistling sound is caused by the high pressure gas flowing out of the crack of the pressure tube inside the compressor and clucks are the sound of striking after the suspended spring inside the compress...

Страница 13: ...t meshes of its screen has been clogged resulting in an obstructed flowing of refrigerant thus causing a drop in temperature due to throttling d Feel the temperature of exhaust gas from the refrigerating system the exhaust gas should be very hot and this is the normal working state For those refrigerator with enclosed type of compressor refrigerating system no frost or dew drop will from on the ga...

Страница 14: ...m ain control board is norm al W hether each contact of m ain control board is norm al T ighten each contact and test m achine again Y Trouble of lighting and display system A djust the grade according to fact C om pressor is open circuit or short circuit Inner trouble of com pressor If it is infinite or 0 then the starter is out of w ork H eat protector is out of w ork C apacitance is out of w or...

Страница 15: ...tion to those parts that are liable to leak check main connection points for oil seepage and tubing for cracks If there is no severer leak point charge the system with nitrogen and detect leak points with the commonly adopted method repair them evacuate charge the system with refrigerant and then turn on the refrigerator to make a test run 2 Too much refrigerant charged into the system ANALYSIS OF...

Страница 16: ...igh and low pressures with pressure gauges to see whether they are Normal If an abnormal sound comes from the compressor or the temperature of its Causing is too high Cut the discharge port open and operate the compressor feel it if There is pressure at the discharge port with your finger For a normal compressor its Discharge port is difficult to be blocked with your finger if you just apply a lit...

Страница 17: ... replacing the dry filter with a new one or clearing it thoroughly recharge the system with refrigerant and seal the charging port B No Refrigerating The phenomenon that the compressor runs normally but no frost or only a little frost appears on the evaporator and the refrigerator temperature does not drop down is called no refrigerating There are many causes for this trouble and it is relatively ...

Страница 18: ... charge the system with the filtered refrigerant However the commonly adopted method is to connect a filter with moisture absorbers such as silica gel anhydrous calcium chloride to the refrigerating system so as to filter out the moisture from the system then replace the filter evacuate it again and finally charge the system with refrigerant b Clogged with dirt in capillary ANALYSIS OF TROUBLE The...

Страница 19: ...es stop the compressor at once and if technique is available open the cylinder cover and check up the valve block repair it or replace it with a new one C Sudden stop of Compressor during Its Running The cause of sudden stop of a compressor during its running is mostly that the gas suction pressure and or discharge pressure exceed their respective prescribed ranges thus making a pressure operated ...

Страница 20: ...rmally If this cannot be achieved and the stoppage still occurs repeatedly it is most likely that the mechanical parts or contacts are out of order disassemble the thermostat make a thorough checkup and repair it b Overload of electric motor ANALYSIS OF TROUBLE Probably too many things have been put into the refrigerator and hence the thermal load exceeds its refrigerating capacity or in case the ...

Страница 21: ... value it will be difficult to start the motor and a hum sound can be heard from it REMEDY Measure the voltage with a voltmeter if it is really too low give directions to the user for buying a stabilizer so as to step up the voltage thus normal operation can be achieved 3 Check the thermal relay to see whether its contacts are closed ANALYSIS OF TROUBLE Three suspended spring inside the compressor...

Страница 22: ...l these will cause poor contact in electricity REMEDY Dismantle it to repair or replace it with a new one c Poor electric contactor in thermostat ANALYSIS OF TROUBLE Burnout of contactor and leakage of temperature sensing agent may occur generally REMEDY Replace the old with a new one d Check the terminals for loose connection and electric circuits for other abnormal phenomena 5 Mechanical faults ...

Страница 23: ...t reach its rated value the thermostat won t work thus the compressor runs continuously When the evaporation temperature in the system is too high the temperature sensing agent in the temperature sensor is also hotter therefore the thermostat is unable to cut off the power supply to the compressor and stop it REMEDY If it has been found that the refrigerant in the system is insufficient in quantit...

Страница 24: ...arts with your hand Test the refrigerator with a test pencil it will light up intensively measure the resistance between the power cord plug and the case body with an avometer the reading will be zero 0 in the worst case the fuse will be blown Check the 3 prong outlet to see whether the live wire and the null line are inversely connected this makes the ground protection lead out from the power cor...

Страница 25: ...zer poor cooling Display section for freezer appear F4 enclosed bar of freezer gap or broken Maintain technics of sensor Repair the Enclosed bar Check and adjust the circuitry Open the switch of equalize low temperature Conduct user to use it properly Maintain technics of sensor Repair the Enclosed bar Y N Y N Y N Y Y N N Y Y Y Y Y N Y Y N N Y If it抯mechanical refrigerator change the tache of disp...

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