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FREEZER

Service Manual

……………..

Features

Energy efficiency

Micro foam technology

Low noise operation

Thick insulation for energy efficiency

Haier Group

Serial number: ER03SM0120-17

Version number: 00.00

Edition: 2003-01-20

Models:

HF-120T

HF-120TA

HF-180T

HF-180TA

HF-240T

HF-240TA

102102429

(HF-240TA)

Содержание 102102429

Страница 1: ...ciency z Micro foam technology z Low noise operation z Thick insulation for energy efficiency Haier Group Serial number ER03SM0120 17 Version number 00 00 Edition 2003 01 20 Models HF 120T HF 120TA HF 180T HF 180TA HF 240T HF 240TA 102102429 HF 240TA ...

Страница 2: ... Introduction 2 3 Specifications 3 4 Safety precautions 4 5 Parts and Functions 7 6 Function Schedule 8 7 System Flow Chart 9 8 Circuit Diagram 10 9 Program Diagram 11 10 Maintenance Service and Trouble Shooting 12 11 Exploded View 32 12 List of Parts 33 CONTENT ...

Страница 3: ...oduct code illumination and Series Introduction H F 240 TA 102102429 Haier product Freezer Gross capacity according to export country standard Product code illumination and Series Introduction Serial Number ...

Страница 4: ...50 220 240 50 220 240 50 Rated Input Power W 90 110 120 Power Consumption kW h 24h 0 60 0 63 0 67 Net Weight kg 45 55 63 Gross Weight kg 53 68 79 Unit Dimension D W H mm 600x600x850 600x600x1134 600x600x1467 Packing Dimension D W H mm 700X675X920 690X685X1215 690X685X1550 Container Quantity 40 PCS Container Quantity 40 HC PCS 144 102 74 Specifications ...

Страница 5: ...4 Safety precautions Safety precautions ...

Страница 6: ...5 Safety precautions ...

Страница 7: ...6 Safety precautions ...

Страница 8: ...7 Parts and Functions A Foamed Cabinet B Short Drawer C Long Drawer D Lower Plate E Control Panel F Foamed Door Parts and Functions ...

Страница 9: ...8 Function Schedule z Energy efficiency z Micro foam technology z Low noise operation z Thick insulation for energy efficiency Function Schedule ...

Страница 10: ... diagram of System Flow Chart 2 Brief Description of System Flow Chart HF 120T 180T 240T is a direct cooling single system freezer When the freezer is just powered on the refrigerant flows in the sequence 1 2 3 4 5 System Flow Chart ...

Страница 11: ...iagram 1 Schematic Circuit Diagram Brief Description of Control Principle Circuit Diagram A STECKER B GEFRIERSENSOR C RAUMSENSOR D SCHALTTAFEL E ÜBERBELASTUNGS SCHUTZAPPARAT F KOMPRESSOR G PTC H LAUFENDE KAPAZITANZ ...

Страница 12: ...ES If compressor can run naturally and temperature raising of condenser is very low YES NO No cooling If compressor can run after it stop to run five minutes and give power NO When charging refrigerant we must notice to make refrigerant true Refrigerant leak check and repair charge refrigerant again Check and repair according to the section of the compessor doesn t work ...

Страница 13: ...es or there are more fresh food inside Check and repair the main control panel NO Is cooling capacity insufficient YES YES NO Comprossor doesn t stop Does the refrigerator refrgerate NO Adjust and instruct consumer how to use NO Check and repair according to the section of Cooling capacity is insuffcient Check and repair according to the section of No cooling Maintenance Service and Trouble Shooti...

Страница 14: ...nt YES Repair Does the refrigerant leak siowly NO Is the ambient temperature low than 16 YES Adjust and instruct consumer how to use Check the therostat is correct Cooling capacity is insufficient Maintenance Service and Trouble Shooting ...

Страница 15: ... panel Does the compressor has 220V power output Check and repair compressor and accessory YES YES NO Check all cords and power cords Is the ambient temperature low than 16 Does the refrigerated room lamp illuminate when the door is opened The compressor doesn t work YES NO YES YES NO Repair Adjust and instruct consumer how to use NO Maintenance Service and Trouble Shooting ...

Страница 16: ... greater after the compressor has just stopped running the refrigerant will flow for a certain time therefore this sound is a normal phenomenon 2 A click sound can often be heard from the refrigerator This is a normal sound produced by the pull in or release of the armature of a current deadweight start relay when starting the compressor The compressor motor will produce a slight and uniform sound...

Страница 17: ...roubles should be determined according to their respective features therefore experience in servicing is very important to troubleshooting Service technicians with rich experience can correctly locate them and take reasonable remedy measures based on their comprehensive analysis of trouble characteristics as well as operating conditions for various kinds of refrigerators Three Essentials for Check...

Страница 18: ...ng this is the sound produced by the normal circulation of refrigerant within the evaporator In case only the gas flowing sound can be heard and there is no water flowing sound this indicates that the refrigerant has already percolated If neither the flowing sound nor the gas sounds from the evaporator can be heard this means that the filter or capillary has been clogged 3 Touch and Feel a Feel th...

Страница 19: ...method you can reject some suspicious troubles and finally make a correct judgment 7 Analysis of Troubles and Troubleshooting A Poor Refrigerating Effect The so called poor refrigerating effect refers to the fact that the refrigerator can operate and refrigerator normally but the temperature in the refrigerator cannot drop to the prescribed value under the stipulated working conditions In view of ...

Страница 20: ...e liquid refrigerant that cannot evaporates in the evaporator will return to the compressor and thus a phenomenon of liquid striking will occur The liquid refrigerant evaporates and effervesces as soon as it flows into the refrigerating oil at the bottom of compressor If the condition is severe foams will fill all over inside the compressor housing and be sucked by the piston causing damage to the...

Страница 21: ...he frost layer on the evaporator tubing will become thicker and thicker Heat conduction will be severely affected when the whole tubing is wrapped with a transparent ice layer and finally the temperature in the refrigerator cannot drop down to the prescribed range Remedy Turn the refrigerator off and make preparations for defrosting open the refrigerator door to let the air come in or use a fan to...

Страница 22: ...efrigerating 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 complicated too In servicing special attention to finding direct causes for this phenomenon Three main potential causes for this trouble ...

Страница 23: ...tently sometimes the refrigerator works well and sometimes not well In order to determine whether it is clogged with ice heat the suspicious points with hot water to make ice melt and after a while if a gas flowing sound resulting from an abrupt gush is heard and the gas suction pressure rises as well it can be confirmed that the trouble is caused by ice clogging Remedy If there is too much moistu...

Страница 24: ...sor a Breakage of gas suction and discharge valve blocks Analysis of Trouble The compressor works by means of the opening and closing of gas suction valve and discharge valve to suck and discharge the refrigerant If the valve block is broken the refrigerant can not be discharged and hence no refrigerating can be achieved Method for making judgement It is quite difficult to differentiate this troub...

Страница 25: ...em will circulate together with the refrigerant in the system The major symptoms caused by this residual air is higher gas discharge pressure higher discharged gas temperature the gas discharge tubing is considerably hot when you feel it with your hand and poorer refrigerating effect Furthermore the gas discharge pressure will exceed its normal value when the compressor has run for a period not to...

Страница 26: ...on Analysis of Trouble The compressor current is within its normal range but the thermal protector actuates repeatedly Remedy Replace the thermal protector with a new one 3 Sudden stoppage due to other causes Normal Stoppage Start and stop of the compressor is generally controlled by a thermostat When the temperature in the refrigerator reaches its desired value the thermostat will shut down the c...

Страница 27: ... 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 The contacts of thermal relay sometimes may be open due to the leakage of temperature sensing agent from the temperature sensor Remedy Remove the relay cover to check up its contacts if they are open this means that the original setting is not properly ...

Страница 28: ...ch ad insufficient quantity of lubricant clogging in the lubricant oil line or intermittent lubricant oil supply Dirt and other impurities in the lubricant oil will increase its viscosity and cause the shaft to be seized Copper plating may also result in seizing of shaft b Seizing of piston This is caused by too small fit clearance between the piston and cylinder or expansion due to heat Judgement...

Страница 29: ... 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 quantity recharge it with refrigerant In case clogging o...

Страница 30: ... between the power cord plug and the case body with an avometer the reading will be zero 0Ω 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 cord plug being connected to the live wire Another possibility is that the live wire and null line of the outdoor ...

Страница 31: ... refrigerator has not been levelly placed put a level meter on its top table and adjust the leveling screws on its legs In case noise occurs from the compressor strike different locations on the side surface of its case using a rubber hammer or hand hammer with a wood block in between so as to determine whether the suspended springs are out of balance or being seized Maintenance Service and Troubl...

Страница 32: ...Exploded View ...

Страница 33: ...102102429 1 0 00 0 00 14 0067266058 Thin tube sleeve 102102429 1 0 00 0 00 15 0060802834 Cable clip 102102429 3 0 00 0 00 16 0067403142 Return gas tube shock pad 102102429 2 0 00 0 00 17 0060700241 Compressor 102102429 1 1 79 1 79 18 0060611042 Power cable assembly 102102429 1 0 03 0 03 19 0060106659 Injection tube 102102429 1 0 00 0 00 20 0060203004 Heat contraction tube sleeve 102102429 1 0 00 0...

Страница 34: ... 0 00 50 0060600097 Screw 102102429 4 0 00 0 00 x 51 0060908001 Door handle assembly 102102429 1 0 01 0 01 52 00601220169 Freezer foamed door 102102429 1 0 00 0 00 53 0060503651 Packing carton 102102429 1 0 00 0 00 54 0060503625 Operation instructions 102102429 1 0 00 0 00 x 1 If the color of the Spare parts number is red it means that the number has been changed it should be paid more attention w...

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