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Haier BCD275, Service Manual

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Haier BCD275 Service Manual Download Page 4

 

4

Model BCD311 

EAN NO. 0-51673-00311-9 

 

 
 

Model BCD311 

Cavity Size (Cubic Feet) 

11.0 

Power Supply (V/Hz) 

115~/60 

Power Consumption (kW h/year) 

464 

Unit Dimensions (WDH) in 

23.6x25.8x64.0 

Unit Weight (Lbs) 

154.3 

Box Dimensions (WDH) in 

25.8x28.4x66.4 

Box Weight (Lbs) 

166.3 

Box Cubic (Cubic Feet) 

28.16 

Container Quantity (40'St) 

75 

 

Specifications are subject to change without prior notice. 
 

Summary of Contents for BCD275

Page 1: ...1 HAIER REFRIGERATOR Service Manual PART RF 8888 221 HAIER AMERICA TRADING LLC www haieramerica com ...

Page 2: ...2 Table Of Contents Contents 2 Model Specification 3 Model Specification 4 Refrigerating Principle 5 Troubleshooting And Repair 6 ...

Page 3: ...et 9 7 Power Supply V Hz 115 60 Power Consumption kW h year 453 Unit Dimensions WDH in 23 6x25 8x58 7 Unit Weight Lbs 147 7 Box Dimensions WDH in 25 8x28 4x61 1 Box Weight Lbs 158 7 Box Cubic Cubic Feet 25 91 Container Quantity 40 St 77 Specifications are subject to change without prior notice ...

Page 4: ...er Supply V Hz 115 60 Power Consumption kW h year 464 Unit Dimensions WDH in 23 6x25 8x64 0 Unit Weight Lbs 154 3 Box Dimensions WDH in 25 8x28 4x66 4 Box Weight Lbs 166 3 Box Cubic Cubic Feet 28 16 Container Quantity 40 St 75 Specifications are subject to change without prior notice ...

Page 5: ...y of dual temperature and single control refrigerating system The heat conducting area of the corresponding evaporator determines the refrigerating capacity of its refrigerator compartment or freezer compartment After being throttled by the capillary the low pressure refrigerant flows through the refrigerator compartment evaporator finally it returns to the compressor and thus completing the whole...

Page 6: ...ture of a current dead weight start relay when the compressor is started The compressor motor makes a clicking sound while it is running This sound is faint in the daytime but becomes louder at night Hot Refrigerator Parts The compressor consists of an electric motor and a compressing apparatus During its normal operation the temperature of the motor s starter core and windings will range between ...

Page 7: ... stain will be seen Check the suction and the exhaust pressure valves high pressure and low pressure of compressor to see whether they are normal Check the conditions of the frost attached to its evaporator and gas return tube It is abnormal if frost has formed on part of the evaporator or there is no frost attached to it Pay attention to the rate at which the temperature decreases in both the ref...

Page 8: ...s leaking If the condenser is hot for only a few minutes and then cools down the filter and capillary are clogged If hot air is blown out of the forced air cooling condenser the system is out of order Feel the filter s temperature Normally the temperature on the filter s surface should be a little higher than the ambient temperature If the filter is lower than the ambient temperature then the mesh...

Page 9: ...ctric current of the compressor rises frost forms on the evaporator and gas return tube and the refrigerator temperature drops slowly If excessive refrigerant has been charged the liquid refrigerant that cannot evaporate in the evaporator will return to the compressor This will cause liquid striking The liquid refrigerant evaporates and effervesces as soon as it flows into the refrigerating oil at...

Page 10: ...off and prepare for defrosting Open the refrigerator s door to let air inside or use a fan to speed up air moving into the refrigerator to quicken the defrosting process Never strike the frost layer with any iron tools or wooden stick in order not to damage the evaporator tubing 6 Refrigerating oil in evaporator tubing Analysis of Trouble During the refrigerating cycles small amounts of refrigerat...

Page 11: ...porator and No gas gushes out of the process tube when cut after shutdown Remedy Check the whole machine particularly those locations which are liable to leak After leak points have been found repair them or replace them with new parts according to specific circumstances Then evacuate the system and finally charge refrigerant 2 Refrigerating system is clogged with ice Analysis of Trouble This is t...

Page 12: ... suction and discharge valve blocks Analysis of Trouble The compressor works by opening and closing the gas suction valve and discharge valve to suck and discharge the refrigerant If the valve block is broken the refrigerant cannot be discharged This prevents refrigeration Remedy It is quite difficult to differentiate this trouble from others because they have similar symptoms When repairing liste...

Page 13: ... system The third possibility is that there are leak points at the low pressure end of the refrigerating system Leak points appear in low temperature parts or assemblies This is because the evaporation temperature is lower for such low temperature devices especially at the low pressure end it is easier for the air to go into the system Once it has been ascertained that air does exist in the system...

Page 14: ... supply circuit for instance power failure poor contact of switch and blown fuse Make a comprehensive analysis of these phenomena find out its real cause and take corrective measures to resolve the problem Remedy Check the input power circuit to see whether there is voltage in the power supply note the circuit that is connected to the knife switch This can be determined with a voltmeter or a test ...

Page 15: ... are damaged or there is a short circuited between turns Analysis of Trouble When motor windings are damaged or there the occurrence of a short circuit between turns the fuse will be blown repeatedly and the blowout particularly occurs at that instance where you close the knife switch Remedy Check the terminals and the outer casing to see whether they are short circuited and measure the resistance...

Page 16: ...un without end If the food placed in the refrigerator is not too much there may be the following two situations I Control system is probably out of order ii The control system works normally but there are problems in the refrigerating system or other parts a Temperature is set improperly The temperature control knob is set to the coldest position This position is to be used for fast freezing or co...

Page 17: ...e temperature in the refrigerator will rise and makes the compressor run continuously Remedy Check the heat insulation layer for damaged parts Repair it if damaged to improve its heat insulation property If the door has deformed or the door seal is not tightly sealed against the case body repair them e Too much food is placed in the refrigerator or is placed too densely resulting in poor ventilati...

Page 18: ...vibration and noise during its operation b Leveling screws not properly adjusted If the leveling screws on refrigerator legs have not been adjusted properly vibration and noise will still occur even if the refrigerator has been placed on a level ground 2 Abnormal noise from compressor Three suspended spring inside the compressor case are out of balance and strike against the case moreover the wear...

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