Haier BD-203GAA Service Manual Download Page 15 | Manualshive

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Haier BD-203GAA Service Manual Download Page 15

SERVICE MANUAL

Model: BD-203GAA

15

Issue 2009-12-17

Rev.

Ref0912S017V0

Chapter 6 System flow principle

6-1. Refrigeration flow chart

The refrigeration system of direct cooling single-system cooler belongs to the category of a

single-temperature and single-control refrigerating system with one evaporators and is controlled by a

single temperature control.

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Summary of Contents for BD-203GAA

Page 1: ...ans only and is not designed for use by the general public It dose not contain warnings and cautions to advice non technical individuals of potential dangers in attempting to service a product Product powered by electricity should by serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by a...

Page 2: ... 2 Adjusting 9 3 3 Electrical Requirement 9 3 4 Operating 10 3 5 Cleaning 10 4 Disassembly 11 4 1 Door assembly Door hinge hinge cover 11 4 2 Compartment Grill assembly 11 4 3 Control panel assembly Panel cover board knob indicator light 12 4 4 Thermostat assembly 12 5 Control and display system 13 5 1 Control and display panel 13 5 2 Starting the Freezer 14 6 System flow principle 15 6 1 Refriger...

Page 3: ...SERVICE MANUAL Model BD 203GAA 3 Issue 2009 12 17 Rev Ref0912S017V0 8 1 Normal phenomena 19 8 2 Abnormal phenomena 20 8 2 1 Compressor doesn t start 20 8 2 2 Poor cooling 21 ...

Page 4: ...void potential electrical shock 4 Confirm the rated current voltage and capacity before testing with any kinds of instruments 5 Watch if the upper door is open when you check something at a lower position 6 Take out every part in the cabinet before moving the machine especially things like panels e g glass shelf 7 Please wear intact cotton gloves when repair any parts of the evaporator so that scr...

Page 5: ...ent damage to the compressor caused by continuous restart Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products which may differ from your products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons The meaning of each icon is described in the table below Note A note provides information that is not indispensable Cauti...

Page 6: ... capacity 207 Total net capacity 205 Freezing capacity kg 24h 18 Energy consumption year 223 Max storage time at breackdown 37 Defrosting Manual Automatic Manual Kind of coolant R134a R600a R600a Foaming components R141b C P C P 3 Technical data Voltage frequency 220 240 50 Input power currency 85 0 45 Lenght of cable incl plug 150 155 Temperature range from to 18 DIN 8950 resp 8953 Energy consump...

Page 7: ...ain Interior light Optional Calendar Adjustable thermostat Fast freeze lamp yellow On light green Breakdown light red Fast freeze switch Freezer temperature warning indicator LED by sound Thermometer Outside In partition Maximum loading level marking Adjustable feet front rear unable adjustable feet Mobility wheels front rear Optional Flush back skin evaporator 6 Product net dimensions Unit dimens...

Page 8: ...SERVICE MANUAL Model BD 203GAA 8 Issue 2009 12 17 Rev Ref0912S017V0 2 2 External views ...

Page 9: ...amage the compressor and the sealed system 4 If freezer 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 5 Proper Air Circulation To assure the freezer works at the maximum efficiency it was designed for you should install it in a location where there is proper air circulation Plumbing and electrical connections The fo...

Page 10: ... of the freezer is a high quality baked on paint finish With proper care it will stay new looking and rust free for years Apply a coat of appliance polish wax when the freezer is new and then at least twice a year Appliance polish wax also works well to remove tape residue from freezer surfaces Keep the finish clean Wipe with a clean cloth lightly dampened with appliance polish wax or mild liquid ...

Page 11: ...r hinge hinge cover 1 Unscrew the hinge cover screw with screwdriver take away the top and bottom cover by pull it and then unscrew the screws on the hinge so the whole hinge could be moved 4 2 Compartment Grill assembly Unscrew the two screw of grill we can take away the grill Top hinge cover Bottom hinge cover ...

Page 12: ...tor inside when the clip falls off the cabinet and take off the control panel and the connective wire cord with an acutilingual plier 4 4 Thermostat assembly First take off the knob refer 4 3 Use turnbuckle spanner or acutilingual plier unscrew the turnbuckle then thermostat can be moved from back of panel Note When assembly thermostat you should placed thermostat in originally direction ...

Page 13: ...at is meant by each light up Green CONTROL The appliance is under current and operating The green control light must always be on when the appliance is connected to the mains and switched on It is very important to pay attention to this because in the event of a power failure the red and yellow lights stop operating and do no longer provide a warning Red ALARM Interior temperature too high If the ...

Page 14: ... manual Yellow SUPER FREEZE SWITCH When the super freezer switch is on and the thermostat function is disabled The compressor continues cooling until the SUPER FREEZE switch is turned off again 5 2 Starting the Freezer 1 Clean the inside of the freezer with a mild solution of baking soda and water 2 Connect cord to power outlet 3 On models with a Temperature Monitor or High Temp Alarm Switch set t...

Page 15: ...r 6 System flow principle 6 1 Refrigeration flow chart The refrigeration system of direct cooling single system cooler belongs to the category of a single temperature and single control refrigerating system with one evaporators and is controlled by a single temperature control ...

Page 16: ...SERVICE MANUAL Model BD 203GAA 16 Issue 2009 12 17 Rev Ref0912S017V0 6 2 Refrigeration flow scenograph ...

Page 17: ...SERVICE MANUAL Model BD 203GAA 17 Issue 2009 12 17 Rev Ref0912S017V0 Chapter 7 Circuit diagram 7 1 Brief principle diagram ...

Page 18: ...lid open Too frequent or too long door lid openings Reduce the time of opening the door lid Temperature control set too cold See About the operation of the freezer Inadequate air circulation space around cabinet See Preparing to install the freezer Fast Freeze switch is in the ON position on some models See About the operation of the freezer Noisy operation or cabinet vibrates Floor may be weak ca...

Page 19: ...on of the freezer Moisture forms on outside of cabinet Not unusual during periods of high humidity Wipe surface Interior light does not work on some models No power at outlet Replace fuse or reset the breaker Freezer is unplugged Push the plug completely into the outlet Light bulb burned out Replace bulb Door lid wont fully close by itself Package holding door lid open Store only corrects quantity...

Page 20: ...is tight contact is good Whether input and output voltage of main control board is normal Whether each contact of main control board is normal Tighten each contact and test machine again Y Trouble of lighting and display system Adjust the grade according to fact Compressor is open circuit or short circuit Inner trouble of compressor If it is infinite or 0 then the starter is out of work Heat prote...

Page 21: ...8 2 2 Poor cooling ...

Page 22: ...SERVICE MANUAL Model BD 203GAA 22 Issue 2009 12 17 Rev Ref0912S017V0 Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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