Haier BD-379GAA Service Manual Download | Manualshive

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SERVICE MANUAL

Model: BD-379GAA

13

Issue 2009-12-14

Rev.

Ref0912S018V0

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-379GAA

Page 1: ...chnicians 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 informatio...

Page 2: ... and draining 8 3 3 Cleaning the freezer 9 4 Disassembly 10 4 1 Door assembly Door hinge hinge cover 10 4 2 Compartment Grill assembly 10 4 3 Control panel assembly Panel cover board knob indicator light 11 4 4 Thermostat assembly 11 5 Control and display system 12 5 1 Control and display panel 12 5 2 Starting the Freezer 12 6 System flow principle 13 6 1 Refrigeration flow chart 13 6 2 Refrigerat...

Page 3: ...hock 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 scratches by the sharp fins ca...

Page 4: ...ontinuous restart 1 2 2 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 the products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below Note A note provides ...

Page 5: ...star rating Approvals VDE TÜV IMQ NF ÖVE DEMKO etc CE GS 2 Key features Gross capacity l 384 Total net capacity l 379 Freezing capacity kg 24h kg 24h 24 Energy consumption year kWh year 308 Max storage time at breakdown h 35 Defrosting Manual Automatic Manual Kind of coolant R134a R600a R600a Foaming components R141b C P C P 3 Technical data Voltage frequency V Hz 220 240 50 Input power currency W...

Page 6: ... Anodized Aluminum Insulation Lid thickness cm 7 8 Walls thickness cm 7 Baskets number n 2 metal Defrost drain Interior light Adjustable thermostat Fast freeze lamp yellow On light green Breakdown light red Fast freeze switch Adjustable feet front rear n unable adjustable feet 6 Product net dimensions Unit dimensions H W D cm 85 5 124 74 5 Net weight kg 67 7 Packing dimensions load ability Packing...

Page 7: ...SERVICE MANUAL Model BD 379GAA 7 Issue 2009 12 14 Rev Ref0912S018V0 2 2 External views Handle Lid Control panel ...

Page 8: ... efficiently do not permit more than 1 2 13 mm of frost to accumulate on the shelves To remove frost scrape with a plastic or wood spatula or scraper Do not use an ice pick or sharp edged instrument as it may damage or scratch the freezer Do not use any electrical device in defrosting the freezer For Complete Defrosting 1 Turn the temperature control to the OFF position and unplug the freezer 2 Re...

Page 9: ...sh wax or mild liquid dishwashing detergent Dry and polish with a clean soft cloth Do not wipe the freezer with a soiled dishwashing cloth or wet towel Do not use scouring pads powdered cleaners bleach or cleaners containing bleach Inside Clean the inside of the freezer at least once a year We recommend that the freezer be unplugged before cleaning If this is not practical wring excess moisture ou...

Page 10: ...r assembly Door hinge hinge cover Disassemble the hinge assembly and the hinge cover the hinge cover take away the cover and then screw off the eight screws on the bottom hinge so the whole hinge could be moved 4 2 Compartment Grill assembly Unscrew the two screw of grill you can take away the grill ...

Page 11: ...me pull panel outside then take it away Take away the knob with a sharp edged tool Press the cover board and take it away Press two claws on indicator light side and push it from back to front 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 When assembly thermostat you shou...

Page 12: ... colder or warmer temperatures adjust the control one step at a time Allow several hours after each one step adjustment for the freezer temperature to stabilize 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 Make sure the temperature control is set at 4 4 Allow freezer to operate for at least four hours befo...

Page 13: ...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 14: ...SERVICE MANUAL Model BD 379GAA 14 Issue 2009 12 14 Rev Ref0912S018V0 6 2 Refrigeration flow scenograph ...

Page 15: ...SERVICE MANUAL Model BD 379GAA 15 Issue 2009 12 14 Rev Ref0912S018V0 Chapter 7 Circuit diagram 7 1 Brief principle diagram ...

Page 16: ...eck to see if package is holding door lid open Too frequent or too long door lid openings 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 caus...

Page 17: ... has run for too long on some models About the operation 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 Pack...

Page 18: ...SERVICE MANUAL Model BD 379GAA 18 Issue 2009 12 14 Rev Ref0912S018V0 8 2 Abnormal phenomena 8 2 1 Compressor doesn t start ...

Page 19: ...SERVICE MANUAL Model BD 379GAA 19 Issue 2009 12 14 Rev Ref0912S018V0 8 2 2 Poor cooling ...

Page 20: ...Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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