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BD-478A
Freezer
Service Manual
BD-478A
●Features
●Door lock for safety storage
●High pressure foam cover for efficient Temperature
preservation.
●Adjustable thermostat.
●Superior insulation.
●Efficient defrosted storage
●Designed for cafeterias restaurants and hotels
Haier Group
Manual No.:BD-478A Edition:20051201
PDF created with pdfFactory trial version www.pdffactory.com
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Contents 1. Contents……………………………………………………………………….……1 2. Product Code Illumination and Series Introduction…………………………… 2 3. Features …………………………………………………………………………... 3 4. Specifications………………………………………………………………………4 5. Safety Precautions(including Warning and Cautions)………………………...5 6. Net Dimension……………………………………………………………… …....7 7. Installation and Accessory Parts ………………………………………………. 8 8. Parts and Functions …………………………………………………………… 12 9. System Flow Chart………………………………………………………………13 10.
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PRODUCT CODE ILLUMINNATION AND SERIES INTRODUCTION Product Code Illumination and Series Introduction B D -- □ □ A B C D A: The first letter of “FREEZER” in Chinese spelling. B: The first letter of “FREEZER” in Chinese spelling. C: Capacity. (Unit: litre). D: Improve Series Number. ２ PDF created with pdfFactory trial version www.pdffactory.com
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FEATURES Features ●Door lock for safety storage ●High pressure foam cover for efficient Temperature preservation. ●Adjustable thermostat. ●Superior insulation. ●Efficient defrosted storage ●Designed for cafeterias restaurants and hotels ● Low power consumption 20% less than the other similar freezers ● Imported high quality compressor and condenser, large freezing capacity, 1.5 times more then regular freezers Freezing quick and deep freeze functions are 2 times faster then
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SPECIFICATIONS Specifications Model BD-388A BD-478A Capacity (L) 388 478 220V~ /50Hz 220V~ /50Hz Power Supply (V/Hz) Unit Dimension (W*D*H) 1420*715*810 1690*715*810 Unit Weight (Kg) 72 78 Box Dimensions (W*D*H) 1495*765*870 1765*765*870 Box Weight (Kg) 84 91 Container Quantity (40HC’) 66 57 ４ PDF created with pdfFactory trial version www.pdffactory.com
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SAFETY PRECAUTIONS Safety Precautions Read all of the instructions before using this appliance. When using this appliance, always exercise basic safety precautions, including the following: 1. Use this appliance only for its intended purpose as described in this uses and care guide. 2. This freezer must be properly installed in accordance with the installation section. Instructions before it is used, See grounding instructions in the installation section. 3. Never unplug your freezer
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SAFETY PRECAUTIONS Safety Precautions 7. This freezer should not be recessed or built-in an enclosed Cabinet. It is designed for freestanding installation only 8. Do not operate your freezer in the presence of explosive fumes. 9. Do not refreeze foods, which have been thawed completely. 10.Do not use any electrical device or any sharp instrument in defrosting your freezer. ６ PDF created with pdfFactory trial version www.pdffactory.com
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NET DIMENSION Net Dimension H W L Model BD-388A BD-478A 1420*715*810 1690*715*810 Unit Dimension (W*D*H) Dimension (Door open) 1420*715*1470 1690*715*1470 ７ PDF created with pdfFactory trial version www.pdffactory.com H a
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INSTALLATION AND ACCESSORY PARTS Installation and Accessory Parts Unpacking Your Freezer 1.Remove all packaging material; this includes the foam base and all adhesive tape holding the freezer accessories inside and outside. 2.Inspect and remove any remains of packing, tape or printed materials before powering on the freezer. Adjusting Your Freezer 1.Your freezer is designed for freestanding installation only. It should not be recessed or built-in. 2.Place the freezer on a floor stro
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INSTALLATION AND ACCESSORY PARTS Installation and Accessory Parts l Do not over fill freezer for proper internal air circulation. Electrical Requirement l Make sure there is a suitable power Outlet (220V) with proper grounding to power the freezer. l Avoid the use of cutting off the third grounding , this is a dangerous practice since it provides no effective grounding for the freezer and may result in shock hazard. Install Limitations l Do not install your freezer in any location no
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Operating Your Freezer INSTALLATION AND ACCESSORY PARTS Installation and Accessory Parts Once the freezer is in its proper place, plug it in an electrical outlet having 220 volts. Set the temperature, on the temperature contrail knob.”1”being the warmest and “6”being the coldest. Initially set the temperature on”3”. Place food inside the freezer After using the freezer for 24 hours set the freezer to your desired setting. In case you unplug your freezer or experience an electrical ou
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INSTALLATION AND ACCESSORY PARTS Installation and Accessory Parts Food Storage Basket Your Freezer has 1 or 2 removable basket. It allows you to store food more accessibly or you can remove it if not needed. Defrosting and Draining The Freezer ·Defrost whenever the frost becomes 5MM thick. Never use a sharp or metallic instrument to remove the frost as it may damage the cooling coils.(A punctured coil will void the warranty) · Turn the temperature control to 0 position an
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SYSTEM FLOW CHART System Flow Chart The refrigeration system of direct cooling single-system freezers belongs to the category of a single-temperature and single-control refrigerating system with only one evaporator and is controlled by a single temperature control. １２ PDF created with pdfFactory trial version www.pdffactory.com
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FUNCTION SCHEDULE Function Schedule Set the temperature, on the temperature contrail knob.”1”being the warmest and “6”being the coldest. Initially set the temperature on”3”. Place food inside the freezer .After using the freezer for 24 hours set the freezer to your desired setting. In case you unplug your freezer or experience an electrical outage, allow 5 minutes before plugging it back in. (Note: If the freezer has been placed in a horizontal or tilted position for any perio
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CIRCUIT DIAGRAM Circuit Diagram Brief description of principle about BD-318A/428A: Brief description of principle about Thermostat: When the temperature in the freezer is higher and reaches the value for starting the machine, the thermostat will be closed, the compressor will run; When the temperature in the freezer is lower and reaches the value for closing the machine, the thermostat will be open, thus the compressor will be stop running. MAINTENANCE SERVICE AND
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12.1.1 Servicing freezer (1)Check the whole circuit of freezer, if there are wire connections came off, any wires broken, or a short circuit. (2) Check the insulation of the whole freezer. At normal situation, the resistance is greater than 2 mebohms; if it is less than 2 mebohms, please make a further check of the freezer resistance. Set the voltmeter to R1 Ohm position, put the two voltmeter leads pencils into L and N terminals respectively, watch the indication of odometer. The no
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(1) Leakage of compressor: mainly because of serious vibration, the motor coil of compressor contacts with the shell, the coat of enameled wire will come off some where and connect with shell. Other reasons may be over voltage, insufficient of voltage, adverse circumstances (temperature too high, ventilation and heat radiation to bad) for freezer, thermal protection unit out of order, etc. They will make the motor coil over temperature, insulation material loose, insulation is damaged t
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tetra chloromethane or alcohol to clean it. If the leakage occurs in the inner of compressor, it needs to be changed. (3) Leakage of temperature controller: because of too long a period of service or too high temperature, or too much dirt, or too high humidity, there may be electricity leakage. If it has been defined that there is leakage of temperature controller, please change. (4) Leakage of starting relay: during mounting and repairing, screw of relay lead is easy to contact the sh
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(1) At normal operation conditions, the temperature around the surface of freezer evaporator is nearly the same; the thickness of frost layer is similar. If there is no frost at the surface of evaporator (bed type freezer at all of its inner wall), or only a small part at the upper, conclusion can be made that the operation of refrigeration system is not normal, the refrigerant is insufficient or there is leakage. (2) Check the system tubing and make sure there is no leakage, especiall
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normal running sounds. If there is heavy buzz that means the motor has not been started normally. If there is bump sound, this means that the suspended spring in the compressor is broken and the compressor is running in tilt. When these matters occur, please change compressor. 12.1.5 troubleshooting by touch (1) Touch the cover of condenser, after continuous operation, the upper part of the cover is the warmest; the temperature of lower part is similar to room temperature. Its tempera
