Manual No.BD-478A
Features
BD-478A Freezer
Haier Group
Contents
C Capacity. Unit litre D Improve Series Number
Product Code Illumination and Series Introduction
PRODUCT CODE ILLUMINNATION AND SERIES INTRODUCTION
B The first letter of “FREEZER” in Chinese spelling
FEATURES
Features
Unit Dimension W*D*H
Specifications
SPECIFICATIONS
Power Supply V/Hz
Safety Precautions
SAFETY PRECAUTIONS
9. Do not refreeze foods, which have been thawed completely
SAFETY PRECAUTIONS
Safety Precautions
8. Do not operate your freezer in the presence of explosive fumes
NET DIMENSION
Net Dimension
Installation and Accessory Parts
INSTALLATION AND ACCESSORY PARTS
INSTALLATION AND ACCESSORY PARTS
Installation and Accessory Parts
Electrical Requirement
Operating Your Freezer
INSTALLATION AND ACCESSORY PARTS
Installation and Accessory Parts
Adjustable temperature dial
INSTALLATION AND ACCESSORY PARTS
Installation and Accessory Parts
Defrosting and Draining The Freezer
System Flow Chart
SYSTEM FLOW CHART
Function Schedule
FUNCTION SCHEDULE
MAINTENANCE SERVICE AND TROUBLE SHOOTING
12.1 System Trouble shooting
CIRCUIT DIAGRAM
Circuit Diagram
12.1.2 Reasons of electricity leakage of freezer
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.1.1 Servicing freezer
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
If electricity leakage occurs outside the compressor, please use
tetra chloromethane or alcohol to clean it. If the leakage occurs in the inner of compressor, it needs to be changed
12.1.3 Troubleshooting observation
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
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
12.1.4 Troubleshooting by sounds
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
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
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
please move your hand over it quickly, otherwise your hand will be stuck
12.1.6 System noise repair
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
6 If the fan supporter is loose and noise is caused, please tighten
12.1.7 Poor freezing effect analysis and solutions
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
near thermal source or not if the room temperature is too high or not if the condenser is blocked by cloth pieces or paper or dirt or not. Any one of these matters will affect heat radiation of condenser and refrigeration ability will be reduced
12.1.8 How to handle the seal bar for poor sealing
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.1.11 Freezer problem analysis and service
12.1.9 Why freezer cannot be used at low temperature environment
12.1.10 How to know there is problem with compressor motor
MAINTENANCE SERVICE AND TROUBLE SHOOTING
position for suitable temperature
Problems
4. The knob of temperature controller is at
The temperature controller is out of
Adjust
adjust its value to rated
There is mechanical problem in the
6. Temperature around compressor is too
12.1.13 Procedure for temperature controller change
12.1.12 Procedure for fan change
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.2.1 Freezer cannot be started
12.2 Common freezer problems
12.2.2 Operation of freezer is not normal
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.3.2 Repair equipment Requirements
12.3.3 Service procedure
12.3.4 Changing procedure of R134a compressor
12.3.5 Compressor installation and brazing procedures
12.4 Application and maintenance of freezer
12.4.1 Product characters
12.4.2 Notice for use
3 Please don’t leave the freezer at humid or corrosive gas area
12.4.4 Maintenance
12.4.3 Safety notice of product
12.4.5 Standard procedure of maintenance
4 Check the casters and change if there is any damage
12.5
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
Maintenance Service and Trouble Shooting
12.5.1 Freezer repair tool and equipment
12.5.2 Notice for use
MAINTENANCE SERVICE AND TROUBLE SHOOTING
12.5.3 Procedure for filling equipment
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
MAINTENANCE SERVICE AND TROUBLE SHOOTING
12.6 Freezer noise
12.6.1 Freezer noise sources
12.6.2 Compressor
3 Noise of flowing liquid
12.6.4 Gas flowing sound
12.6.3 How is the sound of water flowing generated?
12.6.6 Why the freezer’s noise increases after using
sometime?
12.6.7 Why freezer’s noise increases after stop use for sometime?
12.6.8 How to reduce freezer’s noise?
12.6.9 why freezer noise changes greater at night?
12.6.10 What are the national stipulations for freezer noise?
12.6.11 Why freezer noise measured at home is incorrect?
2 Put freezer onto 5-10mm elastic cushion
12.6.13 Why the noises of it type freezers are different?
12.6.16 How to determine that the sound is noise or normal?
12.7.2 Noise test
12.7 National standard for noise
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
the freezer stops, the measurement must be interrupted and resume 3min
12.8.1 Measuring content
12.8Measuring technology of freezer performance parameter
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.8.2.1 Sealing performance test of refrigeration system
12.8.2 Test method and instrument
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.8.2.5 Leakage of current
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.8.2.4 Ground resistor
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
material of enclosure structure of test room is made up of 10mm thick
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
a. Its temperature
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
7 Cooling speed
Table 6-3 Storage temperature of freezer
EXPLODED VIEW Exploded View
Exploded View
LIST OF PARTS Parts list
0070810207
0075020001
6.The spare parts price on net is FOB Qingdao term