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DW-86L490J
Haier DW-86L490J Service Manual
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Haier after-sales internal training information, external circulation is strictly pro
hibited
No.: YL-
P3
-
06
-ULT DW-8
Energy-sav
ing Serie
s
Product type:
UL
T Freez
er
Product model:
DW
-
86L3
38J/388J/
578J/626/72
8J/828J/4
90J/100J
DW
-
86W420J/10
0J
Product illust
ration:
DW
-
86L3
38J/388J
DW
-
86L
490J
DW
-
86W4
20J
DW
-
86W1
00J
/578J/626/728J/
828J
DW
-
86L
100J
Biomedical
After
-
sales Service
Manual
2
Table of Contents
Table of Contents
4
Product Features and Model Designation
6
Main Functions and Features of the Product
6
Model Designation
6
Product Promotion Points and Selling Points
7
Safety Control
7
Refrigerating System
7
Humanization Design
7
Vip
7
Temperature Monitoring Function
8
Noise
8
Product Appearance and Structure Characteristics
8
New Energy-Saving Structure Series: DW-86L578J/626/728J/828J
8
Narrow Series
8
Double-Door Series: DW-86L490J
8
Horizontal Freezer Series: DW-86W100J Horizontal Freezer Series: DW-86W420J
9
Product Component Structure Name
10
Display Structure of Display Board
10
Freezer Structure
10
Structure of Electric Cabinet
15
System Structure
19
Product Instructions and Product Improvement
20
Unlocking
20
Temperature Setting
20
Precautions
20
Fault Code Query
21
Probe Resistance Changes with Temperature (Probe Type: NTC, Which Is Mainly for Ambient Temperature Sensor, Condensation Temperature Sensor, and Heat Exchanger Sensor)
23
Main Technical Parameters of the Product
24
List of Technical Parameters
24
Product Nameplate
27
Case Preventive Measures, Product Use and Daily Maintenance Knowledge
28
Principle of Ultra-Low Temperature Refrigeration
28
Method of Use of the ULT Freezer
28
Working Principle of Pressure Switch
29
Characteristics of Refrigerant
29
Refrigerant Charging Procedures
29
System Schematic Diagram and Wiring Diagram
32
Specific Control, Working Principle and Parameters
34
The Temperature Control System Controlled by Computer Board Controls the Start and Stop of the Compressor
34
Display and Alarm
35
Special Function Setting
36
Battery Control Requirements
37
Adjustment Method of Temperature Drift
37
Control of Condenser Fan
38
Remote Alarm Function
38
Control of Compressor
38
Voltage Calibration
38
Adjustment of Setting Value
39
USB Data Download and Time Setting
39
Door Opening Management
40
Control of Balance Hole Heating Wire
41
Control of Capillary Tube Heating Wire (Cancel Capillary Tube Heating Wire after November 2016)
41
Computer Board Power Failure Alarm
41
Perspective View and Pan View of Refrigeration Cycle
41
Refrigeration Principle
41
Installation and Disassembly Process
42
Installation Location
42
Product Handling and Package Removal
42
Put the Product in Storage Room
44
Consultation on Typical Faults and Solutions, and FAQ
44
Typical Faults and Solutions
44
Troubleshooting of Common Problems
46
Other manuals for Haier DW-86L490J
User Manual
18 pages
Operation Manual
18 pages
5
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Haier DW-86L490J Specifications
General
Type
Upright Freezer
Defrosting
Manual
Energy Efficiency
A+
Color
White
Power Supply
220-240V/50Hz
Capacity
490 liters
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