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Table of Contents
- 1 Table of Contents
- 2 Designation
- 3 Safe Caution
- 4 Product Appearance
- 5 Product Specifications
- 6 Components and Function Modules
- 7 Disassemble Steps
- 8 Screen Control System
- 9 Control System Principle
- 10 System Schematic Diagram
- 11 System Circuit Diagram
- 12 Inspection and Maintenance Process for Typical Error
- 13 Faq&A
- 14 Troubleshooting
- 15 How to Deal with Poor Cooling
- 16 Testing Date
- Download this manual
See also:
Instruction Manual
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Table of Contents
Related Manuals for Haier DW-40L92
Summary of Contents for Haier DW-40L92
- Page 1 Service e Manua al FILE N No: HMRSM M‐002‐03 eep Ref frigerato or‐uprig ht DW-40L92•D DW-40L188 •DW-40L26 62 DW-40 0L262 DW-4 40L188 DW-40L Haier M edical & L Laboratory y Product ts Co., Ltd . ...
- Page 2 Effective models This service manual is effective for following models Model name Product code Voltage(V) Frequency(Hz) Plug-type DW-40L92 All DW-40L188 All DW-40L262 All 2 / 25 ...
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Page 3: Table Of Contents
Content 【Designation】 ................................4 【Safe Caution】................................. 5 【Product appearance】 .............................. 6 【Product Specifications】 ............................8 【Components and Function Modules】 ........................9 【Disassemble Steps】 ............................. 10 【Screen Control System】 ............................13 【Control System Principle】 ........................... 16 【System Schematic Diagram】 ..........................17 【System Circuit Diagram】... -
Page 4: Designation
【Designation】 Regulations for type naming: Design No. is expressed with pinyin character sequence Rated volume value is shown with L Classification of low temperature cabinet (W is horizontal and L is vertical) It shows the temperature at the characteristic point ... -
Page 5: Safe Caution
【Safe Caution】 The machine is using an AC 220V/50/60HZ power. If the voltage used is lower than 198V or higher than 242V, an auto stabilizer above 1000W shall be equipped. Power line that required for lengthening shall be with a cross section no less than 1mm. An independent private jack shall be used and reliably connected. -
Page 6: Product Appearance
【Product appearance】 Display Electronic control assembly Door handle Drawer Door seal DW-40L262 Remark: The press is located in the cabin on rear bottom of the refrigerator with cabin cover The condenser is located at rear of the refrigerator. ... - Page 7 【 】 Dimensions DW-40L92 7 / 25 ...
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Page 8: Product Specifications
【Product Specifications】 Model DW-40L92 DW-40L188 DW-40L262 Climate type Protection type against electric shock Effective volume (L) Rated voltage 220V/50Hz/60HZ 220V/50Hz/60HZ 220V/50Hz/60HZ Input power (W) Net weight (kg) Compressor DANFOSS SC12CL DANFOSS SC12CL DANFOSS SC12CL Freezing agent R404A 160g R404A 220g... -
Page 9: Components And Function Modules
【Components and Function Modules】 1. Temperature control It is controlled by microcomputer with digital display for temperature while the inner temperature can be adjusted from -10℃～ -40 ; there is parameter setting for super low temperature alarming and break ℃... -
Page 10: Disassemble Steps
【 Disass semble e Steps s】 1. Replace ement pro ocess for o old handle ebars Since the o riginal hand dlebar of DW W-40L262/18 88/92 machi ine is easily y loosen, the e process is changed as s following to be obeyed for handleba... - Page 11 g. Fix the ha andlebar on to door body y with screw wdriver. Fix the handlebar pring washe with sc crewdriver 2. Matters s needs at ttention du uring repla acement e rivet nut sh hall not be pu ulled tightly;...
- Page 12 The following is details for connection of computer board and ports; Mark “1” in the above figure is connecting port for power line to connect power line; mark “2” in the above figure is sensor port to connect sensor line. 5.
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Page 13: Screen Control System
【Screen Control System】 1 External view of computer board 2 Basic parameters for computer board Rated frequency 50/60Hz Rated voltage 220 -240 A.C Rated power 3W Control current for press under normal operation shall be no more than 10A ... - Page 14 3 Temperature display function The actual temperature displayed is integer. The measured value is rounded off to integer. in normal situation, the temperature shall not hop, with all temperature variable being ±1 /min; ℃ The display range is from +34 -45 , with temperature higher than +34 , displaying “HH”;...
- Page 15 Note: a. temperature range for HS and LS is 10~42℃。 b. When setting temperature for HS and LS, the HS value shall be higher or equal to LS, or it can not be set. c. Once the HS and LS are set, press both temperature setting buttons simultaneously. The set temperature shall be set within HS and LS (including) only.
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Page 16: Control System Principle
【Control System Principle】 1 Working principle for press on and off When inner temperature reaches set temperature, induct the temperature by sensor and change into electrical signal which is sent to control chip of computer board. By pre-set procedure, the chip then sends out stop order to compressor to shut it down. -
Page 17: System Schematic Diagram
【System Schematic Diagram】 Condenser Evaporator Dry filter Heat return Capillary Vent pipe Compressor 17 / 25 ... -
Page 18: System Circuit Diagram
【System Circuit Diagram】 压 缩 机 冷 却 风 机 电 子 温 控 器 启 动 继 电 器 电 源 插 头 传 感 器 启 动 电 容 M1 – compressor M2 – cooling fan D –... -
Page 19: Inspection And Maintenance Process For Typical Error
【Inspection and Maintenance Process for Typical Error】 Problem points Reason analysis Maintenance measures 1. the press can not start 1. The fuse is burned out. Change the fuse 2. Connecting parts of cabinet is Change socket connector. damaged. 3. -
Page 20: Faq&A
【FAQ&A】 Question Answers Measures able to adopt 1. Inner temperature is too high or Can be resolved by adjusting and detailed operation too low. control of temperature. instruction manual. 2. Sides of the refrigerator is hot. There anticoagulant near Can turn off the electric heating refrigerator open on side surface. -
Page 21: Troubleshooting
【Troubleshooting】 Fault Analysis Maintenance Measures 1. User’s fuse burns out Change the fuse 2. Machine storehouse wiring connector plugs s are Change the connector plugs damaged Check contact and make in good 3. Bas wire contact condition. 1.High temperature level Checking if it is due to bad 4. -
Page 22: How To Deal With Poor Cooling
【How to deal with poor cooling】 Refrigerator temperature ≥ high temperature alarm set temperature (high temperature alarm set temperature ≥ run set temperature +5 ° C) Check the display board LED High temperature alarm lights and control circuit Lights flashing Check the control panel After 15 minutes flashing buzzer and control circuits alarm, sound alarm Test Input voltage display is Check the power is normal normal Check the compressor and Low‐temperature stage control circuit compressor is normal ... -
Page 23: Testing Date
【Testing Date】 Cooling Rate Ambient temp The third floor center temperature Cooling Rate SN Model Power supply Ambient temp Cooling time(from ambient temp to ‐80℃)min ≤360 1 220‐240V/50Hz ≤420 2 220‐240V/50Hz 25℃±3 220‐240V/50Hz ≤420 3 208‐230V /60Hz 115V60Hz ... - Page 24 Temperature of the cooling system parts Temperature of the parts Ambient Cooling system temperature sn model Power supply temp H‐IN H‐OUT L‐IN E‐IN E‐OUT 1 220‐240V/50Hz 2 220‐240V/50Hz 220‐240V/50Hz ≤ ≤ ≤ ≤ 3 208‐230V /60Hz ≤‐32℃ 25℃±3 115V60Hz ‐32℃ ‐32℃ ‐86℃ ‐85℃ 220‐240V/50Hz 4 ...
- Page 25 Insp ired liv ving Haier Me dical & La aboratory Products Co., Ltd. R R oom 403 3D, Brand Building, Haier Indu ustrial Par rk, No.1 Ha aier Road gdao Ch ina ebsite: ww ww.haierm medical.co ...