Haier DW-86L338, Service Manual

Page 1: ...a l DW 86L2 DW 86L ow Tem 288 DW 86 L486 DW 86 DW 86W mperatur L338 DW 8 6L628 DW 8 W1006 DW Haier M re Refrig 86L388 DW 86L728 DW 86W420 edical L gerator 86L388A W 86L828 Laboratory FILE No y Product...

Page 2: ...220 50 All DW 86L338 BE0FU3E1T 220 50 All DW 86L388 BE06RCE1T 220 50 All DW 86L388A BE0FV3E1T 220 50 All DW 86L486 BE06RJE1T 220 50 All DW 86L490 BE06QGE1T 220 50 All DW 86L626 BE03D2E1T 220 50 All DW...

Page 3: ...h temperature probe type PT100 27 Detailed technical data of the product 28 product nameplate 29 Transportation and Installation 30 1 Transportation of the product and removal of package 30 2 The prod...

Page 4: ...0 Troubleshooting 61 How to deal with High temperature alarm 65 How to deal with Low temperature alarm 66 Points needing attention during normal use of the product 67 1 Points needing attention during...

Page 5: ...tra low temperature storage refrigerator with the temperature at characteristic temperature 86 horizontal and rated effective volume 628L DW XX X XXX X Design No is expressed with pinyin character seq...

Page 6: ...larm Multiple protective functions startup delay protection LV compensation protection and HV compensation protection 1 7 It has network functions provided with RS 232 data interface to connect the co...

Page 7: ...7 88 Product appearance DW 86L388 486 628 728 828...

Page 8: ...8 88 DW 86L288 DW 86L338 388A...

Page 9: ...9 88 DW 86L490 DW 86W100...

Page 10: ...10 88 DW 86W420...

Page 11: ...11 88 Dimensions DW 86W100...

Page 12: ...12 88 DW 86L490...

Page 13: ...6L388 1310 550 296 620 1960 1980 620 915 870 2 DW 86L486 1310 630 296 590 1960 1980 590 945 900 3 DW 86L628 1310 630 296 760 1960 1980 760 1035 900 4 DW 86L728 1310 630 296 870 1960 1980 870 1145 900...

Page 14: ...enser dirty High ambient temperature Buzzer cancel Shelf replace the shelf around 45 Shelf strips Inner door PU foam structure The inner door outer seal Inner door middle seal Main doors PU foam struc...

Page 15: ...the main r in the box ess steel ng fixed clam ox beams orated bar fixed mp 15 88 Inner colo Material steel shee or Cream yel electro galva et Inner door h replace dism handle the c rotation of th Cab...

Page 16: ...ca The ca P Door h Name numb S Test hole CO2 backup s Cabin guard p bin right guar abin left guar Power code inge under eplate and ber Senser hole system plate rd rd serial 16 88 Powe Batte r swtich...

Page 17: ...AC Transform Batte Conden ronic stru ard mperature zed AC contac h temperature contactor mer ery nser ucture ctor e Elec 17 88 ctrical control box Remote alarm wiring W R232 4 port m Wiring board Rela...

Page 18: ...18 88 High temperature compressor Low temperature compressor Condensation fan Induced draft fan Standby Pressure increase Pressure decrease Mother Board...

Page 19: ...r sensor Heat exchanger sensor Computer panel test key under the condition of power ON press down the test key and see if all relay lamps are lighting in continuous cycle otherwise check if the relays...

Page 20: ...ack The left High temperature stage The right Low Temperature stage High stage gas liquid separator High temperature filter Low temperature filter Anti dew tube High temperature condenser Condenser fa...

Page 21: ...80uF Run capacitance 117 7121 10uF compressor DW 86W100 Escop Danfoss SC12CL power 208 230V 60Hz Start capacitance 117U5017 80uF Run capacitance Refrigerant In the nameplate R134a R404a R290 R508b Ref...

Page 22: ...agram of refrigerating system Dry filter Dry filter Capillary tube Capillary tube Condenser Evaporator Heat exchanger Gas liquid separator High temperature compressor Low temperature compressor Pressu...

Page 23: ...8 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 41 42 45 58 59 60 62 63 64 65 66 0 1 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17...

Page 24: ...prober Heat prober Power panel Booster High Temperature compressor Low Temperature compressor Blower fan Pressure switch Heating wire Boosting relay Reduction relay Suction fan Display board Rechargea...

Page 25: ...sensor Main sensor CN6 Two fans and heater Control fans and heater CN7 Condenser sensor Condenser sensor CN8 Heat exchanger sensor Heat exchanger sensor CN9 For display panel backup CN10 For display p...

Page 26: ...15 0 5 5 0 26 1 8 36 49 2 15 14 2 6 4 7 27 1 8 35 46 2 14 13 4 7 4 5 28 1 7 34 43 4 13 12 7 8 4 3 29 1 6 33 40 8 12 12 0 9 4 1 30 1 5 32 38 4 11 11 4 10 3 9 31 1 5 31 36 1 10 10 8 11 3 7 32 1 4 30 34...

Page 27: ...pe PT100 temperature Resistance K temperature Resistance K temperature Resistance K temperature Resistance K 130 48 80 68 3 30 88 2 20 107 8 120 52 1 70 72 3 20 92 2 30 111 7 110 56 2 60 76 3 10 96 1...

Page 28: ...388 38 6 388 386L 220V50Hz 1000W 1980 915 870 1310 620 550 SC21CL 4 DW 86 L628 62 6 628 626L 220V50Hz 1200W 1980 1035 900 1310 760 630 GS26CL X 4 DW 86 L728 728L 220V50Hz 1200W 1980 1145 900 1310 870...

Page 29: ...29 88 product nameplate For example DW 86L338...

Page 30: ...of package packing method of the product wooden support EPE During transportation the fork or hydraulic jack is required to insert into the bottom of the wooden support to transport the product Packin...

Page 31: ...t enter the room height required by the client and its access is unavailable without the bottom base the front cover of the cabinet can be removed and open the door to 180 degree Removal of the front...

Page 32: ...scratched The maximum inclination angle shall not 45 when handling the included angle with the horizontal direction so as not to produce the fault to refrigerating system or influence its normal use 3...

Page 33: ...et with the plug of other equipment the plug and socket must be connected securely Please note that the power line shall not be twisted or pressed If the wire shall be lengthened standard of the feede...

Page 34: ...al performance After the refrigerator is confirmed to be normal as per and then the articles can be put in it In principle the articles stored at 60 shall not exceed 1 3 volume If temperature of the a...

Page 35: ...high temperature alarm set and low temperature alarm set inside the refrigerator and the corresponding indicating lamps will be lighten 2 Temperature setting For Temperature Set the display area will...

Page 36: ...mperature or be less than the setting temperature by 5 when setting the high temperature 4 Low Temperature Alarm When setting Low Temperature Alarm if setting temperature display area flashes it indic...

Page 37: ...d to reduce voltage When the input voltage drops to 120V the booster will be disconnected with reduction amplitude 12V When the input voltage drops to 95V the compressor is in operating for a long tim...

Page 38: ...or equals 13 after 5 minutes later dirty condenser indicating lamp lights accompanied by the buzzer alarm Low battery indicating lamp if the lamp lights indicating the low battery and will be charged...

Page 39: ...lamp in the alarm display area will light and send alarm accompanied with buzzer alarm Light flashing alarm can t be cancelled until the fault is removed While the buzzer audible alarm can be silent w...

Page 40: ...ergized then the start delay can be set as 01 02 03 09 10 1 minute 10 minutes by pressing or The default delay is 1 minute 3 Calibration function Under the unlock status press and hold down Function S...

Page 41: ...to pull out AC power wire and shut off the battery on equipment and nothing will be displayed on the display screen 6 Meanings of fault codes When there is any trouble with the sensor Sensor Fault ind...

Page 42: ...ergized when you first open the battery switch on the machine electrical control box take a long time to shut down the power to turn off this switch 7 5 The cryogenic refrigerator door every time the...

Page 43: ...ode Fa mperature s dirty ind two hours t e sensor fa failure the E2 sor fails th E1 43 88 ault cod minus amb dicator light the indicato ilure indica display alt e display al de bient tempe t and acco...

Page 44: ...r failure e heat exch 5 seconds art the Low 44 88 sor failure t code E0 e sensor fa hange E3 s long pre w Temperatu the displa ault code in Select 86 ss E3 fau ure pressur ay alternat the display E3 f...

Page 45: ...50 heat exchanger sensor so no E3 E4 fault Model independent backup system no E0 E1 E3 E4 fault Alternately display time the actual temperature display 6 seconds the fault code is displayed for 2 sec...

Page 46: ...eparator which can prevent liquid freezing medium from being absorbed into compressor This is an integrated high temperature system refrigerating cycle After freezing medium is compressed by second le...

Page 47: ...rature is 20 C then the cryogenic cabinet set at a temperature of 23 C ensure the shutdown of the freezer and a normally open stop more than eight hours 4 prohibits are all temperature freezer cold st...

Page 48: ...r sale service personnel to repair it Infusion of freezing medium When DW 86L386 series of ultra low temperature cabinet products are repaired there are very strict requirements for environment and re...

Page 49: ...that two vacuum pumps high and low pressure shall vacuumize separately at the same time pressure gage and gage valve shall be installed on high and low pressure infusion tubes When evacuation time has...

Page 50: ...SL 490C2W Special No Fan application Evaporation fan Condensation fan Manufacturer EBM EBM Fan model Rated voltage 230V 230V Input power 10W 10W Fan type Induced draft type Induced draft type Dimensio...

Page 51: ...frequency Hz 50 Input power W 800W Current A 3 Rated voltage V 220 Cooling mode Forced wind cooling Product model DW 86L626 628 728 828 Compressor model GS26CLX Voltage range V 220 240 Refrigerating o...

Page 52: ...s maintenance depending on the situation by the Medical Division technical staff 2 Refrigerant code high temperature level for R134a and R404a Low Temperature the HRA R290 and the HRB R508b 4 Refriger...

Page 53: ...ther prohibiting the opening of the system should immediately open system machine pipe welding completed 3 because of the machine on the water in the system is very strict so the machine pipe openings...

Page 54: ...e so ore of the 54 88 ickly high high press ressure co time to o then main chine syst machine pi ur and the ne hour s far before vacuum PICTURE 1 tempera sure refri ontinues t one hour ntained at tem...

Page 55: ...55 88 PICTURE 2 PICTURE 3 PICTURE 4 U Unit Pa 3Pa...

Page 56: ...erfusion HRB refrigerant because of higher the HRB refrigerant pressure Perfusion was performed in accordance with the attached table Irrigation after the infusion process tube sealing sealing effect...

Page 57: ...lectronic weighing scales perfusion 5 Evacuation and refrigerant perfusion is not in accordance with the above requirements and operating process execution lead to machines refrigeration poor or no re...

Page 58: ...lly at one time at the time of infusing above freezing mediums cylinders must be placed upside down to infuse liquid As the infusion quantity of low temperature level freezing medium is small and the...

Page 59: ...evacuation time of machine system freezing medium infusion are not carried out according to above time requirement and operation flow as a result a machine has bad refrigeration or no refrigeration a...

Page 60: ...DW 86L386 570 235 20 DW 86L388 560 235 20 DW 86L486 580 265 30 DW 86L490 550 285 30 DW 86L626 628 90 810 305 30 DW 86L728 90 800 320 30 DW 86L828 80 685 315 30 DW 86W420 old type 180 420 20 140 2012 4...

Page 61: ...switch is damaged Change the pressure switch 3 High temperature level compressor has poor refrigeration Repair high temperature level refrigerating system 3 Fan does not rotate 1 Fan wiring is loose C...

Page 62: ...and make repair welding Compressor is damaged Change the compressor Low temperature level compressor vent pipe is not hot Low temperature level pipe leaks Find the leak location and make repair weldin...

Page 63: ...n low temperature cabinet 10 it Displays that inside temperature sometimes is high and sometimes is low Sometimes more than 20 sometimes below zero Computer board has a failure refrigerating system ca...

Page 64: ...ort circuit 1 Check the heat exchanger sensor terminal plug bad or falling sensor for damage 2 Check the main control board sensor plug terminal is loose or poor contact whether the display panel dama...

Page 65: ...circuit Check the fan and the control circuit Check the compressor and control circuit Check whether there is a refrigerant leakage repair leakage High temperature alarm Lights flashing Check the disp...

Page 66: ...ature alarm Lights flashing Refrigerator temperature high temperature alarm set temperature high temperature alarm set temperature run set temperature 5 Check the display board LED lights and control...

Page 67: ...perature of heat detector of the storage room Although there is a difference between the displayed temperature and the actual temperature in the center of storage room it will approach to the true tem...

Page 68: ...box and put them into another one for freezing to avoid damaging the articles due to temperature rise inside the storage box There are many cooling coils on the back of inner wall and the side don t...

Page 69: ...k If the power socket isn t earthed then the earth wire shall be installed by the qualified engineering technician The equipment shall not be earthed via gas pipe water supply pipe telephone line or a...

Page 70: ...onnected prior to its any repair or maintenance to avoid electric shock or personal injury During maintenance the chemicals or suspended particles inside the equipment and it s around shall not be abs...

Page 71: ...due to ageing of power wire The plastic bags shall not be approached by the children because it will possibly produce suffocation accident When Co2 is used to cool the system as an auxiliary mode air...

Page 72: ...stem The power plug must be pulled out during maintenance Don t roll or damage the power wire Disposal of the discarded equipment must be carried out by the relative personnel The box door shall be di...

Page 73: ...material used by the testing through hole placed correctly Is there too much unfrozen articles placed in the storage box within several hours Under this case it is a temporary problem The setting tem...

Page 74: ...a short time Warning In order to prevent electric shock or personal injury the equipment shall be disconnected from the power prior to any repair or maintenance Ensure that the chemicals or suspended...

Page 75: ...ts are under totally seal state they need not to be lubricated Frost or ice on inner wall shall be removed once a month condenser filter screen shall also be cleaned once a month 2 Clean condenser fil...

Page 76: ...to wipe off the water on refrigerator bottom 6 After finishing cleaning refrigerator body and inner door restart the equipment 7 Put the objects back into already fully cooled refrigerator body 8 If...

Page 77: ...battery please contact Haier after sale service personnel Warning To avoid electric shock or personal injury before equipment maintenance or repair the power must be cut off When maintaining the equi...

Page 78: ...he temperature difference of like products in the world is 5 8 basically our temperature difference is maintained around the temperature In addition if a user open and close refrigerator doors frequen...

Page 79: ...is blocked by ice the stuffiness may cause internal pressure to be too low and so the door can not be opened There is also a possibility that balance heater strip is broken so a new part needs to be r...

Page 80: ...When a user just starts a machine as the temperature inside refrigerator is high cooling load is large heat release is also large at this time condenser temperature is too high the signal sent by sen...

Page 81: ...y picture Whether wearing parts 1 0070701061 Filter dryer 1 2 0070700606 pressure control switch for 2nd stage 1 3 0070701865 Suction accumulator 1 4 0270200538 Outer gasket for outer door 1 Y 5 02702...

Page 82: ...all round caster 1 8 0074091318 Display board 1 Y 9 0074091225 Condenser temperature sensor 1 10 0074090884 Ambient sensor 1 Y 11 0070204295 Cover for access port 1 12 0070204827 Inner door handle 1 Y...

Page 83: ...1 Y 16 0270800385 Inner gasket for inner door Interior door assembly 1 Y 17 0070401235 Battery power switch 1 Y 18 0070106373 Inner door hinge 1 Y 19 0070107087 Outer door hinge 2 Y 20 0070107112 Out...

Page 84: ...0857 090857 2 091167 Oil sep Cabinet tem control PT1 Air cooled c Door switch system c AC contactor Fan for lo 220V Fan for hi 20V 60Hz 17 compressor danf arator mperature sensor 100 condenser for bac...

Page 85: ...30 00240 31 00708 32 00740 000070 815591 090752 Power re compressor Catch assem mecha Circuit b elay for 220V 60Hz bly for latch anism breaker 1 1 1 Y Y...

Page 86: ...z 115V60Hz 420 4 DW 86L628 220 240V 50Hz 208 230V 60Hz 115V60Hz 450 5 DW 86L728 220 240V 50Hz 208 230V 60Hz 480 6 DW 86L828 220 240V 50Hz 208 230V 60Hz 500 7 DW 86L338 220 240V 50Hz 208 230V 60Hz 360...

Page 87: ...32 32 86 85 2 DW 86L388 220 240V 50Hz 3 DW 86L486 220 240V 50Hz 208 230V 60Hz 115V60Hz 4 DW 86L628 220 240V 50Hz 208 230V 60Hz 115V60Hz 5 DW 86L728 220 240V 50Hz 208 230V 60Hz 6 DW 86L828 220 240V 50...

Page 88: ...Inspired living Haier Medical Laboratory Products Co Ltd Room 403D Brand Building Haier Industrial Park No 1 Haier Road Qingdao China Website www haiermedical com...