Service Manual Blood Bank Refrigerator HXC-158•HXC-258
Contents
1. eee ecce eee eee eee eee eee ee eee eee e eee ea 23 Amendment of temperature display ess sss dika kk tr A du 24 Requirement ftot dechareeable battery Ci Cuil scsccsccdseasiseteacssdescdeachssccoeevaatdeawbesccesansacdeachssecctessasdoneens 25 Technical improvement process introduction of blood refrigerator Box structure of Haier new product blood storage refrigerator cccccsssscccccccccccsscccsssssssssssscsecs 33 Door Body Instructions of New Product Blood Storage Refrigerator cccccccccssssssssssssssssssssssees 36 Recorder Installation Operation and Maintenance Manual Normal Faults Analysis and Maintenance Measures ssssssesnnnnnnnnnnnnnnennnnnnznnnsosesssssssssseneneeeenennnnze 47 Designation Regulations for type naming Design No is expressed with character sequence B Drawer type Rated volume value is shown with L Blood storage refrigerator Note rated volume can be the gross volume or effective volume the manufacturer can decide it by him according to the actual situation The effective volume value must be marked on the nameplate whether effective volume or gross volume is marked in the product name Examples HXC 358 means that the Blood Bank refrigerator with the temperature at characteristic temperature 4 C horizontal and rated effective volume 358 L HYC 610 is derivative of HXC 608 all the structures are the same so that we write the service manual here2. Haier he Blood Bank Refrigerator HXC 158 HXC 258 HXC 358 HXC 608 HXC 608A HYC 610 Haier Medical amp Laboratory Products Co Ltd Effective models This service manual is effective for following models type Frequency Hz Content D MO T nectit EE D NINE ELLE 4 GS edP eem 5 Product appearance T eoi ei d ttv DN QU NITE DN EE 6 Temperature control system of blood storage refrigerator and control principles of each component Color detifutiofis of indicator Lamps sisi kd d a d da G da 10 Definitions ot Kessa ek riti rain ri na 11 NIAAA Stable scie iiit EE bn Ete Ce crede ie Ced eh Cited eh ted EH EUCH dedi das 12 Temperature adjustment and control MUNCHONS idi sal e rodea Dore b ee e 13 Temperature of machine start up and shutdown senesesnnnessoossssssnnnnnnnnennzznnnnnnsosossssssssssseseneeeeennnnzee 15 Buzzing and luminotron ALARM Jflashing alarm function ssessssssseezonsenennenzzznnenesenezzzzznsssseneees 16 Pootopensas alarm Tulle Oll 61223500 nee gab tentent na cte be dod db da 17 Lote distance alarm TUR UOTE 5 59 50 0002 aa LME ita SEERNES SEERE REESE VE BAG o eO TE Ea AG ee 18 Dertostiais TNC oic iet D 19 Fan delay after endine forced defroStlfig steel a ata Fa ee uoa eos lab lee s disa iew dab Deb a anait 20 Treatment ot sensor LIVES i eiie ipeo e eie iai Poe oe UE ia ba os Ede sa a 21 Control OF mner TAN Sudden iio vertu EL 22 The access rule of compressor and defrosting relays
3. Fan delay after ending forced defrosting After forced defrosting compressor starts up after delaying for 3 minutes fan starts normal operation 20 Treatment of sensor failure When a sensor is open circuit or short circuit alarm lamp on panel is flashing 1Hz buzzer gives out alarm 1 Upper temperature sensor is open circuit or short circuit display E1 2 Lower temperature sensor is open circuit or short circuit display E2 3 Control sensor is open circuit or short circuit display E3 4 Defrosting sensor is open circuit or short circuit display E4 E3 display gt E1 display gt E2 display gt E4 display gt temperature display 5 When control sensor is failure compressor is operating according to 5 minutes starting up and 5 minutes shut down 21 Control of inner fan When refrigerator door is open inner fan stops operation when refrigerator door is closed inner fan operates normally 22 The access rule of compressor and defrosting relays Three relays are accessed according to the following order only two of them are used at each time one is idle next time another one is idle repeat in this way again and again 23 Amendment of temperature display Press Temperature Conversion Key and Calibration Confirmation key at the same time for more than 10 seconds enter in the amendment state of temperature display at this time screen displays D1 can circularly select the sensor tha
4. Safe Caution 1 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 4000W shall be equipped Power line that required for lengthening shall be with a cross section no less than 1 5mm 2 An independent private jack shall be used and reliably connected The power line for refrigerator is equipped with three wire grounding type plug which meets standard three wire grounding type receptacle In no circumstance should the third plug foot grounding of the power line be cut or removed The plug shall be touchable after installation of refrigerator Power line or plug with abrasion shall not be used Abraded or damaged power line shall be sent to maintenance point designated by the manufacturer or be replaced by qualified personnel 3 Hazardous articles of inflammable explosive materials such as acid and alkali with strong corrosion are prohibited in the refrigerator 4 Please don t use flammable spray closely to avid fire 5 When there is inflammable gas such as coal gas leakage e Shut the valve for leakage Open the door and window for ventilation e Don t pull out or insert power plug of the refrigerator 6 Once the power of the refrigerator is cut it shall be re connected at least five minutes later to avoid damage on compressor or the system The power shall be cut for maintenance Do not roll or damage the power line 7 Please wear prot
5. don t charge it again replace the battery with a new one C Rechargeable battery circuit has anti inverse plugging in design If battery positive and negative electrodes are connected inversely control panel buzzer would give out a sound continuously When 220V power and battery switch are OFF at the same time if solely opens battery switch display panel has no display when 220V power and battery switch are connected 25 at the same time cut off the normal power supply of 220V power storage battery to display panel 26 Technical improvement process introduction of blood refrigerator Blood drug storage refrigerator computer panel and battery replacement and maintenance process 8 V battery computer panel is replaced with a 12 v battery computer panel or battery 1 Since June 2009 all models of batteries of Haier blood drug storage refrigerator have been replaced with 12V batteries the production of 8V batteries was stopped meanwhile corresponding control panel new special number 0074091548 and power panel new special number 0074091549 were changed at the same time the detailed replacement process is introduced as below 1 1 Latest blood refrigerator computer panel can support 12V or 8V rechargeable battery at the same time there is a battery transfer switch on control panel make corresponding conversion according to V number of battery 1 2 When replace Model 09 new computer panel firstly check
6. is fastened at the outer edge of cross beam of metal pen Pen cap is used to protect the recording pen during the transportation of recording pen or the recording pen is not used When the pen cap should be removed gently lift up the pen beam take off the pen cap lightly put the pen in place don t make the pen heavily fall on the recording paper suddenly otherwise may damage the pen point and make the recording line on recording paper unclear Place the pen cap in a safe place for future use 38 If recording pen contact is poor lightly bend the center of cross beam of recording pen but don t use too large force only make the pen lightly contact with recording paper Notes When ink of recording pen is almost used up pen color will become shallow it means that recording pen should be replaced 7 Replace Pen Notes No ink recorder for example make use of pressure inductive recording paper doesn t need to replace recording pen The recorder have red and blue ink pens can be seen from red and blue pen handles pen handles are fastened at the end of cross beam of pen through a U shaped clamp For the convenience of replacement fasten the cross beam of pen using two bolts Loosen the plastic U shaped clamp take away old pen and change into new pen 8 Adjust the Cross Beam of Recording Pen 1 In order to check and adjust the precision of recording pen press the paper changing key 3 until pen away from recording paper pre
7. 8V battery machine in case of battery failure when can not apply for 8V battery can apply for 12V battery replacement meanwhile need to apply for replacing control panel and power panel and convert battery switch to 12V position if it is any part failure of control panel or power panel under the condition of using original battery firstly apply for original parts to make replacement if can not obtain original parts need to apply for replacing Model 09 control panel or power panel at the same time battery transfer switch shall be adjusted to corresponding position 28 2 Introductions of original control panel and power panel and Model 09 control panel and power pane Original 8V rechargeable battery blood refrigerator computer panel control panel 29 Original 8V rechargeable battery blood refrigerator computer panel power panel New 12V rechargeable battery blood refrigerator computer panel power panel special number 0074091549 30 New 12V rechargeable battery blood refrigerator computer panel control panel Special number 0074091548 New 12V rechargeable battery blood refrigerator control panel power panel connecting line special number 0070401668 Replacement method After replacing new computer panel oppositely plug the white line socket between control panel and display panel together use control panel and power panel connecting line to connect the two computer panels othe
8. install the cover plate of electric control box and right side plate of cabin 46 Normal Faults Analysis and Maintenance Measures Problem Cause Analysis Maintenance Measures 1 Internal fan failure Replace the fan Temperature inside un Fan duct is blocked up by cabinet is not uniform Remove the obstacles obstacles temperature difference of BPD SNO Te Dat see 3 Door switch is broken Replace the door switch big 4 Computer board is out of order Replace the computer board 1 Battery switch is not turned on or Turn on the switch and damaged replace the switch Display E4 Replace 2 Rechargeable battery is broken rechargeable battery Display 3 Defrost sensor has open circuit d Display E3 Repair or replace boar fault or is damaged doesn t i 4 Control sensor has open circuit RISP ne Display E2 P Repair or replace value fault or is damaged 5 Lower display sensor has open Display E1 NE Repair or replace circuit fault or is damaged 6 Upper display sensor has open Display EO id bid Repair or replace circuit fault or is damaged Check the leakage and refill 1 Serious leakage of refrigerant 3 Refrigerator refrigeration is the refrigerant POS 2 Filth blockage of capillary or Clean the capillary or replace system the filter 1 Record temperature is not correct Check the recorder 2 Recording paper cant record Remove by adjusting the temperature recordin
9. machine battery is 8V or 12V if itis 12V battery only need to replace the computer panel that needs to be replaced if it is 8V battery the power panel special number 0074090956 and control panel special number 0074090957 on original machine need be replaced at the same time Note at the time of replacement battery transfer switch needs to be adjusted to corresponding position 1 3 New power panel special number is 0074091549 new control panel special number is 0074091548 The layout of each connecter on new computer panel and connection method are the same as old computer panel When replacing computer panel just plug each terminal into new computer panel according to original plugging in method 1 4 Compared with original computer panel a two core connecting line is added to new 12V computer panel between master control panel and power panel special number 27 0070401668 1 5 In future maintenance if a battery needs to be replaced due to a failure if it is 12V battery may directly apply for 12 V battery replacement special number 0074091430 if itis 8V battery 12 V battery power panel and control panel and the connecting wire of power panel and control panel shall be replaced at the same time Note at the time of replacement battery transfer switch needs to be adjusted to corresponding position In brief in future maintenance course of blood drug storage refrigerator if it is an earlier stage
10. main power supply In order to replace the battery on 8 inch recorder open the recorder door first and then loosen the bolt on the right side of recording disk open the recording disk the battery is fastened on the back of recording disk It only can be replaced by 9V alkaline battery 13 Optional Alarm Control Relay 1 Notes When the recorder is connected to main power supply don t touch the transformer terminal In order to avoid clicking before connecting the relay terminal disconnect the recorder and main power supply first If the recorder is equipped with backup battery disconnect 9V battery to avoid damaging the recorder or consuming electric quantity of battery 2 Temperature recording disk on 6 inch recorder embedded in metal shell is fastened by four screws loosen the screw remove the recording disk and then the relay being fastened on the back of recorder disk is exposed In addition some recorders have a recording disk with hinge fastened by two screws in the lower part and upper part of recording disk Twist two screws off and then open the recording disk with hinge On 8 inch recorder one screw on the right is fastened the shell of recording 41 disk loosen the screw open the recording disk the relay terminal should be exposed If you don t know how to connect the relay terminal please contact with COBEX recorder company The relay on the recorder is self locking that is to say relay contact is
11. anging key 3 until recording pen is away from recording paper When recording pen is away from recording paper press left arrowhead 1 or right arrowhead 2 for about 5 43 seconds and then loosen the key If presses 1 key green LED will flicker once if presses 2 key green LED will flicker twice Press left arrowhead 1 key to increase temperature range press right arrowhead 2 key to reduce temperature range After completing the temperature range selection press paper changing key 3 until recording pen returns to recording paper selected temperature range will be stored in the recorder memory 16 Specification of Recorder Input Normal input voltage Single phase AC115 230V normal input current 40mA 20mA Warning Relay current exceeds standard may damage the recorder 17 Detailed Description of Recorder Installation 1 Remove the cover plate of recorder first 2 Make white wiring harness of recorder pass through marked round hole 44 3 Remove the right side plate of cabin and cover plate of electric control box make white wiring harness pass through electric control box from the threading hole in the upper right part of electric control box Detail Drawing of Back of Electric 4 Fasten three terminals on the connector bar inside the electric control box according to the graphical position 45 IL P p 5 Fasten the recorder at the removed cover plate using the screw
12. dy has 36 Recorder Installation Operation and Maintenance Manual 1 Power Supply The recorder uses alternating current under normal working condition If AC power supply is abnormal the recorder is equipped with backup power supply green LED starts to flicker means that main power supply is out of order otherwise green LED is always on The recorder has power cord or fixed transformer is connected to AC power supply If fixed transformer is connected to AC power supply as shown in Fig 6 it can be connected to AC 115V 50 60HZ or AC 230V 50 60HZ main power supply 2 Temperature Sensing Probe 1 Most of temperature recorders have a temperature sensing probe If the recorder has a temperature humidity probe when the recorder uses the probe take off the plastic cap on the temperature sensing probe when it requires cleaning push down the plastic cap 2 If you use own temperature sensing probe we will tell you how to install The recorder can accept current input such as 4 20mA voltage input such as 0 1V O 5V 1 5V or 0 10V or 1000 resistance 3 Notes 1 When the recorder is switched on don t touch the end of transformer In order to prevent electric shock hazard before turning on the recorder take off the power plug If the recorder is equipped with backup battery disconnect 9V battery to avoid damaging the recorder or consuming battery 2 6 inch recording disk is embedded in one metal she
13. ecording pen with temperature of thermocouple For double pen recorder compare the temperature of the second pen and temperature of the second standard thermocouple 3 lfit should be adjusted calibrate using 1 or 2 arrow head make two temperatures consistent Press the key for 5 seconds recording pen starts to move 4 For double pen recorder you should first select the recording pen that requires calibration Press 1 key to select red pen press 2 key to select blue pen press 1 or 2 key until LED is off and then operate as described in 3 10 Backup Battery Green LED is always on which means that battery and main power supply are normal position of LED is as shown in Fig 5 If main power supply is out of order or electric quantity of backup battery is insufficient green LED will flicker it means that main power supply is out of order or the battery should be replaced under the circumstances the recorder only can normally work 24 hours 40 11 Fastening and Replacement of Battery 4 inch 6 inch and 10 inch recorders In order to replace the battery open the recorder door first the battery is located in the top right corner of recorder Notes It only can be replaced by 9V alkaline battery 12 8 inch Recorder Notes When the recorder is connected to main power supply don t touch the transformer terminal In order to avoid electric shock before replacing the battery disconnect the recorder from
14. ective equipments during accessing to the refrigerator to avoid freezing injury When the refrigerator is scrapped please remove the doorman The scrapped refrigerator shall be away from fire and be sent to appointed site for disposition Product appearance rq E Temperature control system of blood storage refrigerator and control principles of each component 1 Haier blood storage refrigerator inside box temperature is controlled within 441 C 2 Microcomputer control inside box temperature is displayed digitally 3 Full automatic defrosting function 4 Visual acousto optic alarm have real time alarm and long distance alarm functions can realize over temperature alarm power off alarm and door opening alarm 5 Air cooling system reliable operation even inside box temperature 6 Operation instructions of control panel and each component BLOOD BANK REFRIGERATOR Appearance of Model 09 display panel Color definitions of indicator lamps Alarm indicator lamp red flashing display indicates alarm state upper temperature display indicator lamp lime orange when the lamp is lighting digital tube displays upper sensor temperature Lower temperature display indicator lamp lime orange when the lamp is lighting digital tube displays lower sensor temperature Upper and lower temperature display indicator lamps are lighting at the same time display the average value of upper and low
15. ensors temperature gear is set at 4 C control whether starting up compressor or not according to temperature 12 Temperature adjustment and control functions Press Sensing Selection key and Calibration Cancel key at the same time more than 5 seconds original setting begins flashing enter in temperature setting state latter each time Calibration Cancel key is pressed down temperature value adds 0 1 until reach setting upper limit system default is 8 press again then change to be setting lower limit again system default is 2 each time Sensing Selection key is pressed down temperature value reduces 0 1 until reach setting lower limit system default is 2 press again then change to be setting upper limit again system default is 8 restart again when the temperature value that is needed to be set appears if there is no key operation for more than 5 seconds temperature setting will be saved in system and the state of temperature setting control will automatically exit default temperature setting range is 2 8 C Digital window redisplays inside box sensor temperature value or its mean temperature value no flash before setting Within 3 seconds after temperature setting is finished under that condition that system still does not exit the state of temperature setting control continue press Calibration Confirmation key for 10 seconds system enters in the state of temperature range setting fi
16. er temperature sensors Power indicator lamp red when the lamp is lighting indicate that it is under master power supply state when the lamp is flashing it is under master power failure state 10 Definitions of keys Buzzing Cancel key at the time of buzzing alarm cancel buzzing Temperature Change key change the display temperature of digital tube Alarm Test key test alarm function each time it is pressed the buzzer gives out 3 sounds of 1Hz meanwhile alarm indicator lamp flashes for 3 times if it is not under long distance hardware alarm state long distance alarm relay switches off after 3s suck shut then determines action according to whether alarm is needed alarm is normal otherwise alarm is failure when rechargeable battery switch is not turned on or battery electric quantity is low press Alarm Test key once except for above functions E5 is flashed on display window 3 times 3 seconds each time More than 5 seconds Sensing Selection key Calibration Cancel keys temperature setting More than 5 seconds Temperature Conversion Calibration Confirmation keys amend the temperature value of each sensor More than 10 seconds Buzzing Cancel Alarm Test keys clear corrected value and reset to default parameter setting 11 Initial state The first time power on operation state is initial state temperature display is the mean temperature of upper and lower s
17. g pen 4 Recorder failure Check whether the upper and 3 After disconnecting the recorder lower connectors are battery the lamp is not on connected in place 1 Connection is not in place Check the installation 5 No alarm 2 Control board failure Replace the control board 47 Temperature inside the case is too high or too low Surface of external glass door is hot There is deviation between display temperature and measured temperature 4 Recorder temperature has deviation There is seeper at the bottom of box after running for a period of time Display temperature has a certain For the specific relation to ambient temperature if operation method see the temperature is too high or too low it can attached instructions solve the problem through adjusting the control temperature Adopt imported electric heating external glass door surface heating is normal not out of order Display temperature refers to the temperature on the surface of temperature measuring box When blood bank is run stably it equals to the surface temperature of stored blood bag while the thermometer measures the air temperature inside the box at the time and varies within a certain range thus can t correctly reflect the blood bag temperature at the time Record temperature of recorder reflects the measuring point temperature inside the box it is normal that it has a certain deviation from di
18. is setting temperature 3 the minimum is 0 5 C 4 seconds after adjustment system will automatically log in the setting temperature and display ALH press Calibration Cancel key or Sensing Selection key within 4 seconds display the temperature value of current high temperature alarm default setting is 6 C Lower limit temperature can be added by pressing Calibration Cancel key can also make adjustment through Sensing Selection key its adjustment value is opposite to Calibration Cancel the maximum is 20 C the minimum is setting temperature ALL 4 seconds after adjustment system will automatically log in the temperature value of high temperature alarm and display ALL press Calibration Cancel key or Sensing Selection key within 4 seconds display the temperature value of current low temperature alarm upper limit temperature can be added by pressing Calibration Cancel again the maximum is setting temperature ALH the minimum is 5 C can also make adjustment through Sensing Selection key its adjustment value is opposite to Calibration Cancel default setting is 2C 4 seconds after adjustment system will automatically log in the temperature value of low temperature alarm if there is on operation within 10 seconds system automatically exit the state of temperature setting control Digital window redisplays inside box sensor temperature value or its event temperature value no flash before setting Set temperat
19. ll recording disk on the recorder should be fastened by four bolts loosen the bolt lightly move the recording disk microprocessor board is exposed In addition the recorder can fasten the recording 37 disk through tightening two bolts at upper right corner and lower right corner Move away two bolts and the recording disk can be turned on 4 PC Control Panel J3 and J4 are external terminals can provide at most two pens of signal input J4 is used to connect to the probe that provides the voltage signal for the recorder 5V voltage is provided for external probe 5 Replace Recording Paper Press the paper changing button 3 for about one second until the recording pen starts to move to left of paper and then loosen the button When the recording pen is completely moved to outside of recording paper counterclockwise loosen the bolt in the middle of paper move away recording paper replace new paper align the time line on the paper and time line slot on the recording disk Refer to Fig 5 and confirm the time line slot Fasten newly the middle bolt so as to fasten recording paper Press the paper changing key 3 for about 1 second the recording pen starts to move toward recording paper Check whether recording pen is easy to use if it is not easy to use adjust the cross beam of recording pen and make the pen point contact with recording paper 6 Recording System The model of pen has a multi hole plastic ink cartridge
20. ng distance alarm relay is power on give out no alarm 2 DThere are two control sensors con and alarm use CON as first control con failure use ALARM as control When both of them are failure it is control failure 2 Either of upper and lower sensors is over temperature 3 Either of upper and lower control and defrosting sensors is failure 4 Power AC220V 110V is power off hardware alarm Door opening time2600s When meeting one of above five items normally closed contact closes start up long distance alarm function Long distance alarm function can be realized by connecting to an electric bell 18 Defrosting function Normal defrosting function each time compressor stops start up defrosting function after compressor starts up defrosting stops Enter in forced defrosting function When working environment temperature is large or there is a wet object in refrigerator when compressor changes from shut down into starting up state temperature checked by defrosting sensor is still s 5 C at this time start up defrosting relay coil is power on Exit forced defrosting when upper and lower display temperature 25 6 C or time 220min or the temperature of control sensor and alarm sensor27 C exit defrosting state and enter in automatic normal operation Forced defrosting is at most carried out once within adjacent 24 hours When forced defrosting starts up compressor and fan stop operating 19
21. off or on even it is not powered off unless the recorder has the signal for changing the contact position The position of relay terminal blocks is as shown in Fig 1 Notes Red black and white lines have been provided as the external connection module of relay When the recording pen is located on the right side of control point connection position NC will be closed when recording pen is located on the left side of control point NC will be opened Relay current is divided into the following maximum values 2 0 amperes at AC 30V 0 6 ampere at AC 125V 0 6 ampere at AC 110V Warning If relay current exceeds standard it may damage the recorder 14 Set up the Control Point of Relay In order to set up the recording pen s position on recording paper confirm the closing time of relay contact according to the following methods 1 Press the paper changing key 3 until pen beam starts to move outside paper after a while recording pen will move outside recording paper When newly press the paper changing key 3 the recording pen moves back to recording paper and stay at the outermost scale mark for a short time Recording pen will return to the position of the first control point green LED will go out When the recording pen is stayed in five seconds it is allowed to adjust the 42 control point using 1 or 2 allow key When time for adjusting control point is 5 seconds green LED is on the recorder s
22. placed at 8V 8V rechargeable battery is used When dial switch is placed at 12V 12V rechargeable battery is used 2 Charge mode A Use 12V rechargeable battery When blood storage refrigerator is power on check the voltage of rechargeable battery when the voltage is lower than 11 5V rechargeable battery shall be charged charging voltage is 14 2V After charging for 30 minutes stop for 5 minute check battery voltage if it is lower than 13 2V continue repeating the process of charging for 30 minutes and stopping for 5 minutes until the voltage is larger than 13 2V then stop charging If battery has been charged continuously for 100 hours and still fails to reach 10 8V the battery is broken dont charge it again replace the battery with a new one when refrigerator is power on again it is defaulted as replacing battery B Use 8V rechargeable battery When blood storage refrigerator is power on check the voltage of rechargeable battery when the voltage is lower than 7 4V rechargeable battery shall be charged at the time of charging the voltage applied on both ends of battery is 9 5V After charging for 30 minutes stop for 5 minute check battery voltage if it is lower than 9 2V continue repeating the process of charging for 30 minutes and stopping for 5 minutes until the voltage is larger than 9 2V then stop charging If battery has been charged continuously for 100 hours and still fails to reach 6 5V the battery is broken
23. r terminals are plugged into new computer panel according to original plugging positions on old computer panel 31 32 Box structure of Haier new product blood storage refrigerator Take blood storage basket in blood refrigerator out if it is stainless steel drawer e drawer needs to be removed the 33 TENE Remove the screws that fix fan shield take fan shield out Remove the screws that fix vertical plate take the vertical plate out of box i z ot eam rte 7 MOL JIET lu i NE j Pen p Sl Land Remove the attaching clamp of control Cut off the rope that fixes defrosting sensor remove defrosting sensor sensor beside inner fan the attaching clamp fixes control sensor and alarm canenr 34 Left Front 35 Door Body Instructions of New Product Blood Storage Refrigerator Outgoing lines of lower hinge of door body are Connecting Door body structure Fill foam on all sides the middle is electric heating glass electric heating of glass and start stop of line of glass heating wire is connected to the transformer inside the cabin connecting line of display board is connected to the control board inside the electric control system of cabin connecting line of lamp switch on the door body is connected to the ballast and null line Glass on the door bo
24. rstly display SHE within 4 seconds press Calibration Cancel key or Sensing Selection key then it displays that temperature upper limit can be set now default setting is 8 C upper limit temperature can be added by pressing Calibration Cancel key again can also make adjustment through Sensing Selection key its adjustment value is opposite to Calibration Cancel the maximum is 20 C the minimum is SEL 4 seconds after adjustment system will automatically log in the temperature setting and displays SEL press Calibration Cancel key or Sensing Selection key within 4 seconds display temperature lower limit that can be set now default setting is 2 C lower limit temperature can be added can also make adjustment through Sensing Selection key its adjustment value is opposite to Calibration Cancel by pressing Calibration Cancel key again the minimum is 5 C the maximum is SHE 4 seconds after adjustment system will automatically log in the temperature lower limit 13 setting and display AOF press Calibration Cancel key or Sensing Selection key within 4 seconds display the value of currently controlled temperature difference default setting is 0 5 C the value of temperature difference can be added by pressing Calibration Cancel key can also make adjustment through Sensing Selection key its adjustment value is opposite to Calibration Cancel adjustment step value is 0 1 C the maximum
25. splay temperature if the temperature deviation at the position measured by thermometer is very large it can be calibrated according to the method introduced by the instructions If there is a small amount of seeper it should be periodically wiped off by a towel If there is a lot of seeper check whether the drainpipe is blocked or drainage is smooth unblock with a piece of fine iron wire 48 Haier Inspired living Haier Medical amp Laboratory Products Co Ltd Room 403D Brand Building Haier Industrial Park No 1 Haier Road Qingdao China Website www haiermedical com 49
26. ss newly 3 key until pen newly return to recording paper Make the recording pen pause at the outermost temperature line of recording paper and then return to starting recording position If the pen is not paused at the above positions it should balance the recording pen through adjusting 1 left or 2Z right arrow key 2 When recording pen is returned to recording paper and paused you can adjust the pen position within 5 seconds using 1 or 2 arrow key 3 For one double pen recorder each pen will pause at the outer edge of temperature curve and make an adjustment using 1 or 2 arrow key If it is time for adjusting the first pen the second pen will pause at the outer edge of temperature curve make an adjustment at the time 39 4 When replaces pen or paper make an adjustment newly according to the above methods otherwise the recorder error will cause incorrect recorded temperature 9 Precision Check of Recorder The recorder has been precisely adjusted before leaving the factory therefore the recorder should work for 24 hours before adjustment If it really should be adjusted please conduct according to the following procedures Pay attention not to place the temperature and humidity sensors in any solution 1 Place a standard thermocouple in one solution bottle together with recorder thermocouple 2 If there is curve drawing on the recorder compare the temperature on recording paper drawn by the r
27. t is to be amended by press Sensing Selection key again the meaning of each code D1 upper temperature sensor D2 lower temperature sensor D3 control sensor D4 defrosting sensor D5 alarm sensor Press Sensing Selection key to select the sensor that is to be amended Press Calibration Cancel key display the current value of sensor that is to be amended then press Alarm Test key corrected value appears initial state is 0 the corrected value of the sensor can be added by pressing Calibration Cancel key each time Calibration Cancel key is pressed displayed value increases 0 1 C the corrected value of the sensor can be reduced by pressing Sensing Selection key each time Calibration Cancel key is pressed corrected value reduces 0 1 C the corrected value of sensor is 2 C After the completion of temperature sensor corrected value press Calibration Confirmation key or there is no operation within 2 seconds display the current corrected sensor code then can continue selecting the sensor that is to be amended by pressing Sensing Selection key if there is no operation within 10 seconds automatically save corrected value and exit the amendment state of temperature display 24 Requirement for rechargeable battery circuit 1 Rechargeable battery circuit is 8V 12V and switchable Stitching mode set dial switch on master control panel When dial switch is
28. tart over temperature alarm Meanwhile when display temperature reaches requirement that is display temperature reaches close to setting temperature inside box actually measured temperature shall be in line with display temperature 2 Power off alarm function when power AC220V 110V is off it is switched by relay standby rechargeable battery will provide power to CPU After power off standby rechargeable battery provides power to computer panel start buzzing alarm immediately power luminotron on panel ALARM is flashing display screen window displays inside box upper and lower sensors mean temperature for 1 minute stop displaying for 2 minutes alternately display alarm sound can be canceled by pressing Buzzing Cancel key but long distance alarm function can not be canceled 3 Sensor failure alarm when there is a failure in either of upper control and lower defrosting sensors buzzing alarm appears When appearing above alarm buzzer gives out continuous buzzing in 1Hz the current failure buzzing can be canceled by pressing Buzzing Cancel key After 20 minutes if alarm state continues existing buzzing alarm would restart until Buzzing Cancel key is pressed again 16 Door opening alarm function when the time of door opening is 2600S luminotron on panel ALARM is flashing buzzer gives out continuous buzzing in 1Hz 17 Long distance alarm function 1 Controller is working normally lo
29. tarts to work 3 If the recording pen has two control points the recording pen is moved to the second control point it can adjust the second control point within 5 seconds Each pen with two control points can make use of relay closing to control the maximum temperature and minimum temperature After adjusting the control point for 5 seconds LED is on the recording pen is moved to current temperature position the recorder starts to work 15 Range Selection of Recording Paper 1 If the temperature range of your temperature recorder is stored in the memory of recording disk the following conditions are suitable for you The temperature selection range of recorder is stored in the recorder in the manner of program Notes Recording paper must match with the temperature range of selected recorder otherwise the recording pen s position above recording paper can not consistent with measured temperature In addition if the recorder keeps still at the center or at the edge of recording paper it means that temperature range of selected recorder is abnormal The recorder inside has a safety protection device when current measured temperature is not within the selected range the recording pen will move to the maximum temperature 2 The recorder has at most 8 optional ranges can select a suitable range according to following methods After the recorder is switched on and run normally record temperature press the paper ch
30. ure Temperature of machine start up and shutdown 1 The start up and shutdown of compressor is controlled by control sensor RT2 Compressor start up temperature setting Ts AOF 0 5 Compressor shutdown temperature setting Ts AOF 0 5 The downtime of compressor shall not be less than 3 minutes each time 2 After compressor has continued operation for 1 hour and not shut down shut down it forcedly for 5 minutes at that time electric heating is OFF internal fan is operating normally Each time when compressor shuts down estimate the accumulated operation time of compressor if it is longer than 7 hours shut down compressor at that time electric heating is OFF internal fan is operating normally When downtime reaches 5 minutes or either of the temperature of upper and lower display temperatures exceeds 5 6 C start up compressor 3 When either of the upper and lower display temperatures is lower than 2 5 C compressor is shut down forcedly defrosting heater strip is power off internal fan is operating normally downtime shall not be less than 3 minutes 15 Buzzing and luminotron ALARM flashing alarm function 1 Temperature requirement for over temperature alarm alarm temperature upper limit ALH when either of upper and lower display temperatures is over ALH for continuous 2 minutes start over temperature alarm alarm temperature lower limit when either of upper and lower display temperatures is lower than ALL s
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