Service Manual MDF-U5412
Contents
1. 35 68 15 4 15 74 15 7 27 30 52 84 3 15 08 16 6 99 25 41 19 2 14 45 17 6 73 20 32 43 1 13 86 18 6 48 19 30 92 0 13 29 19 6 24 18 29 50 1 12 74 20 6 01 17 28 14 2 12 22 25 5 00 16 26 87 3 11 72 30 4 18 15 25 65 4 11 25 35 3 51 14 24 51 5 10 80 40 2 96 13 23 42 6 10 37 45 2 51 12 22 39 7 9 96 50 2 14 11 21 41 8 9 57 55 1 83 10 20 48 9 9 20 60 1 57 9 19 58 10 8 84 8 18 73 11 8 49 10 Control specifications 1 Keys on control panel BUZZER When alarm lamp blinks and buzzer sounds press this key to stop buzzer and remote alarm operation When you set alarm resume time except for 000 in F25 buzzer will sound again after the time elapses Buzzer does not activate during alarm test performs When alarm lamp blinks and buzzer does not activate buzzer will not activate if you press BUZZER key When you press this key during power failure current chamber temperature will be displayed for 5 seconds SET Press this key to step to setting mode Press this key again to memorize setting value It functions as ENTER key DEF In chamber temperature displays press this key for 5 seconds to start defrosting with chamber temperature and dF are displayed alternately Press this key during defrost performs to come defrosting to end High low temperature alarm will not activate during defrost performs When sensor is fail2. Fan motor check When about 6 years has passed with power switch ON _F02 and chamber temp are displayed alternately Note The above power failure alarm is available when the battery switch is on and the battery is charged If the battery switch is off or the battery is discharged only the remote alarm is activated The power failure alarm can be kept about 12 hours with the battery charged fully A two day operation of the freezer is needed to charge the battery full The chamber temperature is displayed for 5 seconds if the buzzer stop key BUZZER key is depressed during the power failure alarm At the same time the alarm stops The remote alarm is silenced by pressing buzzer stop key BUZZER as the remote alarm is operated in conjunction with the buzzer except for the power failure alarm After power failure the operation is resumed with the condition before power failure since the temperature setting and alarm temperature setting are memorized in a nonvolatile memory 47 19 ROUTINE MAINTENANCE WARNING Always disconnect the power supply to the unit prior to any repair or maintenance of the unit in order to prevent electric shock or injury Ensure you do not inhale or consume medication or aerosols from around the unit at the time of maintenance These may be harmful to your health Cleaning of cabinet Clean the unit once a month Regular cleaning keeps the unit looking new Use
3. 2 AT ambient temperature 20 SV set temperature 35 Diagnosis value is 0 6 x 20 AT 51 39 Diagnosis value 39 is lower than 35 diagnosis value so solenoid valve links with compressor 3 AT ambient temperature 35 SV set temperature 35 Diagnosis value is 0 6 x 35 AT 51 30 Diagnosis value 30 is higher than 35 set temperature so solenoid value does not link with compressor That is solenoid valve does not transfer gas to the capillary tube 16 3 Summary In condition of 1 ambient temperature is equal or higher than set temperature 6 solenoid valve forcibly activates In condition of 2 solenoid valve is controlled by diagnosis value to enable unit to reach set temperature if both of capillary tube are used in high ambient temperature Solenoid valve is used to control chamber temperature uniformity in condition of higher set temperature and to enable unit to reach set temperature in condition of higher ambient temperature Wiring diagram 17 Circuit diagram 18 19 lt Front view gt lt Opposite side of control panel gt Storage container small 6pcs Storage container large 4pcs lt Temp sensor cover is removed gt Buzzer PCB Display PCB lt Temp sensor mounts on lowest shelf gt lt Screw holes to fix Temp sensor gt Parts layout 20 Dry core ass y Solenoid valve Solenoid coil Condensing fan motor Compressor terminal lt B
4. 60 Hz 230 V 50 Hz 240 V 50 Hz Rated power consumption 240 W 285 W 255 W 290 W Noise level 42 dB A background noise 20 dB Maximum pressure 1 80 MPa Note The unit with CE mark complies with EC directives 60 32 CAUTION Please fill in this form before servicing Hand over this form to the service engineer to keep for his and your safety Safety check sheet 1 Freezer contents Risk of infection Risk of toxicity Risk from radioactive sources List all potentially hazardous materials that have been stored in this unit Notes 2 Contamination of the unit Unit interior No contamination Decontaminated Contaminated Others 3 Instructions for safe repair maintenance of the unit a The unit is safe to work on b There is some danger see below Procedure to be adhered to in order to reduce safety risk indicated in b below Date Signature Address Division Telephone Product name Model Serial number Date of installation Biomedical Freezer MDF U5412 Please decontaminate the unit yourself before calling the service engineer Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No SANYO Electric Co Ltd Printed in Japan
5. 2nd digit 0 2400bps Initial 1 4800bps 2 9600bps Note 1 The 1st digit is not used 2 When you set mode in Remote you cannot change chamber temperature and perform defrosting in unit directly F25 Setting of alarm resume time Settable range 000 010 020 030 040 050 060 000 Not resume F32 Display of condensing fan motor accumulation time Input service code 384 prior to use the function Input F32 and press SET key to display F32 and XX X 00 0 will be displayed if the accumulation time is less than a month alternately Press SET key to return to chamber temperature display F45 Display of battery accumulation time Input service code 384 prior to use the function Input F45 and press SET key to display F45 and XX X 00 0 will be displayed if the accumulation time is less than a month alternately Press SET key to return to chamber temperature display F46 Display of diagnosis temperature for valve control Input service code 384 prior to use the function Input F46 and press SET key to display F46 and diagnosis temperature 20 0 40 0 alternately Press SET key to return to chamber temperature display 15 11 Differential temperature When chamber temperature is equal or higher than set temperature it allows compressor to activate When chamber temperature is equal or lower than set temperature 0 6 compressor will be inoperative 12 Remote alarm In norma
6. Sanyo never guarantee any safety if the appliance is used for any objects other than intended use or used by any procedures other than those mentioned in this manual Keep this manual in an adequate place to refer to it as necessary The contents of the manual will be subjected to change without notice due to the improvement of performance or functions Contact Sanyo sales representative or agent if any page of the manual is lost or page order is incorrect Contact Sanyo sales representative or agent if any point in this manual is unclear or if there are any inaccuracies No part of this manual may be reproduced in any form without the expressed written permission of Sanyo CAUTION SANYO guarantees the product under certain warranty conditions SANYO in no way shall be responsible for any loss of content or damage of content 31 3 PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with this manual as it contains important safety advice Items and procedures are described so that you can use this unit correctly and safely If the precautions advised are followed this will prevent possible injury to the user and any other person Precautions are illustrated in the following way WARNING Failure to observe WARNING signs could result in a hazard to personnel possibly resulting in serious injury or death CAUTION Failure to observe CAUTION signs could result in injury to personnel and damage to the unit
7. a dry cloth to wipe off small amounts of dirt on the outside and inside of the unit and all accessories If the outside panels are dirty clean them with a diluted neutral dishwashing detergent Undiluted detergent can damage the plastic components For the dilution refer to the instruction of the detergent After the cleaning with the diluted detergent always wipe it off with a wet cloth Then wipe off the cabinet or accessories with a dry cloth Never pour water onto or into the unit Doing so can damage the electric insulation and cause failure The compressor and other mechanical parts are completely sealed This unit requires absolutely no lubrication Remove the frost or ice on the chamber wall and clean the condenser filter once a month Defrosting This product is refrigerated by the direct cooling When it uses for a long time frost appears on the chamber wall side It cannot be cooled down when there is much amount of frost The defroster is mentioned in the following Use the scraper provided for removing the frost if the freezer operation must be continued Pay attention not to impact or damage the inner wall 1 When defrosting temporarily move all the contents of containers in the freezer to another low temperature freezer 2 Place the empty defrost storage container inside the freezer 3 Press defrost key DEF for 5 seconds to stop the refrigerating operation While the refrigerating operation is stopped the curr
8. and associated property Symbol shows this symbol means caution this symbol means an action is prohibited this symbol means an instruction must be followed Be sure to keep this manual in a place accessible to users of this unit lt Label on the unit gt This mark is labeled on the cover in which the electrical components of high voltage are enclosed to prevent the electric shock The cover should be removed by a qualified engineer or a service personnel only 32 4 PRECAUTIONS FOR SAFE OPERATION Do not use the unit outdoors Current leakage or electric shock may result if the unit is exposed to rain water Only qualified engineers or service personnel should install the unit The installation by unqualified personnel may cause electric shock or fire Install the unit on a sturdy floor and take an adequate precaution to prevent the unit from turning over If the floor is not strong enough or the installation site is not adequate this may result in injury from the unit falling or tipping over Never install the unit in a humid place or a place where it is likely to be splashed by water Deterioration of the insulation may result which could cause current leakage or electric shock Never install the unit in a flammable or volatile location This may cause explosion or fire Never install the unit where acid or corrosive gases are present as current leakage or electric shock may result due to corrosion Alway
9. be closed completely The disposal of the unit should be accomplished by appropriate personnel Remove doors to prevent accidents such as suffocation Do not put the packing plastic bag within reach of children as suffocation may result WARNING 34 6 PRECAUTIONS FOR SAFE OPERATION Use a dedicated power source a dedicated circuit with a breaker as indicated on the rating label attached to the unit A branched circuit may cause fire resulting from abnormal heating Connect the power supply plug to the power source firmly after removing the dust on the plug A dusty plug or improper insertion may cause a heat or ignition Never store corrosive substances such as acid or alkali in this unit if the container cannot be sealed These may cause corrosion of inner components or electric parts Check the setting when starting up of operation after power failure or turning off of power switch The stored items may be damaged due to the change of setting Be careful not to tip over the unit during movement to prevent damage or injury Prepare a safety check sheet when you request any repair or maintenance for the safety of service personnel CAUTION 34 35 7 ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions based on the IEC 61010 1 Indoor use Altitude up to 2000 m Ambient temperature 5oC to 30oC Maximum relative humidity 80 for temperature up to 31o
10. less humidity Installation under high humidity may cause current leakage or electric shock WARNING Do not use the unit outdoors Current leakage or electric shock may result if the unit is exposed to rain water Never install the unit in a humid place or a place where it is likely to be splashed by water Deterioration of the insulation may result which could cause current leakage or electric shock A location without flammable or corrosive gas Never install the unit in a flammable or volatile location This may cause explosion or fire or may result in the current leakage or electric shock by the corrosion of the electrical components A location without the possibility of anything fall Avoid installing the unit in the location where anything can fall down onto the unit This may cause the breakdown or failure of the unit 40 12 INSTALLATION 1 Removing the packaging materials and tapes Remove all transportation packaging materials and tapes Open the doors and ventilate the unit If the outside panels are dirty clean them with a diluted neutral dishwashing detergent Undiluted detergent can damage the plastic components For the dilution refer to the instruction of the detergent After the cleaning with the diluted detergent always wipe it off with a wet cloth Then wipe off the panels with a dry cloth 2 Adjust the leveling feet Extend the leveling feet by rotating them counterclockwise to contact them to the floor Ensur
11. supplied E11 Valve sensor is disconnected E11 and 50 are displayed alternately High Low E12 Valve sensor is short circuited E12 and 50 are displayed alternately Note E09 and Blank are displayed during power failure 12 5 Key lock function In chamber temperature display press digit shift key for 5 seconds to step to Key Lock mode with L 0 displayed When you set to 1 by using numerical value shift key Key Lock is ON Once Key Lock is ON values are unchangeable defrosting cannot be performed while Function mode is operative and ALARM test can be performed Press SET key to memorize value and unit returns to chamber temperature display When you set to 0 by using numerical value shift key Key Lock is OFF 6 Power failure alarm buzzer and display are not operative without power supplied When a power is failed power failure alarm will be given by battery ALARM lamp will blink digital display will go off buzzer will sound intermittently and remote alarm output will activate Buzzer will stop sounding if BUZZER key is pressed Press BUZZER key to show a current chamber temperature for 5 seconds Any keys but BUZZER key will be inoperative during power failure alarm 7 Alarm test This function is to ensure ALARM lamp buzzer and remote alarm are workable In chamber temperature display ALARM lamp will blink buzzer will sound remote alarm will activate a
12. temperature is higher than setting temperature 5 15 initial 10 ALARM lamp and digital display blink Buzzer sounds and remote alarm output activates with 15 minutes delay Low temperature alarm When a chamber temperature is lower than setting temperature 5 15 initial 10 ALARM lamp and digital display blink Buzzer sounds and remote alarm activates with 15 minutes delay How to set Press numerical value shift key for 5 seconds to step to Function mode F00 displays Set F01 by using numerical value shift key for setting high temperature alarm set F02 for setting low temperature alarm Press SET key and set a required value by numerical value shift key and digit shift key Press SET key again to memorize the value Unacceptable setting When you try to set value out of range and press SET key buzzer sounds for 1 second to inform the value is unacceptable to set 3 Defrosting In chamber temperature display press DEF key for 5 seconds to start defrosting Compressor and solenoid valve are inoperative during defrosting Press DEF key again to come defrosting to the end 4 Error codes Error code priority E01 Temperature sensor is disconnected E01 and 50 are displayed alternately E02 Temperature sensor is short circuited E02 and 50 are displayed alternately E09 BATTERY switch is off position E09 is displayed if BATTERY switch is off poison when the power is
13. that the recording chart will not be forced out of the date hour slot See Fig 5 6 After ascertaining that the holes on the side of the chart are locked into the teeth of the sprocket turn the gear and send the chart into the used chart compartment Setting of time 1 Turn the gear on the date hour slot to the desired time 2 After properly folding the recording chart in the used or unused chart compartment replace the cartridge Removing of the used recording chart After recording take out the cartridge and remove the recording chart from the recording chart outlet If not all of the recording chart has been fed into the used recording chart compartment send all the recording chart in the compartment first turning the gear Battery replacement To replace the battery turn the knob counterclockwise to open the lid Place the battery in the battery case according to the plus minus indications on the bottom of the battery case See Fig 6 At the time of the first use the battery Note This temperature recorder is designed for the manganese dry cell and the alkaline dry cell Do not use a rechargeable battery because the initial voltage of such battery is low The rechargeable battery may cause the malfunction of temperature recorder or shorten the battery life significantly Start up 1 The quartz motor is started by placing a R14 or size C dry cell battery in the battery case 2 Check the operation of the recorder
14. using the quartz motor rotation check gear 3 Replace the battery once a year Stopping The temperature recorder is stopped by taking the battery out of the battery case Fig 5 Fig 6 57 29 TEMPERATURE RECORDER OPTION Installation of MTR 4015LH The temperature recorder is installed on the left lower front of the freezer 1 Remove the screw on the cover for the temperature recorder space on the lower front of the freezer Open the cover and push the shaft on the both sides outward to remove the cover Fig 7 2 Remove the wire grille on the back bottom of the freezer See Fig 9 3 Set the automatic temperature recorder MTR 4015LH to the recorder fixture MPR S30 option referring to a manual enclosed with the recorder fixture Fig 8 4 Install the temperature recorder in the temperature recorder space 5 Route the capillary tube of the temperature recorder to the back of the freezer through the unit compartment 6 Remove 2 rubber caps outside and inside on the access port on the back of the freezer and also remove the insulation in the port 7 Pass the temperature recorder sensor into the chamber through the access port Fig 10 8 After covering the temperature recorder sensor with the cover provided fix the recorder sensor under the 3rd shelf by using 2 enclosed binders See Fig 11 9 Make a small cut on the rubber caps for capillary to pass 10 Replace the insulation into the access port and cover the p
15. 0 ALARM lamp and LED display brink buzzer beeps and remote alarm activates with 15min of delay Low temp SV 5 15 changeable Initial 10 ALARM lamp and LED display brink buzzer beeps and remote alarm activates with 15min of delay Remote alarm Remote alarm terminal 3P contact capacity DC30V 2A Max Remote alarm activates when temp alarm or power failure occur Alarm resume time Buzzer beeps again after alarm resume time expires Range 10 60 min changeable Initial 30min Unit 10min 000 Not resumed Battery age When battery accumulation time reaches about 2 8 years battery will be recommended to replace by displaying chamber temperature and F1 alternately Fan motor age When fan motor accumulation time reaches about 5 6 years fan motor will be recommended to replace by displaying chamber temperature and F1 alternately Alarms Power failure ALARM lamp brinks buzzer beeps and LED display turns off Remote alarm activates Control panel ALARM lamp BUZZER Buzzer stop key ALARM TEST Alarm test key SET Setting key Digit shift key Numerical value shift key DEF Defrost key Key lock function Press key for 5 seconds to step in Key Lock mode L0 Unlocked L1 Locked Self diagnosis function When a sensor is failed error code and chamber temperature are displayed alternately Remote alarm activates and buzzer beeps Compressor protection Overload relay Internal Performance speci
16. 502AT 1 502AT 1 Rating 5K 25 5K 25 5K 25 Valve sensor Type 502AT 1 502AT 1 502AT 1 Rating 5K 25 5K 25 5K 25 Battery Type 5HR AAC 5HR AAC 5HR AAC Rating 6V 1100MAH 6V 1100MAH 6V 1100MAH Battery switch Type SLE6A2 5 SLE6A2 5 SLE6A2 5 Rating AC250V 4A AC250V 4A AC250V 4A Breaker switch Type BAM215131 BAM215131 BAM215131 Rating AC250V 15A AC250V 15A AC250V 15A Solenoid valve Type NEVAC220V NEVAC220V NEVAC240V Rating 220V 50 60Hz 220V 50 60Hz 240V 50 60Hz Type FU2 C051B5MP FU2 C051B5MP FU2 O051B5MP Rating AC220 240V 50 60Hz AC220 240V 50 60Hz AC220 240V 50 60Hz Thermal fuse 130 130 130 AC230V 240V 50Hz Condensing fan motor MDF U5412 AC220V 60Hz AC220V 50Hz Electric components 8 Components on PCB CN8 1 2 To Battery 6V CN1 1 3 To Switching power supply CN2 1 6 To MTR 480 Option CN4 1 2 To Temp control relay 3 4 To Solenoid valve relay CN3 1 3 To Remote alarm terminal CN5 1 6 To Display PCB CN51 7 8 To Buzzer CN6 1 12 To Display PCB CN52 CN7 3 4 To Valve sensor 9 10 To Temp sensor 9 Specifications of sensor The following shows temperature and resistance characteristics on each thermistor sensor type 502AT 1 Temperature Resistance k Temperature Resistance k Temperature Resistance k 50 154 50 7 17 92 12 8 17 45 116 50 6 17 16 13 7 85 40 88 85 5 16 43 14 7 55
17. 90 seconds has passed without any key operation 45 17 REMOTE ALARM TERMINAL WARNING Always disconnect the power supply cord before connecting an alarm device to the remote alarm terminal The remote alarm terminal is installed at the back of the unit The alarm is outputted from this terminal Contact capacity is DC 30 V 2 A Contact output between COM and N O between COM and N C At normal Open Close At abnormal Close Open Note The remote alarm is silenced by pressing the buzzer stop key BUZZER as the remote alarm is operated in conjunction with the buzzer except for the power failure alarm and alarm test It is the same condition with being abnormal at the time of the power failure 46 18 ALARMS amp SAFETY FUNCTIONS This unit has the alarms and safety functions shown in Table 6 and also self diagnostic functions Table 6 Alarms and safety functions Alarm amp Safety Situation Indication Buzzer Safety operation High temperature alarm If the chamber temperature is higher than the temperature at which the high temperature alarm is activated Alarm lamp is flashed Temperature indicator is flashed Intermittent tone with 15 minutes delay Remote alarm with 15 minutes delay Low temperature alarm If the chamber temperature is lower than the temperature at which the low temperature alarm is activated Alarm lamp is flashed Temperature indicator is flashed Intermitten
18. 9g Refrigerant Oil additive n pentane Charged q ty 11g 18cc 6 Refrigeration Circuit Header Evaporator Capillary tube Capillary tube Solenoid valve Condenser Frame pipe Compressor Pre condenser Dryer Check valve Accumulator X Point to evacuate 7 Compressor Type C 1RN40L6A C 1RN4L5C C 1RN4L5C Code 802 012 16 802 012 15 802 012 15 Rated voltage 50 60Hz 220V 60Hz 220 240V 50Hz 220 240V 50Hz Winding resistance C R Main 5 34 25 7 37 25 7 37 25 C S Aux 8 88 25 15 76 25 15 76 25 Starting relay Type AMVL 300A AMVL 300A AMVL 300A Pick up voltage AC185V 217V AC185V 217V AC185V 217V AC215V 232V AC215V 232V AC215V 232V Drop out voltage AC60 120V AC60 120V AC60 120V AC69 132V AC69 132V AC69 132V Starting capacitor Rating 40F 300VAC 40F 300VAC 40F 300VAC Running capacitor Rating 10F 400VAC 12F 370VAC 12F 370VAC Temp control relay Type G4F 11123T G4F 11123T G4F 11123T Contact capacity AC220V 20A AC220V 20A AC220V 20A Coil DC12V DC12V DC12V Solenoid valve relay Type G2R 1A T G2R 1A T G2R 1A T Contact capacity AC250V 10A AC250V 10A AC250V 10A Coil DC12V DC12V DC12V Switching power supply Type ZWS10 12 J ZWS10 12 J ZWS10 12 J Input AC100 240V 50 60Hz 0 3A AC100 240V 50 60Hz 0 3A AC100 240V 50 60Hz 0 3A Rated output DC12V 0 85A DC12V 0 85A DC12V 0 85A Temp sensor Type 502AT 1
19. C decreasing linearly to 50 relative humidity at 40oC Mains supply voltage fluctuations not to exceed 10 of the nominal voltage Other supply voltage fluctuations as stated by the manufacturer Transient overvoltages according to Installation Categories Overvoltage Categories II For mains supply the minimum and normal category is II Pollution degree 2 in accordance with IEC 60664 36 8 FREEZER COMPONENTS 12 Back side 11 14 1 9 2 8 15 3 4 7 5 6 10 1 13 37 9 FREEZER COMPONENTS 1 Door To open the door grip the handle On closing lock the door latch completely 2 Handle Always grip the handle to open the door 3 Lock Turn clockwise to 180o with a key and the door is securely locked 4 Defrost water vessel amp storage container The container can be used to collect the defrosted water when defrosting 5 Space for temperature recorder An temperature recorder optional component can be attached here See page 27 Temperature recorder 6 Leveling foot The height of the freezer can be adjusted by this screw type foot Keep the unit in level at the installation See page 12 INSTALLATION 7 Caster 4 casters are provided to facilitate moving of the cabinet For the installation adjust the leveling foot so that the front 2 casters cannot contact with the floor 8 Door latch To lock the door turn this latch downward A padlock is also ava
20. RS DE UE Le symbole et les syst mes de recyclage voqu s ci dessous s appliquent uniquement aux pays de UE Votre produit SANYO est con u et fabriqu avec des composants et des mat riaux de hautes qualit s qui peuvent tre recycl s et ou r utilis s Le symbole signifie que les quipements lectriques et lectroniques les batteries et les accumulateurs ne doivent pas tre mis au rebut avec les d chets domestiques l issue de leur dur e de vie Remarque Si un symbole chimique est imprim sous le symbole le symbole chimique indique que la batterie ou l accumulateur contient une certaine concentration de m taux lourds Les m taux sont indiqu s de la mani re suivante Hg mercure Cd cadmium Pb plomb Il existe diff rents syst mes de collecte pour les quipements lectriques et lectroniques les batteries et les accumulateurs usag s au sein de l Union europ enne Veuillez mettre les quipements au rebut de mani re correcte aupr s de votre centre de recyclage de collecte des d chets local Aidez nous pr server l environnement dans lequel nous vivons Les machines ou appareils lectriques et lectroniques contiennent fr quemment des mati res qui si elles sont trait es ou limin es de mani re inappropri e peuvent s av rer potentiellement dangereuses pour la sant humaine et pour l environnement Cependant ces mati res sont n cessaires au bon fonctionnement de votre appareil ou de votre ma
21. SET key to memorize the value Zero calibration of temp sensor is done by differential input Ex When measured center temperature is 28 5and display temperature is 30 you should add 1 5 to the value in F07 Calculation 28 5 30 F12 Display of temperature of temp sensor Input service code 384 prior to use the function Display range is 72 0 83 0 Decimal point is displayed but minus code of a value which is equal or lower than 20 is not displayed Ex Actual temperature 35 gt Displays as 35 0 F15 Display of temperature of valve sensor Input service code 384 prior to use the function Display range is 72 0 163 14 F17 Check of model code 004 MDF U5412 Input service code 384 prior to use the function In F17 display press SET key to display 001 initial and change the value by numerical value shift key Press SET key to memorize the value Initial setting values Chamber temp 40 Key lock mode 0 OFF High temp alarm Set temperature 10 Low temp alarm Set temperature 10 Zero calibration 0 for temp sensor Compressor delay time 0 minutes Communication ID 000 Communication mode 000 Alarm resume time 030 30 minutes F21 Setting of serial communication ID Settable range 000255 000 No communication F22 Setting of serial communication mode Control mode The 3rd digit 0 Local Initial 1 Remote Baud rate The
22. Service Manual Biomedical Freezer SANYO Electric Co Ltd Biomedical Business Division MDF U5412 SM9910214 FILE No Effective models This service manual is effective following models Model Product code Voltage and Frequency MDF U5412 823 018 53 220V 60Hz 823 018 54 230 240V 50Hz 823 018 56 220V 50Hz Contents Page Features 1 Specific ations 2 Structural specifications Control specifications Performance specifications Dimensions 4 Cooling unit parts 5 Refrigeration circuit 6 Elec tric c omponents 7 Components on PCB 8 Specific ations of s ensor 9 Control s pecifications 10 Wiring diagram 17 Circuit diagram 18 Parts layout 19 Test data 22 Pull down characteristics Pull up characteristics Pull down press ure Pull down power consumption amp current Temperature uniform
23. ack side bottom gt lt Terminal cover is removed gt Zoom in Compressor Tube connect ass y Check valve Fan motor connection 21 lt Electric BOX on top of unit Back side gt Power switch Remote alarm terminal Power cord Battery switch Starting capacitor lt Electric BOX gt Running capacitor Temp controller PCB Starting relay Switching power supply Temp control relay Breaker switch Battery Solenoid valve relay lt Temp sensor wiring harness Back side gt 22 All the data are the reference only Pull down characteristics 50 0 40 0 30 0 20 0 10 0 0 0 10 0 20 0 30 0 40 0 0 2 4 6 8 10 12 Time scale h 1 2 chamber air temp 50Hz230V 60Hz220V AT 30 no load Test data Pull up characteristics 50 40 30 20 10 0 10 20 0 2 4 6 8 10 12 Time scale h 1 2 chamber air temp AT30 no load 23 Pull down pressure 0 2 4 6 8 10 12 Time scale h Pressure MPa AT 30 no load Pull down power consumption amp current 0 0 5 1 1 5 2 2 5 3 3 5 0 1 2 3 4 6 7 8 9 10 11 Time scale h Current value A 0 50 100 150 200 250 300 350 Power consumption W 50Hz230V A 60Hz220V A 50Hz230V W 60Hz220V W AT 30 no load 24 Temperature uniformity 15 points measured AT20 No load lt Measur
24. after certain suspension if the alarm condition is continued The suspension time can be set by following the procedure shown in the Table 5 below The example in the table is based on the assumption that the desired duration is 20 minutes Note The duration is set in 30 minutes at the factory Table 5 Setting procedure for alarm resuming time change from 30 minutes to 20 minutes Description of operation Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press digit shift key for 5 seconds The first digit is flashed The settable digit is shifted 3 Set the figure to F25 with the digit shift key and numerical value shift key When pressed the figure of settable digit changes 4 Press set key SET The current reset time is displayed The middle digit is flashed 5 Set the figure to 020 with the numerical value shift key When pressed the figure of settable digit changes 6 Press set key SET The setting is memorized and the current chamber temperature is displayed The settable alarm resume time are 10 20 30 40 50 or 60 minutes The buzzer and remote alarm would not reset if the resume time is set in 000 The setting of alarm reset time cannot be changed during the defrosting The buzzer and remote alarm during power failure or alarm testing cannot be silenced The temperature set mode returns to the temperature display mode automatically when
25. cal value shift key and press SET key F01 Setting of high temperature alarm Setting range is 5 15 Initial 10 F02 Setting of low temperature alarm Setting range is 5 15 Initial 10 F05 Setting of compressor delay time This function is to reduce compressor start up failure and breaker tripping which will be caused after power failure Setting range is 315 minutes Initial 3 minutes This function is active when the power is supplied micro computer is reset F06 Input service code 384 by numerical value shift key and digit shift key prior to perform F07 or latter number function codes Press SET key to memorize the value You can change value for F21 and F22 without inputting service code Note Service code will be memorized until you input 000 in F06 or the main power turns off lt Reset of battery accumulation time gt Input service code 384 then 409 to reset battery accumulation time Unit automatically reverts to chamber temperature display lt Reset of fan motor accumulation time gt Input service code 384 then 419 to reset fan motor accmulation time Unit automatically reverts to chamber temperature display F07 Zero calibration of temp sensor Input service code 384 prior to use the function Setting range is 9 9 9 9 In F07 display press SET key to display 00 0 initial value and set temperature by numerical value shift key and digit shift key Press
26. chine Pour cette raison il vous est demand de ne pas vous d barrasser de votre appareil ou machine usag avec vos ordures m nag res Spanish PARA USUARIOS DE LA UNION EUROPEA El s mbolo y los sistemas de reciclado descriptos a continuaci n se aplican para pa ses de la Uni n Europea y no se aplica para pa ses en otras reas del mundo Su producto SANYO fue dise ado y fabricado con materiales de alta calidad y componentes que pueden ser reciclados y o vueltos a usar El s mbolo significa que los equipos el ctricos y electr nicos bater as y acumuladores al final de su vida til debe ser desechados separadamente de sus residuos domiciliarios Nota Si hay un s mbolo qu mico impreso debajo del s mbolo este s mbolo qu mico significa que la bater a o acumulador contiene una cierta concentraci n de un metal pesado Esto es indicado de la siguiente manera Hg mercurio Cd cadmio Pb plomo En la Uni n Europea hay sistemas de recolecci n separados para equipos el ctricos y electr nicos bater as y acumuladores usados Por favor disponga de ellos correctamente en el centro de recolecci n de residuos reciclado de la comunidad de su localidad Por favor ay denos a proteger el medio ambiente en que vivimos 53 25 DISPOSAL OF UNIT Portuguese PARA UTILIZADORES DA UE O s mbolo e os sistemas de reciclagem descritos abaixo aplicam se aos pa ses da UE e n o se aplicam aos pa ses noutras reas do mu
27. e the unit is level Fig 1 3 Fixing the unit Two fixtures are attached to the rear of the frame Fix the frame to the wall with these fixtures and rope or chain Fig 2 4 Ground earth The ground earth is for preventing the electric shock in the case of the electrical insulation is somehow degraded Always ground the unit at the time of installation WARNING Use a power supply outlet with ground earth to prevent electric shock If the power supply outlet is not grounded it is necessary to install a ground by qualified engineers Never ground the unit through a gas pipe water main telephone line or lightning rod Such grounding may cause electric shock in the case of an incomplete circuit Leveling foot Fig 1 Fixture Fig 2 41 13 START UP OF UNIT Follow the procedures for the initial and consequent operations of the unit 1 Connect the power cord to the dedicated outlet having appropriate rating with the chamber empty and turn on the power switch on the freezer 2 Check that the battery switch is on 3 Set the desired chamber temperature See page 14 for the temperature setting 4 Check that the chamber temperature reaches the desired temperature 5 Make sure that the alarm lamp blinks and the buzzer sounds by pressing the alarm test key ALARM TEST The remote alarm is also operated E09 is displayed on the control panel and buzzer sounds if the battery switch is off Make sure to turn on the batt
28. ed during defrost performs an error code and chamber temperature are displayed alternately dF will be gone off During defrost performs any keys but BUZZER are inoperative ALARM TEST In chamber temperature displays press this key to activate alarm test mode Press the key again to stop ALARM TEST performing When BATTERY switch is ON position press this key to blank the display ALARM lamp blinks and buzzer sounds When BATTERY switch is OFF position press this key to display E09 ALARM lamp blinks and buzzer sounds During alarm test performs any keys but ALARM TEST key are inoperative Digit shift key Press this key is in setting mode that enables changeable digit to shift Press this key for 5 seconds to step to Key Lock mode L 0 displays Numerical value shift key Press this key in setting mode that enables numerical value to shift Press this key for 5 seconds to step to Key Lock mode L 0 displays 2 Temperature control high amp low temperature alarm lt Temperature control gt Setting range 18 45 Display range 50 50 How to set Press SET key to set required value using with digit shift key and numerical value shift key Press SET key again to memorize the value 11 Unacceptable setting When you try to set value out of range and press SET key buzzer sounds for 1 second to inform the value is unacceptable to set lt Alarms gt High temperature alarm When a chamber
29. ed points gt 50mm upper from bottom of 3rd level container 50mm lower from top edge of upper container lt Measured points gt Upper 50mm lower from top of top container Center Corner Middle 50mm upper from bottom of 3rd stage container Center 1 2H Corner Lower 50mm upper from bottom of bottom container Center Corner 50 50mm 10 50 50 50mm upper from bottom of bottom container Corner Center 25 lt Temperature uniformity gt SV 30 Unit Amount of power consumption Amount of power consumption when driving at cycle UnitkWh day 50Hz 60Hz 50Hz 60Hz 220V 3 66 2 62 4 51 3 39 230V 3 74 4 84 240V 3 93 5 63 SV 40 Unit SV 30 Unit Amount of power consumption Amount of power consumption when driving at cycle UnitkWh day SV 40 Unit Note This data does not represent a guarantee of product performance Ambient temperature 20 SV 30 SV 40 26 Note This data does not represent a guarantee of product performance Temperatures during cycle 50Hz230V 0 20 40 60 80 100 120 140 160 180 Time min Temperature SV 30 SV 35 SV 40 AT 30No load Temperatures during cycle 60Hz220V 45 40 35 30 25 0 20 40 60 80 100 120 140 160 180 Time min Temperature SV 30 SV 35 SV 40 AT 30No load 27 Instruction manual T
30. elf Access port Diameter 30 mm 2 on back side Condenser Wire and tube type Compressor Hermetic rotary type 400 W Refrigerant R 404A Temperature controller Microcomputer control system Temperature display Digital display between 50 and 50oC Temperature sensor Thermistor sensor Temperature alarm Flash of digital indicator and alarm lamp Buzzer Remote alarm Accessories 1 set of key 1 scraper 6 small baskets for upper chamber W290 x D536 x H136 mm 4 large baskets for lower chamber W290 x D536 x H238 mm Weight 134 kg Battery For power failure alarm Nickel metal hydride battery DC 6 V 1100 mAh Automatic charge 5HR AAC Optional component Temperature recorder MTR 4015LH MTR G85 Mounting kit for temperature recorder MPR S30 MPR S7 Interface board MTR 480 MTR L03 NoteDesign or specifications will be subject to change without notice The battery for power failure alarm is an article for consumption It is recommended that the battery will be replaced about every 3 years Contact Sanyo sales representative or agent at the time of replacement of the battery for recycling Fan motors are expendable supplies Exchange it for about every 6 years Contact Sanyo sales representative or agent at the time of replacement of the fan motor PERFORMANCE Cooling performance 40oC ambient temperature 30oC no load Temperature control range 20oC to 40oC Power source 220 V 50 Hz 220 V
31. ent chamber temperature and dF is displayed on the control panel alternately 4 After a several hours check visually that all frost was removed completely 5 Throw out the water that has accumulated in the defrost storage containers then wipe the inside of the freezer 6 Press defrost key DEF so that the refrigerating operation can be started 7 Once the chamber temperature has dropped to the desired temperature place the original contents back in the freezer chamber Note After the defrosting the refrigerating operation is never resumed automatically Make sure to press defrost key DEF to start the refrigerating operation after defrosting 48 20 REPLACEMENT OF BATTERY Location of a nickel metal hydride battery This unit is provided a nickel metal hydride battery for the power failure warning device The battery is located in the battery mounting plate inside the cover on the upper side Fig 1 The high voltage components are enclosed in the electrical box The cover should be removed by a qualified engineer or a service personnel only to prevent the electric shock Removal of nickel metal hydride battery 1 Turn off the power switch and disconnect the power supply plug 2 Remove 6 screws fixing the top cover with a screw driver and remove the top cover Fig 2 3 Disconnect the battery connector and remove 2 screws fixing the battery mounting plate Fig 3 4 Take out the battery Fig 4 5 Follow the procedure fo
32. ery switch 6 After confirming the above you can put articles into the freezer chamber in a small batch to prevent the temperature rise Note When starting the operation of the freezer for the first time the alarm lamp ALARM lights after the start of operation When the chamber temperature reaches around the set temperature then the alarm lamp goes out The remote alarm is not activated If the buttery switch is turned on before turning on the power of the freezer the temperature alarm is activated and the buzzer sounds and the remote alarm is also activated after the start of operation Check that the buttery switch is off before turning on the freezer Operation after power failure The set value is memorized by nonvolatile memory Accordingly the freezer resumes the operation with setting before power failure When the freezer is recovered from power failure with the chamber temperature higher than the preset temperature during a power failure then the high temperature alarm is activated and the buzzer sounds and the remote alarm is also activated Please push the buzzer stop key BUZZER to silence buzzer and take appropriate actions if needed 42 14 TEMPERATURE SETTING Table 1 shows the basic procedure for setting the chamber temperature Perform key operations in the sequence indicated in the table The example in the table is based on the assumption that the desired temperature is 25oC Note The unit is set at the fact
33. ey Pressing this key in the setting mode causes the changeable digit to shift Key lock is available by pressing this key for more than 5 seconds in the temperature display mode Refer to page 14 for the key lock 5 Set key SET Temperature setting mode is led by pressing this key Once the key is pressed the changeable digit is flashed Pressing this key again after setting desired temperature the setting is stored into computer memory If there is no key operation for 90 seconds during the setting mode the setting mode is invalid automatically See page 14 for the details 6 Defrost key DEF By pressing this key for 5 seconds the refrigerating operation is stopped Pressing this key again after defrosting leads resumption of the refrigerating operation Note The refrigerating operation never resumes automatically after defrosting 7 Buzzer stop key BUZZER To silence the audible alarm press this key The remote alarm is also stopped by pressing this key Buzzer cannot be stopped during remote alarm 8 Alarm test key ALARM TEST Test key for alarm device By pressing this key the alarm lamp is flashed remote alarm is activated and buzzer sounds This means all alarm function operate correctly This key is available only during normal running 8 7 6 5 4 3 1 2 39 11 INSTALLATION SITE To operate this unit properly and to obtain maximum performance install the unit in a location with the following condi
34. fications Item Specification Cooling performance 40 AT 30 no load Temperature control range 20 40 Power source 220V 50Hz 220V 60Hz 230 240V 50Hz Rated power consumption 240W 285W 255 290W Noise level 42dB background noise 20 dB Maximum pressure 1 80MPa 4 Dimensions 5 Cooling unit parts MDF U5412 Parts name Specifications lt For 220 240V 50Hz gt Type C 1RN40L5C Compressor cord 802 012 152 Rated power supply Single phase 220 240V 50Hz Oil Ze NIUSL22SA Charged qty 230cc Cooling method Air circulation by fan Starting relay AMVL 300A Overload relay Internal Starting capacitor 40 F 300VAC Running capacitor 12 F 370VAC lt For 220V 60Hz gt Type C 1RN40L6A Compressor cord 802 012 162 Rated power supply Single phase 220V 60Hz Oil Ze NIUSL22SA Charged qty 230cc Cooling method Air circulation by fan PTC AMVL 300A Overload relay Internal Starting capacitor 40 F 300VAC Compressor Running capacitor 10 F 400VAC Type Direct cooling tube on sheet type Evaporator Accumulator 30 L140 T1 0 mm Dryer Type D SM032T Resistance 0 73MPaG LengthL 4500 mm Outer diameterOD 1 8 mm Capillary tube Inner diameterID 0 7 mm Type Natural convection Condenser Wire and tube type 1 line 6 columns x P40mm W480 mm Pre condenser Condenser Frame pipe 4 0 x T0 5 Type R 404A Charged qty 25
35. he temperature recorder is MTR G85 and MTR 4015LH For the attachment the mounting kit is necessary Following shows the combination of recorder with the mounting kit Contact Sanyo sales representative or agent for the attachment of an automatic temperature recorder Temperature recorder Mounting kit MTR 4015LH MTR G85 circular chart type MPR S30 MPR S7 Setting of MTR 4015LH Pull the knob on the upper part of the temperature recorder forward to change the recording chart or battery Setting of recording chart 1 The information on the temperature recording chart is shown in Fig 1 2 Pull the cartridge up after opening the top lid The lid can be opened by turning the knob counterclockwise See Fig 2 3 As shown in Fig 3 insert the recording chart with the begin tab placed in the cartridge Check that the printed side is facing out 4 Place the recording chart beneath the arm and between the plate spring and guide plate in the direction of the arrow Note Do not scratch or put pressure on the recording chart Do no bend the recording chart Do not reverse the recording chart manually The used paper left in the used recording chart compartment can cause a malfunction Be sure to remove it See Fig 4 Fig 1 Fig 2 Fig 3 Fig 4 56 28 TEMPERATURE RECORDER OPTION 5 Place the recording chart between the guide and the guide plate Slide the recording chart along the guide plate so
36. his section is extracted and printed from Instruction Manual If you find out Refer to page in them this page means not page in Service manual but page in the lower corner of each page in the extract from Instruction Manual This page number is not corresponded with serial number in Service manual Please note the extracted Instruction Manual which corresponds to the initial unit production so the contents may be revised in future 28 MDF U5412 BIOMEDICAL FREEZER INSTRUCTION MANUAL 29 1 CONTENTS INTRODUCTION P 2 PRECAUTIONS FOR SAFE OPERATION P 3 ENVIRONMENTAL CONDITIONS P 7 FREEZER COMPONENTS P 8 Control panel P 10 INSTALLATION SITE P 11 INSTALLATION P 12 START UP OF UNIT P 13 TEMPERATURE SETTING P 14 Key lock function P 14 ALARM TEMPERATURE SETTING P 15 SETTING OF ALARM RESUME TIME P 16 REMOTE ALARM TERMINAL P 17 ALARMS amp SAFETY FUNCTIONS P 18 ROUTINE MAINTENANCE Cleaning of cabinet P 19 Defrosting P 19 REPLACEMENT OF BATTERY P 20 TROUBLESHOOTING P 21 DISPOSAL OF UNIT P 22 Recycle of battery P 22 TEMPERATURE RECORDER OPTION Setting of MTR 4015LH P 27 Installation of MTR 4015LH P 29 Installation of MTR G85 P 30 SPECIFICATIONS P 31 PERFORMANCE P 31 SAFETY CHECK SHEET P 32 30 2 INTRODUCTION Read this manual carefully before using the appliance and follow the instructions for safety operation
37. ilable 9 Storage container Made of styrol resin Be careful not to damage the container by a scraper at the time of defrosting 10 Control panel To display the temperature setting and running condition See page 10 for details 11 Remote alarm terminal Used to notify an alarm condition of the unit to remote location See page 17 for details 12 Battery switch Switch for battery used for power failure alarm Always keep ON Turn the switch OFF when the unit is in no use for a long period more than 1 month 13 Fixture on back side 2 fixtures are provided as spacers between the cabinet and wall and also serve as hooks to fix the unit See page 12 Installation 14 Power switch Switch for the freezer This switch also activates as an over current breaker 15 A 15 Access port This is used for leading a cable and sensor of a measuring equipment Note The door does not open quickly because the inside of the chamber becomes negative pressure after the door is closed 38 10 FREEZER COMPONENTS Control panel 1 Alarm lamp ALARM This lamp is flashed when the audible alarm is activated 2 Digital temperature indicator This indicator shows the present chamber temperature or set temperature 3 Numerical value shift key Pressing this key in the setting mode causes the numerical value to shift ON OFF of key lock can be selected by pressing this key in the key lock mode 4 Digit shift k
38. isplayed 2 Press digit shift key for 5 seconds The first digit is flashed 3 Press numerical value shift key and scroll the figure to 1 When pressed the figure of settable digit changes 4 Press set key SET The key lock is set to ON The current chamber temperature is displayed 43 15 ALARM TEMPERATURE SETTING This unit is provided with both high and low temperature alarms The temperature at which the alarm is activated can be changed The available set range for high temperature alarm is between 5oC and 15oC and 5oC and 15oC for low temperature alarm against the set temperature Note The temperature alarm is set at 10oC of the set temperature at the factory Display Mode Function High temperature alarm set See Table 6 on page 18 Low temperature alarm set See Table 6 on page 18 As an example Table 3 shows the procedure to set the high temperature alarm so that the alarm can activate when the chamber temperature is 5oC higher than the set temperature Table 4 shows the procedure to set the low temperature alarm so that the alarm can activate when the chamber temperature is 5oC lower than the set temperature Table 3 Procedure for setting high temperature alarm Description of operation Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press numerical value shift key for about 5 seconds The first digit is flashed 3 Press numerical value shif
39. ity Amount of power cons umption Temperatures during c ycle Instruc tion manual 27 1 Features Temperature control New cooling system realizes to set to 20 which is suitable for reagent preservation with ambient temperature at 30 HFC refrigerant Refrigerant circuit contains HFC refrigerant that effects to environment little Latest cooling system reduces negative factor to global environment With ambient temperature at 30 while temperature of inside chamber maintains 40 Specification unified Unified specification for same categories which also realized to unify performance for high low temperature alarm the available setting range is between 5 and 15 for high temperature alarm 5 and 15 for low temperature alarm against the set temperature power failure alarm remote alarm terminal setting memorization by non volatile memory Self diagnosis function Abnormal condition for temperature sensor is indicated as E1 E2 by self diagnosis system Storage box Storage box makes easily to access and arrange for stores Validation Control panel enable Zero 0 adjust for validation Door latch mechanism Door latch prevents the door from being ajar to preserve reagent without damaged Individual lock can be arranged Consult to your sales representative 2 Specifications Structural specifications Item Specification Na
40. l operation Remote alarm contact is opened In alarm or power failure Remote alarm contact is closed 13 Solenoid valve Solenoid valve is a magnetic valve which transfers gas to capillary tube that is located in the center of evaporator 1 In condition that 18SV set temperature 25 Solenoid valve will forcibly inactivate when PV chamber temperature SV set temperature 5 0 Ex 1 SV set temperature 20 PV chamber temperature 10 10 20 5 15 15 is higher than 0 gt Solenoid valve inactivates forcibly 2 SV set temperature 20 PV chamber temperature 30 30 20 5 5 5 is lower than 0 gt Solenoid valve activates 2 Diagnosis value for valve operation Solenoid valve is controlled with every 30 minutes by comparing diagnosis value with SV set temperature The comparison is done after 1 minute elapses since the unit was started In condition that AT ambient temperature 18 0 diagnosis value is 40 0 In condition that AT ambient temperature 18 0 diagnosis value is 0 6 x AT ambient temperature 51 In condition that AT ambient temperature diagnosis value solenoid valve is linked with compressor That is solenoid valve transfers gas to the capillary tube when compressor activates Ex 1 AT ambient temperature 15 SV set temperature 40 Diagnosis value is 40 0 AT ambient temperature is higher than 40 diagnosis value so solenoid valve links with compressor
41. me Biomedical freezer Model MDF U5412 Exterior dimensions W 804 D 772 H 1802 mm Interior dimensions W 658 D 607 H 1272 mm Effective capacity 482 liters Exterior Painted steel Interior cabinet Styrol resin Outer door 2 Painted steel Door latch 2 Door lock 1 Insulation Rigid polyurethane foamed in place Access port 30mm 2 on back side Caster 4 Leveling legs 2 Weight 134 Kg Evaporator Tube on sheet type also used as a shelf Condenser Wire and tube type Compressor Hermetic rotary type 400W Compressor oil Ze NIUSL22SA Refrigerant R 404A HFC refrigerant Battery For power failure alarm Nickel hydrogen battery DC6V 1100mAh Automatic charge 5HR AAC Accessories 1 set of key 1 scraper 6 small baskets for upper chamber W290 x D536 x H136 mm 4 large baskets for lower chamber W290 x D536 x H238 mm Power supply Single phase local voltage Optional components Temperature recorder MTR 4015LH MTR G85 Mounting kit for MTR 4015LH MPR S30 Mounting kit for MTR G85 MPR S7 Interface board MTR 480 MTR L03 3 Control specifications Item Specification Temperature controller Microprocessor controlled system with non volatilized memory Settable range 18 45 unit 1 Memorized by Non volatile memory Temperature sensor Thermistor sensor Type 502AT Temperature display LED digital display Unit 1 Range 50 50 High temp SV 5 15 changeable Initial 1
42. means that the battery or accumulator contains a heavy metal at a certain concentration This will be indicated as follows Hg mercury Cd cadmium Pb lead In the European Union there are separate collection systems for used electrical and electronic equipment batteries and accumulators Please dispose of them correctly at your local community waste collection recycling centre Please help us to conserve the environment we live in German F r EU Staaten Das Symbol und das erw hnte Wiederverwertungssystem gelten nur f r die L nder der EU und nicht f r andere L nder oder Gebiete in der Welt Die Produkte von SANYO werden aus hochwertigen Materialien und Komponenten gefertigt die sich wieder verwenden lassen Das Symbol bedeutet dass elektrische oder elektronische Ger te Batterien und Akkus am Ende ihrer Lebensdauer nicht im Haushaltm ll entsorgt werden d rfen Hinweis Ein chemisches Zeichen unter dem Symbol bedeutet dass die Batterie bzw der Akku Schwermetalle in gewissen Konzentrationen enth lt Die Metalle werden wie folgt bezeichnet Hg Quecksilber Cd Kadmium Pb Blei In der Europ ischen Union gibt es separate Sammelstellen f r elektrische und elektronische Ger te Batterien und Akkus Entsorgen Sie solche Ger te bitte richtig in der kommunalen Sammelstelle bzw im Recyclingzentrum Helfen Sie mit die Umwelt in der wir leben zu sch tzen 52 24 DISPOSAL OF UNIT French POUR LES UTILISATEU
43. nd digital display will go off when you press ALARM TEST key Any keys but ALARM TEST key will be inoperative during ALARM TEST is performed Note E09 will be displayed even if other error code displays prior to perform alarm test 8 Auto return function If there are no key operations for 90 seconds in setting mode or key lock mode or function mode a value which will be set is not memorized and unit returns to chamber temperature display 9 Compressor delay time In cycle operation compressor will inactivate for 3 minutes since the compressor turns off When the power is supplied micro computer is reset compressor delay time is changeable 3 15 minutes See Function mode F05 for details 10 Function mode F01 Setting of high temperature alarm F02 Setting of low temperature alarm F05 Setting of compressor delay time F06 Setting of service code F07 Zero calibration of temp sensor F12 Display of temperature of temp sensor F15 Display of temperature of valve sensor F17 Check of model code F21 Setting of communication ID 000255 F22 Setting of communication mode F25 Setting of alarm resume time F32 Display of fan motor accumulation time F45 Display of battery accumulation time F46 Display of diagnosis value 13 How to step to Function mode In chamber temperature display press numerical value shift key for 5 seconds to step to Function mode with F00 displays Input required function code by numeri
44. ndo O seu produto SANYO foi concebido e fabricado com materiais e componentes de elevada qualidade que podem ser reciclados e ou reutilizados O s mbolo significa que o equipamento el ctrico e electr nico baterias e acumuladores em final de vida n o devem ser deitados fora juntamente com o lixo dom stico Aten o Se estiver impresso um s mbolo qu mico debaixo do s mbolo de este s mbolo qu mico significa que a bateria ou acumulador cont m um metal pesado numa determinada concentra o Estar indicado da seguinte forma Hg merc rio Cd c dmio Pb chumbo Na Uni o Europeia existem sistemas de recolha separados para equipamento el ctrico e electr nico baterias e acumuladores Por favor entregue os no seu centro de reciclagem recolha de lixo local Por favor ajude nos a conservar o ambiente Italian PER UTENTI UE Il simbolo e i sistemi di riciclaggio descritti di seguito si applicano esclusivamente ai paesi dell UE Questo prodotto SANYO stato progettato e realizzato con materiali e componenti di elevata qualit che possono essere riciclati e o riutilizzati Il simbolo di riciclaggio mostrato di seguito indica che i dispositivi elettrici ed elettronici le batterie e gli accumulatori una volta esauriti devono essere smaltiti separatamente rispetto ai rifiuti domestici Nota Se sotto il simbolo di riciclaggio appare un simbolo chimico esso sta ad indicare che la batteria o l accumulatore contengo
45. no metalli pesanti a determinate concentrazioni Questo viene specificato come segue Hg mercurio Cd cadmio Pb piombo Nell Unione europea esistono diversi sistemi per la raccolta dei rifiuti speciali quali i dispositivi elettrici ed elettronici le batterie e gli accumulatori Si raccomanda di provvedere allo smaltimento di tali rifiuti secondo quanto previsto dalle normative vigenti in materia Aiutaci a conservare l ambiente 54 26 DISPOSAL OF UNIT Dutch VOOR GEBRUIKERS IN DE EU Het symbool en de recycleersystemen die hieronder beschreven worden zijn van toepassing op de landen in de EU en zijn niet van toepassing op landen in andere delen van de wereld Uw SANYO product is ontworpen en gemaakt met materialen en onderdelen van hoge kwaliteit die gerecycleerd en opnieuw gebruikt kunnen worden Het symbool betekent dat elektrische en elektronische apparatuur batterijen en accu s aan het eind van hun leven apart van uw huisafval weggegooid moeten worden Let op Indien een chemisch symbool afgedrukt staat onder het symbool betekent dit chemisch symbool dat de batterij of accu een zwaar metaal met een bepaalde concentratie bevat Dit wordt als volgt aangegeven Hg kwik Cd cadmium Pb lood In de Europese Unie zijn afzonderlijke inzamelingssystemen voor gebruikte elektrische en elektronische apparatuur batterijen en accu s Wilt u deze op de juiste manier weggooien bij uw plaatselijk afvalinzameling recyclingcent
46. nside on the access port on the back of the freezer and also remove the insulation in the port 8 Pass the temperature recorder sensor into the chamber through the access port Fig 15 9 After covering the temperature recorder sensor with the cover provided fix the temperature recorder sensor under the 3rd shelf by using 2 enclosed binders See Fig 16 10 Make a small cut on the rubber caps for capillary to pass 11 Replace the insulation into the access port and cover the port completely with the rubber caps 12 Replace the wire grille on the back bottom of the freezer 13 Operate the freezer until the chamber temperature gets to the set temperature Check the recorded temperature and chamber temperature displayed on the control panel Adjust the zero adjustment volume on the temperature recorder so that the recorded temperature can corresponds with the displayed temperature if they are not compliance each other Fig 13 Fig Access port Fig 15 Fig 12 Shaft Temperature recorder sensor Fig 16 59 31 SPECIFICATIONS Name Biomedical Freezer Model MDF U5412 External dimensions W804 x D772 x H1802 mm Internal dimensions W658 x D607 x H1272 mm Effective capacity 482 L Exterior Painted steel Interior Styrol resin Insulation Rigid polyurethane foamed in place Outer door Painted steel Lock 1 Caster 4 Leveling leg 2 Evaporator Tube on sheet type also used as a sh
47. ort completely with the rubber caps 11 Replace the wire grille on the back bottom of the freezer 12 Operate the freezer until the chamber temperature gets to the set temperature Check the recorded temperature and chamber temperature displayed on the control panel Adjust the zero adjustment volume on the temperature recorder so that the recorded temperature can corresponds with the displayed temperature if they are not compliance each other Fig 9 Access port Fig 10 Fig 7 Shaft Fig 11 Temperature recorder sensor Recorder fixture Fig 8 58 30 TEMPERATURE RECORDER OPTION Installation of MTR G85 The temperature recorder is installed on the left lower front of the freezer 1 Attach the temperature recorder to the mounting kit MPR S7 by following the procedure shown in the manual enclosed with the mounting kit 2 Remove the screw on the cover for the temperature recorder space on the lower front of the freezer Open the cover and push the shaft on the both sides outward to remove the cover Fig 12 3 Install the temperature recorder in the temperature recorder space 4 Join the wire in the unit compartment with the temperature recorder wire by each wire connector See Fig 13 5 Remove the wire grille on the back bottom of the freezer See Fig 14 6 Route the capillary tube of the temperature recorder to the back of the freezer through the unit compartment 7 Remove 2 rubber caps outside and i
48. ory that the chamber temperature 40oC Table 1 Basic operation sequence Example Chamber temperature 25oC Description of operation Key operated Indication after operation 1 Turn the power switch ON The current chamber temperature is displayed 2 Press set key SET The second digit is flashed When pressed the figure of settable digit changes 3 Set to 25 with the numerical value shift key and digit shift key When pressed the settable digit is shifted 4 Press set key SET Set temperature is memorized and the current chamber temperature is displayed Note The temperature set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation Although the value of the chamber temperature setting can range from 18oC to 45oC the guaranteed temperature with no load is 40oC when the ambient temperature is 30oC Key lock function This unit is provided with the key lock function When the key lock is ON change of temperature setting through the key pad is not possible The key lock is set to OFF at the factory Display Mode Function L 0 Key lock is OFF Enable to change temperature setting L 1 Key lock is ON Disable to change temperature setting Table 2 Procedure for key lock setting change from key lock OFF to key lock ON Description of operation Key operated Indication after operation 1 The current chamber temperature is d
49. r recycling or proper disposal Handling of battery Cover the battery terminal with an insulating tape to avoid the short circuit Then follow the procedure for recycling or proper disposal Fig 2 Fig 3 Fig 4 Battery mounting plate Battery Battery Fig 1 Electrical box Battery connector Top cover 49 21 TROUBLE SHOOTING If the unit malfunctions check out the following before calling for service Malfunction Check Remedy The chamber is not cooled at all The circuit breaker of power source is active The voltage is too low In this case call an electrician The power switch is not ON The large amount of articles load is stored in the chamber at one time The freezer is in defrost condition The cooling is poor The ambient temperature is too high The door is not closed firmly The large amount of frost is built on the chamber wall The air intake vent is blocked The set temperature is not inputted properly The freezer is in the direct sunlight There is any heating source near the freezer A rubber cap and insulation for the access port are not set correctly You put too many unfrozen articles into the freezer compartment Noise The freezer is not installed on the sturdy floor The freezer is not leveled with the leveling feet There is anything touching the frame The freezer is in the status immediately after start up The unit sometimes causes a noise when the chamber temperatu
50. re is high due to the large load The noise gets less and less accompanying with the cooling of the chamber Note If the malfunction is not eliminated after checking the above items or the malfunction is not shown in the above table contact Sanyo sales representative or agent 50 22 DISPOSAL OF UNIT WARNING If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do not have access and doors cannot be closed completely The disposal of the unit should be accomplished by appropriate personnel Always remove doors to prevent accidents such as suffocation Recycle of battery The unit contains a rechargeable battery The battery is recyclable At the end of it s useful life check with you local solid officials option or proper disposal Label indication is obliged to comply with Taiwanese battery regulation 51 23 DISPOSAL OF UNIT English FOR EU USERS The symbol mark and recycling systems described below apply to EU countries and do not apply to countries in other areas of the world Your SANYO product is designed and manufactured with high quality materials and components which can be recycled and or reused The symbol mark means that electrical and electronic equipment batteries and accumulators at their end of life should be disposed of separately from your household waste Note If a chemical symbol is printed beneath the symbol mark this chemical symbol
51. rmful to your health Never splash water directly onto the unit as this may cause electric shock or short circuit Never put containers with liquid on the unit as this may cause electric shock or short circuit when the liquid is spilled Never bind process or step on the power supply cord or never damage or break the power supply plug A broken supply cord or plug may cause fire or electric shock Do not use the supply cord if its plug is loose Such supply cord may cause fire or electric shock Never disassemble repair or modify the unit yourself Any such work carried out by an unauthorized person may result in fire or electric shock or injury due to a malfunction Disconnect the power supply plug if there is something wrong with the unit Continued abnormal operation may cause electric shock or fire When removing the plug from the power supply outlet grip the power supply plug not the cord Pulling the cord may result in electric shock or fire by short circuit Disconnect the power supply plug before moving the unit Take care not to damage the power cord A damaged cord may cause electric shock or fire Disconnect the power plug when the unit is not used for long periods Keeping the connection may cause electric shock current leakage or fire due to the deterioration of insulation If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do not have access and that doors cannot
52. rum in uw buurt Help ons het milieu waarin wij leven in stand te houden Swedish F R ANV NDARE INOM EU Den symbolm rkning och de tervinningssystem som beskrivs h r nedan g ller l nder inom EU och g ller inte l nder i n gon annan del av v rlden Din SANYO produkt har konstruerats och tillverkats med delar och material av h g kvalitet som kan tervinnas och eller teranv ndas Symbolm rkningen inneb r att elektrisk och elektronisk utrustning batterier och ackumulatorer vid slutet av deras livsl ngd inte f r sl ngas som hush llsavfall utan skall sl ngas separat Observera Om en kemisk symbol finns tryckt under denna symbolm rkning betyder denna kemiska symbol att batteriet eller ackumulatorn inneh ller en tungmetall med en viss koncentration Detta indikeras p f ljande s tt Hg kvicksilver Cd kadmium Pb bly I den Europeiska Unionen finns det separata uppsamlingssystem f r anv nd elektrisk och elektronisk utrustning batterier och ackumulatorer G r dig av med s dana saker p r tt s tt p den speciella lokala platsen f r tersamling teranv ndning Hj lp oss att bevara den milj vi lever i 55 27 TEMPERATURE RECORDER OPTION WARNING Always disconnect the power supply to the unit prior to attachment of a temperature recorder in order to prevent electric shock or injury An automatic temperature recorders is available for the freezer as the optional component The type of t
53. s ground earth the unit to prevent electric shock If the power supply outlet is not grounded it will be necessary to install a ground by qualified engineers Never ground the unit through a gas pipe water main telephone line or lightning rod Such grounding may cause electric shock in the case of an incomplete circuit Connect the unit to a power source as indicated on the rating label attached to the unit Use of any other voltage or frequency other than that on the rating label may cause fire or electric shock Never store volatile or flammable substances in this unit if the container cannot be sealed These may cause explosion or fire Do not insert metal objects such as a pin or a wire into any vent gap or any outlet on the unit This may cause electric shock or injury by accidental contact with moving parts Use this unit in safe area when treating the poison harmful or radiate articles Improper use may cause bad effect on your health or environment Turn off the power switch if provided and disconnect the power supply to the unit prior to any repair or maintenance of the unit in order to prevent electric shock or injury Do not touch any electrical parts such as power supply plug or operate switches with a wet hand This may cause electric shock WARNING 33 5 PRECAUTIONS FOR SAFE OPERATION Ensure you do not inhale or consume medication or aerosols from around the unit at the time of maintenance These may be ha
54. t key and scroll the figure to 1 The first digit is flashed 4 Press set key SET The first digit is flashed When pressed the figure of settable digit changes 5 Scroll the figure to 005 by using digit shift key and numerical value shift key When pressed the changeable digit moves 6 Press set key SET Alarm temperature is memorized and the current chamber temperature is displayed Table 4 Procedure for setting low temperature alarm Description of operation Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press numerical value shift key for about 5 seconds The first digit is flashed 3 Press numerical value shift key and scroll the figure to 2 The first digit is flashed 4 Press set key SET The first digit is flashed When pressed the figure of settable digit changes 5 Scroll the figure to 05 by using digit shift key and numerical value shift key When pressed the changeable digit moves 6 Press set key SET Alarm temperature is memorized and the current chamber temperature is displayed The temperature set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation 44 16 SETTING OF ALARM RESUME TIME The buzzer and remote alarm are silenced by pressing buzzer stop key BUZZER on the control panel during alarm condition The buzzer and remote alarm will be activated again
55. t tone with 15 minutes delay Remote alarm with 15 minutes delay Power failure alarm In the case of power failure When power switch is turned OFF When the power to the unit is disconnected Alarm lamp is flashed Intermittent tone Remote alarm Auto return When there is no key pressing in each setting mode for 90 seconds Chamber temperature is displayed Finishing of each Setting mode Key lock When the key lock is ON Change of setting is disable If the thermal sensor is disconnected Alarm lamp is flashed E01 and chamber temp are displayed alternately Intermittent tone Remote alarm Continuous running Thermal sensor Abnormality If the thermal sensor is short circuited Alarm lamp is flashed E02 and chamber temp are displayed alternately Intermittent tone Remote alarm Continuous running Battery switch check When battery switch is OFF at the time of alarm test Alarm lamp is flashed E09 is flashed Intermittent tone Remote alarm If the sensor is disconnected Alarm lamp is flashed E11 and chamber temp are displayed alternately Temperature control sensor abnormality If the thermal sensor is short circuited Alarm lamp is flashed E12 and chamber temp are displayed alternately Intermittent tone Remote alarm Normal operation Battery check When about 3 years has passed with power switch ON _F01 and chamber temp are displayed alternately
56. tions A location not subjected to direct sunlight Do not install the unit under direct sunlight Installation in a location subjected to direct sunlight cannot obtain the intended performance A location with adequate ventilation Leave at least 10 cm around the unit for ventilation Poor ventilation will result in a reduction of the performance and consequently the failure A location away from heat generating sources Avoid installing the unit near heat emitting appliances such as a heater or a boiler etc Heat can decrease the intended performance of the unit A location with little temperature change Install the unit under stable ambient temperature The allowable ambient temperature is between 5 and 30oC A location with a sturdy and level floor Always install the unit on a sturdy and level floor The uneven floor or tilted installation may cause failure or injury Install the unit in stable condition to avoid the vibration or noise Unstable condition may cause vibration or noise WARNING Install the unit on a sturdy floor If the floor is not strong enough or the installation site is not adequate this may result in injury from the unit falling or tipping over Select a level and sturdy floor for installation This precaution will prevent the unit from tipping Improper installation may result in water spillage or injury from the unit tipping over A location not prone to high humidity Install the unit in the ambient of 80 R H or
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