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  SPECIFICATIONS

 

 

Product name

 

Biomedical Freezer 

MDF-U731

 

External dimensions

 

W770 mm x D830 mm x H1955 mm 

Internal dimensions

 

W650 mm x D700 mm x H1370 mm 

Effective capacity

 

623 L 

Exterior

 

Painted steel

 

Interior

 

Painted steel

 

Door Painted 

steel

 

Lock 1 
Insulation 

Rigid polyurethane foamed-in place 

Shelf 

Polyethylene coated wire 

4 pieces 

Size: W626 mm x D620 mm    Max. load: 50 

kg

/shelf  

Access port 

Diameter 30 mm, 1 port on left side 

1 port on the top of unit 

Cooling method 

Forced air circulation 

Compressor 

Hermetic type, 400 W 

Evaporator 

Fine and tube 

Condenser 

Skin condenser type   

Refrigerant

 

R-404A 

Defrosting Heater 

defrosting 

Temperature controller 

Electronics controller 

Temperature display 

Digital display (between -40

 o

C and +0 

o

C) 

Temperature sensor 

Thermister sensor 

Alarm & safety 

High temp. alarm, Low temp. alarm, Power failure alarm, Door alarm, 

Compressor temperature alarm, Thermal sensor abnormality 

Memory backup 

Nonvolatile memory 

Weight 

155 

kg

 

Battery 

Nickel-metal-hydride battery, DC 6 V, 1500 mAh, Auto-recharge (DRTB315005) 

Accessories 

1 set of key, 1 Inspection label, 4 of plastic screws,   

2 large & 2 small nylon clips (for temperature recorder) 

Caster 4 
Leveling foot 

Optional component 

Temperature recorder (MTR-G85A)+Recorder fixing (MPR-S7), 

Temperature recorder (MTR- Recorder fixing (MPR-S30) 

• Design or specifications will be subject to change without notice. 
• Refer to the updated catalog when ordering an optional component. 
 

 
 
 
 
 
 
 

Summary of Contents for MDF-U731 Series

Page 1: ... read these instructions carefully before using this product and save this operating instructions for future use See page 31 for model number MDF U731 MDF U731 Series Biomedical Freezer Operating Instructions ...

Page 2: ...ARM FUNCTIONS P 15 SAFETY FUNCTIONS P 15 SELF DIAGNOSTIC FUNCTIONS P 16 MAINTENANCE P 17 Cleaning of cabinet P 17 Cleaning of evaporating tray P 17 Defrosting P 18 TROUBLESHOOTING P 19 DISPOSAL OF UNIT P 20 Recycle of battery P 20 Decontamination of unit P 20 REPLACEMENT OF WEAR OUT PARTS P 26 Replacement of battery for power failure alarm P 26 TEMPERATURE RECORDER OPTION P 27 Setting of MTR 4015L...

Page 3: ...uctions will be subjected to change without notice due to the improvement of performance or functions Contact our sales representative or agent if any page of the operating instructions is lost or page order is incorrect Contact our sales representative or agent if any point in this operating instructions is unclear or if there are any inaccuracies No part of this operating instructions may be rep...

Page 4: ...t 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 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 operating instructions in a place accessible to use...

Page 5: ...ower 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 th...

Page 6: ...unction 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 co...

Page 7: ...r 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...

Page 8: ... C Maximum relative humidity 80 for temperature up to 31o C decreasing linearly to 50 relative humidity at 40o C Mains supply voltage fluctuations up to 10 of the nominal voltage Transient overvoltages up to the levels of OVERVOLTAGE CATEGORY II Temporary OVERVOLTAGES occurring on the mains supply Applicable pollution degree of the intended environment POLLUTION DEGREE 2 in most cases ...

Page 9: ...8 FREEZER COMPONENTS Freezer unit Back side 19 18 17 15 16 Inside of the front cover 13 4 7 8 5 6 2 3 1 12 14 9 10 11 ...

Page 10: ... air exhaust vent Ensure this vent is never blocked If this vent is blocked temperature regulation become unstable Do not place stored item in the path of cold air 11 Air intake vent Ensure this vent is never blocked Failure to do so will result in unstable temperature distribution in the chamber 12 Control panel The operation status is displayed on this panel And the temperature setting is availa...

Page 11: ...e changeable digits to move Key lock is activated by pressing this key for more than five seconds in the temperature display mode See Key lock function on page 14 6 Set key SET At temperature display mode pressing this key leads chamber temperature setting mode At setting mode stores the value into computer memory 7 Defrost key DEF Defrost will be started by pressing this key for more than 5 secon...

Page 12: ...y 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 l...

Page 13: ...ew hole should fix an attached plastic screw on the product 4 places Fig 1 3 Adjusting the leveling foot Extend the leveling feet by rotating them counterclockwise to contact them to the floor Ensure the unit is level Fig 2 4 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 3 5 Ground earth The ground earth is fo...

Page 14: ...hat all machines may start at the same time Be sure to check the operation conditions of the product TEMPERATURE SETTING Table 1 shows the basic operation method Perform key operations in the sequence indicated in the table The example in the table is based on the assumption that the freezer temperature is 25o C Note The unit is set at the factory that the chamber temperature 30o C Table 1 Basic o...

Page 15: ...e temperature display mode automatically when 90 seconds has passed without any key operation In this case any setting before pressing the set key SET is not memorized The key lock only works with the chamber temperature setting and the defrost key DEF A key lock function becomes on when it is changed to Lo1 with a process 3 REMOTE ALARM TERMINAL WARNING Always turn off the power switch and discon...

Page 16: ...tone after a delay of 15 minutes Remote alarm is activated after a delay of 15 minutes 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 blinks Intermittent tone Remote alarm is activated Door alarm When the door is open Door check lamp is lit Intermittent tone after a delay of 2 minutes The remote alarm termin...

Page 17: ...re displayed alternately The remote alarm is cancelled by pressing the alarm buzzer stop key BUZZER since the remote alarm is operated in conjunction with the buzzer except for the power failure alarm status After a power failure the unit will resume operation with the set value that was in place before power failure occurred The chamber temperature is displayed for 5 seconds by pressing alarm buz...

Page 18: ... 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 Important Never pour water onto or into the unit Doing so can damage the electric insulation and cause failure Always replace the accessories removed for the cleaning to ...

Page 19: ... alternately 3 After a several hours check the visually that all defrost was removed completely 4 If a defroster is finished a drain cap at bottom inside the freezer is removed Draw drain hose and drain the water with water inside the freezer in the tray Wipe the water left in the freezer and do the cap 5 Pressing about 5 seconds the defrost key DEF the refrigerating operation can be started 6 Onc...

Page 20: ...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 temperature 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...

Page 21: ...onnel 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 its useful life check with you local solid officials option or proper disposal Label indication is obliged to comply with Taiwanese battery regulation Decontamination of unit Before disposing a unit with biohazardous danger decontami...

Page 22: ...spose of them correctly at your local community waste collection recycling centre Please help us to conserve the environment we live in German Für EU Staaten Das Symbol und das erwähnte Wiederverwertungssystem gelten nur für die Länder der EU und nicht für andere Länder oder Gebiete in der Welt Die Produkte von werden aus hochwertigen Materialien und Komponenten gefertigt die sich wieder verwenden...

Page 23: ...u éliminées de manière inappropriée peuvent s avérer potentiellement dangereuses pour la santé humaine et pour l environnement Cependant ces matières sont nécessaires au bon fonctionnement de votre appareil ou de votre machine Pour cette raison il vous est demandé de ne pas vous débarrasser de votre appareil ou machine usagé avec vos ordures ménagères Spanish PARA USUARIOS DE LA UNION EUROPEA El s...

Page 24: ...em 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 è stato progettato e realizzato con materiali e componenti di elevata qualità che possono essere riciclati e o riutilizzati Il simbolo di riciclaggio mostrato di seguito indica che i disposi...

Page 25: ...bij uw plaatselijk afvalinzameling recyclingcentrum in uw buurt Help ons het milieu waarin wij leven in stand te houden Swedish FÖR ANVÄNDARE INOM EU Den symbolmärkning och de återvinningssystem som beskrivs här nedan gäller länder inom EU och gäller inte länder i någon annan del av världen Din produkt har konstruerats och tillverkats med delar och material av hög kvalitet som kan återvinnas och e...

Page 26: ...The alarm lamp blinks and the buzzer sounds by the battery for power failure alarm The regular replacement of the battery for power failure alarm is important to prevent the rise of chamber temperature in the case of unexpected situation Important The used battery is a recyclable precious resource Do not dispose of the battery Always follow the procedure for recycling WARNING The replacement of th...

Page 27: ...the cartridge up after opening the cover See Fig 2 The cover can be opened by turning the knob counterclockwise 3 Put the recording paper into the cartridge with the printed surface out from the leading end as shown in Fig 3 4 Pass the recording paper under the arm through between the guide plate See Fig 4 Note Do not scratch or put pressure on the recording paper Do no bend the recording paper Do...

Page 28: ...paper storage send all the recording paper in the recording paper storage first turning the gear Battery replacement To replace the battery turn the knob counterclockwise to open the cover Place the battery in the dry cell case according to the plus minus indications on the bottom of the dry cell case See Fig 6 Replace the battery once a year Note This temperature recorder is designed for the mang...

Page 29: ...the head clamp at A and B See to Fig 2 illustration 1 5 Position the ink pen so that the guide pins fit into the guide holes on the pen arm See to Fig 2 illustration 2 6 Press the two sides of the head clamp as indicated by the arrows to secure the ink pen See to Fig 2 illustration 3 From the side view the cartridge should fit perfectly on the arm Confirm that the pen arm is attached to both sides...

Page 30: ...hen the recording paper speed is set to 32 days The center of the recording paper is divided into 32 equal sections The lines extending from these lines serve as the 32 day time scale Fig 4 Stopping recording 1 Turn OFF the power switch 2 When recording is stopped for a prescribed period place the caps back on the ink pen to prevent the ink from evaporating Replacement the recording paper 1 Slight...

Page 31: ...ter defrosting Temperature controller Electronics controller Temperature display Digital display between 40 o C and 0 o C Temperature sensor Thermister sensor Alarm safety High temp alarm Low temp alarm Power failure alarm Door alarm Compressor temperature alarm Thermal sensor abnormality Memory backup Nonvolatile memory Weight 155 kg Battery Nickel metal hydride battery DC 6 V 1500 mAh Auto recha...

Page 32: ... C to 30 o C ambient temperature 5 o C to 35 o C no load Rated voltage AC 115 V Rated frequency 60 Hz Rated power consumption 280 W Noise level 40 dB A background noise 20 dB Maximum pressure 2 19 MPa Specifications will be subject to change without notice The unit with CE mark complies with EC directives ...

Page 33: ...it Notes 2 Contamination of the unit Unit interior Yes No No contamination Yes No Decontaminated Yes No Contaminated Yes No Others 3 Instructions for safe repair maintenance of the unit a The unit is safe to work on Yes No b There is some danger see below Yes No Procedure to be adhered to in order to reduce safety risk indicated in b below Date Signature Address Division Telephone Product name Mod...

Page 34: ...Printed in Taiwan 7FB6P15172300 T0414 0 1 1 1 Sakata Oizumi Machi Ora Gun Gunma 370 0596 Japan Panasonic Healthcare Co Ltd 2014 ...

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