Panasonic MDF-U76VA Page 39 Operating Instructions Manual Download

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SPECIFICATIONS

Product name

Ultra-Low Temperature Freezer

MDF-U76VA

External dimensions

W1010 mm x D870 mm x H1990 mm

Internal dimensions

W870 mm x D600 mm x H1400 mm

Effective capacity

728 L

Exterior

Painted steel

Interior

Painted steel

Outer door

Painted steel

Inner door

ABS resin panel with stainless frame, 2 doors

Shelf

Stainless steel, 3 shelves (adjustable)

Inner dimension; W848 mm x D533 mm, Load; 50

/shelf

Access port

17 mm diameter, 2 locations (back, bottom x 1)

Insulation

Vacuum insulation panel + Rigid polyurethane foamed-in place

Compressor

High stage side; Hermetic type, Output; 750 W
Low stage side; Hermetic type, Output;1100 W

Evaporator

Tube on sheet type

Condenser

High stage side; Fin and tube type, Low stage side; Shell and tube type

Refrigerant

High stage side; R-404A, Low stage side; R-508B

Temperature controller

Microcomputer control system

Temperature display

Digital display

Thermal sensor

Platinum resistance (Pt 1000

)

Alarm

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

Door alarm, Filter alarm

Remote alarm contact

Allowable contact capacity: DC 30 V, 2 A

Battery

Nickel-metal-hydride battery, DC 6 V, 1100 mAh, Auto-recharge (5HR-AAC)

Accessories

1 set of key, 1 scraper, 1 stick for air intake port cleaner

Weight

370

Voltage booster

None

Optional component

Temperature recorder (MTR-G85C)*,

Small inner door (MDF-7ID1),

Interface board (MTR-480, MTR-L03),

Data acquisition system (MTR-5000),

Inventory rack (IR-220U, IR-224U),

Backup cooling kit (CVK-UB2/CVK-UB2I): LCO

(CVK-UBN2): LN

Note

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

*: Power source of the temperature recorder shall be 220 V.

• When a data transmitting function to the personal computer is done, an interface board
MTR-480 (option) and communication cable of 9 pin Dsub cross type for RS232C are

necessary.
•

The connecting cable between the PC and MTR-L03 terminal is not enclosed. Provide a cross type

cable of less than 100 m length having a pin plug.

Summary of Contents for MDF-U76VA

Page 1: ... read these instructions carefully before using this product and save this operating instructions for future use See page 39 for all Model number MDF U76VA Ultra Low Temperature Freezer Operating Instructions ...

Page 2: ...OR DELAY TIME P 19 SETTING OF DOOR ALARM DELAY TIME P 20 ALARMS SAFETY FUNCTIONS P 21 ROUTINE MAINTENANCE P 22 Cleaning of cabinet P 22 Cleaning of condenser filter P 22 Defrosting of inside wall P 23 Cleaning of air intake port P 24 TROUBLESHOOTING P 25 DISPOSAL OF UNIT P 26 Recycle of battery P 26 Decontamination of unit P 26 DISPOSAL OF BATTERY P 31 TEMPERATURE RECORDER OPTION P 32 Setting of M...

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: ...on must be followed Be sure to keep this operating instructions in a place accessible to users of this unit Some warning and or caution labels are attached on the unit Following shows the description of such labels This label is 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...

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: ...tion 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 ...

Page 7: ... 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 un...

Page 8: ... 40 o C Maximum relative humidity 80 for temperature up to 31 o C decreasing linearly to 50 relative humidity at 40 o 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 POLUTION DEGREE 2 in most cases ...

Page 9: ...8 FREEZER COMPONENTS 11 inside 7 1 2 3 6 8 12 7 4 9 10 13 5 17 18 16 14 19 15 Rear side Power supply cord ...

Page 10: ... dusty condenser filter may cause failure of refrigerating device Clean the condenser filter once a month See page 22 Routine maintenance for the cleaning 12 Space for temperature recorder A temperature recorder optional component can be attached here See page 32 Temperature recorder Option 13 Key lock Turn clockwise to 180 o with a key and the outer door is securely locked 14 Air intake port Afte...

Page 11: ...r delay time and door alarm delay time Refer to page 15 16 17 19 and 20 for details respectively 8 Digit shift key Pressing this key in the setting mode causes the changeable digit to shift Key lock setting is available by pressing this key for more than 5 seconds in the temperature display mode Refer to page 15 for details 9 Set key SET Temperature setting mode is led by pressing this key and the...

Page 12: ...d opened soon a door is easy to open with the following process 1 Turn the cap of the left side counterclockwise about two laps That can be removed completely 2 Put the air into the chamber from about twenty seconds and open a door 3 Close a cap if a door opens A door may not open in the above method when there are frost and ice in the air intake port In that case open a cap and investigate the ma...

Page 13: ...ry 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 less humidity Installation under high humidity may cause current leakage or electric sho...

Page 14: ...ce Fig 3 Voltage of the power source 115 V 60 Hz Receptacle of the power source NEMA reference 5 20R The equipment has a NEMA 5 20P plug If not it is necessary to install 5 20R receptacle by qualified engineers Current capacity of the power source 20 amperes Rating amperage of the circuit breaker or fuse used in the power line 20 amperes Use item delay type in case of fuse Do not connect the other...

Page 15: ... rise CAUTION Do not put too many warm articles in the chamber The temperature rise may cause the damage to the articles in the chamber WARNING Fix the shelf stopper and shelves securely Incomplete installation may cause injury or damage Operation after power failure The set value is memorized by nonvolatile memory Accordingly the freezer resumes the operation with setting before power failure Whe...

Page 16: ... load is 86 o C when the ambient temperature is 30 o C The setting mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation In this case any setting before pressing set key SET is not memorized 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 ava...

Page 17: ...e figure to 1 The first digit is flashed 4 Press set key SET The first digit is flashed 5 Scroll the figure to 005 by using digit shift key and numerical value shift key When pressed the figure of settable digit changes 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 temper...

Page 18: ...t is flashed 3 Set the figure to F25 with the digit shift key and numerical value shift key The settable digit is shifted When pressed the figure of settable digit changes 4 Press set key SET The current resume time is displayed The second 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...

Page 19: ... voltage is less than approx 195 V when the rated voltage is between 220 and 240 V status lamp lights 2 is displayed Abnormal heat at power supply outlet or degrade of starting performance of refrigerating circuit Use dedicated power source Notice of overload condition When the running rate of refrigerating Circuit is higher than usual status lamp lights 3 is displayed Decrease of cooling performa...

Page 20: ...ndication after operation 1 The current chamber temperature is displayed 2 Press numerical value shift key for 5 seconds The first digit is flashed 3 Set the figure to F05 with the numerical value shift key When pressed the figure of settable digit changes 4 Press set key SET The current delay time is displayed The first digit is flashed 5 Set the figure to 004 with the numerical value shift key W...

Page 21: ... current chamber temperature is displayed 2 Press numerical value shift key for 5 seconds The first digit is flashed 3 Set the figure to F04 with the numerical value shift key When pressed the figure of settable digit changes 4 Press set key SET The current delay time is displayed The first digit is flashed 5 Set the figure to 003 with the numerical value shift key When pressed the figure of the f...

Page 22: ...e Remote alarm If the cascade sensor is short circuited Alarm lamp is flashed E04 and chamber temp are displayed alternately Intermittent tone Remote alarm If the filter sensor is disconnected Alarm lamp is flashed E05 and chamber temp are displayed alternately Intermittent tone Remote alarm If the filter sensor is short circuited Alarm lamp is flashed E06 and chamber temp are displayed alternatel...

Page 23: ...e the electric insulation and cause failure The compressor and other mechanical part are completely sealed This unit requires absolutely no lubrication Check the backup cooling kit by pressing test switch once a month if it is installed Remove the frost or ice on the chamber wall and clean the condenser filter once a month Cleaning of condenser filter This unit is provided with the filter check la...

Page 24: ...er all the contents to another freezer or a container which is refrigerated by liquid carbon dioxide or dry ice 3 Turn off the power switch of the freezer 4 Open the outer door and inner door Remove the inner door by lifting up as shown in the figure 5 Leave the freezer as it is 6 The water accumulated on the bottom of the chamber should be wiped up with a dry cloth 7 After cleaning the chamber an...

Page 25: ...rt The pipe of the air intake port is thrust with a stick for air intake port cleaning of the accessories and frost is taken An outside door does not open even if the cap of the air intake port is opened The pipe of the air intake port is thrust with a stick for air intake port cleaning of the accessories and frost is taken Frost and ice can be seen in the chamber Frost inside the chamber and ice ...

Page 26: ...he condenser filter is clogged Always clean the condenser filter when the filter check lamp is lit The outer door is not shut tightly The inner door is not installed correctly The set temperature in the controller is not set properly The freezer is in the direct sunlight There is any heating source near the freezer A rubber cap and insulation are not set correctly on the access port You put too ma...

Page 27: ... 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 Decontamination of unit Before disposing a ultra low temperature freezer with biohazardous danger decontaminate the ultra low tempera...

Page 28: ...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 Panasonic werden aus hochwertigen Materialien und Komponenten gefertigt die sich wieder...

Page 29: ...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 30: ...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 Panasonic 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...

Page 31: ...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 Panasonic produkt har konstruerats och tillverkats med delar och material av hög kvalitet som kan återvi...

Page 32: ...t the electric shock Disposal of nickel metal hydride battery 1 Turn off the power switch and disconnect the power supply plug 2 As shown in the Fig 2 remove six screws fixing the side cover and switch cover with a screw driver and remove the side cover 3 Remove five screws fixing the electrical box cover with a screw driver Fig 3 4 Disconnect the battery connector and remove two screws fixing the...

Page 33: ...pper left corner 3 Press both sides of the pen arm as indicated by the arrows to open the head clamp at A and B See to Fig 2 illustration 1 4 Position the ink pen so that the guide pins fit into the guide holes on the pen arm See to Fig 2 illustration 2 5 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 ink pe...

Page 34: ...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 Replacing the recording paper 1 Slightly raise the end of the pen lift...

Page 35: ...rature is the time when 70 o C can be holding for Liquid CO2 backup cooling kit Keep a liquefied CO2 cylinder at less than 31 o C The above data is the experiment value which uses liquid CO2 30L no load Ambient temperature o C Time h MDF U76VA ...

Page 36: ... kit BACKUP When turning on the backup cooling kit the backup standby lamp is brightened This means that the backup cooling kit is ready To stop the operation of the backup cooling kit turn off this switch 2 Test switch TEST This switch is for checking the operation of backup cooling kit Pressing this switch is resulted in the release of liquid carbon dioxide without backup cooling kit operation 3...

Page 37: ...o C at the center of the chamber ambient temperature 30 o C no load Set it up by more than 5 to the lowest set temperature when the use in a long time AN optional inventory rack IR 224U cannot be used when an small inner door is installed INTERFACE BOARD OPTION Installation of MTR 480 MTR L03 Contact our sales representative or agent for the attachment of a interface board Note When a data transmi...

Page 38: ...ore the inventory racks securely Incomplete installation may cause injury or damage NOTE Only inventory rack IR 220U can be applied when the small inner door MDF 7ID1 is installed Shelf support Shelf stopper No 4 under second screw from the top There is a mark which hollowed at the shelf support front side No 3 under fifth screw from the top There is a mark which hollowed at the shelf support fron...

Page 39: ...mal sensor Platinum resistance Pt 1000Ω Alarm High temp alarm Low temp alarm Power failure alarm Door alarm Filter alarm Remote alarm contact Allowable contact capacity DC 30 V 2 A Battery Nickel metal hydride battery DC 6 V 1100 mAh Auto recharge 5HR AAC Accessories 1 set of key 1 scraper 1 stick for air intake port cleaner Weight 370 kg Voltage booster None Optional component Temperature recorde...

Page 40: ...re 30 o C no load Temperature control range 50 o C to 86 o C ambient temperature 30 o C no load Power voltage AC 115 V Rated frequency 60 Hz Rated power consumption 1020 W Noise level 49dB A background noise 20 dB Maximum pressure 2600 kPa Note Maximum cooling performance The chamber temperature can be reached at 86 o C at ambient temperature 30 o C with no load ...

Page 41: ...it 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 Ultra low temperature MDF Freezer Plea...

Page 42: ...Printed in Mexico 7FB6P151637003 M0412 30214 Panasonic Healthcare Corporation of North America 1300 Michael Drive Suite A Wood Dale Illinois 60191 Panasonic Healthcare Co Ltd 2012 ...

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