Panasonic MDF- DU900VC Series Operating Instructions Manual Download Page 8 | Manualshive

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7

LABELS ON UNIT

Warning safety labels applied to the ultra-low temperature freezer
Users are advised to avoid accidents by carefully reading the warnings and cautions contained on
warning labels at key locations on the interior and exterior of the ultra-low temperature freezer.

Possible
Danger

Warning/Caution Type

Location of Danger

Warning/Caution Label

Description of Danger

Personal
injury

Frostbite and frost

Interior

Frostbite and frost caution label.

Sample
damage

Chamber temperature

Interior

Forgets to close a door and latch.

Sample
damage

Chamber temperature

Interior

Rise in temperature is prevented.

Personal
injury

Negative pressure
release

Interior

Door cannot open.

Personal
injury

Bruise or fracture

Exterior

MDF-DU900VC-PA Only

When the casters are raised from
the surface of the floor, the unit is
secured. If they are left touching the
floor, the unit may inadvertently
move out of position when its door
is opened or closed. It may cause
injury.

SYMBOLS ON UNIT

The symbols are attached to the ultra-low temperature freezer. The following table describes the
symbols.

This symbol is attached to covers that access high-voltage electrical components to
prevent electric shock. Only a qualified engineer or service personnel should be
allowed to open these covers.

This symbol indicates that caution is required. Refer to product documentation for
details.

This symbol indicates an earth.

This symbol means “ON” for a power switch.

This symbol means “OFF” for a power switch.

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Summary of Contents for MDF- DU900VC Series

Page 1: ...ctions carefully before using this product and save the operating instructions for future use See page 60 for all model numbers MDF DU900V MDF DU900VC Series Operating Instructions MDF DU900V MDF DU900VC Ultra Low Temperature Freezer ...

Page 2: ...k 27 ALARM PARAMETERS 28 OPERATION ALARM LOG Setting log interval 31 Displaying operation log 32 Exporting operation log 35 Displaying alarm log 38 Exporting alarm log 40 OTHER PARAMETERS Setting date and time 43 Setting brightness and sleep 44 OPERATION MONITOR SYSTEM 46 ALARMS SAFETY AND SELF DIAGNOSIS 47 ROUTINE MAINTENANCE 50 Cleaning of cabinet 50 Cleaning of condenser filter 50 Defrosting of...

Page 3: ... 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 the operating instructions is unclear or if there are any inaccuracies No part of the operating instructions may be reproduced in any form without the expre...

Page 4: ...ated 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 the operating instructions in a place accessible to users of this unit WARNING As with any equipment that uses CO2 gas there is a likelihood of oxygen depletion in the vicinity of the equipment It is important that you assess the work site...

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: ...ure to disconnect the power supply plug may cause fire if there is something wrong with the unit 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 fi...

Page 7: ...r 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 copy the last page when you request any repair o...

Page 8: ...pressure release Interior Door cannot open Personal injury Bruise or fracture Exterior MDF DU900VC PA Only When the casters are raised from the surface of the floor the unit is secured If they are left touching the floor the unit may inadvertently move out of position when its door is opened or closed It may cause injury SYMBOLS ON UNIT The symbols are attached to the ultra low temperature freezer...

Page 9: ...luctuations 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 INTENDED USE AND PRECAUTIONS This equipment is designed for low temperature storage of biomedical samples The effective storage period depends on th...

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

Page 11: ...rating device Clean the condenser filter once a month See page 50 11 Space for temperature recorder A temperature recorder optional component can be attached here See page 56 12 Access port rear and bottom This is used for leading a cable and sensor of a measuring equipment or nozzle of backup cooling kit to chamber Replace the cap and insulation after using the access port Improper replacement ma...

Page 12: ...m indicator This indicator is lit when the excessive dust is accumulated on the condenser filter When this indicator is lit clean the condenser filter following the procedure on page 50 5 Alarm display Refer to page 47 48 for details of alarms Normal condition Normal is displayed Alarm activated buzzer delayed Alarm is displayed alternately in normal characters and reverse video Alarm activated bu...

Page 13: ...arm errors or information of the operation monitor system the message on the screen is changeable 10 Menu key Press this key to lead the Menu screen It is possible to set various setting on the Menu screen Refer to page 19 11 Buzzer key Press this key to silence the buzzer However when the ring back is ON the buzzer will sound again when the ring back passed and the alarm state still continues Ref...

Page 14: ...havior of the remote alarm is showed in Table 1 Note In the door alarm the remote alarm does not work Refer to page 47 Table 1 The behavior of the remote alarm when pressing Buzzer key Remote Alarm setting Refer to page 28 30 Connecting terminal Normal condition Abnormal condition Including in the cases of power outage and of where the power plug is pulled out When pressing Buzzer key ON Non inter...

Page 15: ...e port every month even when there is no frost in the air intake port Refer to page 52 for the cleaning CAUTION For removing the frost in the air intake port do not use a tool with sharp edge such as a knife or a screw driver Replace the cap when the air intake port is not used Improper replacement may cause rise of chamber temperature or condensation around the air intake port INSTALLATION SITE T...

Page 16: ...y 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 wi...

Page 17: ...r of the frame Fix the frame to the wall with these fixtures and rope or chain Fig 2 4 Setting the shelves 3 shelves are packaged at the bottom of the chamber Set the shelves on the shelf stoppers at the standard location firmly The upward edge should be upside 5 Ground earth The ground earth is for preventing the electric shock in the case of unexpected deterioration of the electrical insulation ...

Page 18: ...is higher than 30 o C 7 Make sure that chamber temperature is cooled to the set temperature 8 Do the alarm test Make sure that the buzzer sounds by pressing Buzzer key for 5 seconds Press Buzzer key again to stop the buzzer and the alarm test finishes 9 When an optional backup cooling kit MDF UB6B is installed After the chamber temperature reaches the set temperature turn ON the backup power switc...

Page 19: ...p Operation log data and alarm log data during a power failure is saved Note When the capacity of the battery for power failure alarm is flat during a power failure subsequent operation log data and alarm log data is not saved Operation after recovery from power failure The set value is memorized by nonvolatile memory Accordingly the chamber resumes the operation with setting before power failure ...

Page 20: ...ng log graph can be exported 32 34 Data Export Export screen Actual Temp Export Chamber temperature log 35 37 Door Opening Export Door opening log 35 37 Setting Setting Log interval Unique ID 31 32 Alarm Display Alarm log can be exported 38 39 Alarm Export Export Alarm log 40 42 Key Lock Key Lock screen Setting Key lock ON OFF password 25 27 Tools Tools screen Operation Setting Setting Comp delay ...

Page 21: ...dow is displayed 2 Press Numeric key or Up Down key to input numerical value and press OK key Key description Numeric key 0 9 Input numerical value Up Down key Increases or decreases the numerical value displayed in the numeric input box Clear key Deletes the numerical value displayed on the numeric input box Cancel key Stops inputting on the numeric input box and closes the input window Note Up D...

Page 22: ...racters or spaces Numeric key 0 9 Input numerical values UC LC key A a Change UC LC of alphabetic key Left Right key Move the cursor to left right Delete key Delete an alphanumeric character on the right side of the cursor Cancel key Stops inputting on the alphanumeric input box and closes the alphanumeric input window Note While the alphanumeric input window is open it is not possible to operate ...

Page 23: ...The display returns to the Menu screen Each parameter setting Temperature Set value of chamber temperature Settable range 50 o C 90 o C Control range 50 o C 86 o C factory setting 80 o C High Alarm When the chamber temperature exceeds the High Alarm set temperature the set temperature the set value of High Alarm the High Alarm is activated Settable range 5 o C 40 o C factory setting 10 o C Low Ala...

Page 24: ...alue of the current chamber temperature is equal to the High Low Alarm set temperature 4 On the Menu screen press Back key to return to the Top screen Setting operation control mode 1 Press Menu key to lead the Menu screen 2 Press Tools key to lead the Tools screen 3 Press Operation Setting key to lead the Operation Setting screen ...

Page 25: ...unit until starting its compressor This unit is required a large electric power at the moment its compressor starts When some units are in a same room set so as to be shifted to each other the compressor delay times to prevent the simultaneous start of all compressors after power failure Settable range 3 minutes 15 minutes factory setting 3 minutes 5 Press Top key to return to the Top screen ...

Page 26: ...enu screen 2 Press Key Lock key to lead the Key Lock screen 3 On the Key Lock screen it is possible to set each setting of key lock refer to next page Press Apply key to change key lock ON and to save the password The display returns to the Menu screen ...

Page 27: ...assword input box When inputting different password Notice dialog box is displayed Press OK key and input the correct password Note Manage the release password of Key Lock properly 4 On the Menu screen press Back key to return to the Top screen Operation for Keylock ON When pressing Menu key Password input box is displayed and input of the release password of Key Lock is required When the inputted...

Page 28: ... key to lead the Menu screen 3 Press Key Lock key to lead the Key Lock screen 4 On the Key Lock screen by holding Key Lock slide key and sliding to the left change to OFF Press Apply key to turn the key lock OFF The display returns to the Menu screen Note The release password of key Lock is deleted 5 On the Menu screen press Back key to return to the Top screen ...

Page 29: ...28 ALARM PARAMETERS 1 Press Menu key to lead the Menu screen 2 Press Tools key to lead the Tools screen 3 Press Alarm Setting key to lead the Alarm Setting screen ...

Page 30: ...tes Note When the unit is recovered from the alarm state within the door alarm delay time the buzzer does not sound after the elapse of the door alarm delay Ring Back The function is that the alarm buzzer sounds again when the alarm state still continues after the ring back set time passed even though the alarm buzzer was stopped by pressing Buzzer key By holding and sliding Ring Back slide key to...

Page 31: ... is silenced by pressing Buzzer key For the behavior at the time of pressing Buzzer key and the re activation of alarm under each setting condition refer to Table 4 5 on page 49 Resolve the cause of the alarm in reference to page 47 48 because the alarm itself is not deactivated by pressing Buzzer key except for some alarms ...

Page 32: ...lose state of door Note When the battery switch for power failure alarm is ON operation log is saved during a power failure Use the following procedure to set the log interval interval of acquiring the operation log 1 Press Menu key to lead the Menu screen 2 Press Log key to lead the Log screen 3 Press Setting key to lead the Setting screen ...

Page 33: ...to register 8 digit alphanumeric characters as the Unique ID Refer to page 37 Note Relation between log interval and the estimated amount of data that can be saved Log interval 2 minutes Approx 46 days Log interval 6 minutes Approx 135 days Log interval 30 minutes Approx 664 days When saving data more than the above and the data is overwritten and the old data is delated 5 Press Top key to return ...

Page 34: ...ation log you want to display graphically 5 On the Chart screen by pressing Show key after pressing the item you want to display graphically the graph of each operation log is displayed Actual Temp Chamber temperature log graph Go to procedure 6 Door Opening Open close state of door log graph Go to procedure 7 ...

Page 35: ...o return to the Top screen When exporting operation log data without pressing the Export key follow the procedure on page 35 37 When pressing Export key by mistake press the Back key to return to the previous screen Note The error of about 1 minute may be observed during a month Refer to page 43 for the procedure of setting time To previous day To next day To Door Opening log To Actual Temp log To...

Page 36: ...B memory inserted into the USB port 1 Insert the USB memory into the USB port Note It is not possible to use a USB memory with security functions that requires entering password 2 Press Menu key to lead the Menu screen 3 Press Log key to lead the Log screen 4 Press Data Export key to lead the Export screen ...

Page 37: ...ved during a month Refer to page 43 for the procedure of setting time 6 On the Export screen select the type of operation log data you want to export To export all types of operation log data press All Ch key To export only operation log data you want to export select operation log data you want to export and then press Selected Ch key Actual Temp Chamber temperature log data Door Opening Open clo...

Page 38: ...USB memory and the exported file is saved in it in CSV format The exported file name is in date 8 digits type of data format e g When exporting all types of data using All from Oct 1st 2015 to Jan 1st 2016 20151001 20160101_AllCh csv 20151001 20160101_Door csv e g When exporting Actual Temp using 1 Day Jan 1st 2016 20160101_Temp csv On the beginning of the exported file product name MDF DU900V is ...

Page 39: ...7 the oldest alarm log is deleted and then overwritten When the battery switch for power failure alarm is ON operation log is saved during a power failure Alarm log saved in the freezer can be displayed graphically on the LCD touch panel 1 Press Menu key to lead the Menu screen 2 Press Log key to lead the Log screen 3 Press Alarm key to lead the Alarm screen ...

Page 40: ...5 days Note The error of about 1 minute may be observed during 1 month Refer to page 43 for the procedure of setting time Press Back key to return to the Log screen Press Top key to return to the Top screen On the Alarm screen of procedure 4 or 5 alarm log data can be exported in CSV format to the USB memory inserted into the USB port 6 Insert the USB memory into the USB port Note It is not possib...

Page 41: ...nserted in the USB port by CSV format 1 Insert a USB memory in the USB port Note It is not possible to use a USB memory with security functions that requires entering password 2 Press Menu key to lead the Menu screen 3 Press Log key to lead the Log screen 4 Press Alarm Export key to lead Alarm Export screen ...

Page 42: ...d input days Settable range 1 day 45 days Note The error of about 1 minute may be observed during 1 month Refer to page 43 for the procedure of setting time 6 Press Export key Note When USB memory is not inserted in the USB port Notice dialog box is displayed Press OK key and insert an USB memory into the USB port When alarm log data does not exist in the specified days Notice dialog box is displa...

Page 43: ...is not deleted 8 Remove a USB memory from the USB port Note A log folder is created in a USB memory and an exported data file is saved in the log folder by CSV format Exported file name The first date during exported period 8 digits the last date 8 digits AlarmLog Example When exporting alarm log data for 7 days on January 7 2016 20160101 20160107_AlarmLog csv 9 Press Top key to return to the Top ...

Page 44: ...key to lead the Date Time screen 4 On the Date Time screen input the present date and time Press Apply key to save the input value The display returns to the Tools screen Note 24 hour clock It is recommended to set the time periodically since the error of about 1 minute may be observed during a month 5 Press Top key to return to the Top screen ...

Page 45: ...creen 2 Press Tools key to lead the Tools screen 3 Press Brightness Sleep key to lead the Brightness Sleep screen 4 On the Brightness Sleep screen each setting of brightness and sleep is available Press Apply key to save the input value and setup The display returns to the Tools screen ...

Page 46: ...he Sleep function is turned to ON Input the set value of time to change the Sleep state Settable range 1 minute 5 minutes factory setting 2 minutes Note It is not possible to operate any key in the Sleep state By touching the LCD touch panel the Sleep state is released and the LCD touch panel returns to the usual state Under this condition key operations are available Brightness Sleep Brightness o...

Page 47: ...en the ambient temp returns to within allowable range approx 0 o C 35 o C Overload operation When the chamber temp does not reach the set temp for approx 5 days or more Status3 Cooling Circuits Overload 1 Do not put a large amount of contents to cryopreserve at a time 2 Reduce the opening frequency of the door 3 Make sure that there is no leak around the door or the inner lid 4 Set the chamber tem...

Page 48: ...m When door is open Door display Open is displayed alternately in normal characters and reverse video Intermittent tone After door delay time has elapsed Filter alarm When the excessive dust is accumulated on the condenser filter Filter alarm indicator Indicator is lit orange Intermittent tone Auto return On screens other than the Top screen there is no key operation for approx 90 s When the sleep...

Page 49: ...is short circuited Err06 Filter Sensor Short If the ambient tem sensor is disconnected Err07 Ambient Temp Sensor Open If the ambient tem sensor is short circuited Err08 Ambient Temp Sensor Short Battery switch check When the battery switch for power failure alarm is OFF Err09 Battery Switch is OFF Condenser temp abnormality When the fan motor for cooling the compressor fails If the temperature of ...

Page 50: ...m setting Ring Back setting Buzzer from unit Remote Alarm setting When pressing Buzzer key When the Ring Back set time passes ON Non interlock with Buzzer key ON OFF Alarm is canceled OFF Alarm is already canceled OFF OFF OFF Interlock with Buzzer key ON OFF Table 6 shows the situation after being canceled the High Low Alarm and recovery from a power failure with no operation Table 6 The situation...

Page 51: ...amage the electric insulation and cause failure The compressor and other mechanical parts are completely sealed This unit requires absolutely no lubrication Note Always replace the inner accessories removed for the cleaning to keep the intended performance Cleaning of condenser filter This unit is provided with the filter alarm indicator on the LCD touch panel Clean the condenser filter when this ...

Page 52: ...ch is refrigerated by liquid carbon dioxide or dry ice 3 Turn off the power switch and battery 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 and inner door replace the inner door an...

Page 53: ...g The outer door cannot be opened even if the cap on the air intake port is removed Remove the frost and ice with the stick for air intake port cleaning The frost and ice are built in the chamber Remove the frost and ice with the enclosed scraper CAUTION For removing the frost in the air intake port do not use a tool with sharp edge such as a knife or a screw driver CALIBRATION During running oper...

Page 54: ...he used battery is a recyclable precious resource Do not dispose of the battery Always follow the procedure for recycling Replacing the battery for backup cooling kit Replace the battery for backup cooling kit every 3 years Contact our sales representative or agent for the replacement of battery when Warning Exchange a Backup Battery is displayed in the message display field The replacement of the...

Page 55: ...50 o C 90 o C However the temperature control range is between 50 o C 86 o C The ambient temperature is higher than 30 o C The allowable ambient temperature is between 5 o C 30 o C The unit is in the direct sunlight There is no more than 10 cm clearance around the unit The grille or the exhaust air bent is blocked by something The unit is not installed horizontally The outside of the unit is wet w...

Page 56: ... acid battery that is recyclable powers the product you have purchased At the end of its useful life under various state and local laws it is illegal to dispose of this battery into your municipal waste stream Please call 1 800 SAV LEAD for information on how to recycle this battery L appareil que vous vous êtes procuré est alimenté par une batterie au plomb étanche Après la fin de la vie utile de...

Page 57: ...perature recorder MTR 85H an optional recorder fixing MDF S3085 and recorder sensor cover MTR DU700SF is necessary For the installation of temperature recorder MTR G85C an optional recorder sensor cover MTR DU700SF is necessary SMALL INNER DOOR OPTION For MDF DU900V the small inner door MDF 9ID is available as an optional component The small inner door is suitable for standard shelf location For t...

Page 58: ...plete installation may cause injury or damage NOTE Only inventory rack IR 220U can be applied when the independent inner door MDF 9ID is installed IR 220U IR 224U 1 Insert the upper side 2 Push in the lower side Attachment of shelf stopper 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 ...

Page 59: ...rature setting knob Since the control method of injection is ON OFF type the actual injection temperature deviates from the injection set temperature Note Set the injection set temperature of the backup cooling kit to 10 o C higher than the set temperature Otherwise continuous injection of liquid CO2 may reduce the retention time of liquid CO2 cylinder When the injection set temperature of the bac...

Page 60: ...efrigerant High stage side R 404A Low stage side R 508A Temperature controller Microcomputer control system Temperature display LCD Digital display Thermal sensor Platinum resistance Pt 1000 Ω Alarm High Alarm Low Alarm Power failure alarm Door alarm Filter alarm Remote alarm contact Allowable contact capacity DC 30 V 2 A Battery Lead storage battery DC 6 V 7200 mAh Auto recharge Weight 372 kg 382...

Page 61: ...se 20 dB Maximum pressure 2900 kPa Product name Ultra Low Temperature Freezer MDF DU900VC Model number MDF DU900VC PA Cooling performance 86 o C at the center of the chamber ambient temperature 30 o C no load Temperature settable range 50 o C to 90 o C Temperature control range 50 o C to 86 o C ambient temperature 30 o C no load Rated voltage AC 220 V Rated frequency 60 Hz Rated power consumption ...

Page 62: ... unit Unit interior No contamination Decontaminated Contaminated Others 3 Instructions for safe repair maintenance disposal 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 ...

Page 63: ...Printed in Japan LDCL013500 0 S0616 0 1 1 1 Sakata Oizumi Machi Ora Gun Gunma 370 0596 Japan Panasonic Healthcare Co Ltd 2016 ...

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