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MDF-U32V

Ultra-Low Temperature Freezer

INSTRUCTION MANUAL

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Содержание MDF-U32V

Страница 1: ...MDF U32V Ultra Low Temperature Freezer INSTRUCTION MANUAL ...

Страница 2: ...e expressed written permission of SANYO 2 The contents of this manual are subject to change without notice 3 Please contact SANYO if any point in this manual is unclear or if there are any inaccuracies SANYO Electric Biomedical Co Ltd All rights reserved Printed in Japan ...

Страница 3: ... 16 TEMPERATURE SETTING Chamber temperature P 17 Key lock function P 17 Alarm temperature setting P 18 ALARMS SAFETY FUNCTIONS P 19 SETTING OF ALARM RESUME TIME P 20 REMOTE ALARM TERMINAL P 21 MONITOR OF FREEZER STATUS P 22 CHANGE OF COMPRESSOR DELAY TIME P 23 ROUTINE MAINTENANCE Cleaning of cabinet P 24 Cleaning of condenser filter P 24 Defrosting of inside wall P 25 TROUBLESHOOTING P 26 DISPOSAL...

Страница 4: ... 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 Label on the unit 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 enginee...

Страница 5: ...wer supply plug to the power source firmly Improper insertion may cause a heat or ignition Use a power supply outlet with ground earth 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 c...

Страница 6: ...rbon dioxide gas for the back up system The CO2 density level in the air could rise and may be harmful to humans Prepare a safety check sheet when you request any repair or maintenance for the safety of service personnel 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 tipp...

Страница 7: ...rozen contents or the inside walls with naked hand may cause frostbite Do not lean on the door This may cause injury if the unit tips over or door is broken Put on gloves at the time of maintenance to prevent injury by the edge or corner of the components Check the filter mentioned in this manual and clean it as necessary A dusty filter may cause temperature rise or failure Do not touch the conden...

Страница 8: ...lead fall down of stocked items incomplete closing or damage of door gasket 7 Check and rectify the problem as soon as possible when the alarm lamp is light and buzzer is activated Refer to table 5 on page 19 for the alarm 8 Do not use brushes acids thinners powdered soap or hot water for cleaning the freezer Polishing powders or hot water can deteriorate the painted surfaces or cause deformation ...

Страница 9: ...umidity 80 for temperature up to 31o C decreasing linearly to 50 relative humidity at 40o C 5 Mains supply voltage fluctuations not to exceed 10 of the nominal voltage 6 Other supply voltage fluctuations as stated by the manufacturer 7 Transient overvoltages according to Installation Categories Overvoltage Categories II For mains supply the minimum and normal category is II 8 Pollution degree 2 in...

Страница 10: ...8 FREEZER COMPONENTS 8 1 6 2 4 12 15 inside 14 5 3 11 17 18 16 5 inside 10 9 7 13 ...

Страница 11: ...the leveling foot so that the front 2 casters cannot contact with the floor 10 Leveling foot The height of the freezer can be adjusted by this screw type foot Keep the unit in level at the installation 11 Fixture on back side 2 fixtures serve as spacers between the cabinet and wall and also serve as hooks to fix the unit See page 12 Installation 12 Air intake vent grille Do not block this vent to ...

Страница 12: ... and 20 for details respectively 5 Digital temperature indicator This indicator shows the present chamber temperature or set temperature 6 Alarm lamp ALARM This lamp is flashed during alarm condition 7 Alarm test key ALARM TEST To check the alarm system Pressing this key with the battery switch ON gets the alarm lamp to flash the remote alarm to operate and the buzzer to sound 8 Door check lamp DO...

Страница 13: ...ot 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 5 A location not prone to high humidity WARNING Do not use the unit outdoors Current leaka...

Страница 14: ...anels with a dry cloth 2 Adjust the leveling foot Extend the leveling feet by rotating them counterclockwise to contact them to the floor Ensure the unit is level 3 Fix 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 4 Ground earth WARNING Use a power supply outlet with ground earth to prevent electric shock If the power s...

Страница 15: ...on covering the sensor port Fig 3 4 As shown in the Fig 4 pass the recorder sensor through the sensor guide pipe from the front to the back The sensor guide pipe is provided on the upper left side of the base compartment 5 Take out the recorder sensor from the guide pipe at the back side and pass the sensor to the chamber through the access port Fig 5 6 Attach the recorder sensor on the sensor cov...

Страница 16: ...ack up system CVK UB2 which is available as an optional component For the installation refer to the instruction manual enclosed with the system 1 Switch of back up system BACKUP When turning on the system the lamp is brightened This means that the system is ready To stop the operation of the system turn off this switch 2 Test switch TEST This switch is for checking the operation of back up system ...

Страница 17: ... in the chamber effectively When the rack is used it is necessary to adjust the height of the shelves Set the shelf support as shown in the figure below IR 216U IR 220U Shelf support Shelf stopper No 7 under first screw from the top No 1 under forth screw from the top No 1 under second screw from the bottom ...

Страница 18: ...tch is ON 4 The audible alarm may activated In this case press the buzzer stop key BUZZER to silence the alarm 5 Set the desired chamber temperature See page 17 for the temperature setting 6 Check that the chamber temperature reaches the desired temperature 7 Turn on the switch of back up system optional component if it is installed 8 Make sure that the alarm lamp lights and the buzzer sounds by p...

Страница 19: ...rns 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 50o C to 90o C the guaranteed temperature when there is no load is 85o C when the ambient temperature is 30o C Key lock function This unit is provided with the key lock function When the key lock is ON change of temperature sett...

Страница 20: ...irst digit is flashed 3 Press numerical value shift 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 cham...

Страница 21: ... keeps continuous running If the cascade sensor is disconnected ALARM lamp is flashed E03 and chamber temp are displayed alternately Intermittent tone Remote alarm Unit keeps running If the cascade sensor is short circuited ALARM lamp is flashed E04 and chamber temp are displayed alternately Intermittent tone Remote alarm Unit keeps running If the filter sensor is disconnected ALARM lamp is flashe...

Страница 22: ... 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 is 10...

Страница 23: ...alarm is outputted from this terminal Contact capacity is DC 30V 2 A Contact output between COM and N O between COM and N C At normal Open Close At abnormal Close Open Note The alarm is actuated when the power cord is disconnected from the outlet or the power switch is OFF REMOTE ALARM N O COM N C MAX DC30V 2A ...

Страница 24: ...urability of refrigerating circuit Recheck of air conditioning of installed site Notice of low voltage When the power source voltage is less than about 97V when the rated voltage is 115V or less than about 195V when the rated voltage is between 220 and 240V STATUS lamp lights 2 is displayed Abnormal heat at power supply outlet or degrade of starting performance of refrigerating circuit Use of dedi...

Страница 25: ...lay time change from 2 minutes to 4 minutes Description of operation Key operated Indication 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 ...

Страница 26: ...er 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 Check the back up system 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 fi...

Страница 27: ...the back up system if applicable 2 Take out and transfer 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 wip...

Страница 28: ... nickel metal hydride battery has been discharged entirely In this case operate the freezer for about 3 hours and depress the alarm test key again Entirely discharged cell requires about 2 days operation of the freezer 2 When only the buzzer or only the alarm is actuated by the alarm test key the unactuated part is out of order and must be replaced Noise 1 The freezer is not installed on the sturd...

Страница 29: ...ical box The cover should be removed by a qualified engineer or a service personnel only to prevent the electric shock 2 Removal 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 7 screws fixing the side cover with a screw driver and remove the side cover 3 Remove 4 screws fixing the electrical box cover with a screw dri...

Страница 30: ...nce Pt 1000Ω Alarm High temp alarm Low temp alarm Power failure alarm Door alarm Filter check Battery alarm Remote alarm contact Allowable contact capacity DC 30V 2A Battery Nickel metal hydride battery DC6V 1100mAh Auto recharge Accessories 1 set of key 1 scraper Weight 258 kg Optional component Inventory rack IR 216U IR 220U 3 drawers for lower compartment MDF 30R Automatic temperature recorder ...

Страница 31: ...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 U32V freezer...

Страница 32: ...7FB6P10134200 Recycled paper SANYO Electric Biomedical Co Ltd 5 5 Keihan Hondori 2 Chome Moriguchi City Osaka 570 8677 Japan Printed in Japan ...

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