Sanyo MDF-U5486S Instruction Manual Download Page 31

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SPECIFICATIONS

Name

Ultra-Low Temperature Freezer

Model MDF-U7486S

MDF-U7486SC

External dimensions

W1130 x D875 x H1990 (mm)

Internal dimensions

W870 x D600 x H1280 (mm)

Effective capacity

668 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)

W848 x D533 (mm), Load; 50 kg/shelf

Access port

17 mm diameter, 2 locations (back, bottom left corner)

Insulation

Rigid polyurethane foamed-in place

Compressor

Hermetic type, Output; 1100 W (high stage side), 1100 W (low stage side)

Evaporator

Tube on sheet type

Condenser

Fin and tube type (high stage side), Shell and tube type (low stage side)

Refrigerant

R-404A (high stage side), R-508B (low stage side)

Temperature controller

Microcomputer control system

Temperature display

Digital display

Thermal sensor

Platinum resistance (Pt 1000

䃈

)

Alarm

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

Filter check, Battery check, Fan motor check

Remote alarm contact

Allowable contact capacity: 30 V DC, 2 A

Battery

Nickel-metal-hydride battery, 6 V DC, 1100 mAh, Auto-recharge

Accessories

1 set of key, 1 scraper, 1 s

tick for air intake port cleaning

Weight

360 kg

365 kg

Voltage booster

None

Built-in

Optional component

Inventory rack (IR-220U)

Temperature re Mounting kit (MTR-G85, MTR-85H+MDF-S3085)

Back-up system (CVK-UB2): LCO

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

Data acquisition system (MTR-5000)

Note

• Design or specifications will be subject to change without notice.

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

Summary of Contents for MDF-U5486S

Page 1: ... 42 Ultra Low Temperature Freezer INSTRUCTION MANUAL MDF U7486S MDF U7486SC MDF U5486S MDF U5486SC MDF U7486S ...

Page 2: ...COMPRESSOR DELAY TIME P 18 ALARMS SAFETY FUNCTIONS P 19 ROUTINE MAINTENANCE Cleaning of cabinet P 20 Cleaning of condenser filter P 20 Defrosting of inside wall P 21 Cleaning of air intake port P 22 TROUBLESHOOTING P 23 DISPOSAL OF UNIT P 24 Recycle of battery P 24 DISPOSAL OF BATTERY P 25 BACK UP SYSTEM OPTION P 26 TEMPERATURE RECORDER OPTION P 27 Installation of MTR G85 P 27 INTERFACE BOARD OPTI...

Page 3: ...anual 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 writ...

Page 4: ...ruction must be followed Be sure to keep this manual 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 personnel ...

Page 5: ... 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 ...

Page 6: ...lfunction 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 ...

Page 7: ...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 m...

Page 8: ...humidity 80 for temperature up to 31o C decreasing linearly to 50 relative humidity at 40o C Mains supply voltage fluctuations not to exceed 㼼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 accor...

Page 9: ... 50 8 FREEZER COMPONENTS Rear side Power cord 12 1 2 5 6 9 inside 10 13 4 15 13 inside 8 11 7 3 17 18 16 19 14 ...

Page 10: ...s the dust from accumulating on the condenser The dusty filter may cause failure of refrigerating device Clean the filter once a month See page 20 Routine maintenance for the cleaning 10 Space for temperature recorder A temperature recorder optional component can be attached here See page 27 Temperature recorder 11 Lock Turn clockwise to 180o with a key and the outer door is securely locked 12 Con...

Page 11: ...de for alarm temperature alarm resume time compressor delay time and door alarm delay time Refer to page 15 and 16 for details respectively 6 Digit shift key 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 details 7 Set key SET Temperature set mode is l...

Page 12: ...ay 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 ...

Page 13: ...h 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 Fig 1 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 Fig 2 WARNING Use a power supply outlet with ground earth to prevent electric shock If the power supply outlet...

Page 14: ...ed E09 is displayed on the digital temperature indicator if the battery switch is OFF Make sure to turn on the battery switch 8 After confirming the above you can put articles into the freezer chamber in a small batch to prevent the temperature rise 9 An alarm function is to work normally or push and confirm an alarm test key the condition that a battery switch is on It is normal if alarm lamp bli...

Page 15: ...ranteed temperature when there is no load is 85o C when the ambient temperature is 30o C The set 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 ...

Page 16: ...lashed 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 temperature alarm Description of operati...

Page 17: ...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 memorized and the current cha...

Page 18: ... air which went into the chamber is cooled down rapidly and this is because air inside the chamber contracted When a door is closed and opened soon a door is easy to open with the following process 1 Turn the cap of the left side counterclockwise and remove it 2 Put the air into the chamber from about ten for twenty seconds and open a door 3 Close a cap if a door opens A door may not open in the a...

Page 19: ...r 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 When pressed the figure of the first digit chan...

Page 20: ... 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 alternately Intermittent tone Remote alarm If the ambient temperature s...

Page 21: ...ry cloth 㻊 Never pour water onto or into the unit Doing so can damage the electric insulation and cause failure 㻊 The compressor and other mechanical part are completely sealed This unit requires absolutely no lubrication 㻊 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 lamp on the control p...

Page 22: ...rn off 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...

Page 23: ... the air intake port 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 th...

Page 24: ...is clogged Always clean the filter when the filter check lamp is lit 㻊 The door is not shut tightly 㻊 The inner door is not installed correctly 㻊 The set temperature in the controller is not set properly 㻊 The freezer is in the direct sunlight 㻊 There is any heating source near the freezer 㻊 A rubber cap and insulation are not set correctly 㻊 You put too many unfrozen articles into the chamber Ala...

Page 25: ...lished 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 䠆Label indication is obliged to comply with Taiwanese battery regulation Decontamination of unit Before disposal of unit decont...

Page 26: ... prevent 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 6 screws fixing the side cover with a screw driver and remove the side cover 3 Remove 5 screws fixing the electrical box cover with a screw driver Fig 3 4 Disconnect the battery connector and remove 2 screws fixing the battery mounting...

Page 27: ...p 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 Press...

Page 28: ...03 Contact Sanyo sales representative or agent for the attachment of a interface board Note 㸨 When a data transmitting function to the personal computer is done an interface board MTR 480 option goods and communication cable of 9 pin Dsub cross type for RS232C are necessary 㸨 The connecting cable between the PC and MTR L03 terminal is not enclosed Provide a cross type cable of less than 100 m leng...

Page 29: ...er 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 Shelf support Shelf stopper NO 8 under the second screw from the top No 3 under the ffifth screw from the top No 2 under the third screw from the bottom IR 220U MDF U5486SC ...

Page 30: ...de Refrigerant R 404A high stage side R 508B low stage side Temperature controller Microcomputer control system Temperature display Digital display Thermal sensor Platinum resistance Pt 1000䃈 Alarm High temp alarm Low temp alarm Power failure alarm Filter check Battery check Fan motor check Remote alarm contact Allowable contact capacity 30 V DC 2 A Battery Nickel metal hydride battery 6 V DC 1100...

Page 31: ...de Refrigerant R 404A high stage side R 508B low stage side Temperature controller Microcomputer control system Temperature display Digital display Thermal sensor Platinum resistance Pt 1000䃈 Alarm High temp alarm Low temp alarm Power failure alarm Filter check Battery check Fan motor check Remote alarm contact Allowable contact capacity 30 V DC 2 A Battery Nickel metal hydride battery 6 V DC 1100...

Page 32: ...the center of the chamber ambient temperature 30o C no load Temperature control range 50o C to 86o C ambient temperature 30o C no load Power source 220 V 60 Hz Rated power consumption 1180 W 1210 W Noise level 51 dB A background noise 20 dB Maximum pressure 2 7 MPa Note The unit with CE mark complies with EC directives 89 336 EEC ...

Page 33: ...o 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 Please decontaminate t...

Page 34: ...SANYO Electric Co Ltd Printed in Japan ...

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