Sanyo MDF-593, Instruction Manual

Page 1: ...MDF 593 MDF 593AT MDF 793 MDF 793AT Ultra Low Temperature Freezer INSTRUCTION MANUAL MDF 793AT MDF 593AT ...

Page 2: ...naccuracies SANYO Electric Biomedical Co Ltd All rights reserved Printed in Japan CONTENTS PRECAUTIONS FOR SAFE OPERATION P 2 CAUTIONS FOR USAGE P 7 ENVIRONMENTAL CONDITIONS P 9 FREEZER COMPONENTS P 10 INSTALLATION P 13 START UP OF UNIT P 15 OPERATING INSTRUCTIONS P 16 TEMPERATURE RECORDER P 21 ROUTINE MAINTENANCE P 23 TROUBLESHOOTING P 24 DISPOSAL OF UNIT P 25 RECYCLE OF NICKEL CADMIUM BATTERY P ...

Page 3: ... 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...

Page 4: ... or volatile location This may cause explosion or fire Never install the unit where acid or corrosive gases are present as current leakage or electric shock may result due to corrosion Use a dedicated power source is used as indicated on the rating label attached to the unit Remove dust from the power supply plug before inserting in a power source A dusty plug or improper insertion may cause a haz...

Page 5: ...out by an unauthorized person may result in fire or injury due to a malfunction Disconnect the power supply plug if there is something wrong with the unit Continued abnormal operation may cause electric shock or fire If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do not have access and that doors cannot be closed completely The disposal of th...

Page 6: ...f the articles fall Current leakage or electric shock may be resulted form the deterioration of insulation by spilled water Do not climb onto the unit or do not put articles on the unit This may cause injury by tipping or damage to the unit Do not put glass bottles or cans into the compartment since they may be broken by frozen contents and cause injury Put on dry gloves when you take out refriger...

Page 7: ...r supply plug before moving the unit Take care not to damage the power cord A damaged cord may cause electric shock or fire Be careful not to tip over the unit during movement to prevent damage or injury Always disconnect the power plug when the unit is not used for long periods Do not put the packing plastic bag within reach of children as suffocation may result CAUTION ...

Page 8: ...e cooling pipe is routed in the rear of the freezer Never use a knife or a screw driver etc to remove the frost They may cause damage of chamber wall or improper operation of the unit And do not make any holes for attaching accessories on the freezer wall The digital thermometer of this unit is designed to display the temperature of the center part of the freezing compartment Although the thermome...

Page 9: ...e the back up system switch OFF as well for AT type After the inside temperature reaches the appropriate level set the needle for the warning device operation of the temperature recorder When the unit is first installed or re started after long period of no use the power failure alarm may not operate because its Cadnica batteries have completely discharged This does not denote a malfunction In thi...

Page 10: ...midity 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 over voltages according to Installation Categories Over voltage Categories II For mains supply the minimum and normal category is II 8 Pollution degree 2 i...

Page 11: ...10 FREEZER COMPONENTS MDF 593 1 3 13 7 8 12 10 11 4 2 9 6 5 15 14 ...

Page 12: ...y area The digital temperature indicator alarm lamp and filter check lamp are installed 9 Exhaust air vent Be careful not to block this 10 Control panel cover 11 Control panel cover lock To lock the control panel cover to avoid the setting by accidental contact 12 Control panel Temperature set key power switch and so on are installed AT type has a temperature recorder and switches of back up syste...

Page 13: ...erature adjustment can be shifted using this key 7 Numerical value shift key The figure that is displayed digitally can be changed by pressing this key 8 Enter key ENT When the desired temperature is reached press this key Operation will commence toward this new point 9 Alarm test key ALARM Check that the alarm lamp and the buzzer are functional when the deep freezer is operating well 10 Buzzer ke...

Page 14: ...floor may cause vibration and noise A location not prone to high humidity 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 sp...

Page 15: ...eveling 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 If holes can be opened on the wall open a hole with a 10 5mm diameter and fix the frame by using the chain supplied with this unit 4 Ground earth WARNING Use a power sup...

Page 16: ...m activates according to the procedure on page 20 when the temperature display pointer of temperature recorder corresponds with the desired temperature if the back up system is used AT type only 7 Switch on the remote alarm switch and CO2 back up switch AT type only 8 Check that the alarm lamp lights and the buzzer sound by pressing the alarm test key 9 Make sure that liquid CO2 spouts into the ch...

Page 17: ...ith the numerical value shift key When pressed the figure of settable digit changes 3 By pressing the digit shift key set the first digit The first digit blinks 4 Set the first digit to 0 with the numerical value shift key When pressed the figure of settable digit changes 5 Press enter key ENT Set temperature is memorized and the current chamber temperature is displayed Note The temperature set mo...

Page 18: ...ure alarm setting 15o C higher than the setting of chamber temperature Description of operation Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press the numerical value shift key for about 5 seconds The first digit blinks 3 Set the first digit to 1 with the numerical value shift key The first digit blinks 4 Press ENT key ENT The first digit blinks 5 Set th...

Page 19: ...rent setting is displayed and the first digit blinks The settable digit is shifted 5 Set to 130 with the digit shift key and numerical value shift key When pressed the figure of settable digit changes 6 Press ENT key ENT Alarm resume time is memorized and the current chamber temperature is displayed The settable alarm resume time is between 10 and 60 minutes with 1 minute increment The setting is ...

Page 20: ...layed alternately If the thermal sensor is shirt circuited Alarm lamp blinks E01 and 170o C is displayed alternately Intermittent tone Remote alarm Continuous operation If the cascade sensor is disconnected Alarm lamp blinks E03 and chamber temp is displayed alternately If the cascade sensor is shirt circuited Alarm lamp blinks E04 and chamber temp is displayed alternately Intermittent tone Remote...

Page 21: ...th the freezer connect the liquid CO2 gas cylinder to the joint of the back up system For this setting consult with a qualified gas supplier or Sanyo sales agency 2 After setting the liquid CO2 gas cylinder operate the freezer until the chamber temperature reaches the required level 3 Set the warning indicator of the recorder at the temperature higher than 70o C The back up system is operated cont...

Page 22: ...cog wheel 4 Set the chart according to the mark of day and time Fig 3 5 When mounting lay down the cartridge first and push into the mounting position with the groove set a the projection on the position 6 Set up the cartridge and settle in position Replacement of cell Replace the dry cell once a year as follows 1 Put up the penholder first then pull out cartridge from the mounted position 2 Reset...

Page 23: ... chart Note Turn off the back up switch when the freezer operation is stopped or the back up system is not used The battery for back up system is discharged when the back up switch is kept on The additional felt pen or recording paper is available from Sanyo sales agency To stop the temperature recorder remove the cell from the recorder The back up system can operate without recorder cell Always r...

Page 24: ...t of the unit Cleaning of condenser filter This unit is provided with the filter check lamp This lamp flickers and the buzzer sounds when the condenser filter is clogged Clean the filter according to the following procedure As a clogged filter may cause poor cooling and compressor trouble clean it once a month 1 The filter fitted to the grille can be removed as shown in the figure 2 Remove the mou...

Page 25: ... the sturdy floor There is anything touching the frame The freezer is not leveled with the leveling feet It is the immediately after starting of refrigeration The freezer causes larger noise when the chamber temperature is high because of large load The noise gets smaller along with chamber temperature Alarm test key cannot actuate the alarm function The alarm test key does not function when the p...

Page 26: ...ed in an unsupervised area for an extended period ensure that children do not have access and doors cannot be closed completely The disposal of the unit should be accomplished by appropriate personnel Always remove doors to prevent accidents such as suffocation ...

Page 27: ...m battery 1 Turn off the power switch and disconnect the power supply plug 2 As shown in the Fig 1 remove 4 fixing screws on the front panel and remove the front panel 3 Remove 4 fixing screws on the control panel and take out the control panel Fig 2 4 Remove 2 fixing screws on the control box to remove the control box cover Fig 3 5 Remove 2 screw fixing the clips securing the battery and then dis...

Page 28: ... C Sensor Pt 100Ω Alarm Nickel cadmium battery Remote alarm contact Buzzer and lamp Battery For power failure alarm 6VDC 270mAh Voltage booster Electrical 208 230 V 1 HP 60 Hz Minimum operating voltage 193 V at start up of compressor Accessories 1 set of key 2 rubber caps 1 scraper Weight 319 kg 380 kg Option Aluminum container MDF 59SC Inventory rack IR213C IR309C Temperature recorder MTR 85H CVK...

Page 29: ... unit 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 P...

Page 30: ...Recycled paper SANYO Electric Biomedical Co Ltd 10 15 Hongo 3 Chome Bunkyoku Tokyo 113 8434 Japan Printed in Japan 7FB6P10140500 25 Feb 2005 ...