MDF-C8V1 Instructions Manual
Contents
1. COMPONENTS LIST P 5 INSTALLATION Assembling of the solenoid valve P 8 Installation of the door switch P 9 installation of the back up kit P 10 Wiring P 12 CONTROL PANEL P 13 TRIAL OPERATION P 14 Calibration P 14 SPECIFICATIONS P 15 PERFORMANCE P 15 INTRODUCTION m Read this manual carefully before using the appliance and follow the instructions for safety operation E Sanyo never guarantee any safety if the appliance is used for any objects other than intended use or used by any procedures other than those mentioned in this manual m Keep this manual in an adequate place to refer to it as necessary m The contents of the manual 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 m Contact Sanyo sales representative or agent if any point in this manual is unclear or if there are any inaccuracies m No part of this manual may be reproduced in any form without the expressed written permission of Sanyo m The mounting plate MDF UBK of the option goods is necessary for the installation of the back up system 75 PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with this manual as it contains important safety advice ltems and procedures are described so that you can use this unit correctly and safely If the precautions advised are followed t2. If the thermal sensor is E01 and chamber temp disconnected are displayed alternately Intermittenttone Remote alarm Alarm lamp is flashed If the thermal sensor is a E02 and chamber temp short circuited Sensor are displayed alternately abnormality Alarm lamp is flashed If the thermal sensor of the na E05 and chamber temp compressor is disconnected are displayed alternately Intermittent tone Remote alarm Alarm lamp is flashed If the thermal sensor of the no E06 and chamber temp compressor is short circuited are displayed alternately Battery switch When battery switch is OFF at Alarm lamp is flashed check the time of alarm test E09 is flashed Remote alarm Alarm lamp is flashed In the event of failure of fan motor Condenser temp Compressor of E10 and chamber temp Intermittent tone abnormality for cooling the compressor high stage side are displayed alternately i stops Note m After power failure the operation is resumed with the condition before power failure m The chamber temperature is displayed for 5 seconds if the alarm buzzer stop key BUZZER is depressed during the power failure alarm After that the alarm buzzer stops The alarm lamp ALARM keeps blinking m In the case of sensor abnormality E01 or E02 is displayed the freezer continues to run mE os 20 ROUTINE MAINTENANCE A WARNING Always disconnect the power supply to the unit prior to
3. AC 220 V AC 230V AC 240V AC 220V Rated frequency Rated power consumption 295 W 300 W 310 W 325 W 350 W 310 W 49 dB A background noise 20 dB 3 7 MPa Note The unit with CE mark complies with EC directives 89 336 EEC 93 68 EEC and 73 23 EEC fl 38 AN CAUTION Please fill in this form before servicing Hand over this form to the service engineer to keep for his and your safety Safety check sheet 1 Freezer contents LIYes LINo Risk of infection LIYes LINo Risk of toxicity LlYes LINo Risk from radioactive sources LIYes LINo List all potentially hazardous materials that have been stored in this unit Notes 2 Contamination of the unit Unit interior IYes LINo No contamination LIYes LINo Decontaminated LIYes LINo Contaminated IYes LINo Others 3 Instructions for safe repair maintenance of the unit a The unit is safe to work on LlYes LINo b There is some danger see below LlYes LINo 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 C8V freezer Please decontaminate the unit yourself before calling the service engineer 39 Ju SANYO INSTRUCTION MANUAL CVK UB4 CVK UB4 I Back up System for Ultra Low Temperature Freezer CONTENTS INTRODUCTION P 2 PRECAUTIONS FOR SAFE OPERATION P 3
4. any repair or maintenance of the unit in order to prevent electric shock or injury Ensure you do not inhale or consume medication or aerosols from around the unit at the time of maintenance These may be harmful to your health Cleaning of cabinet m Clean the unit once a month Regular cleaning keeps the unit looking new m Use a dry cloth to wipe off small amounts of dirt on the outside and inside of the unit and all accessories If the outside panels are dirty clean them with a diluted neutral dishwashing detergent Undiluted detergent can damage the plastic components For the dilution refer to the instruction of the detergent After the cleaning with the diluted detergent always wipe it off with a wet cloth Then wipe off the cabinet or accessories with a dry cloth m Never pour water onto or into the unit Doing so can damage the electric insulation and cause failure m The compressor and other mechanical parts are completely sealed This unit requires absolutely no lubrication m Remove the frost on the inner lid once a month m Press the back up test switch once a month to check the back up system operation when the back up system is installed Defrosting The frost is built on the inside wall of the chamber and inner lid The excessive frost possibly makes some gap between the cabinet and door gasket which may cause poor cooling Remove the frost with a scraper enclosed with the unit Following shows the procedure for remo
5. the freezer chamber in a small batch to prevent the temperature rise Operation after power failure The settings chamber temperature alarm temperature are memorized by nonvolatile memory during the power failure Accordingly the freezer resumes the operation with setting before power failure AN The condensing fan does not operate for more than 30 minutes after start up The condensing fan may not operate during normal operation when the ambient temperature is lower than 20 C This does not mean malfunction CHAMBER TEMPERATURE SETTING Table 1 shows the basic procedure for setting the chamber temperature Perform key operations in the sequence indicated in the table The example in the table is based on the assumption that the desired temperature is 75 C Note The chamber temperature is set to 80 C at the factory Table 1 Basic operation sequence Example Chamber temperature 75 C a Description of operation Key operated Indication after operation Connect the power cord to the The current chamber temperature is 2 o dedicated outlet displayed Press SET key The second digit is flashed H a IIN When pressed the figure of settable Set to 75 with the numerical value digit changes shift key and digit shift key oa ren pressed the settable digit om shifted Set temperature is memorized and the 4 Press SET key current chamber temperature is displayed Note m The temperat
6. INDICATOR of the backup system declines It is LAMP ORANGE attached When the door of the freezer opens and DOOR SWITCH closes it is the switch which does on off It is attached WIRING ASSY DS 10 2 10 3 DOOR SWITCH N It is a plate which fixes a door switch MTG PLATE F ass y j Oo N O O1 SHIM for DOOR It is a plate to lay under the door switch SWITCH MTG NO mounting plate It is fixed on the door of the freezer and it STRIKE PLATE 1 is the part that on off does a door switch by the open close of the door WIRE COVER ER SCREW A M4x10 C TIGHT For nylon clip 6N 1 For Nylon clip 7N 2 For back up system 2 For solenoid valve 4 For mounting plate 2 SCREW B M4x10 STAINLESS CO LORED HEAD For solenoid cover 4 For door switch ass y 3 SCREW C M4x10 For valve cover STAINLESS SCREW D M5x10 For strike plate STAINLESS SCREW E M5x16 PAN HEAD CO For door switch mounting plate COMPONENTS LIST The continuation of the table 1 PARTS NAME APPEARANCE THE EXPLANATION OF THE USE WIRING ASS Y It is harness to install on the electric box of BP the freezer option INSTALLATION 1 The joint nut on the outlet side of the CO solenoid valve is removed The valve outlet pipe with the pipe insulation is inserted into the joint nut and fastened in the joint Fig 1 Fasten a joint par
7. MI Instruction manual This section is extracted and printed from Instruction Manual If you find out Refer to page in them this page means not page in service manual but page in the lower corner of each page in the extract from Instruction manual This page number is not corresponded with serial number in Service manual SANYO INSTRUCTION MANUAL MDF C8V Ultra Low Temperature Freezer SANYO gt _ I IS mm P es DR ee m us fr Sp CONTENTS INTRODUCTION PRECAUTIONS FOR SAFE OPERATION ENVIRONMENTAL CONDITIONS FREEZER COMPONENTS Control panel INSTALLATION SITE INSTALLATION START UP OF UNIT CHAMBER TEMPERATURE SETTING KEY LOCK FUNCTION ALARM TEMPERATURE SETTING SETTING OF ALARM RESUME TIME CHANAGE OF COMPRESSOR DELAY TIME REMOTE ALARM TERMINAL ALARMS amp SAFETY FUNCTIONS ROUTINE MAINTENANCE Cleaning of cabinet Defrosting Battery REPLACEMENT OF BATTERY TROUBLESHOOTING DISPOSAL OF UNIT Recycle of battery TEMPERATURE RECORDER OPTION Installation of MTR 85H Installation of MTR G85 BACK UP SYSTEM OPTION SPECIFICATIONS PERFORMANCE SAFETY CHECK SHEET Pees ee ee eee ee e UD 0 9 9 2 N O N 11 12 13 14 14 15 18 19 20 21 21 22 23 24 25 25 30 31 33 39 37 38 39 INTRODUCTION m Read this manual carefully before using the appliance and follow the instructions for
8. OPTION 39 This freezer can be provided with a back up system CVK UB4 which is available as an optional component For the installation refer to the instruction manual enclosed with the system BACKUP 1 BACK UP STANDBY 2 4 5 3 BATTERY CVK UB4 control panel CVK UB4 switch box 1 Power switch BACKUP When turning on the system the back up standby lamp green 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 Pressing this switch is resulted in the release of liquid carbon dioxide gas without system operation 3 Temperature setting knob TEMP SET With this knob set the temperature at which the system is operated The effective set temperature range is between 50 C and 70 C 4 Back up standby lamp BACK UP STANDBY A lamp that is activated in conjunction with the ON OFF of the power switch of the back up system 5 Battery lamp BATTERY This lamp is brightened in orange when the battery capacity is less NWARNING As with any equipment that uses CO gas there is a likelihood of oxygen depletion in the vicinity of the equipment It is important that you assess the work site to endure there is suitable and sufficient ventilation If restricted ventilation is suspected then other methods of ensuring a safe environment must be considered These may include atmosphere mo
9. a removed back up system cover in the back up system in the former street Fig 6 22 10 INSTALLATION 11 6 The sensor cover inside freezer chamber is removed and the thermostat sensor part of the back up system is inserted into the hole under freezer temperature style sensor The hole of the neighborhood of the thermostat sensor part which inserted A hole does not open an access port Therefore make a hole in the plus driver into freezer inside and the rear side is stopped with silicon Then a thermostat sensor is fixed on the sensor mounting plate by using the clip prepared in the sensor mounting plate in advance After that gain a sensor cover inside in the former street Fig 7 It is blocked with the silicone Thermostat sensor A pipe is made a U form 7 There is a access port which inserts the CO valve outlet pipe of the CO solenoid into the lower corner hole of MDF UBK The CO valve outlet pipe is inserted in that and a LCO gt solenoid valve is fixed on MDF UBK with one screw A M4 x 10 C It is tight Fig 8 The mounting plate A is fixed with two screws A M4 x 10 C is tight The surroundings of the CO valve outlet pipe which inserted into freezer are blocked with silicon Fig 9 The valve cover mounting plate is fixed by using the screw which sticks in the freezer in advance It gains a valve cover after a CO valve outlet pipe is bent in the botto
10. air or maintenance for the safety of service personnel ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions based on the IEC 1010 1 m Indoor use m Altitude up to 2000 m a Ambient temperature 5 C to 40 C m Maximum relative humidity 80 for temperature up to 31 C decreasing linearly to 50 relative humidity at 40 C m Mains supply voltage fluctuations not to exceed 10 of the nominal voltage m Other supply voltage fluctuations as stated by the manufacturer m Transient overvoltages according to Installation Categories Overvoltage Categories Il For mains supply the minimum and normal category is II m Pollution degree 2 in accordance with IEC 664 FREEZER COMPONENTS 4 FREEZER COMPONENTS 1 Lock By turning to 180 degree to clockwise with a key the door can be locked 2 Door Top hinged type To open the door grip the handle 3 Magnetic door gasket Seals the door and prevents leakage of cold air 4 Inner lid Serves as a means of reducing cold air leakage when the door is open Remove the frost regularly 5 Access port Located on the back side and bottom These are used for leading the measuring cable from the freezing chamber to the outside The bottom port is also used for passing the temperature sensor 6 Caster 4 casters are provided for easy movement 7 Leveling foot Serves to adjust the height and to settle the frame
11. ble 1 are gathered Report it to the dealer or the sales if there is a problem in packing of the product Table 1 PARTS NAME APPEARANCE THE EXPLANATION OF THE USE 1 PLATE MTG A The plate fixes a solenoid valve cover 5 LCO SOLENOID a Fa It is the solenoid valve of LCO This is VALVE ASS Y NR assembled by the setup 24 LCO SOLENOID da It is a part of the LCO solenoid valve VALVE do assy 292 VALVE OUTLET 5 It is a part of the LCO solenoid valve PIPE assy A CO2 valve is put in the chamber and it 2 3 SK BAND mar is the part which fixes insulation LCO JOINT PIPE i The pipe which connects a LCO gas 3 AND JOINT cylinder and the LCO solenoid valve PACKING 4 BACK UP A a LCO is injected when a freezer has SYSTEM Bs temperature rise 5 SOLENOID VALVE This cover is a protection of the LCO COVER solenoid valve BACK UP SYSTEM This cover is a protection of the back up COVER system VALVE PLATE T This plate fixes a valve cover MTG This cover protects a valve outlet pipe in VALVE COVER the chamber COMPONENTS LIST The continuation of the table 1 PARTS NAME APPEARANCE THE EXPLANATION OF THE USE DOOR SWITCH This assy connected a door switch and ASSY two indicator lamps green and orange It is put near the connection place 10 It is the lamp turned on with a power switch of the back up system It is attached INDICATOR LAMP GREEN It is the lamp turned on when the battery
12. e e Disconnect the power plug when the unit is not used for long periods Keeping the connection may cause electric shock current leakage or fire due to the deterioration of insulation O 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 Q The disposal of the unit should be accomplished by appropriate personnel Remove doors to prevent accidents such as suffocation S Do not put the packing plastic bag within reach of children as suffocation may result PRECAUTIONS FOR SAFE OPERATION NCAUTION Use a dedicated power source a dedicated circuit with a breaker as indicated on the rating label attached to the unit A branched circuit may cause fire resulting from abnormal heating Connect the power supply plug to the power source firmly after removing the dust on the plug dusty plug or improper insertion may cause a heat or ignition S 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 O 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 O Be careful not to tip over the unit during movement to prevent damage or injury Q Prepare a safety check sheet when you request any rep
13. e vivemos Italian II vostro prodotto SANYO e stato costruito da materiali e componenti di alta qualita che sono riutilizzabili o riciclabili Prodotti elettrici ed elettronici portando questo simbolo alla fine delluso devono essere smaltiti separatamente dai rifiuti casalinghi Vi preghiamo di smaltire questo apparecchio al deposito comunale Nell Unione Europea esistono sistemi di raccolta differenziata per prodotti elettrici ed elettronici Aiutateci a conservare l ambiente in cui viviamo 61 28 DISPOSAL OF UNIT 29 Dutch Sanyo producten zijn ontwikkeld en gefabriceerd uit eerste kwaliteit materialen de onderdelen kunnen worden gerecycled en weer worden gebruikt Het symbool betekent dat de elektrische en elektronische onderdelen wanneer deze vernietigd gaan worden dit separaat gebeurt van het normale huisafval Zorg ervoor dat het verwijderen van de apparatuur bij de lokaal erkende instanties gaat gebeuren In de Europese Unie wordt de gebruikte elektrische en elektronische apparatuur bij de daarvoor wettelijke instanties aangeboden Alstublieft help allen mee om het milieu te beschermen Swedish Din SANYO produkt ar designad och tillverkad av material och komponenter med hog kvalitet som kan atervinnas och ateranvandas Denna symbol betyder att elektriska och elektroniska produkter efter slutanvandande skall sorteras och l mnas separat fran Ditt hush llsavfall V nligen l mna denna p
14. ease help us to conserve the environment we live in German Ihr SANYO Produkt wurde entworfen und hergestellt mit qualitativ hochwertigen Materialien und Komponenten die recycelt und wiederverwendet werden konnen Dieses Symbol bedeutet daR elektrische und elektronische Gerate am Ende ihrer Nutzungsdauer von Hausm ll getrennt entsorgt werden sollen Bitte entsorgen Sie dieses Ger t bei Ihrer rtlichen kommunalen Sammelstelle oder im Recycling Centre In der Europ ischen Union gibt es unterschiedliche Sammelsysteme f r Elektrik und Elektronikger te Helfen Sie uns bitte die Umwelt zu erhalten in der wir leben 30 26 DISPOSAL OF UNIT 27 French Votre produit Sanyo est concu et fabriqu avec des mat riels et des composants de qualit sup rieure qui peuvent tre recycl s et r utilis s Ce symbole signifie que les quipements lectriques et lectroniques en fin de vie doivent tre limin s s par ment des ordures m nag res Nous vous prions donc de confier cet quipement votre centre local de collecte recyclage Dans Union Europ enne il existe des syst mes s lectifs de collecte pour les produits lectriques et lectroniques usag s Aidez nous conserver l environnement dans lequel nous vivons Les machines ou appareils lectriques et lectroniques contiennent fr quemment des mati res qui si elles sont trait es ou limin es de mani re inappropri e peuvent s av rer pote
15. em kit See Page 12 INSTALLATION Installation of the back up kit 1 The slit bottom right rear side which freezer is being fitted up with a rear cover a sensor cover the rubber cap of the access port and insulation inside the access port are taken out 2 Wiring ass y BP is passed through the nylon clip 7N and fixed on the back of MDF UBK option with two screws A M4 x 10 C It is tight At this time a wiring ass y BP point is shown from the lower Nylon clip corner access port of MDF UBK 150 mm Fig 1 It is wired for E ad 7N the harness in the next step 3 Fig 1 3 The cover which sticks to the connector 4P in the rear of electrical box is removed and connected to the connector that it has wiring ass y BP prepared on the product side It is fixed with lead wire band on the side of the Fig 2 electrical box The rear cover of freezer is fixed after the management of the wiring assy BP is finished Fig 3 4 At this time four screws in the rear of the freezer are loosened with the second from the top the 4th left and right And MDF UBK is fixed with a screw Fig 4 5 An back up system and an back up system cover are removed and hook of the top Fig 5 on the back of the back up system is installed on MDF UBK and a bottom part is fixed with two screws A M4 x 10 C Itis tight Then it gains
16. et temperature lt during use gt m The set temperature was changed m The door was kept opened for long period m The high temperature load was stored in the chamber In above cases the alarm is stopped automatically after certain time m You put too many articles of high temperature in the chamber m Too much frost is in the chamber m The door is opened closed frequently m The set temperature is not appropriate m The freezer is in the direct sunlight m The freezer is not installed properly m The condensation can be found outside the freezer depending on the installation site or under muggy environment The condensation is caused by the humidity not by freezer failure Wipe off the condensation with a dry cloth m The freezer is not installed on the sturdy floor m The freezer is not leveled with the leveling feet m There is anything touching the frame m The freezer is in the status immediately after start up The unit sometimes causes a noise when the chamber temperature is high due to the large load The noise gets less and less accompanying with the cooling of the chamber If the malfunction is not eliminated after checking the above items or the malfunction is not shown in the above table contact Sanyo sales representative or agent CAUTION The noise of refrigerant flow may be heard due to the characteristic of refrigerating circuit Especially for several hours after start up the noise of motor compresso
17. evenly 8 Intake air vent Be careful not to block this 9 Control panel The temperature setting keys etc are located See page 10 for details 10 Space for temperature recorder An automatic temperature recorder optional part can be attached here See page 30 Temperature recorder option 11 Battery switch back side Switch for battery used for power failure alarm Always keep ON Turn the switch OFF when the unit is in no use for a long period more than 1 month 12 Remote alarm terminal back side Used to notify an alarm condition of the unit to remote location See page 19 for details 13 Fixture back side A fixture is attached to the rear of the frame Fix the frame to the wall with this fixture and rope or chain FREEZER COMPONENTS 5 8 6 TEMPERATURE C O BATTERY O ALARM ULTRA LOW 1 Alarm buzzer stop key BUZZER To silence the audible alarm press this key The alarm during the alarm test cannot be silenced by pressing this key See page 17 Setting of alarm resume time for the details 2 Set key SET Temperature setting mode is led by pressing this key and the changeable digit is flashed By pressing this key again the setting is memorized The set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation Refer to page 14 Chamber temperature setting for the details 3 Digit shift key PP Pressing this key in the
18. fixture is attached to the rear of the frame Fix the frame to the wall with this fixture and rope or chain Leveling foot 4 Ground earth The ground earth is for preventing the electric shock in the case of the electrical insulation is somehow degraded Always ground the unit at the time of installation WARNING Use a power supply outlet with ground earth to prevent electric shock If the power supply outlet is not grounded it is 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 q 12 START UP OF UNIT 13 Follow the procedures for the initial and consequent operations of the unit 1 Connect the power cord to the dedicated outlet having appropriate rating with the chamber empty 2 Turn off the power switch of the back up system optional component if it is installed 3 Check that the battery switch is ON 4 Set the chamber temperature to the desired temperature 5 Allow the chamber temperature to fall to the desired temperature Check the chamber temperature on the temperature indicator 6 Turn on the power switch of the back up system optional component if it is installed 7 Press the alarm test key ALARM TEST and check that the alarm lamp blinks and alarm buzzer activates 8 After confirming the above you can put articles into
19. flashed FOL 5 seconds Press numerical value shift key and When pressed the figure of settable FDP scroll the figure to 2 digit increases The right digit is flashed 4 Press set key Set the temperature to 05 with the os Pressing the key shifts the digit which can be set 5 4 key and numerical value shift When pressed the figure of settable digit increases Alarm temperature is memorized and Press set key the current chamber temperature is displayed mi 16 SETTING OF ALARM RESUME TIME 17 The alarm buzzer is silenced by pressing alarm buzzer stop key BUZZER key on the control panel during alarm condition The remote alarm is not silenced The buzzer will be activated again after certain suspension if the alarm condition is continued The suspension time can be set by following the procedure shown in the Table 5 below The example in the table is based on the assumption that the desired duration is 20 minutes Note The duration is set in 30 minutes at the factory Table 5 Setting procedure for alarm resuming time change from 30 minutes to 20 minutes Description of operation Key operated Indication after operation The current chamber temperature is 1 H displayed Press numerical value shift key for 2 Ao The first digit is flashed FOU 5 seconds Set the figure to F25 with the Pressing the
20. he high voltage components are enclosed in the electrical box The cover should be removed by a qualified engineer or a service personnel only to prevent the electric shock 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 1 screws fixing the side cover with a screw driver and remove the side cover 3 Disconnect the battery connector Fig 3 4 Remove 4 screws fixing the battery cover Fig 4 5 Take out the battery 6 Follow the procedure for recycling or proper disposal Handling of battery Cover the battery terminal with an insulating tape to avoid the short circuit Then follow the procedure for recycling or proper disposal Side cover TROUBLESHOOTING If the unit malfunctions check out the following before calling for service Malfunction Check Remedy The freezer does not run The alarm device is active The cooling is poor There is condensation outside the freezer Note m The power cord is not connected to the proper outlet m The power source does not have enough capacity m The power failure is occurred m The circuit breaker of power source is active m The fuse is blown Note Move the freezer contents to another freezer if the chamber temperature raise due to the freezer failure lt at the start up gt m The chamber temperature deviates from the s
21. hibited this symbol means an instruction must be followed Be sure to keep this manual in a place accessible to users of this unit lt Label on the unit gt 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 engineer or a service personnel only NWARNING As with any equipment that uses CO gas there is a likelihood of oxygen depletion in the vicinity of the equipment It is important that you assess the work site to ensure there is suitable and sufficient ventilation If restricted ventilation is suspected then other methods of ensuring a safe environment must be considered These may include atmosphere monitoring and warning devices PRECAUTIONS FOR SAFE OPERATION WARNING Do not use the unit outdoors Current leakage or electric shock may result if the unit is exposed to rain water Only qualified engineers or service personnel should install the unit The installation by unqualified personnel may cause electric shock or fire Install the unit on a sturdy floor and take an adequate precaution to prevent the unit from turning over 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 Never install the unit in a humid place or a place where it is likely to be splashed by water Deterioration of the insulati
22. his will prevent possible injury to the user and any other person Precautions are illustrated in the following way WARNING Failure to observe WARNING signs could result in a hazard to personnel possibly resulting in serious injury or death CAUTION Failure to observe CAUTION signs could result in injury to personnel and damage to the unit and associated property Symbol shows VAN this symbol means caution S 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 lt Label on the unit gt 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 engineer or a service personnel only NWARNING As with any equipment that uses CO gas there is a likelihood of oxygen depletion in the vicinity of the equipment It is important that you assess the work site to ensure there is suitable and sufficient ventilation If restricted ventilation is suspected then other methods of ensuring a safe environment must be considered These may include atmosphere monitoring and warning devices PRECAUTIONS FOR SAFE OPERATION WARNING O Only qualified engineers or service personnel should install this system The installation by unqualified personnel may cause electric shock or fire Turn off the a
23. jury Do not touch any electrical parts such as power supply plug or operate switches with a wet hand This may cause electric shock PRECAUTIONS FOR SAFE OPERATION WARNING Ensure you do not inhale or consume medication or aerosols from around the unit at the time of Q maintenance These may be harmful to your health D Never splash water directly onto the unit as this may cause electric shock or short circuit Never put containers with liquid on the unit as this may cause electric shock or short circuit when the liquid is spilled Never bind process or step on the power supply cord or never damage or break the power supply plug A broken supply cord or plug may cause fire or electric shock S Do not use the supply cord if its plug is loose Such supply cord may cause fire or electric shock SO Never disassemble repair or modify the unit yourself Any such work carried out by an unauthorized person may result in fire or electric shock 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 O 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 e 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 fir
24. k up stand by on the door switch ass y is brightened This means that the system is ready When this switch is turned off the operation of the back up system stops and a back up stand by lamp turns off the lights 2 Test switch TEST This button switch is for checking the operation of back up system Pressing this switch is resulted in the release of LCO gas into the freezer chamber with regardless the condition A battery lamp is turned on when battery capacity decreases at this time Push a back up test switch for the life test of the battery sometimes 3 Temperature setting knob TEMP SET With this knob set the temperature at which the system is operated The effective set temperature range is between 50 C and 70 C 4 Back up stand by lamp BACKUP STANDBY It is the lamp turned on by ON OFF of the back up power switch GREEN color 5 Battery lamp BATTERY A power failure and a back up test switch are pushed and CO2 gas appears and it is turned on when battery capacity decreases ORANGE color NCAUTION Batteries are expendable supplies Exchange it for about every three years And entrust a dealer or sales with the exchange of the battery and cooperate with recycling of the battery after the use When a battery declines by the power failure a back up unit stops working and an exchange is recommended because a contents thing can not be protected any more 13 TRIAL OPERATION Following is the proced
25. key shifts the digit which can be set 3 digit shift key and numerical value When pressed the figure of settable shift key digit increases ms The current setting is displayed y The middle digit is flashed 5 Set the figure to 020 with the When pressed the figure of settable numerical value shift key digit increases Alarm resume time is memorized and Press set key SET the current chamber temperature is H0O displayed m The settable alarm resume time is 10 20 30 40 50 or 60 minutes The setting is 010 020 030 040 050 or 060 The buzzer would not reset if the reset time is set in 000 m lt is recommended to set the alarm resume time when the freezer is not under alarm condition The new setting is effective on the next alarm condition m The setting cannot be changed during power failure m The remote alarm during power failure or buzzer and remote alarm during alarm test cannot be silenced m 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 the set key SET is not memorized CHANGE OF COMPRESSOR DELAY TIME The delay time of the compressor can be changed to reduce the load on the power line and to facilitate the start up reset of the freezer after power failure The example in the table is based on the assumption tha
26. ll switches and disconnect the power supply to the ultra low temperature freezer Never disassemble repair or modify the unit yourself Any such work carried out by an prior to the attachment of the back up system in order to prevent electric shock or injury unauthorized person may result in fire or injury due to a malfunction There is a terminal AC 100V of the high voltage in the back up system Attach the back up unit cover before starting the trial operation The operation without the cover may cause electric shock CO gas is released when the back up system is operated Use this kit in well ventilated environment as high CO density level may cause a deficiency of oxygen NCAUTION This manual includes the attachment procedure for CVK UB4 and CVK UB4 I only For its operation and the operation of a ultra low temperature freezer see an instruction manual provided with the freezer O Put on the dry gloves to protect the hands at the time of attachment No gloves may cause cut of the finger by the edge or corner O Connect a pipe from a liquid CO gas cylinder to this unit correctly Incorrect connection may cause gas leakage O Check the gas piping before trial operation to avoid gas leakage O Stop the operation immediately and review the attachment procedure carefully if there is something wrong with the back up system during the trial operation COMPONENTS LIST Confirm that the accessories of the ta
27. m Fig 10 chamber Fig 10 8 The wiring ass y DS which it goes to out of the door switch ass y is passed through the nylon clip 6N and MDF UBK is stopped with one screw A M4 x 10 C It is tight Fig 11 9 When all harness management is finished a solenoid valve cover is fixed with four screws B M4 x 10 stainless steel coating head four places Fig 12 see page 12 INSTALLATION 1 Harness a white connector from the solenoid valve is connected to the connector of the upper same color of the back up system 2 It passes through the wiring ass y DS one white connector and two red connectors from the door switch ass y from the outside of the solenoid and each upper of the back up system ass y is connected with the connector of the same color 3 Wiring ass y BP white connector from the freezer itself is connected with the connector of the upper same color of the back up system ass y NWARNING There is a terminal AC 100V of the high voltage in the back up system Attach the back up unit cover before starting the trial operation The operation without the cover may cause electric shock Connect the connection of the connector until you have clicking sound 85 12 CONTROL PANEL BACKUP BACK UP STANDBY BATTERY Control panel for CVK UB4 Door switch ass y for CVK UB4 1 Power switch of back up system BACKUP When turning on the system the bac
28. m activates at the temperature 5 C higher than the chamber set temperature Low temperature alarm activates at the temperature 5 C lower than the chamber set temperature Note The alarm temperature is set at the factory 10 C higher and lower than the chamber set temperature The available range of high low temperature alarm is between 5 C and 20 C higher lower than the chamber set temperature Table 3 Procedure for setting high temperature alarm Description of operation Key operated Indication after operation The current chamber temperature is displayed 1 H Press numerical value shift key for 2 y Ao The first digit is flashed 0 5 seconds 3 Press numerical value shift key and When pressed the figure of settable scroll the figure to 1 digit increases The right digit is flashed 4 Press set key Set the temperature to 005 with the 5 digit shift key and numerical value 2 ren pressed the figure of settable shift key ie Am increases Alarm temperature is memorized and Press set key the current chamber temperature is displayed 15 Le ALARM TEMPERATURE SETTING Table 4 Procedure for setting low temperature alarm Description of operation Key operated Indication after operation The current chamber temperature is 1 p HUH displayed Press numerical value shift key for 2 awa The right digit is
29. mmediately and review the attachment procedure carefully if there is something wrong with the back up system during the trial operation Calibration In the case that there is a difference between the chamber temperature and displayed temperature Adjust the displayed temperature by the method of the service technical manual 14 SPECIFICATIONS Mounting kit except for gas cylinder Mounting kit except for gas cylinder Tank connecting tube mm size Tank connecting tube inch size Note Design or specifications will be subject to change without notice The battery for power failure alarm is an article for consumption It is recommended that the battery will be replaced about every 3 years Contact Sanyo sales representation or agent at the time of replacement of the battery for recycling PERFORMANCE Duration Approx 13 hours liquid CO gas cylinder of 30 kg Maximum power consumption Usable environment Temperature 5 to 30 C Humidity Less than 80 RH Note The back up system is operated with an installed battery in the event of power failure About two day operation of a freezer is necessary to full charge the battery ambient temp 30 C set temp 70 C no load 45 88
30. nitoring and warning devices BACK UP SYSTEM OPTION With the back up system CVK UB4 the freezer prevents the chamber temperature from going up by injecting the liquid CO gas when the power supply is disconnected power failure disconnection of power cord breaker OFF or in the case of failure of freezer itself The liquid CO gas is injected with the activation of solenoid valve energized by battery when the chamber temperature reaches the alarm temperature Following shows the procedure for setting the back up system 1 Setting of liquid CO gas cylinder By using the joint and pipe enclosed with the back up system connect the liquid CO gas Rough scheme back side cylinder to the joint of the back up system For this setting consult with a qualified gas supplier or gas cylinder Sanyo sales agency 2 After setting the liquid CO gas cylinder operate the freezer until the chamber temperature reaches the required level 3 Set the temperature of back up operation at the temperature higher than 70 C The back up system is operated continuously if the temperature of back up operation is set at the temperature lower than 70 C This means the liquid CO gas is consumed very quickly 4 Switch on the back up system 5 Make sure that liquid CO gas spouts into the freezer chamber by pressing the back up test switch Note m The liquid CO gas cylinder loses its cooling capacity at speed when the ambient temperat
31. ntiellement dangereuses pour la sant humaine et pour l environnement Cependant ces mati res sont n cessaires au bon fonctionnement de votre appareil ou de votre machine Pour cette raison il vous est demand de ne pas vous d barrasser de votre appareil ou machine usag avec vos ordures m nag res Spanish Los productos SANYO estan dise ados y fabricados con materiales y componentes de alta calidad que pueden ser reciclados y reutilizados Este simbolo significa que el equipo el ctrico y electronico al final de su ciclo de vida no se debe desechar con el resto de residuos dom sticos Por favor deposite su viejo televisor en el punto de recogida de residuos o contacte con su administracion local En la Union Europea existen sistemas de recogida especificos para residuos de aparatos el ctricos y electronicos Por favor ayudenos a conservar el medio ambiente DISPOSAL OF UNIT Portuguese O seu produto SANYO foi concebido e produzido com materiais e componentes de alta qualidade que podem ser reciclados e reutilizados Este s mbolo significa que o equipamento el ctrico e electr nico no final da sua vida til dever ser descartado separadamente do seu lixo dom stico Por favor entregue este equipamento no seu ponto local de recolha reciclagem Na Uni o Europeia existem sistemas de recolha separados para produtos el ctricos e electr nicos usados Por favor ajude nos a conservar o ambiente em qu
32. on may result which could cause current leakage or electric shock D Never install the unit in a flammable or volatile location This may cause explosion or fire S Never install the unit where acid or corrosive gases are present as current leakage or electric shock may result due to corrosion Gr ground earth the unit to prevent electric shock If the power supply outlet is not grounded it will be necessary to install a ground by qualified engineers S 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 Q 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 that on the rating label may cause fire or electric shock S Never store volatile or flammable substances in this unit if the container cannot be sealed These may cause explosion or fire Do not insert metal objects such as a pin or a wire into any vent gap or any outlet on the unit This may cause electric shock or injury by accidental contact with moving parts Use this unit in safe area when treating the poison harmful or radiate articles Improper use O may cause bad effect on your health or environment e Turn off the power switch if provided and disconnect the power supply to the unit prior to any repair or maintenance of the unit in order to prevent electric shock or in
33. ot 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 m A location without flammable or corrosive gas Never install the unit in a flammable or volatile location This may cause explosion or fire or may result in the current leakage or electric shock by the corrosion of the electrical components m A location without the possibility of anything fall Avoid installing the unit in the location where anything can fall down onto the unit This may cause the breakdown or failure of the unit INSTALLATION 1 Removing the packaging materials and tapes Remove all transportation packaging materials and tapes Open the doors and ventilate the unit If the outside panels are dirty clean them with a diluted neutral dishwashing detergent Undiluted detergent can damage the plastic components For the dilution refer to the instruction of the detergent After the cleaning with the diluted detergent always wipe it off with a wet cloth Then wipe off the panels with a dry cloth 2 Adjusting the leveling foot Extend the leveling feet by rotating them counterclockwise to contact them to the floor Ensure the unit is level and the casters are not in contact with the floor _ 3 Fixing the unit A
34. r or refrigerant flow can be larger But such noise does not mean malfunction nor failure a 24 DISPOSAL OF UNIT A WARNING If the unit is to be stored unused 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 Recycle of battery ZY The unit contains a rechargeable battery The battery is recyclable At the end es Ni MH a ma i of it s useful life check with you local solid officials option or proper disposal Label indication is obliged to comply with Taiwanese battery regulation 25 58 DISPOSAL OF UNIT Note This symbol mark and recycle system are applied only to EU countries and not applied to the countries in the other area of the world Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC English Your SANYO product is designed and manufactured with high quality materials and components which can be recycled and reused This symbol means that electrical and electronic equipment at their end of life should be disposed of separately from your household waste Please dispose of this equipment at your local community waste collection recycling centre In the European Union there are separate collection systems for used electrical and electronic products Pl
35. rodukt hos Din lokala mottagningstation f r avfall tervinningsstation Inom den Europeiska Unionen finns det separata tervinningssystem f r begagnade elektriska och elektroniska produkter V nligen hj lp oss att bevara milj n vi lever i TEMPERATURE RECORDER OPTION A WARNING Always disconnect the power supply to the unit prior to attachment of a temperature recorder in order to prevent electric shock or injury An automatic temperature recorders is available for the freezer as the optional component The type of the recorder is MTR 85H or MTR G85 For the attachment optional component is necessary as follows Temperature recorder Mounting kit Recorder sensor cover MTR 85H MDF S3085 MTR C8 MTR G85 MTR C8 For the installation of the temperature recorder contact Sanyo sales representative or agency Space for temperature recorder 63 30 TEMPERATURE RECORDER OPTION 31 1 Remove 4 screws A B C D on the side of the front panel to take off the front panel Then remove 4 screws on the cover for the recorder mounting space and take off the cover Fig 1 After removing the cover replace 4 screws 2 As shown in Fig 2 install the recorder to the front panel by using the fixture enclosed with the recorder and the mounting plate MDF S3085 3 Lead the recorder sensor to the chamber through the access port at the bottom of the chamber Note The port is covered with a thermal in
36. safety operation E Sanyo never guarantee any safety if the appliance is used for any objects other than intended use or used by any procedures other than those mentioned in this manual m Keep this manual in an adequate place to refer to it as necessary m The contents of the manual 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 m Contact Sanyo sales representative or agent if any point in this manual is unclear or if there are any inaccuracies m No part of this manual may be reproduced in any form without the expressed written permission of Sanyo 35 PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with this manual as it contains important safety advice ltems and procedures are described so that you can use this unit correctly and safely If the precautions advised are followed this will prevent possible injury to the user and any other person Precautions are illustrated in the following way WARNING Failure to observe WARNING signs could result in a hazard to personnel possibly resulting in serious injury or death CAUTION Failure to observe CAUTION signs could result in injury to personnel and damage to the unit and associated property Symbol shows PAS this symbol means caution S this symbol means an action is pro
37. 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 the key lock 4 Numerical value shift key Pressing this key in the setting mode causes the numerical value to shift ON OFF of key lock can be selected by pressing this key in the key lock mode Pressing this key for more than 5 seconds in the temperature display mode causes the alarm temperature setting mode or alarm resume time setting mode See page 15 Alarm temperature setting or page 17 Setting of alarm resume time 5 Digital temperature indicator TEMPERATURE 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 during freezer operation 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 Battery check lamp BATTERY This lamp lights to recommend the battery replacement For the replacement consult Sanyo sales representative or agent mil 10 INSTALLATION SITE 11 To operate this unit properly and to obtain maximum performance install the unit in a location with the following conditions m location not subjected to direct sunlight Do not install the unit under direct sunlight Installation in a location subjec
38. sulation and rubber cap the recorder sensor Remove those covers before passing 4 Fix the recorder sensor to the inside of the sensor cover MTR C8 by using the enclosed clips and screws and seal the access port on the chamber side with a silicon Fig 3 Front panel Mounting plate Recorder Silicon Recorder sensor Sensor cover TEMPERATURE RECORDER OPTION 6 Attach the sensor cover to the right side of the chamber with 2 screws on the chamber wall Fig 4 Sensor cover 7 Seal the access port on the outside with putty as shown in Fig 5 8 Replace the front panel and fix it with 4 screws T 4 9 Operate the freezer until the chamber temperature gets to the set temperature Check the recorded temperature and chamber temperature displayed on the control panel Adjust the zero adjustment volume on the temperature recorder so that the recorded temperature can corresponds with the displayed temperature if they are not compliance each other Refer to the instruction manual enclosed with the Q 4 K VVV aan recorder 5 39 TEMPERATURE RECORDER OPTION 1 Remove 4 screws A B C D on the side of the front panel to take off the front panel Then remove 4 screws on the cover for the recorder mounting space Front panel and take off the cover Fig 1 2 Fix the temperature recorder to the front panel with fixture and screws enclosed wi
39. t securely so that CO gas can not leak out Fig 2 2 Insulation is fixed with a SK band Two places Fig 3 Valve outlet pipe Pipe insulation Joint nut Insulation Valve outlet pipe Fig 2 SK band NCAUTION Check the gas piping before trial operation to avoid gas leakage The nut marked with X in Fig 1 is not fixed surely Tighten it completely by assembling and enforce a leak test INSTALLATION Installation of the door switch 1 Spacer and a door switch mounting plate are fixed on the hole of the left side upside of the freezer with two screws E M5 x 16 pan head Fig 1 Door switch Door switch cove Shim for door switch mounting plate s E Door switch plate Screw B an mounting 2 It confirms that an indicator lamp the door switch and those wirings are being done and the door switch ass y is fixed on the door switch mounting plate with three screws B M4 x 10 stainless steel coating head Fig 2 3 Strike plate is installed with two screws D M5 x 10 stainless steel Fig 3 At this time adjust it to the position where door switch is pushed under the condition that door closes 4 Wire cover is put on the rear side of freezer and the protection and the wiring ass y DS which it out of the door switch ass y is pasted on the left side of freezer Fig 4 Wire cover 5 The connector of the harness is connected to the connector on the top of the back up syst
40. t the delay time is changed to 4 minutes The delay time is set in 2 minutes at the factory Note m The setting range for delay time is between 2 and 15 minutes The cool down of chamber temperature may be slow when the setting of delay time is over 5 minutes depending on the installation environment There is no need of changing the delay time when the capacity of power source is adequate Table 6 Changing procedure for delay time change from 2 minutes to 4 minutes Description of operation Key operated Indication after operation The current chamber temperature is H displayed P value shift key for 5 seconds Set the figure to F05 with the When pressed the figure of settable FO 5 numerical value shift key digit changes A le E The current delay time is displayed The first digit is flashed EE SN a numerical value shift key digit changes The delay time is memorized and Press set key SET the current chamber temperature is displayed The compressor starts to run with the delay time when the power cord is connected to the outlet or after power failure ol 18 REMOTE ALARM TERMINAL A WARNING 19 Always disconnect the power supply cord before connecting an alarm device to the remote alarm terminal The terminal of the remote alarm is installed at the back of the unit The alarm is generated from
41. ted to direct sunlight cannot obtain the intended performance m A location with adequate ventilation Leave at least 10 cm around the unit for ventilation Poor ventilation will result in a reduction of the performance and consequently the failure m A location away from heat generating sources Avoid installing the unit near heat emitting appliances such as a heater or a boiler etc Heat can decrease the intended performance of the unit m A location with little temperature change Install the unit under stable ambient temperature The allowable ambient temperature is between 5 and 30 C m A location with a sturdy and level floor Always install the unit on a sturdy and level floor The uneven floor or tilted installation may cause failure or injury Install the unit in stable condition to avoid the vibration or noise Unstable condition may 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 m 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 shock WARNING Do n
42. th the recorder Note Before fixing the temperature recorder connect the recorder connector with the connector on the right back side of the control panel Fig 2 3 Lead the recorder sensor to the chamber through the access port at the bottom of the chamber Note The port is covered with a thermal insulation and Somme or RE OTGET rubber cap Remove those covers before passing the recorder sensor 4 Fix the recorder sensor to the inside of the sensor cover MTR C8 by using the enclosed clips and screws and seal the access port on the chamber side with a silicon Fig 3 Silicon Recorder sensor Sensor cover 33 66 TEMPERATURE RECORDER OPTION 6 Attach the sensor cover to the right side of the chamber with 2 screws on the chamber wall Fig 4 7 Seal the access port on the outside with putty as shown in Fig 5 Sensor cover 9 Replace the front panel and fix it with 4 screws 10 Operate the freezer until the chamber temperature gets to the set temperature Check the recorded temperature and chamber temperature displayed on the control panel Adjust the zero adjustment volume on the temperature recorder so that the recorded temperature can corresponds with the displayed temperature if they are not compliance each other Refer to the instruction manual enclosed with the recorder CZ DS X Y D JV Se 2 i D h D AAA aan aoin 34 BACK UP SYSTEM
43. this terminal The contact capacity is DC 30 V 2 A Contact output Between COM and N O Between COM and N C At normal condition Open Close At abnormal condition Close Open Note The alarm device is activated when the power cord is disconnected because such condition is determined as power failure REMOTE ALARM MAX DC30 V 2A ALARMS amp SAFETY FUNCTIONS This unit has the alarms and safety functions shown in Table 7 and also self diagnostic functions Table 7 Alarms and safety functions Alarm amp Safety Safety operation If the chamber temperature is higher Alarm lamp is flashed Intermittent tone High temperature Remote alarm with than the temperature at which the Temperature indicator is with 15 minutes alarm 15 minutes delay high temperature alarm is activated flashed delay If the chamber temperature is lower Alarm lamp is flashed Intermittent tone Low temperature no Remote alarm with than the temperature at which the Temperature indicator is with 15 minutes alarm 15 minutes delay low temperature alarm is activated flashed delay In the case of power failure Power failure When the power cord is Alarm lamp is flashed Intermittent tone Remote alarm alarm disconnected When approx 2 8 years has passed Battery check with the power cord connected to Battery check lamp lights the outlet Alarm lamp is flashed
44. ure is over 31 C Install the liquid CO gas cylinder in the cool environment And the duration of back up time per one liquid CO gas cylinder varies depending on the ambient temperature Refer to Installation of back up system enclosed with the back up system for the available back up time m The liquid CO gas cylinder should be a siphon type m Use the pipe encloses with the back up system for the setting The extension of the pipe is not permitted because of cooling capacity 69 36 SPECIFICATIONS Cabinet Rigid polyurethane foamed in place and VIP vacuum insulation panel Door Rigid polyurethane foamed in place Digital display setting range between 55 C and 85 C Automatic temperature recorder MTR 85H MTR G85 Mounting kit for automatic temperature recorder MTR 85H MDF S3085 Optional component Recorder sensor cover MTR C8 Back up system CVK UB4 Back up mounting plate MDF UBK Inventory rack IR 207C IR 305C Note Design or specifications will be subject to change without notice The value in the parenthesis means the dimension of projected area The battery for power failure alarm is an article for consumption It is recommended that the battery will be replaced about every 3 years 37 MO PERFORMANCE Cooling performance 80 C ambient temperature 30 C no load Temperature control range 60 C to 80 C ambient temperature 30 C no load Rated voltage AC 110 V AC 115 V
45. ure set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation m Although the value of the chamber temperature setting can range from 55 C to 85 C the guaranteed temperature range with no load is between 60 C and 80 C when the ambient temperature is 30 C 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 available The key lock is set to OFF at the factory Display Key lock is OFF Enable to change of temperature setting Key lock is ON Disable to change of temperature setting Table 2 Procedure for key lock setting change from key lock OFF to key lock ON Description of operation Key operated Indication after operation The current chamber temperature is H displayed Press digit shift key for 5 seconds wa The first digit is flashed a RS gare a and scroll the figure to 1 digit danes The key lock is set to ON 4 Press SET key The current chamber temperature is displayed mi 14 ALARM TEMPERATURE SETTING This unit is provided with the high and low temperature alarm and the temperature at which the alarm is activated is changeable The following procedure shows the setting of alarm temperature according to the condition below High temperature alar
46. ures for the trial operation of the back up system Read an instruction manual enclosed with a ultra low temperature freezer carefully before the trial operation 1 Check that the gas cylinder connect pipe is connected properly between the LCO solenoid valve and the gas cylinder The connection should be done by qualified engineers or service personnel only 2 Set the ultra low temperature freezer at desired temperature and run the freezer until it reaches the set temperature Note CQ gas will be released automatically without pressing the test switch when turn on the back up system if the set temperature of the freezer is higher than that of the back up temperature 3 Set the temperature setting knob to the temperature 10 C or more higher than the set temperature of the freezer 4 Turn on the back up system with the freezer door closed Check that the indicator on the door switch ass y is on 5 Press the test switch to check that the CO gas is released into the freezer chamber Stop the operation immediately and contact your dealer or sales representative if there is something wrong with the back up system during the trial operation and it is still existing after careful check of the procedure N WARNING Check the gas piping before trial operation to avoid gas leakage Attach the back up unit cover before starting the trial operation The operation without the cover may cause electric shock N CAUTION Stop the operation i
47. ving the heavy frost Note For removing the frost do not use a tool with sharp edge such as a knife or a screw driver 1 Move all the contents in the chamber to another low temperature freezer or a tank refrigerated with liquid Nz or CO gas or dry ice 2 Turn off the remote alarm switch and back up switch when installed 3 Disconnect the power cord from the dedicated outlet 4 Open the freezer door and remove the inner lid Keep the freezer as it is until the frost is removed completely 5 Wipe out the water that has left in the chamber 6 Start up the freezer by following the procedure on page 13 Start up the unit 7 Once the chamber temperature has dropped to the desired temperature place the original contents back in the freezer chamber ROUTINE MAINTENANCE Battery The battery for power failure alarm is an article for consumption The battery life is approximately 3 years The buzzer can not be activated at the power failure and the stored items may be influenced if the battery is left as it is for more than 3 years It is recommended that the battery is replaced ahead of time For the replacement of the battery contact Sanyo sales representative or agent 55 REPLACEMENT OF BATTERY 23 Location of a nickel metal hydride battery This unit is provided a nickel metal hydride battery for the power failure warning device The battery is located at the back of the control panel Fig 1 T
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