Sanyo MBR-304DR Refrigerator User Manual
Contents
1. Heater OFF If the alarm sensor senses a Compressor ON temperature approximately lt 2 C Heater OFF When the power to the unit is Power failure alarm disconnected or power switch is Alarm lamp flashes Intermittent tone Remote alarm turned off Intermittent tone Door alarm When the door is ajar or open Door check lamp is lit with 2 minutes delay fanorewn Im Auto return i each setting mode for 90 seconds displayed mode If the temperature sensor of upper Alarm lamp flashes monitor bottle is disconnected or E1 and monitor bottle temp Intermittent tone Remote alarm short circuited are displayed alternately If the temperature sensor of lower Alarm lamp flashes monitor bottle is disconnected or E2 and monitor bottle temp Intermittent tone Remote alarm Thermal sensor short circuited are displayed alternately abnormality Alarm lamp flashes E3 and monitor bottle temp Intermittent tone Remote alarm are displayed alternately Alarm lamp flashes E4 and monitor bottle temp Intermittent tone Remote alarm are displayed alternately If the defrost sensor is disconnected or short circuited If the over temperature sensor 1 disconnected or short circuited Note The remote alarm is silenced by pressing the buzzer stop key BUZZER as the remote alarm is operated in conjunction with the buzzer except for the power failure alarm All alarm functions will auto reset The buzzer and remote2. To silence the audible alarm press this key 2 Temperature display key UPPER LOWER By pressing this key the displayed temperature is changed upper monitor bottle temperature lower monitor bottle temperature and average temperature of upper and lower monitor bottles are displayed in sequence 3 Alarm test key ALARM TEST To check the operation of alarm buzzer lamp and remote alarm terminal 4 Calibration key CAL To calibrate the temperature This key is used only when the temperature calibration is necessary 5 Digit shift key pp Pressing this key in the CAL mode will cause the changeable digit to shift 6 Numerical value shift key 4 Pressing this key in the CAL mode will cause the numerical value to change 7 Door check lamp DOOR This lamp is lit when the door is ajar or open 8 Alarm lamp ALARM This lamp blinks during an alarm condition temperature alarm or power failure alarm 9 10 Temperature display monitor lamp UPPER LOWER Lamp 9 is lit when upper monitor bottle temperature is displayed Lamp 10 is lit when lower monitor bottle temperature is displayed Both 9 and 10 are lit when the average temperature of lower and upper monitor bottle temperature is displayed 11 Digital temperature indicator This indicator shows the current chamber temperature INSTALLATION Installation site To operate this unit properly and to obtain maximum performance install the unit in a location with
3. Upper temperature display key temperature O LOWER Press the temperature Lower monitor bottle UPPER i i Lower temperature display key temperature e LOWER Press the temperature Average monitor bottle UPPER j 4 Average temperature display key temperature LOWER 5 Repeattromstep2 o Note The displayed temperature represents the temperature sensed by a thermal sensor attached to the monitor bottle mounted to the upper and lower portion of the chamber The displayed temperature may not always be at 4 C Because the chamber probes are representative of high and low average temperatures within the chamber Defrost cycles There is no need for routine defrosting of the unit as this occurs automatically as follows 1 Cycle defrost To keep the chamber temperature stable the refrigeration compressor is cycled on and off During off period any frost which has accumulated on the evaporator is melted by energizing a defrost heater This will not have any discernible effect on the chamber temperature 2 Forced defrost When the ambient humidity is high or a large amount of damp product is being stored inside the chamber there is a possibility that cycle defrost may not be enough to remove all of the frost on the evaporator In this case a forced defrost cycle can be initiated When the unit is operating under a forced defrost cycle the current chamber temperature and dF is displayed alternately on the digital temp
4. a humid place or a place where it is likely to be splashed by water Deterioration of the insulation may result which could cause current leakage or electric shock A location without flammable or corrosive gas WARNING Never install the unit in a flammable 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 11 INSTALLATION 1 Remove 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 Leveling foot 2 Adjust the leveling foot Extend the leveling feet by rotating them as shown in the figure until they make contact with 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 by attaching a rope or chain between the wall and the fixtures 4 Install the filter Install the condenser filter at the front bottom of the cabinet Fig 2 4 Ground earth WARNING Use a power
5. place items on the floor of the chamber e Always close the door firmly The door check lamp is lit when the door is open The alarm buzzer sounds two minutes after door opening The buzzer can be cancelled automatically when the door is closed e Always open and close the door gently Rough handling of the unit may lead to stocked items tipping over incomplete closing of the door or damage to the door gasket e Do not put any articles on the unit Blocking of the top will decrease the heat discharge which can cause poor cooling and failure of the unit ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions based on the IEC 1010 1 1 2 3 4 Indoor use Altitude up to 2000 m Ambient temperature 5 C to 40 C Maximum relative humidity 80 for temperature up to 31 C decreasing linearly to 50 relative humidity at 40 C Mains supply voltage fluctuations not to exceed 10 of the nominal voltage Other supply voltage fluctuations as stated by the manufacturer 7 Transient overvoltages according to Installation Categories Overvoltage Categories Il For mains supply the minimum and normal category is II Pollution degree 2 in accordance with IEC 664 REFRIGERATOR COMPONENTS N FAL 19 20 18 BLOOD BANK REFRIGERATOR MBR 304G REFRIGERATOR COMPONENTS 1 Door switch To detect
6. replace Socket the water proof rubber 7 Fix the light with the stoppers Water proof rubber I ANN Fig 2 20 ROUTINE MAINTENANCE A glow starter is located upper right side of the cabinet 1 Disconnect the power supply plug 2 Remove the glow starter and replace with a new one Glow starter 3 Replace the water proof rubber Cleaning of condenser filter This unit is provided with the condenser filter at the bottom of the cabinet Clean the filter once a month even since a clogged filter may cause shorter compressor life as well as the poor cooling Clean the filter by the procedure below 1 Turn off the power switch 2 Take out the condenser filter as shown in the figure 3 Wash the filter with water and dry it naturally 4 Replace the filter DISPOSAL OF UNIT WARNING If the unit is to be stored unused 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 This product has an electric battery Please recycle it for effective utilization of resources and protection of our environment Thank you for your cooperation Label indication is obliged to comply with Taiwanese battery regulation iq G9 LOI LOI LI LI LI 21 TROU
7. the door status open close 2 Battery switch ON OFF switch for built in battery for power failure alarm Always turn on this switch when the refrigerator is operated Turn off this switch when the refrigerator is not used for long period to protect the battery 3 Power switch Main switch of the unit 4 Glow starter For a fluorescent lamp It is recommended to replace the glow starter at the time of replacement of fluorescent lamp Refer to page 21 for the replacement 5 Control panel Panel can be opened when upper right corner of the lower part cover is pushed The running status is displayed on this panel and temperature setting is accomplished through this panel Refer to page 10 for details 6 Light switch This switch is used for turning the fluorescent lamp off and on 7 Glass window The window may have condensation in high humidity environment Wipe off the condensation with a soft dry cloth 8 Handle Always hold the handle when opening closing the door 9 Lock Turn the key counterclockwise through 180 to securely lock the door 10 Fluorescent lamp 15 W lamp Normally turn off the lamp See page 20 for the replacement 11 Monitor bottle for temperature sensor 2 locations The bottles has a sensor to display the chamber temperature Fill the bottle with 200ml of 10 glycerol or water before commencing the operation Refer to page 13 for filling the monitor bottle 12 Access port This port allows temperature measure
8. to corrosion Use dedicated power source as indicated on the rating label attached to the unit Ensure that suitable fuse of adequate amperage is used to allow for compressor start up Remove dust from the power supply plug before inserting in a power source A dusty plug or improper insertion may pose a hazard 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 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 Do not insert metal objects such as a pin or a wire into any vent gap or any outlet for inner air circulation This may cause electric shock or injury by accidental contact with moving parts S Never store volatile or flammable substances in this unit This may cause explosion or fire Q Never store corrosive substances in this unit This may lead to damage to the inner components or electric parts If this unit is to be used for storing poisons radioactive material or other harmful products ensure that it is in a safe area Failure to do so may lead to an adverse effect on the health of 9 personnel in the area and the local environment In this case a request for repair or maintenance will necessitate a safety check sheet for maintenance personnel PRECAUTIONS FOR SAFE OPERA
9. BLESHOOTING If the unit malfunctions check out the following before calling for service If nothing operates even when switched on e The power is failed The circuit breaker is inactivated e The unit is not connected to the power supply The alarm device is activated e The temperature in the unit does not match the set value On start up The door was kept opened for a long time e The high temperature materials load were put in the unit In these cases the alarm is removed automatically by running the unit for several hours When the unit does not get cold enough A large amount of items or warm products was put in the unit The air exhaust vent is blocked up with containers e The unit is in direct sunlight The door is frequently opened A heat source is nearby the unit e The ambient temperature is too high The door is not securely closed e The heat source is put in the unit The door seal is damaged or foreign substance is inserted between door gasket 22 SPECIFICATIONS Rigid polyurethane foamed in place Hard steel wire on polyethylene coating er 5 PCs ii 5 pcs Left side Inner diameter 30 mm 1 set of key 6 VDC 1100 mAh Ni MH Note The contents of this manual are subject to change without notice PERFORMANCE Monitor bottle temperature 4 C 1 C Usable ambient temp 5 to 35 C Power failure alarm 24 hours when the battery is full charg
10. SANYO INSTRUCTION MANUAL MBR 304DR MBR 304GR MBR 304D MBR 304G Blood Bank Refrigerator i V MBR 304G Note 1 No part of this manual may be reproduced in any form without the 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 CONTENTS PRECAUTIONS FOR SAFE OPERATION P 2 CAUTIONS FOR USAGE P 6 ENVIRONMENTAL CONDITIONS P 7 REFRIGERATOR COMPONENTS P 8 INSTALLATION P 11 BEFORE COMMENCING OPERATION P 13 START UP OF UNIT P 15 OPERATING INSTRUCTIONS P 16 ALARMS amp SAFETY FUNCTIONS 19 ROUTINE MAINTENANCE P 20 DISPOSAL OF UNIT 21 TROUBLESHOOTING P 22 SPECIFICATIONS P 23 PERFORMANCE P 23 SAFETY CHECK SHEET P 24 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 lf 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 sig
11. TION WARNING Disconnect the power supply the unit prior to any repair or maintenance of the unit 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 D Never splash water directly onto the unit as this may cause electric shock or short circuit Never disassemble repair or modify the unit yourself Any such work carried out by an unauthorized person may result in fire or injury due to a malfunction Disconnect the power supply plug before replacement of the florescent light to prevent electric shock 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 unsupervised area for an extended period ensure that children do not have access and that doors cannot be closed completely The disposal of the unit should be undertaken by appropriate personnel Remove door to prevent accidents such as suffocation safety check sheet when you request any repair maintenance for the safety service personnel Do not pull out more than 2 drawers at the same time MBR 304DR MBR 304GR when storing or taking out of the stocked material This may cause injury by falling or tipping of the unit if something heavy items are stored CA
12. UTION 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 Never install the unit in a place where the possibility exists that an object may fall on it There are cooling circuits and electric components in the upper part of this unit Current leakage or electric shock may be caused if an object falls on it PRECAUTIONS FOR SAFE OPERATION CAUTION Connect the unit to a power source as indicated the rating label attached the unit Use of any other voltage or frequency other than that on the rating label may cause fire or electric shock Fix the shelves securely MBR 304D MBR 304G Incomplete installation may cause injury or damage When removing the plug from the power supply outlet grip the power supply plug not the Pulling the cord may result in electric shock or fire by short circuit Never damage or break the power supply plug or cord Do not use the supply plug if its cord is loose This may cause fire or electric shock S Do not touch any electrical parts such as the power supply plug or any switches with a wet hand This may cause electric shock Do not put a container with water or heavy articles on the unit Injury may be caused if the articles fall Current leakage or electric shock may result from the introduction of spilled water into electrical comp
13. contacts will re activate if the condition which caused the alarm is not corrected within 30 minutes Alarm conditions will remain active for about 24 hours on a fully charged back up battery in the event of a power failure Two days operation is required to fully charge the battery after initial start up if the power has been off for an extended period The remote alarm contacts will remain active even if the battery is discharged Alarm test procedure The alarm function can be checked by the following procedure 1 Press alarm test ALARM TEST key 2 The audible and visual alarm indicators activate along with the remote alarm The alarm condition remains active for 30 seconds and then terminates automatically The audible alarm buzzer cannot be silenced by pressing the buzzer stop key BUZZER 3 Otherwise the alarm test can be terminated manually at any time during the rest by pressing the ALARM TEST key again 19 ROUTINE MAINTENANCE WARNING Always disconnect the power supply to the unit prior to 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 Clean the unit once a month Regular cleaning keeps the unit looking new e Use a dry cloth to wipe off small amounts of dirt on the outside and inside of the unit and all acc
14. ed Power source 110V 115V 220V 220 V 230 V 240 220 240V 60Hz 60Hz 50Hz 60Hz 50Hz 50Hz 50Hz Rated power consumption 220W 220W 220W 220W 220W 220W 220W 11 dB A background noise 20 dB 1275 kPa Note The unit with CE mark complies with EC directives 89 336 EEC 93 68 EEC and 73 23 EEC 23 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 Refrigerator contents HYes No Risk of infection Yes Risk of toxicity Yes LINo Risk from radioactive sources Yes List all potentially hazardous materials that have been stored in this unit Notes 2 Contamination of the unit Unit interior Yes contamination Yes Decontaminated Yes LINo Contaminated Yes Others 3 Instructions for safe repair maintenance of the unit a The unit is safe to work on Yes DINO b There is some danger see below Yes 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 Blood Bank Refrigerator MBR Please decontaminate the unit yourself before calling the service engineer 24 sanyo SANYO Electric Biomedical Co Ltd 9 Sept 2004 10 15 Hongo 3 Chome Recycled paper CEM Bunkyoku Tokyo 113 8434 Japan Printed in Japan
15. erature display Once the forced defrost cycle is completed normal operation resumes The temperature of blood bag 400mL in the chamber rises by approximately 1 to 2 C during the defrosting OPERATING INSTRUCTIONS Calibration of temperature sensor The temperature sensors are attached to the monitor bottles Follow the instructions below for proper calibration of temperature sensor Recorder sensor 1 Remove the monitor bottle cover as shown in lower bottle of MBR 304G and MBR 304GR Temp sensor the figure 2 Remove the sensor to be calibrated from the monitor bottle Please note that MBR 304G and MBR 304GR also has a sensor for the temperature recorder in the left side of the lower monitor bottle 3 Prepare a bottle or beaker with a solution of crushed ice and cold water Agitate the mixture thoroughly 4 Put the sensor to be calibrated in the mixture 5 Select the temperature display by pressing temperature display key to show the proper temperature While continuously agitating the ice water mixture monitor the temperature indicated Fixing screw on the display of the sensor to be calibrated 6 Wait for the temperature on the display to stabilize If the display is not 0 C calibrate using the following procedure Ifthe display does indicate 0 C proceed to step 7 6 1 Press the CAL key for approximately 5 seconds until COO is displayed 6 2 Enter the code of the probe to be calibrated using the numerical value
16. essories If some of them are dirty use a cloth containing diluted neutral dishwashing detergent Undiluted detergent may break the plastic parts For the dilution follow the instruction enclosed with the detergent When a diluted neutral dishwashing detergent is used wipe the cabinet or accessories thoroughly with a cloth soaked in clean water Then wipe the cabinet or accessories unit with a dry cloth to eliminate the moisture e Never pour water onto or into the unit Doing so can damage the electrical insulation and may cause electric shock or short circuit e The compressor and other mechanical part are completely sealed This unit requires absolutely no lubrication Remove dust from the power supply plug periodically A dusty plug or improper insertion may pose a hazard Replacement of fluorescent lamp The fluorescent lamp is placed horizontally in the upper front of the chamber Follow the procedure below to replace the lamp ws 1 Turn off the fluorescent light switch and disconnect the power supply plug 2 Hold the cover of the light and pull downward with lead wire to remove the lamp from stopper Fig 1 3 Remove the water proof rubber on the Fig 2 u Fig 1 4 Remove the socket on the left Fig 2 5 Take out the fluorescent lamp gently from the protective cover 6 After placing a new fluorescent lamp in the protective cover replace the socket and then
17. ment cables or sensors to enter the chamber from outside 13 Shelf MBR 304D MBR 304G Drawer MBR 304DR MBR 304GR Items to be stored in the chamber must be placed on the shelves or drawers The maximum storage weight for each shelf or drawer is 20 kg Do not put stored items directly onto the interior floor of the chamber 14 Condensation tray The condensation on the door is accumulated in this tray Wipe off the water occasionally 15 Caster Used when moving the unit When installing the unit the castors can be raised from the ground by using the leveling feet 16 Leveling foot Adjust the height of the leveling foot to install the refrigerator in level See page 12 for details 17 Automatic temperature recorder For details see the instruction manual of the recorder enclosed with the unit 18 Air exhaust vent Do not block this vent Care should be taken not to expose the stored items to direct cooled air 19 Inner door Made of acrylic resin For cleaning use the diluted neutral dishwashing detergent 20 Air intake vent Do not block this vent If this vent is blocked temperature regulation will become unstable Do not insert fingers or any substances into the vent because the circulating fan is running inside the vent 21 Door latch By turning the latch downward the door is locked A padlock can be provided separately REFRIGERATOR COMPONENTS 7 8 9 10 11 TEMPERATURE 1 Alarm buzzer stop key BUZZER
18. ns could result in injury to personnel and damage to the unit and associated property Symbol shows this symbol means 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 AN enclosed to prevent the electric shock The cover should be removed by a qualified engineer or a service personnel only PRECAUTIONS FOR SAFE OPERATION WARNING Q 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 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 insulation may result which could cause current leakage or electric shock S Never install the unit in a flammable 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
19. onents D Do not climb onto the unit This may cause damage to the unit and cause it to tip over D Hold the handle when closing the door This will reduce the likelihood of a trapped finger D Do not lean on the door This may cause injury if the unit tips over S Never place your hand on the glass or use excessive force on the glass Intentional force may break the glass resulting in injury from the broken glass Do not touch the condenser directly when the filter is removed for cleaning This may cause injury due to hot surface 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 fire Dispose of any water the evaporation tray completely before moving the unit Spilled or splashed water may cause current leakage or electric shock Be careful not to tip the unit over during movement to prevent damage or injury Disconnect the power plug when the unit is not used for long periods Do not put the packing plastic bag used in the packaging within reach of children as suffocation may result CAUTIONS FOR USAGE If the unit is unplugged or the power to the unit is interrupted do not restart the unit for at least 5 minutes This protects the compressor This inner cabinet is refrigerated by the forced circulation of cooled air inside the chamber Ensure that the intake and exhaust vents are not blocked Adequate space should be
20. provided between the items inside the unit to allow air circulation e Never store corrosive materials such as acid or alkali where the container is not completely sealed This could possibly lead to corrosion of the evaporator resulting in refrigerant leakage and subsequent loss of cooling ability e Once the chamber temperature has stabilized put the items into the chamber in small batches to minimize the temperature increase In the case where condensation forms on the front of the glass due to high ambient humidity wipe it off with a soft and dry cloth e For the cleaning of the unit use a cloth containing diluted neutral dishwashing detergent Undiluted detergent may break the plastic parts For the dilution follow the instruction enclosed with the detergent When a diluted neutral dishwashing detergent is used to clean the unit wipe the unit thoroughly with a cloth soaked in clean water Then wipe the unit with a dry cloth to eliminate the moisture e Do not clean the unit with scrubbing brushes acid thinner solvents powdered soap cleanser or hot water These agents can scratch the paint or cause it to peel Plastic and rubber parts can be easily damaged by these materials Especially never use any volatile solvent to clean the plastic or rubber parts e Fix the shelves securely MBR 304D MBR 304G Place items on the shelves and leave a space between the walls of the cabinet and the contents to allow air circulation Do not
21. s abnormal when the power supply cord is disconnected Terminal from the outlet or the power switch is turned off or in the event of power failure The remote alarm is in conjunction with the alarm buzzer the alarm can be silenced by pressing the alarm buzzer stop key BUZZER except for in the case of power failure START UP OF UNIT Follow the procedures for the initial and consequent operations of the unit 1 Connect the power cord to the dedicated outlet with appropriate rating 2 On start up the alarm buzzer sometimes operates this case stop the buzzer by pressing the buzzer stop key BUZZER The alarm will operate until the temperature monitor bottle sensor goes into the range of 4 2 C 3 Ensure that both monitor bottles have been filled with 10 glycerol or water as outlined on page 13 4 The unit has been factory preset to operate at 4 C 1 C There is no need to set the temperature 5 It takes several hours to stabilize the chamber temperature at the set temperature Once the unit has stabilized ensure the monitor bottle temperature corresponds with the set temperature 6 Turn on the fluorescent light switch to check the light After checking turn off the switch if the lighting is not necessary 7 Once the unit operation has been thoroughly checked begin slowly placing items into the chamber to minimize the temperature rise Operation after power failure The refrigerator resumes the operation
22. shift key Upper chamber temperature sensor code is C01 Lower chamber temperature sensor code is C02 6 3 Press the CAL key This makes temperature display 0 C This key operation is canceled with the buzzer if the sensor temperature deviates over 1 5 C In this case consult with Sanyo dealer or service personnel 6 4 The digital display will revert back to current chamber temperature The calibration that was entered in the previous step should now have an effect on the temperature display The digital display should now show indicate 0 0 0 2 C if not repeat step 6 7 Take the sensor out of the ice water solution and wipe with a soft cloth 8 Attach the sensor back into the monitor bottle by reversing the procedure in step 1 and 2 For the span adjustment contact your service personnel ALARMS amp SAFETY FUNCTIONS This unit has the alarms and safety functions shown in Table 2 and also self diagnostic functions Table 2 Alarms and safety functions Alarm amp Safety Safety operation ee eg en Alarm lamp flashes Intermittent tone Remote alarm alarm senses a temperature 6C ewiemperalufe Pepper awer Delle Alarm lamp flashes Intermittent tone Remote alarm alarm senses atemperature 2 C Protection of If the high temperature thermostat excessive high sensor senses a temperature temperature approximately gt 10 C Protection of excessive low temperature Compressor ON
23. 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 12 BEFORE COMMENCING OPERATION Preparation of monitor bottle Prior to the operation of the unit fill the monitor Recorder sensor bottles upper and lower with 10 glycerol or lower bottle of MBR 304G and MBR 304GR Temp sensor water using the following procedure 1 Remove the top and bottom drawer or shelf 2 Remove the monitor bottle cover as shown in the figure 1 3 Take out the sensor from the monitor bottle 4 Remove the fixing screw and take out the monitor bottle 5 Remove the cap by loosing it as shown in the Fixing screw figure 2 6 Pour 200ml of 10 glycerol or water into the monitor bottle Loosen 7 Cap the monitor bottle and replace the bottle to its original position Then set the sensor to the bottle and replace the cover on the bottle BEFORE COMMENCING OPERATION The terminal for remote alarm is installed inside the rear cover of the unit The alarm is outputted from this terminal The contact rating is DC 30V 2A Contact output At normal condition Open At abnormal condition Close Note The contact is Close because it is regarded a
24. the following conditions A location not subjected to direct sunlight Installation in a location subjected to direct sunlight may lead to inadequate cooling A location with adequate ventilation Leave at least 10 cm around the unit for ventilation Poor ventilation will result in a reduction of the refrigeration capacity A location away from heat generating sources Avoid installing the unit near heat emitting appliances such as gas ranges or stoves Heat can cause inefficient refrigeration A location with a sturdy and level floor 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 location where objects will not fall on the unit CAUTION Never install the unit a place where the possibility exists that an object may fall on it There are cooling circuits and electric components in the upper part of this unit Current leakage or electric shock may be caused if an object falls on it A location not prone to high humidity N WARNING Do not use the unit outdoors Current leakage or electric shock may result if the unit is exposed to rain water Never install the unit in
25. with temperature setting of 4 C after power failure 15 OPERATING INSTRUCTIONS Do not disturb the air circulation in the chamber by the stored items The disturbed air circulation can cause the freezing of stored items or degrade of temperature distribution in the chamber Air intake vent Do not block the air intake by the stored items near the air intake vent Take should be taken not to put any paper or plastic chips near the vent They may be vacuumed up and block the vent Air exhaust vent Do not block the air exhaust by the stored item near the air exhaust vent The stored item may be frozen if they put nearby the air exhaust vent Load line The stock area is limited to ensure the air flow inthe chamber The labels load line are attached to the right and left side of the chamber Always put the items within the specified area Note Do not stock any corrosive materials when the container is not sealed completely Such material causes corrosion of inner components or evaporator OPERATING INSTRUCTIONS The unit is set at the factory to obtain the proper temperature automatically 4 C 1 C There is no need to set the temperature Table 1 Temperature display Lamp ON OFF Operation Key operated Display Display mode Plug in the power i Average monitor bottle UPPER supply cord and turn on Average temperature i temperature e LOWER the power switch Press the temperature Upper monitor bottle e UPPER i i
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