Sanyo MDF-U32V Instruction Manual

Sanyo MDF-U32V Instruction Manual

Ultra-low temperature freezer
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INSTRUCTION MANUAL
MDF-U32V
Ultra-Low Temperature Freezer

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Table of Contents
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Summary of Contents for Sanyo MDF-U32V

  • Page 1 INSTRUCTION MANUAL MDF-U32V Ultra-Low Temperature Freezer...
  • Page 2 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.
  • Page 3: Table Of Contents

    Key lock function Alarm temperature setting ALARMS & SAFETY FUNCTIONS SETTING OF ALARM RESUME TIME REMOTE ALARM TERMINAL MONITOR OF FREEZER STATUS CHANGE OF COMPRESSOR DELAY TIME ROUTINE MAINTENANCE Cleaning of cabinet Cleaning of condenser filter Defrosting of inside wall...
  • Page 4: Precautions For Safe Operation

    PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with this manual as it contains important safety advice. Items 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.
  • Page 5 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.
  • Page 6 PRECAUTIONS FOR SAFE OPERATION WARNING 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. Never splash water directly onto the unit as this may cause electric shock or short circuit. Never disassemble, repair, or modify the unit yourself.
  • Page 7 PRECAUTIONS FOR SAFE OPERATION CAUTION 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. Do not put a container with water or heavy articles on the unit. It may cause injury if the articles fall.
  • Page 8: Cautions For Usage

    9. The frost will be built up on the chamber wall and inner door during operation. Use a scraper provided with the freezer or equivalent tool to remove the frost. The inner door is hard to be opened when a large amount of frost is built up on it.
  • Page 9: Environmental Conditions

    ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions (based on the IEC-1010-1): 1. Indoor use; 2. Altitude up to 2000 m; 3. Ambient temperature 5 C to 40 4. Maximum relative humidity 80% for temperature up to 31 C decreasing linearly to 50% relative humidity at 40 5.
  • Page 10: Parts List

    FREEZER COMPONENTS 15(inside) 5(inside)...
  • Page 11 9. Caster: 4 casters are provided to facilitate moving of the cabinet. For the installation, adjust the leveling foot so that the front 2 casters cannot contact with the floor. 10. Leveling foot: The height of the freezer can be adjusted by this screw type foot. Keep the unit in level at the installation.
  • Page 12: Control Panel And Keypad

    12. Status key (STATUS): By pressing this key in the event of the status monitor lamp ON, the status code is displayed on the temperature indicator. This key is not effective when the freezer is running normally. See page 22 for details.
  • Page 13: Installation Site

    INSTALLATION Installation site To operate this unit properly and to obtain maximum performance, install the unit in a location with the following conditions: 1. A location not subjected to direct sunlight Installation in a location subjected to direct sunlight may lead to inadequate cooling. 2.
  • Page 14 INSTALLATION 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.
  • Page 15: Optional Components

    OPTIONAL COMPONENTS Temperature recorder An automatic temperature recorders is available for this freezer as the optional component. The type of the recorder is MTR-G85. Following shows the attachment procedure. 1. Remove four screws on the front panel and take it off.
  • Page 16: Back-Up System

    These may include atmosphere monitoring and warning devices. This freezer can be provided with a back-up system (CVK-UB2) which is available as an optional component. For the installation, refer to the instruction manual enclosed with the system.
  • Page 17: Inventory Rack

    OPTIONAL COMPONENTS Inventory rack The optional inventory rack is useful to store the precious materials in the chamber effectively. When the rack is used, it is necessary to adjust the height of the shelves. Set the shelf support as shown in the figure below.
  • Page 18: Start-Up Of Unit

    8. Make sure that the alarm lamp lights and the buzzer sounds by pressing the alarm test key. 9. After confirming the above, you can put articles into the freezer chamber in a small batch to prevent the temperature rise.
  • Page 19: Temperature Setting

    TEMPERATURE SETTING Chamber temperature 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 Note: The unit is set at the factory that the chamber temperature -80 Table 1.
  • Page 20: Alarm Temperature Setting

    TEMPERATURE SETTING 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 alarm: activates at the temperature 5 Low temperature alarm: activates at the temperature 5 Note:...
  • Page 21: Alarms & Safety Functions

    In this case, the lamp is off automatically when the chamber temperature is getting lower. • The freezer resumes the operation after power failure with the temperature setting before power failure as the chamber temperature setting and alarm temperature setting are memorized in the volatile memory.
  • Page 22: Setting Of Alarm Resume Time

    050, or 060). The buzzer would not reset if the reset time is set in 000. • It is recommended to set the alarm resume time when the freezer is not under alarm condition. The setting during alarm condition is effective on the next alarm condition.
  • Page 23: Remote Alarm Terminal

    REMOTE ALARM TERMINAL The terminal of the remote alarm is installed at the lower left side of the unit. The alarm is outputted from this terminal. Contact capacity is DC 30V, 2 A. Contact output: between COM. and N.O. At normal At abnormal Note: The alarm is actuated when the power cord is disconnected from the outlet or the power switch is OFF.
  • Page 24: Monitor Of Freezer Status

    MONITOR OF FREEZER STATUS The freezer has a function to monitor the running status of the unit as shown in table 7 below. This is to notice the running status getting worse (not failure). 1. The STATUS lamp is lit when one of the running status shown in table 7 is detected.
  • Page 25: Change Of Compressor Delay Time

    The delay time of high and low stage side 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 that the delay time is changed to 4 minutes.
  • Page 26: Routine Maintenance

    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.
  • Page 27: Defrosting Of Inside Wall

    Note: For removing the frost, do not use a tool with sharp edge such as a knife or a screw driver. 1. Turn off the back-up system if applicable. 2. Take out and transfer all the contents to another freezer or a container which is refrigerated by liquid carbon dioxide or dry ice.
  • Page 28: Troubleshooting

    The alarm is activated only when the power switch is ON. 1. The nickel-metal-hydride battery has been discharged entirely. In this case, operate the freezer for about 3 hours and depress the alarm test key again. Entirely discharged cell requires about 2 days’...
  • Page 29 RECYCLE OF RECHARGEABLE BATTERY The unit contains a rechargeable battery. The battery is recyclable. At the end of it’s useful life, check with you local solid officials option or proper disposal. 1. 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 in the electrical box inside the cover on the lower left side.
  • Page 30: Specifications

    • 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 agency at the time of replacement of the battery for recycling. PERFORMANCE...
  • Page 31: Safety Check Sheet

    Procedure to be adhered to in order to reduce safety risk indicated in b) below. Date : Signature : Address, Division : Telephone : Product name: Model: MDF-U32V Ultra-low temperature reezer Please decontaminate the unit yourself before calling the service engineer. CAUTION Safety check sheet □Yes □No...
  • Page 32 SANYO Electric Biomedical Co., Ltd. 7FB6P10134200 5-5, Keihan-Hondori 2-Chome Recycled paper Moriguchi City, Osaka 570-8677 Japan Printed in Japan...

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