Sanyo MDF-594C Instruction Manual

Ultra-low temperature freezer
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Ultra-Low Temperature Freezer



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  Summary of Contents for Sanyo MDF-594C

  • Page 1 INSTRUCTION MANUAL MDF-594C MDF-793C Ultra-Low Temperature Freezer MDF-594C...
  • Page 2: Table Of Contents

  • Page 3: Introduction

    Contact Sanyo sales representative or agent if any page of the manual is lost or page order is incorrect. Contact Sanyo sales representative or agent if any point in this manual is unclear or if there are any inaccuracies.
  • 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 and take an adequate precaution to prevent the unit from turning over.
  • 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 put containers with liquid on the unit as this may cause electric shock or short circuit when the liquid is spilled.
  • Page 7 PRECAUTIONS FOR SAFE OPERATION CAUTION 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. A dusty plug or improper insertion may cause a heat or ignition.
  • Page 8: Environmental Conditions

    ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions (based on the IEC-1010-1): Indoor use; Altitude up to 2000 m; Ambient temperature 5 C to 40 Maximum relative humidity 80% for temperature up to 31 C decreasing linearly to 50% relative humidity at 40 Mains supply voltage fluctuations not to exceed...
  • Page 9: Freezer Components

  • Page 10 FREEZER COMPONENTS 1. Lock 2. Door: Hinged type. The door can be opened in any angle on the way to full open. 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 before it is accumulated too much.
  • Page 11: Control Panel

    FREEZER COMPONENTS Control panel 10 9 1. Power switch (POWER): Power all functions except remote alarm and back-up system (Option). 2. Battery switch: It is the switch of the battery for the power failure alarm. Turn it on usually. Turn it off when you do not drive for a long time.
  • Page 12: Installation Site

    INSTALLATION SITE To operate this unit properly and to obtain maximum performance, install the unit in a location with the following conditions: A location not subjected to direct sunlight Do not install the unit under direct sunlight. Installation in a location subjected to direct sunlight cannot obtain the intended performance.
  • Page 13: Installation

    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.
  • Page 14: Start-Up Of Unit

    START-UP OF UNIT Follow the procedures for the initial and consequent operations of the unit. 1. Make sure that all the switches on the control panel, such as the power switch, the battery switch, the back-up system switch (option) are off. 2.
  • Page 15: Chamber Temperature Setting

    CHAMBER TEMPERATURE SETTING Table 1 shows the basic operation method. Perform key operations in the sequence indicated in the table. The example in the table is based on the assumption that the temperature is -70 Note: The unit is set at the factory that the chamber temperature is -80 Table 1.
  • Page 16: Alarm Temperature Setting

    ALARM TEMPERATURE SETTING This unit is provided with the high temperature alarm. The setting of high temperature alarm is 10 C or C higher than the setting of chamber temperature. The procedure in table 2 shows the sequence to set the high temperature alarm at 15 C higher than the setting of chamber temperature.
  • Page 17: Setting Of Alarm Resume Time

    SETTING OF ALARM RESUME TIME The alarm buzzer is silenced by pressing alarm buzzer stop key (BUZZER) on the control panel during alarm. 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 3 below. The example in the table is based on the assumption that the desired duration is 20 minutes.
  • Page 18: Alarms & Safety Functions Table

    ALARMS & SAFETY FUNCTIONS Table 4. Alarm and safety function Alarm & safety Situation Indication Buzzer Safety operation When the condenser filter Intermittent Filter check Filter check lamp blinks. ----- is clogged. Tone. When there is no key Chamber temp. is Finishing of each Auto-return pressing in each setting...
  • Page 19: 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 20: Replacement Of Battery

    REPLACEMENT OF BATTERY Location of a nickel-cadmium battery This unit is provided a nickel-cadmium battery for the power failure alarm. The battery is located in the control box behind the control panel.(Fig. 1) The high voltage components are enclosed in the control box. The cover should be removed by a qualified engineer or a service personnel only to prevent the electric shock..
  • Page 21: Troubleshooting

    Inquire at liquid CO suppliers about cylinder check, adjustment, installation, or move. Note: 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.
  • Page 22: Disposal Of Unit

    DISPOSAL OF UNIT 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.
  • Page 23 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.
  • Page 24 DISPOSAL OF UNIT (French) Votre produit Sanyo est conçu et fabriqué avec des matèriels et des composants de qualité supérieure qui peuvent être recyclés et réutilisés. Ce symbole signifie que les équipements électriques et électroniques en fin de vie doivent être éliminés séparément des ordures ménagères.
  • Page 25 Por favor, ajude-nos a conservar o ambiente em que vivemos! (Italian) Il vostro prodotto SANYO è stato costruito da materiali e componenti di alta qualità, che sono riutilizzabili o riciclabili. Prodotti elettrici ed elettronici portando questo simbolo alla fine dell’uso devono essere smaltiti separatamente dai rifiuti casalinghi.
  • Page 26 Alstublieft help allen mee om het milieu te beschermen. (Swedish) Din SANYO produkt är designad och tillverkad av material och komponenter med hög kvalitet som kan återvinnas och återanvändas. Denna symbol betyder att elektriska och elektroniska produkter, efter slutanvändande, skall sorteras och lämnas separat från Ditt hushållsavfall.
  • Page 27: Temperature Recorder (Option)

    TEMPERATURE RECORDER (Option) The figure below shows the description of a temperature recorder. Warning indicator Time Temperature Recording indicator Pen holder lever Door Cartridge Feeding of chart 1. Open the door and let down the lever of the penholder; the pen point is apart from the chart. (Fig. 1) 2.
  • Page 28 The battery for back-up system is discharged when the back-up switch is kept on. The additional felt pen or recording paper is available from Sanyo sales agency. To stop the temperature recorder, remove the cell from the recorder. The back-up system can operate without recorder cell.
  • Page 29 TEMPERATURE RECORDER (Option) When a 7-day circular type recorder is installed, a slip chart recorder can not be attached. Follow the procedure bellow to attach a 7-day circular chart recorder to the freezer. NOTE: Only a specified recorder is applicable to the freezer. For the selection of an applicable recorder, please consult with a sales representative or agent.
  • Page 30 TEMPERATURE RECORDER (Option) 8. Remove the sensor cover at the rear of the chamber wall. (Fig. 4) Fig. 4 9. Pass through the hole under the temperature control sensor. (Fig. 5) Tool for the hole: Screw driver (example) Hole depth: 135mm (5.3inch) Hole diameter: 13mm (0.5inch) 10.
  • Page 31: Back-Up System (Option)

    CO gas cylinder to the joint of the back-up system. For this setting, Battery consult with a qualified gas supplier or Sanyo sales agency. 2. After setting the liquid CO gas cylinder, operate the freezer until the chamber temperature reaches...
  • Page 32: 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 representative or agent at the time of replacement of the battery for recycling.
  • Page 33: 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: Serial number: Date of installation: MDF-594C Ultra-low temperature reezer Please decontaminate the unit yourself before calling the service engineer.
  • Page 34 JK1035-150B...