Phcbi MDF-U76V Operating Instructions Manual
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Phcbi MDF-U76V Operating Instructions Manual

Ultra-low temperature freezer
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Operating Instructions
Ultra-Low Temperature Freezer
MDF-U76V 
Please read the operating instructions carefully before using this product, and keep the operating
instructions for future use.
See page 39 for model number.
 

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Summary of Contents for Phcbi MDF-U76V

  • Page 1 Operating Instructions Ultra-Low Temperature Freezer MDF-U76V  Please read the operating instructions carefully before using this product, and keep the operating instructions for future use. See page 39 for model number.  ...

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION P. 2 PRECAUTIONS FOR SAFE OPERATION P. 3 ENVIRONMENTAL CONDITIONS P. 7 FREEZER COMPONENTS P. 8 Control panel P.10 REMOTE ALARM TERMINAL P. 11 AIR INTAKE PORT P. 11 INSTALLATION SITE P. 12 INSTALLATION P. 13 START-UP OF UNIT P.

  • Page 4: Introduction

    INTRODUCTION Read the operating instructions carefully before using the appliance and follow the instructions for safety operation. PHC Corporation never guarantees any safety if the appliance is used for any objects other than intended use or used by any procedures other than those mentioned in the operating instructions. Keep the operating instructions in an adequate place to refer to it as necessary.

  • Page 5: Precautions For Safe Operation

    PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with the operating instructions 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 6 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 7 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 8 PRECAUTIONS FOR SAFE OPERATION CAUTION This unit must be plugged into a dedicated circuit protected by branch circuit breaker. Use a dedicated power source as indicated on the rating label attached to the unit. A multiple-tap may cause fire resulting from abnormal heating. Connect the power supply plug to the power source firmly after removing the dust on the plug.

  • Page 9: Environmental Conditions

    ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions (based on the IEC 61010-1): 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 up to ±10 % of the nominal voltage;...

  • Page 10: Freezer Components

    FREEZER COMPONENTS Shelf 11(inside) Power supply cord Rear side...
  • Page 11 FREEZER COMPONENTS 1. Control panel (on the upper front of the outer door): The current chamber temperature or set temperature is displayed. See page 10 for details. 2. Outer door: To open the door, grip the handle. When closing, lock the outer door latch completely. 3.

  • Page 12: Control Panel

    FREEZER COMPONENTS Control panel TEMPERATURE( BATTERY FILTER STATUS ALARM DOOR ALARM BUZZER STATUS TEST 1. Digital temperature indicator: This indicator shows the present chamber temperature or set temperature. And an error code and a chamber temperature are displayed alternately when the self diagnostic function detects any abnormality.

  • Page 13: 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 30 V, 2 A. Contact output: between COM. and N.O. between COM.

  • Page 14: 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 15: 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 16: Start-Up Of Unit

    START-UP OF UNIT Use the following procedure to start trial operation or actual operation of the unit. 1. Turn off the switch of the backup cooling kit (optional component) if it is installed. 2. Connect the power supply cord to the dedicated outlet having appropriate rating with the chamber empty, and turn on the power switch on the freezer.

  • Page 17: Chamber Temperature Setting

    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 Note: The chamber temperature is set to -80 C at the factory.

  • Page 18: Alarm 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 C higher than the set temperature Low temperature alarm: activates at the temperature 5 C lower than the set temperature...

  • Page 19: Setting Of Alarm Resume Time

    SETTING OF ALARM RESUME TIME The buzzer is silenced by pressing buzzer stop key (BUZZER) on the control panel during alarm condition. (The remote alarm is not stopped). However, if the alarm condition is continued after the “alarm resume time” has passed, the buzzer sounds again.

  • Page 20: 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 6 below. This is to notice the running status getting worse (not failure). 1. The status monitor lamp is lit when one of the running status shown in table 6 is detected. 2.

  • Page 21: Setting Of Compressor Delay Time

    SETTING OF COMPRESSOR DELAY TIME The delay time of 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 7 is based on the assumption that the delay time is changed to 4 minutes. (The delay time is set in 3 minutes at the factory.) Note:.

  • Page 22: Setting Of Door Alarm Delay Time

    SETTING OF DOOR ALARM DELAY TIME The buzzer of door alarm is activated with 2 minutes delay when the outer door is open. The delay time is changeable. Follow the procedure in table 8 below to change the setting of delay time. The procedure assumes that the delay time is changed from 2 minutes to 3 minutes.

  • Page 23: Alarms & Safety Functions

    ALARMS & SAFETY FUNCTIONS This unit has the alarms and safety functions shown in Table 9, and also self diagnostic functions. Table 9. Alarms and safety functions Alarm & Safety Situation Indication Buzzer Safety operation If the chamber temperature is higher High temperature than the temperature at which the alarm...

  • Page 24: 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 25: Defrosting Of Inside Wall

    ROUTINE MAINTENANCE Defrosting of inside wall The frost is built at the upper portion of the chamber and inner door. The excessive frost possibly make some gap between the cabinet and magnetic door gasket, which may cause poor cooling. Remove the frost on the inner door with a scraper enclosed with the unit.

  • Page 26: Cleaning Of Air Intake Port

    ROUTINE MAINTENANCE Cleaning of air intake port To open the outer door, the cap on the left side is turned counterclockwise to take the air. Therefore, the frost is easy to be settled around the air intake port or in it. Clean the air intake port depending on the conditions below: Condition Check / Remedy...

  • Page 27: Replacement Of Wear-Out Parts

    REPLACEMENT OF WEAR-OUT PARTS Replacement of battery for power failure alarm Replace the battery for power failure alarm about every 3 years (when the battery check lamp lights) to ensure the alarm is operated in the event of power failure. Contact our sales representative or agent for the replacement of battery when the battery check lamp lights.

  • Page 28: Troubleshooting

    TROUBLE SHOOTING If the unit malfunctions, check out the following before calling for service. Malfunction Check/Remedy The chamber is not cooled The circuit breaker of power source is active. The voltage is too low (In this case, call an electrician). at all The power is not supplied.

  • Page 29: 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 that doors are locked completely with a key. The disposal of the unit should be accomplished by appropriate personnel. Always remove doors to prevent accidents such as suffocation.
  • Page 30 DISPOSAL OF UNIT (English) Disposal of Old Equipment and Batteries Only for European Union and countries with recycling systems These symbols on the products, packaging, and/or accompanying documents mean that used electrical and electronic products and batteries must not be mixed with general household waste. For proper treatment, recovery and recycling of old products and used batteries, please take them to applicable collection points in accordance with your national legislation.
  • Page 31 DISPOSAL OF UNIT (French) L’élimination des équipements et des batteries usagés Applicable uniquement dans les pays membres de l’Union européenne et les pays disposant de systèmes de recyclage. Apposé sur le produit lui-même, sur son emballage, ou figurant dans la documentation qui l’accompagne, ce pictogramme indique que les piles, appareils électriques et électroniques usagés, doivent être séparées des ordures ménagères.
  • Page 32 DISPOSAL OF UNIT (Portuguese) Eliminação de Equipamentos Usados e Baterias Apenas para a União Europeia e países com sistemas de reciclagem Estes símbolos nos produtos, embalagens, e/ou documentos que os acompanham indicam que os produtos elétricos e eletrónicos e as baterias usados não podem ser misturados com os resíduos urbanos indiferenciados.
  • Page 33 DISPOSAL OF UNIT (Dutch) Het ontdoen van oude apparatuur en batterijen. Enkel voor de Europese Unie en landen met recycle systemen. Deze symbolen op de producten, verpakkingen en/of begeleidende documenten betekenen dat gebruikte elektrische en elektronische producten en batterijen niet samen mogen worden weggegooid met de rest van het huishoudelijk afval.

  • Page 34: Temperature Recorder (Option)

    TEMPERATURE RECORDER (OPTION) WARNING Always disconnect the power supply to the unit prior to attachment of a temperature recorder in order to prevent electric shock or injury. A temperature recorder is available for the freezer as an optional component. The type of the temperature recorder is MTR-G85C.
  • Page 35 TEMPERATURE RECORDER (OPTION) Starting recording and setting the time: Turn the power switch ON. The ink pen will move inward on the circular recording paper and stop temporarily at the 0 % position (equivalent to the 40 C line). Then the ink pen Ink pen will move to the position which indicates the measured Hour...

  • Page 36: Backup Cooling Kit (Option)

    BACKUP COOLING KIT (OPTION) WARNING As with any equipment that uses CO or N 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.
  • Page 37 BACKUP COOLING KIT (OPTION) Chamber temperature is the time when -70 C can be holding for Liquid CO backup cooling kit. Keep a liquefied CO gas cylinder at less than 31 Ambient temperature ( • The above data is the experiment value which uses liquid CO gas 30 L.

  • Page 38: Small Inner Door (Option)

    SMALL INNER DOOR (OPTION) There is a small inner door (MDF-7ID) of the shelf width of the chamber in this product by the option. The user divided into every shelf of the chamber is to change a standard small inner door to MDF-7ID. Refer to an attached installation manual for the installation of MDF-7ID in the small inner door.

  • Page 39: Inventory Rack (Option)

    INVENTORY RACK (OPTION) The optional inventory racks (IR-220U, IR-224U) are useful to store the precious materials in the chamber effectively. When the racks are used, it is necessary to adjust the height of the shelves. Set the shelf stopper as shown in the figure below. IR-220U NOTE: Only inventory rack IR-220U can be applied...

  • Page 40: Specifications

    SPECIFICATIONS Product name Ultra-Low Temperature Freezer MDF-U76V External dimensions W1010 mm x D870 mm x H1990 mm Internal dimensions W870 mm x D600 mm x H1400 mm Effective capacity 728 L Exterior Painted steel Interior Painted steel Outer door Painted steel...

  • Page 41: Performance

    PERFORMANCE Ultra-Low Temperature Freezer Product name MDF-U76V Model No. MDF-U76V-PE Cooling performance C at the center of the chamber (ambient temperature; 30 C, no load)* Temperature control range C to -85 C (ambient temperature; 30 C, no load) Rated voltage...

  • Page 42: Safety Check Sheet

    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 : Risk of infection: Risk of toxicity: Risk from radioactive sources: (List all potentially hazardous materials that have been stored in this unit.) Notes : 2.
  • Page 44 Distributed by Nijverheidsweg 120, 4879 AZ Etten-Leur, The Netherlands Manufactured for Printed in Mexico 1-1-1 Sakada, Oizumi-machi, Ora-gun, Gunma 370-0596, Japan LDCL030900-0 M0418-0 © PHC Corporation 2018...

This manual is also suitable for:

Mdf-u76v-pe

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