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Summary of Contents for Phcbi MDF-DU701VH
- Page 1 Operating Instructions Ultra-Low Temperature Freezer MDF-DU701VH Please read the operating instructions carefully before using this product, and keep the operating instructions for future use. See page 44 for model number.
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Page 3: Table Of Contents
CONTENTS INTRODUCTION P. 2 PRECAUTIONS FOR SAFE OPERATION P. 3 LABELS ON THE UNIT P. 8 SYMBOLS ON THE UNIT P. 8 ENVIRONMENTAL CONDITIONS P. 9 INTENDED USE AND PRECAUTIONS P. 9 FREEZER COMPONENTS P.10 Control panel P.12 INSTALLATION SITE P.13 INSTALLATION P.14... -
Page 4: Introduction
INTRODUCTION ■ Read the operating instructions carefully before using the product and follow the instructions for safe operation. ■ PHC Corporation takes no responsibility for safety if the product is not used as intended or is used with any procedures other than those given in the operating instructions. ■... -
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 WARNING Keep clear of obstruction all ventilation openings in the appliance enclosure or in the structure for building-in. Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer. Do not damage the refrigerant circuit.
- Page 9 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.
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Page 10: Labels On The Unit
LABELS ON THE UNIT Warning safety labels applied to the ultra-low temperature freezer. Users are advised to avoid accidents by carefully reading the warnings and cautions contained on warning labels at key locations on the interior and exterior of the ultra-low temperature freezer. Possible Warning/Caution Type Warning/Caution Label... -
Page 11: Environmental Conditions
ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions: ■ Indoor use; ■ Altitude up to 2000 m; ■ Ambient temperature 5 C to 30 ■ Transient overvoltages up to the levels of OVERVOLTAGE CATEGORY II; ■... -
Page 12: Freezer Components
FREEZER COMPONENTS 7 (inside) 11(inside) Power supply cord Rear side... - Page 13 FREEZER COMPONENTS 1. Control panel (on the upper front of the outer door): The current chamber temperature or set temperature is displayed. See page 12 for details. 2. Outer door: To open the outer door, grip the outer door latch. When closing, lock the outer door latch completely.
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Page 14: Control Panel
FREEZER COMPONENTS Control panel 1. Digital temperature indicator: This indicator shows the present chamber temperature or set temperature. An error code will be displayed when the self diagnostic function detects any abnormality. 2. Status monitor lamp (STATUS): This lamp lights when environmental condition or status gets worse or the unit is out of normal operation. -
Page 15: 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 16: 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 17: 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. And check the battery switch is off. 2. -
Page 18: 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 19: 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 setting range of alarm temperature is between the chamber temperature ±5 C and ±40 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... -
Page 20: 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. However, if the alarm condition is continued after the “alarm resume time” has passed, the buzzer sounds again. It is possible to change the alarm resume time by the procedure shown in the Table 5. The example in the table is based on the assumption that the desired duration is 20 minutes. -
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 6 is based on the assumption that the delay time is changed to 4 minutes. Note: The delay time is set in 3 minutes at the factory. -
Page 22: Setting Of Door Alarm Delay Time
SETTING OF DOOR ALARM DELAY TIME The door check lamp lights when the outer door is open and the buzzer is activated with 2 minutes delay. The delay time is changeable. Follow the procedure in table 7 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: Remote Alarm Terminal
REMOTE ALARM TERMINAL The terminal of the remote alarm is installed at the lower right side of the unit. The alarm is outputted from this terminal. Contact capacity is DC 30 V, 2 A. Contact output: Terminal Normal status Abnormal status Between COM. -
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 8 below. This is to notice the running status getting worse (not failure). 1. The status monitor lamp (STATUS) is lit when one of the running status shown in table 8 is detected. 2. -
Page 25: 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 & 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 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
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 the magnetic door gasket, which may cause poor cooling. Remove the frost on the inner door with a scraper enclosed with the unit. -
Page 28: 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 Remedy... -
Page 29: Replacement Of Battery
REPLACEMENT OF BATTERY 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 30: Troubleshooting
TROUBLESHOOTING 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 □... -
Page 31: 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 32 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 33 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 34 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 35 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.
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Page 36: Temperature Recorder (Option)
TEMPERATURE RECORDER (OPTION) A temperature recorder is available for the freezer as an optional component. The type of the temperature recorder is MTR-G85C and MTR-85H. For the attachment, the recorder fixing and recorder sensor cover is necessary. Contact our sales representative or agent for the installation of a temperature recorder. - Page 37 TEMPERATURE RECORDER (OPTION) <Replacement of dry cell> Note : This temperature recorder is designed for the manganese dry cell and the alkaline dry cell. Do not use a rechargeable battery because the initial voltage of such battery is low. The rechargeable battery may cause the malfunction of recorder or shorten the Fig.1 battery life significantly.
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Page 38: Setting Of Mtr-G85C
TEMPERATURE RECORDER (OPTION) Setting of MTR-G85C 1. Cover button: To open the cover, pull the cover forward while pressing the cover button. 2. Key lock: Insert the enclosed key and turn to the right while pushing and the cover is locked. 3. -
Page 39: Loading The Pen Cartridge
TEMPERATURE RECORDER (OPTION) Loading the pen cartridge 1. Turn off the power switch. 2. Slightly raise the end of the pen lifter and remove from the pen lifter stopper. Then rotate clockwise (until the pen top is on the pen lifter) as shown in Fig. 1 ... -
Page 40: Setting The Start Time
TEMPERATURE RECORDER (OPTION) Setting the start time 1. Turn off the power switch. 2. Place the recording chart at a position slightly in front of Time the desired time (the recording chart is rotated to the left). [Fig.1] Temperature 3. Turn on the power switch. 4. -
Page 41: Backup Cooling Kit (Option)
Following shows the time to keep chamber temperature at -70 C by using an optional backup cooling kit. Keep a liquefied CO cylinder at ambient temperature lower than 31 KM-DU73Y1 MDF-DU701VH Ambient temperature ( • The above data is the experiment value which uses liquid CO 30 L. (no-load) - Page 42 BACKUP COOLING KIT (OPTION) WARNING 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.
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Page 43: Small Inner Door (Option)
SMALL INNER DOOR (OPTION) For MDF-DU701VH, the small inner door (MDF-7ID) is available as an optional component. The small inner door is suitable for standard shelf location. For the installation, contact our sales representative or agent. Note: The cooling performance on the page 44 cannot be obtained when the small inner door (MDF-7ID) is installed. -
Page 44: 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. NOTE: Only inventory rack IR-220U can be applied when the small inner door (MDF-7ID) is... -
Page 45: Specifications
SPECIFICATIONS Product name Ultra-Low Temperature Freezer MDF-DU701VH Environment conditions Climate class 4 (30 C, 55 %R.H.) External dimensions W1010 mm x D870 mm x H1990 mm Internal dimensions W870 mm x D600 mm x H1400 mm Effective capacity 728 L... -
Page 46: Performance
PERFORMANCE Product name Ultra-Low Temperature Freezer MDF-DU701VH Model number MDF-DU701VH-PS Cooling performance C at the center of the chamber (ambient temperature; 30 C, no load)* Temperature control range C to -86 C (ambient temperature; 30 C, no load) Power voltage... -
Page 47: 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: □... - Page 48 1-1-1 Sakada, Oizumi-machi, Ora-gun, Gunma 370-0596, Japan Printed in Japan LDCL031900-0 © PHC Corporation 2018 S0418-0...
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