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Summary of Contents for Phcbi MDF-U74V-PR
- Page 1 Operating Instructions Ultra-Low Temperature Freezer MDF-U74V Please read the operating instructions carefully before using this product, and keep the operating instructions for future use. See page 37 for model number.
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Page 2: 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 INSTALLATION SITE P. 11 INSTALLATION P. 12 START-UP OF UNIT P. 13 CHAMBER TEMPERATURE SETTING P. 14 KEY LOCK FUNCTION P. -
Page 3: 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 4: 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 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 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. Never store corrosive substances such as acid or alkali in this unit if the container cannot be sealed.
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Page 8: 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 ■... -
Page 9: Freezer Components
FREEZER COMPONENTS 7 (inside) 11(inside) Power cord Rear side... - Page 10 FREEZER COMPONENTS 1. Control panel (on the upper front of the door): Used for temperature setting and indication of operating status is displayed on the panel. See page 10 for details. 2. Outer door: To open the door, grip the door latch. On closing, lock the door latch completely. 3.
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Page 11: Control Panel
FREEZER COMPONENTS Control panel TEMPERATURE( BATTERY FILTER STATUS ALARM DOOR ALARM BUZZER STATUS TEST 1. Digital temperature indicator: This 8. Digit shift key ( ): Pressing this key in indicator shows present chamber the setting mode causes the changeable digit to temperature or set temperature. -
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. 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 15: 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 unit is set at the factory that the chamber temperature -80 Table 1. -
Page 16: 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 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 condition. (A remote alarm is continuing the operation.). 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 5 below. -
Page 18: Change Of Compressor Delay Time
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 6 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 19: Change Of Door Alarm Delay Time
CHANGE OF DOOR ALARM DELAY TIME The buzzer of door alarm is activated with 2 minutes delay when the door is open. 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 20: 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 21: 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 is lit when one of the running status shown in table 6 is detected. 2. -
Page 22: 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 23: 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 □... -
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 door gasket, which may cause poor cooling. Remove the frost on the inner door with a scraper enclosed with the unit. -
Page 26: 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 27 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 28 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 29 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 30 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 31: Disposal Of Battery
DISPOSAL OF BATTERY 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. (Fig. 1) The high voltage components are enclosed in the electrical box. The cover should be removed by a qualified engineer or a service personnel only to prevent the electric shock. -
Page 32: 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 recorders is available for the freezer as an optional component. The type of the temperature recorder is MTR-G85C. - Page 33 TEMPERATURE RECORDER (OPTION) 3. Press both sides of the pen arm as indicated by the arrows to open the head clamp at A and B. (See to Fig. 2 illustration 1) Ink pen 4. Position the ink pen so that the guide pins fit into the guide holes on the pen arm.
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Page 34: Backup Cooling Kit (Option)
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. -
Page 35: Small Inner Door (Option)
SMALL INNER DOOR (OPTION) There is an option of the small inner door (MDF-7ID) in this product. A chamber can be divided when the small inner door to MDF-7ID. Refer to an attached installation manual for the installation of MDF-7ID. Note: A cooling performance progresses when the small inner door (MDF-7ID) is used. -
Page 36: 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 IR-224U NOTE:... -
Page 37: Specifications
SPECIFICATIONS Product name Ultra-Low Temperature Freezer MDF-U74V External dimensions W1010 mm x D870 mm x H2010 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 Inner door ABS resin panel with stainless frame, 2 doors Shelf... -
Page 38: Performance
PERFORMANCE Product name Ultra-Low Temperature Freezer MDF-U74V Model number MDF-U74V-PR 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) Rated voltage... -
Page 39: 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 40 Original Operating Instructions 0123 Nijverheidsweg 120 4879 AZ Etten Leur, The Netherlands Printed in Japan 1-1-1 Sakada, Oizumi-machi, Ora-gun, Gunma 370-0596, Japan LDCL030800-0 S0418-0 2018.04.01 © PHC Corporation 2018...
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