Related Manuals for Sanyo MDF-U74V
Summary of Contents for Sanyo MDF-U74V
- Page 1 MDF-U74V INSTRUCTION MANUAL MDF-U74VC MDF-U54V Ultra-Low Temperature Freezer MDF-U54VC MDF-U74V - 46 -...
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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
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.
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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 Mains supply voltage fluctuations not to exceed... -
Page 9: Freezer Components
FREEZER COMPONENTS 7 (inside) 11(inside) Power cord Rear side - 54 -... - 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 handle. On closing, lock the outer door latch completely. 3.
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Page 11: Control Panel
3. Battery check lamp (BATTERY): This lamp lights to recommend the battery replacement. This lamp blinks when a fan motor is maintained. For the replacement, consult Sanyo sales representative or agent. 4. Door check lamp (DOOR): This lamp lights when the door is open. -
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 back-up system (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 buzzer stop key (BUZZER) on the control panel during alarm condition (The remote alarm is not silenced). 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: 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 19: Monitor Of Freezer Status
• The status monitor lamp (STATUS) may be lit under normal running condition when the independent inner door (MDF-U54V:MDF-5ID, MDF-U74V:MDF-7ID) is installed because of less cooling performance. In this case, adjust the air conditioning so that the ambient temperature is around 23... -
Page 20: 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 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 21: 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 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 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: 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 24: 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 25: Troubleshooting
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. - 70 -... -
Page 26: Replacement Of Battery
REPLACEMENT 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 27: 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 28 The symbol mark and recycling systems described below apply to EU countries and do not apply to countries in other areas of the world. Your SANYO product is designed and manufactured with high quality materials and components which can be recycled and/or reused.
- Page 29 POUR LES UTILISATEURS DE UE Le symbole et les systèmes de recyclage évoqués ci-dessous s'appliquent uniquement aux pays de UE. Votre produit SANYO est conçu et fabriqué avec des composants et des matériaux de hautes qualités qui peuvent être recyclés et/ou réutilisés.
- Page 30 PER UTENTI UE Il simbolo e i sistemi di riciclaggio descritti di seguito si applicano esclusivamente ai paesi dell’UE. Questo prodotto SANYO è stato progettato e realizzato con materiali e componenti di elevata qualità che possono essere riciclati e/o riutilizzati.
- Page 31 Het symbool en de recycleersystemen die hieronder beschreven worden, zijn van toepassing op de landen in de EU en zijn niet van toepassing op landen in andere delen van de wereld. Uw SANYO product is ontworpen en gemaakt met materialen en onderdelen van hoge kwaliteit, die gerecycleerd en opnieuw gebruikt kunnen worden.
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Page 32: Temperature Recorder (Option)
TEMPERATURE RECORDER (OPTION) 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. Then take off the cover for the recorder mounting space Fig. -
Page 33: Back-Up System (Option)
BACK-UP SYSTEM (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 34: Inner Door (Option)
The user divided into every shelf of the chamber is to change a standard independent inner door to MDF-7ID (for MDF-U74V) or MDF-5ID (for MDF-U54V). Refer to an attached installation manual for the installation of MDF-7ID/MDF-5ID in the independent inner door. -
Page 35: Mounting Of Interface Board (Option)
MOUNTING OF INTERFACE BOARD (OPTION) By installing an interface board (MTR-480), the log data can be transmitted to a PC. The mounting procedure is as follows: 1. Remove 4 screws of the communication box hole cover in the control panel. (Fig. 1) 2. -
Page 36: Mounting Of Lan Interface Board (Option)
MOUNTING OF LAN INTERFACE BOARD (OPTION) By installing an LAN interface board (MTR-L03), the log data can be transmitted to a PC. The mounting procedure is as follows: 1. Remove 4 screws of the communication box hole cover in the control panel. (Fig. 1) 2. -
Page 37: Inventory Rack (Option)
IR-224U NOTE Only inventory rack IR-220U can be applied when the independent inner door (MDF-7ID or MDF-5ID) is installed.Shelf support Shelf stopper No. 4 under second screw from the top (There is a mark which hollowed at the shelf support front side.) No. -
Page 38: 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 39 • 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.
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Page 40: Performance
PERFORMANCE Model MDF-U74V, MDF-U74VC 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 source 220 V, 50 Hz 220 V, 60 Hz... -
Page 41: 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 42 SANYO Electric Co., Ltd Printed in Japan...