Sanyo MDF-U537, MDF-U333 User Manual

4 (1)

INSTRUCTION MANUAL

BIOMEDICAL FREEZER

MDF-U333 MDF-U537 MDF-U537D

MDF-U537/U537D

Note:

1.No part of this manual may be reproduced in any form without the expressed written permission of SANYO.

2.The contents of this manual are subject to change without notice.

3.Please contact SANYO if any point in this manual is unclear or if there are any inaccuracies.

SANYO Electric Biomedical Co., Ltd. All rights reserved. Printed in Japan.

CONTENTS

PRECAUTIONS FOR SAFE OPERATION

P. 2

CAUTIONS FOR USAGE

P. 6

ENVIRONMENTAL CONDITIONS

P. 7

FREEZER COMPONENTS

P. 8

INSTALLATION

P. 11

OPTIONAL COMPONENTS

P. 13

REMOTE ALARM TERMINAL

P. 18

TEMPERATURE SETTING

P. 19

ALARM & SAFETY FUNCTIONS

P. 22

SETTING OF ALARM RESUME TIME

P. 23

ROUTINE MAINTENANCE

P. 24

TROUBLESHOOTING

P. 25

DISPOSAL OF UNIT

P. 25

SPECIFICATIONS

P. 26

PERFORMANCE

P. 27

SAFETY CHECK SHEET

P. 28

1

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.

Precautions are illustrated in the following way:

WARNING

Failure to observe WARNING signs could result in a hazard to personnel possibly resulting in serious injury or death.

CAUTION

Failure to observe CAUTION signs could result in injury to personnel and damage to the unit and associated property.

Symbol shows;

this symbol means caution.

this symbol means an action is prohibited.

this symbol means an instruction must be followed.

Be sure to keep this manual in a place accessible to users of this unit.

< Label on the unit >

This mark is labeled on the cover in which the electrical components of high voltage are enclosed to prevent the electric shock.

The cover should be removed by a qualified engineer or a service personnel only.

2

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. If the floor is not strong enough or the installation site is not adequate, this may result in injury from the unit falling or tipping over.

Never install the unit in a humid place or a place where it is likely to be splashed by water.

Deterioration of the insulation may result which could cause current leakage or electric shock.

Never install the unit in a flammable or volatile location. This may cause explosion or fire.

Never install the unit where acid or corrosive gases are present as current leakage or electric shock may result due to corrosion.

Use a dedicated power source as indicated on the rating label attached to the unit.

Remove dust from the power supply plug before inserting in a power source. A dusty plug or improper insertion may cause a hazard.

Use a power supply outlet with ground (earth) to prevent electric shock. If the power supply outlet is not grounded, it will be necessary to install a ground by qualified engineers.

Never ground the unit through a gas pipe, water main, telephone line or lightning rod. Such grounding may cause electric shock in the case of an incomplete circuit.

Do not insert metal objects such as a pin or a wire into any vent, gap or any outlet for inner air circulation. This may cause electric shock or injury by accidental contact with moving parts.

Never store volatile or flammable substances in this unit. This may cause explosion or fire.

Never store corrosive substances in this unit. This may lead to damage to the inner components or electric parts.

Use this unit in safe area when treating the poison, harmful or radiate articles. Improper use may cause bad effect on your health or environment.

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. These may be harmful to your health.

3

PRECAUTIONS FOR SAFE OPERATION

WARNING

Never splash water directly onto the unit as this may cause electric shock or short circuit.

Never disassemble, repair, or modify the unit yourself. Any such work carried out by an unauthorized person may result in fire or injury due to a malfunction.

Disconnect the power supply plug if there is something wrong with the unit. Continued abnormal operation may cause electric shock or fire.

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 cannot be closed completely.

The disposal of the unit should be accomplished by appropriate personnel. Remove doors to prevent accidents such as suffocation.

Prepare a safety check sheet when you request any repair or maintenance for the safety of service personnel.

CAUTION

Select a level and sturdy floor for installation. This precaution will prevent the unit from tipping. Improper installation may result in water spillage or injury from the unit tipping over.

Connect the unit to a power source as indicated on the rating label attached to the unit. Use of any other voltage or frequency other than that on the rating label may cause fire or electric shock.

When removing the plug from the power supply outlet, grip the power supply plug, not the cord. Pulling the cord may result in electric shock or fire by short circuit.

Never damage or break the power supply plug or cord. Do not use the supply plug if its cord is loose. This may cause fire or electric shock.

Do not touch any electrical parts such as the power supply plug or any switches with a wet hand. This may cause electric shock.

Do not put a container with water or heavy articles on the unit. It may cause injury if the articles fall. Current leakage or electric shock may be resulted form the deterioration of insulation by spilled

water.

4

PRECAUTIONS FOR SAFE OPERATION

CAUTION

Do not climb onto the unit or do not put articles on the unit. This may cause injury by tipping or damage to the unit.

Put on dry gloves when you take out refrigerated articles from the freezer. Handing frozen contents or the inside walls with naked bands may cause frostbite.

Do not defrost inside walls using a knife or ice pick. There are pipelines for cooling behind the walls. Be careful not to damage the lines as this could cause a breakdown. Also, do not make a

hole in the wall for installation of attachments.

Hold the handle when closing the door. This will reduce the likelihood of a trapped finger.

Disconnect the power supply plug before moving the unit. Take care not to damage the power cord. A damaged cord may cause electric shock or fire.

Be careful not to tip over the unit during movement to prevent damage or injury.

Disconnect the power plug when the unit is not used for long periods.

Do not put the packing plastic bag within reach of children as suffocation may result

Remove dust and clean the power supply plug periodically. The operation with a dusty plug may cause fire.

5

CAUTIONS FOR USAGE

1.Sometimes the alarm may not operate at the time of first start-up. This does not mean malfunction. It is due to the complete discharge of incorporated battery. 2-day continuous operation of the freezer is necessary to charge the battery fully.

2.The digital thermometer of medical freezer is designed to display the temperature of the center part of the freezing compartment. Although the thermometer sometimes displays a temperature a little bit higher than the actual temperature of the center part, it gradually approaches the real temperature.

3.An access port to take out the measuring cable in the case is provided on the back or left side wall of the freezer. Be sure to replace the cap and heat insulator after take out cable or, the inside temperature cannot complete down, and frost may accumulate outside the port surroundings.

4.Do not use brushes, acids, benzine, thinners, powdered soap. Polishing powders, or hot water for cleaning, as they can deteriorate the painted surfaces and parts made of plastic and rubber. Be especially careful not to wipe plastic or rubber parts with volatile solvents such as benzine. Wipe up the neutral detergents with a wet cloth when used.

5.Frost will accumulate on the inside walls of the freezer during use. Then remove the frost with the spatula provided or a similar tool. Do not defrost inside walls using a knife or ice pick. There are pipelines for cooling behind the walls. Be careful not to damage the lines as this could cause a breakdown. Also, do not make a hole in the wall for installation of attachments.

6.The freezing temperature is different at each position inside the case of this freezer. The set temperature represents the temperature at the center of the inside case. The refrigerated articles put on the highest position part, are refrigerated higher than the set temperature, while those put on the lowest part are refrigerated lower.

7.Do not put too many warm articles into a freezer compartment before enough operating. Put items in a few at a time after the freezer compartment temperature has cooled to at least -20oC.

8.In the case of high ambient temperature, the cabinet front may heat up after the freezer starts to operate first. However, this does not denote a malfunction. It is due to heater or hot gas piped around the unit frame to prevent frost and ice sticking around the cabinet.

6

ENVIRONMENTAL CONDITIONS

This equipment is designed to be safe at least under the following conditions (based on the IEC 1010-1):

1.Indoor use;

2.Altitude up to 2000 m;

3.Ambient temperature 5oC to 40oC

4.Maximum relative humidity 80% for temperature up to 31oC decreasing linearly to 50% relative humidity at 40oC;

5.Mains supply voltage fluctuations not to exceed ±10% of the nominal voltage;

6.Other supply voltage fluctuations as stated by the manufacturer;

7.Transient overvoltages according to Installation Categories (Overvoltage Categories) II; For mains supply the minimum and normal category is II;

8.Pollution degree 2 in accordance with IEC 664.

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Sanyo MDF-U537, MDF-U333 User Manual

FREEZER COMPONENTS

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MDF-U333

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MDF-U537/U537D

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