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Sanyo MDF-236 manual

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Table of contents for the manual

  • Page 1

    MDF-136 MDF-236 MDF-436 BIOMEDICAL FREEZER INSTRUCTION MANUAL MDF-236[...]

  • Page 2

    Note: 1. No part of this manual may be reproduced in any form w ithout the expressed w ritten permission of SANYO. 2. The contents of this manual are subject to change w ithout 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 [...]

  • Page 3

    1 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 START-UP OF UNIT P. 15 REMOTE ALARM TERMINAL P. 15 TEMPERATURE SETTING P. 16 ALARMS & SAFETY FUNCTIONS P. 18 SETTING OF ALARM RESUME TIME P. 19 ROUTINE MAINTENANCE P. 20 TROUBL[...]

  • Page 4

    2 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 illustra[...]

  • Page 5

    3 PRECAUTIONS FOR SAFE OPERATION Do not use the unit outdoors. Current leakag e 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 [...]

  • Page 6

    4 PRECAUTIONS FOR SAFE OPERATION 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 pow er supply plug if there is something w rong w [...]

  • Page 7

    5 PRECAUTIONS FOR SAFE OPERATION 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 glov es w hen y ou take out refrigerated articles from the freezer. Handing frozen contents or the inside walls with naked hands may cause frostbite. Do not defrost inside w alls using a [...]

  • Page 8

    6 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 ba ttery. 2-day continuous oper ation of the freezer is necessary to charge the battery fully. 2. The digital thermometer of medical freezer is desi gned to display the temper[...]

  • Page 9

    7 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 5 o C to 40 o C 4. Maximum relative humidity 80% for temperature up to 31 o C decreasing linearly to 50% relative humidity at 40 o C; 5. Mains supply volt[...]

  • Page 10

    8 FREEZER COMPONENTS 1 6 3 11 12 MDF-236 4 5 2 7 8 9 10 13 14[...]

  • Page 11

    9 FREEZER COMPONENTS 1. Door: To open the door, grip the handle. 2. Handle: Always grip this handle to open and close the outer door. 3. Door gasket: This provides a tight door seal and prevents cold air leak. Keep clean. 4. Access port: This is used for leading the meas uring cable from the freezing chamber to the outside. 5. Lock: Turn counterclo[...]

  • Page 12

    10 FREEZER COMPONENTS Control panel and keypad 1. Alarm test key (ALARM TEST): Test key for alarm device. By pressing this key, the alarm lamp is flashed, remote alarm is activated and buzzer sound. This means all alarm function operate correctly. 2. Buzzer stop key (BUZZER): To silence the audible alarm, press this key. The remote alarm is als o s[...]

  • Page 13

    11 INSTALLATION Installation site T o operate this unit properly and to obtain maximum performance, install the unit in a location with the following conditions: 1. A location not subjected to direct sunlight Installation in a location subjected to direct sunlight may lead to inadequate cooling. 2. A location w ith adequate ventilation Leave at lea[...]

  • Page 14

    12 INSTALLATION Installation 1. Remove the packaging materials and tapes Remove all transportation packaging materials and t apes. Open the doors and ventilate the unit. If the outside panels are dirty, clean them with a neutral detergent and wipe it up with a wet cloth. 2. Adjust the leveling feet Extend the leveling feet by rotating them counterc[...]

  • Page 15

    13 OPTIONAL COMPONENTS Temperature recorder WARNING Alw ays disconnect the pow er supply to the unit prior to attachment of a temperature recorder in order to prevent electric shock or injury. An automatic temperature recorders is available for this freezer as the optional component. The type of the recorder is MTR-G85. For the attachment, the moun[...]

  • Page 16

    14 OPTIONAL COMPONENTS 6. As shown in the Fig. 4, fix the recorder sensor on the chamber wall by using 2 clips with a 10mm spacer located between the wall and the clip. The clips and spacers are enclosed with the mounting kit. 7. Cover the gap of the access port on the chamber side completely by a silicon sealant after pushing the insulation into t[...]

  • Page 17

    15 START-UP OF UNIT Follow the procedures for the initial and consequent operations of the unit. 1. Turn the power switch ON with the chamber empty. 2. Turn ON the battery switch. 3. The alarm sometimes may operate. In this case, silence the alarm by pressing BUZZER key. 4. Set the chamber temperature to a desired value. 5. Allow the unit to achiev[...]

  • Page 18

    16 TEMPERATURE SETTING Chamber temperature Table 1 shows t he basic procedure for se tting 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 -35 o C. Note: The unit is set at the factory that the chamber temperature -30 o C. Tab[...]

  • Page 19

    17 TEMPERATURE SETTING Alarm temperature setting This unit is provided with both high and low temperatur e alarms. The temperature at which the alarm is activated may be changed. The available set range for high temperature alarm is between +5 o C and +15 o C, and -5 o C and -15 o C for low temperature alarm against the chamber temperature. Note: T[...]

  • Page 20

    18 ALARMS & SAFETY FUNCTIONS This unit has the alarms and safety functions shown in Table 5, and also self diagnostic functions. Table 5 Alarms and safety functions Alarm & Safety Situation Indication Buzzer Safety operation High temperature alarm If the chamber temperature is higher than the temperature at which the high temperature alarm [...]

  • Page 21

    19 SETTING OF ALARM RESUME TIME The alarm buzzer and remote alarm are silenced by pressing BUZZER key on the control panel during alarm condition. The buzzer and remote alarm will be activated again after certain suspension if the alarm condition is continued. The suspension time can be set by following the proce dure shown in the Table 6 below. Th[...]

  • Page 22

    20 ROUTINE MAINTENANCE WARNING Alw ays disconnect the pow er 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. CAUTION Alw ay s put on the dry [...]

  • Page 23

    21 TROUBLE SHOOTING If the unit malfunctions, check out the following before calling for service. The chamber is not cooled at all 1. The circuit breaker of power source is active. 2. The voltage is too low. (In this case, call an electrician.) 3. The power switch is not ON. 4. The large amount of articles (load) is stored in the chamber at one tim[...]

  • Page 24

    22 SPECIFICATIONS Name Biomedical Freezer Model MDF-136 MDF-236 MDF-436 External dimensions W640 x D687 x H881 (mm) W905 x D687 x H881 (mm) W1265 x D807 x H905 (mm) Internal dimensions W525 x D440 x H715 (mm) W790 x D440 x H715 (mm) W1140 x D550 x H735 (mm) Effective capacity 138 L 221 L 426 L Exterior Polyester finish baked on zinc galvanized stee[...]

  • Page 25

    23 PERFORMANCE MDF-136 Cooling performance -35 o C (ambient temperature; 35 o C, no load) Temperature control range -20 o C to -35 o C Rated voltage AC 110 V AC 115 V AC 220 V AC 220 to 240 V Rated frequency 60 Hz 60 Hz 60 Hz 50 Hz Rated power consumption 140 W 140 W 150 W 145 W Noise level 37 dB [A] (background noise; 20 dB) Maximum pressure 2570 [...]

  • Page 26

    24 CAUTION Please fill in this form before servicing. Hand over this form to the service engi neer to keep for his an d your safety . Safety check sheet 1. Refrigerator 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. Contaminatio[...]

  • Page 27

    7FB6P101279004 Recycled paper CEM SANYO Electric Biomedical Co., Ltd. 5-5, Keihan-Hondori 2-Chome Moriguchi City , Osaka 570-8677 Japan Printed in Japan[...]