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MDF-136
MDF-236
MDF-436

BIOMEDICAL FREEZER

INSTRUCTION MANUAL

MDF-236

Содержание MDF-136

Страница 1: ...MDF 136 MDF 236 MDF 436 BIOMEDICAL FREEZER INSTRUCTION MANUAL MDF 236 ...

Страница 2: ...e 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 ...

Страница 3: ...TS 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 TROUBLESHOOTING P 21 DISPOSAL OF UNIT P 21 SPECIFICATIONS P 22 PERFORMANCE P 23 SAFETY CHECK SHEET P 24 ...

Страница 4: ...t 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 ...

Страница 5: ...wer source A dusty plug or improper insertion may pose 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 circui...

Страница 6: ... 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 f...

Страница 7: ...se 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 Disc...

Страница 8: ...ber 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...

Страница 9: ...umidity 80 for temperature up to 31o C decreasing linearly to 50 relative humidity at 40o C 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...

Страница 10: ...8 FREEZER COMPONENTS 1 6 3 11 12 MDF 236 4 5 2 7 8 9 10 13 14 ...

Страница 11: ... the leveling legs 8 Leveling foot 2 feet are provided on the front side right and left Keep the unit in level by adjusting these legs at the installation 9 Space for temperature recorder An automatic temperature recorder optional part can be attached here See page 13 Temperature recorder 10 Drain port The water accumulated on the bottom of the chamber can be drained through this port 11 Basket Us...

Страница 12: ...is key Once the key is pressed the changeable digit is flashed Pressing this key again after setting desired temperature the setting is stored into computer memory If there is no key operation for 90 seconds during the temperature setting mode the temperature setting mode is invalid automatically See page 16 for the details 5 Digit shift key Pressing this key in the setting mode causes the changea...

Страница 13: ...ot strong enough or the installation site is not adequate this may result in injury from the unit falling or tipping over 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 5 A location without flammable or corrosive gas WARNING Never install the unit in a flamma...

Страница 14: ...to contact them to the floor Ensure the unit is level 3 Fix the unit Two fixtures are attached to the rear of the frame Fix the frame to the wall with these fixtures and rope or chain 4 Ground earth WARNING Use a power supply outlet with ground earth to prevent electric shock If the power supply outlet is not grounded it is necessary to install a ground by qualified engineers Never ground the unit...

Страница 15: ...ve four screws on the cover for the recorder mounting space and take off the cover Fig 1 2 Fix temperature recorder to the mounting by using 2 screws and fixture enclosed with the mounting kit Fig 2 3 Connect the power cord of the recorder with the coupler in the unit compartment of the freezer 4 Remove the caps and insulation covering the access port on the chamber side and unit compartment side ...

Страница 16: ...e 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 the gap 8 After binding the lead wire on the back of the recorder and fix the recorder to the freezer with 4 screws removed in procedure 1 Fig 5 Fig 5 Fig 4 Sensor Spacer Clip ...

Страница 17: ...f the battery switch is OFF Make sure to turn on the battery switch 7 Now you can put articles into the freezer chamber gradually to minimize the temperature rise REMOTE ALARM TERMINAL WARNING Always disconnect the power supply cord before connecting an alarm device to the remote alarm terminal The terminal of the remote alarm is installed at the back of the unit The alarm is outputted from this t...

Страница 18: ... set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation Although the value of the chamber temperature setting can range between 18o C and 40o C the guaranteed temperature without load is 35o C at ambient temperature of 35o C Key lock function This unit is provided with the key lock function When the key lock is ON change of temperature s...

Страница 19: ...tion Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press key for 5 seconds The first digit is flashed 3 Press key and scroll the figure to 1 When pressed the figure of settable digit increases 4 Press SET key SET The right digit is flashed Pressing the key shifts the digit which can be set 5 Set the temperature to 005 with the key and key When pressed the...

Страница 20: ...f the protective sensor for compressor is disconnected ALARM lamp is flashed E03 and chamber temp are displayed alternately Intermittent tone Remote alarm Normal operation Thermal sensor abnormality MDF 436 only If the protective sensor for compressor is short circuited ALARM lamp is flashed E04 and chamber temp are displayed alternately Intermittent tone Remote alarm Normal operation Battery swit...

Страница 21: ...st digit is flashed Pressing the key shifts the digit which can be set 3 Set the figure to F25 with the key and key When pressed the figure of settable digit increases 4 Press SET key SET The current reset time is displayed The middle digit is flashed 5 Set the figure to 020 with the key When pressed the figure of settable digit increases 6 Press SET key SET Alarm temperature is memorized and the ...

Страница 22: ... and the frost is built on the chamber wall during long term operation The excessive frost possibly make some gap between the cabinet and door gasket which may cause poor cooling Remove the frost inside the chamber once a month Following shows the procedure for removing the chamber frost 1 Temporarily move all the contents of freezer chamber to another freezer 2 Press DEF key for 5 seconds to stop...

Страница 23: ...d insulation for the access port are not set correctly 9 You put too many unfrozen articles into the freezer compartment When the unit does not accept changes of set point temperature 1 The key lock is set in ON mode Noise 1 The freezer is not installed on the sturdy floor 2 The freezer is not leveled with the leveling feet 3 There is anything touching the frame 4 The freezer is in the status imme...

Страница 24: ...or Hermetic type 175 W Hermetic type 350 W Condenser Wire and tube type Fin tube wire tube type Fan motor 2W Evaporator Aluminum tube on sheet type Refrigerant R 404A Temperature controller Electronics controller between 18 and 40o C Temperature display Digital display between 50 and 50o C Temperature sensor Thermister sensor Temperature alarm Flash of digital indicator and alarm lamp Buzzer Remot...

Страница 25: ...C to 35o 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 170 W 160 W Noise level 36 dB A background noise 20 dB Maximum pressure 2260 kPa MDF 436 Cooling performance 35o C ambient temperature 35o C no load Temperature control range 20o C to 35o C Rated voltage AC 110 V AC 115 V AC 220 V AC 220 to 240 V Rated fre...

Страница 26: ...unit Unit interior No contamination Decontaminated Contaminated Others 3 Instructions for safe repair maintenance of the unit a The unit is safe to work on b There is some danger see below Procedure to be adhered to in order to reduce safety risk indicated in b below Date Signature Address Division Telephone Product name Biomedical Freezer Model MDF 136 236 436 Serial number Date of Installation P...

Страница 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 ...

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