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Panasonic MLS-3751, Operating Instructions Manual, Page: 30 / 32

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Panasonic MLS-3751 Operating Instructions Manual Download Page 30

External Dimensions

Weight (Mass)

Effective Internal Capacity

Chamber Dimensions

Chamber Material

Sterilization Temperature

Thermometer

Safety Valve Releasing Pressure

Pressure Gauge Range

SUS304 (Austenitic stainless steel)

Thermistor, digital display (25 

°

C ~ 141 

°

C)

Heat-retention Temperature

45 

°

C ~ 60 

°

C 

Melting Temperature

60 

°

C ~ 114 

°

C 

240 kPa (34.8 psi, 2.4 bar)

-0.1 MPa ~ 0.4 MPa

Exhaust Tank

115 

°

C ~ 135 

°

C

Sound Pressure Level

Max. 75 dB (A)

Accessories

Drain hose: 1

Stainless steel baskets - Large: 1, small: 1

Exhaust tank (1), Exhaust tank at rear side (1), Tank mounting bracket (1), Tip-resistant metals (2)

Optional Accessories

* The specifications may be subject to change for improvement without prior notice. 

Object temperature sensor, External temperature sensor, 

Printer, Stainless steel basket (large), Stainless steel basket (small), 

Punching basket, Sterilization can

*Please consult us about the model number, price, delivery date, etc. 

including other optional accessories than shown as above.

Warning and Safety Functions

Pressure safety valve, Overheat prevention device, Dry-scorch prevention, 
Cover interlock, Excessive pressure  prevention, Earth leakage breaker

Timer

72 hrs. fixed

1 week (Designation: Year, month, day, hour and minute)

2 liter Polyethylene tank

1 min. ~ 5 hrs.

Melting

Heat-retent

Timer

Sterilization

1 min. ~ 5 hrs.

370 mm(dia.) x 415 mm(D)

(Effective depth including cover: 463 mm)

370 mm(dia.) x 630 mm(D)

(Effective depth including cover: 688 mm)

50 L

75 L

Internal Volume

L

0

8

L

7

5

Approx. 61

 

kg

Approx. 71

 

kg

478 mm(W) x 632 mm(D) x 748 mm(H) 478 mm(W) x 632 mm(D) x 965 mm(H) 

MLS-3751

／

MLS-3751L

MLS-3781

／

MLS-3781L

Stainless steel baskets - Large: 2, small: 1

Specifications

30

Product Designation

Model Number

Labo Autoclave (High-pressure Steam Sterilizer)

MLS-3751-PK

MLS-3751L-PA
MLS-3751L-PN

Power supply

120 V unit

：

120 VAC

(50 Hz

／

60 Hz),15.8 A

220 V unit

：

220 VAC

(50 Hz

／

60 Hz),9.1 A

Power Consumption

1.9 kW 

2 kW

MLS-3751L-PE
MLS-3751L-PS

230 V unit

：

230 VAC

(50 Hz

／

60 Hz),8.7 A

Model Number

MLS-3781-PK

MLS-3781L-PA
MLS-3781L-PN

MLS-3781L-PE
MLS-3781L-PS

Power supply

230 V unit

：

230 VAC 

(50 Hz

／

60 Hz),17.4 A

220 V unit

：

220 VAC

(50 Hz

／

60 Hz),18.2 A

Power Consumption

4 kW 

Summary of Contents for MLS-3751

Page 1: ...27 Troubleshooting 28 29 Specifications 30 Basic operating procedure 15 23 For continuous use 23 To stop the operation 24 For timer operation 24 High pressure Steam Sterilizer Operating Instructions Safety Precautions 2 7 Precautions in Use 8 Before Using the Product 9 Sterilization Objects 13 14 Names and Functions of Part 10 11 Explanation of Label 12 Concerning After sales Service 32 About Chec...

Page 2: ...the product Alcohol Gas Gasoline These precautions must be observed without fail 2 Alcohol Gas Gasoline Gasoline Gasoline Gasoline For Your Safety Explanation of symbol word panels To reduce the risk of injury loss of life electric shock fire malfunction and damage to equipment or property always observe the following safety precautions The following symbol word panels are used to classify and des...

Page 3: ...rformance Ground without fail Set my power switch to OFF Do not open valve Make sure that the product has been properly grounded Be sure to connect one end of grounding line to the ground and the other end to the grounding terminal Failure to observe this warning may result in electric shock Should trouble burning smell etc occur set the power switch to the OFF position shut down the main power an...

Page 4: ...orous cap or loosen the cover sufficiently Failure to observe this warning may result in accident or incomplete sterilization Failure to observe this warning may destabilize control of the product or result in incomplete sterilization Do not place objects on the temperature sensor in the chamber When sterilizing waste pour about 300 ml of water into the sterilization bag and sterilize the waste wi...

Page 5: ...e AC Local Voltage MLS 3781 MLS 3781L Single phase AC Local Voltage Failure to observe this caution may result in ignition or malfunctioning Set the power switch to 䇾OFF䇿 and sufficiently cool the product before performing maintenance Failure to observe this warning may result in electric shock or burns Before performing maintenance set the power switch to the OFF position Do not touch the power s...

Page 6: ...lve vent when steam escapes Set the power switch to 䇾OFF䇿㻌position shut down the main power and contact the dealer from whom you purchased the product Failure to observe this caution may result in burns Be sure to use the exhaust tank attached to the product If the packings of the exhaust hose have not been inserted sufficiently steam may escape and result in burns Be sure to insert the hose down ...

Page 7: ... spill resulting in scald or electric shock Moreover the product may fall resulting in injury or damage to the floor Insert the attached drain hose in the drain water port and drain water at least 2 hours after operation If water is drained out in haste hot water may splatter resulting in burns or damage to the floor Repeated use of the same heating water may corrode the chamber or clog the piping...

Page 8: ...er Corrosion of the chamber may cause premature malfunction of the product Before leaving the product unused for a long time be sure to set the power switch in the OFF position and shut down the main power Use purified or city water as heating water After sterilizing culture mediums that generated sulfide gas or chlorine gas clean the chamber on the inside without fail Set the power switch in the ...

Page 9: ...k on the rear side of the product and the tank mounting brackets to the rear side of the product See page 10 Power supply and ground connections More than 15 cm ON Plug Power cord Wire size MLS 3751 MLS 3781 250 VAC 10 A or greater 250 VAC 20 A or greater AWG 14 Power cord Wire size Type Plug SJT MLS 3751L MLS 3781L 250 VAC 10 A or greater 250 VAC 20 A or greater AWG 14 Tip resistant metal Screws ...

Page 10: ...the exhaust tank Control panel Exhaust hose Sends steam and air in the chamber to the exhaust tank Grip Caster Exhaust valve Manually opening closing valve used for draining heating water from the chamber Drain outlet Heating water is drained from the chamber through this outlet Connect the included drain hose to drain heating water Cover Cover to shut the chamber tight It is lined with silicon ru...

Page 11: ...en operation starts with the cover locked When the optional object temperature sensor is installed and this object temperature button is pressed the lamp lights up and the sterilization timer is controlled by the temperature of objects to be sterilized Cover lock lamp Object temperature button The lamp lights up when this button is pressed Object temperature lamp Sets the time until the start of o...

Page 12: ...the cover ࠉ Label 3 This label explains how to install the exhaust tank and precautions of use Label 4 This label warns against burns that may occur when draining the heating water Label 5 This label warns against burns that may occur when steam blows from the pressure safety valve Label 6 This label warns against deterioration of the cover packings caused by sterilization objects Label 2 Label 3 ...

Page 13: ...perature sensor that detects the temperature of objects to be sterilized and controls sterilization time is available as an option Even after this sensor has been installed control can be switched over to the product s own sensor by pressing the object temperature ON OFF button Use this optional sensor to ensure sterilization is more reliable For details contact your dealer Recommendation Steriliz...

Page 14: ...izing only containers such as beakers flasks and test tubes place them with their openings facing downward or lay them on their sides WARNING WARNING When sterilizing waste pour about 300 ml of water into the sterilization bag and sterilize the waste with the bag open Sterilizing without water in the bag or with the bag closed may result in incomplete sterilization ɿAn error message may appear due...

Page 15: ...r 5 Place sterilization objects inside 6 Close the cover 7 Press the cycle program selector button 8 Change the settings for program operation 9 Press the start button Sterilization Melting Keep warm 10 Operation is completed 11 Open the cover 12 Take out the sterilization objects 13 Set the power switch to OFF 14 Drain off the heating water for program operation 16 17 17 18 18 18 19 20 25 21 22 2...

Page 16: ...rce from the product with the exhaust hose being connected Otherwise trouble may be caused Insert the packings up to the hilt while turning them clockwise and counterclockwise If they are turned in only one direction the exhaust hoses will be twisted to cause trouble Memo Advisory note Advisory note Packing Exhaust hoses Hole Hose in tank HIGH level mark LOW level mark Exhaust tank How to Use 16 C...

Page 17: ...e the chamber Digital display䊡 Temperature of heating water If the temperature is lower than 25 C 䇾㻌㻌㻌㻌㻌㻌䇿㻌appears The current temperature of the heating water in the chamber is indicated The figure shown above is for the case when the temperature of the heating water in the chamber is 30 C 1 Be sure to check the following points before opening the cover If you attempt to open the cover by force t...

Page 18: ...n Sterilization Objects䇿 page 13 14 If the cover is closed when the temperature inside the chamber is over 60 C due to continuous operation etc the air inside the chamber will expand suddenly to make it difficult to open and close the cover In this case wait until the temperature will lower below 60 C Purified water is best suited as heating water If it is unavailable use city water instead MEMO A...

Page 19: ...ngs can be changed by or button Programmed settings can be changed Change them if necessary Refer to the changeable range Change the settings See page 20 The product has been set at the values as shown in the table below at the time of shipment 1 Liquid Steriliz 2 Steriliz Keep Warm 3 Melting Keep Warm 4 Instrument Steriliz 50 C 50 C 50 C 50 C 50 C 50 C 45 C 60 C 45 C 60 C Boiling Melting Melting ...

Page 20: ...ch time this button is pressed 2 Press the or button to change the setting Beep Beep 3 Press the button to flicker the next menu Press the or button to change the setting Press the button Repeat this procedure Press the or button to change the setting For setting menu to be left unchanged simply press the button The setting value is incremented or decremented each time the or button is pressed If ...

Page 21: ... below 1 Press the button The sterilization setting temperature appears on the digital display 䊠 and the sterilization setting time and cycle appear alternately on the digital display 䊡 Confirm the setting 2 Press the button The process starts Beep In the case when the operation is started after selection of melting keep warm cycle 1 Press the button The melting setting temperature appears on the ...

Page 22: ... bringing down the handle 3 Pull the movable handle toward you to unlock the cover 4 Pull up the handle to slightly open the cover and wait until no steam comes out 5 Open the cover slowly Sudden opening of the door may break the container of sterilization objects and cause the culture medium to spill over 11 Open the cover Indication of completion See page 23 The settings of sterilization time me...

Page 23: ... continuous use When using the product consecutively make sure on the digital display 䊠 that the temperature inside the chamber is below 60 C To check the current temperature inside the chamber in standby status press the and buttons simultaneously See page 15 If the cover is closed when the temperature inside the chamber is raised due to continuous operation etc the air inside the chamber will ra...

Page 24: ...LOCK lamp is lit the temperature or pressure inside the chamber rises to make it impossible to pull the movable handle toward you Sterilization objects wear heat resistant leather gloves for prevention of scald The operation can be programmed up to at 23 59 of 7 days later from the current date and time 1 Press the button The lamp above the timer button lights up and the timer lamp on the digital ...

Page 25: ... power switch has been set to OFF the safety device works to lock the cover making it impossible to open the cover The sterilization temperature appears on the digital display Ⅰ and the date and time appear alternately on the digital display Ⅱ To cancel the timer operation press the button Year month day hour and minute have been set at the time of shipment If the timer setting is needed anew afte...

Page 26: ...n appears on the digital display 䊠 appears on the digital display 䊡 3 Press the and buttons to change the figure on the digital display 䊡 4 Press the button for setting Voice guide starts in set mode Press the cycle selector button Press the set confirm button Press the start button Operation is completed Warning Mode Points to be confirmed and checked when the safety device worked to stop the ope...

Page 27: ...it well with nylon scrubber impregnated with neutral detergent and then rinse it with running water In the case of liquid sterilization wash away the dirty liquid with After sterilizing culture mediums that generated sulfide gas or chlorine gas clean the chamber on the inside without fail Corrosion of the chamber may cause premature malfunction of the product water when it is boiling over Standard...

Page 28: ...ably for altitude Check the boiling point temperature Straighten the exhaust hose Select the right cycle If the boiling point is not set suitably for altitude please contact your dealer Steam leaks from the safety valve vent Pressure for sterilization is abnormally high 18 14 14 Is the temperature sensor inside the chamber blocked by sterilization objects Is a small amount of liquid sterilized in ...

Page 29: ...ch to OFF Error Sign Meaning Remedy See page The over temperature prevention device in the chamber is working 16 14 14 9 The temperature of the object temperature sensor optional rises abnormally high Contact the dealer from whom you purchased the product Boiling point is set at low level and the pressure is not raised normally The movable handle lock can not be unlocked The pressure rises abnorma...

Page 30: ...e Warning and Safety Functions Pressure safety valve Overheat prevention device Dry scorch prevention Cover interlock Excessive pressure prevention Earth leakage breaker Timer 72 hrs fixed 1 week Designation Year month day hour and minute 2 liter Polyethylene tank 1 min 5 hrs Melting Heat retent Timer Sterilization 1 min 5 hrs 370 mm dia x 415 mm D Effective depth including cover 463 mm 370 mm dia...

Page 31: ... that the time for safety inspection comes when the power switch is set to ON At this moment it is impossible to operate other buttons than the stop button To delete the inspection display temporarily press the button However in the standby status the inspection display appears again This condition will go on unless the safety inspection is implemented Ask your dealer for the safety inspection ahe...

Page 32: ...nd 29 If the trouble persists stop using the unit and contact your dealer with the following details 2 Concerning the autoclave䇻s consumables Important customer information Please fill out the details below at the time of purchase They will be useful if you ever need to request repairs Some parts will deteriorate as the autoclave is used Refer to the suggested timeframes given below for replacing ...

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