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Milestone PrestoCHILL, Operator'S Manual

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Milestone PrestoCHILL Operator'S Manual Download Page 8

PrestoCHILL 

MM138-003 

– Operator Manual 

 

8 

 

1.4.1. Touch control terminal 

 
The following picture shows the Touch Control TERMINAL of the PrestoCHILL unit. It is possible to operate 
the unit by simply touching the icons on the screen. 
 

 

 
One USB PORT is located on the lateral sides of the Touch Control Terminal. 
 

 

 

 

When  not  in  use,  it’s  required  to  leave  the  USB  protection  inserted  into  the  slot,  as 
shown in the picture above. 

 

Characteristics:  

TFT-

LCD 4.3” widescreen color display  

 

 

 

Resolution 480X272, 

 

 

 

Resistive Touchscreen 

 

 

 

Mass storage 512MByte 

 

 

 

1CPU 700MHz 

 

 

 

Windows™ Compact Embedded 6 

Programs: 

 

Customizable time and temperature 

I/O-Interface: 

 

1x USB port 2.0 

 
The  manufacturer  reserves  the  right  to  change  and/or  improve  specifications  without  notice  and  without 
incurring any obligation. 
 
 

1.5.  Transportation and storage conditions 

 
Temperature: 

–20°C up to +60°C (-4°F up to 140°F) 

Humidity: up to 80% (up to 50% at 40°C 

– 104°F) non–condensing 

 

 

Before  turning  PrestoCHILL  on  (when  coming  from  a  storage  room),  let  the  unit  reach 
working environmental conditions (at least half an hour). 

It  is  very  important  to  ship  and  move  the  PrestoCHILL  system  in  a  vertical  position  to 
avoid that the cooling plate could be damaged and unscrewed from its support. 

 

Summary of Contents for PrestoCHILL

Page 1: ...PrestoCHILL Flash Chiller for Frozen Sections OperatorManual MM138 ...

Page 2: ......

Page 3: ... carefully this operator manual and to keep it in reach for convenient and fast consulting For any possible clarification or any request for assistance please contact either our Representative in your country Or contact Milestone s r l Via Fatebenefratelli 1 5 24010 Sorisole BG Italy Tel 39 035 412 8264 Fax 39 035 575498 web site www milestonemedsrl com e mail marketing milestonemedsrl com Please ...

Page 4: ...up AUTOMATIC MODE 21 3 7 1 Set automatic programs during the week 21 3 8 Set up freezing parameters 26 3 9 Defrost 26 3 9 1 HEPA12 Filter 27 3 10 Freezing a sample for Frozen Section 28 3 10 1 Freezing time 31 3 10 2 Using multiple timers 31 4 MAINTENANCE 33 4 1 Introduction 33 4 2 Before After each run 33 4 3 Daily 33 4 4 Every 250 defrost pump hours 34 4 4 1 How to change the HEPA12 filter 34 5 ...

Page 5: ...ing time 61 B 1 Recommended freezing time for moulds 61 B 2 Freezing time changes 62 C Appendix Use the extractor for chucks 63 C 1 How to use the extractor for chucks 63 D Appendix How to change a mould 65 D 1 How to change a mould 65 E Appendix Troubleshooting 66 E 1 Block detachment from the chuck 66 E 2 Gap between sample and medium 67 E 3 Block sticking to the mould 67 E 4 Difficulty in unscr...

Page 6: ...k Be sure to follow the instruction to prevent accidents resulting from electric shock Biohazard Be careful parts identified with this symbol are zones with risks of crushing hand and or finger s Surfaces identified with this symbol are at danger temperature CE logo this instrument complies to European Community directives IVD medical device according to 98 79 EC directive Indicates a single use m...

Page 7: ...its optional parts have been engineered for laboratory use and can therefore withstand the hardest laboratory conditions for continuous use in freezing biological samples for frozen sections The instrument is intended for laboratory use indoor use only The Milestone PrestoCHILL is specifically designed to produce frozen section blocks or frozen tissues in a fast reliable and standardized way The M...

Page 8: ...n Mass storage 512MByte 1CPU 700MHz Windows Compact Embedded 6 Programs Customizable time and temperature I O Interface 1x USB port 2 0 The manufacturer reserves the right to change and or improve specifications without notice and without incurring any obligation 1 5 Transportation and storage conditions Temperature 20 C up to 60 C 4 F up to 140 F Humidity up to 80 up to 50 at 40 C 104 F non conde...

Page 9: ...parts of the equipment and all optional must be supplied only by the manufacturer DO NOT OPEN THE CHASSIS Failure to follow the instruction in the documentation might lead to a reduction of device safety If the equipment is not working properly please contact your supplier or the manufacturer Do not remove the instrument optional panels or cover Only authorized and qualified SERVICE personnel may ...

Page 10: ...led in a laboratory where specimens and other biological tissues are present For your safety it is therefore required to clean and disinfect before entering in contact with it You must also wear gloves when operating the system In case of return it is required that the unit is cleaned and disinfected before sending it back to Milestone Non disinfected devices will be no longer accepted and you wil...

Page 11: ...ment and of the Council of 04 July 2012 on waste electrical and electronic equipment WEEE the separate collection environmental managed of equipment is mandatory It is necessary to return the used equipment to the distributor or to inquire about the presence of a local empowered system for collection and disposal of WEEE The in observance of Directive 2012 19 EC or of the local law which acknowled...

Page 12: ...de of non flammable material and is vibration free Ensure that the instrument has been positioned away from hot direct sunlight and is in a location completely free from drafts Make sure the unit is not placed against any side surface limiting the air cooling inlet exhaust allow at least a distance of 20cm 7 9in for each side and of 30cm 11 8in behind 2 1 Space Requirements PrestoCHILL is delivere...

Page 13: ...it 230V version REF 100850 115V version REF 100851 includes the following items Qty 1 Main power cable Code 50036 for 230V version Code 50391 for 115V version Qty 3 Mould for 30mm chuck REF 100606 A Qty 3 Mould for 40mm chuck REF 100609 A Dispensing slides Qty 3 REF 100551 large tip Qty 3 REF 100545 small tip Qty 1 Magnetic pen to work with the touch screen terminal Code 50596 S Qty 1 Tool for mou...

Page 14: ...Operator Manual 14 Qty 2 Heat extractor Code 100533 Qty 4 Heat extractor slim Code 100677 Qty 1 Box with 100 paper discs diameter 22mm REF 100622 Qty 1 Operator manual in electronic format Qty 1 Chuck Extractor Code 100737L ...

Page 15: ...sible Power line protection 115V Miniature circuit breaker curve C 6A interruption more than 6000A 230V Miniature circuit breaker curve C 6A interruption more than 6000A Residual current device 30mA Class I device 230V version a schuko terminated power cord is provided 115V version a NEMA 5 15P terminated power cord is provided Before connecting the plug to the laboratory s socket CHECK that the p...

Page 16: ...positioned in its final place of use Make sure that the unit is level Then connect the main power cable into the electrical plug that is located on the back of the unit see the picture below and the plug of main power cable into the wall socket Now it is possible to turn the PrestoCHILL on ...

Page 17: ...ted in chapter 6 The slim heat extractor can only be used with 5mm deep moulds The PrestoCHILL moulds can be replaced according to the laboratory requirements size of frozen specimens and type of chuck used To change the moulds see appendix D and for the list of mould models available see chapter 6 The conformation used by the PrestoCHILL that ensures optimal performances is four 5mm deep moulds a...

Page 18: ... and set 3 2 Change the language Press the Settings icon from the status bar Then select Language and set Select the language and press OK The software needs the reboot to make the language change effective Do it immediately pressing Yes to the below question otherwise the language change will be operative starting from the first turn on of the unit ...

Page 19: ...L MM138 003 Operator Manual 19 3 3 Help In the Help section in the Settings menu it is possible to insert useful info serial number only for service technical application and sales assistance contacts and website ...

Page 20: ... work plate of the PrestoCHILL with paper or similar absorbent material to dry it Switch on the unit This page will appear Touch the button Start chiller to set the working temperature and the sample freezing time and to initiate the cooling power Software records the last set temperature and time data The spot near the actual temperature value is red if the plate has not reached the set temperatu...

Page 21: ...urn the unit on in another moment cooling will start at set time It is always possible to modify the set temperature and the sample freezing time by entering in the chiller page For safety reasons if the cover of the PrestoCHILL is open when the beginning of a chiller program is set the chiller program does not start 3 7 1 Set automatic programs during the week Automatic cycle is a function which ...

Page 22: ...n the Start chill button and select the precise starting time at beginning half or end of the selected hour The selected hour will flash Now select the chilling stop time touching on it it will become highlighted Press the Stop chill button to confirm the chiller ending time and choose the precise starting time at beginning half or end of the selected hour The period in which chiller is on will be...

Page 23: ...he selected hour will flash The software automatically calculates and reserves the needed hours for the defrost program A standard defrost program requires 3 hours plus 1 hour to reach the defrost temperature The period reserved for the defrost cycle will be underlined with a yellow line The chiller stop time can be selected also the day after the chiller start The chiller time can t be plus than ...

Page 24: ... programs press on the Reset program button while to cancel only one program select it and press the Reset selected button answering YES to the relative question Save settings by clicking on YES to the exit question Activate the automatic mode by pressing the icon to render it green active in the main page Then the main screen shows icons for use in manual mode OFF grey color Defrost cycle duratio...

Page 25: ... displayed after 10 seconds On the left status bar it is present the PrestoCHILL manual automatic mode icon Automatic mode active Automatic mode inactive Manual mode active With automatic mode on if the Settings page or a page other than the Home page is accessed after 10 minutes of inactivity the unit returns to the home page in order to allow the implementation of the weekly program set ...

Page 26: ...he set freezing time in with the lateral arrow or by touching the Time box in this case a keypad will appear 3 9 Defrost The defrost procedure allows to obtain in a short time the complete elimination of frost that forms during normal PrestoCHILL use Defrost procedure consists of plate heating while an aspiration removes aqueous vapors derived from frost evaporation Since samples prepared in Prest...

Page 27: ...dvises you that the filter life is finished with the message Filter needs to be replaced Please do it at the starting of the first freezing program of the day Change the HEPA12 filter following the instructions in the chapter 4 4 1 How to change the HEPA12 filter Check the cool trap daily If needed empty it Refer to chapter MAINTENANCE 4 3 It is strongly suggested to do a defrost cycle once a day ...

Page 28: ...ide the mould Cleaning of the mould is very important to avoid the block from sticking in the mould 2 Apply a thin layer of embedding medium MCC to the tip of the dispensing slide This thin layer of MCC creates a clean plane of separation between the tissue and the mould floor and will prevent the sticking of any tissue residue 3 Place tissue FACE DOWN on the dispensing slide The transparency of t...

Page 29: ...of the tissue to the mould floor It will adhere 6 Pull the dispensing slide out from under the tissue Tissue requiring precise positioning can be flattened or manipulated and guided into desired position by carrying out this step and carefully 7 Fill the mould as quick as possible so that a meniscus of medium is bulging above the brim Too much medium is not a problem Too little medium can cause fa...

Page 30: ...intained at a cold temperature to provide additional instant and rapid heat removal from the chuck embedding medium and specimen 10 Close PrestoCHILL cover If the cover is left open for more than 3 minutes will trigger the alarm cover open Just close the cover to reset the alarm Alternatively press the icon that appears in the status bar to the left of the screen to silence the alarm 11 Press Star...

Page 31: ...o have a harder block that helps to cut the adipose tissue The mould for 40 mm chuck provides a standard freezing time of 60 seconds In case of delicate specimens which are cut in cryostat at temperatures equal to or greater than 20 C the freezing time can be reduced up to 30 seconds so as to have a less hard block and softer to cut In case of fatty tissues we recommend extending the freezing time...

Page 32: ...d used like the individual timer see chapter 3 8 The name of the timer can be modified click on the name to display the alphanumeric keyboard and enter the desired name maximum 13 digits The multiple timers page cannot be accessed if the timer of the main page is running ...

Page 33: ...r each use Do not use abrasives or sharp instruments that may damage the coating Before each run cleaning of the mould is very important to avoid the block from sticking in the mould cleaning must be performed with paper soaked in alcohol 4 3 Daily It s required to check the level of water condensed in the condensation trap daily As you can see below the maximum level of liquid is labeled on conde...

Page 34: ...ase do it at the starting of the first freezing program of the day 4 4 1 How to change the HEPA12 filter For safety reasons after the defrost pump has worked for 250 hours the HEPA12 filter Code 100624 must be changed The filter is on the rear of the unit 1 Extract the metal connection of the filter hose from the unit cover 2 Take out the second filter hose from its fitting Avoiding HEPA12 filter ...

Page 35: ...er corresponds with the black arrow on the unit 5 Now insert the metal part of the long hose into the cover hole then connect the other filter hose to its place After changing the filter reset the defrost pump hour counter Click on the icon from the Settings page It is necessary to insert the Administrator password issued as a separate document inserted in the Operator Manual Then press YES to the...

Page 36: ...standard EN 374 and the Directive 89 686 CEE Antibacterial mask face for surgery room and white coat Individual protection device meets the standard EN 149 Grade FFP3D and the Directive 89 686 CEE 5 2 PrestoCHILL decontamination and cleaning procedure 5 2 1 Detergents The following instructions must be strictly complied with in order to perform proper decontamination and cleaning procedure For fur...

Page 37: ...abrasive tool Rinse with a cloth moistened with water Clean with ethanol concentration in the range 70 100 Dry with adsorbent paper or a clean cloth 2 Chucks Rinse chucks under tap water until all freezing medium OCT traces go away Wash with an appropriate alcohol based detergent Dry with adsorbent paper or a clean cloth 3 Final steps Place the positioning tool chucks and heat extractors on the co...

Page 38: ... 2525 5 square shape chuck of 28 x 28mm depth 5mm weight 0 063kg max sample size 22 5 x 22 5mm REF 100693 MLD3030 2525 7 square shape chuck of 28 x 28mm depth 7mm weight 0 060kg max sample size 22 x 22mm REF 100698 MLD3030 2525 10 square shape chuck of 28 x 28mm depth 10mm weight 0 056kg max sample size 21 x 21mm REF 100699 MLD3939 3333 5 square shape chuck of 37 x 37mm depth 5mm weight 0 054kg ma...

Page 39: ...h 10mm weight 0 050kg max sample size 29 x 20mm REF 100701 MLD4234 5 round shape chuck of 35mm depth 5mm weight 0 054kg max sample size 31 5mm REF 100702 MLD4234 7 round shape chuck of 35mm depth 7mm weight 0 050kg max sample size 31mm REF 100703 MLD4234 10 round shape chuck of 35mm depth 10mm weight 0 044kg max sample size 30mm REF 100704 MLD3022 5 round shape chuck of 25mm depth 5mm weight 0 064...

Page 40: ...0 052 max sample size 33 5mm REF 100609 A MLD4436 7 round shape chuck of 40mm depth 7mm weight 0 047kg max sample size 33mm REF 100610 A MLD4436 10 circular shape chuck of 40mm depth 10mm weight 0 040kg max sample size 32mm REF 100611 A MLD3330 2419 5 rectangular shape chuck of 26 x 31mm depth 5mm weight 0 065kg max sample size 21 5 x 16 5mm REF 100713 MLD3330 2419 7 rectangular shape chuck of 26 ...

Page 41: ... 0 064kg max sample size 7 5mm REF 100707 MLD4410 7 round shape chuck of diameter or diagonal 20 40mm depth 7mm weight 0 064kg max sample size 7mm REF 100708 MLD4410 10 round shape chuck of diameter or diagonal 20 40mm depth 10mm weight 0 064kg max sample size 6mm REF 100709 MLD4415 5 round shape chuck of diameter or diagonal 20 40mm depth 5mm weight 0 063kg max sample size 12 5mm REF 100710 MLD44...

Page 42: ... REF 100727 MLD2618 7 round shape chuck of 22mm depth 7mm weight 0 065kg max sample size 15mm REF 100728 MLD4326 1818 5 square shape chuck of 25 x 25mm depth 5mm weight 0 067kg max sample size 15 5 x 15 5mm REF 100730 MLD4326 1818 7 square shape chuck of 25 x 25mm depth 5mm weight 0 065kg max sample size 15 x 15mm REF 100731 ...

Page 43: ...h 5mm weight 0 074kg REF 100768 MLD50 1616 5 square shape cryomould of 16 x 16mm compatible with chuck of diameter or diagonal 20 55mm depth 5mm weight 0 074kg REF 100769 Use of moulds for freezing in cryomould 1 Prepare the specimen in cryomould at room temperature and fill the latter with MCC 2 Transfer to mould MLD50 2520 5 and add chuck and standard heat extractor Freeze for a time between 30 ...

Page 44: ...pth 5mm weight 0 083kg max sample size 48 5mm REF 100722 MLD5951 7 round shape chuck of 55mm depth 7mm weight 0 073kg max sample size 48mm REF 100723 You can use a single mould MLD5951 in the working area of the PrestoCHILL If using a MLD5951 mould the PrestoCHILL conformation allows the presence of 3 moulds one MLD5951 mould in position 4 and two standard sized moulds in position 1 and 5 With thi...

Page 45: ... of 12mm Code 100677 HEAT EXTRACTOR RECTANGULAR rectangular base 20 x 30mm Code 100592 HEAT EXTRACTOR LARGE OPENING circular base with diameter hole of 17mm Code 100736 6 5 Box with 100 paper discs 16mm diameter REF 100623 22mm diameter REF 100622 30mm diameter REF 100615 6 6 Milestone Cryoembedding Compound MCC Milestone Cryoembedding Compound MCC 125ml REF 51421 for the 12 bottle package ...

Page 46: ...lass disc with 22mm diameter and 1 5mm thickness REF 100870 To be used with moulds MLD3426 5 MLD3426 7 and MLD3426 10 Qty 10 MOHS glass disc with 32mm diameter and 1 5mm thickness REF 100871 To be used with moulds MLD4436 5 MLD4436 7 and MLD4436 10 Qty 10 MOHS glass disc with 48mm diameter and 1 5mm thickness REF 100872 To be used with moulds MLD5951 5 and MLD5951 7 ...

Page 47: ...0882 Qty 3 RNG7028 5 Ring with diameter of 28mm and thickness of 5mm REF 100883 For chuck of at least 30mm Qty 3 RNG7037 5 Ring with diameter of 37mm and thickness of 5mm REF 100884 For chuck of at least 40mm Ring extractor Code 100885 Ring extractor bases For ring of internal diameter of 28mm Code 100886 For ring of internal diameter of 37mm Code 100887 ...

Page 48: ...EF 100890 Flat metal plate RNG PLATE REF 100881 Conductive pad for metal plate Code 100882 RNG7028 25 Ring with diameter of 28mm and thickness of 25mm REF 100888 For chuck of at least 30mm Ring extractor Code 100885 Ring extractor base for ring of internal diameter of 28mm Code 100886 ...

Page 49: ...REF 100891 Flat metal plate RNG PLATE REF 100881 Conductive pad for metal plate Code 100882 RNG7037 25 Ring with diameter of 37mm and thickness of 25mm REF 100889 For chuck of at least 40mm Ring extractor Code 100885 Ring extractor base for ring of internal diameter of 37mm Code 100887 ...

Page 50: ...the mould Cleaning of the mould is very important to avoid the block from sticking in the mould 2 Prepare the sample on the spatula with thin layer of MCC medium under it If preferable it is possible to use the paper disk method see BOP 102 3 Transfer the sample inside the mould and immediately fill the mould with MCC medium 4 Put chuck and heat extractor 5 Freeze for 4 minutes at 40 C 6 Trim the ...

Page 51: ... possible to repeat the cooling down of the trimmed block as needed to obtain a good frozen slice Milestone suggests the use of MCC medium for better adhesion between the sample and embedding medium Thanks to its higher fluidity MCC flows faster to surround and adhere to the samples If some non fatty parts are present in the sample and they shatter it is possible to warm these parts up with gloved...

Page 52: ...put directly into the mould 1 Prepare a drop of MCC on the tip of the spatula Take the specimen with tweezers so as to have the section of interest free and wet it with the drop of MCC 2 Place the specimen in the mould so that the muscle fibres are vertical this will provide cross section orientation for the cut 3 Holding the specimen firmly fill the mould with MCC Then place the chuck and heat ex...

Page 53: ...t OCT in order to have a not sticky handle for the tweezers during sliding We suggest the use of blue lens paper because the blue colour gives the right contrast to better understand if the sample is correctly positioned and oriented 3 Place tissue FACE DOWN and in the needed position and orientation More than one piece of tissue can be put on one paper square according to the size as shown in the...

Page 54: ...xtractor over the chuck stem Now close PrestoCHILL cover and press on countdown Start button and wait pre set freezing time 7 Take the block out It will be flat with the paper over the specimen The entire sample in case of long thin biopsy or all samples in case of multiple short biopsies will be at the same level and specimen will be visible through the blue lens paper due to its semi transparenc...

Page 55: ...and 32mm discs or hold the 48mm disc directly with the fingers 3 Put the sample on the glass disc with the epidermis up and in the needed position Push down and adhere sample margins to the glass 4 If necessary press down one site of the margin with the finger and freeze it cryospraying the corresponding position from the other side of the glass Repeat for all the margins 5 Put the glass disc with...

Page 56: ...ulds unscrewing them Insert the pad and then the ring plate with the serigraphy down Add the needed tools 2 Relax and ink the sample following lab procedures 3 Clean plate and ring using ethanol moistened paper just before to use them 4 Put the sample on the cleaned plate Press all the lateral margins with tweezers or fingers in order to adhere them to the plate The absence of the mould allow an e...

Page 57: ...actor and wait for the freezing time Use the screen timer to check to count the freezing time 60 seconds for the 37mm ring and 40 seconds for the 28mm ring In the meantime close the cover 8 Open the unit and remove the heat extractor with the frozen block attached 9 To detach the block from the ring it s possible to use the ring extractor 10 Choose the right base depending on the ring dimension Pu...

Page 58: ...position For example in case of rat or mouse brain that must be cut in frontal coronal sections see picture below Milestone suggests to freeze sample inside high ring at a temperature of 80 C This allows a fast enough freezing also of big samples 1 Remove from the PrestoCHILL working area the heat extractors and the six moulds unscrewing them Insert the pad and then the ring plate with the serigra...

Page 59: ...e the heat extractor over the ring and close the PrestoCHILL cover Wait the freezing time and then check the freezing completion lifting the heat extractor The freezing time depends on the dimension and the sample type it is 120 seconds for RNG7028 25 at 80 C 180 seconds for RNG7037 25 at 80 C 4 At the end of the freezing time add MCC to completely fil the ring hole and place on it the chuck and t...

Page 60: ...tor base 7 Put the extractor over the ring and push down in order to move up the block and outside the ring Complete the extraction pushing the block If block extraction is difficult warm the base of the block with a gloved hand This will soften residual MCC that is formed under the ring 8 If the freezing was made at 80 C leave the block in the cryostat for 15minutes to ambient it Trim and cut the...

Page 61: ...MLD4234 7 75 75 MLD4234 10 180 180 MLD3228 2926 5 40 50 60 MLD3228 2926 7 70 75 MLD3030 2525 5 40 50 60 MLD3030 2525 7 70 75 MLD3030 2525 10 130 135 MLD3939 3333 5 45 50 60 MLD3939 3333 7 75 75 MLD3939 3333 10 180 180 MLD4129 3324 5 40 50 60 MLD4129 3324 7 70 75 MLD4129 3324 10 130 135 MLD4442 4436 5 45 50 60 MLD4442 4436 7 75 75 MLD4442 4436 10 180 180 MLD4410 5 10 10 10 MLD4410 7 15 15 MLD4410 1...

Page 62: ...he freezing times must be confirmed by each laboratory For further information please contact application milestonemedsrl com B 2 Freezing time changes The ideal freezing time depends on the size of the mould used but also on the type of frozen tissue In case of delicate specimens which are cut in cryostat at temperatures equal to or greater than 20 C the freezing time can be reduced to halve the ...

Page 63: ...g medium layer in contact with the mould Using moulds deeper than 5mm when preparing specimens in 7 and 10mm deep moulds it is more difficult to extract the block because the contact surface between block and mould is larger Using embedding medium other than Milestone Cryoembedding Compound Milestone recommends using embedding medium Milestone Cryoembedding Compound MCC Code 51420 For optimal resu...

Page 64: ...s Loosen by rotating anti clockwise the jaw stop to free the chuck with the block The chuck extractor is used to extract the chuck if this has a handle in case of flat chucks you can use the connection to the cryostat in case of chucks with pin there is no handle unless the o ring is removed in order to use the o ring slot as connection for the chuck extractor ...

Page 65: ...uld D 1 How to change a mould On the basis of the blocks size needed in the laboratory it is possible to change the mould on the cold plate Using the key for the changing of the mould unscrew the wrong size mould Screw the desired mould into place and tighten with the key ...

Page 66: ...ding medium residues are removed from the used chuck and that the engravings for clamping to the MCC are not worn If the chuck does not have optimum clamping it is best to keep it at room temperature outside the working area of the PrestoCHILL before its use This allows the MCC to have more time before freezing to penetrate the clamping engravings 5 Prefer the standard heat extractor that induces ...

Page 67: ... enough medium to fill the mould at the right moment 3 Prefer Milestone Cryoembedding Compound MCC which being more fluid adheres better to the sample E 3 Block sticking to the mould At the end of freezing it may happen that the block doesn t exit from the mould This happen when there is frost inside the mould that act as a glue between mould and MCC block Solution Vertically hit the chuck with th...

Page 68: ... ones E 4 Difficulty in unscrewing moulds If some medium goes under the mould it acts as a glue between the mould and the PrestoCHILL working area and makes difficult to unscrew the mould for cleaning procedures Solution Start a defrost program in order to heat the medium under the mould Vertically hit the mould with heat extractor in order to break the links between mould and plate Unscrew the mo...

Page 69: ...am to clean the working area of the PrestoCHILL Press OK and start a defrosting program Alternatively dry and thoroughly clean the working area of the PrestoCHILL and all optional before starting a chiller program Before starting wipe the work plate of the PrestoCHILL with paper or similar absorbent material to dry it In the event of a power failure during a defrosting process in automatic mode wh...

Page 70: ...RIPTION WHAT TO DO 1 Communication fault 1 Press Silent to hide the alarm 2 Reboot the system wait 2 minutes before the rebooting 3 Call your customer service if the issue can t be fixed 2 Chiller temperature not reached 3 Defrost temperature not reached 6 Chiller system error 7 Chiller temperature out of range ...

Page 71: ......

Page 72: ...marketing milestonemedsrl com www milestonemed com Via Fatebenefratelli 1 5 24010 Sorisole BG Italy Tel 39 035 4128264 Fax 39 035 575498 Milestone Srl ...

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