Yamato DC401 Page 31 Instruction Manual Download | Manualshive

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Limited Liability

Always operate equipment in strict compliance to the handling and operation procedures set forth
by this instruction manual.
Yamato  Scientific  Co.,  Ltd.  assumes  no  responsibility  for  malfunction,  damage,  injury  or  death,
resulting from negligent equipment use.
Never  attempt  to  disassemble,  repair  or  perform  any  procedure  on  DC401  units  which  are  not
expressly  mandated  by  this  manual.  Doing  so  may  result  in  equipment  malfunction,  serious
personal injury or death.

Note

◆

Instruction manual descriptions and specifications are subject to change without notice.

◆

Yamato Scientific Co., Ltd. will replace flawed instruction manuals (pages missing, pages out of
order, etc.) upon request.

Instruction Manual

Freeze Dryer
Model DC401

First Edition June 7, 2017

Revision

Yamato Scientific America Inc.

925 Walsh Avenue, Santa Clara, CA 95050
Phone:

800.292.6286 / 408.235.7725

http://www.yamato-usa.com

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Summary of Contents for DC401

Page 1: ...or choosing DC series freeze dryers from Yamato Scientific Co Ltd For proper equipment operation please read this instruction manual thoroughly before use Always keep equipment documentation safe and close at hand for convenient future reference WARNING Read instruction manual warnings and cautions carefully and completely before proceeding ...

Page 2: ......

Page 3: ...9 Unit Overview 9 Control Panel 10 4 OPERATION PROCEDURES 11 Pre freezing 11 Main Operation 12 Defrost 16 5 HANDLING PRECAUTIONS 17 6 MAINTENANCE PROCEDURES 19 Inspection Maintenance 19 7 STORAGE DISPOSAL 20 Disposal Considerations 20 8 TROUBLESHOOTING 21 Troubleshooting Guide 21 9 SERVICE REPAIR 22 10 SPECIFICATIONS 23 Main Unit 23 Optional Accessories 24 11 WIRING DIAGRAM 25 DC401 25 12 REPLACEM...

Page 4: ...ended hospitalization and or outpatient treatment Note 2 Minor injury is defined as bodily wounds or electrocution which will not require extended hospitalization or outpatient treatment Note 3 Property damage is defined as damage to facilities equipment buildings or other property Note 1 Serious injury is defined as bodily wounds electrocution bone breaks fractures or poisoning which may cause de...

Page 5: ...on General Caution Caution Shock Hazard Caution Burn Hazard Caution Do Not Heat Without Water Caution May Leak Water Caution Water Only Caution Toxic Chemicals Restriction General Restriction No Open Flame Do Not Disassemble Do Not Touch Action General Action Required Connect Ground Wire Level Installation Required Disconnect Power Inspect Regularly ...

Page 6: ...ued operation under such conditions may result in fire or electric shock DO NOT operate with bundled or tangled power cable Operating unit with the power cable bundled or otherwise tangled may cause power cable to overheat and or catch fire DO NOT damage power cable Damaging the power cable by forcibly bending pulling or twisting may cause fire or electric shock to the operator DO NOT handle flamm...

Page 7: ...LB immediately A direct lightning strike may cause damage to equipment or result in fire or electric shock DO NOT touch ice in cold trap Handling ice in the cold trap during or after operation with bare hands fingers may result in severe frostbite DO NOT touch cooling fins Edges of cooling fins are very sharp Do not contact with bare hands or skin Laceration injuries may result ...

Page 8: ...es will be generated where external temperature will exceed 35ºC will fall below 5ºC or will fluctuate in excessively humid or dusty locations where there is constant vibration where power supply is erratic in direct sunlight or outdoors Install DC unit in a location with sufficient space and venilation as specified as below More than 20cm More than 20cm Front side More than 40cm 3 Install in a lo...

Page 9: ...y way may result in malfunction fire or electric shock 5 Install on a level surface Install unit on a level and even surface Failure to do so may result in abnormal vibrations or noise and damage to the refrigeration system Approximate unit weight DC401 47kg Handle with care Transport and installation should always be performed by two or more people ...

Page 10: ...causing injury Taking preventative steps to install unit in a safe location away from room access doors and out of other danger is strongly recommended 8 Handle power cable with care Never operate unit with power cable bundled or tangled and do not modify bend forcibly twist or pull on power cable Doing so may cause fire and or electrical shock Do not risk damage to power cable by positioning it u...

Page 11: ... place push down on lever to lock caster 4 Check drain cap Check to make sure cap is installed on drain outlet hose 5 Connect power cable Be sure main power switch ELB is turned OFF Connect power cable to grounded outlet 6 Use a vacuum pump having a displacement of 50 min or more maximum pressure of 1 0X10 1 Pa and a check valve 7 Install vacuum valves on all valve openings in the flask mount vacu...

Page 12: ...ONENT NAMES FUNCTIONS Unit Overview Control Panel Cold Trap Caster Vacuum Port Power Cable Power Switch Earth Leakage Breaker Cooling Vent Vacuum Pump Power Outlet Vacuum Gauge Drain Outlet Rear view Front view ...

Page 13: ...geration Switch Activates deactivates refrigeration system Vacuum Pump Switch Enables disables pump operation Pump Start Switch Starts pump operation Pirani Vacuum Gauge Decompression vacuum strength meter Defrost Switch Loosens ice buildup in cold trap Refrigeration Error Lamp Lights when refrigeration system is in overload ...

Page 14: ... following pre freeze wait 3 4 minutes varies with container and sample types before installing the next container and opening the next valve for the next process and so on until the whole process for all containers is complete Making intervals shorter between each individual container process or attempting to install all containers at once will cause samples to melt before vacuum pressure is able...

Page 15: ...on system activates In some cases sound of the refrigeration unit may be higher or lower depending on initial operation status and surrounding temperature This phenomenon is not abnormal 3 Install vacuum chamber 1 Be sure there is no dust or other contaminants on the trap seal or vacuum chamber before flask installation Damage to or contaminants on chamber and seal weaken vacuum pressure 2 Gently ...

Page 16: ...o power outlet on back of unit 6 A 2 A Connect vacuum pump power cable to the 6A power outlet on back of DC unit Keep vacuum pump switch ON Do not go above 8A total on 6A outlet 6 Close valves Turn all valves so that surface reading VENT is in the top position closing chamber side path 7 Turn pump switch ON and press START PUMP ON START OFF When the trap is sufficiently cooled time required to rea...

Page 17: ...h Sample container is decompressed and drying process begins 10 Install the next container When a vacuum valve is set from VENT to VAC the chamber interior is pressurized To process multiple samples wait approx 3 4 min until the pressure has returned before turning the next vacuum valve from VENT to VAC If multiple samples are processed at one time decompression will decrease and pre frozen sample...

Page 18: ...ntainer securely when removing so that it is not dropped 13 Normalize chamber pressure When the drying process has completed for all samples and all containers have been removed turn one of the vacuum valves gradually until VAC is in the top position This returns pressure inside the chamber to normal 14 Turn vacuum pump OFF PUMP ON START OFF Turn the vacuum pump switch OFF after chamber pressure h...

Page 19: ...so by pulling up on handle and turn OFF the defrost switch Defrost auto stop DC401 Approx 20min Turn OFF defrost switch manually 3 Drain water Remove the drain hose cap and drain remaining water from the trap into a drain basin or other receptacle 4 Stop refrigeration system DEFROST ON OFF ON OFF REFRIGE OFF 1 Turn OFF the refrigeration switch 2 Turn OFF the main power switch ELB Flask Vacuum Cham...

Page 20: ...climb onto unit or substitute it for a proper step ladder Units are not designed to support bodily weight and damage may result In addition unit may become unstable and tip over or fall resulting in equipment damage serious injury or death DO NOT place objects on equipment Do not place any objects on unit Doing so may cause unit to become unstable and tip over resulting in possible equipment damag...

Page 21: ...grease as needed If vacuum valve stem tubes become difficult to rotate remove the stem tube apply vacuum grease and reinstall Normalizing pressure Before turning OFF the vacuum pump following an operation run confirm that pressure in the vacuum chamber has returned to normal If vacuum pump is turned OFF while chamber is decompressed oil from the pump may back up into the chamber Refer to P 15 for ...

Page 22: ...for inspection by connecting power cable to a facility outlet or terminal Confirm that main switch ELB is OFF then turn main switch ELB back ON With the main switch ON depress the test button on the main switch ELB using a ball point pen or other fine tipped object If main switch ELB shuts off it is functioning normally Cleaning cooling fins If cooling fins are allowed to become clogged with dust ...

Page 23: ...recycle them in contribution to preserving the global environment Major components and materials comprising DC series units are listed in the table below Component Material Compound Main Casing Galvanized steel with baked on melamine resin coating Inner trap Cover Stainless steel SUS304 Acrylic Name plate Polyester PET resin film Corner protectors Alkylbenzenesulfied ABS resin Trap seal Silicon ru...

Page 24: ...o many samples are being processed at once External temperature exceeds 30 C Cooling vent s are obstructed Error lamps Error symptom Cause Remedy Refrigeration error lamp on Refrigeration system overload Turn power off immediately eliminate error source refer to Trouble Shooting temperature does not fall above and restart after 5 minutes If lamp stays lit after restart call for service If problem ...

Page 25: ... required for all repairs Model name Serial Number Date year month day of purchase Description of problem in as much detail as possible Guaranteed Supply Period for Repair Parts Guaranteed maximum supply period for repair parts is 7 seven years from date of discontinuation for DC401 freeze dryer models Repair parts is defined as components which when installed allow for continued unit operation Re...

Page 26: ...er Pirani gauge Vacuum port φ17mm Chamber material SUS304 Cylindrical Dimensions of chamber φ153 H235mm Capacity Approx 4L Usable external temperature 5 to 30 C Standard measurements External dimensions W340 D450 H920 mm Weight Approx 53Kg Power requirements 220V AC 50 60Hz 2 6A Included items Vacuum silicon grease TORAY H V G Vacuum hose φ12 φ30 1 5m DC401 instruction manual Pirani gauge instruct...

Page 27: ...Dimensions φ252 H240 mm Stopper plug type dry chamber Number of shelves 1 212564 No of 60mm petri dishes supplied 7 Temperature adjustment 30 C 2 C Dimensions φ252 H425 mm Dry flask 120mℓ 5 pcs 212820 250mℓ 5 pcs 212821 Dry flask cap with glass joint Straight 5 pcs 212570 45 bent 5 pcs 212571 Serum bottle Vial 50mℓ 10 pcs 212814 30mℓ 10 pcs 212815 10mℓ 10 pcs 212816 Ampule adapter Single 5 pcs 212...

Page 28: ...lt in Lamp pressure Pirani gauge Sensor vacuum gauge PAsw PSsw VAC DEF REF PS PA TH Relay refrigeration Relay refrigeration stop Relay pressure error Relay solenoid valve Switch pump Switch pump start Switch defrost Switch refrigeration X3 X4 X5 X6 VACsw1 VACsw2 DEFsw REFsw Earth leakage breaker Terminal block Fan motor refrigeration Solenoid valve refrigeration Solenoid valve defrost Solenoid val...

Page 29: ...atsushita 2050000053 T1 Timer ADX11184 Matsushita LT00000994 DEFsw PEFsw Switch CW SB21NMKZMEF Nihon Kaiheiki 2550000011 VACsw2 Switch CW SB21NYKZYEF Nihon Kaiheiki 2550000017 VACsw1 Switch A3CT 90A0 Y OMRON LT00000995 PS Lamp pressure BN5665L AC100V Satoh Parts LT00021961 CN Receptacle AC R02MB12 ECHO LT00033205 PA Pirani gauge GP 1 WP 02 with sensor ULVAC LT00001004 PSsw Pressure switch VHP F Fu...

Page 30: ...um Perchlorate and other perchlorates Potassium Peroxide Sodium Peroxide Barium Peroxide and other inorganic peroxides Potassium Nitrate Sodium Nitrate Ammonium Nitrate and other nitrates Sodium Chlorite and other chlorites Calcium Hypochlorite and other hypochlorites Flammable Substances Ethyl Ether Gasoline Acetaldehyde Propylene Chloride Carbon Disulfide and other substances with ignition point...

Page 31: ...units which are not expressly mandated by this manual Doing so may result in equipment malfunction serious personal injury or death Note Instruction manual descriptions and specifications are subject to change without notice Yamato Scientific Co Ltd will replace flawed instruction manuals pages missing pages out of order etc upon request Instruction Manual Freeze Dryer Model DC401 First Edition Ju...

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