background image

 

 

         

- 23 -

 

8.  TROUBLESHOOTING 

 

 

Troubleshooting Table 

Symptom 

Possible Causes 

Temperature  controller  light  does  not 
illuminate. 

 

Power cable is not properly connected to outlet. 

 

Power failure in progress. 

 

Main power switch (ELB) is turned 

“OFF” 

Temperature does not fall. 

 

Condenser fins need cleaning. 

 

Thermal capacity of coolant has been exceeded. 

 

External temperature exceeds 35°C. 

 

Intake or heat vents obstructed. 

 

Power supply voltage has dropped below rating. 

Refrigeration system will not restart. 

 

Refrigeration  system  is  in  overload.    Turn  off  refrigeration 

switch  immediately,  see  possible  causes  for 

“temperature 

does not fall

”, above, and turn on refrigeration system again 

after several minutes. 

Coolant fluid does not circulate. 

 

Outlet stop valve is closed. 

 

Circulation path is closed, restricted or otherwise obstructed. 

 

Coolant fluid is too heavy or viscous.   

 

Error Table 

Error Sign 

Cause 

Remedy 

UUUU 

Sensor error 

Check whether sensor is disconnected or severed. 

FALR 

Temperature  controller 
malfunction 

Terminate operation. Turn off power immediately, and call 
for service 

 

If problems persist, turn off power, disconnect power cable and call for service.

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание NeoCool Circulator CF301

Страница 1: ...for choosing the CF301 NeoCool circulator 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 ...

Страница 2: ......

Страница 3: ...N PROCEDURE 14 Main Operation 14 Cooling Curves Reference Data 15 Flow Rate Lift Curves Reference Data 16 Choosing Coolant for Low TempApplications Reference Data 17 5 HANDLING PRECAUTIONS 18 6 INSPECTION MAINTENANCE 20 7 STORAGE DISPOSAL 22 Extended Storage Unit Disposal 22 Disposal Considerations 22 8 TROUBLESHOOTING 23 9 SERVICE REPAIR 24 10 SPECIFICATIONS 25 11 WIRING DIAGRAM 26 CF301 Wiring D...

Страница 4: ...tended 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 d...

Страница 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 ...

Страница 6: ... 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 flammable substances without proper ventilation Be sure there is adequate ventilation when working with certain flammable substances such as ethanol...

Страница 7: ...cause damage to equipment or result in fire or electric shock DO NOT touch coolant CF301 chillers are designed to maintain coolant fluid at temperatures below freezing Touching or handling coolant in the fill reservoir with bare hands or fingers may result in severe frostbite Do not touch DO NOT touch condenser fins Edges of condenser fins are very sharp Do not contact with bare hands or skin Lace...

Страница 8: ...ired in Japan Contact a local dealer electrician or Yamato Sales office for location specific electrical requirements Use ground adapter for ungrounded outlets Outlet with no ground receptacle Ground adapter Insert grounded plug into ground adapter Connect grounding wire green from ground adapter to a ground terminal 2 Place appropriately Do not place CF301 unit where flammable or corrosive gases ...

Страница 9: ...sion when near flammable or explosive fluids chemicals or gases fumes See List of Hazardous Substances P 27 4 DO NOT disassemble or modify 5 Place on a level surface Attempting to disassemble or modifiy this unit in any way may result in malfunction fire or electric shock Place unit on a level and even surface Failure to do so may result in abnormal vibrations or noise and damage to the refrigerat...

Страница 10: ...drop causing degraded cooling and temperature control performance 8 Install in a safe well ventilated area In the event of an earthquake or other unforeseen incident equipment may unexpectedly shift or fall causing injury Taking preventative steps to install unit in a safe location away from room access doors and out of harm s way is strongly recommended Install unit so that side panel heat vents ...

Страница 11: ... in fire or electric shock Contact a local dealer or Yamato sales office for information about replacing power cable if it is damaged Always connect power cable to appropriate facility outlet or terminal 10 Coolant hose connections When connecting to an external target device secure all hose connections adequately to prevent leaks Closing the circulation path with a solenoid valve or throttle valv...

Страница 12: ...water as coolant Degraded unit performance and or pump overload may be caused by using heavy or viscous coolants such as Fluorinert by 3M GALDEN by Daitoku Tech etc Never use the following substances in CF unit 1 Corrosive chemicals 2 Solutions which become corrosive when heated such as Fluorinert by 3M etc 3 Solutions which emit harmful fumes such as methanol If an antiseptic agent is to be used ...

Страница 13: ...nfirm flow direction and make connections accordingly Be sure that circulation lines are the minimum required lengths Flow resistance increases while cooling efficiency is decreased in relation to longer circulation line length See reference data on P 16 and specifications on P 25 for pump capacity Be sure to use proper hoses in circulation lines DO NOT connect circulation lines to gas or water pl...

Страница 14: ...y immersed and level reaches indication arrow When adding coolant be sure to remove the overflow cap from the left side of unit and place an appropriate basin beneath overflow outlet Turn on power and pump switch to begin circulating coolant Confirm that fluid circulates normally Coolant level in reservoir will decrease as coolant circulates to external device Add coolant as needed When coolant is...

Страница 15: ...t Overview Reservoir Cover Coolant Reservoir Control Panel Intake Filter Rating Production Warning Stickers Power Switch ELB Rubber Foot Outlet w hose fitting stop valve φ10 5mm Return w hose fitting φ10 5mm Power Cable w plug Drain Overflow ...

Страница 16: ... Item Function Temperature controller Control temperature of coolant reservoir with SEL key and up down arrow keys Range 20 to 30 C Refrigeration switch Turns refrigeration system ON OFF Pump switch Turns circulation pump ON OFF ON OFF REFRIG PUMP ...

Страница 17: ...eration approximately 3 minutes 30 seconds from moment refrigeration switch is turned ON This delay is NOT a malfunction failure There may be a slight time lag in relation to C1 lamp on off and refrigeration system activation deactivation ポンプ 冷凍機 切 入 SEL 4 Turn on circulation pump After confirming connections are secure and reservoir is filled to the proper level turn the pump switch ON Be sure th...

Страница 18: ...l load none power supply 100V AC CPM 50Hz cooling capacity characteristics 50 60Hz flow rate lift Coolant 60 solution of ethylene glycol cooling capacity characteristics tap water flow rate lift Coolant quantity 3L Lift conversion 1 0MPa 10kg cm2 100 0m Cooling Capacity Cooling Characteristics 0 100 200 300 400 500 600 20 10 0 10 20 30 液温 冷却能力 W External device load range Cooling Capacity in watts...

Страница 19: ...10 5mm Tap Water at 20 C 0 1 2 3 4 5 6 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 Flow Rate liters min Input Power 100V 50Hz Input Power 100V 60Hz Lift in meters 60 Ethylene Glycol Solution at 20 C 0 1 2 3 4 5 6 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 Input power 100V 50Hz Input Power 100V 60Hz Lift in meters Flow Rate liters min ...

Страница 20: ... C Ignition Point 439 C Specific Gravity at 20 C 0 7893 Specific Heat at 20 C 0 579cal g C Viscosity 1 0826cp at 25 C Naiburain Product Name Characteristic Z1 Z1 K RH NFP 50Wt 100 Wt 50Wt 100 Wt 50Wt 100 Wt Boiling Point in C 104 117 105 118 102 107 Specific Resistance in Ω cm at 25 C 625 1250 270 440 530 970 Conductivity in S m 1 at 25 C 0 160 0 080 0 370 0 227 0 189 0 103 Steam Pressure KPa at 2...

Страница 21: ... 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 damage injury or death Wash coolant reservoir before use Although CF units are cleaned thoroughly before shipping from Yamato s manufacturing facility washing o...

Страница 22: ...ar and tear Thermal protection switch To keep circulation pump from overheating and burning out CF301 units feature a thermal protection switch which trips and cuts power to circulation pump when motor temperature becomes excessive Pump automatically restarts after sufficiently cooling down Frost deposits Frost may form around unit outlet and return ports depending on operation and external temper...

Страница 23: ...ble 2 Turn power switch ON 3 Depress the red test switch with a fine point object such as a ballpoint pen etc 4 If power switch turns OFF without delay it is functioning normally Clean filter condenser fins regularly A clogged intake filter and condenser fins will degrade cooling performance and may result in refrigeration system malfunction Intake filter maintenance and cleaning intervals will va...

Страница 24: ...n material approximately once every 2 two years to keep unit in proper working order Call a local dealer or Yamato sales office for replacements Change coolant regularly Change coolant fluid entirely every 3 months for tap water ethanol solutions or every 6 months for Naiburain solutions Dust hair algae mineral deposits and other substances may accumulate in circulation pump if the above guideline...

Страница 25: ...ts and materials comprising CF301 units are listed in the table below Component Composition Main Casing Galvanized steel paneling with baked on melamine resin coating Coolant reservoir Stainless steel Cover Stainless steel Resin Production stickers Polyester PET resin film Corner bumpers Alkylbenzenesulfied ABS resin Rubber feet Synthetic rubber Electrical Switches Relays Resin composites etc Powe...

Страница 26: ... will not restart Refrigeration system is in overload Turn off refrigeration switch immediately see possible causes for temperature does not fall above and turn on refrigeration system again after several minutes Coolant fluid does not circulate Outlet stop valve is closed Circulation path is closed restricted or otherwise obstructed Coolant fluid is too heavy or viscous Error Table Error Sign Cau...

Страница 27: ...d 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 CF301 NeoCool chillers Repair parts is defined as components which when installed allow for continued unit operation See productio...

Страница 28: ...culation nozzle Outer diameter 11mm discharge and return with hose fitting Circulation pump Magnetic pump 10 15W Reservoir Material SUS304 Dimensions 151 151 177mm φ300 235mm φ370 400mm Capacity Approx 4L Fluid capacity 3L Safety devices Electric leakage breaker Refrigeration overload relay maintenance circuit Pump thermal protection switch Refrigeration system ON delay timer Other functions Overf...

Страница 29: ...n condenser S1 Refrigeration switch C2 Start condenser S2 Pump switch FM1 FM2 Fan motor X1 Relay RF Refrigeration unit P Pump TF Transformer TM1 Terminal OLP Over load protector Replacement Items Item Part No Specification No Manufacturer 1 Filter CF30140200 CF301 40200 Yamato 2 Drain Cap CF30140190 CF301 40190 Yamato 3 Overflow Cap FE72T41000 FE72T 41000 Yamato ...

Страница 30: ...m 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 ...

Страница 31: ...t which is not expressly mandated by this manual Doing so may result in equipment malfunction serious personal injury or death Notice 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 NeoCool Circulator Model CF301 Second Editio...

Отзывы: