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Thermo Scientific Precision
Model 818 Incubator

Plant Growth Chamber - Microprocessor Controlled

Operating and Maintenance Manual 7013758 Rev. 1

Содержание PR505750L

Страница 1: ...to register your warranty www thermoscientific com labwarranty User Manual Thermo Scientific Precision Model 818 Incubator Plant Growth Chamber Microprocessor Controlled Operating and Maintenance Manu...

Страница 2: ...g 0 40096 4 3 15 Original new cabinet size technical data ccs Rev ECR ECN Date Description By Preface Plant Growth Chamber i Catalog Number Model Volume L cu ft Voltage PR505755L 3759 504 17 8 120V PR...

Страница 3: ...ided by the equipment design may be impaired s Warning Hot warm surface s can occur Depending on ambient termperature and settings surface can become warm up to 60 C s Material in this manual is for i...

Страница 4: ...oduct is required to comply with the European Union s Waste Electrical Electronic Equipment WEEE Directive 2002 96 EC It is marked with the WEEE symbol Thermo Fisher Scientific has contracted with one...

Страница 5: ...eds for spare or replacement parts or provide you with on site service We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products Whatever Thermo Scientific...

Страница 6: ...llable service at your location Calibration after a warranty repair is covered under the warranty Damage resulting from use of improper quality water chemicals or cleaning agents detrimental to equipm...

Страница 7: ...8 Installation 2 1 Safety Precautions 2 2 Operation and Calibration 3 1 To Lock the Keyboard 3 6 To Unlock the Keyboard 3 7 Adjusting the Intake and Exhaust Ports 3 10 Service 4 1 Troubleshooting 4 1...

Страница 8: ...1 Visible Loss or Damage Note any external evidence of loss or damage on the freight bill or express receipt and have it signed by the carrier s agent Failure to adequately describe such external evid...

Страница 9: ...viation from set value spatial 27 point measurement according to DIN 12880 Temperature stability Maximum temperature difference at chamber center point 1 point measurement Energy consumption Heat up t...

Страница 10: ...s even air distribution throughout the chamber and ensures temperature uniformity The program mode of PR505750L PR505755L plant growth chamber allows the user to program into memory 2 sets of values f...

Страница 11: ...0 ON SUNDAY 1 AM 00 20 0 OFF 3 PM 00 40 0 ON FRIDAY 2 AM 00 10 0 ON 4 PM 00 20 0 OFF SAMPLE SCHEDULE SHEET HOURS MINUTES SETPOINT LIGHT HOURS MINUTES SETPOINT LIGHT AM PM TEMPERATURE ON OFF AM PM TEM...

Страница 12: ...quence 5 Temperature Display This four digit display indicates the growth chamber chamber temperature Also during programming it displays the value prompted by the time display 6 Heater On Lamp This l...

Страница 13: ...a setpoint temperature if the continuous mode of operation has been selected 13 Up Down Arrow keys These keys are used to increase or decrease a desired value 14 REPEAT KEY This key is a time saver ke...

Страница 14: ...w temperature alarm condition This alarm relay will operate just as the audible alarm would The contact itself is an isolated form C normally open normally closed dry contact This contact is to be use...

Страница 15: ...ommended main use of this is with a chart recorder having an input impedance of at least 1M ohm The scaled temperature output change is 10mV C When the growth chamber is operating at a negative temper...

Страница 16: ...F as the compressor thermo overload will be tripped and will result in a wide band control cycle of approximately 4 C Such cycling should not be misinterpreted as a malfunction of the electronic cont...

Страница 17: ...ker in use Caution Be sure the power supply is the same voltage as specified on the nameplate s When loading the growth chamber a space of 1 2 must be allowed between adjacent items in the chamber Thi...

Страница 18: ...thin 15 seconds the displays will return to their previous state Using either the up or down arrow keys the user can select the correct hour of the day After the correct hour has been selected ENTER m...

Страница 19: ...ect the day While using the up or down arrow keys observe the seven day of the week lamps for selecting the correct day After the correct day has been selected press ENTER and the growth chamber will...

Страница 20: ...ke some time to study the sample schedule sheet provided on page 1 4 For each day there are eight items which must be programmed and are as follows Hour 1 AM or PM Minute 1 Setpoint Temperature 1 Ligh...

Страница 21: ...or setting the clock but note the AM PM lamps After your selection is displayed press the ENTER key and the displays will change to the following Use the up or down arrow keys to select your choice fo...

Страница 22: ...e for the setpoint you want the growth chamber to switch to a your second hour and minute you have chosen After your selection is displayed press the ENTER key and the displays will change to the foll...

Страница 23: ...out a half second the displays will return to normal operation E All of the days program schedules will be the same as the present day 5 Lock Key The keyboard may be locked to prevent inadvertent chan...

Страница 24: ...e CALIBRATE key should be used ONLY to match a stable growth chamber s actual temperature to the calibrated thermometer Place a calibrated thermometer or the probe of one at the center of the third sh...

Страница 25: ...r 2 minutes the low alarm temperature will go off along with the compressor This is not a real alarm failure If the door is left open long enough for this to occur then the door must be closed sooner...

Страница 26: ...displays will change to the following This is the value for the alarm band the amount of temperature deviation allowed before either the high or low delay timers are started Use the up or down arrow...

Страница 27: ...amber will return to normal operation at this point The exhaust port is the top port on the door Open it slightly by turning it counterclockwise to permit exhausting of chamber air The intake port is...

Страница 28: ...ubators Your equipment has been thoroughly tested and calibrated before shipment Regular preventive maintenance is important to keep your VOJU functioning properly The operator should perform routine...

Страница 29: ...ic temperature control First the symptoms and possible causes will be listed for quick reference Possible solutions will be suggested later Warning Hazardous high voltage conditions exist inside the c...

Страница 30: ...1 Low line voltage less than 110V see Solution 9 RTD Temperature Probe see Solution 3 Step D and or Solution 4 Power Supply PCB Assembly see Solution 3 Overcharged compressor see Solution 11 Differen...

Страница 31: ...ndicates an open circuit it may or may not be open In series with the heater is a thermal overload switch It might be that this thermal overload is open and not the heater To check the heater and ther...

Страница 32: ...urements will be DC voltage measurement so a DC scale of at least 10 volts should be selected Connect the negative lead to TP2 This is DC ground Also locate the terminal block TB1 B This first section...

Страница 33: ...lamp on the front panel It should be on continuously not flashing 2 Measure the voltage at U1 Pin 2 with respect to TP2 It should be no greater than 4 volts DC 3 Measure the DC voltage across R4 sinc...

Страница 34: ...racket attached on the rear wall and near the top of the chamber Two tube shaped clips securely support the RTD probe into place The RTD must be inserted fully into its support bracket 6 Constantly Ex...

Страница 35: ...chamber temperature will be affected Correct as necessary Caution The growth chamber should not be operated in an environment where the ambient temperature exceeds 90 F as the compressor thermo overlo...

Страница 36: ...ambient temperatures or in any manner that increases moisture buildup within the chamber an appropriate defrosting schedule must be determined Defrosting is accomplished by turning the growth chamber...

Страница 37: ...n the RS232 PCB assembly see sketch 6 Replace the control panel and secure with the eight 8 screws The RS232 PCB provides a bi directional communication port that will allow the user to monitor the pe...

Страница 38: ...ication software selected to be used B Status Update Time Interval This is the time between information being sent from the growth chamber until it is received by the computer C Status Display Type Se...

Страница 39: ...shown in the display Choose the number appropriate for the Baud Rate desired 3 300 6 600 12 1200 24 2400 48 4800 96 9600 Press the UP or DOWN key until the display shows your selection Press ENTER The...

Страница 40: ...into a spreadsheet 1 Used for a multi line format with English headings with continuous screen 2 Used for the format as 1 but preceded by a clear screen command used by terminals or computers running...

Страница 41: ...1 COM Port Selected by user Format ASCII The growth chamber transmits information on its RS232 port as long as the status update time interval is not 0 0 If you start your communication software with...

Страница 42: ...d ENTER Return Example 1 To change Setpoint Temperature to 25 0 C type T25 0 CR Example 2 To change Setpoint Temperature to 8 C type T 8 CR A Actual Temperature The actual temperature within the growt...

Страница 43: ...5 5 0 Minutes 6 10 0 Minutes 7 30 0 Minutes 8 60 0 Minutes V EPROM Version Number The growth chamber software version level D Status Display Type Selection of format that data is sent to your compute...

Страница 44: ...requency 120V 60Hz 230V 60Hz 230 50Hz Power rating 720 W 720 W 720 W Max current 6 8 A 3 4 A 3 4 A Plug type 120V Nema 5 15P 230V Nema 6 15P China Plug Max BTU output 2220 650W Access port diameter mm...

Страница 45: ...gory used for instruments in installations supplied from a supply comparable to public mains such as hospital and research laboratories and most industrial laboratories the expected transient overvolt...

Страница 46: ...TO CPU 3176761 CABLE ASS Y CPU TO INT 3176762 CABLE ASS Y INT TO PWR 3176763 BALLAST ASS Y 3167073 FUSE KIT 10 AMP 115V 3167218 FUSE HOLDER KIT 115V 3167216 FUSE HOLDER KIT 230V 3167217 CORD W PLUG 1...

Страница 47: ...e Parts Accessories Name Part Number Glass Thermometers 3173710 RS232 Interface Kit 3166245 Digital Chart Recorder 3166207 Chart Paper 100 sheets 3174255 Access Port Stopper 3167215 Shelf includes fal...

Страница 48: ...Plant Growth Chamber 9 1 Thermo Scientific WIRING DIAGRAM 818 INCUBATOR 115V 3167073 3177654 3166245 3176817 3176818 3176825 3176756 3176816 3175264...

Страница 49: ...9 2 Plant Growth Chamber Thermo Scientific 5 1 5 0 1 8 725 9...

Страница 50: ...SCHEDULE SHEET HOURS MINUTES SETPOINT LIGHT HOURS MINUTES SETPOINT LIGHT AM PM TEMPERATURE ON OFF AM PM TEMPERATURE ON OFF WEDNESDAY SATURDAY FRIDAY THURSDAY TUESDAY MONDAY SUNDAY...

Страница 51: ...mo Fisher Scientific and its subsidiaries Specifications terms and pricing are subject to change Not all products are available in all countries Please consult your local sales representative for deta...

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