Thermo Scientific Precision Model 818 Incubator
User ManualThermo Scientific PrecisionModel 818 IncubatorPlant Growth Chamber - Microprocessor ControlledOperating and Maintenance Manual 7013758 Rev. 0Visit us online to register your warrantywww.thermoscientific.com/labwarranty
PrefaceCovered in this manual:Catalog Number (Model)Volume(L /cu. ft.)VoltagePR505755L (3759)504/17.8120VPR505750L (3758)504/17.8230VManual Number 70137580400964/3/15Original - new cabinet size, technical dataccsRevECR/ECNDateDescriptionByThermo ScientificPlant Growth Chamberi
PrefaceCAUTIONContains Parts and AssembliesSusceptible to Damage byElectrostatic Discharge (ESD)Important Read this instruction manual. Failure to read, understand and follow the instructions in this manualmay result in damage to the unit, injury to operating personnel, and poor equipment performance. sCaution All internal adjustments and maintenance must be performed by qualified service personnel. sWarning If the growth chamber is not used in the manner specified in this operating manual, the protectionprovided by the equipment design may be impaired. sWarning Hot/warm surface(s) can occur. Depending on ambient termperature and settings, surface can becomewarm (up to 60 C). sMaterial in this manual is for information purposes only. The contents and the product it describes are subjectto change without notice. Thermo Fisher Scientific makes no representations or warranties with respect to thismanual. In no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related tothe use of this manual. 2015 Thermo Fisher Scientific. All rights reserved.iiPlant Growth ChamberThermo Scientific
PrefaceImportant operating and/or maintenance instructions. Read the accompanying text carefully.Potential electrical hazards. Only qualified persons should perform procedures associated with thissymbol.Equipment being maintained or serviced must be turned off and locked off to prevent possible injury.Marking of electrical and electronic equipment, which applies to electrical and electronic equipmentfalling under the Directive 2002/96/EC (WEEE) and the equipment that has been put on the marketafter 13 August 2005.This product is required to comply with the European Union’s Waste Electrical & ElectronicEquipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol. Thermo FisherScientific has contracted with one or more recycling/disposal companies in each EU Member StateEuropean Country, and this product should be disposed of or recycled through them. Furtherinformation on Thermo’s compliance with this directive, the recyclers in your country and informationon Thermo Scientific products will be available at www.thermoscientific.com.4Always use the proper protective equipment (clothing, gloves, goggles, etc.)4 Always dissipate extreme cold or heat and wear protective clothing.4 Always follow good hygiene practices.4 Each individual is responsible for his or her own safety.Thermo ScientificPlant Growth Chamberiii
PrefaceDo You Need Information or Assistance onThermo Scientific Products?If you do, please contact us 8:00 a.m. to 6:00 p.m. (Eastern Time) rmofisher.comwww.unitylabservices.comDirectToll Free, U.S. and CanadaFAXInternet Worldwide Web Home PageTech Support Email AddressCertified Service Web PageOur Sales Support staff can provide information on pricing and give you quotations. We cantake your order and provide delivery information on major equipment items or makearrangements to have your local sales representative contact you. Our products are listed on theInternet and we can be contacted through our Internet home page.Our Service Support staff can supply technical information about proper setup, operation ortroubleshooting of your equipment. We can fill your needs for spare or replacement parts orprovide you with on-site service. We can also provide you with a quotation on our ExtendedWarranty for your Thermo Scientific products.Whatever Thermo Scientific products you need or use, we will be happy to discuss yourapplications. If you are experiencing technical problems, working together, we will help youlocate the problem and, chances are, correct it yourself.over the telephone without a servicecall.When more extensive service is necessary, we will assist you with direct factory trainedtechnicians or a qualified service organization for on-the-spot repair. If your service need iscovered by the warranty, we will arrange for the unit to be repaired at our expense and to yoursatisfaction.Regardless of your needs, our professional telephone technicians are available to assist youMonday through Friday from 8:00 a.m. to 6:00 p.m. Eastern Time. Please contact us bytelephone or fax. If you wish to write, our mailing address is:Thermo Fisher Scientific401 Millcreek Road, Box 649Marietta, OH 45750International customers, please contact your local Thermo Scientific distributor.ivPlant Growth ChamberThermo Scientific
PrefaceWarranty NotesInformation You Should Know Before Requesting Warranty Service Locate the model and serial numbers. A serial tag is located on the unit itself. For equipment service or maintenance, or with technical or special application inquiries, contact TechnicalServices at 1-800-438-4851 or 1-740-373-4763 (USA and Canada). Outside the USA, contact your localdistributor.Repairs NOT Covered Under Warranty Calibration of control parameters. Nominal calibrations are performed at the factory; typically 1 C fortemperature, 1% for gases, and 5% for humidity. Our service personnel can provide precise calibrations asa billable 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 toequipment materials. Service calls for improper installation or operating instructions. Corrections to any of the followingare billable services:1) electrical service connection2) tubing connections3) gas regulators4) gas tanks5) unit leveling6) room ventilation7) adverse ambient temperature fluctuations8) any repair external to the unit Damage resulting from accident, alteration, misuse, abuse, fire, flood, acts of God, or improperinstallation. Repairs to parts or systems resulting from unauthorized unit modifications. Any labor costs other than that specified during the parts and labor warranty period, which mayinclude additional warranty on CO2 sensors, blower motors, water jackets, etc.Thermo ScientificPlant Growth Chamberv
Table of ContentsThermo ScientificSection 1Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1Unpacking and Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2Explanation of Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . .1-5Explanation of Auxiliary Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7Instrumentation Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8Section 2Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2Section 3Operation and Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1To Lock the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6To Unlock the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7Adjusting the Intake and Exhaust Ports . . . . . . . . . . . . . . . . . . . . . .3-10Section 4Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1Symptoms and Possible Causes . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3Section 5Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1General Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1Section 6Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1RS232 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1Setting Up the Incubator for Communication . . . . . . . . . . . . . . . .6-2Setting up the Computer for Communication . . . . . . . . . . . . . . . .6-5Using the Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5Section 7Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1Section 8Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-2Plant Growth Chambervi
Section 1IntroductionYour satisfaction and safety are important to Thermo and a completeunderstanding of this unit is necessary to attain these objectives.Warning As a routine laboratory precaution, always wear safety glasseswhen working with this apparatus. sThis product is not intended, nor can it be used, as a sterile or patientconnected device. In addition, this apparatus is not designed for use inClass I, II or III locations as defined by the National Electrical Code.Unpacking andDamageSave all packing material until unit is put into service. This merchandisewas carefully packed and thoroughly inspected before leaving our factory.Responsibility for safe delivery was assumed by the carrier upon acceptanceof the shipment; therefore, claims for loss or damage sustained in transitmust be made upon the carrier by the recipient as follows:1. Visible Loss or Damage: Note any external evidence of loss or damageon the freight bill, or express receipt, and have it signed by the carrier'sagent. Failure to adequately describe such external evidence of loss ordamage may result in the carrier's refusing to honor your damageclaim. The form required to file such claim will be supplied by thecarrier.2. Concealed Loss or Damage: Concealed loss or damage means loss ordamage which does not become apparent until the merchandise hasbeen unpacked and inspected. Should either occur, make a writtenrequest for inspection by carrier's agent within fifteen (15) days of thedelivery date; then file a claim with the carrier since the damage is thecarrier's responsibility.If you follow the above instructions carefully, we will guarantee our fullsupport of your claim to be compensated for loss or concealed damage.Note Do not - for any reason - return this unit without first obtainingauthorization. In any correspondence to Thermo, please supply thenameplate data, including catalog number and serial number. sThermo ScientificPlant Growth Chamber1-1
Section 1IntroductionGeneral InformationThe growth chamber has been commonly referred to as the standardmodel 818.The PR505750L can be converted for operation on 200V or 240V bychanging the input connections to the autotransformers (see wiringdiagram at the end of this manual).The PR505750L/PR505755L Plant Growth Chamber has been designedto provide the ultimate in temperature control. The user is assured ofdependable and precise performance through the use of microprocessortechnology in the temperature control circuitry. This growth chamber isoperable in the range of -10 to 50 C without illumination, and 10 C to 50 C with illumination. These temperature ranges will meet a widevariety of applications, such as BOD determination, general incubation,as well as the preservation of critical materials.Performance Data*with door illumination switch onUniformity values:SetTemperature deviationtemperature from set value, spatial(3 point measurement)Uniformity values:Temperature deviationfrom set value, spatial(27 point measurementaccording to DIN 12880)Temperature stability:Maximum temperatureEnergydifference at chamberconsumptioncenter point (1 pointmeasurement)Heat up time / Cooldown time fromambient temperatureaccording to DIN12880Recovery timeafter door opening according toDIN 12880-10 C 0.8 C 1.3 C 0.25 C 0.3 kWca. 80 minca. 10 min 10 C 0.6 C / 0.2 C 1.9 C / 1.3 C 0.25 C 0.54 kW / 0.52 kWca. 54 min.*ca. 4 min. 20 C 0.5 C / 0.2 C 1.8 C / 0.9 C 0.20 C 0.55 kW / 0.49 kWN/AN/A 50 C 0.25 C / 0.15 C 1.1 C / 0.9 C 0.15 C 0.56 kW / 0.51 kWca. 100 min. *ca. 42 min. *Note The above performance figures are based upon the following operating conditions:- Ambient temperature of 22 C, 3 C- Line voltage 120V, 5% (120V version) and 230V, 5V (230V version)The following test protocols have been used:3 point measurement test: 1 thermocouple sensor in center of each shelf - 1 shelf top position, 1 shelf lowestposition, 1 shelf middle position27 point measurement test: 9 x thermocouples on each shelf - 1 shelf top position, 1 shelf lowest position, 1shelf middle position (based on DIN 12880)1 point measurement test: 1 thermocouple at chamber center point (temporal temperature variationcharacterized by the maximum temperature difference)1-2Plant Growth ChamberThermo Scientific
Section 1IntroductionTheory of OperationThe refrigeration system, defrost heater, and air circulating fan are used inconjunction with a microprocessor controlled proportioning circuit toachieve sensitive temperature control. An RTD (Resistance TemperatureDetector) located in the airstream senses any temperature deviation fromthe control point, and heat is provided proportionally to maintain thedesired temperature. Regardless of what temperature is being maintained,the compressor operates continuously. This constant operation alleviatescomponent failures associated with cycle type operation.The circulating fan provides even air distribution throughout the chamberand ensures temperature uniformity.The program mode of PR505750L/PR505755L plant growth chamberallows the user to program into memory 2 sets of values for time, setpointtemperature, and light condition per day for a full week. The following isan example of a schedule and a pictorial describing the events during thatweek. A blank schedule sheet is provided toward the end of the manual forthe user to copy, then document a schedule. It is strongly recommended todo this before any programming is performed.The growth chamber leaves the factory with a default schedule as follows:Hr11am1pmMin1 00Min2 00Set1Set220.0LGT1 OFFThermo ScientificHr220.0LGT2 OFFPlant Growth Chamber1-3
1-4Plant Growth Chamber2 AMFRIDAY1 AM3AMTHURSDAYSATURDAY4 AM3 AMTUESDAY WEDNESDAY2 AM1 NOFFONOFFLIGHTON/OFF3 PM4 PM5 PM6 PM5 PM4 PM3 PMHOURSAM/PMSAMPLE SCHEDULE FSection 1IntroductionThermo Scientific
Section 1IntroductionExplanation of FrontPanel Controls1) AM/PM Lamps - These two green indicator lamps inform the user asto the12-hour time period of the day.2) Time Display - This four-digit display indicates the time of day. In theprogram mode, this display shows what parameter is beingprogrammed.3) Day-of-the-Week Lamps - These seven green indicators show what dayit is.4) Mode Lamps - These two indicators inform the user whether thegrowth chamber is in a continuous mode of operation, or a programmode of operation (timed sequence).5) Temperature Display - This four-digit display indicates the growthchamber chamber temperature. Also, during programming, it displaysthe value prompted by the time display.6) Heater On Lamp - This lamp is illuminated when power is applied tothe heater.7) High/Low Temperature Lamps - These lamps will illuminate if thegrowth chamber's chamber temperature exceeds the high or low limittemperatures.8) Locked Lamp - This lamp will illuminate if the user has locked thekeyboard to avoid accidental changing of parameters.423715619171891615131114Thermo Scientific81012Plant Growth Chamber1-5
Section 1Installation and Start-UpExplanation of FrontPanel Controls (cont.)9) Light On/Off Lamps - These two lamps indicate the status of theinternal light (whether it is on or off) during operation.10) Enter Key - This key is used after any setpoint selection is made toenter the value into memory.11) Program Key - When the program mode is selected with the SET key,the PROGRAM key will prompt the user to enter program valuesstarting with SUNDAY.A blank schedule sheet is provided toward the end of this manual so theuser can predetermine the weeks program. Use of the schedule sheet isstrongly recommended before any programming is started.12) Set Key - This key has two functions. The first being to select thecontinuous or program mode of operation. The second being to selecta setpoint temperature if the continuous mode of operation has beenselected.13) Up/Down Arrow keys - These keys are used to increase or decrease adesired value.14) REPEAT KEY - This key is a time saver key. When in the programmode, pressing this key will duplicate the program setting from thecurrent day to the other 6 days.15) CAL KEY - This key is used to calibrate the growth chamber to acertified/traceable thermometer.16) Mute Key - This key is used to silence the internal audible alarm andto also deactivate the external alarm device if one is being used.17) Light Key - This key, in Continuous mode, will turn the internal lighton or off. In Program mode, this key is disabled. The internal light willnot be allowed to operate at a setpoint temperature below 10 degrees ineither the Continuous or Program mode.18) Lock Key - This key is used to enable or disable the keyboard.19) Clock Key - This key is used to select the day, hours, and minutes.1-6Plant Growth ChamberThermo Scientific
Section 1Installation and Start-UpExplanation of AuxiliaryPanelOn the left side of the growth chamber control panel there is an auxiliarypanel which has the items shown in the figure on the next page. They aredescribed as follows:1) Fuse - This fuse is in line with the main power cord that comes intothe growth chamber. The rating of this fuse is printed above the fuseholder. The physical size of this fuse is 5mm x 20mm.2) Alarm Relay - This Alarm Relay output is provided to the user for thepurpose of remotely monitoring the growth chamber in case of a highor low temperature alarm condition. This alarm relay will operate justas the audible alarm would. The contact itself is an isolated form C(normally open/normally closed) dry contact. This contact is to beused for low voltage class 2 connections only. The contact rating is 24volts, 1.25 amps resistive. Typical usages of the output are shownbelow.In this configuration, the light will illuminate whenever the unit goes intoan alarm condition, High or Low.In this configuration, the light will go off in a high or low temperaturealarm condition.Note Wiring must conform to all local electrical codes. sThermo ScientificPlant Growth Chamber1-7
Section 1Installation and Start-UpExplanation of AuxiliaryPanel (continued)3) RS-232 Output (Optional Kit P/N 3166245) -This output is used fortwo way communications between the growth chamber and a personalcomputer. With the use of a communications/modem softwareprogram, the user can record the temperature of t
Thermo Scientific Precision Model 818 Incubator . Thermo Scientific Manual Number 7013758 0 40096 4/3/15 Original - new cabinet size, technical data ccs Rev ECR/ECN Date Description By .
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