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1. 21 Wining 22 Ordering Procedures 24 Decontamination Statement sssini nirman aTe a aa ETa ERATEN A TEA a NERAN Eai 25 Two Year Limited Warranty 28 Model 302 Description Barnstead Lab Line Imperial General Purpose Incubators are useful in all types of general incubating and paraffin imbedding Cabinets are made of heavy gauge steel with a powder coated finish for optimum appearance and easy cleaning while the interior walls are stainless steel to spread warm wall radiant heat evenly throughout the chamber Heaters are in direct contact with chamber walls to allow close temperature control and quick recovery after door open ings This arrangement also minimizes temperature gra dients and offers a large working area in the chamber A double set of doors the inner of tempered glass per mits unobstructed viewing of chamber contents without disturbing the interior environment Slide out shelving can be positioned to meet user requirements A PID microprocessor based controller maintains cham ber temperature An over temperature safety thermostat controls temperature in the event of primary control fail A status lamp above each control is lit when the respective control is maintaining power to the heaters Incubators are available in three sizes A grounded 3 prong
2. 9 Setting Operating Temperature Thermostat 10 Temperature Controller 10 TUNO 11 Temperature Calibration 12 Troubleshooting 14 AITO MAN CO 15 Checking Controls 15 15 Care Cleaning of Stainless Steel 15 The Alloy Called 5 4 024 1 00000000 scenes eeeaeeedeaeee 15 Stainless GuidelinesS 16 The PH Factor tebe ERE 16 Special Considerations ea 17 Cleansing 17 Cleaning di annie ee ele 17 Materials Effective 18 Servicing eles 19 Heater 19 Thermostat 19 Switch Status Lamp Replacement 19 Replacing Temperature Controller 20 Replacement
3. Barnsteadinternational Imperial III General Purpose Incubators Series 1464 1465 1466 Model No Gravity Convection 302 302 1 305 305 1 310 310 1 Mechanical Convection 305M 305M 1 310M 310M 1 LT1465X3 3 14 06 Table Contents 52 ee eee 3 Safety Information dle is ne ee ee 4 Alert 4 ees 5 Electrical 2 5 5 Shipping 5 Unit DIMONSIONS testes 5 Environmental Conditions 6 Unpacking Installation 2 4 1 E EEE EAE EEA AEE E REEE 7 Shipping ai a 7 LO CAUION N 7 MOVING 7 shelf installation inn ld 7 DST AU ORY 9 Control Panel 22 9 Stan
4. b Press on the bezel side grips until the bezel tabs release c Slowly pull controller from housing To install new factory configured controller a Carefully slide new controller into controller housing b Press controller bezel into controller housing until bezel tabs securely lock controller into place Plug incubator into outlet power supply Place ON OFF switch in ON position Replacement Parts DESCRIPTION Fan Blade M Series Cordset Gasket Body Models 302 Series Models 305 Series Models 310 310 1 2 Gasket Outer Door Models 302 Series Models 305 Series Models 310 310 1 2 Inner Door Tempered Glass Model 302 Model 305 2 Model 310 310 1 2 Motor 305M 305M 1 310M 310M 1 310M 1CE Receptacle 120 V Models 305 310 Receptacle 240 V Models 305 1 310 1 Shelves Models 302 amp 302 1 2 Models 305 305 1 3 310 amp 310 1 6 DESCRIPTION Status Lamp Base 2 Status Lamp Lens Amber Status Lamp Lens Red Switch Power 120V Switch Power 240V Thermostat Over temperature Configured Temperature Controller RTD Temp Sensor Circuit Breaker 5 Amps Circuit Breaker 10 Amps Wiring Diagrams Models 302 305 310 305M 310M Models 302 1 305 1 310 1 305M 1 310M 1 PART NUMBER 160 136 00 470 105 00 530 186 00 530 182 00 530 182 00 530 185 00 530 181 00 530 181 00 540 177 00 540 176 00 540 176 00 1465 1 420 03
5. 240 50 60 0 7 400 305 120 50 60 3 3 400 1 electrical outlet 120V 500W total load 305M 120 50 60 3 7 400 1 electrical outlet 120V 500W total load 305 1 240 50 60 1 7 400 1 electrical outlet 120V 500W total load 305M 1 240 50 60 1 7 400 1 electrical outlet 120V 500W total load 310 120 50 60 5 0 600 1 electrical outlet 120V 500W total load 310M 120 50 60 5 8 600 1 electrical outlet 120V 500W total load 310 1 230 240 50 60 2 5 600 1 electrical outlet 120V 500W total load 310M 1 230 240 50 60 2 5 600 1 electrical outlet 120V 500W total load Temperature Range Slightly above ambient to 65 C Shipping Weight 302 Models 75 Ibs 34 kg 305 Models 120 Ibs 55 kg 310 Models 215 Ibs 98 kg Unit Dimensions INSIDE OUTSIDE 302 Models 13 W x 17 D x 20 H 16 W x 21 D x 29 5 H 33 x 43 x 51 cm 41 x 53 x 75 cm 305 Models 17 W x 21 D x 25 H 20 W 25 D x 34 5 H 43 x 53 x 64 cm 51 x 64 x 88 cm 310 Models 37 W x 21 D x 25 H 40 5 W x 25 D x 34 5 H 94 x 53 x 64 cm 103 x 64 x 88 cm USABLE VOLUME SHELVES SHELF AREA 302 Models 2 6 cu ft 2 2 8 sq ft 305 Models 5 2 cu ft 3 6 9 sq ft 310 Models 11 2 cu ft 6 13 8 sq ft SPECIFICATIONS Environmental Conditions Operating 15 C to 40 C 20 to 80 relative humidity non condensing Installation category II overvoltage in accordance with 664 Pollution degree 2 in accordance with IEC 664 Altitude Limit 2 000 meters Storage 25 C to
6. 40 mg liter disodium phosphate or sodium bicarbonate adjusting dosage to provide a pH value of 7 to 9 If not available use clean aerated soft tap water provided the total solids concentration is lt 500 PPM We do NOT rec ommend using 18 meg ohm deionized water If this is the only source of treated water available mix with regular tap water at a 50 50 ratio The pH Factor Check pH regularly If pH is lt 6 0 add disodium phos phate to increase pH to a 7 to 9 value Sodium carbonate or sodium bicarbonate may be used but they tend to form scale that must be rinsed out regularly If pH is gt 10 0 add sodium bisulfate to decrease pH to a 7 to 9 value Avoid adding harsh alkalines or acids since these may cause localized corrosion and result in unstable pH Aluminum chloride Barium chloride Calcium chloride Chlorinated Lime Citric acid boiling Dakin s solution Note The use and disposal of these chemicals may be regulated by your local city codes consult those regu lations before disposing of these materials MAINTENANCE Special Considerations WARNING If it is necessary to use the following chemi cals limit exposure time to a maximum of 3 hours Always clean surfaces immediately after use E D T A Potassium permanganate Ferrous chloride Potassium thiocyanate Lysol Sodium hypochlorite Mercury salts Stannous chloride Phenol Tartaric acid BE ADVISED Never use the following on stainless steel Aqua
7. CHAMBER ELEMENTS MODEL NUMBERS DESCRIPTION 302 1 302 1 305 1 305 1 310 1 310 1 BK1 RESETABLEFUSE 330 118 00 330 118 00 330 118 00 330 118 00 330 118 00 330 118 00 BK2 RESETABLEFUSE 330 118 00 330 118 00 330 118 00 330 18 00 330 118 00 330 118 00 BK3 RESETABLEFUSE 330 125 00 330 125 00 330 125 00 330 125 00 RESETABLEFUSE 330 125 00 330 125 00 330 125 00 330 125 00_ PWS SWITCH 440 359 00 440 359 00 440 359 00 440 359 00 440 359 00 440 359 00 FANMOTOR 1465 2 1465 2 1466 2 5 TEMPERATURE SENSOR __ 410 632 00 410 632 00 410 632 00 410 632 00 410 632 00 410 632 00 CONTROLLER CN71X134J CN71X134 CN71X134J 71 134 71 134 CN71X134 AMBERLAMP 1365 1 PL1365X1 1365 1 PL1365X1 PL1466X1 PL1466X1 HLL 0 REDLAMP 1 PL1465X2 1465 2 PL1465X2 PL1465x2 PL1465X2 PL1465X2 HLT HE LIMIT THERMOSTAT 920 301 00 920 301 00 920 01 00 920 301 00 920 01 00 920 301 00 554 SOLID STATE RELAY 400 233 00 400 233 00 400 233 00 400 233 00 400 233 00 400 233 00 23 Ordering Procedures 24 Please refer to the Specification Plate for the complete model number serial number and series number when requesting service replacement parts or in any cor
8. convenience outlet is supplied in midsize model chambers and 2 outlets are installed in larger models Models are built for either 120 VAC or 240 VAC power requirements Models 305M and 310M have the same characteristics as those listed above but in addition pro vide mechanical convection These models use a blower and plenum design to circulates the air within the cham ber that allows for rapid temperature and uniformity recov ery after door openings Safety Information Alert Signals A Warning Warnings alert you to a possibility of personal injury 9 Caution Cautions alert you to a possibility of damage to the equipment Notes alert you to pertinent facts and conditions Hot surfaces alert you to possibility of personal injury if you come in contact with a surface during use or for a period of time after use Your Barnstead Lab Line Imperial III General Purpose Incubator has been designed with function reliability and safety in mind It is your responsibility to install it in con formance with local electrical codes It is most important that the user follow installation instructions exactly as writ ten Failure to do so is likely to lead to improper opera tion erroneous calibrations and possible damage to the equipment Do not attempt operation without this informa tion Specifications Electrical Requirements Voltage Hertz Amps Watts 302 120 50 60 2 1 400 302 1
9. display again shows only the chamber temperature Temperature Calibration Place a calibrated thermometer in the approxi mate geometric center of the chamber in a posi tion that would allow it to be read through the glass door Press and hold the STAR key and using the UP or DOWN arrow key adjust the set point to the desired temperature Allow the unit to run for at least 30 minutes The controller display should now be indicating the set point temperature Make note of the ther mometer reading without opening the glass door Press and hold both arrow keys until the con troller display indicates tunE Release the arrow keys Press and release the down arrow key the display should now indicate LEUL Press and hold the STAR key and using the UP arrow key adjust the display to read 3 Release the STAR key Press and release the UP arrow key until the display indicates Zero The display should now alternate between Zero and a numerical value Thermometer Controller Reading Subtract Enter Zero value of 5 C OPERATION Using the examples shown below and the ther mometer value obtained in the previous step enter the correct Zero value into the controller by pressing the STAR key and using the UP or DOWN arrow key If there is already a Zero value present then add the new value to the one already present 60 C Thermometer 70 C 65 C Controller Reading 65
10. or change the temperature set point proceed as follows Press Controller View setpoint XV Decrease setpoint Increase setpoint A Press and hold the key and use either the UP or DOWN arrow key to adjust the set point to the desired temperature Release the STAR key B Allow at least 30 minutes for the chamber tem perature to stabilize Auto Tune The auto tune program automatically adjusts the con troller parameters to achieve optimal temperature control It is not necessary to run the auto tune program when setting up the oven However if the temperature appears to be unstable the auto tune program can be run using the procedure shown below For Best Results Set the usual set point temperature and use mal load conditions Allow the oven to stabilize at set point for at least 30 minutes Auto Tuning Procedure 1 Enter the program mode by pressing hold ing BOTH the UP and DOWN arrow keys for 3 seconds 2 Release BOTH arrow keys when tunE is dis played The controller display should now be alternating between tunE and oFF Press and hold the STAR key Press and release the up arrow key until At SP is dis played Release the STAR key After one minute has elapsed the controller dis play will begin to alternate between showing the chamber temperature tunE and At SP Allow the program to run until the
11. 0 119 00 330 119 00 330 119 00 330 119 00 BK2 RESETABLE FUSE 330 118 00 330 118 00 330 118 00 330 118 00 330 118 00 330 118 00 Pws POWER SWITCH 440 359 00 440 359 00 440 359 00 440 359 00 440 359 00 440 359 00 MTR FAN MOTOR 1465 1 11465 1 1466 1 TPS TEMPERATURE SENSOR 410 632 00 410 632 00 410 632 00 410 632 00 410 632 00 410 632 00 CTR CONTROLLER CN71X134 CN71X134 CN71X134 CN71X134 CN71X134 CN71X134 HLP AMBER LAMP PL1365X1 PL1365X1 1365 1 11365 1 1466 1 1466 1 HLL RED LAMP PL1465X2 PL1465X2 1465 2 PL1465X2 11465 2 PL1465X2 HLT HI LIMIT THERMOSTAT 920 301 00 920 301 00 920 301 00 920 301 00 920 301 00 920 301 00 SSR SOLID STATE RELAY 400 233 00 400 233 00 400 233 00 400 233 00 400 233 00 400 233 00 5 WIRING DIAGRAMS RED LAMP rr AMBER LAMP HLL HLP CONTROLLER BLK WHT HLT PWS WHT BLU RED 1 36 NOT USED ON MODEL 302 1 Sy 2 48 BK3 BK4 SSR I je or ie N 29 HAAR ale 7 i o LA my my ee 7 7 7 WHT OJ Ed O MODEL 310 1 ONLY
12. 5 Subtract 5 C Enter Zero value of 5 C When the correct Zero value has been entered press and hold the two arrow keys together until the display again indicates the chamber temper ature If the procedure was done correctly the controller display should now agree with the thermometer reading to within 0 5 C Allow the unit to run for at least 30 minutes Re check the thermometer reading the con troller display and the thermometer should agree to within 0 5 C If not repeat steps 4 5 and 6 above Troubleshooting The following is intended as a guide to help in servicing this unit if problems should occur 8 Note Before attempting any repair discon nect povver cord from outlet 8 Note A qualified controls service techni cian must perform maintenance and repairs Power switch lamp is not lit when the power switch is ON Power switch lamp is the only lit when following the directions in the previous OPERATION section Convenience outlets are not powered when unit is plugged in Possible Causes of Problem Check that unit is plugged in and that the plug is good Press the power switch to OFF and then back ON If the lamp remains unlit reset the back panel circuit breaker s by pushing in the reset button s Check the outlet to be sure power is available to the unit Using a screwdriver rotate the over temperature thermostat stem completely clockwise to highest temperatu
13. 6 00 420 214 00 810 353 01 810 352 01 360 233 01 360 235 00 360 234 00 440 359 00 440 292 00 920 301 00 CN71X34 410 632 00 330 118 00 330 119 00 LT1465X1 LT1465X1 21 Wiring Diagrams 22 REDLAMP j AMBERLAMP HLL HLP nel CONTROLLER 2 CTR d gt PWS 1 2 3 4 5 6 7 8 0 BLU 1 2 4 SSR WHT TPS E J MU WHT BLK 7 4 A WHT MODEL 310 ONLY i r Hy NE TE I NE L U 5 3 4 J C 2 N N V 2 3 8 i 2 O i O O C 6 5 i m I 4 2 Y H w J CHAMBER ELEMENTS EE MODEL NUMBERS REF DESCRIETION 302 302M 305 305M 310 310M BK1 RESETABLE FUSE ce 33
14. 65 C 10 to 85 relative humidity Unpacking and Installation Note Leave unit disconnected when not in use Shipping Carton The shipping carton should be inspected upon delivery When received carefully examine for any shipping dam age before unpacking If damage is discovered the deliv ering carrier should both specify and sign for the damage on your copy of the delivery receipt Open the carton carefully making certain that all parts are accounted for before packaging materials are discarded After unpacking if damage is found promptly report it to the carrier and request a damage inspection promptly IMPORTANT Failure to request an inspection of damage within a few days after receipt of shipment absolves the carrier from any liability for damage You must call for a damage inspection promptly Location Place the unit on a level surface protected from drafts strong air currents and large fluctuations in ambient tem perature It must be located near an electrical outlet that meets the unit nameplate requirements Allow clearance around the unit for free air convection accessory equip ment and user convenience Do not cover the vent on top of the incubator Leveling It is important that the unit is level before operation DO NOT REMOVE THE UNITS RUBBER FEET they assist proper air circulation inside and outside of the chamber Removal can result in erratic control and excessive heat build up beneath the uni
15. ODUCTS AND EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES INCLUDING BUT NOT LIMITED TO WARRANTIES OF DESIGN MERCHANT ABILITY AND FITNESS FOR A PARTICULAR PURPOSE An authorized representative of BARNSTEAD must perform all warranty inspections In the event of a defect covered by BARNSTEAD s warranty BARNSTEAD shall as its sole obligation and exclusive remedy provide free replacement parts to remedy the defective product In addition for products sold by BARNSTEAD within the continental United States or Canada BARNSTEAD shall provide provide free labor to repair the products with the replacement parts but only for a period of ninety 90 days from the Commencement Date BARNSTEAD s warranty provided hereunder shall be null and void and without further force or effect if there is any i repair made to the product by a party other than BARNSTEAD or its duly authorized service repre sentative ii misuse including use inconsistent with written operating instructions for the product mishan dling contamination overheating modification or alteration of the product by any customer or third party or iii use of replacement parts that are obtained from a party who is not an authorized dealer of BARNSTEAD Heating elements because of their susceptibility to overheating and contamination must be returned to the BARNSTEAD factory and if upon inspection it is concluded that failure is due to factors other than excessive high temperature or conta
16. cloth as necessary to remove dust fingerprints or other smudges Care and Cleaning of Stainless Steel WARNING Electrolysis can damage stainless steel This occurs when an object is allowed to rest directly on the sur face of stainless steel trapping moisture that becomes oxy gen starved but is surrounded by water containing oxygen The Alloy Called Stainless Stainless steel is an alloy of steel with chromium and nickel that increase the metal s resistance to rust and corrosion Yet if not properly cared for stainless steel can rust and cor rode Exposure to air provides the passivation or oxide layer coat ing for clean stainless by producing a thin durable chromi um oxide film that forms rapidly on the alloy surface to give 15 MAINTENANCE stainless its characteristic stainless quality Also expo sure of the surface to other oxidizing environments can produce a passivating film or coating However if free oxygen is not available due to scale or contamination buildup the metal surface may become vul nerable to rusting and corrosion as well as pitting But by maintaining neutral pH and conducting frequent cleanings with detergent and water years of trouble free service from stainless steel products can be obtained Stainless Guidelines Distilled water is recommended Please note if this water is very pure it may be corrosive to stainless When filling a bath or incubator ALWAYS add 2 to 40 ppm 20 to
17. e operator to temperature alee to arn back up the control thermostat and safeguard toxic fumes Death or severe injury the incubator may result Start Up Insert a flat blade screwdriver into the panel opening and rotate the over temperature thermostat stem completely clockwise After making sure the unit is plugged in press the power switch to ON Setting the Over Temperature Thermostat After the unit has reached set point rotate the over tem perature thermostat stem counterclockwise until the over temperature status lamp 4 is lit Then rotate it clockwise approximately 5 degrees past the point at which the lamp is no longer lit At this point the over temperature ther mostat will control heaters only at temperatures above the controller set point Temperature Controller Chamber or Setpoint Temperature Heat Indicator 17 70117 1 CONTROLLER SELF TEST When the incuba tor is powered up the controller will display 8888 along with the three decimal points and the heat ON indicator lamp The display will then blank out for 2 seconds before showing the chamber temperature 2 HEAT ON INDICATOR The heat ON indicator lamp is lit when the chamber heater is receiving power The lamp will normally flash when the chamber temperature is at set point 3 SET POINT ADJUSTMENTS temperature controller normally displays the chamber tem perature To view
18. mination BARNSTEAD will provide warranty replacement As a condition to the return of any product or any constituent part thereof to BARNSTEAD s factory it shall be sent prepaid and a prior written authorization from BARNSTEAD assigning a Return Materials Number to the product or part shall be obtained IN NO EVENT SHALL BARNSTEAD BE LIABLE TO ANY PARTY FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES OR FOR ANY DAMAGES RESULTING FROM LOSS OF USE OR PROFITS ANTICIPATED OR OTHERWISE ARISING OUT OF OR IN CONNECTION WITH THE SALE USE OR PERFORMANCE OF ANY PRODUCTS WHETHER SUCH CLAIM IS BASED ON CON TRACT TORT INCLUDING NEGLIGENCE ANY THEORY OF STRICT LIABILITY OR REGULATORY ACTION The name of the authorized Barnstead International dealer nearest you may be obtained by calling 1 800 446 6060 563 556 2241 or writing to Bx Barnsteadinternational 0 Your Lab Starts Here 2555 Kerper Boulevard Dubuque lowa 52001 9918 Phone 563 556 2241 or 800 553 0039 Fax 563 589 0516 E mail mkt barnstead com www barnstead com REGISTERED 28
19. of a variety of scale removers available at local supermarkets or hardware stores used for the cleaning of coffee marks humidifiers or vaporizers A 15 to 35 phosphoric acid solution avail able from laboratory supply distributors for scale and rust removal Allow solution to soak the surface affected until rust and scale is loosened Immediately follow with a clean water rinse Citric acid based cleaners Bathroom tub and tile cleaners A mixture of 20 nitric acid and 1 5 hydrofluo ric acid or hydrochloric acid Swab solution on surface allowing it to remain until rust is loos ened Immediately follow with a clean water rise This method should ONLY be used if SEVERE rust and scale stains are present Oxalic acid 2 to 5 in warm water Swab solution on surface allowing it to remain until rust is loosened Immediately follow with a clean water rinse This method should ONLY be used if SEVERE rust and scale stains are present Regardless of the approach utilized ALWAYS follow the manufacturer s directions and allow the chemicals to do the cleaning with MINIMAL scrubbing Always follow cleanings with a clean water rinse Air dry Materials Effective in Disinfecting Glutaraldehyde Alcohol Warning Disconnect from the power supply prior to maintenance and servicing Warning Refer servicing to qualified personnel Servicing Guide Heater Replacement Heaters are not replaceable Call Barnstead In
20. re spondence concerning this unit All parts listed herein may be ordered from the Barnstead International dealer from whom you pur chased this unit or can be obtained promptly from the factory When service or replacement parts are needed we ask that you check first with your dealer If the dealer cannot handle your request then contact our Customer Service Department at 563 556 2241 or 800 553 0039 Prior to returning any materials to Barnstead International please contact our Customer Service Department for a Return Goods Authorization number RGA Material Returned without an RGA number will be returned Decontamination Statement We cannot accept any product or component sent to Barnstead International for repair or credit that is contaminat ed with or has been exposed to potentially infectious agents or radioactive materials No product or component will be accepted without a Return Goods Authorization RGA number 25 26 27 Two Year Limited Warranty BARNSTEAD INTERNATIONAL BARNSTEAD warrants that a product manufactured by Barnstead shall be free of defects in materials and workmanship for two 2 year from the first to occur of i the date the product is sold by BARNSTEAD or ii the date the product is purchased by the original retail customer the Commencement Date Except as expressly stated above BARNSTEAD MAKES NO OTHER WARRANTY EXPRESSED OR IMPLIED WITH RESPECT TO THE PR
21. re settings If unit still does not heat up the problem most likely involves the heater status lamp If the lamp is good check the heaters and heater wiring Check that the other features of the unit are functioning If not proceed with the first step listed above Remove any plugs from the convenience outlet s Press in the circuit breakers located on the back panel to reset If the circuit breaker pops repeatedly check the equipment that is connected to the convenience outlet check wiring from circuit breaker to the convenience outlet Maintenance Warning Checking Controls Disconnect from the power supply While using the unit occasionally check that both prior to maintenance and servicing control panel status lamps are functioning as described in the previous OPERATION section Warning a During normal operation with controls properly set Refer servicing to qualified personnel the over temperature status lamp is not supposed to be functioning If it is and continues to be lit after re calibration as described in the previous OPERA TION section follow the procedures described in the upcoming TROUBLESHOOTING section to locate the source of the problem Cleaning Clean any spills immediately Use only soap or mild detergent and water with a soft cloth for cleaning Do not use abrasives on the glass inner door Refer to following section for care of stainless steel sur faces Wipe exterior with soft damp
22. regia Ferric chloride lodine Sodium acid Sodium azide Chemical spills especially those agents listed here should be removed as soon as possible and the stainless steel surface cleaned with mild soapy water followed by a clean water rinse Cleansing Agents Anti fungal and anti bacterial additives are permissible to use as long as the pH of the aqueous solution is kept within the range of 7 to 9 These are available through laboratory distributors Be sure to CONFIRM that they are not harmful to stainless steel Do not use any metallic pads Instead for stubborn stains use a plastic light duty cleansing pad and rub gen tly in the direction of the metal grain If stains continue to persist use one of the following chemicals and methods Cleaning Methods CAUTION Extreme care must be taken when handling these materials Always work in an area with adequate ventilation Use the precautions as outlined in the Material Safety Data Sheet MSDS and the manufacturer s instructions for the product being utilized Also follow the 17 MAINTENANCE Note This information is intended as guide lines only and Barnstead International makes no claim as to the suitability to any particular situation Consult your staff chemist to determine what would be best for your stainless steel prod uct and laboratory personal protection index found in the hazardous materi als information system HMIS section of the MSDS Any
23. t Shelf Installation Each shelf bracket has 2 prongs at each end for attachment to the chamber sidewall Insert the longer top prongs into slots of equal height on one side of the chamber then push the bracket up and insert the lower prongs 2 Push down on the bracket to insure proper seat ing UNPACKING AND INSTALLATION 3 Repeat this procedure for the opposing bracket making sure it is on the same level as the first bracket count the slots 4 Install other shelf brackets in the same way then slide shelves into place Operation Control Panel 1 2 3 4 5 1 POWER SWITCH This 2 position rocker switch controls power to entire unit The switch is lit Warning when power is ON Do not use in the presence of flam mable or combustible materials or 2 CONTROL STATUS LAMP This lamp is lit when explosive gases Do not use in the power is being supplied to heater and not lit presence of pressurized or sealed when power to the heater is OFF containers Fire or explosion may result causing death or severe 3 PROGRAMMABLE CONTROLLER Maintains injury chamber temperature and provides a display of either chamber or set point temperatures 4 OVER TEMPERATURE STATUS LAMP This lamp is lit when either an over temperature con dition exists or the over temperature thermostat is improperly set too low Warning 5 OVER TEMPERATURE THERMOSTAT This Do not heat any substance above a hydraulic thermostat is set by th
24. ternational Customer Service at 1 800 553 0039 for assistance Thermostat Replacement After unplugging the unit remove the top cover of the unit to reach control components Expose 2 screws holding thermostat to the mounting bracket 2 After removing thermostat from control panel dis connect wiring while noting where each lead attach es 3 Remove back cover of unit to reach thermostat bulb set in a bracket under the chamber floor 4 Slide the bulb out of the bracket and through the top hole to completely remove the thermostat 5 Install new thermostat by reversing above proce dure Switch or Status Lamp Replacement Power switch and status lamps are snap in mount ing type Unplug unit remove top cover and discon nect leads after noting where each attaches 2 Push the switch out from the back Slide the lamp body sideways to remove lens 3 Reverse procedure to install new lamp 4 Press replacement switch from the front of the panel and then reconnect the leads as noted Switch is to be oriented so that the green lamp is toward the top SERVICING GUIDE Note 20 PCB contacts at rear of controller fit into contacts at rear of controller housing Replacing Temperature Controller 1 2 3 Place ON OFF switch in OFF position Unplug incubator from outlet power supply To remove controller from control housing a Use both hands to firmly grip each side of the controller bezel

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