BT37 Incubator Users` Guide
Contents
1. 2 Central humidification access cover 3 User interface incorporating 2 line liquid crystal display simple 3 button interface and liquid level indicator 6 BT37 Incubator Users Guide 1 5 1 The display and keypad The BT37 Incubator user interface utilises a very simple display and three button keypad to enable all features of the unit to be accessed 1 Status indicators These indicate whether or not there is an alarm condition More detail is given in the Status indicator section 2 Main display 3 Left cursor key 4 Right cursor key 5 Liquid level indicator 6 Enter key 1 5 1 1 Displaying multiple entries If the message is too long to show on the display the text will be scrolled from right to left In some cases multiple selections will be displayed e g the main menu In this situation menu items are displayed one by one with the text enclosed within lt gt characters to indicate that there are further options Pressing the left or right cursor keys will present the additional items 1 5 1 2 Editing values The user interface uses a simple three button panel for data entry When a number is displayed for editing the current cursor position is shown by enclosing the character within lt gt An example showing password entry is shown below Introduction Using the cursor keys will cause the digit within the lt gt characters to increment or decrement When the digit shows the correct val2. Symbols Symbols used in this manual A This shows information or instructions that are related to safety Failure to follow these instructions may result in personal or third party injury Mm This symbol is used to introduce important information or instructions related to the use of the product Failure to follow these instructions may result in damage to equipment samples or data Y The light bulb symbol is used to highlight information and tips that may help you get the best from the product Introduction 3 1 22 Symbols used on the equipment Refer to these instructions Failure to follow these instructions may result in personal or third party injury Alternating current AC e 9 Ethernet connection gt RST Reset switch This button will reset the controller It should only be pressed if the system fails to respond See Resetting the system s1 Alarm output connector Premixed gas inlet Premixed gas outlet Rx USA Caution Federal law restricts this device to sale by or on the order of a physician or a practitioner trained in its use The following symbols only apply to the packaged humidifier bottle Sterilized using irradiation O Do not reuse Do not use if packaging is broken ma a Use by date O O 4 BT37 Incubator Users Guide Safety A Warning 1 3 Operating the equipment in a manner not specified within this manual or under conditions outside of the equipment specific
3. to show the set point for the flow Record the associated flow set point for each of the 3 flow states The error may be calculated by subtracting the measured flow from the set point i e in the following equation SP refers to the set point and MV measured variable to the measured flow error SP MV If the error is less than 0 1 mL minute no change is necessary If a correction is to be applied adjust the calibration offset as follows Locate the current cal offset value as described in the Calibration 45 section Locate the current offset value as described in the Calibration 45 section Note the error must subtracted from the current offset i e new offset current offset error The uncorrected flow rate that was being measured internally by the incubator should be calculated by subtracting the current offset from the SP value uncorrected value SP current offset For each flow state change the offsets Cal offset Low flow mL min Cal offset Mid flow mL min and Cal offset High flow mL min to the associated new offset values calculated above and then select OK and press Enter to save the changes In addition for each flow state change the associated calibration points Low flow cal at mL min Mid low cal at mL min and High flow cal at mL min to the associated uncorrected value calculated above and then select OK and press Enter to save the changes More information on editing values is given in the section Edit
4. 6 External alarm connections A Warning e Any circuit connected to the alarm output must be within the limits stated below e Any circuit connected to the alarm output must meet the requirements for an accessible part as defined in EN 61010 1 or its equivalent e The alarm output must not be used in safety critical applications The BT37 Incubator is fitted with a connector for fitting to an external alarm The incubator provides 3 volt free dry terminals which provide normally open and normally closed contacts as shown in the diagrams below Connector type Phoenix 3 way horizontal PCB header Manufacturers part number 1181451 Maximum voltage Maximum current Pin connections in normal operating mode Pin connections in alarm mode or power disconnected 5 2 7 Temperature set point offsets When a set point is entered for the left or right chamber this is used as the nominal chamber temperature The temperatures for the lids bases and humidifier chamber are individually controlled The actual set points for each part of the system are automatically calculated from the entered set points The 7 actual temperature set points are illustrated in the diagram below s BT37 Incubator Users Guide Ttl top left lid temperature Ttr top right lid temperature Tb bottom left base temperature Tbr bottom right base temperature Thu humidifier temperature The actual set points are calculated using the formulae be
5. 8 declaration of contamination status 73 consolidated 70 display 6 description 12 changing mode 36 external connection 57 editing 6 test 44 multiple entries 6 Assure24seven monitoring 24 E B zx editing 6 electromagnetic compatiblity battery precautions 5 specification 56 EMC battery backup 39 precautions 5 changing 34 equipment humidifier installation 18 symbols 3 C ethernet connector location 8 monitoring 59 calibration 45 external alarm gas flow 49 specification 57 temperature 46 external monitoring 24 capacity 56 external sensors changing dimensions 8 humidifier bottle 34 cleaning 42 T F configuring control parameters 31 first time comnecting operation 37 gas 16 flow mains supply 25 calibration 49 connectors fuses 72 alam 8 ethernet 8 G gas 8 gas connector specification 56 gas BT37 Incubator Users Guide gas connecting 16 connector location 8 specification 56 gas flow calibration 49 setting 32 H humidifier chamber 10 changing 34 installing 18 incubator about 5 operating 28 preparation 29 switching off 38 switching on 28 indicators description 12 installation 16 humidifier bottle 18 intended use 2 interface external monitoring 59 introduction 2 K keys description 6 editing 6 mainmenu 54 mains connecting 25 connector location 8 maintenance 42 calibration 45 cleaning 42 safety testing 43 menu main 54 modbus address ma
6. Consolidated alar RE etienne dA Allow ing netw ork w rite access LI rcc EE 3 Safety declaration form ccccceeeeceeeee ence w0 NA ence KK NA NN KN KK AA NNKKSS AN nenes Safety Declaration YX 72 Declaration of Contamination Status cecceceseceeeeeeeeeneeeneeeaeeeeeeeeeeeeeeeeeeeseeeeeesaeeeaeseaeeeaeseaeeneeeeeeeeeeea 73 Index 75 Introduction 2 BT37 Incubator Users Guide 1 1 1 1 2 1 2 1 Introduction This manual only applies to the following models BT37 This guide has been designed to help you get the best from your new incubator The guide includes important information concerning the safe use of the equipment and it is important that you familiarise yourself with this document before attempting to use the product Indication for use The BT37 Incubator has been designed as a bench top incubator for use in cell culture as part of In Vitro Fertilization IVF Assisted Reproductive Technology ART treatments To be used to provide an environment with controlled temperature at or near body temperature CO 0 and N gases and elevated humidity for the development of gametes and embryos The BT37 Incubator and accessories are intended for use by embryologists and appropriately qualified biomedical assistants Caution USA By prescription only Rx only Caution Federal law restricts this device to sale by or on the order of a physician or a practitioner trained in its use
7. at the rear te Tube alignment Fit the filter to the luer lock fitting on the end of the inlet tubing Now that the humidification bottle has been filled with sterile water and the tubing set has been fitted the assembly can be taken to incubator Open the lid to the humidifier chamber 10 BT37 Incubator Users Guide Lift the tube guide and rotate it to the rear of the incubator to expose the bottle cavity Lifting the tube guide Q Tip When in the vertical position the tube guide can be removed from the chamber to assist with cleaning Installing the system 21 Push the bottle into the cavity at the front of the chamber Some resistance will be felt as the bottle is intended to be a snug fit between the heated walls of the chamber Bottle position Return the tube guide to its original position on top of the bottle Ensure that all three tubes come through the centre slot Tubes exiting through guide 22 BT37 Incubator Users Guide Route the tubes through the curved guides into the left and right chambers Push the tubes down into the grooves using your finger or a blunt clean object The tubes should be a snug fit in the grooves to ensure good thermal contact There is no need to push the tubes right down into the bottom ofthe grooves but they should sit just below the top surface The tube guide performs two important functions it maintains the temperature around the tubing to minimise the r
8. requires the written permission of Planer plc Product names and designations that are referred to in this document may be either trademarks and or registered trademarks and are recognised as the property of their respective owners This information is provided without warranty expressed or implied and including but not limited to any implied warranties in respect of merchantability or fitness for any purpose except to the extent that such provisions are held to be void in violation of applicable law or unenforceable in a specific jurisdiction Planer plc reserves the right to alter products and their specifications without notice Part Number MA101414 Issue 9 Printed June 2010 ss tete Table of Contents Section Introduction 2 1 Indication fOr Use coc iioc iioc 11e ccrte L cce EAAS ASEENAAN NAE 2 2 Symbols in 2 Symbols used in this manual seeseessesseseeveeseeeseeseeseesoesaessesseeseeseeseesoesnesaesaesaevaevaeeanesnennesnanansass 2 Symbols used on the equipment eeieieiesesseseseseesens ense testes tna tn asma aaa snuse ats asma sE asma anasinin 3 3 Satety T A E cies Se cat E E vegvee ste see cat devece ates Setect caste det eeeatioeseestye 4 4 Electromagnetic compatibility EMC precautions eere 5 5 Aboutthe incubator AA 5 The display and keypad eese rr 6 Displaying m ltiple entries 5 ceret eet ree rm eie
9. your application You will also need to check the calibration of the unit as these settings will have been lost See Configuring the control parameters 3 and Calibration 49Y 3 2 Preparing the incubator for use Before you can use the BT37 Incubator the passwords for accessing the incubator and its control parameters must be defined Using a password prevents unauthorised changes to the settings Further details are given in the Setting the password and Configuring the control parameters 3 sections Tip When the system enters its normal operating mode the main menu will be displayed In normal use many of these options will not be used A full list of these options are given in the Main menu 52 section 3 2 1 Setting the password Many of the features of the BT37 Incubator require a five digit password to be entered via the front panel To change the password use the cursor keys to highlight the Set password option from the main menu Then press the Enter key You will then need to enter the current password BT37 Incubator Users Guide 4 Tip 3 2 1 1 The factory set default password is 00000 If your password is correct you will be able to enter a new password Edit the password as described in the Editing values e section Tip It is important that you do not forget this password If you ever lose your password you will need to follow the procedure described in Resetting the password
10. 30 in order to setup the incubator Resetting the password If you lose your password you will need to contact Planer plc to obtain a new password This process is described below To reset the password use the cursor keys to highlight the Reset password option from the main menu Then press the Enter key A reset code will be displayed on the top line This reset code will need to be provided to Planer plc who will be able to provide you with a new password Do not exit this menu until the new password has been entered Enter the password as described in the Editing values 6 section You will now be able to change the password to your own value by following the steps in Setting the password 291 Operating the incubator 31 3 2 2 Configuring the control parameters In order to use the incubator you will need to configure the control parameters Switch on the BT37 Incubator When the power up cycle has completed use the cursor keys to highlight the Configure option Then press the Enter key You will then need to enter your password If your password is correct the group selection menu will be displayed If the password is incorrect you will still be able to view the settings but the title will show that they are read only and cannot be modified There are 2 groups that can be selected Control settings and Calibration settings Select the group that you need to modify For a new unit this will normal
11. 6 temperature settings that can be modified Cal offset top left temp Cal offset top right temp Cal offset bottom left temp Cal offset bottom right temp Cal offset humidifier temp and 6 flow settings Low flow cal at mL min Cal offset low flow cal mL min Mid flow cal at mL min Cal offset mid flow cal mL min e High flow cal at mL min Cal offset high flow cal mL min Use the keys to edit the value as described in the section Editing values 6 To leave the menu use the cursor keys to select Cancel and press Enter Temperature calibration To check the temperatures you will need a calibrated temperature probe and suitable digital thermometer hereafter called the reference probe The reference probe should have an accuracy better than 0 05 C The probe dimensions must meet the requirements for a remote PT100 sensor as defined in the Monitoringlse section Routine maintenance and troubleshooting 1 Lid monitoring port 2 Base rear monitoring port 3 Base front monitoring port Allow the system to stabilise for at least 1 hour after switching on or after a set point change before calibrating Use the reference probe to measure the temperature of the lid and the base using the monitoring ports For calibration purposes the average of the front and rear ports should be used for the base The front and rear ports should be within 0 2 C of each other If they are outside these limits contact you
12. PLANER BT37 Incubator Users Guide Medical Device Version C USA For Prescription Use Only 0088 BT37 Incubator Users Guide Medical Device Version O 2010 Planer plc This equipment contains components that have a limited life To ensure the long life of the equipment and help ensure trouble free operation we recommend that you join one of our Maintenance and Support Schemes Please contact your supplier for details Good practice demands that in critical applications reliance should not be placed on a single source of data Hard copies and backup copies should be routinely kept All equipment supplied by Planer plc is subject to a Warranty Agreement and Limited Liability In addition software products are not sold but are licensed for use and are subject to a Licence Agreement Copies of these documents will have been provided with the equipment or as part of the software installation Please ensure that you read these documents before using the equipment or software If you cannot locate this documentation please contact your supplier who will be able to provide you with copies You may freely copy and distribute this document in any form provided that the documentis reproduced in full and includes these notices Individual pages and forms may be freely copied for the purposes of implementing any instructions with the documentation You may not make modifications or create derivative works Any modification to these conditions
13. amples See Status and alarm indicators 121 BT37 Incubator Users Guide 3 3 Changing the display mode The display normally shows the temperatures of the base of each chamber and the top line shows the menu option Display mode Tip The display uses small symbols to help identify the parameter being displayed These are detailed below M Base temperature B Lid temperature E Gas flow rate Gas flow rate while purging S Set point Pressing the Enter key when Display mode is selected will select the next available display mode Pressing the key several times will cause the system to cycle through all the available display modes The table below shows all of the available modes Base temperatures Lid temperatures Humidification chamber temperature Set below chambers to reduce condensation Flow rate When purging MB is shown Operating the incubator Base temperatures and flow rate When purging MB is shown Set point for base temperatures This is calculated from the set point entered for the chamber See Temperature set point offsets 574 Set point for lid temperatures This is calculated from the set point entered for the chamber See Temperature set point offsets 57 Set point for humidifier temperature This is calculated from the set point entered for the chamber See Temperature set point ofisets 57 Set point for the current flow rate The set point will change de
14. and even when purging any pressure rise is negligible e f operating at high altitudes the required gas concentration may need to be modified to allow for variations in the local pressure All tubes and connecting hoses must be suitable for use with CO Many plastics are highly permeable to CO and this will affect the gas concentration supplied to the chambers Installing the system Gas must be supplied via a high purity regulator at 1 5 0 15 bar 21 8 2 2 psi A minimum flow capacity of 360 mL min per incubator is required The regulator must be fitted with a SWAGELOK 1 4 tube fitting to mate with the supplied connecting hose The hose is supplied with a tube adapter and pre swaged fittings Ensure that the fittings are clean before connecting Fully insert the tube adapter on the hose into the premixed gas inlet 8 up against the shoulder 1 Tube adapter 2 Nut 18 BT37 Incubator Users Guide 2 2 Gently finger tighten the nut until a significant increase in resistance is met This is the original pulled up position Using a 7 16 AF spanner tighten the nut slightly Do not over tighten Repeat this process at the regulator end Unless the incubator is to be daisy chained to another incubator ensure that the blanking plug is fitted to the daisy chain gas outlet 87 If the incubator is to be daisy chained to another unit remove the blanking plug and connect the daisy chain gas outlet of the first
15. anel adjust the nominal temperatures for each chamber The lids and base of each chamber and the humidifier chamber are automatically adjusted to temperatures based upon these values For details on these automatic adjustments please refer to the section Temperature set point offsets 571 Setting the gas flow The incubator has two gas flow modes bleed and purge The gas is fed to the chambers at a rate determined by the bleed low flow rate and bleed high flow rate t Note The bleed low flow bleed high flow and purge rates are fixed and cannot be adjusted from the front panel They can be adjusted by a Service Engineer via the Modbus interface See Modbus address map sed The default values for these settings are 20 mL minute 60 mL minute and 360 mL minute respectively Flow measurements are normalised to 0 C 50 RH and 1 bar and refer to the total flow into the incubator Each chamber receives 50 of the total flow Operating the incubator 33 The gas supply is continuously switched from a low to high flow according to a duty cycle defined by the bleed gas on time and off time The gas flow is maintained when either lid is opened to ensure that the humidification bottle is maintained in a constant state When either lid is moved from a open state to closed the system provides gas at a flow rate defined by the purge gas flow rate for a period defined by the purge duration after which the system reverts to the normal pulsed patter
16. ations may result in the protection offered by the equipment being impaired CO gas is an asphyxiant and is exhausted by the equipment in normal use The incubator must only be used in well ventilated areas If CO is used in confined spaces then a risk assessment should be undertaken to determine whether alarms to indicated elevated CO levels should be installed and whether additional ventilation is required To maintain protection against electric shock the mains lead must be properly fitted to a 3 way mains connector plugged into an earthed mains outlet Because of the use of liquids around the incubator the operator should be provided with additional protection against electric shock by supplying mains power to the incubator through a residual current circuit breaker RCCB operating at a differential of 30 mA Note that care must be taken to ensure that the incubator is not compromised by faulty equipment sharing the same supply and causing nuisance trips The unit is designed for connection to information technology equipment compliant with EN60950 or its equivalent Use with other equipment may compromise the safety of the device The unit should only be connected to an Ethernet local area network LAN internal to the building User servicing is limited to cleaning and calibration All other servicing must only be undertaken by suitably qualified engineers To avoid risk of fire fuses must always be replaced with the same type an
17. ble and external alarms will be reactivated A Warning Ifleft running on a low battery the incubator will automatically switch off without further warning when the battery is exhausted The period between detection of a low battery and switching off may be less than 2 minutes Routine maintenance and troubleshooting Section BT37 Incubator Users Guide 4 Routine maintenance and troubleshooting A Warning Switch off the incubator and disconnect the mains supply before cleaning See Switching off 38 The connector from the mains lead to the power supply is the main disconnect device In the event of a fault occurring that requires the power to be disconnected immediately disconnect the mains lead from the power supply or switch off at the mains wall power outlet 4 4 Cleaning A Warning e Switch off the incubator and disconnect the mains supply before cleaning See Switching oftl387 Always allow the unit to dry fully before reconnecting the mains supply Note that disinfectants are potentially hazardous to health Ensure that you obtain a material safety data sheet MSDS before use and follow the instructions contained therein Bleaches are corrosive and may damage sensitive components and metal surfaces within the chamber The person responsible for the equipment must ensure that o the unit is decontaminated if hazardous material is spilt onto or into the equipment o only cleaning materials compatible with th
18. condensing 5 2 2 Control Temperature control range ambient 5 C to ambient 20 C Upper temperature must not exceed 40 C Temperature control accuracy 0 1 C measured after any transient effects due to set point changes have subsided Flow control range 0 ml minute to 900 mL minute Flow measurements are normalised to 0 C 50 RH and 1 bar The greater of 10 or 0 3 ml minute Flow control accuracy The greater of 5 or 0 2 ml minute measured after any transient effects due to set point changes have subsided s BT37 Incubator Users Guide 5 2 3 Capacity Dishes per chamber 4 x NUNC 4 well dishes 4 x NUNC 60 mm Petri dishes 10 x NUNC 30 mm Petri dishes 4 x MINITUB 5 well dishes 4 x FALCON 60 mm Petri dishes 5 24 Power A Warning The internal battery is not user replaceable and may only be replaced by persons trained in the servicing of this equipment e The battery must only be replaced with a battery of the same type and rating Power requirements see 100 240 V note Includes Controller 50 60Hz 2A Internal battery backup Gelled sealed lead acid battery 12V x 12 A h Note The BT37 Incubator system is designed to be connected to an Installation Category over voltage category Il mains supply as defined in IEC 60364 4 443 5 2 5 Gas supply Gas supply Premixed gas Typically 6 CO 5 O balance N Supply pressure 1 5 0 15 bar Additional information 5 2
19. cted directly to any application that supports the Modbus TCP IP protocol by using the Ethernet connection All critical parameters can be monitored via this interface Details on the Modbus addresses supported by the incubator are provided in the section Modbus address mapl eo In addition 6 ports are provided to allow independent PT100 temperature sensors to be fitted These can be used to provide independent monitoring via any digital thermometer capable of reading PT100 sensors Installing the system 25 To fit an external PT100 sensor to the incubator carefully push the sensor into one of the 6 ports provided see External monitoring ports 8 Refer to your sensor documentation for further details on how to monitor them See the Monitoring 5 section for details on the sensor dimensions Tip For network security the BT37 Incubator should normally be left in read only mode see Allowing network write access 71 In read only mode no changes can be made to any operating parameters via the network changes to parameters will only be possible via the front panel of the incubator 2 4 Connecting to the mains supply A Warning e Check that the voltage requirements of the incubator shown on the rating label match the local mains supply voltage The connector from the mains lead to the power supply is the main disconnect device In the event of a fault occurring that requires the power to be disconnected immediately disco
20. d rating The incubator may contain samples that present other biological hazards If in doubt refer to the person responsible for the incubator The incubator contains a sealed lead acid battery Under normal operating conditions the battery is sealed and produces no hazardous gases Under abnormal conditions of over charging or excessive temperatures the internal battery may liberate the following hazardous gases sulfur dioxide sulfur trioxide hydrogen carbon monoxide and sulfuric acid mist The battery weighs 4 kg and hazardous ingredient composition by weight is lead 57 lead oxide 22 and sulfuric acid 14 Always route cables and connecting hoses away from areas where they might cause a trip hazard The incubator weighs 15 5 kg with the bulk of the weight biased to one end Take care when lifting the unit Introduction 5 1 4 Electromagnetic compatibility EMC precautions t Note The following precautions must be taken to ensure that the equipment is not damaged by electrostatic discharge ESD and that its immunity to radio frequency interference is not compromised All connections via the external alarm connector 57 must use fully screened cable no longer than 2m e Take care to avoid placing the BT37 Incubator in environments influenced by sources of electromagnetic interference such as cyclotrons large transformers etc 1 5 About the incubator The unit is illustrated below 1 Two chamber lids
21. e Hidden group ae ED BT37 Incubator Users Guide PID information group A nel dl 20 PID information marker NMP E Input counter uE Incremented on every update of the data Peo ha O if not purging 1 when purge on ET OM alarm bit sensitive value for alarms See Consolidated alarm 70 205 206 abe left SP PV CO PV MIN PV MAX Temp top right SP PV CO PV MIN PV_MAX Temp bottom left SP PV CO PV MIN PV MAX Temp humidifier SP PV CO PV MIN PV MAX Flow bleed SP PV CO PV MIN PV MAX 10 mL min 10 mL min 235 236 Flow purge 10 mL 237 238 SP PV CO PV MIN min Temp bottom right jo SP PV CO PV MIN pu PV MAX i Additional information PID information group e UU FEGI 239 10 mL min 10 96 10 mL min 10 mL min Diagnostics data group zm aul Em 250 Diagnostics data group NA marker 251 252 ADC top left Hi Lo raw adc value 253 254 ADC bottom left 1 Hi Lo raw adc value 255 256 ADC bottom left 2 Hi Lo raw adc value 257 258 ADC top right Hi Lo raw adc value 259 260 ADC bottom right 1 Hi raw adc Lo value 261 262 ADC bottom right 2 Hi raw adc Lo value 263 264 ADC humidifier Hi Lo raw adc value 265 266 ADC mass flow Hi Lo raw adc value 267 268 ADC reference Hi Lo raw adc value Error counter raw adc value 270 Eme counter top left rf fr BT37 Incubator Use
22. e Version Planer plc 110 Windmill Rd Sunbury Middlesex TW16 7HD UK
23. e equipment are used Incompatible materials may cause a hazard by reacting with the equipment or materials contained within o your distributor or Planer plc is contacted if there is any doubt about the compatibility of cleaning materials to be used Clean the incubator periodically with a cloth containing 70 isopropyl alcohol Clean the gas vents at the rear of the incubator using a miniature bottle brush or pipe cleaner wetted with 70 isopropyl alcohol Routine maintenance and troubleshooting 43 4 2 1 Gas vents Clean the external monitoring ports using a miniature bottle brush or pipe cleaner wetted with 70 isopropyl alcohol See the External monitoring ports 8 section Leave the lids open until all fumes from the alcohol have gone Allow the unit to dry fully before reconnecting the mains supply Safety testing A Warning e The BT37 Incubator is classified as electrical Class 1 equipment and must be earthed for safe operation e Repetition of potentially damaging high voltage flash tests should be avoided The BT37 Incubator and the mains connecting cord should be regularly checked by suitably trained personnel using a Portable Appliance Tester or similar equipment to ensure adequate earth bonding The earth continuity of the mains installation must also be regularly inspected by the person responsible for the installation All mains leads should be checked for signs of damage and replaced if n
24. e to the new offset and then select OK and press Enter to save the changes More information on editing values is given in the section Editing values 6 4 4 2 Flow calibration To check the flow you will need a flow meter with an accuracy better than 0 1 mL minute and an inlet pressure requirement of less than 0 08 bar at 360mL min Set the BT37 Incubator into the change bottle mode see Changing the humidifier Disconnect the bottle from the gas port at the rear of the humidifier chamber See the humidifier chamber 10 1 Gas filter fitted to luer lock gas port Connect the flow meter to the gas port Exit the bottle change mode to revert to normal control The flow recorded by the flow meter should be seen to switch high and low according to the bleed on and off times See Setting the gas flow 32 If the bleed flow on time is too short to allow the flow meter to stabilise the time may need to be extended The unit allows three point calibration for low medium and high flows These equate to the Bleed low flow Bleed high flow and Purge Flow levels Use the flow meter to record the actual flow rate during the bleed off time and the bleed on time Open and shut the lids to force a gas purge and then record the actual flow during the purge You s BT37 Incubator Users Guide 4 5 should now have 3 readings providing the actual flow during each of the 3 states Change the display mode see Changing the display model 38
25. ecessary All gas joints should be checked for leaks using soapy water and looking any sign of any bubbles Leaking joints should be corrected as described in the section Connecting the gas supply Me BT37 Incubator Users Guide 4 3 Running a system test The BT37 Incubator includes a test mode which allows a quick system check to be run To change or view a calibration offset select Test system from the main menu Then press Enter to start the test You will need to enter a valid password to initiate the test If your password is correct a warning message will be displayed The tests will result in alarms being sounded You should ensure that all appropriate personnel are aware that these alarms are to be expected If you do not want to proceed with the test use the cursor keys to select Exit Tip The unit will pause after each test and provide the options to Continue or Exit To continue with the test select Continue and press the Enter key A test pattern will be shown on the top line which can be used to detect a faulty line Select Continue to move to the next test Another test pattern will be shown this time on the bottom line Select Continue to move to the next test The alarms will now be tested Both status indicators should flash red the internal alarm should sound and an external alarm if fitted should also sound The display will show the following message Press any key to clear the alarm
26. ed An alarm condition has occurred which flashing needs to be acknowledged red flashing An alarm has been left flashing and waiting for acknowledgment longer than the period defined by the external alarm delay parameter l P i O O O O O reoccurred within the alarm acknowledge suppression period ai i ff ff ff n ff ff The temperature of the chamber is outside of its expected range but the condition is expected because the incubator has just recently been switched out of standby mode a set point has been modified or the humidifier bottle is being changed on An alarm condition has occurred which has been acknowledged or an alarm has Wy Tip The alarm thresholds for temperature and flow rates are factory set to 0 2 C and 4 mL min respectively The alarm expectation delay and alarm acknowledge suppression parameters are factory set to 30 and 10 minutes respectively The external alarm delay parameter is factory set to 5 minutes These values cannot be modified via the front panel If you do want to modify the default settings they can only be adjusted via the Modbus interface See the Modbus address map 60 section t Note From version 1 0 18 alarms must be present for a period defined by the alarm hold off time parameter This is normally set to 5 seconds Prior to this version any alarm condition would be displayed immediately This setting only be adjusted v a the Modbus interface See
27. er and the manager of the laboratory as well as the employer of the individual concerned In the case of maintenance or repair of laboratory equipment current DHSS recommendations support the issue of a certificate statement of decontamination prior to submitting the equipment for servicing The Declaration of Contamination Status 73 sheet must be completed signed by a competent authority and returned to Planer plc before the service engineer arrives at the laboratory or before equipment is received at the factory when returning for repair A second copy of the declaration duly completed and signed should be affixed to the equipment to be serviced For emergency repairs on site the engineer will request that the declaration is completed on his arrival at the laboratory It is our policy that unless the above actions are taken the service engineer must refuse to perform maintenance or repair work In this event a charge will be made to cover the costs of the visit Such charges are not included in an existing preventative maintenance contract Additional information Prior to the Inspection Servicing Repair or Return of Medical and Laboratory Equipment 5 3 1 1 Declaration of Contamination Status To Make and Description of Equipment Planer plc 110 Windmill Rd Sunbury Middlesex TW16 7HD Serial No Authority s Reference or Order Number Planer s Service Order or Returns Authorisation Reference Tick box A if applicable Otherw
28. es Holding registers are configured in groups and any command that accesses multiple registers must be restricted to addresses within one group the range of addresses cannot cross a group boundary As an additional security measure registers can only be written to if the system has been placed into read write mode from the front panel See Allowing network write access 71 The full memory map is shown below Note that the addresses in the table Modbus PDU address are the addresses passed in the Modbus TCP IP packets Controlling applications may require the data model address which is typically the PDU address 1 Some of the addresses in the tables below are not externally accessible Hidden group m a Non volatile memory marker Additional information ECH Control settings group Start of control settings NA marker User set point for left 10 C chamber Bleed flow on time Bleed flow off time Purge flow on time Bottle change purge on time User set point for right 102 C chamber NON BT37 Incubator Users Guide Calibration offsets group e q dl lt 4 20 Calibration offsets marker NA Ze temperature top 10 C left Offset temperature top 10 C right 23 Offset temperature 10596 bottom left 24 Offset temperature 102 C bottom right Offset temperature 102 C humidifier Additional information KO System calibration offsets group ak nm eo 40 System calibrat
29. ing values e Troubleshooting Should any problem persist please contact your distributor for assistance Faut Possible cause Corrective action Display is not on The backlight may be off None this is normal if standby indicating that the unit is in mode is selected See the standby mode Standby modelse section Temperature error occurs Room ambient temperature Check the room ambient and may be too close to the set refer to the control point specification 557 The set point may have been Allow time for the temperature adjusted by a large value to setile Check that the set point is Refer to the control within specification specification 557 Routine maintenance and troubleshooting 51 BC jw NM Flow errors occur Check the gas pressure is Refer to the gas connections correct 5e Check that the tubes from the See Installing the humidifier bottle are not kinked 183 Check that the gas filter has See Installing the humidifier not become wetted 18 Check that the set point is Refer to the control within specification specification 55 4 5 1 Resetting the system The system includes an internal watchdog so that should the system stop running for any reason the device will automatically restart In the unlikely event that it is necessary to reset the processor locate the reset switch at the rear of the incubator 1 Reset switch The switch is recessed behind a small hole to prevent accidental
30. ion NA offsets marker 41 Mains good threshold raw adc value 42 Battery good threshold raw adc value BT37 Incubator Users Guide PID coefficients group Parameter PID coefficients marker NA temp top left KP KI KD 1029 C 53 54 Type 10 C s 10 C s NA temp top right KP KI KD 10 C Type 10 C s 10 i C s NA temp bottom left KP KI 102 C KD Type 10 C s 10 C s NA temp bottom right KP KI 102 C KD Type 10 C s 10 C s NA temp humidifier KP KI 10 C KD Type 10 C s 10 C s NA flow standard KP KI KD 102 95 C Type 102 C s 10 C s NA flow purge KP KI KD 10 C Type 10 C s 10 C s NA Additional information Security group un PO 90 Security group marker Not accessible externally e N Set point manager group Parameter Set point group marker Offset top temperatures 102 C Offset bottom 10 C temperatures Offset humidifier 10 C temperature Bleed flow rate low 101 mL min N N NA A A A Purge flow rate 101 mL min Alarm error chamber 10 C temperature Alarm error humidifier 10 C temperature Alarm error flow bleed flow 10 mL min rate Alarm error purge flow rate 10 mL min 1 Alarm acknowledge suppression m5 Bleed flow rate high 101 mL min 100 101 102 103 104 105 106 107 108 109 110 11 Repeat alarms are suppressed f
31. ise complete all parts of B providing further information as requested or appropriate This equipment item has not been used in any invasive procedure or been in contact with blood other body fluids respired gases or pathological samples It has been cleaned in preparation for inspection servicing repair or transportation 1 Has this equipment item been exposed internally or externally to hazardous materials as indicated below Provide further details here YES NO Blood body fluids respired gases pathological samples YES NO Other biohazards YES NO Chemicals or substances hazardous to health YES NO Other hazards 2 Has this equipment item been cleaned and decontaminated YES NO Indicate the methods and materials used If the equipment item could not be decontaminated please indicate w hy Such equipment must not be returned presented w ithout the prior agreement of the recipient w hose reference or contact name must be given above 3 Has the equipment item been suitably prepared to ensure safe handling transportation YES NO declare that have taken all reasonable steps to ensure the accuracy of the above information in accordance w ith HSG 93 26 Name printed Department mains 8 Index consolidated alarm 70 contamination A declaration of contamination status 73 control configuring 31 about the incubator 5 specification 55 addresses modbus 60 E D E alarm connector location
32. isk of condensation forming in the tubes and restricting the gas flow it prevents the tubes from becoming kinked If the outlet tubes are fitted with plugs remove them now Lay the tubes along the grooves that run along the centre of each incubator chamber If necessary trim the tube ends using sterile scissors to ensure that they are approximately 10mm to 15mm from the end of chamber Gently push the tubes down into the grooves so that they are secure Tube routing to left and right chambers Installing the system 23 Route the rear tube and filter over the top of the tube guide and connect to the gas port fitting at the rear of the humidifier chamber Tube routing to the rear filter Before connecting the filter to the gas port fitting twist the tubing and filter 90 degrees anti clockwise so that it will untwist as the luer lock connection is made t Note Ensure that there are no kinks or twists in the tubing 24 BT37 Incubator Users Guide Fit the clear humidifier cover over the tube guide as shown below NIPA ka gt A FAN Pe Sf N E J yo 5 2 NYA Bf M A PS GRES i W GI ef n La e jd y lt lt X a Jall Megs rd NN B NS EZ Close the lid of the humidifier chamber t Note The humidifier bottle should be replaced every 4 weeks w Note During normal operation the humidifier lid should be kept shut 2 3 External data collection The BT37 Incubator can be conne
33. low Let SPL the left hand chamber set point SPR the right hand chamber set point SP_MIN the lowest temperature from SPL and SPR TOP OFFSET the top temperature offset defined by the offset top temperatures parameter BASE_OFFSET the base temperature offset defined by the offset bottom temperatures parameter HUM_OFFSET the humidifier temperature offset defined by the offset humidifier temperature parameter Then Ttl SPL TOP OFFSET Ttr SPR TOP_OFFSET Tbl SPL BASE OFFSET Tbr SPR BASE_OFFSET Thu SP MIN HUM OFFSET Additional information ss Tip The offset top temperatures offset bottom temperatures and offset humidifier temperature are factory set to 0 0 and 2 C respectively These cannot be modified via the front panel These values can only be modified v a the Modbus interface but they should not normally be adjusted See the Modbus address maple section 5 2 8 Monitoring A Warning The unit should only be connected to an Ethernet LAN internal to the building MN E A 10 Base T Ethernet RJ45 shielded Modbus TCP IP protocol Remote PT100 sensors PT100 Class A to EN60751 In order to fit the monitoring ports the sensor must meet the following specification Maximum diameter 2 51 mm Minimum length 100 mm Sensing region should be within 15 mm of the tip 5 2 8 1 Remote monitoring The BT37 Incubator includes a number of variables that can be accessed using the M
34. ly be the Control settings as the system will have been calibrated at the factory If you do not want to modify any settings use the cursor keys to select Cancel Use the cursor keys to select the parameter to be modified and press Enter to select that parameter Further details are provided in the sections Setting the temperatures 37 and Setting the gas flow 32 3 2 2 1 Setting the temperatures The incubator will control the temperature of each chamber The left and right chambers can be independently set to run at different temperatures e To change the control temperature select Configure from the main menu and then use the cursor keys to select Control settings Use the cursor keys to select the setting that you want to adjust and press Enter when the required parameter is selected 32 BT37 Incubator Users Guide 3 2 2 2 There are 5 settings that can be modified These are the Left temp Right temp gas Bleed on time Bleed off time and Purge duration e The first two parameters adjust the nominal temperature set points for the left and right chambers The other parameters adjust the gas flow which are explained in the section Setting the gas flow 321 e To modify the left temperature select Left temp C and press Enter Use the keys to edit the value as described in the section Editing values 6 e Repeat this process for the right hand chamber Tip The temperature set points entered via the front p
35. message The display will show the following alarm message 4 4 Routine maintenance and troubleshooting Select Continue to move to the next test The display will then present an optional EMC test t Note The EMC test will switch off the gas control and temperature control circuits This test is only intended to be run by service personnel You should normally select Exit at this point to terminate any further tests Select Continue to start the test The status indicators will go orange and the display will change to its EMC monitoring mode Select Continue to move to end the test The results of the test will be displayed If a failure is displayed it may indicate the presence of high electrical interference in the area Pressing Continue again will end the tests and return to the main display Calibration The BT37 Incubator should be calibrated annually There are a number of calibration offsets that can be adjusted to correct errors in the measurement system Refer to the sections Temperature calibration 48 and Flow calibration 49 for details on how to determine the correct offsets To change or view a calibration offset select Configure from the main menu and then use the s BT37 Incubator Users Guide cursor keys to select Calibration offsets 4 4 1 Use the cursor keys to select the setting that you want to adjust and press Enter when the required parameter is selected There are
36. n The gas flow is illustrated in the diagram below 1 Bleed gas low flow rate 2 Bleed gas high flow rate 3 Purge gas flow rate 4 Bleed on time 5 Bleed off time set to zero for continuous bleed flow 6 Period with both lids shut 7 Period with either door open 8 Purge duration 9 Period with lids shut again To change the gas parameters select Configure from the main menu and then use the cursor keys to select Control settings Use the cursor keys to select the setting that you want to adjust and press Enter when the required parameter is selected There are 5 settings that can be modified These are the Left temp Right temp gas Bleed on BT37 Incubator Users Guide time Bleed off time and Purge duration The last three parameters adjust the gas flow settings The other parameters adjust the temperature settings which are explained in the section Setting the temperatures 31 To modify the bleed on time select Bleed on time s and press Enter Use the keys to edit the value as described in the section Editing values 6 Repeat this process for the bleed off time and purge duration Recommended values for these settings are Bleed off time Purge duration t Note In addition after a bottle change the incubator will automatically generate a purge for a period of 540 seconds This value is fixed and cannot be adjusted from the front panel It can be adjusted by a Service Engineer via the Modbus i
37. n iinisn nee NBA DAANAN NANANA 37 5 Shutting down the incubator 2 eene enne nennen nnn nnn nnn nnne nn nnn 38 ECEIN 38 deduc 38 6 Battery backup RNGA 39 Section IV Routine maintenance and troubleshooting 42 BT37 Incubator Users Guide AA TT 42 2 Safety te Aing O PP on 43 3 Running system test anila AGANG NANANA ARA 44 4 Calibra tiom a M 45 Temperature calibration a eeeeseseeeeeseees esses inni tn innen atus tn unau assa rr 46 Flow calibra lon 49 5 Traubleshooting rei AA a a EALE 50 Resetting the s ystems A a 51 6 Returning for service menuin ninani Narakana aaan EKRA ANENA NAKKEN N REKAAN ANE WANNER ACANNA 51 Section V Additional information 54 UM iugum a ecw a aae dee it di 54 2 SPO CHICA ONS IE ena 55 System specifications Control aNG w X CAPACITY aaah ER Power aaa NATANONG NAAN AR NGI ANDA han CCEPIT External alarm connections Temperature set point offsets Monitoring eene Remote Monitor ig lideran eset deco E ei Pectus e tae t bes Hee EUER EE ee De Gita Modbus address irap race a dne nea n d edad nga
38. nete ter iei re nni feet 6 Editing Values ia pe pc n E ER CORR oU pa A el D 6 The rear CONNECTIONS H 8 External monitoring port5 Uu 8 The humidifier chamber 10 Status and alarm indicators mnnninncicninnisninnnnnnnaarrr rra 12 Section I Installing the system 16 1 Connecting the gas supply eese ANAN ANAK ANAN ANAK nnne KAANAK 16 2 Installing the humidifier HA 18 3 External data collection 2 2 mmasana man aN KK ANAN KN KK eene nennen nn nnne nn nhanh nn ranas 24 4 Connecting to the mains supply 2 2 nn nnnnnnnnr nenne nnn nnne nn nnn 25 Section Ill Operating the incubator 28 1 Switching on the system 20 eene n nnne nn nnne nr nnne nr rnnt 28 POWer Up CYCIE 28 2 Preparing the incubator for use enne nennen nennen nnn nnne nn nn nnn nnn nnn 29 Setting the passWOrd e eN e s enane 29 Resetting the PASSW Ord MEE 30 Configuring the control parameters aaa 31 Setting th amp TEMPS ALUES pnt err er bte a AA 31 Setting the gas Ow ii kaan anan dde dti a opm ab sta numine 32 Changing the hum idifier vpisana detnr muc uremeuit tiec ime rud ae aaa aaa 34 3 Changing the display mode esses SNN KNA NSAN 36 4 First time operation 2 ceiiiliuiilnneleiill
39. nnect the mains lead from the power supply or switch off at the mains wall power outlet Ensure that the equipment is positioned so that the mains lead can be easily disconnected t Note As soon as power is supplied to the incubator it will enter its power on cycle Connect the mains lead to the mains inlet at the rear of the incubator Do not connect the mains lead to the wall power outlet until you are ready to start operating the incubator See Operating the incubator 28 Operating the incubator 28 BT37 Incubator Users Guide 3 3 1 Operating the incubator This section provides details on how to operate the BT37 Incubator Switching on the system A Warning e The connector from the mains lead to the power supply is the main disconnect device In the event of a fault occurring that requires the power to be disconnected immediately disconnect the mains lead from the power supply or switch off at the mains wall power outlet Ensure that the equipment is positioned so that the mains lead can be easily disconnected Refer to the section Connecting to the mains supply 25 for details on power requirements To apply power to the incubator connect the mains lead from the mains inlet at the rear of the incubator to the wall power outlet If the wall power outlet is switched switch it on now The BT37 Incubator does not have its own mains power on off switch Once power is applied the incubator will begin it
40. nterface See Modbus address maple Tip Use the bottle change mode see Changing the humidifier 34 to stop the gas flow while still maintaining the incubator temperature 3 2 3 Changing the humidifier A Warning Discard the humidification bottle or filter if the packaging appears damaged Do not attempt to resterilize t Note The humidifier bottle should be replaced every 4 weeks Operating the incubator 35 t Note If necessary transfer any samples to another incubator during the change The BT37 Incubator uses a disposable humidification bottle Before changing bottles you must set the incubator into the bottle changing mode This will switch off the gas supply and also show an expected alarm condition see the Status and alarm indicators 12 section Tip This is a good time to undertake routing cleaning of the incubator See Cleaning 42 To change the bottle select Change bottle from the main menu and press Enter You will then need to enter your password If your password is correct the display will switch to the bottle changing screen Refer to the section Installing the humidifierl 18 for details on how to fit a bottle When done press Enter to return to the normal operating mode t Note Ensure that bubbles can be seen through the liquid level indicator see About the incubator 5 Wait for the incubator to stabilise and the indicators to go green before returning any s
41. odbus TCP IP protocol All of the values are held within holding registers but there are some non standard requirements that must be followed in order to access the values These requirements are explained in the Modbus address maple section For normal use the only parameters that need to be accessed are held in the PID Information group These are continually updated and should not be written to For details of the addresses refer to the Modbus address mapl ad Tip For network security the BT37 Incubator should normally be left in read only mode see Allowing network write access 71 In read only mode no changes can be made to any operating parameters via the network changes to parameters will only be possible via the front panel of the incubator e BT37 Incubator Users Guide 5 2 8 1 1 Modbus address map t Note Values may be read safely without impacting on the operation of the incubator Modifying parameters should normally only be undertaken by qualified service personnel or under their guidance Entering incorrect values may impair the performance of the product The system is normally protected from external modification See Allowing network write access 71 The BT37 Incubator includes a number of variables that can be accessed using the Modbus TCP IP protocol All of the values are held within holding registers but there are some non standard requirements that must be followed in order to access the valu
42. operation Depress the switch using the tip of a ball point pen or similar object Keep it depressed for 1 second and then release The processor will then restart 4 6 Returning for service Should the BT37 Incubator need to be sent back to Planer plc for repair or if the unit is to be inspected maintained or repaired on site by Planer plc the Safety Declaration form 72 must be completed Additional information BT37 Incubator Users Guide 5 5 1 Additional information Main menu When the system enters its main operating mode a number of options are available from the menu Many of these options are not required for normal day to day use The full list of options is shown below LL NM RN Display mode See Changing the display model 30 Change bottle See Changing the humidifier 34 Configure From this option key operating parameter and calibration information can be set See Configuring the control parameters s1 and Calibration 457 Test system This function allows a system test to be performed See Running a system test 44 See Setting the passwordl 29 See Setting the passwordl 29 See Allowing network write access 71 See Standby model 381 Additional information 55 5 2 Specifications 5 2 1 System specifications 5 to 95 relative humidity non condensing Operating temperature 5 C to 40 C for safe operation See Control 551 table for control limitations 5 to 90 relative humidity non
43. or has just been switched from standby to normal operating mode temperature differences will be regarded as an expected error Expected errors are shown by a solid orange light The error condition will only be treated as expected for a period defined by the alarm expectation delay parameter This parameter is normally set to 30 minutes If the error remains after this time it will become a full alarm with flashing red indicators If the gas flow into the incubator deviates too far from its set point both indicators will show an alarm by flashing red The audible will also be activated Pressing any of the keys on the front panel will acknowledge an alarm Once acknowledged the alarm will still be indicated by a red light but it will no longer flash and the audible and external alarms will be switched off Once an alarm has been acknowledged further identical alarms will be suppressed for a period defined by the alarm acknowledge suppression parameter This parameter is normally set to 10 minutes If the alarm condition reoccurs during this period the status indicator will still show red but the audible alarm will not be activated In standby mode or when the gas bottle is being changed the status indicators will show orange This indicates that the chambers are not being actively controlled due to an operator action Introduction The status indicators are summarised in the table below alarm alarm backlight pop po fa o r
44. or this period once acknowledged at the front panel 66 BT37 Incubator Users Guide Set point manager group m CEO Alarm set point suppression Alarm expectation delay Flow rate alarms are suppressed for this period following a set point change Temperature alarms are expected for this period after a set point change 14 Auto flow calibration period Time between flow calibrations between flow calibrations EAM flow calibration a that the flow should be duration switched off for a calibration Suppress power fail External alarm delay Alarm hold off time e Ul group marker Standby mode Minimum duration of a power failure to be flagged as an alarm Period that an alarm has to have remained unacknowledged before the external alarm is triggered From version 1 0 18 Period for which an alarm condition must be present before an alarm is indicated normal 1 unexpected reset to Hab on next restart Additional information Diagnostics limits group m Es 50 Diagnostics limit marker aa 152 Temp minimum Hi Lo raw adc value 153 154 Temp maximum Hi Lo raw adc value 155 156 Flow minimum Hi Lo raw adc value 157 158 Flow maximum Hi Lo raw adc value 159 160 Reference minimum Hi raw adc Lo value 161 162 Reference minimum Hi raw adc Lo value 163 Temperature delta raw adc value 164 Flow deltat raw adc value Reference deltat raw adc valu
45. p 60 consolidated alarm 70 remote monitoring addresses 59 write access mode 71 mode display 36 modbus 71 monitoring external ports 8 interfaces 59 with Assure24seven 24 N network write access 71 O operating first time 37 incubator 28 P password resetting 30 setting 29 ports external monitoring 8 power failure battery backup 39 power off 38 standby mode 38 power requirements 56 power up cycle 28 precautions electromagnetic compatiblity EMC 5 preparation incubator 29 R remote monitoring modbus addresses 59 reset location 8 switch 51 resetting password 30 returning for service 51 routine maintenance 42 running atest 44 Gs safety 4 declaration 72 declaration of contamination status 8 73 testing 43 service returning 51 set points gas flow 32 temperature 31 temperatures explanation 57 setting password 29 shutting down standby mode 38 switching off 38 specification capacity 56 control 55 fuses 72 gas connectors 56 modbus addresses 60 monitoring interfaces 59 power 56 system 55 standby mode 38 switching off 38 switching on 28 symbols 2 equipment 3 system Index specification 55 test 44 eT temperature calibration 46 set points explanation 57 setting 31 testing 44 troubleshooting 42 50 Us use intended 2 user interface 6 write modbus 71 MA101414 Issue 9 BT37 Incubator Users Guide Medical Devic
46. pending on whether the flow is on off or purging See Setting the gas flow 32 When purging Bl Bis shown Firmware version identification First time operation When operated for the first time leave the incubator running for 24 hours at the required set point before adding any samples Check each chamber by using culture medium containing phenol red indicator Place the medium in culture dishes and leave them in both the right and left hand chambers overnight Check that the phenol red indicator has changed to the expected salmon pink colour se BT37 Incubator Users Guide 3 5 3 5 1 Shutting down the incubator Standby mode If you are shutting down the incubator for a short period of time use the cursor keys to select Standby from the main menu Press Enter to confirm the selection The system will now enter its standby mode lt Run gt e 37 1 3 15 The backlight to the display will be switched off and the system will use the minimum amount of power necessary to allow Assure24seven to continue to monitor its status Both status indicators will be switched to orange See the Status and alarm indicators 12 section To exit standby mode press the Enter key on the front panel Tip In standby mode the power supply may be disconnected without an alarm occurring 3 5 2 Switching off If the power supply is switched off the incubator will run from its internal battery and sound an alarm To s
47. r distributor 48 BT37 Incubator Users Guide The humidifier should be checked by placing the reference probe on the left hand side of the humidifier chamber so that its measuring region is positioned at the location shown below The positions X and Y are measured relative to the tube guide pivot pin X 50 5 mm and Y 35 5 mm The probe may be temporarily taped in position x N Humidifier measurement position The probe should be gently pressed against the side wall and sheltered from ambient air disturbances by placing an expanded polystyrene block between the right hand side of the chamber and the probe as shown below Expanded polystyrene block location Change the display mode see Changing the display mode 38 to show the set points for the left base right base left lid right lid and humidifier The error may be calculated by subtracting the measured temperature from the associated set point i e in the following equation SP refers to the set point and MV measured variable to the measured temperature error SP MV Routine maintenance and troubleshooting If the magnitude of the error is less than 0 1 C no change is necessary If a correction is to be applied adjust the calibration offset as follows Locate the current offset value as described in the Calibration 457 section Note the error must subtracted from the current offset e new offset current offset error Change the current valu
48. rameters via the Ethernet interface the BT37 Incubator must first be placed into read write mode From the main menu use the cursor keys to highlight the Modbus mode option Then press the Enter key You will then need to enter your password If your password is correct the Modbus options will be displayed Use the cursor keys to select the required option of either Network read only or Network read write and press Enter to save your selection BT37 Incubator Users Guide 5 2 9 Fuses 5 3 5 3 1 A Warning e Fuses should only be replaced by suitably trained service personnel e For continued protection against electric shock fuses must only be replaced with fuses of the same type and rating e Fuses should only be replaced after the cause of the original failure has been determined and corrected as appropriate Fuse location Fuse type F1 and F2 in mains inlet T 3 15A L 250V 5 x 20 mm Safety declaration form Safety Declaration For the inspection maintenance or repair of laboratory equipment to be performed by Planer plc personnel The Health and Safety at Work Act 1974 and the Control of Substances Hazardous to Health COSHH regulations 1998 include specific requirements that workers are not put at risk by handling items that may be contaminated for example as a result of their use in health care or a laboratory The requirements apply in the widest possible sense and place responsibility on the own
49. rs Guide Error counter bottom left 1 Error counter bottom left 2 Error counter top right Error counter bottom right 1 275 Error counter bottom right 2 Error counter humidifier Error counter mass flow firmware id code 5 2 8 1 1 1 Consolidated alarm The consolidated alarm provides a single value that can be used to trigger alarms in other monitoring applications This value simplifies alarm notifications in the monitoring application as it removes the necessity to add alarm thresholds for all of the available parameters The value is bit sensitive and provides an increasing value depending on the current alarm status EU E p pcs ES IET Right Red Left Red Right Red Left Red Right Left Amber Right Left Green Flashing Flashing Amber Green In most situations the value would be used to trigger an alarm in the monitoring application when either of the status indicators is red or red and flashing These conditions are summarised below Additional information Condition for which alarm is Normal value in the Alarm condition in the required in the monitoring monitoring application monitoring application application Alarm required whenever a red lamp is showing on the incubator Alarm required whenever a red flashing lamp is showing on the incubator 5 2 8 1 2 Allowing network write access In normal operation the Modbus registers 60 can only be read via the network If it is necessary to modify any pa
50. s power up cyclel 281 Power up cycle When the system is first switched on it will perform a memory check and other internal diagnostic checks It will then enter standby model 381 In standby mode the backlight to the display will be switched off and the system will use the minimum amount of power necessary to allow external applications to continue to monitor its status see External monitoring 24 lt Run gt 37 1 37 156 To exit standby mode press the Enter key on the front panel The incubator will then begin to control the chamber temperatures and gas flow Tip When the incubator leaves standby mode alarms will be marked as expected See Alarm indicators 12 for more details If the system detected that it had previously been switched off while in normal operating mode it will not enter standby mode on power up but will begin controlling the chambers immediately This is regarded as a fault condition having occurred and an alarm will be raised Operating the incubator 2 Tip Before switching off the incubator always put the system into standby mode See Standby mode 38 and Switching oftl 387 Should the system detect a memory failure at start up it will always enter standby mode and alarm All settings will revert to their factory default conditions w Note In the rare case of a memory failure you must check the configuration of the machine to ensure that the settings are correct for
51. the Modbus address mapl60 section 1a BT37 Incubator Users Guide Installing the system 16 BT37 Incubator Users Guide 2 2 1 Installing the system A Warning The incubator weighs 15 5 kg with the bulk of the weight biased to one end Take care when lifting the unit Carefully unpack the equipment Place the incubator on a secure flat surface Ensure that the incubator is located away from any direct sources of heat or cold such as heaters or air conditioning units Ensure that an air gap of at least of 25 mm is maintained between the sides of the unit and any other equipment or walls Before use clean the incubator as described in the Cleaning 42 section Connecting the gas supply A Warning Do not exceed the maximum input pressure of 1 65 bar 24 psi The incubator is intended for use with medical grade premixed CO It must not be used with oxygen rich gases or flammable or explosive mixtures The system is designed to run from a premixed gas supply The concentration of CO required to maintain the pH depends upon the medium the required pH humidity and altitude at which the unit is being operated Refer to the media manufacturer s recommendations for details of the required gas mixture to be used t Note e The incubator chambers are open to atmosphere via the gas vents at the rear of the unit see also Cleaning 42 As such the chambers are nominally at atmospheric pressure
52. ubator holds the humidifier bottle 1 Humidifier chamber lid 2 Gas inlet with luer lock fitting for filter filler shown 3 Front tube with luer lock fitting for gas filter 4 Gas supply tubes to left and right chambers 5 Bottle containing sterile water 6 Tube guide Introduction 11 A clear humidifier cover is also provided This fits on top of the tube guide and protects the tubing when the humidifier chamber lid is lifted This panel is shown below Clear cover 12 BT37 Incubator Users Guide 1 5 5 Status and alarm indicators The BT37 Incubator has two indicator lights at the front of each chamber as shown below 1 2 wy w 1 Left chamber status indicator 2 Right chamber status indicator In addition to the visual indicators the BT37 Incubator also includes an audible alarm and connections for an external alarm Details on connections to the external alarm are provided in the section External alarm connections 571 t Note The external alarm effectively mirrors the operation of the audible alarm However it is delayed for a period defined by the external alarm delay parameter This is normally set to 5 minutes In normal operation these indicators will be green If the temperature of a chamber is too far away from its set point the indicator will usually indicate this by flashing red The audible alarm will also be activated If the temperature set point of a chamber is modified or the incubat
53. ue press the Enter key to proceed to the next digit Continue in this manner until Edit is selected as shown below Using the cursor keys on the Edit entry will allow two other options Ok or Cancel to be shown Selecting Edit will move the cursor back to the start of the number to allow any errors to be corrected Cancel will discard any modifications made Ok will accept the changes Press the Enter key to make your choice 3 BT37 Incubator Users Guide 1 5 2 The rear connections All connections to the incubator are located at the rear of the unit 1 IEC mains power inlet 2 Premixed gas inlet 3 Daisy chain gas outlet 4 Reset switch 5 Ethernet output for data collection via external monitoring application see External data collection 24 6 Alarm output 1 5 3 External monitoring ports The BT37 Incubator is fitted with 3 access ports on each side of the chamber to allow independent temperature probes to be fitted The three ports for the left hand chamber are shown in the diagram below There are three identical ports on the right hand chamber These ports are also used for calibrating the unit see Calibration 451 Details of the sensor dimensions are given in the Monitoring 59 section Introduction 9 1 Lid monitoring port 2 Base rear monitoring port 3 Base front monitoring port E BT37 Incubator Users Guide 1 5 4 The humidifier chamber The central chamber of the inc
54. unit to the premixed gas inlet of the next A suitable hose can be obtained from Planer plc e X e e _ 1 9 E NH l o ome 2 m j 10 K _ o o r y 1 1 Gas inlet from premixed gas supply 2 Daisy chain gas connection Once all gas connections have been made check that they are leak free by covering with soapy water and looking for any bubbles If any bubbles are observed gently tighten the joint If bubbles continue switch off the gas supply and then disconnect and check the fitting for any debris before reconnecting Installing the humidifier The BT37 Incubator uses a disposable humidification bottle with integral tubing and an inlet filter A Warning Discard the humidification bottle or filter if the packaging appears damaged Do not attempt to resterilize w Note The filling of the bottle and tube fitting must be undertaken using aseptic technique Unscrew the cap from the humidification bottle to remove the tubing from the bottle Ensure that there are no kinks or twists in the tubing Fill the humidifier bottle with 125 mL of sterile distilled water Installing the system EM Remove the cap from the luer lock fitting at the end of the inlet tubing Ensure that there are no kinks or twists in the tubing Refit the cap to the bottle Ensure the tube orientation is correct with the tube exit positions running in a straight line from front to back with the luer lock tube connector
55. witch the unit off for a long period place the system into standby mode 38 and then switch off the power at the main wall power outlet t Note If you switch the unit off before you enter standby mode the system will alarm and try to run from its internal battery Operating the incubator 89 3 6 Battery backup A Warning The internal battery is not user replaceable The BT37 Incubator is fitted with an internal sealed lead acid battery that is designed to support the incubator should the mains power supply fail The exact period that the battery can support the incubator depends upon the charge state and the amount of energy that is being used to maintain the required temperature The battery can typically maintain the set point for 120 minutes If the mains power supply is disrupted while the unit is in standby mode the incubator will be switched off and no alarms will sound This is the normal method of shutting down If mains power is disrupted a power fail alarm will be triggered The status indicators will flash red and the audible and external alarms will be switched on If any key is pressed the status indicators will stop flashing but will remain red until power is restored The audible and external alarms will be switched off when the alarm is acknowledged If the incubator is left running from the battery when the system detects that the battery is low the status indicators will start to flash again and the audi
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