Okolab CO2-UNIT-BL Manual Download Page 45

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Cleaning & Maintenance

Cleaning
Please, follow the instructions below to clean CO2-UNIT-BL:

−

Use a polishing cloth or dry cloth to wipe off dust and dirt.

−

Before cleaning the unit, pull out the main plug.

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Liquids should not be entered inside CO2-UNIT-BL.

Maintenance

−

Verify periodically the status of all hoses/tubing. If some hoses/tubing is damaged, contact Okolab to
receive assistance.

−

After 2 years, disconnect all polyurethane tubing, cut the last 1 cm of the tubing and reconnect them.

−

Replace the PTFE filter (on the rear panel of the unit and along the tubes) each 2-3 months of continuous
use or when it is present water in the inner part of the filter.

−

Okolab Air pumps have to be replaced every 18-24 months.

Summary of Contents for CO2-UNIT-BL

Page 1: ...CO2 UNIT BL Gas Controller Manual IST1140_REV03 SV 3 12 3 3048 ...

Page 2: ...This page was left Blank ...

Page 3: ...eter 21 9 2 1 2 2 Sensors with calibration gas 23 9 2 1 2 2 1 View 24 9 2 1 2 2 2 Span Settings 24 9 2 1 2 2 3 Factory Reset 24 9 2 1 2 2 4 Start Span 25 9 2 1 2 2 5 Start Zero 25 9 2 1 2 3 Factory Reset 26 9 2 1 3 Flowrates 27 9 2 1 4 Gas cycles 28 9 2 1 5 Status 30 9 2 1 6 Digital Input 30 9 2 2 Touch Screen configuration 31 9 2 2 1 Touch Screen Options 31 9 2 2 2 Touch Screen Brightness 32 9 2 ...

Page 4: ...roller to control output gas Relative Humidity and with Okolab air pump OKO PUMP BL which enables to use background air as a convenient alternative to compressed air The CO2 UNIT BL is operated via the OKO TOUCH touch screen control panel to be ordered separately OKO TOUCH features on board memory for data logging and mini USB port for data download In addition data logging is possible via SMART B...

Page 5: ...rument Tip Supplies you with helpful suggestions Note Supplies you with important information to successfully use the instrument Symbols on the product label CE MARKING this symbol indicates product compliance with EU legislation PRODUCT DISPOSAL this symbol indicates that this product must not be disposed as urban solid waste This symbol indicates the product production date This symbol indicates...

Page 6: ...ntact with or breathe any gas stream whose composition is different from that of ambient air Prevent throttling and kinking of tubing Check tubing time to time for possible material usage Check that all tubing ends are well inserted into the connectors so they cannot slip off This device is not designed for use for medical applications Install safety valves and adequate pressure regulators on gas ...

Page 7: ...vice Unit should never be used where it can fall or be pushed into water International caution symbol marks this device It is important to read the Safety Notes before installing using and commissioning this device as the notes contain important information relating to safety and EMC Not following these instructions can result in damage or breakdown of the device and its accessories We reserve the...

Page 8: ...ter in the middle Use TUBE C to connect the CO2 Controller to your device or to the humidifier if it is present 5 Pressure Gauge for CO2 regulator assembly stirrup x1 Install pressure gauge between the pure CO2 tank pressure regulator and the CO2 Controller input port 6 24V DC Power Adapter x1 Figure 1 CO2 UNIT BL components 5 GAS supplied requirements CO2 CO2 must be available at 1 4 barg 20 3 ps...

Page 9: ...ace 1 RS232 Serial cable To connect the Touch Screen to the unit MINI USB OTG cable To connect a USB pen to the OKO TOUCH for data download OKO AIR PUMP BL H101 BASIC BL H101 CRYO BL H201 T UNIT BL H301 T UNIT BL PLUS HM ACTIVE H101 HM HM VF Figure 2 CO2 UNIT BL within a typical H301 configuration ...

Page 10: ...and store data from a PC It may be used to change parameters of the controllers via PC Data can be exported in xlsx format Figure 3 DATA LOG software SM BL Smart Box To store data to operate the controllers via web smartphone tablet and to allow remote assistance for service ...

Page 11: ...or for the TUBE CB 5 Gas Output 6 Power Input 7 OKO AIR PUMP BL connector Leave unplugged if CO2 UNIT BL is not equipped with OKO AIR PUMP BL 8 HM ACTIVE connector Leave unplugged if CO2 UNIT BL is not equipped with HM ACTIVE 9 GPIO General Purpose Input Output connector 10 USB connector 11 Air Input Push to fit Input connector for 6 mm O D rigid tubing to supply air to the unit 12 CO2 Input Push ...

Page 12: ...9 Figure 5 Gas Controller Rear Panel Overview ...

Page 13: ...and CO2 UNIT BL Follow the arrow on the rear of the Pressure Gauge for the correct Gas In Out see Figure 6 GAS IN GAS OUT Figure 6 Input and Output gas ports See symbol on the rear of Pressure Gauge On the bottom of the Pressure Gauge there is an automatic purging valve Close it before operating the Pressure Gauge To close the purging valve looking at the regulator vertically from the top knob pul...

Page 14: ...ir CO2 flow before it enters in contact with CO2 UNIT BL gas sensors Connect the TUBE CB with the Filter In and Filter Out connectors on the rear panel of CO2 UNIT BL 3 4 in Figure 5 Make sure the Filter In label side of the filter is always connected to Filter In connector on the rear panel of CO2 UNIT BL see Figure 9 Note CO2 UNIT BL cannot operate if the TUBE CB is not connected Note The improp...

Page 15: ...the connectors push the red or black rubber ring while pulling the tubing Tip If the tubing does not come out easily do not force it simply make sure the rubber ring is properly pushed Figure 10 How to connect tubing to push to fit connector Before disconnecting any of tubing connected to CO2 UNIT BL make sure there is no residual pressure by adjusting the pressure gauges upstream of the system an...

Page 16: ...ve to connect TUBE B between the Air Pump and the connector labeled Air on the rear panel of the CO2 Controller see Figure 12 Figure 12 CO2 Tank and Air Pump connections to the back panel of the CO2 Controller 5 Connect the touch screen interface OKO TOUCH to the CO2 UNIT BL with the RS232 serial cable as illustrated in Figure 13 ...

Page 17: ...he front of CO2 UNIT BL will stop blinking and will turn steadily on The Homepage will appear on the touch screen the color of the Status Indicator see 1 in Figure 16 and Figure 18 on the gas tab will be yellow at the start 11 Select the Setpoint gas composition from the touch screen Homepage see Paragraph 9 1 1 12 The light indicator on the Homepage becomes green when the Setpoint compositions ar...

Page 18: ...H Touch Screen interface Homepage Tip If not all the parameters appear on OKO TOUCH Homepage then the Control Units are not properly connected Please check that the bus ports are properly aligned see Figure 15 Figure 15 CO2 UNIT BL and H301 T UNIT BL PLUS on stock If you have CO2 UNIT BL and a Bold Line T controller it is essential to read both this manual and the Bold Line T controller User Manua...

Page 19: ... 1 5 Chart history length set at 5 minutes 6 Display mode Touch here to switch display mode 7 Overview page 8 Settings Press here to access system options and settings 9 Home To open the homepage 10 Product info Press here to know generic info about CO2 UNIT BL and running time Tip The OKO TOUCH is pre set at a 5 CO2 concentration hence when you switch it on the system will start operating to reac...

Page 20: ...int by clicking on and Once you have input the new CO2 Setpoint press Set 2 in Figure 17 b to save or Cancel to undo Tip After any change in the Setpoint value CO2 UNIT BL enters into a transient regime the Status Indicator and the TOP LED turn yellow see paragraph 9 1 2 During the transient regime CO2 UNIT BL will not trigger on alarm ...

Page 21: ...in the maximum time defined by the operator see paragraph 9 2 2 5 the Gas Controller Status changes to ALARM and the color turns ORANGE Controller Status TRANSIENT The ORANGE color indicates that the current gas concentration is not correct and its value is out of the set tolerance see section ALARMS in paragraph 9 2 2 5 Most commonly this is related to gas leaks or gas source s running low Verify...

Page 22: ...ings Submenu press the Gas Icon see Figure 19 b Then the page shown in Figure 20 appears Figure 20 Gas Settings submenu 9 2 1 1 Air Source Press the icon to set which Air source you are using see Figure 21a If this is an external Air tank or compressed Air line Compressed Air or if you are instead using the OKO AIR PUMP BL Air Pump see Figure 21 b ...

Page 23: ...ereby set the correct Air source Press on Usage button see Figure 22 a to check reset the usage time of the Air Pump Figure 22 Air pump usage a b Tip Do not forget to reset the time counter after replacing the Air Pump Press on Adv button see Figure 23 a to change the Air pump speed You can add an offset in the range 10 10 by using the icons or scrolling the Air pump speed offset bar see Figure 23...

Page 24: ...alibrate the instrument by using an external CO2 meter NOT hereby provided Figure 25 How to enter a gas offset calibration To run the gas sensor calibration through an external gas meter follow the indications below 1 Disconnect the blue tubing inserted into the Gas Output port Remove it by keeping the rubber ring of this connector pushed in you should feel no resistance in pulling this tubing out...

Page 25: ... press on the External Probe Tab 5 The Figure 27 b appears Press on icons to input the CO2 level read by the external Gas meter i e 5 5 then press Save Figure 27 Manual Calibration a b Note The Touch Screen will go back to the previous screen It will display on the left External Probe tab CO2 level read by the external Gas meter as you have just input The value in the CO2 Unit tab is the value tha...

Page 26: ...lly if you are unsure on the calibration you have just performed or if for any reason you want to reset to the factory calibration simply go to the Sensor Calibration page Figure 25 and press Factory Reset 9 2 1 2 2 Sensors with calibration gas This function allows performing a calibration using a Span Gas or pure Air or pure N2 Tank Before starting the instrument calibration make sure you have th...

Page 27: ...settings see Figure 32 a and insert the exact gas composition of your span gas tank see Figure 32 b Figure 32 Span Settings Menu a b 9 2 1 2 2 3 Factory Reset Press on Factory Reset icon to reset Gas Calibration to factory After clicking a pop out message will appear If you are sure to proceed and restore factory values press Reset as shown in the Figure 33 b a b Figure 33 Factory Reset Menu a b ...

Page 28: ...K and the controller will ask for connecting the span tank at 1 4 barg to the Air Input located on the rear panel of the CONTROLLER the Span Gas Calibration will start after pressing OK see Figure 35 a and the progress bar will appear as shown in Figure 35 b a b Figure 35 Span calibration running a b 9 2 1 2 2 5 Start Zero Press the Start Zero icon to perform a new Zero Calibration see Figure 36 a...

Page 29: ...Figure 37 a the Zero Calibration will start after pressing OK and the progress bar will appear see Figure 37 b Figure 37 Flowrates view a b 9 2 1 2 3 Factory Reset If you are unsure about the calibration you have just performed or if for any reason you want to reset to the factory calibration go to the Sensor Calibration page and press on Factory Reset icon Figure 38 Sensor calibration factory res...

Page 30: ... 0 1 L min by scrolling the Total Flow bar 1 in Figure 40 in the page that opens Figure 39 Flowrates View a b Figure 40 How to change the total flow rate Note You can set the flowrate at 0 0 l min in this case the gas flowrate will be paused and output flow will be interrupted see Error Reference source not found In this working mode three dots will appear i n Homepage instead of CO2 current value...

Page 31: ...want to switch SP1 Setpoint 1 and SP2 Setpoint 2 as shown in Figure 42 a 2 Set the duration in hours and minutes you want the system to dwell on each concentration 1 2 in Figure 42 b 3 Set the number of cycles Number you want the system performs 3 in Figure 42 b Finally press Next 3 in Figure 42 b Figure 42 CO2 Concentration cycles settings a b 4 Once you have adjusted the settings the Cycle Summa...

Page 32: ...the time set A concentration cycling icon will be displayed on the Homepage as a reminder see Figure 45 Figure 45 Icon in Homepage during a CO2 cycle Note Trying to change Setpoint or starting a new cycle while a cycle is still running will open the window in Figure 46 You can press Abort to abort the cycle Pressing View will open the current cycle settings Press Home to undo ...

Page 33: ...s available only for TTL ready optional controller TTL feature allows to change Setpoint between two specified values using a TTL signal see Figure 48 b The TTL is a digital input for our Units and has only two values High and Low The Setpoint values for High TTL value and for Low TTL value can be set using OKO TOUCH via GPIO connector When TTL Control is enabled the user cannot change the Setpoin...

Page 34: ...e The Display Options menu allows to set the time frame in which the minimum and maximum CO2 values are collected To insert the time frame press the icons or scroll the Chart history length bar 1 in Figure 50 b Note The chart history value length is pre set at 5 minutes Note Recommended value for the chart history length is 60 or 120 minutes To change the sound frequency press the icons or scroll ...

Page 35: ... icons in the page that opens to modify display Brightness Set the required configuration and press Save 2 in Figure 51 b to confirm a b 1 2 Figure 51 Brightness display page a b 9 2 2 3 Touch Screen Visual Effects icon and glance mode Press on the icon to enter the Display visual effects menu see Figure 52 a a b Figure 52 Visual Effects a b ...

Page 36: ...llow the color coding reported in 9 1 2 Tip To swap between Icon and Glance mode press on the icon see paragraph 9 4 9 2 2 4 Date Time To set Date Time follow the instructions below 1 Press the Date Time icon see Figure 53 a 2 Set the values by using the icons 1 and 2 in Figure 53 b Tip Flag the 24 hours box if you want to use the hour format based on 24 hours 3 in Figure 53 b 3 Click on Save to c...

Page 37: ...his example the following settings are displayed valid only after the system has reached its stationary state if the Gas Deviation from Setpoint is 0 5 or greater i e if Setpoint gas is 5 0 and the composition reaches a value equal or less than 4 5 or equal or more than 5 5 for a period of time equal or longer than 10 minutes Gas Time set in this example then the system triggers an Alarm Tip After...

Page 38: ...con on the window that opens next see Figure 57 b Figure 57 a How to enter the setting menu b how to enter the Touch Screen menu 2 Press on Logging icon see Figure 58 a and flag Internal memory in the page that appears see Figure 58 b Tip When activating the logging on the internal memory you can access the Logging page also by pressing the activated logging icon on the Homepage as shown in Figure...

Page 39: ...n in Figure 60 In this example a data point is logged every 30 seconds you can change Time Interval in the range 1 60 seconds a b Figure 60 How to set the logging time a b 4 Choose how you want to organize the data when downloaded by pressing on Day Week or Month see Figure 60 a Tip If you select Day the data will be split in files each one containing the data of one day If you select Week the dat...

Page 40: ...ded files a b Figure 62 Downloaded files on the pen drive Note If you press on the screwdriver icon see Figure 63 a you can view the logging starting date the available memory and the latest download see Figure 63 b Note The available memory depends on the time interval you have inserted in the Logging page The default logging Time Interval is 30 seconds a b Figure 63 Internal memory status a Logg...

Page 41: ...is case OKO TOUCH warns you that a USB drive must be connected to the USB port see Figure 65 b and will store the data on the USB drive Figure 66 Logging to USB drive Note When connecting the USB drive to OKO TOUCH a USB drive icon appears on the Homepage If you activate the logging on USB drive a red dot appears on the USB drive to remind that the USB drive should not be disconnected while data l...

Page 42: ... you may be asked for some of these data Icon and Glance Mode View CO2 UNIT BL features two display modalities Icon mode and Glance Mode as shown in Figure 68 a and b You can swap between the two display modalities by pressing on icon Figure 68 Display modalities a Icon Mode b Glance Mode Info page Press the icon to access the Info Page as shown in Figure 69 This page contains the information rela...

Page 43: ...40 Figure 69 Info page selection Figure 70 Info page OKO Touch a and CO2 UNIT BL b Tip Please have this information handy when contacting Okolab for support ...

Page 44: ...t the Touch Screen Calibration see Figure 71 While holding the button the pop up message shown in Figure 72 a appears Then tap blue calibration dots until the calibration is complete see Figure 72 b Figure 71 How to enter in Touch Screen Calibration a b Figure 72 Start Touch Screen Calibration a b ...

Page 45: ...aintenance Verify periodically the status of all hoses tubing If some hoses tubing is damaged contact Okolab to receive assistance After 2 years disconnect all polyurethane tubing cut the last 1 cm of the tubing and reconnect them Replace the PTFE filter on the rear panel of the unit and along the tubes each 2 3 months of continuous use or when it is present water in the inner part of the filter O...

Page 46: ...o contact Okolab should you need any further commercial information or technical support For HARDWARE SUPPORT sibillo oko lab com Phone 39 081 806 3470 Fax 39 081 876 4410 Mobile 39 348 96807 18 For COMMERCIAL SUPPORT WORLDWIDE lanzaro oko lab com Phone 39 081 806 2624 Fax 39 081 876 4410 Mobile 39 348 96807 17 For COMMERCIAL SUPPORT US CANADA foppiano oko lab com For COMMERCIAL SUPPORT CHINA tong...

Page 47: ...e InfraRed NDIR dual wave length detector Recommended Calibration Interval 1 year Input Gas CO2 Air Total Flow rate 0 0 1 0 L min 0 4 L min max with OKO AIR PUMP BL Operating Temperature 0 C 55 C 23 C suggested Storage Temperature 5 C 60 C Operating Humidity 0 70 Power Consumption Input 24 V DC 85 W max Weight 3 Kg Table 1 Technical specifications ...

Page 48: ...streams Regulators closed Open regulators No CO2 Air arrives to the incubating chamber Missing connection Make sure you ve attached the PTFE filter on the back of the CO2 UNIT BL Pinter 1 and 2 in paragraph 7 Acoustic alarm sounds The current CO2 value is far from CO2 set point Check the CO2 and Air supplies The little led on the front of the Control Unit is green but the Oko Touch is off Serial c...

Page 49: ...View Sensor calibration status 24 Figure 32 Span Settings Menu a b 24 Figure 33 Factory Reset Menu a b 24 Figure 34 Start Span calibration a b 25 Figure 35 Span calibration running a b 25 Figure 36 Start Zero calibration a b 26 Figure 37 Flowrates view a b 26 Figure 38 Sensor calibration factory reset 26 Figure 39 Flowrates View a b 27 Figure 40 How to change the total flow rate 27 Figure 41 CO2 C...

Page 50: ...0 Figure 70 Info page OKO Touch a and CO2 UNIT BL b 40 Figure 71 How to enter in Touch Screen Calibration 41 Figure 72 Start Touch Screen Calibration a b 41 16 Manual Revision Table Revision Number Additions or changes Date 01 Edited March 2017 02 Replaced some images May 2018 03 Review layout June 2018 04 Equipment correction May 2019 05 Cleaning Maintenance January 2020 06 Edit new form factor U...

Page 51: ... Okolab S r l neither assumes responsibility for any omissions or errors nor assumes liability for any damage that may results from improper use of its products in accordance with information provided by Okolab S r l Okolab S r l warrants only the parts manufactured by Okolab S r l to be free of defects Okolab S r l makes no other warranties or representations of any kind whatsoever express or imp...

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