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1. Fig 2 Switching off test chamber by pressing main switch Design and description 2 Design and description 2 1 Design memmert Fig 3 Design of TTC temperature test chambers and CTC climatic test chambers Controller operating panel see page 28 Main switch push turn control see page 27 Temperature sensor See page 21 Laptop optional see pages 27 and 43 Laptop holder special accessories see page 21 Chamber fan Chamber seal Interior for chamber load Fan air filter of cooling unit see page 63 0 USB connection communication inter faces see also Fig 4 and page 55 aAOOND Gi A Go Nom 11 Additional socket 230 volt max 5 amp see also Fig 4 12 Locking swivel castors 13 Drawer for water tank with document compartment only for CTC climatic test chambers see page 22 14 Nameplate see page 16 15 Door seal 16 Door 17 Handle to open and close door see page 25 18 Side feed through to chamber 80 mm diameter memmert Design and description Fig 4 Connection panel at bottom left of appliance base see Fig 3 Items 10 and 11 Socket 230 volt max 5 A Floating switch contact SP setpoint reached for message that the temperature in the chamber lies within a tolerance range of 2 K Load capacity 24 volt 2 amp optional Floating switch contact alarm for error display Load capacity 24 volt 2 amp optional Additional freely positionable Pt100 temperature sensor optional
2. m in m H t N N N qo di A oe foo oe 4 N N N a o 4 H g H N Mm z Z Z 4 g j Fig 32 Connecting one or more test chambers to a network using an Ethernet interface schematic diagram For identification purposes each appliance connected must have its own unique IP address Each chamber is delivered by default with the IP address 192 168 100 100 The programme XTADMIN which can be found on the Celsius Ethernet CD ROM can be used to change the IP address BA How to set the IP address is described in the supplied manual for Celsius 56 memmerf Advanced functions 7 6 4 Log memory The controller continually logs all relevant measured values settings and error messages at 1 minute intervals The internal log memory is listed as a ring memory i e the oldest log data are always overwritten automatically with new data The logging function cannot be switched off but is always active The measured data are stored in the controller safe from manipulation For documentation purposes the controller memory can be read out via the Celsius control software Each dataset is stored with a unique timestamp The internal log memory has a size of 1024 kB This corresponds to a storage capacity for about three months in permanent operation Since large amounts of data are stored during ramp mode this can reduce the maximum log ging time If the power supply is interrupted the time of the
3. Floating switch contacts A B and C can be switched depending on programme via Cel sius software Load capacity 24 volt 2 amp optional USB interface Parallel printer port NO VI A Ww Nom 2 2 Description 2 2 1 Temperature operation The test chamber can heat the interior up to 190 C and cool it down to 42 C To avoid condensation in the interior the appliance has various heating systems low voltage door frame and seal heating contacted via door contacts gt condensation water outlet pipe heating gt heated glass sheet and glass frame heating only for the glass door option The temperature is lowered through an integrated cooling unit 2 2 2 Humidity operation only CTC climatic test chamber The CTC climatic test chamber can in addition lower humidity in the chamber to 10 rh or increase it to up to 98 rh Humidification takes place via a PTC hot steam generator The amount of steam is controlled by two self priming tube dosing pumps Dehumidification takes place through controlled cooling the evaporator temperature below the dew point Humidity measuring takes place via a temperature resistant capacitive humidity sensor The humidity setpoint can be adjusted within the range 10 to 98 rh If a humidity setpoint of 0 rh is set the humidification and dehumidification control is completely deactivated Design and description memmert Important The relative air humidity can only be set in the t
4. For test samples which require wires during the test for power supply or for measuring purposes the test chamber is equipped with a cable feed through on the right hand side Fig 18 see also page 10 Pull out the silicone plugs if they are plugged in Fig 18 and push the wires into the interior of the chamber Then re insert the plugs and press them tight so that no heat humidity can escape from inside the chamber through the feed through Fig 18 Cable feed through with plugs in the right hand side of the appliance 26 memmert Operation and control 5 6 Basic operating information 5 6 1 Switching appliance on and off The test chamber is switched on and off by pressing the main switch push turn control on the front of the appliance Switching on press the main switch so that it comes out of the appliance Fig 19 Switching off press the main switch so that it retracts back into the appliance Fig 20 Fig 19 Fig 20 Switching on test chamber Switching off test chamber i For safety reasons the cooling system may still run for up to two minutes after be ing switched off to set itself to a safe state 27 Operation and control memmert 5 6 2 Operating panel controller In normal and programme modes the desired parameters are entered on the operating panel of the controller on the front of the appliance Fig 21 Basic settings as well as those for time and printing can also be made here In ad
5. humidity balance point 3 Setting the compensation correction values in the SETUP If the measured reference humid ity is too low the compensation correction value must be set with a negative sign 4 Perform a control measurement with the reference instrument The procedure can be performed with humidity balance points of 20 rh and 90 rh Example Humidity deviation at 90 should be corrected 1 Set humidity balance point in the SETUP to RH 90 and set the accompanying compensation correction value to GE rh 53 Advanced functions memmert 2 With a calibrated reference instrument an actual humidity of 88 rh is measured at nor mal operation with a set setpoint humidity of 90 rh 3 Set the compensation correction value in the SETUP for RH 90 to 2 0 rh 4 The reference instrument should display 90 0 rh after the calibration procedure With RH 25 a further comparison can be programmed at 20 relative humidity Ifall compensation correction values are set to GG RH the factory calibration settings are restored 7 5 Automatic defrosting system The integrated automatic defrosting system for the cooling unit ensures the perfect running of the test chamber at low temperatures and in permanent operation The time values for the automatic defrosting system are set in the SETUP submenu under DEFROST see Chapter 7 2 Basic appliance settings Setup on page 46 If the device is defrosted DEFRO is displayed
6. 1730 Chamber volume liter 256 Weight kg lt 320 lt 350 Performance W 7000 max number of sliding grates 6 max load per sliding grate kg 25 max load per appliance kg 100 Temperatures min max 42 C 190 C Adjustment precision 42 C 100 C 0 1 C 100 C 190 C 0 5 C Monitoring SOSE 200 C Humidity 10 98 rh Refrigerant R 404 A 1700 g Noise level lt 62 dBA Air circulation in chamber lt 1200 m h Electrical equipment Operating voltage 3N 400 V Current consumption 10 6 A Safety class 1 acc to EN 61010 Degree of protection IP 20 EN 60529 Interference suppressed class B acc to EN 55011 Fuses 250 V F 15 A Design and description memmert Fig 10 Dimensions of CTC TTC test chambers 2 10 Environmental conditions gt The test chamber may only be used in enclosed rooms and under the following environ mental conditions Ambient temperature 16 C to 28 C Air humidity max 70 not condensing degree of pollution 2 Altitude of installation max 2000 m above sea level gt The test chamber may not be used in areas where there is a risk of explosions The ambi ent air must not contain any explosive dusts gases vapours or gas air mixtures The test chamber is not explosion proof gt Heavy dust production or aggressive vapours in the vicinity of the appliance could lead to sedimentation in the chamber
7. 3 3 Setting the fan speed Turn the push turn control to the right until the fan display flashes With the SET key held down set the fan speed to 40 with the push turn control four bars light up Release the SET key The fan is now running at 40 4 Setting the monitoring temperature Turn the push turn control to the right until the monitoring temperature and the MIN or MAX icon flashes Hold down the SET key and with the push turn control set the overtemperature limit to 55 0 C and the undertemperature limit to 45 0 C Turn the push turn control to the right until the monitoring tempera ture and the AUTO icon flash Hold down the SET key and make your setting with the push turn control The tolerance band is set in the SETUP menu see Chapter 7 2 5 Setting the humidity setpoint only for CTC 256 Turn the push turn control to the right until the humidity dis play flashes Hold down the SET key and set the desired humid ity setpoint of 70 0 rh with the push turn control After releasing the SET key the humidity setpoint briefly flashes Then the current humidity value appears on the display and the controller begins to move to the set value w The humidification process is indicated by the symbol The test chamber is now running in permanent operation with the set values 32 memmert Operation and control 5 8 3 Week time switch In this operating mode the week time switch is active an
8. 4 Check the safety labels and renew warning stickers if necessary see Fig 1 on page 7 Fig 38 Condensation water runoff tube 62 memmert Maintenance and Servicing 8 4 Adjust door A well closing door is indispensable for temperature and climatic test chambers On Memmert appliances the tight closing of the door is optimally guaranteed by a chamber seal and door seal In permanent operation it is possible that the flexible seal material will settle To ensure that the door closes exactly despite this an adjustment may be necessary 1 Undo the grub screw with a Torx TX8 tool Fig 39 This is fixed with locking paint and can be undone with a jolt 2 Adjust door by turning the eccentric tappet re 2 with a screwdriver fig 39 Adjusting the door 1 Grub screw 3 Tighten the grub screw again 2 Eccentric The locking plate Fig 40 can also be adjusted 1 Undo screws 1 2 Move locking plate in direction of arrow 3 Tighten the screws again 8 5 Removing cleaning the air filter of the cooling unit 1 Open door 2 Remove and empty the drip tray Fig 41 l Bm l 3 Pull out the filter by the handle on the top Fig 40 Adjusting the locking plate Fig 42 1 Undo screws 4 Clean filter in a dishwasher or with a steam cleaner 5 Push the filter back in and reinsert the drip tray Fig 41 Removing drip tray Fig 42 Pulling out air filter 63 Maintenance and Servicing memm
9. as 50 of the set tolerance band of the set point in the example 50 C 1 C is reached again section A If the temperature setpoint is altered the ASF is automatically disabled temporarily see in the example The setpoint is changed from 50 C to 25 C section D until it has reached the tolerance range of the new temperature setpoint section E C 52 52 C 50 C p Didi p DiLidllidtlidleii 7 Olt Li fl Li fl Lt belt 2 ILL Life la lt Lt LEE ig 48 C 48 C 27 C 25 ELLI DL I Oils tll AL L 230 t LNE AUTO Na AUTO Naa AUTO ASF alarm Fig 29 Schematic diagram of how the ASF temperature monitoring functions Switching on the automatic temperature monitor Select the AUTO icon with the push turn control Hold down the SET key and set to on with the push turn control Switching off the automatic temperature monitor Select the AUTO icon with the push turn control Hold down the SET key and set to off with the push turn control The tolerance band for the ASF can be set in the SETUP in the range 23 C see Chap ter 7 2 Basic appliance settings Setup on page 46 50 memmerf Advanced functions 7 3 3 Warning messages A repeated acoustic signal indicates an error in the temperature control system or in the hu midification system It is set off in the following cases Overtemperature limit is triggered Check the MAX setting and increase if necessary see Chapter 7 3 1 Electronic tem
10. chamber inte rior the viewing window and the chamber load may be very hot or very cold You could suffer from burns or frostbite if you touch these surfaces Allow the chamber interior to first adjust to room temperature after opening the door or use heat resistant protective gloves Fig 17 Opening and closing the door To open the door pull the handle upwards and swing the door open Fig 17 To close the door press the handle downwards 5 4 1 Opening and closing the door with high and low temperatures The airtight construction of the climate chamber leads to physical effects when opening and closing the doors due to the temperature dependent volume change of the enclosed air At high temperatures excess pressure is produced in the chamber since the ambient air in troduced heats up and expands Do not close the doors with force in this case but wait a few seconds before closing so that the excess pressure can dissipate To do this press the door lightly wait until the excess pressure has dropped and only then close the door properly At low temperatures a vacuum is created in the chamber after the doors have been closed As long as the pressure is not compensated it is difficult to open the doors In this case you should wait for two minutes until the pressure is compensated The pressure compensation can be accelerated considerably by removing the silicone plugs Fig 18 on page 26 25 Operation and co
11. of the chamber must be guaranteed at all times Abb 11 Minimum clearance from walls and ceiling Position the test chamber exactly level After installing lock the front swivel castors 20 memmert Putting into Operation 4 Putting into Operation e Caution 1 The test chamber may not be put into operation before 24 hours after installation at the point of operation so that any oil that may have penetrated the tubing can flow back into the compressor of the cooling unit and return to room tempera ture 4 1 Checking the door and adjusting if necessary A well closing door is indispensable for temperature and climatic test chambers The door may have been twisted during transport You should therefore check whether the door closes properly and the seals are in the correct position Adjust door if necessary description on page 63 4 2 Checking the temperature sensors Especially strong vibrations during transport could result in the temperature sensors being moved in their holders in the working chamber Before operating for the first time check the temperature sensors for their correct positioning and if necessary adjust their position in the holder Fig 12 Open the door to do this see page 25 Fig 12 _ Checking the temperature sensors sand ad justing if necessary 4 3 Install and connect laptop EN The test chamber can be optionally fitted with a laptop which can be used to programme and
12. optional see page 43 29 Operation and control memmert Ci CO kn Cer Normal mode Week time Programme Printer Basic appliance see page 30 switch mode see page 46 settings see page 33 see page 35 see page 46 Fig 22 Operating modes 5 8 Operating mode settings y 1 Switch on appliance by pressing the main switch main switch comes out of appliance see Fig 19 t lt 2 Hold SET key down for approx three seconds the selected operating mode A B then begins to flash AD Select the desired operating mode normal mode week time switch pro mm pet gramming mode printer or basic appliance settings by turning the control Y with SET key held down o 4 Release the SET key and the selected operating mode is saved 5 8 1 Normal mode The test chamber runs in permanent operation in this operating mode at the values set on the operating panel see above Example of settings see next Chapter 5 8 2 1 Load test chamber see page 26 2 Switch on appliance by pressing the push turn control on the operating panel so that it comes out of the appliance Fig 19 3 Select the normal operating mode 1 with the push turn control 4 As described above set the individual parameters with the push turn control and the SET key Temperature setpoint Inn TO mM Adjustment range 42 C to 98 C mO yo off y Fan speed Adjustment range 10 to 100 in 10 steps At lo
13. perature monitoring TWW on page 48 Undertemperature limit is triggered Check the MIN setting and reduce if necessary see Chapter 7 3 1 Electronic tem perature monitoring TWW on page 48 Automatic monitoring function is triggered Check the ASF SET limit value in the SETUP menu see Chapter 7 2 Basic appli ance settings Setup on page 46 Water tanks are empty Fill up with water see page 22 Humidity exceeds the preset setpoint for longer than 30 minutes Open door for 30 sec and wait to see if the control ler steadily adjusts to the setpoint If the error occurs again contact Customer Service This monitoring function only starts to work once the humidity setpoint has been reached The acoustic alarm can be temporarily switched off by pressing the SET key 7 3 4 Safety and monitoring equipment for the cooling unit A high pressure limiter and a low pressure monitor protect the cooling unit from inadmis sible operating pressure When the high pressure limiter is triggered the heaters and seals are switched off and the caution icon lights up The condensation pressure is controlled by the automatic speed adjustment of the condenser fan The fan can therefore automatically run faster or slower in operation depending on the thermal energy extracted The condenser fan may continue running for a short time after the main switch has been turned off to cool down the condenser The condenser is fitted with
14. see page 28 For long term operation with a working temperature below 10 C or with a damp chamber load and or with the door opened frequently ice can form on the condenser over time Heavy icing may impair the function of the appliance and could damage the cooling system The automatic defrosting system can eliminate this formation of ice at chosen intervals of 3 6 12 24 or 48 hours The factory setting is every 12 hours Because of this automatic defrosting there is a minor brief increase in the chamber tempera ture at regular intervals If you would like to further reduce this detraction in performance you can lengthen the defrosting frequency e g to every 24 hours In this case you should check to see if there is a permanent drop in the cooling performance or a strong fluctuation of the actual value which may be an indication that the cooling unit is icing over If this is the case please set the automatic defrosting system one level higher If humidity room temperature are particularly high it is possible that the factory default for defrosting 12 hours is not sufficient In this case you should set a more frequent defrosting interval e g every 6 hours The automatic defrosting is disabled with the OFF parameter When operating at low tem peratures this causes the cooling unit to ice over over time When operating the chamber with a chamber load which itself emits warmth to the interior the automatic defrosting syste
15. the temperature monitoring for more detailed information on this see page 48 Starting the programme Turn the push turn control to the right until the stop icon W flashes Hold down the SET key and select the start icon with the push turn control Release the SET key and the pro gt gramme is started memmert Operation and control 5 8 8 Operation with PC laptop optional The test chamber can optionally be used controlled and programmed with a PC laptop It has corresponding communication interfaces for this purpose see page 55 and Fig 3 on page 10 The control of the appliance with the Memmert PC software Celsius is described in its own separate manual 5 9 Ending operation 1 Y BAW Warning When opening the chamber door hot steam may escape and scald you in the face Remain behind the door when you open it and let out the steam or allow the test chamber to cool down before open ing the door Warning Depending on operation the surfaces in the chamber interior and the chamber load may be very hot or very cold You could suffer from burns or frostbite if you touch these surfaces Allow the cham ber interior to first adjust to room temperature after opening the door or use heat resistant protective gloves Switch off appliance To do this press the push turn control on the operating panel so that it clicks into place in the appliance see page 27 Open door see page 25 Rem
16. 4 Replacing the interior lamps 4 RS232 55 RS232 RS485 adapter 55 RS485 55 S Safety class 17 Safety equipment 48 Safety Labelling 7 Safety regulations 6 Service 64 Servicing 61 SET POINT WAIT 37 Setting parameters 29 Setting Up 19 Setup 46 Standard accessories 18 Storage 65 Storage after delivery 19 Storage space 59 Switching appliance on and off 27 Switch on time 36 System appliance errors 44 T Tank drawer 22 24 Tanks 22 Technical data 17 Temperature calibration 51 Temperature monitoring 48 Temperature operation 11 Temperature sensor 21 48 Tolerance band ASF 47 Transport 19 Transport damage 19 TWW 48 Index U Unpacking 19 USB interface 55 User ID Card 60 V Volume 17 Ww Warm up speed 13 Warning message 51 Warning stickers 7 Water specifications 22 Weekday 47 Week time switch 33 Weight 17 Working range 12 X XTADMIN 56 Y Year 47 67 Memmert GmbH Co KG Postfach 1720 D 91107 Schwabach Tel 49 0 9122 925 0 Fax 49 0 9122 145 85 E Mail service memmert com www memmert com 18 02 2013 CTC TTC englisch D10804
17. 51 Unpackngacsa nee ee es se S EEN 19 3 2 2 Checking for completeness and transport damage 2u4424s40nnnennnen nennen 19 3 2 3 Disposing of packaging material ursur00nr0nsennnnennnnnnnnnnnnnennnennnnnnnnnnnnnnnnnnnn 19 3 3 Storage after delivery sd re arh Hd easter et pete hs Feel 19 3 4 Transport ect ee ae eR EE 20 35 Installation u seinerseits 20 4 Putting into Operation 21 4 1 Checking the door and adjusting if necessary 220u42420nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnn 21 4 2 Checking the temperature sensors 222u40u440unnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnn nenn 21 4 3 Install and connect laptop optional ur00uss00nnnnennnnennnennnnennnennnnennnennnnennennnnenenn 21 4 4 Filling the freshwater tanks 2 2 222444244404440nnBnnnannnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnann 22 2 5 NEONNEEING seen seele 23 5 Operation and control 24 5 1 Operating Stall as leben traiueeaiscandacn 24 5 2 General information on operation uuesseserssensnnennnennnnennnennnnennnennnnennnnnnnnonnnnnnnnennnnen nennen 24 53 Belorestarting seh un ee Nee le 24 5 4 Opening and closing the door 222422042244400440Rn00n Hann nnnnnnnnannnnnnnnnnnnnnnnnnnnannnnnnnenn 25 5 4 1 Opening and closing the door with high and low temperatures en 25 5 5 Loading the t st chamber anne en 26 4 memmerf Content 5 6
18. Adjustment range From 2000 to 2188 Acoustic signal at programme end ENING mn I NND O Setting OFF oder Acoustic aa for alarm e g over undertemperature LARTS Setting Fo ron Communication address Adjustment range bis 5 see Chapter 7 6 Communication interfaces on page 55 Tolerance band ASF Adjustment range to 20 C see page 49 Language Setting SETAN ENGLISH FRANCAS ESPANOL und TALANG Compensation correction values CAL 1 3 RH20 RH90 for cali bration of temperature and humidity at customer site Chapter 7 4 Calibration on page 51 Automatic defrosting system for details on settings see page 54 Leave Setup Save all settings and leave the SETUP mode The real time clock which is set in the SETUP contains the date and clock time The real time clock is used for logging purposes in accordance with GLP Date and clock time are specified on the log printout On graphical printouts the time axis is labelled with the real time The clock is battery buffered and independent of the mains connection The integrated lithium battery of the type CR 2032 has a lifetime of approx 10 years 47 Advanced functions memmert 7 3 Temperature monitoring and safety equipment The monitoring temperature is measured via a separate Pt100 temperature sensor in the chamber interior The monitoring unit is used to protect the chamber load and as a protection for the appliance and surroundings Temp
19. Basic Operating Information cr en 27 5 6 1 Switching appliance on and off uru0uus0sunnnennnnennnennnnennnennnnennnennnnennennnnnennnnen nennen 27 5 6 2 Operating Panel controller sn en 28 5 63 Basic operation en een Hui nen er nahe Re RE RER 29 5 6 4 Sefting paramelers sea lee 29 5 7 Operating MODS nn are een 29 5 8 Operating mode settings 2 u20u4244440nn40nnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnannnannnnnnnnnnann 30 5 8 Normal mode een een 30 5 8 2 Example setting Normal mode 242444404440n20nnnennnnnnonnnnnnennnnnnnnnnnnnnnnen nenn 31 5 83 Week timesswitch ana ann aa EE aeara aT iR 33 5 8 4 Example of settings Week time switch 20u220n2snnnennnnnnnnnnnnnnnnnnennnnnnnnnnn nenne 34 5 8 5 Programming made ee ee pers srelee 35 5 8 6 Close commands for ramp segments 22444444204440Rnnennnonnnennennnnnnnnnnnnnnnnen nenn 37 5 8 7 Example setting programming mode 2 2444404440nnnennnonnnonnennnnnnnnnnnnnnnnnn nenn 39 5 8 8 Operation with PC laptop optional u uur0nensnennenennnennnnennnennnnennnnnnnnennenen nennen 43 3 9 JENding Operations ar en ee ne 43 6 Malfunctions and error messages 44 6 1 Error in the temperature monitoring humidity system 22424420nnnonnnnnennnennnen nenn 44 6 2 System appliance Eiros nessie elek 44 0 3 POWER e ana A ee E E A S ea 45 7 Advanced functions 46 VA EN I
20. Declaration of Conformity C memmerf EC Declaration of Conformity Manufacturer s name and address MEMMERT GmbH Co KG u ere Rittersbacher Stra e 38 91126 Schwabach Germany Product limatic Testing Chambers Type CTC TTC Size 256 Rated voltage AC 400 V 50 Hz This product complies with the provisions of the directives Machinery Directive 2006 42 EC and revisions Directive of the Council for harmonisation of the laws of Member States on the level of protection for accident prevention The tested product s level of compliance with the essential protection requirements of the Directive is substantiated by its compliance with the following standards EN ICO 12100 1 2 2004 EN ISO 13857 2008 EN ISO 13850 2007 EN 60204 1 2007 EMC Directive 2004 108 EC and revisions Directive of the Council for harmonisation of the laws of Member States on electromagnetic compatibility The tested product s level of compliance with the essential protection requirements of the Directive is substantiated by its compliance with the following standards DIN EN 61326 1 2006 10 EN 61326 1 2006 DIN EN 61000 3 11 2001 04 EN 61000 3 11 2000 Applied harmonised standards Low Voltage Directive 2006 95 EC and revisions Directive of the Council for harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits The tested product s level of compliance with t
21. Experts in Thermostatics JFERALING MAN Climatic test chamber CTC 256 Temperature test chamber TTC 256 Manufacturer and customer service MEMMERT GmbH Co KG Postfach 17 20 D 91107 Schwabach u ere Rittersbacherstr 38 D 91126 Schwabach Germany Fon 49 0 09122 925 0 Fax 49 0 09122 14585 E Mail sales memmert com Internet www memmert com Customer service Fon 49 0 09122 925 128 and 49 0 09122 925 126 E Mail service memmert com For service enquiries please always specify the appliance number on the nameplate see page 16 2013 Memmert GmbH Co KG Edition 02 2013 Subject to modifications memmerf About this manual About this manual Purpose and target group This manual describes the setup function transport operation and maintenance of tempera ture test chambers of the type TTC 256 and climatic test chambers of the type CTC 256 It is intended for use by the trained staff of the operator who are in charge of operating and or maintaining the test chamber If you as the operator are asked to work on the test chamber you should read this manual carefully before starting work on the unit Familiarise yourself with the safety regulations Only perform the work that is described in this manual If there is something you don t understand or certain information is missing ask your supe rior or get in touch with the manufacturer Do not do anything wit
22. Storage after delivery If the test chamber is first to be stored after delivery Read the storage conditions from page 65 Delivery Transport and Setting Up memmert 3 4 Transport The test chamber can be transported in three ways gt on its own castors for which the catch on the front castors must be released with a fork lift truck move the forks of the truck entirely under the test chamber gt ona manual pallet jack Caution 1 If the test chamber is to be transported again after it has been put into operation for example at a different location First empty the freshwater and condensation water tanks see page 22 3 5 Installation Warning Never stack test chambers on top of each other The test rig on top could fall down and serious injury or death could occur Warning The test chamber may only be installed on the floor and never on tables or similar A table could collapse or it could fall off and seri ous injury or death could occur The installation site must be flat and must be able to reliably carry the weight of the test chamber see chapter 2 9 Technical data on page 17 An 400 V 16 A 50 Hz power connection CEE socket must be available at the installation site The distance between the test chamber and the walls ceiling must be at least 25 cm The ventilation slits of the cooling unit on the front of the appliance see page 10 may not be manipulated Sufficient air circulation in the vicinity
23. an overheating limit If the motor current increases together with an increase in the coil temperature the condenser is switched off After the coil temperature has fallen the overheating limit switches off automatically 7 4 Calibration 7 4 1 Temperature calibration The test chamber can be calibrated customer specifically using three calibration temperatures of your choice CAL 1 Temperature calibration at low temperature CAL 2 Temperature calibration at medium temperature CAL 3 Temperature calibration at high temperature For each selected balance point Fig 30 a positive or negative compensation correction value can be set between 4 9 C and 4 9 C There must be a difference of at least 10 C between each of the individual balance points 51 Advanced functions memmert Fig 30 Temperature calibration example Setting 1 Set the desired compensation temperature in the SETUP see Chapter 7 2 Basic appliance settings Setup on page 46 and set the corresponding compensation correction value to 0 0 C 2 With a reference instrument measure the deviation in the stationary state in the selected compensation temperature 3 Setting the compensation correction values in the SETUP If the measured reference tem perature is too low the compensation correction value must be set with a negative sign 4 Perform a control measurement with the reference instrument 5 Repeat the procedure for the other two
24. ar a A E E E TE EEE E E A E E 46 7 2 Basic appliance settings Setup 2u 2244040n ennennnennnnennenennnennnnennnennnnannnnnnnnennnsnnnnannnann 46 7 3 Temperature monitoring and safety equipment uunesssensssensnennnnennnennnnennnennnnennnnennnen nn 48 7 3 1 Electronic temperature monitoring TWW acneessssenssensnnennnennnnennnennnnennnnnnnnennnennnennnnn 48 7 3 2 Automatic temperature monitor ASF ccccccsscccseecesseeessseeeesseecsseeeseeeeeesseeesseeeseees 49 13 3 Warning MESSAJES nennen ea enter 51 7 3 4 Safety and monitoring equipment for the cooling unit unrrseessennennennennnennn 51 7 Cal braton a en E len Ener 51 7 4 4 Temperaturecalilbrationan na ean ee wean teadueeeenses 51 7 4 2 Humidity calibration only for CTC 256 cccccscccsscsseecseecseessseeceeesseeesseeeseeeeseessseeess 53 7 5 Automatic defrosting systems ess ee 54 7 6 Communication interfaces ar au asian 55 7 6 1 lt USB interf ce near nn 55 7 6 2 Communication interfaces RS232 RS485 optional 22u02200022200022nnennennnneennnn 55 7 6 3 Connection of test chambers to a network with Ethernet interface 56 1 6 4 EOG MEMON Zee Bali 57 76 5 MEMoryCard X r aa EA EaR esas EA anie 58 7 6 6 User ID card optionally available as an accessory uusseenssensnnensnnnnnnennnnnnnnennnnennnennnn 60 8 Maintenance and Servicing 61 8 1 Basic Cleaning zur ae ee ee 61 8 2 Intensiverleanin
25. ashes as a warning If the acoustic alarm is switched on in the SETUP see Chapter 7 2 the TWW alarm is ad ditionally signalled by a repeated acoustic signal If the SET key is pressed the signal can be temporarily switched off until the next alarm event occurs FN Emergency operation Setting MAX Set temperature Controller error Fig 28 Schematic diagram of how the TWW temperature monitoring functions 7 3 2 Automatic temperature monitor ASF ASF is a monitoring device that automatically follows the set temperature setpoint within an adjustable tolerance band Fig 29 If switched on the ASF is activated automatically if the actual temperature value reaches 50 of the set tolerance band of the setpoint in the example 50 C 1 C for the first time sec tion A The activation of the ASF is shown by the brightly lit icon When the temperature moves outside the set tolerance band around the setpoint in the example in Fig 29 50 C 2 C e g if the appliance door is opened during operation sec tion B of illustration the alarm is set off This is shown by the flashing icons and A If the acoustic alarm is switched on in the SETUP see Chapter 7 2 the ASF alarm is additionally signalled by a repeated acoustic signal If the SET key is pressed the signal can be temporarily switched off until the next alarm event occurs 49 Advanced functions memmert The ASF alarm goes off automatically as soon
26. balance points if necessary Example Temperature deviation at 30 C should be corrected 1 Set compensation temperature TAL 2 in the SETUP to 38 8 C and set the accompanying compensation correction value to 3 C 2 Ata set setpoint temperature of 30 C in normal operation an actual temperature of 29 6 C is measured with a calibrated reference instrument 3 Set the compensation correction value for Ae in the SETUP to 54 C 52 memmerf Advanced functions 4 The reference instrument should now display 30 C after the calibration procedure 5 With Aut another compensation temperature below Aue can be programmed in the same way and with Au3 one above it Ifall compensation correction values are set to 0 0 C the factory calibration settings are J restored 7 4 2 Humidity calibration only for CTC 256 The test chamber can be calibrated for the individual customer by means of two balance points at 20 and at 90 relative humidity For each selected balance point a positive or nega tive compensation correction value can be set between and 10 and 10 RH e0 30 Fig 31 Humidity calibration example Setting 1 Set the desired humidity balance point in the SETUP see Chapter 7 2 Basic appliance set tings Setup on page 46 and set the corresponding compensation correction value to 0 0 G 2 With a reference instrument measure the deviation in the stationary state in the selected
27. begins to flash Select the programming mode operating mode with the push turn control while the SET key is held down After releasing the SET key the control is in the program ming operating mode Editing the programme Select EDIT with the push turn control while the SET key gt is held down After releasing the SET key the controller is in the pro gramming write mode Set the start day MiG by turning the push turn control while the SET key is held down Set the clock time for delayed programme start Select the time display with the push turn control Hold down the SET key and set the time to 58 35 AM with the push turn control Setting the duration of the first ramp segment Turn the push turn control further to the right until the time display flashes Hold down the SET key and set the time to amp 0 with the push turn control Setting the temperature of the first ramp segment Turn the push turn control to the right until the tem perature display flashes Hold down the SET key and set the desired temperature setpoint of 555 C with the push turn control Setting the fan speed of the first ramp segment Turn the push turn control to the right until the fan icon flashes Hold down the SET key and set the fan speed of 40 4 bars with the push turn control memmert Operation and control 10 1 12 13 14 Setting the temperature of the second ramp segment Setting the re
28. control it The laptop is pre mounted on a holder To assemble screw down the laptop holder with the two enclosed M5 screws in the bore holes on the left of the test chamber Fig 13 see also page 10 Connect the USBand Fig 13 Attaching the pre mounted laptop holder mains cables on the side at the bot with two screws to the test chamber tom of the chamber see page 11 Fig 4 21 Putting into Operation memmert 4 4 Filling the freshwater tanks only for CTC 256 climatic test chambers Water specifications For steam generation use only gt Steam distilled water aqua dest or Demineralised water aqua dem in accordance with VDE 0510 DIN EN 50272 regulations must be strictly adhered to production conductivity lt 10 uS cm Battery water in accord ance with VDE 0510 is available in larger chemist s shops super markets hardware stores and in the wholesale trade The standard VDE 0510 DIN EN 50272 has to be explicitly specified on the label Otherwise possible calcification in the steam generators steam piping and peristaltic pumps could affect the operability of the device Use only water with a pH value of gt 5 and lt 7 The CTC climatic test chamber is equipped with four tanks each holding 10 litres these are lo cated in the drawer at the front right Fig 14 The two rear tanks A1 and A2 are used to col lect condensation water produced during operation The two front tanks B1 and B2 c
29. d The shielding must be connected to the plug casing The controller has an internal log memory see page 57 The log data can be printed out in this mode via the connected printer If a colour printer is connected the various graphs are printed out in colour For a printout the GLP header is also printed automatically and contains the following details Date of printout Period of logging gt Consecutive page numbers Serial numbers and appliance name By turning the push turn control and holding down the SET key the following parameters can be selected and altered one after another as described in Chapter 5 6 3 Basic operation on page 29 Querying the date of the first print page Querying the date of the last print page Start graphical printout Print programme and configuration page Leaving the print menu and returning to the main menu 7 2 Basic appliance settings Setup In this operating mode the basic settings for the appliance can be made By turning the push turn control and holding down the SET key the following parameters can be selected and altered as described in Chapter 5 6 3 Basic operation on page 29 Clock time in 24 hr format Conversion to summer time is not automatic but must be done manually 46 memmerf Advanced functions Date The controller contains a calendar which automatically accounts for the different lengths of months and for leap years Weekday Year
30. d push the rear wall at an angle back into the test chamber Thread the two temperature sensors through the opening in the metal sheet Fig 37 A 6 Tighten the test chamber rear wall with 6 screws 7 Plug temperature sensors A into their sockets 8 Insert the side interior walls on the left and right and tighten them with 8 screws each Fig 36 Reinsert the silicone plugs 61 Maintenance and Servicing memmert Fig 36 Dismantling the right and left inner walls Pull the temperature sensors A out of the Remove the silicone plugs and 8 screws on holders and unscrew the test chamber rear each side and pull out the wall wall 8 3 Regular maintenance Every three months if in permanent operation gt Grease the moving parts of the doors hinges and lock with thin silicone grease and check that the hinge screws are not loose Check that door seals fit tightly adjust door if necessary see Chapter 8 4 Check that the condensation water runoff tube Fig 38 at the rear of the chamber interior is not blocked and clean if necessary Every six months Check air filter of cooling unit for dirt and clean if necessary see Chapter 8 5 Annually Clean air filter of cooling unit see Chapter 8 5 gt Grease the moving parts of the doors hinges and lock with thin silicone grease and check that the hinge screws are not loose Check that door seals fit tightly adjust door if necessary see Chapter 8
31. d down the SET key and set the close command MEXT with the push turn control 41 Operation and control memmert 15 16 17 18 20 2 22 42 Setting the close command of the third ramp segment Setting the temperature monitoring Setting the duration of the third ramp segment Select the time display with the push turn control Hold down the SET key and set the time to 01 00 00 AM with the push turn control Setting the temperature of the third ramp segment Turn the push turn control to the right until the tem perature display flashes Hold down the SET key and set 37 0 C with the push turn control Setting the fan speed of the third ramp segment Turn the push turn control to the right until the fan icon flashes Hold down the SET key and set the fan speed of 40 4 bars with the push turn control Setting the relative humidity of the third ramp segment only for CTC 256 Turn the push turn control to the right until the humidity display flashes Hold down the SET key and set the desired humidity setpoint of 555 rh with the push turn control Turn push turn control to the right until a close command appears in the display e g EnD and press the SET key briefly to confirm Leave programming write mode EDIT Turn push turn control to the right until EXT appears in the display and press the SET key briefly to confirm Turn the push turn control to the right and adjust
32. d the test chamber switches on and off at the time programmed During the OFF phase of the week time switch the test chamber is in standby mode The heating and cooling functions are switched off here and the controller display shows the time dimmed During the ON phase the test chamber works with the set values for tempera ture humidity etc The sequence of the week time switch repeats itself each week In total a maximum of nine time blocks can be programmed consisting of the switching on and switching off times By turning the push turn control the following parameters can be selected and altered as described in in chapter 5 6 3 Basic operation on page 29 Weekday Adjustment range Monday to Sunday Day groups Adjustment range Working days Mo Fr Weekend Sat Sun Appliance not switched on on this day Switch on time on Adjustment range 85 05 to 23 59 Switch off time off One minute beyond the switch on time to 2400 h By turning further to the right parameters temperature setpoint etc can be selected as in the normal operating mode If no settings temperature setpoint etc are made for the ON phase the controller uses the values from the normal operating mode For reasons of safety you should always check that only one switch on time is programmed in the desired time blocks and days Operation and control memmert Direct setting of the temperature setpoint If the controller is in standb
33. dition programmed and current parameters are displayed as well as warning messages 10 11 121314 17 16 15 Fig 21 Operating panel in the example the CTC climatic test chamber is shown 1 Time display 2 Operating mode T see Fig 22 on page 30 3 Programme mode display see page 35 4 Horn sound for programme end 5 Display appliance is heating up 6 Temperature display 7 Automatic defrosting system active see page 54 8 Display appliance is cooling down 9 Temperature monitoring warning see page 48 10 Temperature monitoring see page 48 11 Acoustic temperature monitoring alarm icon see page 48 12 Water tank 1 active only for CTC 256 13 Humidity display only for CTC 256 14 Water tank 2 active only for CTC 256 15 Display appliance dehumidified only for CTC 256 16 Display steaming process only for CTC 256 17 Warning water tank empty only for CTC 256 see page 22 18 Fan speed 19 Chip card reader see page 58 20 Display ED locked with user ID card see page 60 21 Main switch push turn control 22 Set key 23 Alphanumeric text display for error and status messages 28 memmert Operation and control 5 6 3 Basic operation ET eo All operating functions are selected by turning the push turn control to the left or right ro a and adjusted by turning it with the SET key held down 5 6 4 Setting parameters Normally all setting actions on the operating panel described on the follow
34. ect Sa on with the push turn control Hold down the SET key and set the desired switch on time to 8 33 AM with the push turn control 5 Switch off Sa at 14 00 Select Sa off with the push turn control Hold down the SET key and set the desired switch off time to 02 00 PM with the push turn control 5 8 5 Programming mode In this operating mode up to 40 freely programmable sequences ramps can be set with various combinations of temperature fan speed and humidity humidity only for the CTC 256 which the test chamber then processes automatically one after another Notall combinations of temperature and humidity are possible see also Fig 5 on page 12 Setting the Programming operating mode 1 Press the SET key and keep it held down 2 Select the programming mode with the push turn control while the SET key is held down 3 Select the EDIT function gt with the push turn control You can now select and modify the following parameters in turn see also the adjustment example on page 39 4 Delayed programme start Switch on day Adjustment range Monday to Sunday workdays Mo Fr weekends Sa Sun every day Mon Sun or no days If no week day is set the appliance starts immediately STANT START after the start of the programme 35 Operation and control memmert 5 Delayed programme start Switch on time Adjustment range 93 88 to 23 59 shown in picture Switch on time 8 00 If no switc
35. emperature range of 10 C to 95 C The CTC climatic test chamber has two freshwater tanks with automatic switchover see page 22 The currently active tank is indicated in the control display by TANK1 or TANK2 see page 28 2 3 Working range Caution If in operation at the upper level or outside the working range for long periods puddles of water may form inside the chamber and water may pass the door seal See YA Al etl tit N Q Q oO Heat input W x lt 2 3 E 0 10 20 30 40 50 60 70 80 90 100 40 30 20 10 0 10 20 30 Temperature in C Temperature in C Fig 5 Control range of temperature and Fig 6 Heat compensation T pin 25 C ambient relative humidity 1 1 1 1 i T T ANTT TOTTI 00 00 10 00 20 00 30 00 40 00 5 no 01 10 01 20 01 30 01 40 01 50 02 00 02 10 i Bene Cool down time 00 Ce A Fig 7 Cool down speed 12 memmert Design and description Fig 8 Warm up speed 2 4 Basic equipment FCKW free cooling unit with automatic hot gas defrosting device and motor driven air circula tion in the chamber gt Y YV vv WV Y VVYV Electronic fuzzy supported PID process controller with permanent performance adjust ments and time saving self diagnosis system to quickly locate errors see chapter chapter 6 Malfunctions and error messages on page 44 Alphanumeric text displa
36. erature monitoring can be adjusted independently of the operating modes Im ramp operation mode the monitoring temperature must always be set at least 3 K above the maximum working temperature Fig 27 Temperature monitoring display 1 Visual alarm icon Lit up TB alarm Flashing TWW alarm TWB alarm ASF alarm Undertemperature limit Automatic temperature monitor ASF see page 48 Overtemperature limit TWW TWB see below Trigger temperature Acoustic alarm icon DW UW WN 7 3 1 Electronic temperature monitoring TWW Overtemperature limit Adjustment range 50 200 Setting Select the icon with the push turn control Hold down the SET key and adjust the temperature limits with the push turn control 48 memmerf Advanced functions Undertemperature limit Adjustment range 50 200 Setting Select the icon with the push turn control Hold down the SET key and adjust the temperature limits with the push turn control The lower alarm limit value cannot be set higher than the top one If no undertemperature limit is required set the lowest temperature The undertemperature and overtemperature control and is monitored by an adjustable over undertemperature controller TWW protection class 3 3 acc to German standard DIN 12880 If the manually set monitoring temperature is exceeded the TWW takes over tempera ture control and begins to regulate the monitoring temperature The alarm icon fl
37. ert 8 6 Replacing the interior lamps 1 Undo the four fixing screws of the glass plate on the ceiling of the interior and remove the glass plate Fig 43 2 Replace the defective lamp with a standard new 25 watt halogen lamp 3 Screw the glass plate back on Make sure that the seal is properly mounted gt AN XXS Fig 43 Interior lighting 8 7 Repairs and Service Warning After removing covers voltage carrying parts may be exposed You may receive an electric shock if you touch these parts Disconnect the mains plug before removing any covers Any work inside the gt A unit may only be performed by qualified electricians EOD Repairs and service work are described in a separate service manual 64 memmert Storage and disposal 9 Storage and disposal 9 1 Storage The test chamber may only be stored under the following conditions dry and in an enclosed dust free room frost free disconnected from the power supply Before storage empty the freshwater and condensation water tanks see page 22 9 2 Disposal This product is subject to the Directive 2002 96 EC on Waste Electrical Electronic Equipment WEEE of the European Parliament and of the EU Council of Ministers This appliance has been brought to market after August 13th 2005 in countries which have already integrated this directive into their national laws It may not be disposed of in normal household waste To dispose please contact your deale
38. estored operation is continued with the parameters set The time and the duration of the power failure is documented in the log memory see page 57 In programming mode gt After a power failure of less than 60 minutes the current programme is continued from the point at which it was interrupted The time and the duration of the power failure is documented in the log memory see page 57 After a power failure of more than 60 minutes the test chamber starts in manual operat ing mode for safety reasons and all setpoint values are changed to safe default values see table below For remote PC operation If there is a power failure in remote operation the test chamber starts in manual operating mode for safety reasons and all setpoint values are changed to safe default values see table Continuing the programme can only be done from the PC The time and the duration of the power failure is documented in the log memory see page 57 Temperature 20 C Humidity only for CTC 256 20 rh Fan speed maximum 45 Advanced functions memmert 7 Advanced functions 7 1 Printer The test chamber is equipped with a parallel printer port as standard just as used in comput ers A standard PCL3 compatible inkjet printer which has a parallel port interface e g HP DeskJet 5550 or HP DeskJet 9xx can be connected to the printer port on the left of the test chamber see page 11 Make sure that a shielded interface cable is use
39. evice number of the appliance and a unique user number are stored in encrypted form on the user ID card Fig 35 The user ID card therefore works only in the appliance with the corresponding serial number Every login process with the user ID card is Name gt gt gt gt gt logged in the internal Flash memoryofthe Jooo access controller ID aon car If the user ID card has been inserted the menu item D LOCK also appears in the SETUP menu memmert see Chapter 7 2 Basic appliance settings Setup Fig 35 User ID Card on page 46 If the setting is set to GM the test chamber is locked against all alterations once the card is removed The lock via the user ID card is displayed via the flashing key icon Q on the operating panel see also Fig 20 on page 28 Ifthe test chamber is locked via the user ID card no programme operation with the MEMoryCard XL is possible since this card could be removed at any time and modified externally 60 memmert Maintenance and Servicing 8 Maintenance and Servicing Warning Depending on operation the surfaces in the chamber interior may be very hot or very cold You could suffer from burns or frostbite if you touch these surfaces Before any maintenance cleaning work allow time for the chamber interior to reach room temperature Warning Disconnect the power plug before any cleaning or maintenance work 5 D o 8 1 Basic cleaning Regular cleaning
40. exposed You may receive an electric shock if you touch these parts Disconnect the mains plug before removing any covers Any work inside the unit may only be performed by qualified electri cians Warning When loading the chamber with an unsuitable load toxic or explo sive vapours or gases may be produced This could cause the cham ber to explode and people could be badly injured or poisoned The chamber may only be loaded with materials test objects which do not form any toxic or explosive vapours when heated up see also chapter 2 6 Intended Use on page 14 1 3 Safety Labelling The test chamber is provided with warning stickers on the door to warn of dangerous temperatures inside the chamber interior Fig 1 These stickers must not be removed and must always be well visible If they become unrecognisable or if they peel off they must be replaced You can order the stickers from Memmert customer service Fig 1 Warning stickers Safety regulations memmert 1 4 Requirements of the operating personnel The test chamber may only be operated and maintained by persons who are of legal age and who have received instructions for the test chamber Personnel who are to be instructed or who are undergoing general training may only work with the test chamber under the continu ous supervision of an experienced person The test chamber may only be transported by persons with fork lift trucks manual pallet jacks who a
41. g sarah 61 8 3 Regular PaCS ANIC Et essen costes dean ee ser castecacenactecins eean aE E apar net tantearcteldeetsscateitee tacts 62 8 2 PRS OOM ao ett ee a E See eared Td vet ee 63 8 5 Removing cleaning the air filter of the COOLING unit 22u422u42nnnennnnnennnennnennnnnnnn 63 8 6 Replacing the interior lamps cccccccescesseceseeeseeeseeeesseeceeeseeceeeceeeseesseeeseescaeeseeeseaeesaas 64 8 7 Repairs and SeNi Cenan ai e a aa a a A E a EE E aaa anaa 64 9 Storage and disposal 65 9 1 Storage Sn een lee 65 92 Disposal nee ren a a EE a erai 65 Index 66 Safety regulations memmert 1 Safety regulations 1 1 Terms and symbols used In this manual certain common terms and symbols are used to warn you of dangers or to give you hints that are important in avoiding injury or damage Observe and follow these hints and regulations to avoid accidents and damage These terms and symbols are explained below 1 1 1 Terms used Warning is used whenever you or somebody else could be injured if you do not observe the accompanying safety regulation Caution is used for information that is important for avoiding damage 1 1 2 Symbols used Prohibition sign forbidding an action Do not tilt Do not lift Do not stack appliance appliance appliance Warning symbols warning of a danger Explosive Cold danger of atmosphere frostbite Danger of hot vapours scalding Danger of elec
42. h on day is selected then no switch on time can be selected and the pro gramme starts immediately STANT START 6 Duration of first ramp seqment Adjustment range i minute to 999 hours shown in picture duration 1 00 hour 7 Setpoint temperature temperature to end of ramp segment Adjustment range 42 C 190 C shown in picture Temperature 50 C 8 Fan speed in ramp segment Adjustment range 10 100 shown in picture air speed 40 4 bars lit up 9 Setpoint humidity humidity at end of ramp segment only for CTC 256 Adjustment range 8 to 98 rh shown in picture humidity 80 0 rh 36 memmert Operation and control Each ramp must be completed with a close command connecting the ramp to the next one These commands thus control the programme sequence 10 Close command of the ramp segment Setting MEXT SPLUT IT SPLIT H SPLUT CTH LOOP HOLD ERD shown in picture Command End see also chapter 5 8 6 Close commands for ramp segments on page 37 11 Leave programming write mode EDIT Turn push turn control to the right until EXT appears in the display and press the SET key briefly to confirm After releasing the SET key gt anew programme can be created as described above or an existing gt EDIT one be edited with EDIT gt stops the programme Wi STOP starts the programme p START 5 8 6 Close commands for ramp segments Each ramp must be completed
43. h read write device Using the card reader which can be purchased separately Fig 34 the MEMoryCard XL can be programmed offline from the PC with Celsius without the need for a test chamber being connected When you do this make sure that the contacts on the MEMoryCard XL are point ing upwards to the markings on the card reader Pay Fig 34 Read write device The programme remains stored on the MEMoryCard XL even after it is removed from the appliance It can also be overwritten at any time with Celsius via the PC Logging on the MEMoryCard XL memory card When a programme sequence from the chip card is running the humidity and temperature setpoints are continually logged on the memory card These can be read in via Celsius after the programme is finished and printed out This is described in the Celsius user manual There is certain amount of storage space available for logging depending on the programme length The scanning is set automatically by the controller depending on the programme duration The actual value can be logged on the MEMoryCard XL at one minute intervals for a pro gramme lasting up to 135 hours For programmes lasting longer the scanning rate is length ened to a maximum of 30 min i For each programme start the logging is restarted and old log data is overwritten 59 Advanced functions memmert 7 6 6 User ID card optionally available as an accessory The d
44. he essential protection requirements of the Directive is substantiated by its compliance with the following standards DIN EN 61 010 1 VDE 0411 part 1 2002 08 EN 61 010 1 2001 DIN EN 61 010 2 010 VDE 0411 part 2 010 2004 06 EN 61 010 2 010 2003 Schwabach Germany 12 10 12 legally binding signature of the manufacturer This declaration states the compliance with the above Directives however does not provide any warranted properties The safety instructions in the supplied documents have to be observed D24897 15 Design and description memmert 2 8 Designation nameplate The nameplate provides information about the appliance model manufacturer and technical data It is attached to the front of the appliance on the right beneath the interior see page 10 i Typ CTC 256 F Nr Z309 0003 i 3N 400 V 10 6 A 50 Hz 7000 W i DIN12880 K1 3 3Nenntemp 42 C 190 C 8 Schutzart DIN EN 60529 IP 20 i memmert GmbH Co KG D 91126 Schwabach FRG Tel 49 0 91 22 92 50 Made in Germany Fig 9 Nameplate 1 Type designation 2 Connected loads 3 Applied standard 4 Degree of protection 5 CE conformity 6 Manufacturer address 7 Disposal note 8 Rated temperature range 9 Factory number memmert Design and description 2 9 Technical data Chamber width A mm 640 Chamber height B mm 670 Chamber depth C mm 597 Appliance width D mm 898 Appliance depth F mm 1100 Appliance height E mm
45. hout authorisation The descriptions in this manual concerning the humidity climatic processes refer to the CTC climatic test chambers TTC temperature test chambers have no humidity controller so that the corresponding sections of this manual are not relevant for these device types Other documents to observe for service and repair work see page 64 the separate service manual for controlling the test chamber with the Memmert PC software Celsius see page 43 the separate manual Celsius Calibration documents which can be found in the document compartment in the water tank drawer see page 10 Storage and Forwarding This instruction manual belongs with the test chamber and should always be stored so that those persons who work on the test chamber have access to it It is the responsibility of the operator to ensure that persons who are working on or who will work on the test chamber are informed as to the whereabouts of this instruction manual We recommend that it is always stored in a protected location close to the test chamber Make sure that the instruction manual is not damaged by heat or damp If the test chamber is sold on or transported and then set up again at a different location this instruction manual must also go with it Content memmert Content 1 Safety regulations 6 1 1 Tenmis and Symbols Used esien a aee eae A a iaaa 6 ASES A E ERE E e ie Zee Pr a Dee a ne ent 6 121 2 Symbols
46. ing pages are made in the same way N 1 Select the desired parameter with the push turn control menu item e g o fa temperature then all other parameters go dark and the selected one flashes vw 2 With the SET key held down set the desired value e g 58 5 C with the push A a turn control o 3 3 Release the SET key and the set value is saved The display briefly shows the set value flashing Then the current temperature is displayed and the test chamber begins to heat up or cool down to the set temperature 4 Settings for other parameters are made in the same way The control returns automatically to the main menu if the push turn control or SET key is not operated for approx 30 seconds 5 7 Operating modes TTC temperature test chambers and CTC climatic test chambers can be operated in four differ ent modes gt Normal mode The test chamber runs in permanent operation at the temperature humid ity and fan values set on the operating panel Operation in this mode is described from page 30 Week time switch The test chamber runs at the set values only at certain times Operation in this mode is described from page 33 gt Programme mode Time sequences of temperature humidity only with CTC 256 and fan values are programmed so called ramps which the test chamber automatically works through one after another Operation in this mode is described from page 35 Interface mode with PC laptop
47. interior and as a consequence could result in short circuits or damage to electrical parts For this reason sufficient measures should be taken to pre vent large clouds of dust or aggressive vapours from developing 2 11 Connections Observe the country specific regulations when making connections e g in Germany DIN VDE 0100 with RCD circuit breaker This appliance is intended for operation on an electrical power system with a system imped ance Z at the point of transfer service line of a maximum of 0 292 Ohm The operator must ensure that the test chamber is operated only on an electrical power system that meets these requirements If necessary you can ask your local energy supply company what the system impedance is 2 12 Standard accessories Steel grids Silicone plugs to close up the cable feed through in the right hand side wall see Fig 18 on page 26 memmert Delivery Transport and Setting Up 3 Delivery Transport and Setting Up 3 1 Safety Regulations Warning y K You may get your hands or feet squashed when transporting and installing the test chamber Wear protective gloves and work shoes try to lift it Transport the test chamber only with a fork lift truck manual pallet jack or on its castors The transport means used must be designed to carry the weight of the test rig see chapter 2 9 Tech nical data on page 17 The test chamber may only be moved using a means of transport by persons who have the
48. interval of 1 minute see page 58 Optional equipment available separately as an accessory External card reader for MEMory Card XL for connection to the PC USB interface printer cable parallel shielded 25 pin see page 59 Language settings German English French Spanish Italian see page 47 Capacitive humidity sensor only for CTC 256 Active humidity control guarantees that setpoint humidity is quickly achieved with short recovery times and avoiding condensation formation only for CTC 256 7 different ramp close commands for sophisticated temperature control tasks see page 38 Visual and acoustic warning signals if temperature or humidity limits are crossed and if water container is empty Feed through 80 mm on right with silicon sponge plug Internal log memory with 1024 kB as ring memory for all temperature and humidity val ues errors and settings in real time and with date logging approx 3 months at 1 minute storage interval see page 57 Calibration possible without separate computer 3 point calibration on temperature con troller and 2 point calibration for humidity at 20 rh and 90 rh see page 51 2 5 Material For the outer housing MEMMERT uses stainless steel W St No 1 4016 ASTM 430 for the interior stainless steel W St No 1 4301 ASTM 304 is used which stands out through its high stability optimal hygienic properties and corrosion resistance towards many but not all chemical comp
49. l com munication interface in accordance with German standard DIN 12900 1 or an RS485 interface With the RS232 interface it is possible to control and log the chamber remotely from the PC If several chambers are to be connected to a PC via RS232 interface an appropriate interface on the PC and a separate cable are required for each chamber The maximum cable length is 15 m gt The RS485 interface enables the networking of several chambers up to 16 with one PC via a shared two wire cable The PC needs to be equipped with either a RS485 interface or with an RS232 RS485 adapter Connecting the wires is done individually with a shielded cable depending on the installation site The maximum total cable length is 150 m In both cases each chamber must be given a unique device address in the SETUP submenu menu item ADDRESS see Chapter 7 2 via which the PC communicates with the chamber The standard setting is ADDRESS D Using this address the appropriate oven can be selected and programmed from the PC The test chamber can be connected to the PC using a shielded interface cable The shielding must be connected to the plug casing J ifthe serial port is not used put on the cover included 55 Advanced functions memmert 7 6 3 Connection of test chambers to a network with Ethernet interface The test chamber can optionally be equipped with an Ethernet instead of a USB interface 192 168 1 216
50. l out the tank drawer from the test chamber for CTC climatic test chambers see Fig 16 or open the flap for TTC temperature test chambers Screw open the lids of the condensation water tanks A1 and A2 remove tanks empty and then re insert them and screw the lids back on Caution Do not mix up the lids otherwise conden sation water may leak Screw on the lid with the T connector onto the tank at the rear A1 Fig 16 so that condensation water can flow into tank A2 when tank A1 is full For the climatic test chambers CTC fill the two fresh water tanks B1 and B2 as described on page 22 Check whether the silicone plugs have been inserted into the feed through on the right side of the appliance and if the seal is tight see Fig 18 on page 26 Al A2 B1 B2 Fig 16 Tank drawer shown in figure CIC climatic test chamber the TTC tem perature test chamber has just one con densation water tank behind a flap and no freshwater tank A1 A2 2 condensation water tanks 10 I each B1 B2 2 freshwater tanks 10 I each memmert Operation and control 5 4 Opening and closing the door Danger When opening the chamber door hot steam may escape and scald you in the face if the test chamber was in operation directly before this Remain behind the door when you open it and let out the steam or allow the test chamber to cool down before opening the door Warning Depending on operation the surfaces in the
51. lative humidity of the first ramp segment only for CTC 256 Turn the push turn control to the right until the hu midity display flashes Hold down the SET key and set the desired humidity setpoint of 10 5 rh with the push turn control Setting the close command of the first ramp segment Turn the push turn control to the right until a segment close command appears e g EMD Hold down the SET key and set the close command SPLIT TH with the push turn control Setting the duration of the second ramp segment Turn the push turn control further to the right until the time display flashes Hold down the SET key and set the time to 24 00 AT with the push turn control Turn the push turn control to the right until the tem perature display flashes Hold down the SET key and set the desired temperature setpoint of 505 C Setting the fan speed of the second ramp segment Turn the push turn control to the right until the fan icon flashes Hold down the SET key and set the fan speed of 40 4 bars with the push turn control Setting the relative humidity of the second ramp seg ment only for CTC 256 Turn the push turn control to the right until the humid ity display flashes Hold down the SET key and set the desired humidity setpoint of 155 rh with the push turn control Setting the close command of the second ramp segment Turn the push turn control to the right until a segment close command appears e g ED Hol
52. m should be disabled otherwise one has to be prepared for the fact that the temperature in the interior will rise considerably during the defrosting cycle A defrosting cycle can take up to 10 minutes During this period the fan is switched off no cool ing takes place and there is no compensation for heat loss 54 memmerf Advanced functions 7 6 Communication interfaces Depending on the specifications the test chamber can be fitted with different communication interfaces USB RS 232 485 Ethernet These are located on the left side of the appliance in the base see Fig 3 on page 10 and Fig 4 on page 11 7 6 1 USB interface The chamber is fitted by default with a USB interface in accordance with the USB specification With this interface it is possible to control and log the chamber remotely from the PC This is done with the help of the Celsius software To do so the chamber must be given a unique device address in the SETUP submenu menu item ADDRESS via which the PC communicates with the chamber The standard setting is ADDRESS 8 The climatic chamber can be selected and programmed with this If several chambers are to be connected to a PC via USB interface an appropriate interface on the PC and a separate cable are required for each chamber The maximum cable length is 5 m 7 6 2 Communication interfaces RS232 RS485 optional Instead of a USB interface the chamber can be optionally equipped with an RS232 seria
53. mber locked with user ID card Temperature monitor ing TWW ASF has been triggered Water tank empty Appliance system error Mains adapter defec tive Cooling unit iced up Contact Customer Service Unlock test chamber with user ID card see page 60 See chapter Temperature moni toring and safety equipment from page 48 Fill water tank see page 22 Contact Customer Service Contact Customer Service Set shorter defrosting intervals in SETUP DEFROST see Kapitel 7 5 Automatic defrosting system auf Seite 54 Disable humidification and dehu midification by setting humidity setpoint to OFF memmert Malfunctions and error messages Rectification Insufficient cooling power Air inlet outlet blocked Ensure that the fan opening on the front side of the appliance is not covered see page 10 Air filter soiled Clean air filter see page 63 Cooling unit iced up Set shorter defrosting intervals in SETUP DEFROST see Kapitel 7 5 Automatic defrosting system auf Seite 54 Too little refrigerant Contact Customer Service Air humidity cannot be ad Reliable climatic range Set temperature setpoint within justed only for CTC climatic deceeded exceeded climatic range from 10 C 95 test chambers C afterwards set the relative humidity 6 3 Power failure In case of a power failure the test chamber behaves as follows In normal 1 and week time switch operating modes After the power supply has been r
54. ndependent conversions or alterations may be made to the test chamber No parts may be added or inserted which have not been approved by the manufacturer Independent conversions or alterations result in the EC declaration of conformity see page 15 losing its validity and the test chamber may no longer be operated The manufacturer is not liable for any damage danger or injuries that result from independ ent conversions or alterations or from non observation of the regulations in this manual 1 7 Behaviour in case of malfunctions and irregularities The test chamber may only be used when in a flawless condition If you as the operator notice irregularities malfunctions or damage immediately put the test chamber out of service see Chapter 1 9 and inform your superior J You can find information on eliminating malfunctions from page 44 memmert Safety regulations 1 8 What to do in case of accidents 1 Keep calm Act resolutely and with consideration Pay attention to your own safety 2 Switch off test chamber 3 Call a doctor 4 Initiate first aid measures If available Call a trained first aid helper 1 9 Switching off test chamber in an emergency Push main switch on front side of appliance Fig 2 This causes the test chamber to switch off Remember that the inside of the chamber may still be very hot or very cold even after it has been switched off and that there may still be hot steam inside the chamber
55. ntrol memmert 5 5 Loading the test chamber Warning When loading the chamber with an unsuitable load toxic or explo sive vapours or gases may be produced This could cause the cham ber to explode and people could be badly injured or poisoned The chamber may only be loaded with materials test objects which do not form any toxic or explosive vapours when heated up and cannot ignite see also chapter 2 6 Intended Use on page 14 If there is any doubt as to the composition of materials they must not be loaded into the test chamber Caution J Check the chamber load for chemical compatibility with the materials of the test cham ber see page 14 When operating the chamber with a chamber load which itself emits heat to the interior dis able the automatic defrosting system see page 54 and chapter 7 2 Basic appliance settings Setup on page 46 Insert sliding grate s One sliding grate is included in the standard delivery The chamber must not be loaded too tightly so that proper air circulation in the working chamber is guaranteed Do not place any of the chamber load on the floor touching the side walls or right below the ceiling of the working chamber The maximum number and load capacity of the sliding shelves can be found in the table in chapter 2 9 Technical data on page 17 If the load is set up unfavourably too close together it may take longer than normal to reach the set temperature under certain circumstances
56. of the easy to clean chamber interior prevents build up of material remains which over time could impair the appearance and functionality of the stainless steel chamber The metal surfaces of the chamber can be cleaned with normal stainless steel cleaning agents Make sure that no rusty objects come into contact with the working chamber or with the stainless steel housing Rust deposits lead to an infection of the stainless steel If rust spots should appear on the surface of the working chamber due to impurities immedi ately clean and polish the affected area Do not clean the operating panel the plastic input module and other plastic parts of the chamber with abrasive or solvent based cleaning agents 8 2 Intensive cleaning Cleaning surfaces of the interior that are otherwise not accessible is possible after the side walls and rear wall have been dismantled 1 Pull out the silicone plugs remove the 8 Allen screws each on the left and right side walls and remove the walls Fig 36 2 Pull both temperature sensors from their sockets and let them hang down Fig 37 A 3 Dismantle the rear wall of the test chamber to do this remove the 4 screws in the corners and 2 screws beneath the fan and pull out the metal plate at an angle Fig 36 Make sure that the temperature sensors are guided through the opening in the steel plate and remain in the interior 4 The exposed surfaces can now be cleaned 5 When cleaning is finishe
57. only on an electrical power system that meets these requirements If necessary you can ask your local energy supply company what the system impedance is Only appliances may be connected to external connections whose interfaces comply with the requirements for safety extra low voltage e g computer printer Switch on appliance by pressing the main switch on the front of the appliance see Fig 18 on page 27 2 Caution 1 The first time the appliance is operated it must not be left unattended until it has reached the steady state 23 Operation and control D 5 1 Operation and control Operating staff memmert The test chamber may only be operated by persons who are of legal age and who have re ceived instructions for the test chamber Personnel who are to be instructed or who are under going general training may only work with the test chamber under the continuous supervision of an experienced person 5 2 General information on operation The condensation pressure of the cooling unit is controlled by the automatic speed adjust ment of the condenser fan The fan can therefore automatically run faster or slower in opera tion depending on the thermal energy extracted The speed of the interior fan can also vary At low temperatures the fan speed is automatically reduced In strong heating operation it is automatically increased 5 3 Before starting 1 o 24 Empty the condensation water tank To do so pul
58. ontain fresh water which the test chamber needs to humidify the interior The TTC temperature test chamber is equipped with just two condensation water tanks and has no fresh water tank To fill the fresh water tank pull the drawer out of the test chamber Fig 14 Press the attach ment clip on the tube connection and pull the tube connection upwards and off Fig 15 The lid can be removed the tank taken out and filled with fresh water Then twist the lid back onto the tank and push on the tube connection until it clicks into place Al A2 B1 B2 Fig 14 Fig 15 Tank drawer shown in figure CTC climatic 1 Press the attachment clip on the tube test chamber the TTC temperature test connection chamber has just one condensation water 2 ull the tube connection upwards and tank behind a flap and no freshwater tank l l A1 A2 2 condensation water tanks 10 I 3 Open the sealable lid each B1 B2 2 freshwater tanks 10 each 22 memmert Putting into Operation 4 5 Connecting Caution 1 Observe the country specific regulations when making connections e g in Germany DIN VDE 0100 with an RCD circuit breaker Also observe the connected loads and power values see chapter 2 9 Technical data on page 17 The test chamber is intended for operation on an electrical power system with a system im pedance Z__ at the point of transfer service line of a maximum of 0 292 Ohm The operator must ensure that the test chamber is operated
59. ounds caution for example with chlorine compounds The chamber load for the appliance must be carefully checked with respect to chemical com patibility with the materials mentioned A resistance table for all these materials can be requested from the company MEMMERT 2 6 Intended Use CTC temperature test chambers and CTC climatic test chambers may be used exclusively for temperature and climate testing of materials and substances in the context of the procedures and specifications described in this manual Any other use is improper and may result in hazards and damage The test chambers are not explosion proof they do not comply with the workplace health amp safety regulation VBG 24 of the Administrative Employers Liability Insurance Association The chambers may only be loaded with materials and substances which cannot produce any toxic or explosive vapours at temperature ranges up to 190 C and which themselves cannot explode burst or ignite The test chambers may not be used for drying vaporising and branding paints or similar materials the solvents of which could form an explosive mixture when combined with air If there is any doubt as to the composition of materials they must not be loaded into the test chamber Potentially explosive gas air mixtures must not be produced either in the interior of the chamber or in the direct vicinity of the appliance vY vy vv V V VVY 14 memmert Design and description 2 7 EC
60. ove the chamber load Empty the condensation water tank as described on page 24 In addition for CTC climatic test chambers fill up the freshwater tank see page 22 Empty the drip tray see Fig 41 on page 63 43 memmert Malfunctions and error messages 6 Malfunctions and error messages may receive an electric shock if you touch these parts Malfunctions requiring intervention inside the appliance may only be rectified by electricians Read the separate service manual for this Do not try to rectify the error yourself but contact an authorised customer service point for MEMMERT appliances or contact the customer services department of the company MEM MERT directly see page 2 For service enquiries please always specify the chamber type appliance number on the name plate see page 16 Warning IN After removing covers voltage carrying parts may be exposed You 6 1 Error in the temperature monitoring humidity system See chapter Warning messages on page 51 and Fig 20 on page 28 6 2 System appliance errors Nothing shows on display Power supply inter Check power supply although test chamber is rupted switched on Appliance cannot be operated UN Icon flashes Z Icon flashes and display RH EMPTY Error E in display Chamber interior and external fan not working Temperature fluctuates Temperature cannot be set lower than 10 C or not higher than 95 C 44 Appliance error Test cha
61. power cut and the return of voltage are stored in the controller Reading in the log memory to the PC via USB interface The log data can be read out either via the USB interface and then printed out from the PC or via a connected PCL3 compatible printer Using the Celsius programme the log memory of the controller can be read out to a PC and from there be displayed graphically printed out and stored J The log memory of the controller is not modified or deleted by the reading out Printing out log memory see also Chapter Printer on page 46 For a printout the GLP header is also printed automatically and contains the following details gt Date of printout Period of logging gt Consecutive page numbers Serial numbers and appliance name If the printer is not ready e g ink cartridge or paper tray empty no log data will be lost 1 Multiple printouts can also be made since the log memory is not deleted after printing 57 Advanced functions memmert 7 6 5 MEMoryCard XL On the MEMoryCard XL Fig 33 a temperature control programme with up to 40 ramp segments can be set up see page 35 This can be programmed directly on the control ler or via the Celsius software To programme the MEMoryCard XL with the PC and the Celsius soft i BA ware please read the user manual ioe kja for Celsius or the online help For the sake of retaining an overview it is recommended that you p
62. r or manufac turer Any appliances that are infected infectious or contaminated with materials that are a hazard to health are excluded from being taken back Please observe all other regulations in this context Note for Germany The appliance may not be left at public or communal recycling or col lection points 65 Index Index A Accidents 9 Acoustic signal 47 Adjust door 63 Air circulation 17 Air filter 62 63 Air humidity 18 ALARM sound 47 Altitude of installation 18 Ambient temperature 18 Appliance errors 44 ASF 49 Automatic defrosting system 47 54 Automatic temperature monitor 49 Basic appliance settings 46 Basic equipment 13 Basic operation 29 Cc Cable feed through 26 Calibration 51 Card reader 59 CD ROM 56 Celsius 55 Cleaning the air filter 63 Clearance 20 Clock time 46 Close command of the ramp segment 37 Closing the door 25 Communication address 47 Communication interfaces 55 Compensation correction values 47 53 Condensation 62 Condensation water runoff tube 62 Conformity 15 Connecting 23 Connections 18 Control 24 Controller 28 Conversions 8 Cool down speed 12 66 Cooling heating up speed 12 13 Cooling unit 51 Current consumption 17 Customer service 2 D Dangers 7 Date 47 Defrosting system 47 54 Degree of protection 17 Delayed programme start 35 Delivery 19 Description 10 Design 10 Designation 16 Disposal 65 Dispo
63. re trained for this work and who know the corresponding safety regulations Repairs may only be performed by qualified electricians The regulations in the separate service manual must be observed 1 5 Responsibility of the owner The owner of the test chamber is responsible for the flawless condition of the test chamber and for the test chamber be ing operated in accordance with its intended use see page 14 gt is responsible for ensuring that persons who are to operate or service the test chamber are qualified to do this have received instructions about the test chamber and are familiar with this operating manual is responsible for ensuring that the safety label on the test chamber see Chapter 1 3 is visible at all times must know about the applicable regulations requirements and work protection regula tions and train staff accordingly is responsible for ensuring that unauthorised persons have no access to the test chamber is responsible for ensuring that the maintenance plan is adhered to and that maintenance work is properly carried out see page 61 ensures for example through corresponding instructions and inspections that the test chamber and its surroundings are kept clean and tidy is responsible for ensuring that personal protective clothing is worn by operating person nel e g work clothes safety shoes and protective gloves gt gt gt gt gt gt 1 6 Changes and conversions No i
64. required qualification for this e g fork lift licence The test rig may not be transported with a crane Warning Because of the weight of the chamber you could get injured if you Warning The test chamber could fall over and seriously injure you Never tilt the test chamber and transport it only in an upright position This will also prevent oil from running out of the cooling unit and into the refrigerant circuit The weight of the test chamber is divided asymmetrically since the refrigeration unit is located on the left side 3 2 Delivery The test chamber can be packaged in a cardboard or other box and is delivered on a wooden pallet 3 2 1 Unpacking Remove cardboard packaging by pulling upwards or cutting carefully along an edge Unscrew wooden crate and remove Raise climate chamber from the wooden pallet using a fork lift truck or manual pallet jack and set down on the castors of the appliance 3 2 2 Checking for completeness and transport damage Check the delivery note to ensure that the delivery is complete Check the test chamber for damage fluid leaking etc If you notice deviations from the delivery note damage or irregularities do not put the test chamber into operation but inform the haulage company and the manufacturer 3 2 3 Disposing of packaging material Dispose of the packaging material cardboard wood in accordance with the appropriate regulations for the material in your country 3 3
65. rogramme large Fig 33 MEMoryCard XL programmes graphically on the PC If a MEMoryCard XL is programmed it can only be read in the same type of chamber for which it was programmed The text field of the MEMoryCard XL can be filled individually with text or diagrams Directly programming the MEMoryCard XL via the test chamber 1 Push the MEMoryCard XL into the card reader in the appliance operating panel see Fig 21 on page 28 2 Programme the chamber as described in Chapter 5 7 The chosen settings are written directly to the card and stored on it After the card is removed the programme stored internally in the controller is activated again Programming the MEMoryCard XL from the PC with the test chamber 1 Connect the PC to the chamber s USB interface with an interface cable see Chapter 7 6 1 USB interface on page 55 2 Push the MEMoryCard XL into the card reader in the appliance operating panel see Fig 21 on page 28 3 Programme the chamber on the PC The chosen settings are written to the card and stored on it Via the Celsius software the MEMoryCard XL can be provided with a write protection The programme on the card can then no longer be altered on the controller Programme alterations via the controller are only possible if the write protection has been disabled from the PC with the Celsius software memmert 58 memmerf Advanced functions Programming the MEMoryCard XL from the PC wit
66. sing of packaging material 19 Door 25 Drip tray 63 EC Declaration of Conform ity 15 Electrical equipment 17 Electronic temperature moni toring 48 Emergency 9 Ending operation 43 ENDSOUND 47 Environmental conditions 18 Error messages 44 Ethernet 56 Example of settings Week time switch 34 Example setting Normal mode 31 Example setting program ming mode 39 F Flash memory 60 Freshwater tanks 22 Fuses 17 memmert H Heat compensation 12 Humidity calibration 53 Humidity operation 11 l Icing 54 ID LOCK 60 Installation 20 Intended Use 14 Interfaces 55 Interior lamps 64 IP address 56 Irregularities 8 J K Key icon 60 L Labelling 7 Lamps 64 Language 47 Laptop 21 43 Laptop holder 21 Load 17 Loading 26 Lock 60 Log memory 45 57 Maintenance 61 Malfunctions 8 44 Manufacturer 2 Material 14 Memory 57 MEMoryCard 58 MEMoryCard XL 58 Minimum clearance 20 Monitoring 17 Monitoring temperature 48 N Nameplate 16 Network 56 Networking 55 Noise level 17 Normal mode 30 memmert O Opening and closing the door 25 Operating modes 29 Operating mode settings 30 Operating panel 28 Operating personnel 8 Operating staff 24 Operating voltage 17 Operation 24 P PC 43 Performance 17 Power failure 45 Printer 46 Printout 57 Product safety 7 Programming mode 35 Ramp repeat function 38 Ramp segments 37 Read write device 59 Regular maintenance 62 Repairs 6
67. tric shock Heat hot surface danger of burning Dangerous gases vapours Wear gloves K Wear safety shoes BA Observe information in separate manual gt gt Regulation signs stipulate an action Disconnect the mains plug Other symbols Information on i Important or useful additional information first aid ao memmert Safety regulations 1 2 Product safety and dangers Temperature test chambers of type TTC and climatic test chambers of type CTC are technically advanced manufactured using high quality materials and are tested for many hours in the factory The test chambers are state of the art technology and comply with recognised techni cal safety regulations However there are still dangers involved even when the appliance is used as intended These dangers are described below Warning When opening the chamber door hot steam may escape and scald you Remain behind the door when you open it and let out the steam or allow the test chamber to cool down before opening the door Warning Depending on operation the surfaces in the chamber interior the viewing window the cable feed through and the chamber load may be very hot or very cold You could suffer from burns or frostbite if you touch these surfaces Allow the chamber interior to first adjust to room temperature after opening the door or use heat resistant protective gloves Warning After removing covers voltage carrying parts may be
68. unction and humidity Close command ramp segment No 4 MEYT VILA Close command ramp segment No 3 SP Close command ramp segment No 2 Close command ramp segment No 1 SP mer N Ls Ls Segment4 Close command ramp segment No 5 ERD mere Luh kis Segment2 S programme start Schematic example of the use of ramp segment close commands memmert Operation and control 5 8 7 Example setting programming mode For the TTC temperature test chamber there is no programming of humidity On Monday at 8 00 the test chamber should heat up to 50 C as quickly as possible with a fan speed of 40 and reach a relative humidity of 70 rh Once the temperature and hu midity have been reached the test chamber should retain the setpoint values for 45 minutes and then cool down within one hour to a humidity of 50 rh and 37 C Fig 26 Fig 26 Settings example for programming mode Before programming ramp sequences especially complicated ones it is recommended U that you prepare a similar plan so that you enter the required ramp commands correctly as described below For the sake of retaining an overview it is recommended that you programme large programmes graphically on the PC 30 Operation and control memmert 1 40 Weekday for delayed programme start Setting the programming operating mode Hold the SET key down for approx 3 seconds the cur rent operating mode then
69. used EEE a ee 6 1 2 Rroduetsafelyviand danges ar ha ee 7 1 3 Safety labellngz 2 sor ach cts a Deu Dear 7 1 4 Requirements of the operating personnel 00u40044000nnennennnennenennenennnennnnennnennenennnnn 8 1 5 Responsibility of the Owner nase an eee 8 1 6 Changes and C nvessionsi na te eeteusldeccnetteins viel eleiepeterstaraee 8 1 7 Behaviour in case of malfunctions and irregularities cccceceeeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeeees 8 1 8 What to do in case ofac densiun aan ee eee 9 1 9 Switching off test chamber in an emergengy se sssessseesresresrssrsrrstrrrnrrettntnttnrtnnnntnstnnnnnnet 9 2 Design and description 10 2AF Designs en N AA a E A A N 10 PAP 2 DIE 101110 a a ee 11 2 2 1 Temperat reoperstion a a au seaeeilecki 11 2 2 2 Humidity operation only CTC climatic test chamber 42204440er nennen nennen 11 232 Working MAIO tics 2 2 ee een a onen ee aut e ls een 12 2 4 BASIC SQUIBMENT er ee Eee en ee eas 13 2 So Materials ee E E Pee eo tee Pre ee eee ne rae 14 2 6 Intended Use sa are ee een 14 2 7 EC Declaration of Conformity u ee nee 15 2 8 Designationfnameplate ae ekrrelerneTeieehees 16 29 Technica da a ek einen 17 2 10 Environmental conditions 2 ee ee 18 22171 CONNeetions ser ser ee ae 18 2 12 Standard accessories zu cn ante el 18 3 Delivery Transport and Setting Up 19 3 1 Safety Regulationss nncse ae E a E aaae 19 32 DEVEN rn ee ne ee a el 19 32
70. w temperatures the fan speed is automatically reduced In strong heating operation it is automatically increased 30 memmert Operation and control Temperature monitoring Adjustment range MIN MAX AUTO see also page 48 Humidity setpoint only for CTC 256 Adjustment range 0 to 98 rh off Not all combinations of temperature and humidity are possible see also Fig 5 on page 12 5 8 2 Example setting Normal mode The test chamber should heat up to 50 C with a humidity of 70 rh and a fan speed of 40 The monitoring function MAX should respond at 55 C and MIN at 45 C Fig 23 Example of normal mode only for CTC 256 31 Operation and control memmert 1 Setting the normal operating mode Hold SET key down for approx 3 seconds the current operating mode then begins to flash Select the operating mode C4 with the push turn control D O A m e while the SET key is held down After you let go of the SET key the control is in the normal operating mode 2 Setting the temperature setpoint L o Hold down the SET key and set the desired temperature set IL C point of 50 0 C Release the SET key the appliance will briefly flash showing the temperature setpoint Then the current temperature appears on the display and the controller begins to move to the set temperature of 58 0 C Heating up is indicated by the SM symbol gt Cooling down is indicated by the green cooling symbol
71. with a close command connecting the ramp to the next one These commands thus control the programme sequence NIE vT NEXT Connect the next programme segment SET POINT WAIT T Temperature Wait until setpoint has been reached Appliance starts the next programme segment only when the programmed setpoint temperature has been reached even if the set heating up time has already elapsed 37 Operation and control Der T l Si Il I _ II mi Fig 25 38 memmert SET POINT WAIT H humidity only for CTC 256 Wait until setpoint humidity has been reached Appliance starts the next programme segment only when the programmed setpoint humidity has been reached even if the set heating up time has already elapsed IN SET POINT WAIT TH temperature and humidity only for CTC 256 Wait until setpoint temperature and setpoint humidity have been reached Appliance starts the next programme segment only when the programmed setpoint temperature and programmed setpoint humidity have been reached even if the set heating up time has already elapsed Ramp repeat function The programme entered is repeated after it has run through all programmed segments i 35 repeats CONT endless repeat function Ltt Programme end while maintaining the temperature and humidity of last programme ramp Programme end switching off the heating cooling f
72. y see page 28 Control of appliance and logging of actual values on MEMoryCard XL see page 58 Programme sequence control for up to 40 ramp segments see chapter 5 8 5 Program ming mode on page 35 Integrated week time switch with group function e g each working day see chapter 5 8 3 Week time switch on page 33 Retracting push turn control for simple operation of appliance see page 27 Acoustic warning signal when programme ends and for input acknowledgment button click see page 47 Digital monitoring control for overtemperature undertemperature and automatic setpoint following automatic safety function ASF see page 48 Two separate Pt100 temperature sensors DIN Cl A in a 4 wire circuit for control and moni toring see page 21 Parallel printer port PCL3 compatible see page 46 USB interface optionally Ethernet for computer based temperature control programmes and to read out the controller s internal log memory see page 55 MEMMERT Celsius software from version V9 4 for remote control of the test chamber via computer and to read out the controller s internal log memory Design and description memmert Calibration certificates for temperatures at 20 C and 160 C and for humidity at 30 C and 60 rh A pre formatted empty MEMoryCard XL with a storage capacity of 32 kByte Reprogrammable for up to 40 ramp segments and in addition 135 hours of log memory for temperature and humidity with a scan
73. y mode or the week time switch is in the ON phase the tempera ture setpoint can be directly accessed by briefly pressing the SET key By turning the control to the right you are returned to temperature monitoring and humidity By turning to the left you come back to the settings for the individual time blocks 5 8 4 Example of settings Week time switch The test chamber should be switched on at 07 30 from Mo Fr working day group and switched off at 18 00 and in addition it should operate on Saturdays from 10 00 14 00 Fig 24 7 30h 18 00h Fans Tann 7 30h 18 00h Fig 24 Operation with week time switch example 1 Setting the week time switch operating mode Hold the SET key down for approx 3 seconds the current operating mode then begins to flash Select the week time switch operating mode with the push turn control while the SET key is held down Release the SET key the control is now in the week time switch operating mode 2 Switch on Mo Fr at 7 30 Turning the push turn control to the left select Mo Fr on group working days Hold down the SET key and set the desired switch on time to 1 39 with the push turn control 34 memmert Operation and control 3 Switch off Mo Fr at 18 00 Select Mo Fr off group working days with the push IOMA turn control Oui h Hold down the SET key and set the desired switch off time to 8 33 with the push turn control 4 Switch on Sa at 10 00 Sel

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