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3.2 Design of the device

Fig. 1: Front

Filler nozzle with cover

Control panel

Manometer

Mains switch

Alarm output (interface 12N) and module slots

Front panel (ventilation openings only on air-cooled devices)

Ventilation openings (on both sides)

Four castors (front castors with locking brakes)

Device description

Variocool

Содержание VC 1200

Страница 1: ...rating instructions Read the instructions prior to performing any task Variocool VC 1200 W VC 2000 W VC 3000 W VC 5000 W VC 7000 W VC 10000 W Circulation chiller The right temperature worldwide V07REV...

Страница 2: ...CO KG Pfarrstrasse 41 43 97922 Lauda K nigshofen Germany Phone 49 0 9343 503 0 Fax 49 0 9343 503 222 E Mail info lauda de Internet https www lauda de Variocool 2 YAWD0032 6 en_GB 23 03 2020 To replace...

Страница 3: ...al protective equipment 11 1 14 Product safety label 11 1 15 Structure of warnings 11 2 Unpacking 13 3 Device description 14 3 1 Device types 14 3 2 Design of the device 15 3 3 Operating elements 17 3...

Страница 4: ...uids 40 5 2 Establishing power supply 41 5 3 Switching on device for the first time and filling with water 42 5 3 1 Fill mode 42 5 3 2 Switching on and filling device 43 5 4 Setting pump pressure 45 6...

Страница 5: ...f the internal actual temperature calibration 67 6 14 Restoring factory calibration internal temperature sensor 67 6 15 Restoring factory settings 68 6 16 Device status 69 6 16 1 Retrieving device sta...

Страница 6: ...ining condenser 90 10 Disposal 92 10 1 Disposing of refrigerant 92 10 2 Device disposal 92 10 3 Disposing of packaging 92 11 Technical Data 93 11 1 General data 93 11 2 Cooling capacity 95 11 3 Refrig...

Страница 7: ...by the design in accordance with the applicable standards Residual haz ards are reduced using any of the following measures n If relevant there are safety fittings for the device These devices are es...

Страница 8: ...able misuse Misuse of the device must always be prevented Among other things the following uses are considered to be fore seeable misuse n Operation of the device without heat transfer liquid n Incorr...

Страница 9: ...nts for the heat transfer liquid n Heat transfer liquids are used for temperature control Only LAUDA heat transfer liquids are approved for use in the device LAUDA heat transfer liquids are tested and...

Страница 10: ...ment n Ambient temperature range from 5 to 40 C Ambient temperature range with outdoor installation from 20 to 40 C n Maximum relative air humidity 80 for temperatures up to 31 C decreasing linearly...

Страница 11: ...vities These protec tive goggles must comply with the legal requirements for personal protective equipment of the European Union 1 14 Product safety label The graphic symbol Hot surface is applied to...

Страница 12: ...1 Measure n A warning of the type Caution indicates a potentially haz ardous situation n This can result in minor reversible injuries if the warning is disregarded CAUTION Type and source Consequence...

Страница 13: ...the device or accessories inform the carrier immediately so that a damage report is produced and a check of the transport damage can be made Also inform LAUDA Service Constant Temperature Equipment i...

Страница 14: ...in the device type is optional It identifies water cooled devices n All device types can be equipped with a heater ex factory to heat the heat transfer liquid n All device types are also available wi...

Страница 15: ...Control panel 3 Manometer 4 Mains switch 5 Alarm output interface 12N and module slots 6 Front panel ventilation openings only on air cooled devices 7 Ventilation openings on both sides 8 Four castors...

Страница 16: ...sent on water cooled devices 7 Ventilation grid 8 Type plate 9 Mains cable 10 Fuses up to and including VC 3000 W Device description Variocool 16 1 Pump connection outlet 2 Bypass adjustment wheel 3 P...

Страница 17: ...sitions n In position I the device is switched on n In position O the device is switched off The mains power switch can be turned to the following positions n In position I the device is switched on n...

Страница 18: ...il in the bath boiler to cool the heat transfer liquid Detailed information about the technical data of the pump can be found in Chapter 11 4 Filling volume and characteristics of the pumps on page 96...

Страница 19: ...tes are installed on the device via this interface only for updaters no process interface The devices are equipped with an alarm output as standard equip ment This changeover contact is switched if th...

Страница 20: ...e control can be used with the constant temperature equipment via the LiBus connection It is also possible to con nect additional modules such as the LRZ 918 but without Pt100 interface A solenoid val...

Страница 21: ...aining pre heating time required before the compressor can be started The compressor is preheated using its own heater The other components pump and heater are started immediately when the device is s...

Страница 22: ...rating pressure on the refrigerant high pressure side compression liquefaction PS low pressure I maximum permitted operating pressure on the refrigerant low pressure side expansion evaporation Power c...

Страница 23: ...requirements on page 8 Operation outdoors at outdoor temperatures below 5 C A warning is displayed on the screen indicating the duration of the preheating time for the compressor and whether the comp...

Страница 24: ...mp pressure 4 2 1 Thermostatic hoses and hose clips CAUTION Discharge of heat transfer liquid during operation caused by use of unsuitable tubes Scalding frostbite Use tubes with temperature resistanc...

Страница 25: ...40 100 RKJ 032 EPDM hose with fabric reinforce ment VC 7000 to VC 10000 W G 1 20 nipple 1 Hose nozzle with screw cap EOA 003 10 bar 25 x 34 40 100 RKJ 033 Tab 4 Hose clips Suitable for hose Clear widt...

Страница 26: ...e and become a danger for persons and material 4 3 Cooling water 4 3 1 Requirements for the cooling water This section is relevant for the following n For water cooled devices NOTICE Schema cooling ci...

Страница 27: ...biological content bacteria that may settle in the cooling water circuit Data Value Unit pH value 7 5 9 0 Hydrogen carbonate HCO3 70 300 mg l Chlorides 50 mg l Sulphates SO4 2 70 mg l Ratio of hydroge...

Страница 28: ...the drain area so that spraying out of hot cooling water is not possible n Prevent kinking or crushing of the hoses n We recommend using a leak detector with water shut off to prevent damage due to co...

Страница 29: ...ound state when no faults occur n Pins 1 and 2 are closed n Pins 3 and 2 are open Information on the settings for the alarm output can be found in Chapter 6 12 7 Configuring alarm output on page 66 No...

Страница 30: ...rface a free COM port is automatically assigned to the device The PC uniquely identifies the device using the internal serial number and always assigns the same COM port to this device If additional d...

Страница 31: ...nit DANGER Contact with live parts Electric shock Disconnect the device from the mains power supply before installing modules 1 Touch the grounded bare metal stainless steel rear side of the circulati...

Страница 32: ...limit TiL IN_PAR_00 Query of control parameter Xp IN_PAR_01 Query of control parameter Tn 181 OFF IN_PAR_02 Query of control parameter Tv IN_PAR_03 Query of control parameter Td IN_PAR_04 Query of co...

Страница 33: ...umber of RS 232 485 module VERSION_Y Query of software version number of Ethernet module VERSION_Z Query of software version number of EtherCAT interface VERSION_D Query of software version number of...

Страница 34: ...nse e g 20_14_12_20 day 20 14 12 20 LOG_IN_03 Query of recording interval from data logger response in seconds Please note n For _ space character is also permitted n Unless otherwise specified for th...

Страница 35: ...ol parameter TnE 0 9000 s 9001 Off OUT_PAR_06_XXXX Setting control parameter TvE 5 OFF OUT_PAR_07_XXXX X Setting control parameter TdE OUT_PAR_09_XXX X Setting the correction value limit OUT_PAR_10_XX...

Страница 36: ...centre must be terminated with CR CRLF or LFCR n The response from the constant temperature equipment is always terminated with CRLF n After every command sent to the constant temperature equip ment...

Страница 37: ...able and test of interface RS 232 Computer Thermostat Signal 9 pin Sub D female con nector 25 pin Sub D female connector 9 pin Sub D female con nector Signal with hard ware hand shake without hardware...

Страница 38: ...rminal program 4 4 9 Protocol RS 232 Please note n Connection to SUB D 9 pin socket n The interface operates with 1 stop bit no parity bit and 8 data bits n Selectable transmission speed 2400 4800 960...

Страница 39: ...can be activated using jumpers 4 4 11 Protocol RS 485 Please note n The interface operates with 1 stop bit no parity bit and 8 data bits n Selectable transmission speed 2400 4800 9600 factory set tin...

Страница 40: ...in mm s for temperature Container size Catalogue number 5 l 10 l 20 l Kryo 30 Monoethy lene glycol and water mixture 30 90 4 50 at 25 C LZB 109 LZB 209 LZB 309 Aqua 90 decalcified water 5 90 1 LZB 12...

Страница 41: ...vices must be fused with a circuit breaker of max 16 amperes Exception Devices with 13 ampere UK plugs n Three phase devices Three phase devices must be fused according to the power consumption The va...

Страница 42: ...he filling at the latest now If a continuous tone sounds the device is overfilled and cannot be started You must drain some heat transfer liquid from the device to be able to start it again To fill an...

Страница 43: ...y heat transfer liquid Use a funnel for filling 1 Close the drain tap Turn the lever to the left for this 2 Switch on the device using the mains power switch For devices VC 3000 W and lower turn the m...

Страница 44: ...e audible signal of the device If necessary use a funnel for filling The filling mode can be invoked again at any time using the menu 8 Close the filler nozzle with the cover 9 End the filling mode by...

Страница 45: ...wheel on the back of the device To do so turn the adjustment wheel anticlockwise Personnel n Operating personnel CAUTION Bursting of the external consumer due to overpres sure Scalding frostbite cutti...

Страница 46: ...ith a heater may reach temperatures of up to 100 C 6 2 Operating modes Two operating modes are supported for the devices n During operation the components of the device are operated n In the standby o...

Страница 47: ...Fig 13 Menu structure part 1 Operation Variocool 47...

Страница 48: ...Fig 14 Menu structure part 2 Menu structure for Graph Clock and Standby Operation Variocool 48...

Страница 49: ...on the device The basic window contains different components depending on the state 1 Expanded status display 2 Status display 3 Internal actual temperature Tint depending on set control vari able the...

Страница 50: ...n this bar Unlike devices with a heater there is no field with heat output infor mation available in the expanded status display During standby operation the expanded status bar shows Standby instead...

Страница 51: ...tions cannot be adjusted The currently selected entry is highlighted with colour The structure of submenus basically corresponds to that of the main menu The softkey bar is shown in the lower display...

Страница 52: ...lected setting is accepted by pressing the OK enter button n The value to be entered is shown in large characters The cursor under the value flashes n Individual digits can also be selected and change...

Страница 53: ...re replaced by The entry function is now locked The display can be switched between basic window and graphic display Personnel n Operating personnel 1 Press and hold down the ENTER button 2 Press and...

Страница 54: ...e to the main menu 2 Select the Set temperature item in the main menu An input window is displayed The cursor under the value flashes The set temperature can be adjusted within the displayed limit val...

Страница 55: ...capacity is required 4 Confirm with the Enter button The cooling unit on devices without heating might show prolonged standstill periods several minutes in Automatic mode Fig 29 Basic window in Stand...

Страница 56: ...temperature that is predefined by the external temperature sensor and then process it as a set point For example the bath temperature can be 15 C below the temperature of a reactor that the external...

Страница 57: ...ff set actual value in the Setpoint offset menu An input window is displayed 2 Adjust the offset value within the displayed limit values 3 Confirm with the OK button 6 11 Control The internal and exte...

Страница 58: ...is damped As rule of thumb the following applies Tv Tn x 0 75 An important prerequisite for acceptable control quality is well designed hydraulics Therefore an as good as possible connection between...

Страница 59: ...00 for longer Therefore the actual value approaches the set point more quickly and the I part has less time to integrate the con trol difference The overshooting is reduced If the proportional range s...

Страница 60: ...l range appears to be well adjusted The approach to the setpoint becomes significantly slower for diminishing control deviation The strong reduction of the propor tional part P part must be compensate...

Страница 61: ...ith fixed factors from Tn The temperature limits Tih and Til also influence the control 6 11 4 Adjusting internal control parameters Personnel n Operating personnel 1 Select the menu item Control para...

Страница 62: ...ature with the external temperature consumer temperature and uses this information to calculate the set temperature set point_internal for the slave controller internal controller n The slave controll...

Страница 63: ...annot be selected In this case Tve and Tde are derived with fixed factors from Tne 3 Confirm with the ENTER button Selection of the menu item Tv manual auto activates manual or automatic control depen...

Страница 64: ...m Setup Basic setup Display Brightness 3 The following options are available in the input window n The brightness is adjusted automatically with the automatic default setting n The brightness can be s...

Страница 65: ...fuse is below 16 A the current consumption can be gradually reduced from 16 A to 8 A For devices with a heater the output of the heater is reduced accordingly Take account here whether other consumer...

Страница 66: ...level is reached 4 Confirm with the OK button 6 12 7 Configuring alarm output Appropriate configuration must be performed if standby of the device as well as alarms should be output at the alarm outpu...

Страница 67: ...tic circulator with a calibrated reference thermometer shows such a deviation The probe of the reference thermometer must be installed in the outflow of the device in accordance with the specification...

Страница 68: ...libration 6 15 Restoring factory settings Personnel n Operating personnel 1 Change to the main menu 2 Select the menu item Setup Factory settings Personnel n Operating personnel 1 Select the menu item...

Страница 69: ...he OK button Personnel n Operating personnel 1 Select the menu item Reset all 2 Select one of the following options n Selecting no returns to the previous display without making any changes n Selectin...

Страница 70: ...levant module which causes the message is dis played under Source n Code is the coded alarm warning or error description n Type specifies alarm warning or error n The exact time of the message is disp...

Страница 71: ...bers of connected modules are also displayed if they are available 6 17 Programmer 6 17 1 Programme example The programmer function allows storage of temperature time pro grammes The program consists...

Страница 72: ...be programmed here Contact modules are available as accessories The graphic shows an example of reprogramming a setpoint tem perature profile Fig 61 Program example The cool down time in the graph var...

Страница 73: ...2 S3 Start 30 00 0 1 off off off 2 50 00 0 20 0 0 off off off 3 50 00 0 20 0 1 off off off 4 70 00 0 20 0 0 off off off 5 70 00 0 10 0 8 off off off 6 60 00 0 30 0 0 off off off 7 30 00 0 0 0 0 off of...

Страница 74: ...ow ramps should be programmed with a tolerance range as needed Steep ramps that are close to the maximum possible heating or cooling rates of the device may be severely delayed 4 if the tolerance rang...

Страница 75: ...continued as the required tolerance is never reached n The default setting for contact modules is off The entry for contact modules stands for no changes to the previous seg ment i e if is in all fie...

Страница 76: ...ng program n Modifications of the existing temperature values and segment times are possible in a running program The segment is con tinued as if the change had been valid since the segment was starte...

Страница 77: ...nel 1 Select the Loops menu item for the selected program An input window is displayed The loops can be defined within the displayed limits 2 Adjust the number of loops accordingly Press the LEFT arro...

Страница 78: ...gram 2 You have the following options n Select the Start option to start the program n If the program is started it can be interrupted using Pause An interrupted program can be continued using Continu...

Страница 79: ...ories and heat transfer liquid Burns scalding frostbite Ensure device parts accessories and heat transfer liquid are at room temperature before touching them NOTICE Contact with rotating part Severed...

Страница 80: ...erating time half yearly Inspection of the heat transfer liquid 7 3 Cleaning device Personnel n Operating personnel WARNING Ingress of cleaning agents in the device Electric shock Use a moist cloth fo...

Страница 81: ...p the heat transfer liquid The liquid level rises on the display 4 Unlock the display with the Enter button The device restarts 7 5 Cleaning air cooled condenser Personnel n Operating personnel 1 Swit...

Страница 82: ...g unit and should be directed into a container with sufficient storage capacity at least 10 litres Personnel n Operating personnel 1 Switch off the device using the mains power switch 2 Dissolve the d...

Страница 83: ...in the condenser afterwards Further information about draining the condenser can be found in Chapter 9 2 Draining con denser on page 90 9 Thoroughly flush the cooling water circuit with clean water Al...

Страница 84: ...n the case of an error switch off the device at the mains power switch If the error occurs again after restarting the device note the error code and the associated description and contact LAUDA Consta...

Страница 85: ...mp are switched off by the electronics Personnel n Operating personnel 1 Refill lacking heat transfer liquid 2 Unlock the display with the OK button The device restarts 8 4 Overtemperature alarm This...

Страница 86: ...ected 010 SW Control too old Software version of control system too old 011 SW Safety too old Software version of safety system too old 012 SW Command too old Software version of remote control unit C...

Страница 87: ...0 Level very low Level too low top up heat transfer liquid 051 Level high Level too high fill level of the heat transfer liquid too high risk of bath overflow 055 CAN buff overflow Buffer overflow for...

Страница 88: ...e version of pump 0 too old 123 SW Pump 1 old Software version of pump 1 too old 124 SW Pump 2 old Software version of pump 2 too old 125 SW Pump 3 old Software version of pump 3 too old 126 SW HTC ol...

Страница 89: ...version of solenoid valve 3 too old 321 SW Valve 4 old Software version of solenoid valve 4 too old 322 SW Pump 0 old Software version of pump 0 too old 323 SW Pump 1 old Software version of pump 1 to...

Страница 90: ...the used heat transfer liquid 1 Switch off the device 2 Let the device and the heat transfer liquid cool down or heat up to room temperature 3 Position a container with appropriate capacity directly...

Страница 91: ...n be found in Chapter 7 6 Cleaning water filter on page 81 5 Clean the water filter of the device Then reinsert it into the inlet connection spigot 6 Leave the cooling water hose for the return flow s...

Страница 92: ...isposal must be performed by specialist per sonnel Type and fill quantity of the refrigerant can be seen on the rating plate Repair and disposal may only be performed by a refrigeration tech nology sp...

Страница 93: ...ature range with heater Dimensions W x D x H Weight Unit C C K mm kg VC 1200 20 40 20 80 0 05 450 x 550 x 650 54 VC 1200 W 20 40 20 80 0 05 450 x 550 x 650 51 VC 2000 20 40 20 80 0 05 450 x 550 x 650...

Страница 94: ...0 2500 VC 5000 W 20 20 0 0 VC 7000 50 50 20 20 4500 VC 7000 W 20 20 0 0 VC 10000 50 50 20 20 4500 VC 10000 W 20 20 0 0 Tab 12 Power consumption VC 1200 W to VC 3000 W Alternating current VC 1200 W VC...

Страница 95: ...e temperature values are shown in brackets The ambient temperature for the measurement is 20 C ethanol was used as heat transfer liquid The cooling water temperature is 15 C and the cooling water diff...

Страница 96: ...2A R 452A Maximum filling weight kg 2 0 2 0 2 0 2 0 GWP 100a 2140 2140 2140 2140 CO2 equivalent t 4 28 4 28 4 28 4 28 Global Warming Potential GWP comparisons CO2 1 0 Time horizon 100 years in accorda...

Страница 97: ...3 2 bar 37 L min 4 8 bar 37 L min 1 Characteristics at 200 V 60 Hz 1 2 bar 28 L min Three phase current VC 5000 W VC 7000 W VC 10000 W 400 V 3 N PE 50 Hz 3 2 bar 37 L min 4 8 bar 37 L min 5 0 bar 60 L...

Страница 98: ...Fig 77 Characteristic curves of the pumps Fig 78 Characteristic curves of the pumps Characteristic curves of the pumps Technical Data Variocool 98...

Страница 99: ...output and power consumption Three phase current VC 5000 W VC 7000 W VC 10000 W Unit 400 V 3 N PE 50 Hz Heat output 4 5 4 5 7 5 kW Power consumption with heater 7 8 8 8 11 1 kW 208 220 V 3 PE 60 Hz He...

Страница 100: ...VC 2000 W VC 3000 W 230 V 50 Hz T10 A T16 A T16 A with heater T16 A T16 A T16 A 200 V 50 60 Hz T16 A T16 A T16 A with heater T16 A T16 A T16 A 208 220 V 60 Hz T16 A T16 A T16 A with heater T16 A T16 A...

Страница 101: ...914 Tab 25 Connector Accessories Catalogue number External temperature sensor with connector and shielded connection cable ETP 059 Coupling connector 6 pin for analogue inputs outputs EQS 057 Connecto...

Страница 102: ...the right to assert further claims 13 2 Technical changes Manufacturer reserves right to make technical modifications 13 3 Warranty conditions LAUDA provides a warranty of one year on equipment as st...

Страница 103: ...General Variocool 103...

Страница 104: ...Code Alarms 84 Warnings control system 86 Warnings safety system 87 Warnings SmartCool 88 Condenser 18 Configuring alarm level for fill level 66 Configuring alarm output 66 Conformity EU 103 Control W...

Страница 105: ...ers 61 F Factory calibration internal actual temperature Restoring 67 Factory settings restoring 68 69 Filler nozzle position 16 Filling 43 Flow pressure 97 Flow rate 97 G GWP 96 H Heat transfer liqui...

Страница 106: ...Protective equipment personal overview 11 Pump Connection position 17 Pump characteristic curve 99 R Read memory error 70 Refrigerant Filling quantity 96 Filling weight 96 Refrigeration unit Descript...

Страница 107: ...enu Access 51 Navigation 51 Switching on 49 T Td 61 Tde 62 Technical data Pump characteristic curve 99 Technical Data Flow pressure 97 Flow rate 97 Three phase motor Direction of rotation 41 Tih 53 Ti...

Страница 108: ...MC Directive 2014 30 EU RoHS Directive 2011 65 EU The equipment is not covered by the Pressure Equipment Directive 2014 68 EU as the maximum classification of the equipment is Category 1 and it is cov...

Страница 109: ...also enclose this fully completed declaration RMA number Product serial number Customer operator Contact name Contact email Contact telephone Zip code Place Street house number Additional explanation...

Страница 110: ......

Страница 111: ......

Страница 112: ...LAUDA DR R WOBSER GMBH CO KG Pfarrstrasse 41 43 97922 Lauda K nigshofen Germany Phone 49 0 9343 503 0 Fax 49 0 9343 503 222 E Mail info lauda de Internet https www lauda de...

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