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8.3 Low level alarm

An alarm signal sounds if the liquid level falls below the minimum level.

Low Level

appears in the display. The components of the device, e.g. the

pump, are switched off via the electronics system.

Personnel:

Operating personnel

Top up the missing heat transfer liquid.

Unlock the display with the Enter button.



The device restarts.

8.4 Overtemperature alarm

If the temperature exceeds 90 °C,

3 overtemperature

alarm is triggered and

a two-tone acoustic signal sounds.

The heaters, cooling system and pump are switched off as a result of this

alarm.
1.

Switch off the device.

Allow the device to cool down (> 20 minutes).

Switch on the device.

Press the

key to acknowledge the alarm.

Fig. 68: Low Level Alarm

Rectifying a fault

Fig. 69: Overtemperature alarm

V08

Variocool

74 / 97

Содержание VC 1200

Страница 1: ...Variocool VC 1200 W VC 2000 W VC 3000 W VC 5000 W VC 7000 W VC 10000 W Operation manual Circulation chiller V8R8 Read this manual prior to performing any task ...

Страница 2: ...3R100 1 17 2022 Translation of the original operation manual LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Germany Telephone 49 0 9343 503 0 Fax 49 0 9343 503 222 E mail info lauda de Internet https www lauda de V08 Variocool 2 97 Q4WA E_13 002 8 en_US LAUDA 2012 ...

Страница 3: ...nt 10 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 Setup of the device 15 3 3 Operating elements 17 3 3 1 Mains switch 17 3 3 2 Display buttons 18 3 4 Functional elements 18 3 4 1 Hydraulic circuit 18 3 4 2 Cooling unit 19 3 4 3 Interfaces 19 3 5 Equipment 21 3 6 Type plate 22 4 Before starting up 23 4 1 Installation 23 4...

Страница 4: ...5 4 Lock and release operating buttons 42 6 6 Define temperature limits 43 6 7 Specifying the set point 44 6 8 Activating and deactivating standby 44 6 9 SmartCool cooling 44 6 10 External control 45 6 10 1 Activating the external control 45 6 10 2 Specifying the set point offset 46 6 11 Control 47 6 11 1 Basics 47 6 11 2 Opening the control menu 49 6 11 3 Overview of internal control parameters 5...

Страница 5: ... numbers 61 6 17 Programmer 61 6 17 1 Program example 61 6 17 2 Selecting the program 64 6 17 3 Create and edit programs 64 6 17 4 Defining program loops 66 6 17 5 Starting interrupting and ending a program 67 7 Maintenance 68 7 1 General safety instructions 68 7 2 Maintenance intervals 68 7 3 Cleaning the device 69 7 4 Checking the low level protection 69 7 5 Cleaning the air cooled condenser 70 ...

Страница 6: ...igerant and filling quantity 85 11 4 Filling volume and characteristics of the pumps 85 11 5 Heater potential equipment 88 11 6 Potential equipment voltage independent 89 11 7 Line fuse 89 12 Accessories 90 13 General 91 13 1 Copyright 91 13 2 Technical changes 91 13 3 Warranty conditions 91 13 4 Contact LAUDA 91 13 5 Declaration of Conformity 91 13 6 Product Returns and Clearance Declaration 93 1...

Страница 7: ...elevant there are safety fittings for the device These devices are essential for the safety of the device Their functionality must be ensured by carrying out the appropriate maintenance activities The safety fittings of the device are described in this Safety chapter n If relevant there are warning symbols on the device These symbols must always be observed The warning symbols on the device are de...

Страница 8: ...ol Type 2 in accordance with DIN EN 61326 1 Emissions Class B in accordance with CISPR 11 Rest of the world outside EU No limitation This equipment has been tested and found to comply with the limits for Class A digital device pursuant to Part 15 of the FCC Federal Communica tion Commission Rules These limits are designed to provide reasonable protection against harmful interference when the equip...

Страница 9: ... KG and approved for this device n The heat transfer liquids are suitable for a specific temperature range This temperature range must correspond with the temperature range of your application n Hazards caused by high or low temperatures or fire may arise during operation if the heat transfer liquid exceeds or falls below certain tem peratures or if the container ruptures causing a reaction with t...

Страница 10: ...m 5 to 40 C n Transport temperature range from 20 to 43 C 1 12 Personnel qualification Operating personnel Operating personnel are personnel who have been instructed on how to use the device as intended in line with the information in the operating manual Specialized personnel Certain activities on the device must be performed by specialized personnel Specialized personnel are personnel whose educ...

Страница 11: ...tem perature before they can be touched during other operation phases such as servicing 1 15 Structure of warnings n A warning of dangerous indicates an immediately dangerous situation n If this warning is not observed then death or severe irreversible injury could occur DANGER Type and source Consequences of not following instructions Measure 1 Measure n A warning of warning indicates a possibly ...

Страница 12: ...nor reversible injury could occur CAUTION Type and source Consequences of not following instructions Measure 1 Measure A notice warns that dangers to property or the environment may exist NOTICE Type and source Consequences of not following instructions Measure 1 Measure Caution Notice V08 Variocool 12 97 ...

Страница 13: ...y to expect ations immediately inform the shipping company so that a damage report can be compiled and the transport damage inspected Also notify LAUDA Constant Temperature Equip ment Service department immediately You will find the con tact information here Ä Chapter 13 4 Contact LAUDA on page 91 Table 2 Accessories included as standard Device type Designation Quantity Catalogue number VC 1200 W ...

Страница 14: ...ng This indication in the device type denotes water cooled devices n All device types can be equipped at the factory with a heater for heating the heat transfer liquid n Device types without a heater can only be used for cooling n All devices are equipped with a bypass for regulation of the pump pres sure n All devices are designed as floor standing units The devices are equipped with castors with...

Страница 15: ...e with cover 2 Control panel 3 Pressure gauge 4 Mains switch 5 Alarm output and module bays 6 Front panel ventilation openings only in case of air cooled devices 7 Ventilation openings on both sides 8 Four castors front castors with locking brake V08 Variocool 15 97 ...

Страница 16: ...outlet 4 Drain tap 5 Connecting sleeve for water cooling outlet only available for water cooled devices 6 Connecting sleeve for water cooling intake only available for water cooled devices 7 Ventilation grid 8 Rating label 9 Power supply 10 Fuses up to and including VC 3000 W V08 Variocool 16 97 ...

Страница 17: ...ating elements 3 3 1 Mains switch The mains switch can be toggled between the following positions n In position I the device is switched on n In position O the device is switched off The mains switch can be turned to the following positions n In position I the device is switched on n In position O the device is switched off Control panel VC 3000 W and lower VC 5000 W and higher V08 Variocool 17 97...

Страница 18: ...liquid flows through The circuit essentially consists of the following components n Internal expansion bath with heat transfer liquid n Submersible pump for conveying the heat transfer liquid to the external consuming unit via the pump connections n Adjustable bypass with pressure gauge for adjusting the pump pressure to the requirements of the external consuming unit n Cooling coil in the bath bo...

Страница 19: ...in the following sections The equipment connected to the low voltage inputs and low voltage outputs must have safe separation from dangerous to touch voltages according to DIN EN 61140 such as by the use of double or reinforced insulation according to DIN EN 60730 1 or DIN 60950 1 The installation of these additional interface modules is described in these operating instructions Further informatio...

Страница 20: ... maximum of 256 devices at a high signal transmission rate n Pt100 LiBus module catalogue number LRZ 918 An external tem perature probe can be connected to the Pt100 interface of the module The Command remote control can be used with the constant tem perature equipment via the LiBus interface A solenoid valve for cooling water control reverse flow protection or a Through flow cooler can for exampl...

Страница 21: ...XX min The device shows this warning in the display after it has been switched on The time remaining for preheating the compressor until it can be started is displayed The compressor is preheated with its own heater The other components pump and heater are started immediately after the device has been switched from Standby to operation n Outdoor installation has not been configured Displayed warni...

Страница 22: ...gerant low pressure side in the refrigerating machine level 1 Refrigerant ll Designation of the refrigerant used in the refrigerating machine level 2 Filling charge ll Filling charge of the refrigerant in the refrigerating machine level 2 PS high pressure ll Maximum permitted operating pressure at the refrigerant high pressure side in the refrigerating machine level 2 PS low pressure II Maximum pe...

Страница 23: ...on page 8 Operation outdoors for outdoor temperatures below 5 C A warning which states the preheating time of the compressor or that the compressor should be preheated is shown in the display The compressor may suffer increased wear or material damage if it is not preheated You will find further information in Ä Outdoor installation on page 21 Personnel n Operating personnel WARNING Rolling away o...

Страница 24: ...scaping during operation caused by use of unsuitable hoses Scalding cold burns Use hoses with a temperature resistance that is appropriate for the operating temperature range of the device Use hoses with a temperature resistance of at least 100 C for devices with a heater CAUTION Contact with hot or cold hoses Hot and cold burns Use insulated hoses for temperatures below 0 C or above 70 C V08 Vari...

Страница 25: ...KJ 032 EPDM hose with fabric reinforcement 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 Table 4 Hose clips Suitable for hose Clear width Ø in mm Catalogue number RKJ 112 RKJ 031 12 22 EZS 013 RKJ 032 RKJ 033 25 40 EZS 016 4 2 2 Connecting an external consuming unit CAUTION Risk of heat transfer liquid escaping during operation due to open c...

Страница 26: ...Cooling water 4 3 1 Cooling water requirements This section is relevant for n Water cooled devices NOTICE Risk of cooling circuit leaking due to corrosion Device damage Do not use corrosive cooling water Cooling water is subject to specific purity requirements A suitable procedure must be employed to purify the cooling water in line with the contamination in the water and maintain the water qualit...

Страница 27: ...s 4 0 8 5 dH Electrical conductivity 30 500 μS cm Sulfite SO3 2 1 mg L Free chlorine gas Cl2 0 5 mg L Nitrate NO3 100 mg L Ammonia NH3 Not permitted Iron Fe dissolved 0 2 mg L Manganese Mn dissolved 0 05 mg L Aluminum Al dissolved 0 2 mg L Free aggressive carbon dioxide CO2 Not permitted Hydrogen sulfide H2S Not permitted Algae growth Not permitted Suspended matter Not permitted 4 3 2 Connecting t...

Страница 28: ...the cooling water Observe the legal requirements and provisions of the water supply company applicable at the operation site 4 4 Interfaces 4 4 1 Interface potential free contact n The contacts may be loaded with a maximum voltage of 30 V direct current DC and a maximum current of 0 2 A Fig 7 Flange plug front in fault condition View of the flange plug front or into the coupling socket on the sold...

Страница 29: ...xternal temperature sensor n You would like to transmit a signal such as the actual temperature from an external consumer to the circulation chiller n You would like to transmit a signal such as the setpoint temperature to an external device n You would like to use the Command remote control unit DANGER Contact with live parts Electric shock Disconnect the device from the mains power supply before...

Страница 30: ...ol water mixture 30 90 4 50 at 25 C LZB 109 LZB 209 LZB 309 Aqua 90 decalcified water 5 90 1 LZB 120 LZB 220 LZB 320 Note the following for Kryo 30 n The water content is reduced during long operating at higher tempera tures and the mixture becomes flammable flash point 119 C Check the mixture ratio using a hydrometer n The alkaline earth ions content hardness of the water must be between 0 71 mmo...

Страница 31: ...ct the fuse that is immediately higher The use of an excessively high fuse is not permitted Personnel n Specialized personnel The pump of the device types VC 5000 W VC 7000 W and VC 10000 W is driven by a three phase motor The direction of rotation of the power supply must be considered The direction of rotation of the three phase connection must be reversed by swapping 2 phases if the pres sure g...

Страница 32: ... the device to be able to start it again To fill an external consumer press the Standby softkey when there is suffi cient fill level to start the pump The heat transfer liquid now pumped into the external consumer can be refilled immediately If the fill level drops too far the device automatically goes into the standby state and the pump is switched off This process is performed until the device a...

Страница 33: ...p Turn the lever to the left to do this 2 Switch on the device at the mains switch A signal tone is emitted Press the mains switch to Position 1 in the devices VC 3000 W and lower Turn the mains switch to Position 1 in VC 5000 W and higher The menu for selecting the language then appears 3 The window for selecting the menu language is shown on the display Use the up and down arrow buttons to selec...

Страница 34: ...fying the starting mode Auto start on page 54 9 The Home window appears You cannot start the device until you end the Fill mode Operation outdoors for outdoor temperatures below 5 C A warning which states the preheating time of the compressor or that the compressor should be preheated is shown in the display The compressor may suffer increased wear or material damage if it is not preheated You wil...

Страница 35: ...a maximum permissible working pres sure that is less than the maximum pressure of the pump use a pressure relief device for protection This pressure relief device must be installed in the outflow to the applica tion Set the maximum pump pressure as per your application 1 To increase the pressure in the consuming unit turn the bypass adjusting wheel clockwise until the maximum permissible pressure ...

Страница 36: ...ng In the event of a fault devices with 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 operating mode all components of the device are switched off Only the display of the device is supplied with power For example this operating mode is suitable for ma...

Страница 37: ...6 3 Menu structure overview Fig 12 Menu structure part 1 Menu structure for Setpoint Value Setup and Programmer V08 Variocool 37 97 ...

Страница 38: ...Fig 13 Menu structure part 2 Menu structure for Graph Clock and Standby V08 Variocool 38 97 ...

Страница 39: ...ter the device has been switched on The appearance of the Home window is changed by pressing the DISPLAY softkey 1 Overlaid status display 2 Display of the temperatures device regulates to the control variable external Text 3 Soft key bar 1 The pump symbol rotates when the pump is running 2 Level indication 3 A warning is displayed 4 The heater is active and heats with the displayed percentage of ...

Страница 40: ...s the Enter button in the Home window n If you are in a sub menu you can return to the Home window by pressing the left arrow button The main menu and the sub menus consist of menu itemswhich are marked as follows Symbol Description Indicates that other menu levels sub menus are available The padlock symbolizes a blocked function These functions cannot be customized The currently selected entry is...

Страница 41: ...entry window 1 The following options are available n Use the up and down arrow buttons to navigate between the menu items n Press the right arrow button to select a sub menu n Press the left arrow button to return to a previous menu n The selected menu option is marked 6 5 3 Entry window Settings in the display are configured via the entry window Two varieties of entry windows are available Struct...

Страница 42: ...pment is installed on your device n Min and Max indicate the limits of the entered value n Press the OK input button to accept the set value n Press the ESC soft key to return to the previous display without making any changes 6 5 4 Lock and release operating buttons The operating buttons can be locked in order to protect the device when using a process control system or against unauthorized acces...

Страница 43: ...y the temperature range of your application i e the temperature range in which temperature control can take place Personnel n Operating personnel 1 Switch to the main menu 2 Select the menu item Setup Temp limits 3 Select one of the following options n Select the first entry Til to set the lower limit value n Select the second entry Tih to set the upper limit value 4 Customize the value in the fol...

Страница 44: ...de device components such as the pump are switched off The display remains active Personnel n Operating personnel 1 Press the STOP soft key The device is now in Standby mode 2 Press the START soft key to activate the Operation mode 6 9 SmartCool cooling The cooling unit of the constant temperature equipment is operated in the default autom setting Depending on the temperature and operating status ...

Страница 45: ...e set point in this so called two position control A tighter control range causes the cooling unit to switch on and switch off more frequently This has negative impacts on the service life of the refrigeration compressor A low consumer load can therefore result in the temperature stability of 0 05 K or 0 1 K not being achieved The specified temperature stability is always achieved if a heater is u...

Страница 46: ... used to measure the offset n Offset value allows you to enter the value of the offset Personnel n Operating personnel 1 Select the menu item Offset source in the set point offset menu 2 Select one of the following options n You deactivate the set point offset with off n You can select the appropriate source with the other menu items For example you can specify the set point offset via an external...

Страница 47: ...if the control deviation is 2 K for Xp set to 10 K the P part is 20 of the control control deviation In the case of a control deviation of 10 K and more the P part is 100 of the control value Reset time Tn The reset time is decisive for the integral part I part of the control value It specifies the interval in which an existing con trol deviation is integrated The larger Tn is the slower the contr...

Страница 48: ...obable it will be unstable at low temperatures i e it oscillates If for example the operating temperature range of a system is 20 80 C then the controller setting should take place at 10 20 C The picture on the left shows optimum setting of the control parameters If the Xp parameter is selected too large the actual value reaches the proportional range early and the P part becomes smaller than 100 ...

Страница 49: ...nd the setpoint Parameter Tv should be adjusted again using the formula Tv Tn x 0 75 The actual value increases relatively steeply after specification of the set point The proportional range appears to be well adjusted The approach to the setpoint becomes significantly slower for diminishing control deviation The strong reduction of the proportional part P part must be compensated for by the integ...

Страница 50: ...e derived with fixed factors of Tn The temperature limits Tih and Til also have an effect on the control 6 11 4 Adapting internal control parameters Personnel n Operating personnel 1 Select the menu item Control parameter intern Pt1000 in the Control menu 2 Select one of the following options n You can select one of the listed control parameters n Tv manual auto allows you to specify whether the c...

Страница 51: ...external temperature consumer temperature and from these temperatures calculates the set temperature set_internal for the slave controller internal controller n The slave controller compares the set temperature set_internal with the outflow temperature and calculates the actuating signal i e the measurement used for heating or cooling Table 7 The following control parameters can be adapted on the ...

Страница 52: ... The new value has been accepted 6 11 6 Adjusting external control parameters Personnel n Operating personnel 1 Select the menu item Control Parameter extern Pt100 in the Con trol menu 2 Select one of the following options n You can select any of the listed control parameters n With Tv manual auto you can define whether the control param eters Tve Tde and Prop_E are set manually or automatically I...

Страница 53: ...l n Operating personnel 1 Switch to the main menu 2 Select the Setup Basic setup Sounds menu item 3 Select one of the options depending on which sound you wish to adjust 4 Select a volume 5 Press the input button to confirm 6 12 3 Adjusting the display brightness The devices are fitted with a sensor that automatically adapts the display brightness to the ambient brightness Manual adjustment of the...

Страница 54: ...utton to confirm 6 12 4 Specifying the starting mode Auto start The device will not automatically resume operation after a power failure and restoration of the power supply You can set the device to switch to Standby mode after restoration of the power supply Personnel n Operating personnel 1 Switch to the main menu 2 Select the Settings Basic setting Auto start menu item 3 Select one of the follo...

Страница 55: ...12 6 Configuring the alarm level for the fill level A warning about low level of the device is usually output on the device starting from the second level stage However the alarm level before low level can be configured within a specific range Personnel n Operating personnel 1 Switch to the main menu 2 Select the Setup Basic setup Level warn stage menu item 3 You can select from four stages 0 to 3...

Страница 56: ...rm output menu item 3 The following options are available n With Only alarms a signal is only output at the alarm output in the event of device alarms n With Alarms and standby a signal is also output in Standby 4 Press the input button to confirm 6 12 8 Selecting the menu language The menu languages English German French Spanish and Italian are avail able for the device display Personnel n Operat...

Страница 57: ...reference thermometer must be installed in the inlet of the device in accordance with the specifications on the calibration certificate Personnel n Operating personnel 1 Switch to the main menu 2 Select the Setup Calibration Calibration menu item 3 Change the value accordingly The value displayed on the reference thermometer must be entered 4 Press the input button to confirm 6 14 Restoring the fa...

Страница 58: ... item in the parameter list n You can reset the internal and external control parameters with Control parameters n You can reset the settings for the internal sensor with internal Pt1000 n You can reset the set point and maximum current consumption with miscellaneous The control is also set to internal control 3 Select one of the following options in the entry window n You return to the previous d...

Страница 59: ...status menu item You are in the Device status menu 3 The following options are available n Read out error memory n View device data n View software version n View device type n Retrieving serial numbers 6 16 2 Reading the Error store The devices are provided with an Error store for error analysis Up to 140 warning error and alarm messages can be stored here 1 Select the Error store menu item in th...

Страница 60: ...edure in the event of alarms on page 73 6 16 3 Retrieving device data 1 Select the Device data menu item in the Device status menu Various current parameters are displayed 6 16 4 Retrieving the software version Amongst other things the respective software versions are needed for service cases Personnel n Operating personnel 1 Select the SW version menu item in the Device status menu The respective...

Страница 61: ...ent setpoint is stored as the starting value of the first segment The total number of freely programmable segments per program is 150 Up to 5 temperature time programs can be stored Setting Description No Segment number of the program Tend End temperature that should be reached hh Time in hours hh by which the specified tem perature should be reached mm Time in minutes mm by which the specified te...

Страница 62: ...Before table ____ No Tend hh mm Tol Pump S1 S2 S3 Start 30 0 0 0 1 off off off 2 50 0 0 0 20 0 0 off off off 3 70 0 0 0 40 0 0 off off off 4 70 0 0 0 10 0 1 off off off 5 60 0 0 0 30 0 0 off off off 6 30 0 0 0 0 0 0 off off off A new segment with the number 3 was entered in the edited table The time for the segment with number 4 was also changed The tolerance for the segment with number 5 was adju...

Страница 63: ...tual temperature of the tolerance range has been reached 1 will the following segment be processed so that e g the ramp of the second segment will not be started until after a delay of 2 n A tolerance range that has been selected too narrow can also cause undesired delays The tolerance range should not be too narrow partic ularly when external control is used A larger tolerance was entered in segm...

Страница 64: ...ch to the main menu 2 Select the Programmer menu item 3 Select one of the available programs 6 17 3 Create and edit programs Please note the following n If a segment time 999 59 h is included this time must be distributed over several successive segments Personnel n Operating personnel 1 Select the Edit menu item for the selected program 2 You can now edit the segments Fig 58 Selecting the program...

Страница 65: ...f the starting setting or the setting before the program start is maintained 1 The following options are available n You can display additional columns of the program with the right and left arrow buttons n You can navigate in the segments of a program with the up and down arrow buttons n You can edit a selected segment by pressing the Enter button You can customize the value with the up and down ...

Страница 66: ... soft key in the soft key bar in the Home window x represents the currently running program y represents the current program loop 2 The currently running program opens 3 You can now edit the segments of the currently running program Personnel n Operating personnel 1 When you have completed the program you can return to the pro gram overview with the left arrow button 6 17 4 Defining program loops ...

Страница 67: ...5 Starting interrupting and ending a program Personnel n Operating personnel 1 Select the Status menu item for the selected program 2 The following options are available n Select the option Start to start the program n Once the program has started you can press Hold to pause it A paused program can be continued by pressing Continue n Select the option Stop to end the program Fig 63 Setting the num...

Страница 68: ...ot cold device parts accessories and heat transfer liquid Burns scalding cold burns Bring device parts accessories and heat transfer liquid to room temperature before touching them NOTICE Contact with rotating part Severed parts of the body Repairs must only be performed by specialist personnel Also note the following n Before all maintenance work you should ensure that decontamination of the devi...

Страница 69: ...tly damp cloth for cleaning Also note the following n Only clean the control panel with water and detergent Do not use acetone or solvents The consequence would be permanently damage of the plastic surfaces 7 4 Checking the low level protection An alarm signal sounds if the liquid level decreases to the extent that the heater is no longer completely covered with liquid Low Level is shown in the di...

Страница 70: ... personnel 1 Switch off the device 2 Carefully remove the front panel Grasp the front panel at the recess pull it towards you and lift it out of the guide The front panel is held in place by a magnetic catch 3 Brush off or vacuum the condenser 4 Install the front panel again with care 7 6 Cleaning the water filter This section is relevant for n Water cooled devices Fig 65 Removing the front panel ...

Страница 71: ...perating personnel 1 Switch off the device at the mains switch 2 Dissolve the descaler in a bucket of water LAUDA descaler is required for the descaling process cat alog number LZB 126 5 kg pack Read the safety infor mation and instructions on the packaging before using the chemicals 3 Unscrew the cooling water hose from the threaded connection of the water cooling intake 4 Remove and clean the wa...

Страница 72: ... con denser 9 Rinse the cooling water circuit of the device thoroughly with clean water Allow a minimum of 10 liters of water to flow through the system 10 Reconnect the device to the cooling water supply 7 8 Check the heat transfer liquid Contaminated or diluted heat transfer liquid must be replaced Continued use of the heat transfer liquid is only permitted following successful testing The heat ...

Страница 73: ...s power switch If the error occurs again after restarting the device note the error code and the associated description and contact LAUDA Constant Temperature Equipment service Contact details can be found in Ä Chapter 13 4 Con tact LAUDA on page 91 Errors are displayed with the appropriate description and an error code in the form of a consecutive number 8 2 Alarm codes Code English output Descri...

Страница 74: ...lock the display with the Enter button The device restarts 8 4 Overtemperature alarm If the temperature exceeds 90 C 3 overtemperature alarm is triggered and a two tone acoustic signal sounds The heaters cooling system and pump are switched off as a result of this alarm 1 Switch off the device 2 Allow the device to cool down 20 minutes 3 Switch on the device 4 Press the OK key to acknowledge the a...

Страница 75: ... unit Command too old 013 SW Cool too old Software version of cooling module too old 014 SW Analogue too old Software version of analogue module too old 015 SW Serial too old Software version of serial interface RS 232 too old 016 SW Contact old Software version of contact module too old 017 SW Valve 0 old Software version of solenoid valve 0 too old 018 SW Valve 1 old Software version of solenoid...

Страница 76: ...ng table Code English output Description 101 CAN receive overflow Overflow during CAN reception 102 Watchdog Reset Watchdog reset 103 Heating not correct Heaters have different outputs 104 Heat 1 failed Heater 1 defective 105 Heat 2 failed Heater 2 defective 106 Heat 3 failed Heater 3 defective 107 Invalid Parameter Inadmissible parameter in memory 108 CAN system Problem during internal data excha...

Страница 77: ...ings of the SmartCool system start with the prefix 3 The prefix is followed by two additional numbers These numbers are listed in the following table Code English output Description 301 CAN receive overflow Overflow during CAN reception 302 Watchdog reset Watchdog reset 303 Missing SM adaptation Adaptation run not performed 304 Pressure switch activated Pressure switch in schema cooling circuit wa...

Страница 78: ...tware version of pump 3 too old 326 SW HTC old Software version of high temperature cooler too old 327 SW Ext Pt100 old Software version of external Pt100 too old 328 SW Ethernet old Software version of Ethernet module too old 329 SW EtherCAT old Software version of EtherCAT too old 341 sm0 min too small Starting value of injection valve too low 344 chiller missing Refrigerant unit does not run 34...

Страница 79: ... right for this 9 2 Draining the condenser This section is relevant for n Water cooled devices Personnel n Operating personnel 1 Bring the device to a temperature of approx 20 C Switch the device off 2 Close the cooling water intake 3 Unscrew the cooling water hose from the threaded connection of the water cooling intake 4 A water filter is located in the water cooling intake nozzle Carefully remo...

Страница 80: ... device to 10 C 8 Blow compressed air into the water inlet immediately after starting the compressor Continue blowing compressed air through the device until all the cooling water has flowed out of the device 9 Switch off the device V08 Variocool 80 97 ...

Страница 81: ...t that is still pressurized Only specialized personnel are permitted to perform dis posal work The type and refrigerant charge are printed on the rating label Have repair and disposal carried out only by a refrigeration technician 10 2 Device disposal The following applies for EU member states The device must be disposed of according to Directive 2012 19 EU WEEE Waste of Electrical and Elec tronic...

Страница 82: ...xels Resolution of indication 0 01 C Resolution of setting 0 01 C Table 13 Device Working tem perature range without a heater Working tem perature range with a heater Temperature sta bility1 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 57 VC 2000 W 20 40 20 80 0 05 450...

Страница 83: ...igher in the devices VC 1200 W and VC 2000 W which have a more powerful pump Table 14 Air cooled devices Device Free space around the device Exhaust air air cooled devices cm front back right left m h VC 1200 20 20 20 20 650 VC 2000 20 20 20 20 650 VC 3000 50 50 20 20 1300 VC 5000 50 50 20 20 2500 VC 7000 50 50 20 20 4500 VC 10000 50 50 20 20 4500 Table 15 Water cooled devices Device Free space ar...

Страница 84: ...C 1200 W 1 20 1 00 0 70 0 40 0 14 VC 2000 W 2 00 1 50 1 06 0 68 0 38 VC 3000 W 3 00 2 40 1 68 0 95 0 45 VC 5000 W 5 00 3 90 2 75 1 70 0 90 VC 7000 W 7 00 5 30 3 70 2 40 1 30 VC 10000 W 10 00 7 60 5 30 3 50 2 00 The cooling output is measured when the heat transfer liquid rea ches a certain temperature These temperature values are specified in brackets The ambient temperature for the measurement is...

Страница 85: ...ight kg 0 95 1 10 0 95 1 10 GWP 100a 1397 1397 1397 1397 CO2 equivalent t 1 33 1 54 1 33 1 54 Table 21 Unit VC 7000 VC 10000 VC 7000 W VC 10000 W Refrigerant R 452A R 452A R 452A 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 CO2 comparison 1 0 Time frame 100 years according to IPCC IV 11 4 Filling vol...

Страница 86: ...20 V 60 Hz 0 9 bar 28 L min 3 2 bar 37 L min 4 8 bar 37 L min 0 9 bar 28 L min 3 2 bar 37 L min 4 8 bar 37 L min 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 min 3 2 bar 37 L min 4 8 bar 37 L min 5 0 bar 60 L min 3 2 bar 37 L min 4 8 bar 37 L m...

Страница 87: ...Fig 71 Characteristic curves of the pumps Fig 72 Characteristic curves of the pumps Characteristic curves of the pumps V08 Variocool 87 97 ...

Страница 88: ...ble 25 Heating power and power consumption Three phase current VC 5000 W VC 7000 W VC 10000 W Unit 400 V 3 N PE 50 Hz Heating output 4 5 4 5 7 5 kW Power consumption with a heater 7 8 8 8 11 1 kW 208 220 V 3 PE 60 Hz Heating output 3 65 4 1 3 65 4 1 6 1 6 9 kW Power consumption with a heater 4 5 5 7 7 7 kW 200 V 3 PE 50 60 Hz Heating output 3 4 3 4 5 7 kW Power consumption with a heater 4 3 5 4 7 ...

Страница 89: ... 1200 W 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 T16 A Three phase current VC 5000 W VC 7000 W VC 10000 W 400 V 3 N PE 50 Hz T16 A T16 A T16 A with heater T16 A T16 A T16 A 208 220 V 3 PE 60 Hz T16 A T20 A T25 A with heater T16 A T20 A T25 ...

Страница 90: ... only functional in combination with LRZ 918 LRT 927 Table 29 Connecting plug Accessories Catalogue number External temperature probe with connector and shielded connection cable ETP 059 6 pin coupling connector for analogue inputs outputs EQS 057 9 pin connecting plug SUB D EQM 042 RS 232 cable length 2 m for PC EKS 037 RS 232 cable length 5 m for PC EKS 057 3 pin coupling connector for contact i...

Страница 91: ... brand names of the respective companies used in the manual are generally subject to trademark brand and patent protection 13 2 Technical changes The manufacturer reserves the right to make technical modifications to the device 13 3 Warranty conditions LAUDA grants a standard warranty of one year 13 4 Contact LAUDA Contact the LAUDA Service department in the following cases n Troubleshooting n Tec...

Страница 92: ...U RoHS Directive 2011 65 EU In connection with EU 2015 863 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 covered by the Machinery Directive The protective objectives of the Machinery Directive with regard to electrical safety are complied with in accordance with Annex I Paragraph 1 5 1 in conformit...

Страница 93: ...ipment with the RMA number Please 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 explanations The customer operator hereby confirms that the product returned under the above mentioned RMA number has been carefully emptied and cleaned that any connections have...

Страница 94: ...liquid 72 Low Level 70 Cleaning 69 CO2 equivalent 85 Code Alarms 73 Warnings control system 75 Warnings safety system 76 Warnings SmartCool 77 Condenser 19 Consumer connect 26 Contact 91 Control Warnings 75 Control menu 49 Control parameter Defining correction limitation 52 External overview 52 Control parameters Access 49 Adjusting external 52 Adjusting internal 51 Internal overview 50 Cooling un...

Страница 95: ...ater cooled 80 Device 79 Draining nozzle position 17 E EMC 8 Entry window Inputting value 42 Selecting options 42 Structure 42 Error 73 Read out memory 60 Errors 73 Establishing power supply 31 Evaporator 19 Expanded status display display 40 External consuming unit connect 26 External control Activating 46 Specifying the set point offset 46 F Factory Setting Restore 58 59 Factory settings interna...

Страница 96: ...verview 10 Personnel qualification overview 10 Placement device 23 Placement site 23 Pressure gauge 18 Program Access 64 Create 65 Defining loops 67 Defining repetitions 67 Edit 65 Editing 65 End 67 Example 61 Interrupt 67 Segment 65 Select 64 Start 67 Prop_E 52 Proportional range 50 52 Protective equipment personal overview 10 Pump Connection socket position 17 Pump characteristic curve 88 R Read...

Страница 97: ...menu Access 41 Navigation 41 Switching on 39 T Td 50 Tde 52 Technical data Pump characteristic curve 88 Technical Data Flow pressure 86 Flow rate 86 Three phase motor Direction of rotation 31 Tih 43 Til 43 Tn 50 Tne 52 Tolerance range 61 Tv 50 Tve 52 Type plate position 17 U Unpacking 13 V Version software 60 W Warning Control system 75 Safety system 76 SmartCool 77 Warnings 73 Warranty 91 Water c...

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Страница 100: ...LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Germany Telephone 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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