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5.4

Switching on the device

WARNING!

Overheating of the pump

Device damage



Never operate device without heat transfer liquid.

Personnel:



Operating personnel

Switch on the device using the mains power switch.



A signal tone sounds. The actual temperature is shown

on the display. The pump is started. The refrigeration unit

is started after approx. 2 minutes. The blue LED lights if

the refrigeration unit is active.

Depending on the size of the consumer, heat transfer liquid

must be refilled if necessary. Monitor the level indicator for

this.

Further information about refilling heat transfer

liquid can be found in

Chapter 5.5 ‘Refilling

heat transfer liquid’ on page 35

5.5

Refilling heat transfer liquid

Personnel:



Operating personnel

Protective equipment:



Protective goggles



Protective clothing



Protective gloves

DANGER!

Use of incorrect heat transfer liquid

Fire



Select a heat transfer liquid with a temperature

range 20 K above the temperature range of the

application.

Commissioning

Microcool

Содержание MC 1200

Страница 1: ...Operating instructions The right temperature worldwide Microcool MC 250 MC 600 MC 1200 MC 1200 W Circulation chiller ...

Страница 2: ...ating instructions LAUDA DR R WOBSER GMBH CO KG Postfach 1251 97922 Lauda Königshofen Germany Phone 49 0 9343 503 0 Fax 49 0 9343 503 222 E Mail info lauda de Internet www lauda de YAWE0033 V02REV60 10 02 2 2014 LAUDA 2013 Microcool 2 ...

Страница 3: ...types 12 3 2 Design of the circulation chiller 13 3 3 Controls 17 3 3 1 Mains power switch 17 3 3 2 Display buttons 18 3 4 Function elements 19 3 4 1 LEDs for function display 19 3 4 2 Hydraulic circuit 19 3 4 3 Manometer 20 3 4 4 Level indicator 20 3 4 5 Refrigeration unit 20 3 4 6 Interfaces 21 3 5 Rating plate 22 3 6 Serial number 22 4 Before commissioning 23 4 1 EMC classification 23 4 2 Devic...

Страница 4: ... 5 Restricting temperature limit values 41 6 6 Configuring timer 42 6 7 RS232 interface 44 6 7 1 Configuring RS232 interface 44 6 7 2 Protocol 45 6 7 3 Write commands 46 6 7 4 Read commands 46 6 7 5 Error messages 47 6 8 Configuring alarm output 47 6 9 Inputting offset of the temperature sensor 48 6 10 Restoring the factory settings 49 7 Maintenance 50 7 1 General safety instructions 50 7 2 Mainte...

Страница 5: ...posing of refrigerant 59 10 2 Device disposal 59 10 3 Disposing of packaging 59 11 Technical data 60 11 1 General data 60 11 2 Refrigeration unit 61 11 3 Hydraulic circuit 62 11 4 Voltage dependent data 62 12 General 63 12 1 Copyright 63 12 2 Technical changes 63 12 3 LAUDA contact 63 12 4 EC conformity 63 13 Index 65 Table of contents Microcool 5 ...

Страница 6: ...rds are reduced using any of the following measures If relevant there are safety devices for the device These devices are essential for the safety of the device Their func tionality must be ensured with appropriate maintenance activi ties The safety devices of the device are described in this Safety chapter If relevant there are warning symbols on the device These symbols must always be observed T...

Страница 7: ...acement of the device on a tabletop surface only permitted for MC 600 and MC 1200 W Setting an incorrect pump pressure 1 4 Modifications to the device Any technical modifications to the machine are prohibited Service works may be carried out only by the LAUDA Constant Tem perature Devices service or one of the service partners authorized by LAUDA 1 5 Heat transfer liquid The device is exclusively ...

Страница 8: ...t transfer liquid are made of high quality materials suitable for the operating temperature Stainless steel and temperature resistant plastics are used 1 7 Hoses Only LAUDA hoses are permitted to be used for the external hydraulics circuit LAUDA hoses are hoses that are approved by LAUDA DR R WOBSER GMBH CO KG When selecting suit able hoses for the application the permissible temperature range and...

Страница 9: ... certain activities These protec tive goggles must comply with the legal requirements for personal protective equipment of the European Union 1 11 Structure of safety instructions A safety instruction of the type Danger indicates an immedi ately hazardous situation This results in death or severe irreversible injuries if the safety instruction is disregarded DANGER Type and source Consequences in ...

Страница 10: ...ble injuries if the safety instruction is disregarded CAUTION Type and source Consequences in the case of non compliance Measure 1 Measure A notice warns about possible property or environmental damage NOTICE Type and source Consequences in the case of non compliance Measure 1 Measure Caution Notice Safety Microcool 10 ...

Страница 11: ...ly after delivery for completeness and transport damage If there is unexpected damage to 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 Constant Temperature Equipment Service immediately Contact details can be found in Ä Chapter 12 3 LAUDA contact on page 63 Accessories included as stand...

Страница 12: ...0 Air cooled tabletop device with a cooling capacity of 250 watts MC 600 Air cooled floor standing device with a cooling capacity of 600 watts The pump pressure can be adjusted using a bypass adjustment wheel MC 1200 Air cooled floor standing device with a cooling capacity of 1200 watts The pump pressure can be adjusted using a bypass adjustment wheel MC 1200 W Water cooled floor standing device w...

Страница 13: ...r side 1 Pump connection outlet 2 Overflow connection 3 Pump connection return 4 Rating plate 5 Drain plug 6 RS232 interface 7 Alarm output 8 Mains cable 9 Ventilation openings Rear side MC 250 Design and function Microcool 14 ...

Страница 14: ...rculation chiller Fig 1 Overview of the front side 1 Filler nozzle with cover 2 Level indicator 3 Control panel 4 Front panel with ventilation openings 5 Four support feet Front side MC 250 Design and function Microcool 13 ...

Страница 15: ...e front side 1 Filler nozzle with cover 2 Control panel 3 Level indicator 4 Manometer 5 Front panel with ventilation openings 6 Four castors with locking brakes Front side MC 600 MC 1200 W Design and function Microcool 15 ...

Страница 16: ...ection outlet 2 Bypass adjustment wheel 3 Pump connection return 4 Overflow connection 5 Rating plate 6 Drain plug 7 RS232 interface 8 Alarm output 9 Mains cable 10 Ventilation openings Rear side MC 600 MC 1200 W Design and function Microcool 16 ...

Страница 17: ...tons 4 Mains power switch 3 3 Controls 3 3 1 Mains power switch The mains power switch can be put in the following positions In position I the device is switched on In position O the device is switched off Control panel Design and function Microcool 17 ...

Страница 18: ...ton 3 DOWN arrow button Functions in the display of the device can be controlled using the display buttons A selection in the display can be confirmed with the ENTER button The UP and DOWN arrow buttons can be used to navigate in the display Design and function Microcool 18 ...

Страница 19: ...hts in the event of device faults 3 4 2 Hydraulic circuit The hydraulic circuit designates the circuit through which the heat transfer liquid flows The circuit basically consists of the following components internal storage bath with heat transfer liquid pump for conveying the heat transfer liquid into the external consumer via the pump connections Starting with MC 600 devices are equipped with an...

Страница 20: ...e is regulated using the bypass adjustment wheel on the rear side 3 4 4 Level indicator The fill level of the heat transfer liquid in the circuit can be read using the level indicator The top arrow indicates the maximum liquid level of the machine The bottom arrow indicates the minimum liquid level of the machine Fig 9 Level indicator 1 Maximum level 2 Minimum level 3 4 5 Refrigeration unit The re...

Страница 21: ...on for the refrigeration unit can be found in Ä on page 61 3 4 6 Interfaces Note the following The equipment connected to the low voltage inputs and out puts must have safe separation from dangerous voltages according to DIN EN 61140 such as by double or reinforced insulation according to DIN EN 60730 1 or DIN 60950 1 Specific functions of the device such as the setpoint temperature can be control...

Страница 22: ...on the refrigerant low pressure side expansion evaporation Voltage Device must only be connected to this voltage and frequency Power consumption Power consumption of the device during operation Protection class IP protection class of the device Fuse Fuse used in the device Class according to DIN 12876 1 German standard for electrical laboratory equipment 3 6 Serial number The serial number of a LA...

Страница 23: ... been tested and found to comply with the limits for Class A digital device pursuant to Part 15 of the FCC Federal Communication Commission Rules These limits are designed to provide reasonable protection against harmful interfer ence when the equipment is operated in a commercial environ ment This equipment generates uses and can radiate radio fre quency energy and if not installed and used in ac...

Страница 24: ...s can be found in Ä Chapter 4 1 EMC classification on page 23 WARNING Rolling away falling over of the device Impact crushing Do not tilt the device Place the device on a level non slip surface with sufficient load bearing capacity Engage the castor brake when setting up the device Do not place any heavy parts on the device 1 Place the device at a suitable location in the room Place tabletop devic...

Страница 25: ...ormation about the pump connections of the individual devices can be found in Ä Chapter 11 3 Hydraulic circuit on page 62 Hoses not insulated Type Olive Application area Internal Ø in mm External diameter in mm Tem perature range in C Cata logue number EPDM hose 10 mm Devices with max imum pump pressure of 1 bar 9 11 35 90 RKJ 111 EPDM hose 13 mm Devices with max imum pump pressure of 1 bar 12 14 ...

Страница 26: ...talogue number Max temperature in C Internal Ø in mm External diameter in mm Suitable for hose RKJ 058 105 19 54 RKJ 112 RKJ 024 125 16 36 RKJ 112 RKJ 009 105 23 43 RKJ 031 RKJ 013 125 29 50 RKJ 032 Adapters suitable for MC 600 and MC 1200 W Designation Description Catalogue number Olive union nut olive LWZ 016 Olive union nut 10 mm olive LWZ 040 Hose clamps Material Ø from to in mm Catalogue numb...

Страница 27: ...all a tem perature drop between device and external consumer occurs due to flow rate too low In this case increase or lower the tem perature accordingly Secure the temperature control hoses with hose clamps If the external consumer is at a higher level than the device emptying of the external volume can occur if the pump is stopped and there is ingress of air in the external liquid circuit even fo...

Страница 28: ...g water circuit Water containing iron and iron particles in the water result in rust formation in the cooling water circuit Hard water is not suitable for cooling due to the high lime con tent and results in calcification in the cooling water circuit Cooling water with suspended matter is not suitable Untreated not purified water e g river or cooling tower water is not suitable due to its microbio...

Страница 29: ...the sink area to prevent uncontrolled sliding also in the event of pres sure surges Fix the supply hose of the water cooling in place in the sink area so that spraying out of hot cooling water is not possible Prevent kinking or squeezing of the hoses We recommend using a leak detector with water shut off to prevent damage due to cooling water system leaks Ensure that the cooling water meets the re...

Страница 30: ...the PC using a straight through cable Without hardware handshake Set the corresponding operating mode on the PC Use shielded connection cables Connect shield to connector case The cables must be galvanically iso lated from the rest of the electronics Do not connect unas signed pins The RS232 interface can be easily checked on a connected PC with the Microsoft Windows operating system Using the Hyp...

Страница 31: ...is in GO state immediately after switching on and during normal operation without faults Pins 1 and 2 are closed Pins 3 and 2 are open Note the following The equipment connected to the low voltage inputs and out puts must have safe separation from dangerous voltages according to DIN EN 61140 such as by double or reinforced insulation according to DIN EN 60730 1 or DIN 60950 1 Only use shielded con...

Страница 32: ... temperature Container size Catalogue number 5 l 10 l 20 l Kryo 30 Mono eth ylene glycol water 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 The water content reduces during long operating with higher temperatures and the mixture becomes flammable flame point 128 C Check the mixture ratio using a hydrometer The al...

Страница 33: ...ge of the application WARNING Overflow of heat transfer liquid Electric shock Ensure that the device is not overfilled Note the level indicator and the thermal volume expansion of the heat transfer liquid WARNING Spraying of heat transfer liquid Electric shock Avoid spraying heat transfer liquid Use a funnel for filling 1 Close the drain plug For this turn the plug clockwise as far as the stop 2 A...

Страница 34: ...he filler nozzle carefully Mon itor the level indicator Fill the device up to the maximum fill level If necessary use a funnel for the filling The level indicator must not be above the max imum fill level 6 Press the cover carefully into the filler nozzle 5 3 Establishing power supply Personnel Operating personnel NOTICE Use of unauthorised mains voltage or mains fre quency Device damage Compare t...

Страница 35: ...it is active 2 Depending on the size of the consumer heat transfer liquid must be refilled if necessary Monitor the level indicator for this Further information about refilling heat transfer liquid can be found in Ä Chapter 5 5 Refilling heat transfer liquid on page 35 5 5 Refilling heat transfer liquid Personnel Operating personnel Protective equipment Protective goggles Protective clothing Prote...

Страница 36: ...Mon itor the level indicator If necessary use a funnel for the filling The level indicator must not be above the max imum fill level The level indicator must be above the minimum level Otherwise a warning is output and the device is switched off with an alarm after approx 5 minutes 4 Press the cover carefully into the filler nozzle 5 6 Setting pump pressure For devices with bypass starting from MC...

Страница 37: ...e pump use a safety valve for protection This safety valve must be installed in the outlet of the device 1 To reduce the pump pressure turn the bypass adjustment wheel anticlockwise until the maximum permitted pressure for the external consumer is reached Monitor the display on the manometer for this 2 To increase the pump pressure turn the bypass adjustment wheel clockwise until the required pres...

Страница 38: ...at transfer liquid can be found in Ä Chapter 5 5 Refilling heat transfer liquid on page 35 6 2 Default display and menu items 1 Press the ENTER button to reach the menu items from the default display of the actual temperature If no button has been pressed for longer than 4 seconds you exit from the menu item or input window 2 Scroll from menu item to menu item using the arrow buttons 3 Press the E...

Страница 39: ...Fig 12 Menu Operation Microcool 39 ...

Страница 40: ...erature range of your application i e in which range any temperature control can take place A warning is output by the device if the temperature is outside the limits This range is necessary so that no unnecessary warnings are output during transient conditions of the temperature regulation The default values can be limited subsequently depending on the heat transfer liquid For operation of the de...

Страница 41: ...settings of 45 0 C and 5 0 C stored in the device cannot be changed Practical temperature limit values are Aqua 90 Set the range to the values 42 C and 3 Kryo 30 water glycol Set the range to the values 42 C and 12 By adjusting the temperature limit values the configu rable setpoint range is automatically limited to as 2 C below the upper temperature limit and 2 C above the lower temperature limit...

Страница 42: ... the current actual tem perature on the display is shown with a flashing decimal point If Auto Shut Down is invoked using the corresponding menu item the remaining time for example 05 30 is shown flashing If Auto Shut Down is deactivated 00 00 is shown flashing Once the time for Auto Shut Down has elapsed the device is not switched off completely but switched to standby Standby means all component...

Страница 43: ... again afterwards after a specified time Otherwise you can start the device manually by pressing the ENTER button CAUTION Automatic device start using the auto start timer Frostbite risk of injury device damage Before using the auto start timer ensure that all preparations for the intended use have been made 1 Select the menu item for specifying the Auto Start 2 Confirm with the ENTER button 3 Spe...

Страница 44: ...on 1 Select the menu item for the Auto Shut Down or Auto Start 2 Input 00 00 3 Confirm with the ENTER button The value must be confirmed within 4 seconds after the last input Otherwise the screen returns to the default display If the device has been switched to standby using Auto Shut Down and no Auto Start is configured the device can be switched on again manually 1 Press the ENTER button to swit...

Страница 45: ...wing The interface operates with 1 stop bit no parity bit and 8 data bits Selectable transmission speed 2400 4800 9600 factory set ting or 19200 baud The RS232 interface can be operated with or without hardware handshake RTS CTS The command from the computer must be terminated with CR CRLF or LFCR CR Carriage Return hex 0D LF Line Feed hex 0A The response from the thermostat is always terminated w...

Страница 46: ...aracter is also permitted Response from the thermostat OK or ERR_X in the case of an error XXX XX XXX X XXX XXX XXX XX XXX X XXX XXX XX XX XX X XX XX XX XX XX X XX XX X XX X X X X X XX X X X X XX X XX X 6 7 4 Read commands The following read commands are data requests to the thermostat Command Meaning IN_PV_00 Query of the bath temperature outlet temperature IN_SP_00 Query of the temperature setpo...

Страница 47: ...ed decimal format XXX XX or XXX XX for neg ative values or ERR_X 6 7 5 Error messages The error messages of the modules are described in the following Error Description ERR_2 Incorrect input e g buffer over flow ERR_3 Incorrect command ERR_5 Syntax error in the value ERR_6 Impermissible value ERR_32 The upper temperature limit is less than or equal to the lower temperature limit 6 8 Configuring al...

Страница 48: ...y calibration If any temperature difference is discovered when checking the device with a reference thermometer the offset additive part of the characteristic curve of the internal measurement chain can be adjusted using the CAL menu item A calibrated reference thermometer e g from the LAUDA DigiCal series with the required degree of accuracy is required Otherwise the factory calibration should no...

Страница 49: ...ture limit values is reset to 45 C and 5 C The timers are reset to 00 00 The signal output at the alarm output is reset to alarms and faults The baud rate is reset to 9600 baud Personnel Operating personnel 1 Select the menu item dEF for restoring the factory settings 2 Confirm with the ENTER button 3 Keep the ENTER button pressed for approx 3 seconds after wards The display shows donE The factory...

Страница 50: ...sfer liquid are at room temperature before touching them NOTICE Contact with rotating part Severed parts of the body Repairs must only be performed by specialist per sonnel Also note the following Before all maintenance work you should ensure that decon tamination of the device has been performed if it came into contact with hazardous materials 7 2 Maintenance intervals The maintenance intervals d...

Страница 51: ...er liquid 7 3 Cleaning the device Personnel Operating personnel WARNING Ingress of cleaning agents in the device Electric shock Use a moist cloth for cleaning Also note the following Only clean the control panel with water and detergent Do not use acetone or solvents The consequence would be perma nent damage of the plastic surfaces 7 4 Cleaning air cooled condenser Personnel Operating personnel 1...

Страница 52: ...dingly The descaling agent should be fed to the water cooling using a pump or a funnel through the supply hose The descaling agent return flow should be via flow hose of the water cooling into a container with sufficient capacity at least 10 litres LAUDA descaling agent catalogue number LZB 126 5 kg packaging is required for decalcifica tion Read the safety instructions and the instruc tions for u...

Страница 53: ...it thor oughly Allow at least 10 litres of water to flow through the device 7 7 Checking the heat transfer liquid Soiled or degenerated heat transfer liquid must be replaced Fur ther use of the heat transfer liquid is only permitted with appro priate test results The heat transfer liquid must be checked according to DIN 51529 Maintenance Microcool 53 ...

Страница 54: ... warnings can be found in Ä Chapter 8 3 Warnings over view on page 55 A two tone signal is output if any error occurs The red LED on the device also lights In 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 contact LAUDA Service Constant Temperature Equipment Contact details can be found in Ä Chapter...

Страница 55: ...r than 75 C 8 3 Warnings overview Warnings are not relevant for safety The device continues running A continuous tone is output for a short time by the device Warn ings are output periodically You are therefore reminded in the event of an existing fault Indication on the display Description In the event of a Low Level warning the fill level of the heat transfer liquid is below the minimum limit Th...

Страница 56: ...Indication on the display Description NTC sensor break NTC short circuit Faults Microcool 56 ...

Страница 57: ... from the device when the drain plug is opened 4 Open the drain plug Turn anticlockwise for this 9 2 Draining condenser only water cooled devices Personnel Operating personnel 1 Bring the device to room temperature if required and switch off the device 2 Unscrew the water hose from the supply nozzle of the device 3 Remove the water filter from the threaded connection Clean the water filter and the...

Страница 58: ...witching on the device blow compressed air through the supply nozzle into the device Continue blowing compressed air through the device until all the water has flowed out of the device Decommissioning Microcool 58 ...

Страница 59: ... decommissioning is only permitted by a spe cialist Refrigerant GWP 100a R134a 1430 Global Warming Potential GWP time horizon 100 years according to IPCC IV 2007 Comparisons CO2 1 0 Type and fill quantity of the refrigerant can be seen on the rating plate 10 2 Device disposal The device must be disposed of according to EC Directive 2002 96 EC 10 3 Disposing of packaging The packaging must be dispo...

Страница 60: ... by up to 50 Ambient temperature range 5 40 C IP degree of protection IP 32 Contamination level 2 Clearance from surroundings front and rear sides 40 cm Overvoltage Overvoltage category II and transient surge vol tages according to category II Protection class for electrical oper ating equipment DIN EN 61 140 VDE 0140 1 1 Classification according to DIN 12 876 1 class designation identification I ...

Страница 61: ...oling capacity 10 C Refrigerant kW kW kW kW MC 250 0 23 0 2 0 15 0 09 R134a MC 600 0 6 0 5 0 36 0 15 R134a MC 1200 1 15 1 05 0 75 0 4 R134a MC 1200 W 1 15 1 05 0 75 0 4 R134a The cooling capacity is measured for a specified temper ature of the heat transfer liquid Information is provided in brackets The ambient temperature for the measure ment is 20 C ethanol was used as heat transfer liquid The c...

Страница 62: ...e 16 mm 12 MC 1200 7 14 35 1 3 G 15 olive G Olive 16 mm 12 MC 1200 W 7 14 35 1 3 G 15 olive G Olive 16 mm 12 11 4 Voltage dependent data Power consumption MC 250 MC 600 MC 1200 MC 1200 W kW kW kW kW 230 V 50 Hz 0 23 0 7 1 15 1 2 Catalogue numbers MC 250 MC 600 MC 1200 MC 1200 W 230 V 50 Hz LWM 118 LWM 120 LWM 121 LWM 122 220 V 60 Hz LWM 218 LWM 220 LWM 221 LWM 222 115 V 60 Hz LWM 418 LWM 420 LWM 4...

Страница 63: ...ubject to change 12 3 LAUDA contact Contact LAUDA Service Constant Temperature Equipment in the following cases In the event of faults on the device For technical questions about the device For spare part orders Contact our Sales Department for application specific questions LAUDA Service Constant Temperature Equipment Telephone 49 0 9343 503 372 Fax 49 0 9343 503 283 E Mail service lauda de 12 4 ...

Страница 64: ...essure Equip ment Directive 97 23 EC as the device is classified in the area of Article 3 3 The requirements from the above mentioned Directives are thus sufficiently met for the pressure relevant hazards of the device General Microcool 64 ...

Страница 65: ...Disposal refrigerant 59 Draining 57 Draining the condenser water cooled 57 Filling 33 Placement 24 Unpacking 11 Display buttons Operation 18 Disposal Packaging 59 Refrigerant 59 Disposing of refrigerant 59 DM water 32 Draining Condenser water cooled 57 Device 57 E EC conformity 63 EMC classification 23 ENTER button position 18 Error Description 54 Establishing power supply 34 External consumer Con...

Страница 66: ...rflow hose 33 P Packaging Disposal 59 Personal protective equipment overview 9 Personnel qualification overview 8 Placement device 24 Placement location 24 Protective equipment personal overview 9 R Rating plate 13 22 S Safety instruction General 6 Service LAUDA Temperature Equipment 63 Specifying limit values temperature 41 Specifying temperature limit values 41 Specifying the setpoint 40 Specify...

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Страница 68: ......

Страница 69: ... LAUDA voir plaque signalétique Typ Type Type Serien Nr Serial no No de série mit folgendem Medium betrieben wurde was used with the below mentioned media a été utilisé avec le liquide suivant Darüber hinaus bestätigen wir daß das oben aufgeführte Gerät sorgfältig gereinigt wurde die Anschlüsse verschlossen sind und sich weder giftige aggressive radioaktive noch andere gefährliche Medien in dem Ge...

Страница 70: ......

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Страница 72: ...LAUDA DR R WOBSER GMBH CO KG Postfach 1251 97922 Lauda Königshofen Germany Phone 49 0 9343 503 0 Fax 49 0 9343 503 222 E Mail info lauda de Internet www lauda de ...

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