Lauda RA 12 Скачать руководство пользователя

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Alpha

7/2022

Maintenance

8.1

Cleaning



Before cleaning the unit, pull out the mains plug!

The unit can be cleaned with water adding a few drops of detergent (washing up liquid), using a moist cloth.



Water/ heat transfer liquid must not enter the control unit!





Carry out appropriate detoxification if dangerous material has been spilled on or inside the unit.



Method of cleaning and detoxification are decided by the special knowledge of the user. In case of
doubt please contact the manufacturer.

8.2

Maintenance



Before any maintenance and repair work pull out the mains plug!



Repairs on the control unit must only be carried out by properly qualified personnel!

If the heat transfer liquid becomes contaminated, it has to be replaced.

8.2.1

Service intervals

System part

Frequency

Comment

Each time of putting into operation and then

Complete device

External condition of the device

Monthly

Heat transfer liquid

Test of the heat transfer liquid

(



8.2.2)

Heat transfer system

Sealing

Daily

External visual inspection

External hoses

Material fatigue

Monthly

External visual inspection

Cooling unit

Condenser cleaning

(



8.2.3)

Cooling thermostat

Electronics

Over temperature protection

(



7.11.3)

Low level protection testing

(



7.11.3)

Содержание RA 12

Страница 1: ...Operating instructions Alpha Immersion Thermostat A Heating Thermostats A 6 A 12 A 24 Cooling Thermostats RA 8 RA 12 RA 24 Read the instructions prior to performing any task...

Страница 2: ...1 97922 Lauda K nigshofen Germany Telephone 49 0 9343 503 0 Fax 49 0 9343 503 222 E mail info lauda de Internet http www lauda de Q4WA E_13 004 EN English Translation of the original operating instru...

Страница 3: ...t sufficient water or heat transfer liquid level Do not start up the equipment if it is damaged or leaking the supply cable is damaged Switch off the equipment and pull out the mains plug for servicin...

Страница 4: ...SETTING UP 18 6 2 FILLING AND EMPTYING 21 6 3 HEAT TRANSFER LIQUIDS AND HOSES 22 6 4 CONNECTION OF EXTERNAL CIRCUITS 24 7 STARTING UP 25 7 1 CONNECTION TO THE SUPPLY 25 7 2 SWITCHING ON 25 7 3 GENERAL...

Страница 5: ...L INFORMATION 35 8 4 1 Disposal of refrigerant 35 8 4 2 Disposal of packaging 35 8 5 ORDERING SPARES AND RATING LABEL 36 9 ACCESSORIES 37 10 TECHNICAL DATA AND DIAGRAMS 39 11 DECLARATION OF CONFORMITY...

Страница 6: ...61326 1 Emissions Class B in accordance with CISPR 11 Only for EU Domestic connection value 100 A Table 1 in accordance with DIN EN 61326 1 Emissions Class B in accordance with CISPR 11 Rest of the wo...

Страница 7: ...lation thermostat failure of hoses may lead to leaking of hot heat transfer liquid and become a danger to personnel and objects When no external consumer is connected to the thermostat the pump outflo...

Страница 8: ...ooling thermostats Fill the bath with proper glycol water mixture 6 3 The units are designed only for operation with non flammable liquids to DIN EN 61010 2 010 Take care of the level of the heat tran...

Страница 9: ...e status Standby Activate timer by setting the Auto Shut Down Delay hh mm with or Deactivate timer by setting 00 00 The setting is accepted only by pressing the key Bath temperature 2 3 Display flashe...

Страница 10: ...ller with four segment LED display 2 Heater active yellow LED is lit Cooler active blue LED is lit Error signal red LED is flashing 3 Menu functions select and Enter keys 4 Mains switch 5 Screw clamp...

Страница 11: ...7 2022 Alpha 11 52 1 Reset button press only if the display shows SAFE 2 Cooler cable 3 Rating label 4 Mains cable 5 Screw clamp 1 2 3 4 5...

Страница 12: ...12 52 Alpha 7 2022 1 Control head with clamp 2 Bath vessel 3 Four mounting feet 1 2 3...

Страница 13: ...52 Alpha Cooling Thermostat 1 Control head 2 Pump connections return to bath and pump outflow 3 Bath cover 4 Handle on front and back 5 Removable front cover 6 Grille on both sides 7 Four mounting fee...

Страница 14: ...14 52 Alpha 7 2022 1 Mains cable 2 Rating label 3 Cooler cable 4 Bath drain nozzle 1 2 3 4...

Страница 15: ...trol head and the type of bath or the refrigeration system respectively Examples RA 8 Immersion thermostat Alpha control head and refrigeration system with bath of 8 liters maximum volume A 12 Control...

Страница 16: ...ment Further measurement conditioning occurs using a special control algorithm for controlling the heater actuator and the refrigeration system 4 7 Refrigeration system The refrigeration system consis...

Страница 17: ...be examined Please also inform the LAUDA Service 8 5 Standard accessories Catalogue No Quantity Designation Q4WA E_13 004 EN 1x Operating instructions for all thermostats UD 425 1x Screw clamp for imm...

Страница 18: ...In small baths use the pressure reducer to pre vent any splashing of heat transfer liquid Immersion Heating thermostats only Fix the clamp at the bottom of the control head by two screws M4 x 6 A3 1 4...

Страница 19: ...the mains plug immediately Cooling thermostats only NEVER overturn the unit and never put it upside down After transport and before starting up store it standing in upright position for two hours if p...

Страница 20: ...operated safely up to an ambient temperature of 40 C Depending on the loading of the refrigeration system a temporary shut off can occur especially in case of an ambient temperature of over 35 C Addit...

Страница 21: ...off the thermostat pull out the mains plug Drain the heat transfer liquid through the drain nozzle using a flexible tube The units are designed for operation with non flammable liquids to DIN EN 61010...

Страница 22: ...danger of corrosion Water content falls after prolonged operation at higher temperatures mixture becomes flammable flash point 119 C check the mixture ratio with a dosimeter Safety data sheets are av...

Страница 23: ...ZB 120 LZB 220 or LZB 320 or with Kryo 30 6 3 There is a risk of electrochemical oxidation with the use of racks of non ferrous metals or non ferrous metal samples The LAUDA Alpha thermostat tanks are...

Страница 24: ...ections with largest inner diameter as possible This gives the best flow Connect 9 mm internal diameter tubing from your applica tion to the pump connections Pump connections return to bath pump outfl...

Страница 25: ...exceed those currents distinctly for a short time Ensure that the unit is filled in accordance with Section 6 2 Note for electric installation on site The devices must be protected with a 16 ampere ci...

Страница 26: ...ounting position to the left Keys are pressed and held down Moves counting position to the right Switching one place to the right occurs by briefly 1 second releasing the key followed by another press...

Страница 27: ...and Lo are not accepted A buzzer signal appears If necessary first change the temperature limits 7 6 7 5 Automatic Shutdown Timer ASd The automatic Shutdown Timer can be activated deactivated read out...

Страница 28: ...ng the key Enter the selection The maximum temperature can be set from 35 C to 105 C The minimum temperature can be set from 30 C to 30 C The current temperature limit value is displayed flashing or S...

Страница 29: ...certificate Only offset values of 5 Kelvin are accepted Switching on the unit the last used CAL value is preloaded again 5x to CAL and 1x longer than 3 seconds Call the option CAL or Display flashes...

Страница 30: ...warnings or errors as appropriate All warnings alarms or errors are shown on the LED display Alarms Alarms are safety relevant Components Pump Heater Refrigerating Unit will be shut down Errors When...

Страница 31: ...l protection testing Every 6 month or before the unit is running unattended for longer periods this protection should be tested Therefore Remove the heat transfer liquid of the thermostat 6 2 Turn on...

Страница 32: ...mp 1 Alarm sounds as dual tone signal for pump motor overload or blockage 2 Display of PuPsignals blockage 3 The red LED above the fault triangle flashes Heater switches off on both poles Pump and ref...

Страница 33: ...erature minimum temperature 7 6 Errors Message on display Meaning E001 Sensor Issue short E002 Sensor Issue open unexpected sensor value If there is any irregularity when testing the safety devices sw...

Страница 34: ...ce Before any maintenance and repair work pull out the mains plug Repairs on the control unit must only be carried out by properly qualified personnel If the heat transfer liquid becomes contaminated...

Страница 35: ...This is done after taking off the front grille Brush off the condenser and if necessary blow through with compressed air 8 3 Note on repair If you need to send in a unit for repair it is essential to...

Страница 36: ...owing cases In the event of faults on the machine For spare part orders In the case of questions about the machine Contact our Sales Department for application specific questions LAUDA Service Phone 4...

Страница 37: ...m PP white 250 mm x 100 mm x 65 mm 0 135 C two racks fit in each of RA 12 three racks fit in each of A 24 and RA 24 UE 037 Rack for 60 tubes d 16 mm PP white 250 mm x 100 mm x 65 mm 0 135 C two racks...

Страница 38: ...llow 250 mm x 100 mm x 65 mm 0 135 C two racks fit in each of RA 12 three racks fit in each of A 24 and RA 24 UE 045 Rack for 24 tubes d 25 mm PP yellow 250 mm x 100 mm x 65 mm 0 135 C two racks fit i...

Страница 39: ...Temperature stability at 37 C K 0 05 Display setting resolution C 0 1 Pump type number of pump steps Pressure pump 1 Connections for consumers accessory Hose nozzle 12 7 mm external diameter Heater po...

Страница 40: ...up to 50 Connections for cooling coil accessory Hose nozzle 11 7 mm external diameter Overall dimensions W x D x H mm 125 x 150 x 300 Weight kg 3 5 Ingress protection rating IP Code according to IEC 6...

Страница 41: ...Bath vessel Inner tank in stainless steel Housing Powder coated steel sheet Feet Four mounting feet Bath opening W x D with Head mm 145 x 161 235 x 161 295 x 374 165 x 177 300 x 203 350 x 277 Bath op...

Страница 42: ...50 60 Hz kW 1 0 1 0 1 0 1 3 1 3 1 3 Refrigerant and filling quantity The cooling thermostat contains fluorinated greenhouse gases Units RA 8 RA 12 RA 24 Refrigerant R 134a R 134a R 134a maximum fillin...

Страница 43: ...7 2022 Alpha 43 52 Pump characteristics Alpha Immersion Thermostat measured with water Heating up curves from Alpha A 6 A 12 and A 24 230 V 230 V...

Страница 44: ...44 52 Alpha 7 2022 Cooling characteristics Alpha RA 8 RA 12 and RA 24 230 V 230 V...

Страница 45: ...7 2022 Alpha 45 52 11 Declaration of Conformity and Product Returns...

Страница 46: ...46 52 Alpha 7 2022...

Страница 47: ...7 2022 Alpha 47 52...

Страница 48: ...m of excerpts and the utilization and or conveyance of its content are not allowed except for internal purposes without written approval from the manufacturer Violation of this may obligate the violat...

Страница 49: ...Warnings 33 Filling quantity 42 G GWP 42 H Heat transfer liquid Testing 35 Hi 28 K Key functions 26 L LED signals 26 Lo 28 Low level protection 31 Low level Protection testing 31 M Maintenance 34 O O...

Страница 50: ...50 52 Alpha 7 2022 Standby 30 StbY 30 T Temperature Limit temperature 28 maximum temperature 28 minimum temperature 28 U UK plugs 25 W Warnings 30...

Страница 51: ......

Страница 52: ...LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda K nigshofen 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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