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Chapter 5: First aid for a fault condition

The following sections can be found in this chapter:

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Display Error Messages

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Maintenance

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Decontamination / Repair

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Cleaning the surfaces

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Plug contacts

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Summary of Contents for UC006

Page 1: ...Housing 14 12 2009 Valid for following versions with natural refrigerant Advanced models for models with heating Valid for minichiller minichiller w UC006 UC007 UC010 UC012 UC012w UC015 UC015w UC022 UC022w UC023w UC025 UC025w UC006Tw UC009Tw ...

Page 2: ......

Page 3: ... up 18 Freezing protection only valid for temperature control units with the option freezing protection 18 Water cooling valid for units with water cooling 19 Connecting an externally closed application 20 Switching on the temperature control unit 20 Setting the over temperature switch 21 Entering a set point 21 Starting temperature control 21 Ending temperature control 21 Filling and air purging ...

Page 4: ...3 Chapter 6 Taking the machine out of service 33 Decommissioning 34 Transport 35 Disposal 35 ...

Page 5: ...nd understand the instruction manual thoroughly before operating the unit All instructions and safety information must be complied with Please read this manual before transporting commissioning operating maintaining repairing storing or disposing of this unit Failure to comply with the instructions within this manual may invalidate any warranty for this unit ...

Page 6: ...s Intended use and General Safety Information Description Duties of the responsible person Operator requirements Machine operator duties Work area Safety Devices to DIN 12876 applicable for units with heating Additional Protection Devices if provided Environmental conditions Operating conditions Location Thermofluids ...

Page 7: ...te risk to the life and health of personnel Serious injury or death Warning Possible risk to the life and health of personnel Serious injury or death Caution Possible dangerous situation possible injury to personnel or damage to property Information User tips and other useful information Requirement Requirement to carry out a specific method or action for safe machine operation ...

Page 8: ...al use only and may only be used to maintain the temperature within the internal bath does not apply for chillers and to maintain the temperature of reactors or other professionally expedient objects in laboratories and industry Suitable thermal fluids are used throughout the entire system The refrigerating or heating capacity is provided at the pump connections and in the bath itself does not app...

Page 9: ... fluid For Chillers with a pump that can build pressure up to 3 bar supply line pressure can be set by means of a VPC Bypass and thus can be adapted for the required application The pressure of the supply line is indicated via a manometer display Temperatures can be easily red via the LED display screen An easy keypad set point arrow up and arrow down key is used to set a set point Thermostats use...

Page 10: ...ould only operate the unit under the direct supervision of qualified personnel The operator is responsible for third parties within the working area Machine operator duties Make sure that the operators have read and understood the instruction manual Please observe the safety instructions Appropriate Personal Protective Equipment e g safety goggles safety gloves should be worn when operating the un...

Page 11: ...ver temperature switch Classification Thermal Fluid Technical requirement Designation d I non flammable a Over temperature cut off c NFL II Adjustable over temperature cut off flammable b FL III Adjustable over temperature cut off and extra low level switch a Normally water other fluids only when they are non flammable in the event of a single failure b The thermal fluid must have a flame point 65...

Page 12: ...irculate around the unit for ambient temperature conditions please refer to the technical data sheet remaining within these ambient conditions is imperative in ensuring accurate operation maximum relative humidity of 80 up to 32 C decreasing linearly to 50 relative humidity at 40 C use only as long a power cord as necessary the unit should be located so as not to restrict access to the mains power...

Page 13: ...es Therefore only use the thermal fluids recommended by the manufacturer and only in the intended temperature and pressure range The application should be located on approximately the same level or lower than the temperature control device if temperature control is to be carried out near to the boiling temperature of the thermal fluid The thermal fluid should have room temperature when filling Fil...

Page 14: ...treatment chemicals should be used Use only recommended materials to maintain the unit warranty Further information on corrosion appearance and avoidance can be found on our website www huber online com under Download Safety data sheets thermofluids Characteristics of water Please refer to the sections on Intended use and general safety instructions Location Caution Transport the unit upright The ...

Page 15: ...ld be followed Please note the classification of your machine according to DIN 12876 The chosen thermal fluid must be compatible with stainless steel 1 4301 V2A and FKM The maximum viscosity of the thermal fluid may not exceed 50 mm s at the lowest temperature reached The maximum density of the thermal fluid may not exceed 1kg dm For chillers we recommend as thermal fluid a mixture of water and gl...

Page 16: ...15 Chapter 2 Electronics and operation The following sections are to be found in this chapter Information displays and operation Advanced functionality ...

Page 17: ...ion via an external sensor connection Pt100 2 An RS232 interface for controlling the machine Sensor relocation Keep the external Pt100 in a safe place A sensor relocation permits to control the temperature according to an external Pt100 To activate this function switch off the temperature control unit and connect the external Pt100 to the designated Pt100 socket Switch on the temperature control u...

Page 18: ...losed application Switching on the temperature control unit Setting the over temperature switch Setting set point limits Entering a set point Starting temperature control Ending temperature control Filling and air purging an externally closed application Draining an externally closed application Thermofluid change internal cleaning ...

Page 19: ...nits with the option freezing protection Temperature control devices especially unichillers with the option freezing protection are capable of using water as thermal fluid An additional freezing protection may be activated for temperature control devices with the option freezing protection under the main menu point Protection functions Freezing protection to avoid critical situations such as tempe...

Page 20: ... tightness and quality of the hoses hose connections in regular intervals and if necessary take appropriate measures Replacement Close down the cooling water supply to the tempering device even during shorter shutdowns e g over night Reinforced hoses must be used for increased safety requirements Preparation of devices with water cooling Establish the hose connections for the cooling water The fil...

Page 21: ...bubbles remain in the system ensure that the unit fluid outlet 1 is attached to the lowest connection on the application and the unit fluid return 2 is attached to the highest connection on the application Please note the markings for the hose connections on the housing Switching on the temperature control unit The temperature control unit can be switched on using the mains switch 36 Circulation a...

Page 22: ...et to 35 C If the temperature of the thermal fluid is higher then this value when filled the machine switches off STOP to DIN EN 61010 and an alarm will be given after a short time After removing cause of the error e g by using a thermal fluid with a higher burning point and the correct setting of the over temperature protection start the device again Entering a set point You can enter a set point...

Page 23: ...ould be immediately turned off and Huber trained personnel consulted Failure to observe the above precautions may mean that the unit will not comply with all of the requirements of DIN EN 61010 2 010 Filling and air purging Lift the bath cover lid from the bath inlet connections Carefully pour a suitable thermal fluid into the expansion tank filling hole 17 with help of appropriate accessories suc...

Page 24: ...connect the hose from the inlet to the unit 2 Leave the temperature control device open to dry out for some time without sealing caps and open drain valve 4 Changing heat transfer fluid internal cleaning After emptying the unit as described in the chapter Draining the machine and an externally closed application depending on the thermal fluid it is possible that remnants of the oil remain in the m...

Page 25: ...24 Chapter 4 Interface and software update This chapter concerns use of the RS232 interface for Advanced temperature control machines ...

Page 26: ...up A number of bus compatible commands are available under the protocol designation of LAI The General guidelines of the software protocols are applicable In addition there are the following special features LAI command structure A LAI command is structured as follows mssilld dpp r with start character 5Bh 1 byte m transmitter identifier M 4Dh for master or S 53h for slave 1 byte ss slave address ...

Page 27: ...1C6h 1 Byte Summe C6h In order to be able to query variables without changes it is possible to set the character instead of a variable in the master command The receiver thus the thermostat will not change the variable at this position In this case all positions which the variable takes have to be rendered with the character In the examples the thermostat is always addressed with the identifier de...

Page 28: ...ed Make no change of the current condition tttt Set point value with 16 bit resolution 1 Byte of 4ASCII characters LSB is 0 01K max 7FFF or 327 67 C Example 4 C is displayed as 0190 4 C is displayed as FE70 No change of the set point value pp Check sum r End character CR Slave response S01G15sattttiiiieeeepp r s Control mode C Circulation switch on the circulation I Switch on the internal control ...

Page 29: ...ter CR Slave response S01L17llllhhhhuuuuoooopp r llll Low Limit lower set point limit Format as above hhhh High Limit upper set point limit Format as above uuuu Lower working range limit This limit is specific to the device and cannot be modified The lower set point limit cannot be below the lower working range limit oooo Upper working range limit This limit is specific to the device and cannot be...

Page 30: ...29 Chapter 5 First aid for a fault condition The following sections can be found in this chapter Display Error Messages Maintenance Decontamination Repair Cleaning the surfaces Plug contacts ...

Page 31: ...f compressor off heating off Check level Reset only possible if level ok E2 flashing Inlet E1 indicates failure Pump is running and circulation is missing or Pump is running and water pressure is missing Thermoregulation is inactive Pump off compressor off heating off Reset only possible if disconnected from the power supply E3 flashing Even though thermoregulation is off inlet E1 is indicating ci...

Page 32: ...can also be found on the side the rear or under the temperature control unit Remove the air outlet grill to gain access to the cooling fins With the help of a brush or vacuum cleaner you can clean the fins of the black condenser at the back of the cabinet However never use pointed objects Please see that the condenser fins are not damaged or deformed as this may impair the air current Cleaning the...

Page 33: ...the machine and BEFORE the unit is sent out for repair or testing The unit should be clearly labelled that it has been decontaminated before it is sent We have prepared a document to simplify this process This is available in the appendix and at our website www huber online com Cleaning the surfaces A normal steel cleaning spray is suitable for cleaning the stainless steel surfaces Painted areas s...

Page 34: ...33 Chapter 6 Taking the machine out of service The following sections can be found in this chapter Decommissioning Transport Disposal ...

Page 35: ...nd must be considered when working according to the operating manual Switching off Set main switch 36 to O Disconnect the thermostat from the power supply Drain out cooling water only with water cooled machines Draining procedure Customers drain valves to be closed so that no cooling water flows Put a collecting vessel under the cooling water connections of the machine Remove the closing cap on th...

Page 36: ...opriate for the weight should be used even when transported on a palette When shipping the unit on a palette it should be braced on four sides using wood or other suitable materials Extra bracing and banding should be made according to the weight of the unit Extra materials such as plastic wrap sheeting cardboard and banding should be used as necessary Disposal Thermal fluid which has spilled or l...

Page 37: ... wir Ihnen in Rechnung stellen Sie können die für Sie anfallenden Kosten niedrig halten wenn sie das Gerät vor der Rücksendung mit Ethanol spülen Vielen Dank Please note that if you re using none Huber heat transfer fluids we have to flush the system before we start with your repair The resulting costs have to be added onto your bill You can reduce your repair costs by flushing your system with et...

Page 38: ... this declaration Designation Circulation Thermostat Type Serial Number Order number Relevant EU directives 2006 95 EG Low Voltage directive 2004 108 EC Electromagnetic Compatibility Relevant harmonized standards under the directives indicated above EN 61010 1 2002 EN 61010 2 10 2004 EN 61326 2004 Further national standards DIN 12876 1 DIN 12876 2 DIN 12876 3 Offenburg 28 Dezember 2009 Peter Huber...

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