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Over-temperature protection

CONTROL OF PROTECTION:

Stop

Process security
Go back

Stop: cutoff of heating, pump
and refrigeration machine

Process security:
refrigeration machine continues.

CHARACTERISTICS:

OT limit: heating
OT Mode
Display all OT values

Return to main menu

CHARACTERISTICS:

OT limit: heating

OT Mode

Display all OT values
Return to main menu

Code for OT input

77

Please enter code

Actual setting: 0000

Max. setting 65535

Min. setting 0000

New value xxxx

Notice:
Please consider the statutory and
internal regulatons when setting
the OT limit.

OT Set-point Circulation

Actual setting: 35.00

Temp. max.  200.00
Act. temp.    22.40
Temp. min     -40.00

New setting xxxx

Protection overtemperature

  Actual OT values
  Sensor heater 1    19.0°C

  Tripping points
  Setting OT ht.1 35.0°C

OT Mode   Stop

Continue: Press Encoder

ESC

KEYB

ESC

KEYB

OT Mode

OT limit: heating

Содержание unistat cc401

Страница 1: ...Operating manual HT Thermostats 23 03 2011 Valid for unistat cc401 unistat cc401w HT unistat cc402...

Страница 2: ...e Battery 22 Event Function 22 Operation CC 23 CC Operation using the rotary knob 24 CC Operation using the simulated Number Pad 25 Main menu 26 Compact menu 27 Comfort menu 35 Com G te menu 42 Functi...

Страница 3: ...ic functions Com G te 76 Specific functions Web G te 77 Chapter 5 First aid for a fault condition 82 Messages 83 Display Error Messages 84 Alarms and Warnings 84 System Messages 84 Alarm and Warning c...

Страница 4: ...d 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 operati...

Страница 5: ...e now displayed Button for main menu and menu selection By pressing the rotary knob encoder you can reach the compact menu with above mentioned functions T set button Press this button to enter a new...

Страница 6: ...Pin Signal 1 3 E2 2 E1 RS232 RS485 Serial Socket Wiring RS232 Wiring RS485 Pin2 RxD Receive Data Pin6 A with 120 Ohm load resistance Pin3 TxD Transmit Data Pin7 A Pin5 GND Signal GND Pin8 B Functions...

Страница 7: ...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 h...

Страница 8: ...e 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 injur...

Страница 9: ...se The temperature control device corresponds with the latest technology and the valid safety related regulations Safety systems have been integrated into your temperature control device The following...

Страница 10: ...standing models with larger pumps this task can be performed by the external optional VPC module By means of the self optimising cascade regulator you will achieve optimal regulator results regarding...

Страница 11: ...uld 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...

Страница 12: ...mperature protection can for example be provided by a fluid sensor or a suitable over temperature switch d Determined by the manufacturer Your temperature control unit is designated a Class III FL ELO...

Страница 13: ...uid into pressurised vapour Using the Process Safety function the controller recognises when the over temperature cut off is reached and switches the cooling on The compressor automatic is automatical...

Страница 14: ...rculate 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 relat...

Страница 15: ...anical damage Non suitable thermal fluids can negatively affect temperature control and be the cause of negative temperature results and damages Therefore only use the thermal fluids recommended by th...

Страница 16: ...please refer to the technical data sheet Danger If the cooling water contains high levels of minerals e g chloride bromide then suitable water treatment chemicals should be used Use only recommended...

Страница 17: ...d 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 m...

Страница 18: ...d in this chapter CC Pilot Information display Real time clock Operation Operation using the rotary knob Operation using the simulated Number Pad Main menu points Compact menu Comfort menu Com G te me...

Страница 19: ...60 Touch screen and graphic display 61 Key and rotary knob 62 ESC key 63 Key 1 Soft key 1 64 Key 2 Soft key 2 65 Key 3 Soft key 3 66 LED temperature display 68 LED status display 60 66 68 61 62 Locki...

Страница 20: ...de control mode the process temperature reactor temperature will be shown 3 LED status display 68 Information on the actual operating status of the temperature control unit e g circulation is active c...

Страница 21: ...of the screen will bring up the option to enter a new set point Pressing the soft key 65 Start of the screen will bring up the Start Stop menu This menu allows the temperature control air purging circ...

Страница 22: ...1 Display Over temperature cut off This field displays the current setting of the over temperature cut off Please note that this value can only be changed through the Main menu Over temperature Please...

Страница 23: ...re entered during this period If after turning off and on again the time and date have been reset then it must be assumed that there is a problem with the rechargeable battery In this case please con...

Страница 24: ...61 one can enter directly the input mode Leave this mode by pressing the ESC key 3 Operation via menu points By pressing the key rotary selector 61 one enters the main menu Choose the function requir...

Страница 25: ...screen This menu lists the most commonly used options in alphabetical order Turn the rotary knob key 61 to highlight the required function and then press the knob to activate that function An overvie...

Страница 26: ...DOWN arrow keys can be used to step through the function list Press the OK button to accept the function and close the number pad The functions are going to be displayed in the graphics display 60 Fu...

Страница 27: ...ns Start stop Display modes Start ramp E Grade packages Temperature control mode Enter program User menu select Factory default Exit Language Limits Overtemperature protection for units with heating P...

Страница 28: ...M40 165 10 Sil oil SHOW FLUID Thermal fluid M90 Min working temperature C 90 Characteristics zero CONFIGURATION MANUAL CONTROL PARAMETERS Change control parameters Display control parameters Go back A...

Страница 29: ...trol parameter with which a rapid regulation with a relatively high constancy can be reached First start temperature control and run for some minutes to achieve a suitable stable set point During the...

Страница 30: ...ct between faster regulation behaviour with a small overshoot submenu point Fast small OS and a slower regulation behaviour without overshoot submenu point Without overshoot The default setting is Fas...

Страница 31: ...ues are displayed in large numerical format valid for all temperature control devices with Unistat Pilot and CC Pilot 6 Summary 1 Service information valid for all temperature control devices with Uni...

Страница 32: ...edit segments or erase whole programs Also one can set a particular behaviour at the end of the program through Stop temp control Continue temperature control temperature is continued at the last set...

Страница 33: ...ACT MENU Enter program Select Program Program 1 Program 10 Return to main menu Program 01 contains 00 segments SELECT ITEM Segments Segments List End condition Input program name Delete program Return...

Страница 34: ...L INS and BACK segments may be inserted easily and deleted Choose the segment to be deleted by turning the key rotary knob 61 or to insert a new segment or b Segments List The main functions set point...

Страница 35: ...operating set point range to be set between user determined minimum and maximum temperatures Start stop Operating modes temperature control air purge circulation can be selected and activated deactiv...

Страница 36: ...the risk and consequences for their application and select one of these three functions The default setting is OFF Clock Sets the unit Time and date A number of functions can be chosen e g a calendar...

Страница 37: ...to always on when setting process safety in the main menu point over temperature protection OT Mode only valid for units with compressors Control parameters A description on this point can be found in...

Страница 38: ...onds to Function F90 in the Funct No menu and allows the unit s operating language to be selected The language options displayed are available Limits The following functions are available 1 Delta T li...

Страница 39: ...is exceeded for more than 3 seconds NOTE The default setting is set to a value that lies few degrees above the upper temperature limit of the machine Int low lim alarm Internal sensor low limit alarm...

Страница 40: ...The new generation thermoregulation units give you the opportunity to carry out different adjustments If the inaccuracy applies over the whole temperature range adjustment should be carried out only a...

Страница 41: ...tion on thermal fluid are being displayed 5 Back Under the menu point Bath selection different bath volumes can be chosen Please select accordingly Software version Corresponds to Function F98 in the...

Страница 42: ...t point is done in the same way as the normal set point under the menu point set point This second set point is activated with an external control signal Function F28 or through a watchdog event User...

Страница 43: ...n to main menu ANALOGUE INTERFACE Config input Config output Go back DIGITAL INTERFACE Select RS232 485 Baud rate Slave address LAI Go back USE EXTERNAL SIGNAL TO No action Switch to 2nd setp 2nd set...

Страница 44: ...ERROR Switch off Act 2nd Set point Go back ANALOGUE INPUT Means AIF Input off Action on analogue error Switch off Action on cable break Trigger an alarm Configuration In Out 4 00mA 274 0 C 20 00mA 27...

Страница 45: ...the cable breaks The unit should be switched off if there is an analogue error ANALOGUE INTERFACE Config input Config output Go back ANALOGUE OUTPUT AIF Output range Cfg input range Adjustment Reset A...

Страница 46: ...nformation for fine adjustment General When the machine is delivered and after a Reset Reset AIF input the interface will be set accurately enough An adjustment is not necessarily required It is possi...

Страница 47: ...ffect Switch to 2nd set point Switching the closed contact to open contact causes the unit to use the value of the second set point A further switch from open to closed contact causes the unit to cont...

Страница 48: ...use the POCO function OFF Unipump PCS Unipump Process Control System This POCO function is used to connect the signal calling for the circulation pump to start with an external booster pump This has t...

Страница 49: ...of the thermal fluid Programmer The relay is controlled by a command from a segment within a temperature profile running on the programmer Please also note the menu point on Enter program Check int te...

Страница 50: ...ol or process temperature control F4 2nd set point Alternate set point which is being entered after activation Please also note the setting of function F28 External control signal F5 Auto Start Auto S...

Страница 51: ...n sensor Adjust return sensor Up to 5 free selectable temperature values for the adjustment of the return sensor can be defined and adjustment may be carried out Please also see description on Sensor...

Страница 52: ...demand Always ON The compressor is always running so the refrigeration system is always immediately available Always OFF The compressor is always off The compressor automatic valid for units with com...

Страница 53: ...ained F61 X Information Service Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx F68 Tempmove AIF Tint Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx F69 Tempmove...

Страница 54: ...this function is given in the Safety Functions section of the Comfort menu F109 Int low limit alarm Lower alarm limit internal temperature A description of this function is given in the Safety Functi...

Страница 55: ...this function the current of the unit s 0 4 20 mA or 0 10V analogue output signal can be calibrated this is the current limits for your measured output or difference output via the AIF see function F...

Страница 56: ...Please note that the User menu configuration is password code input protected The path to select the main menu point User menu config is as follows After entering the password code input select one o...

Страница 57: ...is up to the administrator to change the password Contact our Customer Support in case that the password will be forgotten Please note that the User menu configuration is password code input protected...

Страница 58: ...ontrol unit Setting the over temperature OT switch Setting the level indicator with capacitive level identification for chillers only Setting set point limits Entering a set point Starting temperature...

Страница 59: ...late or data sheet We disclaim all liability for damage caused by incorrect line voltages Safety instructions Danger Only connect the unit to a power socket with earthing contact PE protective earth C...

Страница 60: ...rol device to your circuit during the initial installation Besides 16A 13A or 10A can be selected as a current pickup If you select 13A or 10A the heat output will be reduced accordingly from 1 500 W...

Страница 61: ...y Activation of the cooling water release The cooling water release is activated by an internal solenoid valve The standard application temperature is preset to 95 C and is reset to 95 C during the su...

Страница 62: ...ax 60 C An activation of the cooling water release like under cooling water connection I is not required We recommend water inlet temperatures of 12 C to 25 C and a water pressure of 2 to 4 bar Please...

Страница 63: ...illed with thermal fluid Risk of overheating To ensure proper operation of the unit the over temperature switch should be tested at least monthly and after changing the thermal fluid Fire danger The o...

Страница 64: ...lues Return to main menu Code for OT input 77 Please enter code Actual setting 0000 Max setting 65535 Min setting 0000 New value xxxx Notice Please consider the statutory and internal regulatons when...

Страница 65: ...nd knowing action This procedure replaces the usual setting by means of a tool screw driver Afterwards the new safety value can be entered Stop according to DIN EN 61010 When the cut off temperature i...

Страница 66: ...the rotary knob key 61 Check the value of the minimum and maximum set point for every system change in particular if the thermal fluid is changed Entering a set point Select the Set point option from...

Страница 67: ...y closed system Caution Fill to the unit to the minimum level necessary Please refer to local regulations and internal procedures When filling the unit extra precautions such as earthing the expansion...

Страница 68: ...ss sight glass approx 1 3 full and there are no air bubbles left in the external system e g double jacket The electronics monitor the filling level and will display a corresponding message via the gra...

Страница 69: ...er from the thermal fluid Typical boiling points are water e g 100 C and ethanol 68 C Hygroscopic problems can also be avoided by using an inert gas blanket in the expansion vessel An accessory sealin...

Страница 70: ...rom the unit s circulation return 2 Leave the temperature control device open to dry out for some time without sealing caps and open drain valve 4 Changing thermal fluid internal cleaning After emptyi...

Страница 71: ...70 Chapter 4 Interfaces The following sections can be found in this chapter Interface modules RS232 Serial Mutual functions Com G te Web G te Specific functions Com G te Specific functions Web G te...

Страница 72: ...l bus interface RS485 via a Com G te Only one temperature control unit can be controlled The LAI command set has to be used if more than one temperature control unit is to be controlled via the serial...

Страница 73: ...which is 7 bytes long These 7 bytes plus the 7 bytes in front of the data group produce a data field length of 14 bytes 0Eh byte Namur Commands IN_PV_00 r n Request temperature Tinternal jacket IN_PV...

Страница 74: ...tions subject to a higher voltage than 60 V AC and 40 V DC there is the risk of receiving an electric shock or of damaging the interface module Only components requiring voltages of less than 60 V AC...

Страница 75: ...Signal Standby Release signal ECS External Control Signal for starting stopping temperature control The ECS can be used to switch of the temperature control mode internal process switch to the 2nd set...

Страница 76: ...controller Alternatively connecting to a RS485 bus is also possible not valid for the Web G te Before connecting the line check and if necessary adjust the settings in the menu Digit Interface Wiring...

Страница 77: ...in the section of the Com G te menu Pin Signal 1 Current output T external 0 4 20mA oder 0 10V 2 Current output set point 0 4 20mA oder 0 10V 3 GND for analogue outputs GND 4 Analogue input programmab...

Страница 78: ...dard rules of the IT apply A VPN access can be created using the Web G te via the internet This procedure has to be carried out from the machine The initiation of the procedure has to be carried out b...

Страница 79: ...thernet USB act deactivated always active PLC 12h active 10min active If e g 10min active is selected then the connection has to be established with the controller within 10min of this confirmation If...

Страница 80: ...ontroller Load program Enter program e g program 1 Web G te Load program A list is shown with all programs saved on the stick Choose program Program is loaded Temperature programs saved on the stick c...

Страница 81: ...E SP are recorded A storage medium stick has to be plugged in Data is stored in Spy format Data is recorded until the stick is full or recording is stopped Machine Data It is possible to have access o...

Страница 82: ...the network connection may not be interrupted do not remove the memory stick and do not switch off the electricity If for any reason the update should fail there is another update possibility Please...

Страница 83: ...ndition The following sections can be found in this chapter Messages Display Error Messages Alarm and Warning codes Exchange of the electronics Maintenance Decontamination Repair Cleaning the surfaces...

Страница 84: ...he machine or environment If the conditions leading to the warning message are not improved then there is a danger that the machine will stop with an alarm as generally alarm limits are then exceeded...

Страница 85: ...not made to correct the cause of the warning there is the risk that an alarm condition may arise for example if a condition causes the unit to exceed an alarm limit or temperature Once an alarm or wa...

Страница 86: ...PT100 11 14 15 42 43 48 49 50 58 PT100 Condensation not connected or faulty Condensation pressure or temperature too high Pump speed not correct Is pump running PT100 return sensor not connected or f...

Страница 87: ...7 Current increase measured on heating though NTR open NTR Current flow when heating is off Opto SSR defect No sufficient current flow seen for main heating No sufficient current flow seen for fine he...

Страница 88: ...pressor Oil pressure is too low HT compressor gas outlet temperature to high LT compressor gas outlet temperature to high Motor protection switch has triggered by Over temperature Please contact us or...

Страница 89: ...051 2052 2053 2064 2068 2072 2075 2095 Internal actual value has fallen below alarm temperature Process actual value has exceeded alarm temperature Process actual value has fallen below alarm temperat...

Страница 90: ...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 th...

Страница 91: ...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...

Страница 92: ...91 Chapter 6 Taking the machine out of service The following sections can be found in this chapter Decommissioning Transport Disposal...

Страница 93: ...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 machin...

Страница 94: ...priate 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 b...

Страница 95: ...wir Ihnen in Rechnung stellen Sie k nnen die f r Sie anfallenden Kosten niedrig halten wenn sie das Ger t vor der R cksendung mit Ethanol sp len Vielen Dank Please note that if you re using none Huber...

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