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1592026260 IEV22-24D GB r.1.0 21.02.2019 IEV 55/60

Recommendations:
- follow the diagram of the device used, for the numbering.
- the configuration is determined by the application.

14.2.3

Pressure transducers and ratiometric pressure transducers (0 - 5V)

3-row sensors that r5Vdc power supply.

14.2.4

Digital input connection

14.3

Supercap connection diagram

XEC supercap module supplies the energy to close the valve in case of power down.

Содержание Dixell IEV22D

Страница 1: ...IEV22D IEV24D Release FW 1 8 ...

Страница 2: ......

Страница 3: ...PR1 13 3 9 VIEWING PARAMETERS OF LEVEL PR2 14 3 10 HOW TO MODIFY THE PARAMETERS 16 3 11 MODIFYING THE VALUE OF PASSWORD PR2 17 3 12 TEMPERATURE AND PRESSURE PARAMETER VALUES 19 4 CONNECTIONS 19 5 DIGITAL INPUTS 21 6 RELAY 22 7 GENERAL DESCRIPTION 22 7 1 KIND OF OPERATION 23 7 2 CONFIGURATION VALVE CIRCUIT 26 7 3 VALVE MANAGEMENT 27 7 4 ALARM MANAGEMENT 31 8 DESCRIPTION OF PARAMETERS 32 8 1 PROBE C...

Страница 4: ...3 MAXIMUM POWER ALLOWED 52 14 INSTALLATION 53 14 1 GENERAL RULES 53 14 2 ANALOGUE INPUT CONNECTION 54 14 3 SUPERCAP CONNECTION DIAGRAM 55 14 4 LAN CONNECTION 57 15 PLASTIC CONTAINER 58 16 TECHNICAL SPECIFICATIONS 58 16 1 ELECTRICAL SPECIFICATION 58 16 2 ANALOGUE INPUTS 59 16 3 DIGITAL INPUTS 59 16 4 RELAY OUTPUTS 59 16 5 OPERATING CONDITIONS 60 ...

Страница 5: ...back to the distributor or to Dixell srl see address at the end of this document with a detailed description of the fault Pay attention to the maximum current applied to each relay see section Technical Data Ensure that the wires of probes power supply and power loads are separated and far enough from each other without crossing or intertwining symbol is intended to alert the user to the presence ...

Страница 6: ...of the goods in accordance with local laws Furthermore at the end of the product s life it is also possible to return this to the retailer when a new purchase is made This equipment may contain hazardous substances Improper use or incorrect disposal can have adverse effects on human health and the environment The symbol shown on the product or the package indicates that the product has been placed...

Страница 7: ...onnected to the IEV LAN the IEV can be connected to the Ichill 200 EVO series to control the machine chiller or heat pump and the superheat Evaporating temperature probe has to be connected to the IEV and suction pressure transducer can be connected to the IEV or to the Ichill by configuring dedicated parameters To guarantee the best regulation is recommended to connect the suction pressure transd...

Страница 8: ...th valves are in adjustment mode ON when the display shows the temperature pressure superheating of valve 1 or valve 2 valve selection via ON and flashing if the valve is closing or opening Remains ON if the valve is in a static position open ON if the valve is opening close ON if the valve is closing ON and flashing if an alarm is active menu ON if the menu appears 3 2 Keys Press the key to toggl...

Страница 9: ...lays are selected via the special parameter Ec43 and Ec44 Press the key to view the variables suction temperature evaporation pressure superheating value etc of valve 1 or valve 2 The icons which represent the state of the valve icon ON if the valve is adjusting are always displayed even if the currently displayed variables are those of the other valve If the variables of valve 1 are shown on the ...

Страница 10: ...es 3 4 Viewing the measured or calculated variables Press the keys to view the values of the following measured and calculated variables concerning valve 1 or 2 Superheating set point SHC SHH Superheating value SH Valve opening OPEn Suction temperature SCt1 Evaporation pressure LP1 Evaporation temperature tP1 Operation mode Cool HEAt Adjustment method Man AUto Press the key to select whether to vi...

Страница 11: ...1592026260 IEV22 24D GB r 1 0 21 02 2019 IEV 11 60 ...

Страница 12: ...p of parameters copy the map from HotKey 4K to IEV After viewing the last alarm in the AloG menu ArSt appears on the lower display and PAS on the upper display The Alarm log is reset by logging in via the password default value 4 3 6 Viewing the superheating set point Pushing SET key it will be visualized superheating cooling set point SHC or heating set point SHH depending on operation mode at th...

Страница 13: ...superheating set point press SET to confirm the value the superheating set point of valve 2 if present flashes press to modify the superheating set point press SET to confirm the value and return to the normal display 3 8 Viewing Parameters of level Pr1 Proceed as follows to view the parameters press SET and simultaneously for 5 seconds press to view the desired parameter press SET and simultaneou...

Страница 14: ...ameters press SET and simultaneously for 5 seconds press to view the password Pr2 parameter last parameter on the list press SET press to enter the value of password Pr2 press SET the first parameter of the list will appear on the display from this moment onwards all the parameters visible in Pr1 and Pr2 will be displayed ...

Страница 15: ...m Pr2 to Pr1 is necessary enter programming parameters level Pr2 select the parameter push SET key and hold it down then press key if the dot point on parameter label is lighted it means that the parameter is visible also in Pr1 visibility level repeat above procedure to make the parameter visible or not in Pr1 level Parameter displayed also in Pr1 ...

Страница 16: ...T and simultaneously to exit from the programming area of the parameters Proceed as follows to access the programming area of the parameters displayed in Pr2 press SET and simultaneously for 5 seconds press to view the password Pr2 parameter last parameter on the list press SET press to enter the value of the current password press SET to confirm the value parameter Et01 will be displayed once aga...

Страница 17: ... parameter last parameter on the list press SET press to enter the value of the current password press SET to confirm the value parameter Et01 will be displayed once again in this case the parameters of level Pr2 are displayed press to view the password Pr2 parameter last parameter on the list press SET press to enter the new value of the password press SET to confirm the value press SET and simul...

Страница 18: ...1592026260 IEV22 24D GB r 1 0 21 02 2019 IEV 18 60 ...

Страница 19: ...ement to the other Therefore the operator must check all the parameters concerning temperature and pressure in order to modify them accordingly In particular by modifying the Ec41 parameter from C bar to F PSI the value of the temperature and pressure parameters are multiplied by 10 with no decimal Modifying the Ec41 parameter from F PSI to C bar the value of the temperature and pressure parameter...

Страница 20: ... Analogue inputs common line 9 12V Voltage output 12Vdc to connect current trasducers 10 GND Ground to connect rathiometric probe 11 5V Voltage output 5Vdc to connect rathiometric probe 12 LAN LAN Connection terminal to connect to IC200 EVO series Digital input connector Terminal Type Description 28 DI1 Digital input 1 29 C Common digital inputs 30 DI2 Digital input 2 31 DI3 Digital input 3 32 C C...

Страница 21: ... 1 connections Terminal Type Description 5 12V Voltage output 12Vdc 1 W1 Connection to valve 1 first coil 3 W1 Connection to valve 1 first coil 2 W2 Connection to valve 1 second coil 4 W2 Connection to valve 1 second coil Valve 2 connections Terminal Type Description 5 12V Voltage output 12Vdc 1 W1 Connection to valve 2 first coil 3 W1 Connection to valve 2 first coil 2 W2 Connection to valve 2 se...

Страница 22: ...OP and probe alarm circuit 2 7 actives for high superheating low superheating and probe alarm circuit 2 8 actives for high superheating low superheating MOP LOP and probe alarm circuit 2 7 General description There are 2 different configurations of IEV device Ec1 0 Std alone operation mode This operation mode adjusts the superheating according to the reading of the evaporation pressure and suction...

Страница 23: ... If the valve is set to operate in summer and winter mode only Ec4 2 Ec5 2 this will generate a configuration error in the event of a circuit with two valves this will generate a configuration error 7 1 Kind of operation One can determine whether the calculation of the aperture value of the valve is calculated by the regulator based on the PID parameters entered manually in the parameter map or au...

Страница 24: ...ured to only operate in heat pump mode and one configured only operate in chiller mode defrost is carried out with the valve configured for the chiller mode In the event of a circuit with just one valve that operates in chiller and heat pump mode the valve will also carry out the defrost If the valve s are set for operation in heat pump mode only the defrost valves will not be activated Valve conn...

Страница 25: ... heating mode heat pump when Ichill completes the defrost stage and switches to adjustment in heating mode heat pump the valve maintains the step number it currently has for the time set under the Et43 parameter once the Et43 time has elapsed the valve performs adjustments in accordance with the heating mode heat pump Valve used in STD ALONE mode The activation of the digital defrost input is only...

Страница 26: ...rforms adjustments in accordance with the mode established by the configuration or by the status provided by the digital input chiller or heat pump o The digital defrost input is disabled when the digital adjustment request input is disabled When the digital defrost and adjustment request inputs are disabled the valve closes When the digital adjustment request input is activated it is assumed that...

Страница 27: ... adjusts in Chiller mode Heat pump ACF1 Configuration Error Chiller heat pump ACF1 Configuration Error Chiller heat pump Chiller ACF1 Configuration Error Heat pump ACF1 Configuration Error Chiller heat pump ACF1 Configuration Error Winter mode Chiller only Chiller ACF1 Configuration Error Heat pump Valve 2 adjusts in Heat pump mode Chiller heat pump ACF1 Configuration Error Heat pump only Chiller ...

Страница 28: ...sed in full steps or half steps The movement of the bipolar valve takes place by providing current micro impulses to the valve s motor When the valve is stopped because it has reached the optimum position the current is reduced if the function is enabled in order to limit consumption and to prevent excessive overheating The holding current is defined by parameter Ec16 Ec25 7 3 1 Valve selection If...

Страница 29: ...rameter correctly this value is set automatically by the controller if EC9 0 and or EC18 0 Ec14 Ec23 Minimum number of valve steps Refer to the technical documentation of the valve to set this parameter correctly this value is set automatically by the controller if EC9 0 and or EC18 0 Ec15 Ec24 maximum movement current Refer to the technical documentation of the valve to set this parameter correct...

Страница 30: ...ble below for quick reference to the connection mode of valves deriving from different manufacturers NOTE Do not connect or disconnect the valve while the device is connected to the power this operation may result in the breakdown of the device Set the programming of the configuration parameters before connecting the valve the connection of a valve with features not compatible with the model set i...

Страница 31: ...ating alarm The low superheating alarm is generated when the superheating temperature is equal or less than Et13 Et33 for the Et50 time In the event of an alarm the driver sets the valve to the minimum aperture Et20 Et40 The low superheating alarm is cleared when the superheating temperature is higher or equal to Et13 Et33 1 0 Maximum MOP operating pressure alarm The MOP alarm threshold is express...

Страница 32: ... configuration parameters Ec2 Positioning of the low pressure probe o If the IEV is configured in STD ALONE mode the low pressure probe must be configured in the IEV o If the IEV is configured with operation in LAN with the Ichill 200 EVO series the low pressure probe can be configured in the IEV or in the Ichill is strongly recommend the connection to the IEV as the pressure is calculated with th...

Страница 33: ...ercentage of the valve is expressed with a decimal point or not 8 4 Valve configuration parameters Ec3 valve type selection unipolar o bipolar Ec9 Ec18 bipolar valve model selection you can choose among different preconfigured valves Ec10 Ec19 unipolar valve model selection parameters currently not used Ec11 Ec20 a certain number of steps are added when the valve closes to ensure full closure Ec12...

Страница 34: ...AN connection to an IC200 EVO Et7 Et27 proportional contribution of the PID regulator in summer and winter mode If this parameter is set to 0 the Self adaptive adjustment function is enabled Increasing the value means increasing the action Δt of the proportional part therefore upon start up of the deviation of the superheating calculated in relation to the setpoint value increasing the value means...

Страница 35: ... parameter Et20 Et40 minimum aperture percentage of the valve in cooling and heating mode Under special circumstances there might be the need to change the minimum aperture value of the valve This can be done by setting the suitable value for this parameter Et21 Et41 filter for the pressure measurement in cooling and heating mode These parameters can be used to slow down the pressure reading which...

Страница 36: ...t in defrost mode At the time of entry in defrost mode the valve sets itself to the number of steps set under parameter Et54 for the Et55 time Et55 Time for which the steps of valve 2 are maintained before the adjustment for defrost Et56 Increase decrease opening percentage when the PID is saturated in cooling mode Et57 Increase decrease opening percentage when the PID is saturated in heating mode...

Страница 37: ...bes position 0 IEV 1 Ichill 200 EVO 0 1 Ec 3 Type of valve 0 Unipolar 1 Bipolar 0 1 Ec 4 Valve 1 output operation mode 0 chiller 1 heat pump 2 chiller and heat pump 0 2 Ec 5 Valve 2 output operation mode 0 chiller 1 heat pump 2 chiller and heat pump 0 2 Ec 6 Selection of output circuit valve 1 0 Not present 1 Circuit 1 2 Circuit 2 0 2 Ec 7 Selection of output circuit valve 2 0 Not present 1 Circui...

Страница 38: ...ique and valid reference has to be considered the datasheet made by valve manufacturer 0 Custom 1 Danfoss ETS 25 50 2 Danfoss ETS 100 3 Danfoss ETS 250 400 4 Alco EX4 EX5 EX6 5 Alco EX7 6 Alco EX8 7 Configuration 1 8 Configuration 2 0 8 Ec 10 Not used Ec 11 Number of additional steps to achieve complete closure When a closing request is received the valve starts from the current number of steps an...

Страница 39: ...C9 0 For unipolar valves refer to the notes included in paragraph 7 3 0 Ec13 Full steps Ec 15 Maximum current value per phase of the stepper motor this value is set automatically by the controller if EC9 0 Ec16 100 mA x10 mA Ec 16 Current stand by value this value is set automatically by the controller if EC9 0 0 Ec15 mA x10 mA Ec 17 Maximum number of steps per second of the valve For unipolar val...

Страница 40: ...omatically by the controller if EC18 0 For unipolar valves refer to the notes included in paragraph 7 3 Ec23 8000 Full steps Ec 23 Minimum number of adjusting steps of the valve 2 this value is set automatically by the controller if EC18 0 For unipolar valves refer to the notes included in paragraph 7 3 0 Ec22 Full steps Ec 24 Maximum current value per phase of the stepper motor this value is set ...

Страница 41: ... Dec int dec int Ec 34 PB4 calibration 12 0 21 12 0 174 12 0 21 12 0 174 C F Bar Psi Dec int dec int Ec 35 Relay 1 configuration o1 active when the contact is open c1 when active the contact is closed 0 non used 1 active in case of circuit 1 probe error 2 active in case of MOP LOP and circuit 1 probe error 3 active in case of high superheating low superheating and circuit 1 probe error 4 active in...

Страница 42: ...ircuit 2 probe error 8 active in case of MOP LOP high superheating low superheating and circuit 2 probe error 0 c8 Ec 37 Digital input 1 configuration o1 active when the contact is open c1 when active the contact is closed 0 not used 1 circuit 1 valve activation 2 circuit 1 valve operation mode cooling or heating 3 circuit 1 defrost mode 4 circuit 2 valve activation 5 circuit 2 valve operation mod...

Страница 43: ...alve activation 2 circuit 1 valve operation mode cooling or heating 3 circuit 1 defrost mode 4 circuit 2 valve activation 5 circuit 2 valve operation mode cooling or heating 6 circuit 2 defrost mode 0 c6 Display configuration and Modbus address configuration Ec 41 Unit of measure 0 C bar 1 F psi 0 1 Ec 42 Pressure measurement 0 relative 1 absolute 0 1 Ec 43 Upper display visualization 0 not used 1...

Страница 44: ... microstepping 1 normal mode this value is set automatically by the controller if EC18 0 0 1 Ec 54 Number of available gases selectable by Ec8 parameter This is an only reading parameter used to define the maximum value of Ec8 parameter 1 247 Pr2 Password to enter in Pr2 level and password to reset the alarm log 0 9999 Valve 1 configuration Et 1 Number of steps the valve has to move before compres...

Страница 45: ...tivation delay 0 0 0 Et46 C F dec Int Et 14 Low overheating protection added integral time in chiller mode 0 250 Sec Et 15 MOP Protection activation threshold in chiller mode High evaporating temperature threshold The alarm status is signaled after the high evaporating temperature alarm activation delay 70 0 94 60 0 140 C F dec Int Et 16 STEP RATE during MOP or LOP protection number of steps every...

Страница 46: ...F dec Int Et 33 Low overheating threshold in heat pump mode The alarm status is signaled after the low overheating alarm activation delay 0 0 0 Et32 C F dec Int Et 34 Low overheating protection added integral time in heat pump mode 0 250 Sec Et 35 MOP Protection activation threshold in heat pump mode High evaporating temperature threshold The alarm status is signaled after the high evaporating tem...

Страница 47: ...1 PID proportional component in defrost 0 0 0 50 0 122 C F dec Int Et 52 Number of steps the valve 1 has to move before compressor start up For unipolar valves refer to the notes included in paragraph 7 3 Ec14 Ec13 Full steps Et 53 Holding time of Et52 steps at the start up of the defrost valve 1 0 250 Sec Et 54 Number of steps the valve 2 has to move before compressor start up For unipolar valves...

Страница 48: ...ved or after probe replacement MoP Maximum operating pressure Evaporation pressure converted to temperature MOP activation threshold delayed by Et40 seconds Automatic action of the controller to counteract the MoP Active alarm relay output if enabled by parameter Enable the buzzer icon flashes Code of alarm on the display Automatic If the equivalent temperature of the pressure probe drops below Et...

Страница 49: ...driver carries out the aperture of the valve by Et16 Et36 steps at each second of operation HSH Maximum super heating value Super heating value High superheating threshold Et12 Et32 delayed by Et41 seconds Automatic action of the controller to counteract the HSH Active alarm relay output if enabled by parameter Enable the buzzer icon flashes Code of alarm on the display Automatic when the superhea...

Страница 50: ...he display Automatic after changing the configuration ACF1 alarm STAND ALONE valve configured to operate in cooling and heating but no digital input configured as cooling or heating selection Two valves configured for the same circuit and configured to work both in the same mode both only chiller both only heat pump both chiller and heat pump Two valves configured for the same circuit and at least...

Страница 51: ...2 UpLoad Procedure to upload insert the key in the 5 way connector with the device switched ON press the menu key and search for UPL in the lower display press SET the UPL label flashes on the display to indicate the procedure has begun once the operation is complete the fixed UPL label will appear together with the End label to indicate that the operation was successful All these steps can end ea...

Страница 52: ... for the application on the basis of that shown in the table The type of Dixell transformer to use is indicated for every operating mode Do not disconnect or connect a valve to the IEV driver when it is connected to the power supply the connection or disconnection of the valve must always be done when the IEV driver is not connected to power supply IEV driver can be damaged NOTE Carefully read the...

Страница 53: ...nsult your distributor 14 1 General rules During installation respect the following warnings to prevent malfunctions of the device Before connecting the instrument make sure the power supply complies with declared on the label affixed to the side of the instrument and in this document Set the programming of the configuration parameters before connecting the valve the connection of a valve with fea...

Страница 54: ... in the diagram below Recommendations follow the diagram of the device used for the numbering the configuration is determined by the application if used as a digital input potential free not live use the same connection configuration as of the sensors 14 2 2 Pressure transducers and current probes 4 20 mA 2 row sensors that require 12Vdc power supply Each sensor must be connected through one of th...

Страница 55: ...bering the configuration is determined by the application 14 2 3 Pressure transducers and ratiometric pressure transducers 0 5V 3 row sensors that require 5Vdc power supply 14 2 4 Digital input connection 14 3 Supercap connection diagram XEC supercap module supplies the energy to close the valve in case of power down ...

Страница 56: ...r 1 0 21 02 2019 IEV 56 60 XEC supercap doesn t supply the IEV in normal working conditions but supplies needed energy to close the valve in case of power down Connection with IEV22D one valve Connection with IEV24D two valves ...

Страница 57: ...orating temperature probe has to be connected to the IEV and suction pressure transducer can be connected to the IEV or to the Ichill by configuring dedicated parameters To guarantee the best regulation is recommended to connect the suction pressure transducer directly to the IEV Connection diagram of Ichill 200 EVO 4 DIN and IEV Connection diagram of Ichill 200 EVO CX and IEV ...

Страница 58: ... DIN rail EN 50022 DIN 43880 Fastened with screws via the removable plastic flaps Material PC ABS Thermoplastic Self extinguishing V0 UL94 Comparative Tracking Index CTI 300V Colour Black Front protection IP10 16 Technical specifications 16 1 Electrical specification Power Supply 24Vac dc 10 10 50 60Hz Consumption IEV22D max 20VA IEV24D max 40VA ...

Страница 59: ... 1 C 0 5V 100mV 4 20mA 0 30mA Measurement and adjustment field 50 C 110 C 58 F 230 F NTC probe 0 C 150 C 32 F 302 F PTC probe 50 C 100 C 58 F 212 F PT1000 probe 0 bar 50 bar 0 psi 302 psi pressure probe Resolution 0 1 C 1 F 0 1 bar 1 PSI 16 3 Digital inputs Type configurable via software parameter Non opto insulated potential free contact Number of inputs 4 Notes Do not use live contacts in order ...

Страница 60: ...1592026260 IEV22 24D GB r 1 0 21 02 2019 IEV 60 60 16 5 Operating conditions Operating temperature 10 C 55 C Storage temperature 30 C 85 C Relative humidity 20 85 Degree of protection IP 10 ...

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