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1592015300 User manual iCHILL 200 L GB

r1.3 09/09/2005

7.12 H

OT

K

EY

64 C

ONNECTION

The programming HOT KEY 64 allows to upload or download a copy of the parameters of the instrument (see HOT KEY paragraph).

7.13 XJ485 C

ONNECTION

The XJ485 interface is a converter between the RS485 and the TTL connector output. The RS485 uses two terminals (+) and (-) that
must be connected respecting the polarity to build the serial line. Use the CAB/RS02 to connect the XJ485 interface to the TTL
connector.

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Содержание ichill IC260L

Страница 1: ...IC200L Series User manual dIXEL ...

Страница 2: ...3 7 13 XJ485 CONNECTION 23 7 14 REMOTE PANELS VI620 VI820 24 8 ANALOG AND DIGITAL OUTPUT CONFIGURATION 24 8 1 ANALOG INPUT PB1 PB2 PB7 PB8 PB9 PB10 24 8 2 ANALOG INPUT CONFIGURATION PB3 PB4 PB5 PB6 25 8 3 DIGITAL INPUT CONFIGURATION ID1 ID18 25 8 4 DIGITAL OUTPUT RELAY CONFIGURATION RL1 RL14 26 8 5 CONDENSER PROPORTIONAL CONTROL CONFIGURATION 2 OUTPUTS 27 8 6 PROPORTIONAL OUTPUT CONFIGURATION 0 10...

Страница 3: ...OMPRESSOR DISCHARGE TEMPERATURE PROBE 54 17 12 READ OUT OF THE RUNNING HOURS 54 17 13 RESET THE RUNNING HOUR 54 17 14 READ OUT OF THE COMPRESSOR STARTS UP 54 17 15 RESET THE STARTS UP NUMBER 54 17 16 READ OUT OF THE PROPORTIONAL OUTPUT PERCENTAGE OF THE CONDENSER FAN CONTROL 55 17 17 READ OUT OF THE FOUR PROPORTIONAL OUTPUT 55 17 18 READ OUT OF THE TIME COUNTING TO THE NEXT DEFROST 55 17 19 READ O...

Страница 4: ...RT UP 69 29 5 PUMP DOWN ALARM DURING COMPRESSORS SWITCHING OFF 70 29 6 PUMP DOWN INFORMATION 70 30 UNLOADING 70 30 1 HIGH TEMPERATURE OF THE EVAPORATOR WATER INLET 70 30 2 UNLOADING DESCRIPTION 70 30 3 UNLOADING INFORMATION 70 30 4 UNLOADING WITH PRESSURE CONDENSING TEMPERATURE OR EVAPORATING PRESSURE CONTROL 71 30 5 REGULATION 71 30 6 OTHER INFORMATION ABOUT THE UNLOADING IN CHILLER 71 30 7 OTHER...

Страница 5: ...RATURE LOW CONDENSING PRESSURE OF THE CIRCUIT 88 41 19 B1AC B2AC B1AC B2AC ANTIFREEZE ALARM LOW OUTLET TEMPERATURE AIR AIR UNIT IN CHILLER MODE 88 41 20 B1AH B2AH ANTI FREEZE ALARM LOW OUTLET AIR TEMPERAURE AIR AIR UNIT ONLY ON HEAT PUMP MODE 88 41 21 B1HP B2HP HIGH PRESSURE CONDENSING HIGH TEMPERATURE OF THE CIRCUIT 89 41 22 B1LP B2LP LOW PRESSURE SWITCH CIRCUIT 1 OR 2 89 41 23 B1LP B2LP LOW EVAP...

Страница 6: ... 97 45 4 METAL FRONT FRAME 98 45 5 VERTICAL BOARDS VI620 VI820 PANEL CUT OUT 98 46 ELECTRICAL CONNECTIONS 99 47 ACCESSORIES 99 47 1 MONOPHASE FAN CONTROL 230VAC AND CUT PHASE CONTROL 99 47 2 INVERTER MICROFAN 380VAC UP TO 4KW OR 8KW 100 47 3 TRANSFORMER 100 48 TECHNICAL DATA 101 ...

Страница 7: ......

Страница 8: ... sudden temperature changes with high atmospheric humidity to prevent formation of condensation Warning disconnect all electrical connections before any kind of maintenance The instrument must not be opened In case of failure or faulty operation send the instrument back to the distributor or to Dixell s r l see address with a detailed description of the fault Consider the maximum current which can...

Страница 9: ... per hour Cooling liquid injection With dedicated PTC probe High temperature alarm of the compressor discharge side With dedicated PTC probe Complete management of two pump groups of the water side 2 pumps evaporator side 2 pumps condenser side Display layout customizable Temperature Pressure Time RTC in real time Other display readings Safety digital inputs Compressors running hours Number of com...

Страница 10: ...ge over From configurable digital input Hot start Air air unit Defrost management Combined control with temperature and pressure Forced defrost with low temperature of external air From configurable digital input Manual from keyboard Boiler For electrical integration heating or anti freeze heaters Two proportional outputs for condensing fan speed control inverter or phase cut with configurable sig...

Страница 11: ...sing fan configurable configurable configurable configurable Four 0 10V outputs for Free cooling and Heating recovery or to drive an external relay configurable configurable configurable configurable OTHER OUTPUTS TTL RS 485 with Mod Bus Rtu protocol n n n n Output for remote keyboard VI620 up to 2 boards together n n Output for remote keyboard VI820 up to 2 boards together n n POWER SUPPLY 12 Vac...

Страница 12: ...2015300 User manual iCHILL 200 L GB r1 3 09 09 2005 4 USER INTERFACE 4 1 FUNCTION OF THE LEDS OF THE KEY BUTTONS Use of the led on the IC260L IC261L models Use of the led on the IC260L IC261L metal models ...

Страница 13: ...1592015300 User manual iCHILL 200 L GB r1 3 09 09 2005 Pg 12 105 Use of the led on the models IC280L IC281L Use of the led on the metal models IC280L IC281L ...

Страница 14: ...1592015300 User manual iCHILL 200 L GB r1 3 09 09 2005 4 2 USE OF THE LED ON THE MODELS VI620 VI620S REMOTE PANELS 4 3 USE OF THE LED ON THE MODELS VI820 VI820S REMOTE PANELS ...

Страница 15: ...r code or value UP KEY Push for 1 second during the programming 1 time shows the Pr2 programming level 2 time shows the Pr3 programming level Push once Select the readings of the second circuit TASTO DOWN Pushing one time during the programming To change the parameter code or value Push once Turn the chiller on if the unit is on led is on The led is blinking if there is a power on delay or during ...

Страница 16: ...once together Exit the programming Push 5 seconds heat pump with ok condition Manual defrost In Pr3 programming level Push SET and then the MENU key In Pr3 defines if the parameter can be changed or not in the other levels 4 6 LED AND ICONS ICON LED FUNCTION ON Auxiliary relay 1 active OFF Auxiliary relay 1 not active ON Auxiliary relay 2 active OFF Auxiliary relay 2 not active BLINKING Defrost de...

Страница 17: ... counting ON compressor 4 active Blinking compressor 4 delay counting ON compressor 5 active Blinking compressor 5 delay counting ON compressor 6 active Blinking compressor 6 delay counting General alarm blinking if there is an alarm not identified by an icon Anti freeze heaters integration heating boiler ON if the output is on Flow alarm differential pressure switch supply fan thermal air air uni...

Страница 18: ...81L Use the connection cable CAB CJ30 2x0 2 mm 2 to interface the ichill connector to the shielded wire 6 FIRST INSTALLING 6 1 ON BOARD CLOCK OPTIONAL Giving power supply the bottom display shows rtC alternated with a temperature or pressure value It is necessary to set the RTC If the probes are not connected the display shows the corresponding probe alarm messages In this situation the RTC setup ...

Страница 19: ...on or for XJ485 interface module for monitoring system connection MAX current on the relay contacts relè 5 2 A 250V MAX common current 12A 250V 7 2 HARDWARE RESOURCES FOR IC261L IC281L MODELS 14 digital outputs relays 18 digital inputs free of voltage 10 analogue inputs NTC probes or through configuration 6 NTC PTC and 4 pressure transducer 4 20mA or ratio metric 0 5 0Volt 6 modulating outputs 1 o...

Страница 20: ...0 L GB r1 3 09 09 2005 7 3 ANALOG INPUTS NTC PTC PROBES PbC Common terminal 7 4 DIGITAL INPUTS GND Common terminal 7 5 ANALOG INPUT FOR PRESSURE TRANSDUCER PP30 4 20MA SIGNAL Using 4 20mA pressure transducer set the Parameter CF07 0 1 ...

Страница 21: ...rameter CF07 2 3 7 7 PWM OUTPUT FOR CONDENSING FAN SPEED CONTROL With only one condensing circuit configured the TF1 TF2 outputs work together The PWM signal can control the cut phase controllers for the following mono phase models Mod XV05PK mono phase cut phase control 500 Watt 2A Mod XV10PK mono phase cut phase control 1000 Watt 4A Mod XV22PK mono phase cut phase control 2200 Watt 9A ...

Страница 22: ... 0 10V outputs the iCHILL can drive a mono phase or three phase controllers such as the Dixell inverter models XV340GS up to 8KW 7 9 FAN CONDENSING CONTROL WITH 4 20MA OUTPUT With only one condensing circuit configured the Out1 Out2 outputs work together giving the same signal With the 4 20mA outputs the iCHILL can drive a mono phase or three phase controllers such as the Dixell inverter models XV...

Страница 23: ...200 L GB r1 3 09 09 2005 Pg 22 105 7 10 PROPORTIONAL OUTPUTS 0 10V DUMPER CONTROL GND common 7 11 PROPORTIONAL OUTPUTS CONFIGURED FOR AUX RELAY CONTROL GND common By parameter programming is possible to connect a 12 volt 40mA relay ...

Страница 24: ... copy of the parameters of the instrument see HOT KEY paragraph 7 13 XJ485 CONNECTION The XJ485 interface is a converter between the RS485 and the TTL connector output The RS485 uses two terminals and that must be connected respecting the polarity to build the serial line Use the CAB RS02 to connect the XJ485 interface to the TTL connector ...

Страница 25: ... Temperature probe PTC for compressor 4 discharge 5 Temperature probe PTC for compressor 5 discharge 6 Temperature probe PTC for compressor 6 discharge 7 Temperature probe NTC for evaporator inlet 8 Temperature probe NTC for evaporator 1 outlet 9 Temperature probe NTC for evaporator 2 outlet 10 Temperature probe NTC for common evaporator outlet 11 Temperature probe NTC for common hot water condens...

Страница 26: ...rature probe NTC for external air dynamic setpoint boiler change over 20 Temperature probe NTC for combined defrost circuit 1 21 Temperature probe NTC for free cooling water inlet 2 22 Temperature probe NTC for auxiliary output 1 23 Temperature probe NTC for auxiliary output 2 24 Condenser probe circuit 1 temperature NTC pressure 4 20 mA ratio metric 0 5Volt 25 Condenser probe circuit 2 temperatur...

Страница 27: ...ialization 2 of compressor 4 motocondensing unit 61 Request partialization 3 of compressor 4 motocondensing unit 62 Request compressor 5 motocondensing unit 63 Request compressor 6 motocondensing unit 8 4 DIGITAL OUTPUT RELAY CONFIGURATION RL1 RL14 Parameter involved CF54 Configuration RL1 CF67 Configuration RL14 0 Not enabled 1 Alarm 2 Evaporator water pump Supply fan 3 Support water pump of the ...

Страница 28: ...e compressor 4 51 PW start relay PW 2 of the compressor 4 Star delta start relay line 1 of the compressor 4 52 Star centre of the Star delta start of the compressor 4 53 Capacity step valve 1 of the compressor 4 54 Capacity step valve 2 of the compressor 4 55 Capacity step valve 3 of the compressor 4 56 By pass gas valve compressor 4 start 57 Compressor 5 relay 58 Compressor 6 relay 8 5 CONDENSER ...

Страница 29: ...c int ST 8 Regulation band in chiller heat pump 0 0 0 25 0 45 C F Dec int ST 9 Thermoregulation probe selection in chiller 0 Temperature probe NTC for evaporator inlet 1 Temperature probe NTC for evaporator outlet 1 2 Temperature probe NTC for evaporator outlet 2 3 Temperature probe NTC for common evaporator outlet 4 Temperature NTC probe from remote panel 1 5 Temperature NTC probe from remote pan...

Страница 30: ...remeters dP01 dP02 dP03 1 the read out shows the NTC probe of the remote panel 0 1 dP5 Top display default read out of the remote terminal_2 0 the read out depends on the paremeters dP01 dP02 dP03 1 the read out shows the NTC probe of the remote panel 0 1 Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Configuration Parameter Description min max M u Resolution Unit Model CF 1 Type of unit...

Страница 31: ...al input 0 o 1 25 c63 CF 9 PB2 Configuration If configured as digital input 0 o 1 25 c63 CF 10 PB3 Configuration If configured as digital input 0 o 1 30 c63 CF 11 PB4 Configuration If configured as digital input 0 o 1 30 c63 CF 12 PB5 Configuration If configured as digital input 0 o 1 30 c63 CF 13 PB6 Configuration If configured as digital input 0 o 1 30 c63 CF 14 PB7 Configuration If configured a...

Страница 32: ...3 Configuration of ID8 0 o1 c63 CF 44 Configuration of ID9 0 o1 c63 CF 45 Configuration of ID10 0 o1 c63 CF 46 Configuration of ID11 0 o1 c63 CF 47 Configuration of ID12 0 o1 c63 CF 48 Configuration of ID13 0 o1 c63 CF 49 Configuration of ID14 0 o1 c63 CF 50 Configuration of ID15 0 o1 c63 CF 51 Configuration of ID16 0 o1 c63 CF 52 Configuration of ID17 0 o1 c63 CF 53 Configuration of ID18 0 o1 c63...

Страница 33: ...terminal 1 12 0 10 12 0 53 C F Dec int CF 77 Offset of the NTC probe of the remote terminal 2 12 0 10 12 0 53 C F Dec int Icon function CF 78 Icon function 0 chiller heat pump 1 chiller heat pump 0 1 Chiller heat pump selection mode CF 79 0 from keyboard 1 from digital input 2 from analogue input 0 2 Automatic Change over CF 80 Change over setpoint for chiller heat pump inversion if Par CF80 2 30 ...

Страница 34: ...ode 0 0 0 25 0 45 C F Dec int ES 16 Energy Saving setpoint offset in heat pump mode 30 0 54 30 0 54 C F Dec int ES 17 Energy Saving differential in heat pump mode 0 0 0 25 0 45 C F Dec int Pr1 Password 0 999 Pr2 Password 0 999 Pr3 Password 0 999 Compressors Parameters Description min max udm Risoluzione CO 1 Minimum compressor ON time after the start up 0 250 10 sec 10 sec CO 2 Minimum compressor ...

Страница 35: ... functioning 1 250 Min CO 18 OFF delay evaporator water pump supply fan after compressor switching OFF This delay is also active when the unit is turned in stand by See evaporator water pump function 0 250 Min CO 19 Number of time running hours for pump rotation See water pump group function 0 999 10Hr 10Hr CO 20 Time to make run the pumps together before rotating from one to the other See water p...

Страница 36: ...rential From temperature pressure in HP mode See unloading function 0 0 0 14 0 203 Bar Psi Dec int CO 48 Maximum unloading duration time from temperature pressure control 0 250 Min CO 49 Number of steps for circuit with active unloading 1 1 st step 2 2 nd step 3 3 rd step 1 3 CO 50 Minimum ON time of the capacity step after the unloading function start only for capacity compressor 0 250 Sec Compre...

Страница 37: ...ler mode To set the maximim fan speed percentage value 30 100 it is related to the fan power supply 30 100 FA 9 Proportional speed control FA01 4 Temperature or pressure limit to enable the minimum speed FA 7 ON OFF regulation FA01 2 3 SETpoint step n 1 30 0 22 0 0 0 70 0 158 50 0 725 C F Bar Psi Dec int Dec int FA 10 Proportional speed control FA01 4 Temperature or pressure limit to enable the ma...

Страница 38: ...0 0 25 0 45 14 0 203 C F Bar Psi Dec int Dec int FA 23 Night speed in Heat pump To set the maximum fan speed percentage value 30 100 it is related to the fan power supply 30 100 Hot start FA 24 Hot start setpoint 30 0 22 70 0 158 C F Dec int FA 25 Hot start differential 0 0 0 25 0 45 C F Dec int 3 4 step condenser Fan in Chiller mode FA 26 ON OFF regulation FA01 2 3 SETpoint step n 3 30 0 22 0 0 0...

Страница 39: ...n Boiler function in Chiller mode Ar 15 Setpoint for boiler heaters on in chiller 30 0 22 70 0 158 C F Dec int Ar 16 Proportional band for boiler heaters in chiller 30 0 22 70 0 158 C F Dec int Boiler function in heat pump Ar 17 Setpoint for boiler heaters on in HP 30 0 22 70 0 158 C F Dec int Ar 18 Proportional band for boiler heaters in HP 0 1 0 25 0 45 C F Dec int Ar 19 External air setpoint to...

Страница 40: ...h have reached the necessary requirements 2 If one has reached the necessary requirements 0 2 dF 23 End defrost for two circuits and common ventilation 0 Independent 1 If both have reached the necessary end defrost requirements 2 If one has reached the necessary end defrost requirements 0 2 Start stop defrost from analog input Parameters description min max udm resolution dF 24 Start stop defrost ...

Страница 41: ...Dec int Dec int Oil Alarm AL 11 Low oil pressure level delay from digital input 0 250 Sec AL 12 Minimum time for low oil pressure level from digital input activation in normal working condition 0 250 Sec AL 13 Maximum number of low oil pressure level events Always manual reset if AL13 0 Always automatic reset if AL13 16 From automatic to manual reset if AL13 1 15 0 16 Flow alarm AL 14 Configuratio...

Страница 42: ...e minimum limit in heat pump va da 30 C a AL32 30 0 22 AL31 C F Dec int AL 32 Setpoint of the maximum limit in heat pump va da AL31 a 70 C AL31 70 0 158 C F Dec int AL 33 Anti freeze alarm setpoint in heat pump Setpoint temperature for low anti freeze alarm low ambient temperature air air low temperature air outlet air air from AL31 to AL32 AL31 AL32 C F Dec int AL 34 Alarm differential in heat pu...

Страница 43: ...gramming procedure has found an error and the parameter have not been transferred In this case turn off and then on the instrument supply to repeat the operation or remove the hot key with power supply off to restart the regulation 10 2 UPLOAD HOW TO PROGRAM A HOT KEY WITH THE PARAMETERS OF THE INSTRUMENT 1 Turn on the power supply 2 Insert the hot key 3 Enter the function Menu 4 Select the UPL fu...

Страница 44: ...family 3 Inside the family select the Pr1 1 Pr1 on the bottom display the current password value 1 on the top display Push the SET key to change the value that now is blinking 4 Use the UP or DOWN key to insert the NEW PASSWORD value then push SET to confirm the new value 5 The top display blinks for some seconds and then shows the next parameter 6 Exit the programming pushing SET UP together or w...

Страница 45: ...anged All the leds are off the parameter ca not be seen in Pr1 level Led 3 is on the parameter can be seen in Pr1 level Leds 1 2 are blinking and led 3 is on the parameter can be showed and changed in Pr2 showed but not changed in Pr1 Leds 1 2 3 are blinking the parameter can be showed and changed in Pr2 and in Pr21 In Pr2 level the user can not see and change any parameter of Pr3 level The MENU k...

Страница 46: ...r2 and Pr1 1 Keep pushed SET key 2 Push 1 time the DOWN key and the leds 3 and 4 should be on the parameter is now available also in Pr2 Pr1 To show the parameter only in Pr2 1 Keep pushed SET key 2 Push 1 time the DOWN key and the leds 3 is off the parameter is now available also in Pr2 To show the parameter only in Pr3 1 Keep pushed SET key 2 Push 1 time the DOWN key and the leds 3 and 4 are off...

Страница 47: ... control This selection is enabled if there is one digital input configured as start stop from remote remote chiller heat pump I non of the digital input are configure the unit remains in stand by The open status of the input forces the chiller running mode The closed status of the input forces the heat pump running mode The keyboard selection is disabled The key on the front panel can start stop ...

Страница 48: ... start in chiller mode if CF78 0 in heat pump if CF78 1 When the unit is running the corresponding led is on INPORTANT To change from chiller to heat pump and viceversa the unit must be set in stand by before continuing Push and release the key allows to start in heat pump mode if CF78 0 in chiller if CF78 1er When the unit is running the corresponding led is on INPORTANT To change from chiller to...

Страница 49: ...ween the information of the two circuits use the UP and DOWN key to select a label then push SET check the led Example in fig 1 Led cir1 is on the top display shows the value of the output evaporator temperature 7 8 C of the circuit 1 The bottom display shows Out 1 Push SET key to swap to the circuit 2 Fig2 Led cir2 is on the top display shows the value of the output evaporator temperature 7 9 C o...

Страница 50: ...circuit 2 dP01 5 NTC temperature probe of the common condenser water inlet Cin dP01 6 NTC temperature probe of the condenser water outlet Cou1 circuit 1 Cou2 circuit 2 dP01 7 NTC temperature probe of the common condenser water outlet Cout dP01 8 NTC temperature probe of the dynamic external air setpoint Et dP01 9 NTC temperature probe of the free cooling water inlet FCIn dP01 10 NTC temperature pr...

Страница 51: ...terminal 2 trt2 dP02 13 NTC temperature probe of the combined defrost dEF1 circuit 1 dEF2 circuit 2 dP02 14 NTC temperature probe of the condenser Cdt1 circuit 1 Cdt2 circuit 2 dP02 15 Pressure probe of the condenser 4 20mA 0 5V Cdt1 circuit 1 Cdt2 circuit 2 dP02 16 Pressure probe of the evaporator 4 20mA 0 5V LP1 circuit 1 LP2 circuit 2 dP02 17 Clock TOP DISPLAY CUSTOM EXAMPLE Parameter dP01 01 T...

Страница 52: ...how the same temperature it is possible to eccess the function menu under the function trEm 16 DISPLAY INFORMATION 16 1 SHOW THE SET POINT VALUE Push and release the SET key the leds of the circuits are off and the set value is displayed In stand by the bottom display shows SetC set chiller by pushing SET again the next label is SetH set heat pump If the unit is running the only set displayed is r...

Страница 53: ...label code Top display label rSt to reset or NO if it is not possible 4 Use the UP or DOWN to scroll the alarm list 5 Pushing SET when the rSt label is displayed the corresponding alarm will be reset then the display shows next alarm in the list pushing SET again the alarm is reset and the display shows next alarm etc Nothing happens by pushing SET when the label NO is displayed in this case push ...

Страница 54: ...d is possible to completely disable a single circuit for maintenance or to use just a cooling part of of the unit CrEn FUNCTION enables disables a circuit from keyboard Label involved with CrEn function Cr1E circuit 1 Cr2E circuit 2 DISABLE A CIRCUIT Enter the function Menu 1 Use UP or DOWN keys to select CrEn on the bottom display 2 Push SET key the bottom display Cr1E top display En 3 Select the...

Страница 55: ...only if the corresponding output is present and configured The running hours is displayed on the top display the resolution is x 10 hours eg 2 means 20 hours 20 means 200hours Enter the function Menu 1 Use the UP or DOWN keys to select Hour 2 Push SET key bottom display above labels top display hours x10 The time is on 3 Use the UP or DOWN keys to scroll the list 4 To exit the Hour function push M...

Страница 56: ...the value between 0 and 100 of the proportional output of the selected circuit 4 To exit the Hour function push MENU key or wait the timeout ATTENTION If the proportional output Pou1 Pou2 Pou3 Pou4 are configured to drive an external relay the display will show 0 relay off and 100 relay on 17 18 READ OUT OF THE TIME COUNTING TO THE NEXT DEFROST The 2 times delay to next defrosts of the two circuit...

Страница 57: ...r or HP the first pressure on SET key shows the actual setpoint SetC chiller or SetH HP labels while the top display shows the set value If the energy saving is active the next pressure on the SET key shows the label SEtr real setpoint and the top display shows the real set value active in that moment During the Energy Saving cycle the setpoint is incremented with these parameter values ES14 ES16 ...

Страница 58: ...ng the 1 st and 2 nd RTC periods unit on off enabled during the 1 st 2 nd 3 rd periods WEEKLY PROGRAMMING Repeat the daily programming for the other days of the week using parameters ES08 ES13 19 DYNAMIC SETPOINT The dynamic setpoint allows to increase or decrease the setpoint with a proportional value determined by Sd01 chiller and Sd02 HP that depends from the 4 20mA analogue input or from the e...

Страница 59: ...dynamic setpoint control or a NTC analogue input is configured as external air temperature for dynamic setpoint control With UP or DOWN keys within the circuit measurement read out is possible to show the external air temperature indicated by the Et label 19 1 DYNAMIC SETPOINT GRAPH 4 20ma probe configured as dynamic setpoint analogue input NTC probe with positive differential NTC probe with negat...

Страница 60: ...abled inverse action also during stand by or remote off 4 Function enabled inverse action only with unit running 20 1 AUXILIARY RELAY WITH DIRECT ACTION When PBr set relay ON Pbr set differential relay OFF Set PBr set differential previous status PBr NTC probe or transducer selected by the parameters uS02 uS06 20 2 AUXILIARY RELAY WITH INVERSE ACTION When PBr set relay ON Pbr set differential rela...

Страница 61: ...evaporator outlet water is 45 C all the compressors are OFF Thermoregulation parameters Par ST04 40 C Par ST08 5 C Functioning the regulation band ST08 5 C is divided by the number of resources 6 compressors therefore the step for each resource is 0 8 C each 0 8 C if the temperature is increasing or decreasing one of the resource is turned on or off Par ST08 Regulation band in heat pump mode The c...

Страница 62: ...NTC probe configured as evaporator probe outlet of the circuit 2 ATTENTION It is not possible to control the heaters of the crcuit 1 with the probe of the circuit 2 and viceversa Par Ar06 3 the thermoregulation the anti freeze alarm and the relay outputs for heaters circuit 1 and 2 or both together is controlled throughout the NTC probe configured as evaporator water outlet circuit 1 or circuit 2 ...

Страница 63: ...probe is faulty 23 4 CONDENSER ANTI FREEZE HEATERS REGULATION The regulation dependes on the configuration of the heater circuit 1 relay and heater circuit 2 relay and the corresponding NTC probes used to this control The parameter Ar08 is used to select the heaters probe control both for chiller and heat pump Par Ar08 0 The thermoregulation the alarm and the heater regulation are disabled Par Ar0...

Страница 64: ... under the Ar12 setpoint and the regulation water temperature detected by the evaporator probe is lower than Ar15 chiller or Ar17 Heat Pump the heaters are turned on while the compressor s and the condensing fan s are turned off The heating is made only by the heaters When the temperature rises above the Ar15 Ar16 regulation band in chiller or Ar15 Ar17 regulation band in HP the heaters are turned...

Страница 65: ...ircuits 2 step for each circuit total of 4 resources Activation The thermoregulation immediately requires all the 4 resources the controller turns on the compressor with less running hours then the compressor with less running hours of the other circuit Again the first circuit and it is turned on the 2 nd compressor then the second compressor of the other circuit De activation It is selected first...

Страница 66: ...ressor 1 27 5 COMPRESSOR START UP WITH PART WINDING First is turned on the PW motor coil 1 of the compressor 1 relay K1 of fig2 after the CO11 delay it is turned on the second motor coil of the same compressor relay K2 of fig2 To turn off the compressor the two relay outputs are both turned off at the same time Fig 2 27 6 PART WINDING START UP OF COMPRESSORS OR CAPACITY COMPRESSORS If one or more ...

Страница 67: ...d with the other two contactors Durning the CO13 time delay the step valve is forced on minimum power When the C013 is expired if the thermoregulation requires more power the valve will be switched off maximum power 28 CAPACITY CONTROL CO06 capacity control operative mode The relay configured as capacity control are managed by the thermoregulation as shown in the graph and into the tables here bel...

Страница 68: ...25 50 75 100 Compr compressor ON compressor ON compressor ON compressor ON Out relay Step N 3 OFF Step N 3 OFF Step N 3 OFF Step N 3 ON Out relay Step N 2 OFF Step N 2 OFF Step N 2 ON Step N 2 ON Out relay Step N 1 OFF Step N 1 ON Step N 1 ON Step N 1 ON Direct action with sequential step Compressor P1 P2 P3 Power involved 0 25 50 75 100 ATTENTION When working with capacity control in sequential s...

Страница 69: ...n time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will be on If the thermoregulation is stopped via digital input as remote off or from chiller heat pump keys during the pump down process the chiller or the heat pump led will b...

Страница 70: ...ected to the analogue input reaches the setpoint in CO37 If the last compressor stops before the pump down pressure switch because of the CO39 time out maximum compressor on time after turning off the P D solenoid valve the ICHILL calculates the AL21 parameter maximum number of pump down alarm per hour and if an alarm occurs the display will show the alarm code the buzzer and the alarm relay will ...

Страница 71: ... compressors each Having an active digital input as remote off if the compressor running hours are the same for all the compressors the unit will use the 1 st compressor of the 1 st and the 2 nd circuit therefore the number 1 and 4 If the running hours are not equal for all compressors the unit will use the compressor having the less running time this for any circuit configuration During the pump ...

Страница 72: ...pressure is not lower than CO44 CO45 UNLOADING IN HEAT PUMP MODE The compressor unloading in heat pump mode is managed by the analogue input configured as evaporator probe circuit 1 or 2 When the heat pump thermoregulation request begins to start the compressors if the evaporator pressure temperature is equal or bigger than CO46 setpoint the unloading process of that circuit probe is engaged The b...

Страница 73: ...pump mode It allows to start the supply fan only if the evaporating condensing probe temperature is hot enough to avoid to introduce cold air flows FA24 Hot start Setpoint It is the temperature setpoint to stop the supply fan when the NTC probe of the evaporator 1 output or the evaporator 2 output or the evaporator common output value is lower FA25 Hot start differential Temperature differential o...

Страница 74: ...ump flow with MANUAL alarm During the defrost and when the compressor is off in dripping time the pump fan is on 35 PUMP GROUP OF THE CONDENSER If two relay outputs are configured as condenser water pump and support pump of the condenser automatically the pump group control is enabled First start up of the unit the running hours of the two pumps are both 0 if CO21 1 or 2 continuous or on compresso...

Страница 75: ...ndent from the compressor off during the stand by or from remote OFF Parameter combination FA01 FA02 Par FA01 1 Par FA02 0 Fans on when the compressor on the fans work following the same output algorithm Par FA01 1 Par FA02 1 Independent from the compressor status but off in stand by Par FA01 2 Par FA02 0 Fans on with ON OFF regulation and with temperature pressure transducer control only when the...

Страница 76: ... set in FA03 then the speed follows the probe value The F04 delay in micro seconds allows to adjust the output for each kind of the fan motor If FA01 3 when the compressor starts up and the proportional regulation requires to turn off the fan cut off if FA14 0 the fan is forced at the minimum speed for the time set in FA14 itself if FA14 0 the function is disabled 37 3 CONDENSING UNIT COMMON OR SE...

Страница 77: ...1592015300 User manual iCHILL 200 L GB r1 3 09 09 2005 Pg 76 105 ...

Страница 78: ... if the dF09 timeout counting is not expired when the condensing evaporating temperature pressure is lower than dF20 setpoint for the dF19 time counting If during the dF19 time counting the condensing evaporating temperature pressure rises above the value dF20 dF21 set differential the function is disabled and the tF19 time is reloaded ATTENTION the forced defrost is not related to the dF09 dF06 d...

Страница 79: ...3 2 dF22 0 Yes not possible ACF1 not possible ACF1 dF22 1 Yes Yes Yes dF22 2 not possible ACF1 Yes not possible ACF1 ATTENTION The configuration error ACF1 is displayed if the parameter value of dF22 and dF23 is not permitted For only one condensing unit the dF22 and dF23 values must be not equal to 0 38 6 AUTOMATIC DEFROST PROCEDURE Phase 1 time counting of dF09 Interval defrost of the same circu...

Страница 80: ...inking and the defrost led is on 2 Start the dF08 2 half time time counting 3 Inversion valve de activated 4 Start the dF07 2 half time time counting all the regulation restarts and the defrost led in heat pump is off 38 7 OTHER INFORMATION ABOUT THE DEFROST FOR ALL THE UNIT WITH SAME DEFROST FOR THE TWO CIRCUITS If the unit is configured with one condenser see parameter FA05 0 common condenser 1 ...

Страница 81: ...to determine the beginning of a combined defrost After the dF09 counting the NTC probe of the combined defrost of the circuit 2 is compared to the dF12 setpoint if the value is lower the defrost starts otherwise the unit runs in heat pump mode and when the temperature decreases under dF12 the defrost immediately starts dF13 Temperature setpoint to end a combined defrost of the circuit 2 It allows ...

Страница 82: ...mes not active the recovery function runs for the time set in rC04 before stoppping Between the end and the next recovery function the instrument waits the time set in the parameter rC05 even if the digital input is activated again RECOVERY START AND STOP OF THE TWO CIRCUITS CONFIGURED WITH CAPACITY STEPS During the start and the stop of the fuction the time delay rC02 and rC03 are not counted and...

Страница 83: ... recovery valve is turned on and after the rC03 time this delay keeps off all the other steps after the recovery is started the other resources if necessary are turned on RECOVERY STOP OF THE TWO CIRCUITS CONFIGURED WITH MORE THAN ONE CAPACITY STEP Circuits 1 and 2 configured with more than one step of power eg each circuit with three compressors After the rC04 time delay minimum on time of the re...

Страница 84: ...al after AL16 events per hours Reset procedure in Menu function Icon Blinking Action Alarm Relay and buzzer on only during normal running conditions 41 3 ACFL CONDENSER FLOW ALARM DIFFERENTIAL PRESSURE SWITCH Label o the display ACFL condenser flow alarm Origin Available only for air water water water units Digital input active for the time set in AL15 after the water pump is on and after the digi...

Страница 85: ...nual the unit can be restarted 41 4 ATSF OVERLOAD ALARM OF THE SUPPLY FAN Label o the display AtSF Overload alarm of the supply fan Origin CF01 0 After on fan when the ID is activated for AL15 time After on pump when the ID is activated for AL17 Reset Digital input not active for AL18 time Restart Automatic Manual after AL16 events hour Reset procedure in Menu function Icon Blinking Action Alarm r...

Страница 86: ...3 ACF4 ACF5 ACF6 ACF7 ACF8 ACF9 CONFIGURATION ALARM OF THE UNIT Label on the display ACF1 Heat pump unit without 4 way valve not configured Defrost wrong parameters dF22 23 ACF2 Condensing control without probe configuration one probe per circuit with 2 separate circuits at least 1 probe for common cond Fan proportional control algorithm not respected FA09 FA11 FA12 FA10 FA12 FA13 FA07 FA15 FA08 F...

Страница 87: ...ime CO08 CO09 0 By pass gas when the by pass 0 Compressor Motor coil 2 center of the star with direct compressor start up Too much step valve ACF7 Evaporator pump Enabled CO16 0 but the relay is not configured Not enabled CO16 0 but the relay is configured Condenser pump Enabled CO21 0 but the relay is not configured Not enabled CO21 0 but the relay is configured ACF8 Thermoregulation probe The th...

Страница 88: ... lower than the lowest value compared between AL28 and AL36 Reset Chiller evaporator inlet NTC probe higher than AL26 AL27 differential Heat pump evaporator inlet NTC probe higher than AL33 AL34 differential n stand by or remote OFF the evaporator inlet NTC probe higher than AL26 AL27 or AL33 AL34 Restart Automatic Icon Blinking Action Alarm Relay and buzzer on 41 15 AEP1 AEP2 EVAPORATOR PUMPS SUP...

Страница 89: ...2AC anti freeze alarm of the circuit 2 in chiller b1Ac anti freeze alarm signalling of the circuit 1 in chiller b2Ac anti freeze alarm signalling of the circuit 2 in chiller Both the labels are displayed when the alarm is coming from the evaporator inlet probe or evaporator common outlet probe or when there is only one digital input configured Origin Normal conditions stand by remote OFF when the ...

Страница 90: ...be is higher than AL09 setpoint Reset If the condensing probe value is lower than AL09 AL10 differential Restart Manual Reset procedure in Menu function Icon Blinking Action Alarm Relay and buzzer on 41 22 B1LP B2LP LOW PRESSURE SWITCH CIRCUIT 1 OR 2 Label o the display b1LP low pressure switch circuit 1 b2LP low pressure switch circuit 2 Origin With the digital input is active If AL08 1 also in s...

Страница 91: ...tections Par AL11 Oil alarm delay after on compressor It allows to set a time delay before signalling the oil or the oil level switch alarms after the on compressor Par AL12 Duration of the pressure switch oil level switch in normal operating conditions Duration of the oil level switch activation during normal running condition It allows to set the time delay before signalling the alarm AL11 defin...

Страница 92: ...the circuit 1 b2CU unloading high temperature from condenser of the circuit 2 Origin When the temperature pressure of condenser probe control is higher then CO44 Reset When the temperature pressure of condenser probe is lower than CO44 CO45 differential After unloading is activated and after Par CO47 Restart Automatic Icon Blinkin Action Alarm relay buzzer OFF 41 31 B1CU B2CU UNLOADING FROM LOW CO...

Страница 93: ...ssors start up and digital input not active for the time set in CO39 Pump down transducer CO36 1 2 3 4 compressors start up and the set CO37 is not reached in the interval time CO39 Reset From thermoregulation start up and ID not active From thermoregulation start up with evaporating pressure higher than CO37 CO38 differential Restart Automatic Manual and logged after AL21 events per hour if AL23 ...

Страница 94: ...but not connected to regulator Atr2 keyaboard n 2 set up but not connected to regulator 42 AUTOMATIC TO MANUAL ALARM PROCEDURE NUMBER OF EVENTS PER HOUR Each hour counting is divided in 16 intervals each made of 3600 16 225 seconds 3 minuts and 45 seconds 1 Int 2 Int 3 Int 4 Int 5 Int 6 Int 7 Int 8 Int 9 Int 10 Int 11 Int 12 Int 13 Int 14 Int 15 Int 16 Int After the unit start up each interval is ...

Страница 95: ... boiler Yes 3 Yes ACFL Condenser flow alarm Yes Yes 3 Yes AtSF Fan supply overload alarm Yes Yes Yes Yes AEUn Unloading signalling from evaporator AtE1 Water pump overload alarm evaporator 1 Yes 4 Yes boiler 5 Yes Yes AtE2 Water pump overload alarm support evaporator 2 Yes 4 Yes boiler 5 Yes Yes AtC1 Water pump overload alarm condenser 1 Yes 4 Yes Yes AtC2 Water pump overload alarm support condens...

Страница 96: ...ompressors of the circuit n Compressors of the other circuit Fan condensing of the circuit n Fan condensing of the other circuit b n HP High pressure switch of the circuit n Yes Yes after 60 seconds b n LP Low pressure switch of the circuit n Yes Yes b n AC Anti freeze in chiller of the circuit n Yes Yes b n AH Anti freeze in heat pump of the circuit n Yes Yes b n hP High condensing pressure of th...

Страница 97: ...tion Compressor n Compressors not involved C n HP Compressor n high pressure switch Yes C n oP Compressor n oil pressure switch Oil level switch Yes C n tr Compressor n overload Yes C n dt Compressor high discharge temperature Yes C n dS Compressor n disabled from keyboard Yes C n Mn Compressor n maintenane n identifies the compressor 1 2 3 4 5 6 ...

Страница 98: ...OUNTING 45 1 PANEL CUT OUT The instrument must be mounted on vertical panel with panel cut out 150x31mm and screwed 2 screws 3 x 2mm in between distance 165mm The IP65 can be reached with the gasket RG L opzionale The ambient working temperature range should be between 0 60 C Avoid locations subject to heavy vibration corrosive gases or excessive dirt The same applies to the probes Ensure ventilat...

Страница 99: ...5 5 VERTICAL BOARDS VI620 VI820 PANEL CUT OUT The remote terminals are for panel mounting panel cut out 72x56 mm and screwed with two screws The IP65 can be reached with the gasket RGW V optional WALL MOUNTING use the vertical V KIT black white and grey as described in the following scheme ...

Страница 100: ...ted with the cable CAB CJ30 The remote panels have two terminals for 2 5 mm 2 wires The LW30 KIT is the complete kit with MOLEX 3 mt wires already connected and the STELVIO terminals Check the connecitons and the line voltage before turning on the power supply Keep low voltage cables such as analogue digital inputs outputs and probes away from power cables and terminals Respect the maximum load cu...

Страница 101: ...se N Neutral 5 6 Fan output Terminals 3 and 4 allows to connect another board in parallel to control two separate fans with the same input control Terminals 1 2 3 4 are for screw for a 2 5mm wire Terminals 5 6 F N are 6 3mm faston 47 2 INVERTER MICROFAN 380VAC UP TO 4KW OR 8KW Dixell models XV340GS power up to 8KW scheme 2 Scheme 2 47 3 TRANSFORMER The standard power supply is 12 volt AC DC or 24 ...

Страница 102: ...le screw terminal block 2 5mm2 Power supply 12Vac dc 10 15 24 Vac dc 10 50 60 HZ optional Power absorption 10VA max Inputs 10 NTC or 6 NTC 4 4 20ma 0 5Volt Digital inputs 18 free voltage Relay outputs 14 SPDT 5 2 A 250Vac Data storing on the non volatile memory EEPROM Operating temperature 0 60 C Storage temperature 30 85 C Relative humidity 20 85 no condensing Measuring range 30 70 C 22 158 F NTC...

Страница 103: ...1592015300 User manual iCHILL 200 L GB r1 3 09 09 2005 Pg 102 105 NOTE ...

Страница 104: ...1592015300 User manual iCHILL 200 L GB r1 3 09 09 2005 ...

Страница 105: ...00 User manual iCHILL 200 L GB r1 3 09 09 2005 Pg 104 105 Dixell S p A Z I Via dell Industria 27 32010 Pieve d Alpago BL ITALY tel 39 0437 98 33 fax 39 0437 98 93 13 E mail dixell dixell com http www dixell com ...

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