User manual

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IC200CX Series

User manual

Summary of content (114 pages)

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F IC200CX Series User manual
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INDEX 1 GENERAL ADVICE 6 2 GENERAL FEATURES 6 2.1 MAIN FUNCTION 6 3 IC200 CX TABLE OF THE FEATURES 8 4 USER INTERFACE 9 4.1 4.2 4.3 4.4 DISPLAY CONFIGURATION FORCED READ - OUT OF THE TOP AND BOTTOM DISPLAY ICONS MEANING MEANING / FUNCTIONNING OF THE BOTTOM DISPLAY LED 9 11 12 13 5 DISPLAY LAYOUT 5.1 5.2 HOW TO READ THE MEASUREMENT LIST READ PROBE VALUES OF CIRCUIT 1 OR 2 6 DISPLAY INFORMATION 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.
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12 FUNCTION MENU “ M” KEY 12.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 12.9 12.10 12.11 12.12 12.13 12.14 12.15 12.16 12.17 12.18 12.19 12.20 ALARM LIST: SHOW AND RESET COMPRESSOR OVERLOAD ALARM RESET COMPRESSOR OVERLOAD PASSWORD.
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23 PUMP DOWN 23.1 23.2 23.3 23.4 23.5 23.6 OFF UNIT WITH PUMP DOWN AND WITH LOW PRESSURE SWITCH CONTROL PUMP DOWN WITH DEDICATED PRESSURE SWITCH PUMP DOWN FUNCTION WITH DEDICATED PRESSURE PROBE PUMP DOWN ALARM DURING COMPRESSORS START- UP PUMP DOWN ALARM DURING COMPRESSORS SWITCHING OFF PUMP DOWN BY DELAY TIME 40 24 UNLOADING 24.1 24.2 24.3 24.4 24.5 24.6 24.
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33.10 33.11 END DEFROST BY LOW WATER OUTLET EVAPORATOR TEMPERATURE DEFROST PARAMETER DESCRIPTION 55 55 34 ENERGY SAVING 34.1 34.2 34.3 34.4 34.5 ENERGY SAVING: DIGITAL INPUT ACTIVATION ENERGY SAVING TIME TABLE WITH RTC RTC DAILY TIME TABLE PROGRAMMING ENERGY SAVING OR UNIT ON/OFF ACTIVATION WITH RTC PROGRAMMING UNIT ON/OFF ACTIVATION WITH RTC PROGRAMMING AND DIGITAL INPUT 35 DYNAMIC SETPOINT 35.
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39.42 KEYABOARD ALARM 77 40 AUTOMATIC TO MANUAL ALARM PROCEDURE 77 41 TABLE OF THE OUTPUT STATUS IN ALARM CONDITION 78 41.1 41.2 41.3 ALARM: “A” TYPE AND STATUS OF THE LOADS IN CASE OF ALARM ALARM: “B” TYPE AND STATUS OF THE LOADS IN CASE OF ALARM ALARM: “C” TYPE AND STATUS OF THE LOADS IN CASE OF ALARM 42 TABLE OF THE PARAMETERS 81 43 BLACK-OUT 99 44 WIRING CONNECTIONS 99 44.1 44.2 44.3 44.4 44.5 44.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 1 GENERAL ADVICE • • • PLEASE READ BEFORE USING THIS MANUAL This manual is part of the product and should be kept near the instrument for easy and quick reference. The instrument shall not be used for purposes different from those described hereunder. It cannot be used as a safety device. Check the application limits before proceeding. SAFETY PRECAUTIONS • Check the supply voltage is correct before connecting the instrument.
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1592022700 User manual iCHILL 200CX 2 Rel. 1.0 22/04/2009 GENERAL FEATURES iCHILL IC200CX is an electronic controller for chiller unit applications having one or two circuits: • Air/air • Air/water • Water/water • Motocondensing Additional features: • Heat pump with gas reversibility • Free cooling function • Recovery function 2.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 • Three different time bands per day (only for controller with RTC onboard) • From digital input Weekly ON/OFF: • Three different time bands per day (only with RTC onboard) Dynamic setpoint: • Determined by analogue NTC input or 4÷20mA current input.
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1592022700 User manual iCHILL 200CX Rel. 1.
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1592022700 User manual iCHILL 200CX 4 USER INTERFACE 4.1 DISPLAY CONFIGURATION IC 206CX / IC 208CX Remote keyboard Rel. 1.
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1592022700 User manual iCHILL 200CX Rel. 1.
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1592022700 User manual iCHILL 200CX PARAMETER VALUE 0 4.2 Rel. 1.
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92022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 • Condenser probe temperature Cdt1 / pressure CdP1 Bottom display of the circuit 1 • Evaporator pressure probe LP1 Top display of the circuit 2: Condenser probe temperature Cdt2 / pressure CdP2 Bottom display of the circuit 2 Evaporator pressure probe LP2 4.
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1592022700 User manual iCHILL 200CX 4.4 Rel. 1.0 22/04/2009 MEANING / FUNCTIONNING OF THE BOTTOM DISPLAY LED Led # 1 – 2 (With RTC) If the bottom display shows the RTC the leds are both blinking. Led # 1 – 2 In function Menu During the time counting to the next defrost for one or both circuits the leds are both blinking. LED during parameters programming In Pr2 level: led #3 indicates the visibility of the parameter; the led #1 and #2 show if the parameter can be modified or not.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 6 DISPLAY INFORMATION 6.1 READ THE SET POINT VALUE Push and release the SET key, 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 related to the running mode. 6.2 1) 2) 3) MODIFY THE SET POINT Push SET key for at least 3 seconds Use the UP or DOWN key to modify the setpoint.
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1592022700 User manual iCHILL 200CX 6.5 Rel. 1.0 22/04/2009 DISPLAY VISUALIZATION IN STD-BY It is possible to customise the visualization of the display when the unit is in STD-BY: Parameter dP4: 0= the display shows "STD-BY" 1= the display shows what defined by parameters dP1 and dP2 2= the display shows “OFF” dP4=0 dP4=1 The display shows what defined by parameters dP1 and dP2 dP4=2 6.
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1592022700 User manual iCHILL 200CX 6.7 Rel. 1.0 22/04/2009 KEY FUNCTION KEY ACTION Push and release Push once again FUNCTION Show chiller set point SetC and heat pump SetH In chiller or heat pump if the Energy saving or the Dynamic setpoint are enabled it shows the real setpoint Setr, the led is blinking.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 7 REMOTE TERMINAL The iCHILL can be connected to a remote keyboard (max 2 remote keyboards). The remote keyboard with probe on board can be used for the regulation of the machine. The maximum length of the cable is 150mt (shielded cable is recommended). Use the connection cable CAB/CJ30 (2x0.2 mm2) to interface the ichill connector to the shielded wire.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 9 ANALOG AND DIGITAL OUTPUT CONFIGURATION 9.1 ANALOG INPUT PB1 - PB2 – PB5 – PB6 Parameters involved: CF08 = Configuration PB1 CF09 = Configuration PB2 CF12 = Configuration PB5 CF13 = Configuration PB6 0. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
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1592022700 User manual iCHILL 200CX 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. Rel. 1.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Part Winding 1 of the compressor 2 34. Part Winding 2 of the compressor 2 35. Capacity step valve 1 compressor 2 36. By-pass gas valve compressor 2 start 9.5 ANALOG OUTPUT CONFIGURATION 0 ÷ 10 VOLT (OUT1 E OUT2) Parametri: CF43 = Analog output OUT1 configuration CF44 = Analog output OUT2 configuration 0 = output disabled 1 = 0..10V output for compressor 1 inverter controlled 2 = 0..10V output for compressor 2 inverter controlled 3 = 0..
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 10 PROGRAMMING WITH THE “HOT KEY 64” 10.1 DOWNLOAD: HOW TO PROGRAM AN INSTRUMENT WITH A PROGRAMMED “HOT KEY” 1. Turn off the instrument supply 2. Insert the hot key. 3. Turn on the power supply. 4. Immediately the parameters are downloaded. During the download the regulation is locked and the top display shows the “doL” blinking label.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 4. Change the value with UP or DOWN keys; 5. Push “SET” to confirm, after some seconds the display shows the next parameter; 6. Exit: Push SET + UP together when a parameter label is displayed or wait 15seconds without pushing a key. NOTE: a new parameter value is confirmed also after the 15 seconds of timeout is expired (without pushing SET key to confirm). 11.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Push SET key and the top display shows a blinking 0, with UP or DOWN insert the Pr2 password. Push SET and, if the value is correct, top display will show the first family of parameters “ALL”. Otherwise set the password again. 4. Select a parameter family with DOWN or UP keys. 5. Push SET to enter, the bottom display shows the first available parameter label while the top display shows its value.
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1592022700 User manual iCHILL 200CX 2. 1. 2. Rel. 1.0 22/04/2009 Push 1 time the DOWN key and the led 3 should be on, the parameter is now available in Pr1. To hide the parameter in Pr1: Keep pushed SET key; Push 1 time the DOWN key and the led 3 should be off, the parameter is now removed from Pr1. 11.9 MOVE A PARAMETER FROM PR3 TO PR2 TO PR1 Enter Pr3 programming level, here the parameter are all visible: Select the parameter, if all the leds are off the parameter is available only in Pr3.
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1592022700 User manual iCHILL 200CX 11.12 Rel. 1.0 22/04/2009 CHANGE THE POLARITY OF THE DIGITAL INPUTS-OUTPUTS Enter the programming: 1. Select a parameter with digital input/output value, the top display shows the label o before the configuration number while the bottom display shows the parameter label. 2. Push SET key: the o label and the configuration number are blinking, use the UP or DOWN key and select the proper polarity ( o / c ) of the function, then push SET key to confirm it all. 3.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 12.3 COMPRESSOR OVERLOAD PASSWORD. The default value is 0; to change this value enter Pr3 level, search AL60 parameter and modify its value. 12.4 ALARM LOG LIST ALOG FUNCTION TO SEE THE ALARM LOG The function and the alarm codes are visible only if there are alarm events. If many events are active at the same time the list displayed by increasing order. Enter the function Menu 1. Select ALOG 2. Push SET one time.
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1592022700 User manual iCHILL 200CX 12.10 Rel. 1.0 22/04/2009 READ-OUT OF A COMPRESSOR NOT ENABLED During the normal running condition a disabled compressor is displayed with a blinking label alternated with the measurement value of the display. If the compressor is disabled these the corresponding labels: C1dS = compressor 1 disabled, C2dS = compressor 2 disabled The label C1dS…C2dS are available only if the corresponding compressor is configured. 12.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Cond FUNCTION selects the proportional output 1 and 2. Label involved in Cond function. Cnd1 Proportional output status of the condenser fan of the circuit 1. Cnd2 Proportional output status of the condenser fan of the circuit 2. TO SEE THE OUTPUT PERCENTAGE: Enter the function menu 1. Use the UP or DOWN keys to select Cond. 2. Push SET key: the bottom display shows Cnd1, the top display shows the output percentage. 3.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Select with UP or DOWN the trEM function Push SET the trE1 or trE2 label is shown on the bottom display, the top display shows the probe value. Use the UP or DOWN arrow to change beteween trE1 or trE2 read-out. To exit to the normal display read-out push MENU or wait the time – out time.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 CF51 = 1 External air temperature probe > St12+ ST13 starts in heat pump. the unit starts in chiller, External air temperature probe < ST12 the unit 14 UNIT START - STOP The unit start sotp can be done from one of the following operations: • From keyboards • RTC Time table • Digital input configured as remote ON/OFF 14.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 With active contact if the unit is being switched off by keyboard it can be switched on by keyboard. If the unit is being switched off by keyboard, in order to switch on the unit from digital input it must be deactivated and activated. 14.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 To have the same regulation both for chiller and heat pump set the parameters ST09 and ST10 with the same value 16 THERMOREGULATION: PROPORTIONAL OR NEUTRAL ZONE Par. ST11 determines the type of regulation 0= Proportional 1= Neutral zone 16.1 GRAPH OF THE COMPRESSOR THERMOREGULATION IN CHILLER 16.2 GRAPH OF THE COMPRESSOR THERMOREGULATION IN HEAT PUMP 16.3 GRAPH NEUTRAL ZONE COMPRESSOR CONTROL Compressor regulation in chiller Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Compressor regulation in heat pump 17 COMPRESSOR STATUS INTO THE NEUTRAL ZONE A particular functioning is scheduled thruogh the rotation or the forced insertion of compressors or spteps during the loads functioning into the neutral zone Par. CO50 / CO51 in order to prevent an extended functioning without compressors functioning interruption.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 17.1 MAXIMUM TIME OF NEUTRAL ZONE STAY WITHOUT INSERTION OF RESOURCES WITH AT LEAS ONE RESOURCE INSERTED Par. CO50 With at least one compressor on, when the functioning is into the neutral zone, is calculated the time set by the par. CO50 after which is forced a compressor or partialization step insertion. The resolution is fixed on dozen minuts if the parameter value is 0 the function is deactivated. 17.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 When both compressors are activeted the thermoregulation is done with the variation of the capacity percentage. When the thermoregulation switches off the ON/OFF compressor, the controller manages the capacity percentage to follow the real request. UNIT IN HEAT PUMP Compressor activation: when the compressor is activated the capacity percentage is forced at the value configured in CO55 parameter.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 When the thermoregulation requests the activation of the second compressor. When both compressors are activated the thermoregulation is done with the variation of the capacity percentage. When the thermoregulation switches off the ON/OFF compressor, the controller manages the capacity percentage to follow the real request. Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 18 THERMOREGULATION AND COMPRESSORS ROTATION The CO13 parameter allows to choose the sequence of activation of the compressors. CO13= 0 Sequential. Depending on the thermoregulation: Activation sequence: COMP. 1 COMP.2 Deactivation sequence: COMP.2 COMP.1 CO13= 1 Rotation by hour. Depending on the time running hours the first compressor called by the thermoregulation is the one with less time running hours.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 20.4 PART WINDING This algorithm allows to reduce the start-up current when using hermetic or semi-hermetic compressors or medium – big screw compressors. Each compressor needs two relay outputs: • One is the PW motor coil 1 of the compressor; • One is the PW motor coil 2 of the compressor The time delay between the two outputs is determined by CO11 expressed in decimal of second.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 1= the steps are turned on in sequential mode, the outputs are anabled or disabled depending on the output polarity. In case of thermoregulation request one of the step is turned on or off while the other steps do not change their status. Eg: 1 capacity compressor with 3 partializations: 4 Power steps. Capacity Compr.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Having one compressor with 3 partializations, at the compressor start-up, with CO07=0, the partialization valve is enabled only for the time CO12 but it won’t be never used during the thermoregulation. After the compressor stops running the time CO12 will be reloaded.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 If the last compressor stops before the low pressure switch because of the CO33 time-out (maximum compressor on time after turning off the P.D. solenoid valve), the ICHILL calculates the AL28 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.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 If the last compressor stops before the pump down pressure switch because of the CO33 time-out (maximum compressor on time after turning off the P.D. solenoid valve), the ICHILL calculates the AL28 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.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 It is possible to have the pump down procedure also without pressostat or pressure trasducers ; in this case, by configuring CO52 and CO53, the compressor is switched off after CO52 time starting from pump down valve activation and switched on after CO53 time starting from pump down valve deactivation.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 24.6 REGULATION IN HEAT PUMP MODE 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 lower than CO43 setpoint the unloading process, of that circuit probe, is engaged.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 When the unit is in stand-by or remote off and the parameter Ar21=1, if the antifreeze thermoregulation requires the water pump is turned on. CO15 = 4: modulating control type 1. The water pump/ supply fan are running only if the unit is running (in chiller or heat pump). After giving the start in chiller or heat pump mode the compressor regulation starts only after the time delay CO16.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Note: During the defrost and when the compressor is off in dripping time the pump is on. 28 WATER PUMP OF THE CONDENSER 28.1 CONDENSER WATER PUMP CONTROL Operative mode of the condenser water pump CO20 = 0 Not enabled, pump not controlled. CO20 = 1: Continuous control type 1. The water pump is running only if the unit is running (in chiller or heat pump).
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 29.2 CONDENSER WATER PUMP ROTATION THROUGH DIGITAL INPUT CONTROL With two digital inputs configured as overload alarm of water pump and support pump the rotation is enabled when the digital input of the running pump becomes active. That pump is turned off while the other is forced on. If only one digital input is configured as condenser water pump alarm or only as condenser water pump alarm the active digital input alarm stops the corresponding pump.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Modulating control of the condenser pump in Chiller mode: Modulating control of the condenser pump in Heat pump mode: 31 CONDENSER FAN REGULATION With the parameters CF43..CF46 is possible to select the analog output (OUT1..OUT4) and the signal to manage the condenser fan in proportional mode. If the condenser fan is managed by PWM output, the parameter CF54 “Power supply frequency” has to be configured different to 0.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 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 compressor is on (at least one relay is configured as fan control). When the compressor turns off also the fans are forced off. Par. FA01 = 2 + Par.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 31.4 GRAPH: PROPORTIONAL REGULATION OF CONDENSER FANS 31.5 GRAPH: ON / OFF REGULATION OF THE CONDENSER FAN IN CHILLER MODE 31.6 GRAPH: ON / OFF REGULATION OF THE CONDENSER FAN IN HEAT PUMP MODE Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 32 THERMOREGULATION OF THE ANTI FREEZE, INTEGRATION HEATING OR BOILER 32.1 THERMOREGULATION OF THE HEATERS IN CHILLER The Par. Ar06 selects the probe/s control for the anti-freeze relay outputs configured as anti-freeze / support / boiler heaters for the circuits 1 and 2 in chiller mode. Par. Ar06 = 0: the function is disabled Par.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Par. Ar08 = 2: the heater 1 regulation is executed through the condenser water outlet NTC probe of the circuit 1. The heater 2 regulation is executed through the condenser water outlet NTC probe of the circuit 2. ATTENTION It is not possible to control the heaters of the circuit 1 with the NTC probe of the condenser water outlet of the circuit 2 and viceversa. Par.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 33 DEFROST CYCLE The defrost cycle starts only if all these steps are determined: Heat pump unit DF01≠0 (defrost enabled) The condenser/evaporator probe is configured (per circuit) (if the evaporator probe/s is/are defined, the defrost cycle is always controlled by it / them). 33.1 FORCED DEFROST The function is enabled if the parameter dF19<>0.
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1592022700 User manual iCHILL 200CX dF22=0 dF22=1 dF22=2 Yes Yes not possible (ACF1) Rel. 1.0 22/04/2009 not possible (ACF1) Yes Yes 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. 33.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 33.8 OTHER INFORMATION ABOUT THE DEFROST If the unit is configured with one condenser see parameter FA05: 0= common condenser; 1= separated condensers. For FA05=0, common condenser, the defrost of the two circuits starts at the same time. ATTENTION Before starting the 3rd phase, the dF06 counting (time delay between two circuits defrost) must be expired.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 dF06 defrost delay time between the 1st and the 2nd circuit. After the interval dF09 determined by the defrost request of one of the circuits the other 2nd circuits must wait also the time dF06 before defrosting. dF07 Compressor off time before the defrost (the led of the compressor is blinking) After the dF09 delay and before activating the defrost, the compressors are stopped for the dF07 time.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 dF26 Stop supply fan during defrost cycle 0= Not enabled 1= Enabled dF26 Probe selection for minimum temperature outlet during defrost This parameter allows to select which probe controls the outlet temperature to force the exit of the defrost dF27 Set point for minimum temperature outlet during defrost 34 ENERGY SAVING 34.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Example of a daily programming: Monday Enater parameter programming 1. In the ES parameter family, select the parameter ES07, the top display shows 0 - 0 2. Push SET key: the top display shows 0 - 0 blinking, with UP or DOWN keys select the corresponding function (see next table) : 3. Push SET to confirm. 4. Push SET + UP to exit the programming or wait the programming timeout.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 35 DYNAMIC SETPOINT The dynamic setpoint allows to increase or decrease the setpoint with a proportional value determined by Sd01 (chiller) and Sd02 (Heat pump) that depends from the 4..20mA analogue input or from the external air temperature probe. This function allows to save energy or run the unit when the external ambient is not within the normal operative conditions. The dynamic setpoint activation is signalled by the SET key led on.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 36 GEOTHERMAL FUNCTION The function manages an ON/OFF valve (relay) or modulated valve (signal 0..10V) to use, for example, a ground water as cooling integration.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 Analog output 0..10V: geothermal function configured on reverse action Analog output 0..10V: geothermal function configured on direct action 37 AUXILIARY FUNCTION 37.1 AUXILIARY FUNCTION ON RELAY OUTPUT The auxiliary relays can be configured to manage two independent, from heat pump or chiller mode, output controls. Each output can be managed with a dedicated temperature or pressure probe input ( NTC probe, 4..20mA or 0..
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 37.1.2 Auxiliary relay on reverse action PBr = NTC probe or transducer selected by the parameters uS02 / uS06 37.2 AUXILIARY FUNCTION ON ANALOG OUTPUTS The analog outputs OUT1…OUT4 can be configured as auxiliary output.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 38 LOAD MAINTENANCE PARAMETERS CO24..CO29 are the set of the running hour counters of the loads (compressors and water pumps). They establish, for each load, the number of running hours limit to display a maintenance message. If one of these parameters is equal to 0 the maintenance signalling is disabled but the running hours counter remains active. 38.1 LOAD MAINTENANCE RESQUESTS Label description C1Mn (maintenance comp.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 39 MESSAGES - ALARM CODES the alarm codes are defined by letters and numbers:. Alarm typology: • A = alarm of the unit • b = alarm of the circuit • C = alarm of the compressor 39.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 AL17/AL21 Maximum time flow switch alarm active befor to block the water pump It determines maximum time of flow alarm active before to block the water pump. ATTENTION With air/water or water/water units (CF01=1,2) the minimum number of events per hour is 1. 39.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 39.8 AFR: POWER SUPPLY FREQUENCY ALARM Label on the display Origin Reset Restart Icon AFr (Line frequency alarm) The power supply frequency is not equal to the Par. CF54 ± tolerance Ferquency control parameter adjusted, frequency within the tolerance Automatic Blinking Alarm relay + buzzer ON Action The alarm is disabled if CF54=0 39.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 39.12 ACF1 - ACF2 - ACF3 - ACF4 - ACF5 - ACF6 - ACF7 - ACF8 - ACF9 – ACF10 – ACF11 CONFIGURATION ALARM OF THE UNIT Label on the display ACF1 • Heat pump unit without 4-way valve not configured • Wrong configuration of defrost parameters dF22/23 ACF2 • Condensing control without probe configuration. (one probe per circuit with 2 separate circuits, at least 1 probe for common cond.
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1592022700 User manual iCHILL 200CX Rel. 1.
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1592022700 User manual iCHILL 200CX 39.13 ARTF CLOCK FAILURE Label on the display Origin Reset Restart Icon Action Regulation Loads Energy saving Unit ON/OFF 39.
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1592022700 User manual iCHILL 200CX Origin Rel. 1.0 22/04/2009 Icon Action During normal running condition when the temperature/pressure of evaporator water inlet is lower than AL69 setpoint. The alarm is not signalled for AL68 seconds starting from compressor activation.
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1592022700 User manual iCHILL 200CX Chiller: evaporator inlet NTC probe higher than AL33 + AL34. Heat pump: evaporator inlet NTC probe higher than AL42 + AL43. In stand-by or remote OFF: the evaporator inlet NTC probe higher than AL33+AL34 or AL42+AL43. Automatic Reset Restart Icon Action 39.20 Blinking Alarm Relay + and buzzer on AEP1 - AEP2 EVAPORATOR PUMPS / SUPPLY FAN MAINTENANCE REQUEST Label on the display Activation Reset Restart Icon Actions REGULATIONS Actions Loads 39.
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1592022700 User manual iCHILL 200CX 39.23 B1LP - B2LP Label on the display Origin Reset Restart Icon Action Rel. 1.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 air. After the AL44 delay if the anti-freeze probe is still lower than AL42 setpoint for AL45 seconds the unit is locked again with an antifreeze alarm. 39.26 B1HP - B2HP Label on the display b1hP (high pressure analog input of the circuit #1) b2hP (high pressure analog input of the circuit #2) In chiller or heat pump, if the condensing probe is higher than AL09 setpoint.
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1592022700 User manual iCHILL 200CX 39.30 B1EU – B2EU: Rel. 1.0 22/04/2009 UNLOADING FROM LOW TEMPERATURE OF THE EVAPORATOR WATER OUTLET Label on the display Origin Reset Restart Icon Blinking Alarm relay + buzzer Action Regulation Compressor Other loads 39.31 OFF Not modified C1HP - C2HP COMPRESSOR HIGH PRESSURE ALARMS Label on the display Origin Reset Restart Icon Action Regulation Compressor Other loads 39.
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1592022700 User manual iCHILL 200CX 39.34 Rel. 1.
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1592022700 User manual iCHILL 200CX 39.38 B1PH - B2PH: Rel. 1.0 22/04/2009 PUMP DOWN STOP ALARM FROM PRESSURE SWITCH / LOW PRESSURE SWITCH Label on the display b1PH (Pump down stop alarm of the circuit 1) b2PH (Pump down stop alarm of the circuit 2) Pressure switch: if CO30 = 1,2,3,4 and ID not active, the pump down stops because of the timeout CO33. Transducer: if CO30 = 1,2,3,4 and the set CO31 is not reached: the pump stops because of the timeout CO33.
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1592022700 User manual iCHILL 200CX 39.41 Rel. 1.0 22/04/2009 ALARM RELAY AND BUZZER Alarm relay / buzzer outputs Origin Alarms still active Alarms not reset Whitout alarms In stand- by or remote ON-OFF if AL59 = 1 By pushing one of the key of the front panel Reset relay alarm Buzzer silencing The alarm relay is enabled only by configurating the corresponding output resource. 39.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 41 TABLE OF THE OUTPUT STATUS IN ALARM CONDITION The alarm codes are made of letters and numbers to define the different typologies:. 41.
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1592022700 User manual iCHILL 200CX AC11 AEht (1) (2) (3) (4) (5) Rel. 1.0 22/04/2009 Configuration alarm High water temperature inlat evaporator Yes Yes Yes Yes Yes Yes = with probe configured as anti-freeze / boiler control and Ar10 = 0 = with probe configured as auxiliary relay control = with manual alarm procedure = Off compressors spenti with only 1 water pump configured or with 2 pumps but both in alarm from the corresponding digital inputs.
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1592022700 User manual iCHILL 200CX C(n)oP C(n)tr C(n)dt C(n)dS C(n)Mn Rel. 1.0 22/04/2009 Compressor(n) oil pressure switch / Oil level switch Compressor(n) overload Compressor high discharge temperature Compressor (n) disabled from keyboard Compressor(n) maintenance Yes Yes Yes Yes (n) identifies the compressor 1, 2 , 3 , 4 , 5 , 6 Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.
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1592022700 User manual iCHILL 200CX Parameter dP 1 dP 2 dP 3 dP 4 dP 5 dP 6 dP 7 dP 8 Pr1 Pr2 Pr3 Parameter CF 1 CF 2 CF 3 CF 4 CF 5 CF 6 CF 7 Rel. 1.
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1592022700 User manual iCHILL 200CX CF 8 CF 9 CF 10 CF 11 CF 12 CF 13 Rel. 1.0 22/04/2009 PB1 Configuration If configured as digital input PB2 Configuration If configured as digital input PB3 Configuration If configured as digital input PB4 Configuration If configured as digital input PB5 Configuration If configured as digital input PB6 Configuration If configured as digital input 0 o1 0 o1 0 o1 0 o1 0 o1 0 o1 18 C38 18 C38 23 C38 23 C38 18 C38 18 C38 -12.0 21 -12.0 21 -12.0 -21 -5.0 -72 -12.0 -21 -5.
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1592022700 User manual iCHILL 200CX CF 44 Rel. 1.0 22/04/2009 CF 49 OUT 4 configuration 0= Not enabled 1= 0..10V signal for compressor 1 inverter controlled 2= 0..10V signal for compressor 2 inverter controlled 3= 0..10V signal for auxiliary output 1 4= 0..10V signal for auxiliary output 1 5= 0..10V signal for geothermal function 6= 0..10V signal for condenser fan circuit 1 7= 0..
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1592022700 User manual iCHILL 200CX Rel. 1.
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1592022700 User manual iCHILL 200CX CO 6 CO 7 CO 8 CO 9 CO 10 CO 11 CO 12 CO 13 CO 14 CO 15 CO 16 CO 17 CO 18 CO 19 Rel. 1.
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1592022700 User manual iCHILL 200CX CO 20 Rel. 1.0 22/04/2009 CO 31 Operative mode of the condenser pump 0= Not enabled 1= ON/OFF: continuous operation type 1 When the unit is running in Chiller or Heat Pump the pump is running. In std-by or remote OFF mode, the pump is OFF. 2= ON/OFF: on if called by compressor When a compressor is running, the pump is running. 3= ON/OFF: continuous operation type 2 When the unit is running in Chiller or Heat Pump or in STD-By or in OFF, the pump is running.
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1592022700 User manual iCHILL 200CX CO 47 CO 48 CO 49 CO 50 CO 51 CO 52 CO 53 CO 54 Rel. 1.0 22/04/2009 Minimum ON time of the capacity step after the unloading function start (only for 0 capacity compressor) Compressor liquid injection Setpoint of the solenoid valve (on) of the liquid injection 0 32 Setpoint of the solenoid valve (off) of the liquid injection 0.
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1592022700 User manual iCHILL 200CX CO 82 Rel. 1.0 22/04/2009 CO 83 CO 84 CO 85 Time at maximum speed during the switching off of the pump Modulating condenser water pump Probe selection (Pb1..Pb6) for modulating condenser water pump in chiller Probe selection (Pb1..
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1592022700 User manual iCHILL 200CX Rel. 1.
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1592022700 User manual iCHILL 200CX FA 1 FA 2 FA 3 FA 4 FA 5 FA 6 FA 7 FA 8 FA 9 FA 10 FA 11 FA 12 Rel. 1.
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1592022700 User manual iCHILL 200CX FA 21 FA 22 FA 23 Rel. 1.0 22/04/2009 Proportional speed control FA01 = 4 CUT-OFF differential in heat pump. To set a temperature/pressure differential to stop the fan. ON/OFF regulation FA01 = 2/3 Differential step circuit n° 2 Over ride CUT- OFF in Heat pump. To set a temperature/pressure differential to keep the minimum fan speed. FA 24 Night speed in Heat pump. To set the maximum fan speed percentage value (30..100%), it is related to the fan power supply.
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1592022700 User manual iCHILL 200CX Ar 14 Rel. 1.0 22/04/2009 Time delay before turning the boiler on 0 250 Min 50.0 -58 0.1 0 70.0 158 25.0 45 °C °F °C °F Dec int Dec int 50.0 -58 0.1 0 50.0 -58 0.1 0 70.0 158 25.0 45 70.0 158 25.0 45 °C °F °C °F °C °F °C °F Dec int Dec int Dec int Dec int 0 1 0 4 -50.0 -58 0.1 1 0 0 0 70.0 158 25.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 dF 18 Pressure / temperature setpoint to force the ventilation ON during the defrost. dF 19 dF 20 Forced defrost Minimum time delay before a forced defrost Pressure / temperature setpoint for a forced defrost dF 21 Forced defrost differential -50.0 -58 0.0 0 70.0 158 50.0 725 °C °F bar psi Dec int Dec Int 0 -50.0 -58 0.0 0 0.1 1 0.0 0 250 70.0 158 50.0 725 25.0 45 14.
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1592022700 User manual iCHILL 200CX AL 8 Rel. 1.0 22/04/2009 AL 9 Low temperature/pressure alarm with unit in OFF or stand – by: 0 = Not enabled 1= Alarm enabled High Alarm High temperature/pressure alarm from analogue input AL 10 High temperature/pressure alarm differential from analogue input AL 31 Oil Alarm Low oil pressure / level delay from digital input Minimum time for low oil pressure / level from digital input activation in normal working condition.
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1592022700 User manual iCHILL 200CX AL 33 Rel. 1.
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1592022700 User manual iCHILL 200CX AL 52 AL 53 AL 54 AL 55 AL 56 AL 57 AL 58 AL 59 AL 60 AL 61 AL 62 AL 63 AL 64 AL 65 AL 66 AL 67 AL 68 AL 69 AL 70 AL 71 AL 72 AL 73 AL 74 AL 75 AL 76 AL 77 AL 78 Rel. 1.
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1592022700 User manual iCHILL 200CX AL 79 AL 80 Pr1 Pr2 Pr3 Rel. 1.0 22/04/2009 Probe 1 selection for Inlet / outlet water tempearture differential alarm Allows to select which probe value NTC/PTC Pb1..Pb6 Probe 2 selection for Inlet / outlet water tempearture differential alarm Allows to select which probe value NTC/PTC Pb1..Pb6 Password Password Password 0 0 0 1 6 1 6 999 999 999 Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 43 BLACK-OUT After the black-out is restored: 1. The instrument restores the same operating mode lost after the supply failure. 2. If active, the defrost is aborted. 3. All the timers and time parameters are reloaded. 4. The manual alarm is not reset. 44 WIRING CONNECTIONS 44.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 44.2 HARDWARE RESOURCES FOR 208CX MODELS 8 digital outputs (relays) MAX current on the relay contacts relè 5(2)A 250V - MAX common current 10A 250V 11 digital inputs (free of voltage) 6 analogue inputs: • 4 NTC / PTC probes • 2 NTC / PTC / pressure transducer 4÷20 mA / pressure transducer ratio-metric 0÷ 5.0 Volt 4 modulating outputs: • 2 configurable 0 ÷ 10 Volt • 2 configurable 0 ÷ 10.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 44.4 DIGITAL INPUTS GND = common terminal ID1…ID11 = digital inputs 44.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 44.6 ANALOG INPUT FOR PRESSURE RATIOMETRIC TRANSDUCER PPR30 (0 ÷ 5V SIGNAL) +5V = power supply for pressure transducers GND = ground for pressure transducers Pb3 and Pb4 = pressure transducer inputs Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 45 PWM OUTPUT FOR CONDENSING FAN SPEED CONTROL OUT3 and OUT4 = cut of phase signals for the modulation of the condenser fan GND = ground for pressure transducers The compatible modules are the following: XV05PK mono-phase , cut phase control 500 Watt (2A) XV10PK mono-phase , cut phase control 1000 Watt (4A) XV22PK mono-phase , cut phase control 2200 Watt (9A) 45.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 45.2 PROPORTIONAL OUTPUTS CONFIGURED FOR AUX RELAY CONTROL OUT3 and OUT4 = signals for relays GND = ground 45.3 HOT KEY 64 CONNECTION Pg.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 45.4 XJ485CX CONNECTION The XJ485CX interface is a signal converter (from TTL to RS485). The RS485 uses two terminals (+) and (-) that must be connected respecting the polarity. Use the CAB/RS02 to connect the XJ485 interface to the TTL connector.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 45.5 REMOTE KEYBOARD VI620CX Can be used max. 2VI620CX remote keyboards. Use shielded cable for the connection up to 150mt maximum. In case of communication failure the upper display shows “noL” (no link). Use the CAB/CJ30 to interface the ichill connector to the shielded cable. 46 INSTALLING AND MOUNTING 46.1 PANEL CUT- OUT The instrument must be mounted on vertical panel, with panel cut-out 71x29mm, and fixed using the special bracket supplied.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 46.2 VERTICAL BOARDS VI620CX 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).
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 47 ELECTRICAL CONNECTIONS The instrument is provided with: • 2 removable terminal blocks MOLEX MICROFIT 14 and 18 ways for power supplay / digital and analogue inputs and modulating outputs • 1 removable terminal blocks AMP 12 ways for the relay outputs • 5 ways connector for TTL RS485 interface outputs.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 48.2 WIRING KIT CWCXA15-KIT e CWCXA30-KIT: wiring kit for IC206CX (lenght of 1,5mt or 3mt) CWCXB15-KIT e CWCXB30-KIT: wiring kit for IC208CX (lenght of 1,5mt o 3mt) 48.3 TRANSFORMER The TF10 trasnformer models: 230/12 Vac , 230 /24 Vac, 110 / 12 Vac, 24 / 12 Vac 48.4 XJ485CX TTL/RS485 converter to connect the Ichill to a monitoring system 48.5 RT314 KIT Relay module (DIN rail mounting) 48.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 49 TECHNICAL DATA Housing: self extinguishing ABS. Case: frontal 32x74 mm; depth 60mm Mounting: panel mounting in a 29x71mm panel cut-out Frontal protection: IP65 Display: Top Display 4 digits with d.p. Bottom Display 4 digits with d.p. Power supply: 12Vac -10%÷+15% or 24 Vac/dc ±10% 50/60 Hz Power absorption: 10VA max. Analog Inputs: 4 configurable (NTC/PTC/dig. input) + 2 configurable (NTC/PTC/4÷20ma/0÷5Volt/dig.
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1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009 NOTE 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.