Emerson Dixell iCHiLL IC206CX Installing And Operating Instructions
  1. Manuals
  2. Brands
  3. Emerson Manuals
  4. Measuring Instruments
  5. Dixell iCHiLL IC206CX
  6. Installing and operating instructions
Emerson Dixell iCHiLL IC206CX Installing And Operating Instructions

Emerson Dixell iCHiLL IC206CX Installing And Operating Instructions

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Dixell iCHiLL IC206CX and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Emerson Dixell iCHiLL IC206CX

Summary of Contents for Emerson Dixell iCHiLL IC206CX

  • Page 2: Table Of Contents

    INDEX GENERAL WARNING ....................4 ICHILL 206CX/IC208CX FEATURES ................. 5 USER INTERFACE ....................6 HOW TO READ PROBES VALUE ................11 OTHER DISPLAY VISUALIZATION ................ 12 REMOTE TERMINALS ..................... 14 FIRST INSTALLING ....................17 PARAMETERS PROGRAMMING ................17 FUNCTION MENU ....................22 HOW TO SWITCH ON / SWITCH OFF THE UNIT AND HOW TO SELECT OPERATION MODE (COOLING / HEATING) ..............
  • Page 3 AUXILIARY RELAYS ....................88 AUXILIARY PROPORTIONAL OUTPUTS ............... 91 PROBE SELECTION FOR REGULATION WITH SELECTABLE PROBE ....94 ENERGY SAVING AND DEVICE SWITCHING ON BY PROGRAM SCHEDULE ... 95 DYNAMIC SETPOINT ....................97 BY-PASS GAS VALVE .................... 99 MASTER / SLAVE FUNCTION ................102 OPERATION RELATED TO THE REAL TIME CLOCK .........

  • Page 4: General Warning

    1. GENERAL WARNING 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.

  • Page 5: Ichill 206Cx/Ic208Cx Features

    Should the product be disposed of incorrectly, sanctions may be applied as stipulated in applicable local regulations regarding waste disposal. 2. ICHILL 206CX/IC208CX FEATURES CHARACTERISTICS IC206CX IC208CX N° KEYS   RELAYS   DIGITAL INPUTS Configurable Configurable ANALOG INPUTS 4 NTC –...

  • Page 6: User Interface

    3. USER INTERFACE Meaning of the LEDs 3.1 DISPLAY AND ICONS ICON MEANING / FUNCTIONNING °C ON when a temperature or pressure is visualized °F ON when the compressor is active Blinking = when a compressor activation is delayed (minimum OFF time, delay after water pump activation, etc.) General alarm: blinking in case of alarm Anti freeze heaters/ integration heating / boiler: ON if the heaters are switched ON...

  • Page 7: Parameter Value

    ON when menù button is pressed ON when an auxiliary output is active ON if the Ichill is swithed ON in cooling or heating ON when the free cooling is active ON in defrost Blinking during defrost activation delay 3.2 UPPER & LOWER DISPLAY CUSTOMIZATION It is possible to select wich probe has to be visualized on the upper &...
  • Page 8 Cou1 circuit 1 condenser 1 or condenser 2 water outlet Cou2 circuit 2 common condenser water outlet Cout outlet temperature free cooling temperature FCIN remote terminal 1 temperature trE1 remote terminal 2 temperature trE2 dEF1 circuit 1 combined defrost tempereature dEF2 circuit 2 domestic hot water temperature 1 SAn1...
  • Page 9 dEF1 circuit 1 combined defrost tempereature dEF2 circuit 2 domestic hot water temperature 1 SAn1 domestic hot water temperature 2 SAn2 solar panel temperature SoLE recovery temperature Cdt1 circuit 1 condenser temperature Cdt2 circuit 2 PTC probe of cooling regulation CdP1 circuit 1 condenser pressure CdP2 circuit 2...
  • Page 10 3.8 DISPLAY VISUALIZATION IN REMOTE OFF Digital input configured as remote ON/OFF: the active input sets the unit in OFF (even when the unit is a condensing unit). The upper display shows “OF.F ”, the led of the decimal point is blinking. 3.9 DISPLAY VISUALIZATION IN STD-BY It is possible to customise the visualization of the display when the unit is in STD-BY: Parameter dP10:...

  • Page 11: How To Read Probes Value

    3.10 DISPLAY VISUALIZATION IN CONDENSIG UNIT If the Ichill is used to control a condensing unit (CF03=1):  and a digital input has to be configured as “cooling request”; in case of cooling request the display shows “OnC”  and a digital input has to be configured as “heating request”; in case of heating request the display shows “OnH”...

  • Page 12: Other Display Visualization

    Pushing key it is possible to read the valure of the probes connected to the instrument. Every probe is identified by a label (see display visualization table). Example: Fig.1: upper display shows outlet 1 evaporator temperature, the lower display shows Out1. Pressing SET key is possible to read the same probe of the second circuit (if configured).

  • Page 13: Key Function

    Chiller mode: push SET one time, the bottom display shows the SEtH (set Heat pump) while the top display shows the set value. Only if the Energy saving or the Dynamic Setpoint are active, pushing another time the SET key, the bottom display shows “SEtr” (real setpoint), and the top diplay shows the setpoint that the unit is really using for the thermoregulation.

  • Page 14: Key Combinantion

    Push for 1 second during the 1 time shows the Pr2 programming level programming when the display 2 times shows the Pr3 programming level visualize Pr1 or Pr2 or Pr3 Push once To read probes value Pushing once during the To change the group of parameters, to change the programming parameter, to change the value of the parameter...
  • Page 15 Remote terminal V2I820 The main window shows the temperature / pressure measured by the main probe of the machine. Some icons indicate the activation of the main loads (compressors, water pumps, fans, heaters), the status of the machine (production of hot water, defrost, unloading, energy saving and alarm): •...
  • Page 16 Allows to read the value of the probes Allows to read/modify the set point configured in the Ichill Allows to switch on the Ichill in heating Allows to read the alarms or cooling mode (see parameter CF78) Allows to switch on the Ichill in heating Allows to enter the SERVICE menù...

  • Page 17: First Installing

    Main loads and functions status OFF key, cooling ON key, heating ON key, alarm menu key, service menu key 7. FIRST INSTALLING 7.1 ON BOARD CLOCK (OPTIONAL) If giving power supply the bottom display shows “rtC” alternated with a temperature or pressure value, It is necessary to set the internal clock.

  • Page 18: Programming Using The Keyboard

    “Err” if the programming procedure has found an error and the parameter have not been transferred. Repeat the procedure. To exit the UPL function push the MENU key or wait the time-out (15 sec). 8.2 PROGRAMMING USING THE KEYBOARD Through the instrument keyboard it is possible to enter the programming. In all the three accessible levels the user can show and modify both value and visibility of the parameters.
  • Page 19  If the selected parameter can not be changed the leds 1 and 2 are blinking.  In Pr1 level the user can not see and change any parameter of Pr2 and Pr3.  The MENU key allows to exit from a family to reselect another without exit the Pr1 level. ...
  • Page 20 5. Push SET to enter, the bottom display shows the first available parameter label while the top display shows its value. The user can shows and modify all the paramters belonging to this family. Parameter status, leds and bottom display in Pr3 ...
  • Page 21 2. Select a whatever parameter family 3. Search “Pr3” label; push SET key to change the value that now is blinking. 4. Use UP or DOWN key to insert the NEW PASSWORD value, then push SET to confirm the new value. 5.

  • Page 22: Function Menu

    o (open) = function associated to the input or output is active when the contact is open c (close) = function associated to the input or output is active when the contact is closed The number defines the function associated to the input or output. Example: The bottom display shows the parameter label CF37 = digital input 8 configuration: ...
  • Page 23 Nothing happens by pushing SET when the label NO is displayed, in this case push UP or DOWN to move to another alarm label. Manual alarm reset if password is requested Enter the MENU function pushing MENU key: 1. Push UP or DOWN key to select the AlrM label 2.
  • Page 24 9.3 PASSWORD RESET ALARM LOG Default value is 4. 9.4 CrEn: DISABLE – ENABLE A CIRCUIT Enter the MENU function pushing MENU key: 1. Push UP or DOWN key to select CrEn 2. Push SET key: the lower display shows Cr1E, the upper display shows En 3.
  • Page 25  PSud (solar panle water pump disabled)  PFcd (free cooling water pump disabled) 9.9 COSN: NUMBER OF COMPRESSOR STARTS-UP The number of starts-up is expressed in tens of starts-up (eg. 2 = 20 starts). Enter the MENU function pushing MENU key: 1.
  • Page 26 9.14 Hour: RESET THE RUNNING HOUr Enter the MENU function pushing MENU key: 1. Push UP or DOWN keys to select HOUr 2. Push SET key; the lower display shows CO1H, the upper display shows running hours 3. Push UP or DOWN keys to select the desired compressor 4.
  • Page 27 FCrL Free cooling water pump status FCAn Free cooling analog output status 9.19 READ-OUT OF THE PROBES CONFIGURED TO CONTROL SOLAR PANEL Enter the MENU function pushing MENU key: 1. Push UP or DOWN keys to select Sol 2. Push SET key: the lower display shows SLPb, the upper display shows the temperature 3.

  • Page 28: On Board Clock (Optional)

    En / diS flashing Push UP or DOWN key to modify the heat recovery status (enable or disable) Push SET to confirm  Through UP or DOWN key it is possible to visualize the status of heat recovery valves rEC1 is showed in upper display, ON / OFF is showed in lower display rEC2 is showed in upper display, ON / OFF is showed in lower display 9.24 ON BOARD CLOCK (OPTIONAL) If giving power supply the bottom display shows “rtC”...
  • Page 29 it is not possible to change directly from heating to cooling or viceversa; it is necessary to put the device in std-by and then switch on the device in the desired mode. 10.2 SWITCH ON / SWITCH OFF THE ICHILL BY DIGITAL INPUT If a digital input is configured as remote ON/OFF: ...

  • Page 30: Compressor Regulation

    11. COMPRESSOR REGULATION CF74 Working mode of the compressor 0 = chiller and heat pump 1 = only chiller 2 = only heat pump It is possible to decide how many compressors are used in chiller, heat pump and domestic hot water production.

  • Page 31: Proportional Or Neutral Zone Regulation

    2= evaporator 2 outlet temperature 3= common evaporator outlet temperature 4= remote terminal 1 internal probe (VICX610 keyboard) or Visograph 2.0 internal temperature probe 5= remote terminal 2 internal probe (VICX610 keyboard) or Visograph 2.0 remote temperature probe 6= common condenser inlet temperature 7= condenser 1 inlet temperature 8= condenser 2 inlet temperature 9= condenser 1 outlet temperature...
  • Page 32 12.1 NEUTRAL ZONE REGULATION Compressor regulation in chiller  If the regulation temperature increases over the cooling set point + band, the device switch-on the compressors; each compressors is activated with a delay of CO3 seconds from the previous one ...

  • Page 33: Compressors Management

     If the regulation temperature increases over heating set point, the device switch-off the compressors; each compressors is de-activated with a delay of CO4 seconds from the previous one The activation of the compressors has to respect their safety time (minimum ON time, minimum OFF time, etc.).
  • Page 34 First compressor to be activated is the compressor with less working hours; next compressor to be activated follows the same rule. CO14= 2 Rotation by starts-up First compressor to be activated is the compressor with less start-up; next compressor to be activated follows the same rule.
  • Page 35 Fig 2 Part Winding start- up of Compressors or capacity compressors If one or more capacity compressors are configured and the thermoregulation requires the full load start-up: the controller turns the solenoid valve on, after 1 second the first motor part of the 1 compressor (relay K1 of Fig.
  • Page 36 Capacity step 1 Capacity step 2 Capacity step 3 * If CO07=2 o CO07=3 (screw compressor) 25% valve is ON if the Ichill is ON and at set poiont reached; 25% valve is OFF if the Ichill is STD-BY or OFF ...

  • Page 37: Compressor Inverter Controlled

    due to the high number of activations and de-activations, the function must be used by configuring an analog output as “By-pass gas valve compressor” (in this case the analog output works in ON/OFF mode) and connect it to an external SSR relay (chech analog output characteristic to select the right SSR relay).
  • Page 38 To increase or decrease the power the compressor works by step of 1% of the power; every step is delayed by CI16 at the start-up of the compressor and CI25 when the compressor works normally. When the compressor inverter controlled is activated, it works at power configured by CI15 parameter for CI14 seconds;...
  • Page 39 TWO COMPRESSORS INVERTER CONTROLLED OPERATING MODE: CHILLER TWO COMPRESSORS INVERTER CONTROLLED OPERATING MODE: HEAT PUMP User manual IC200CX EVO EN rel. FW 4.9 rev. 1.0.docx IC200CX 39/196...
  • Page 40 Parameters involved: CI10 Inverter compressor percentage request to switch it on CI11 Inverter compressor unloading decreasing step CI12 Inverter compressor unloading decreasing delay CI13 Inverter compressor: maximum capacity when power reduction is active CI14 Inverter compressor : time at max capacity CI15 Inverter compressor : capacity start-up CI16...
  • Page 41 The compressor modulates the power according to the thresholds set in the appropriate parameters; up to 8 power steps (defined in power %) are available. At power-on the compressor is forced at the speed set by CI15 parameter; the % power set in this parameter must correspond to the percentage set in one of the steps set by the parameters CI02..CI09.

  • Page 42: Compressors With Different Capacity Power

    CI19 Inverter compressor: time at the maximum capacity CI20 Inverter compressor: maximum on time CI21 Inverter compressor: compressor 1 minimum capacity CI22 Inverter compressor: compressor 1 maximum capacity CI23 Inverter compressor: compressor 2 minimum capacity CI24 Inverter compressor: compressor 2 maximum capacity CI25 Inverter compressor: capacity variation delay CI26...

  • Page 43: Maximum Operation Time Of A Compressor

    CO86 Maximum number of start up of the compressor in 15 minutes 0= Not enabled Example: circuit with 2 compressors:  step 1: first compressor to be activated is the compressor with lower capacity  step 2: the compressor is switched off and is activated the compressor with higher capacity ...
  • Page 44 If the device is switched OFF by digital input (configured as remote OFF) or by keyboard, pump down procedure is enabled; in this special case the led of the operation mode active at that time (cooling or heating) is blinking. If both digital input are configured, low pressure switch and pump down switch, the pump down procedure follows pump down switch status.
  • Page 45 If the device is configured with a low pressure transducer and with a pump down pressure switch, to switch OFF the compressor both conditions have to be satisfied:  the pressure detected by low pressure transducer falls below CO37  pump down pressure switch has to be activated If the device is switched OFF by digital input (configured as remote OFF) or by keyboard, pump down procedure is enabled;...

  • Page 46: Unloading

    18.3 CO36 = 3 PUMP DOWN ENABLED DURING THE SWITCHING OFF ONLY IN CHILLER MODE (LOW PRESSURE SWITCH OR PUMP DOWN SWITCH) The description of the pump down procedure is equivalent to the configuration CO36=1, but only in chiller mode; in heat pump mode the solenoid valve is activated when the first compressor is witched on ON and de-activated when the last compressor is OFF.
  • Page 47  CI11 percentage every CI12 seconds if the compressor is configured for continuous modulation  a power step every CI12 seconds if the compressor is configured for step modulation Unloading operation If the evaporator inlet water temperature increases and reaches CO40 thresold, after CO42 delay time the unloading function is activated;...

  • Page 48: Power Reduction By Digital Input

    Unloading function is disabled when the temperature of all the probes configured rise over CO55 + CO56 or when the CO57 time is elapsed. 19.4 UNLOADING BY DIGITAL INPUT The unloading can be activated by digital input (a digital input has to be configured with this function); when the digital input is active, the number of compressors on the circuit is reduced to the value set in the parameter CO49 and, in case of inverter compressor, the speed is brought to the value set by CI33 parameter.
  • Page 49 23.1 OPERATION WITH DIGITAL INPUT CONFIGURED AS REGULATION REQUEST If a digital input is configured as regulation request: • if the contact is NOT ACTIVE the unit is in stand-by and the upper display shows OFF • if the contact is ACTIVE the unit is ON and the upper display shows: ...
  • Page 50 specific compressor or a compressor of a specific circuit. This use is foreseen only for ON / OFF compressors (not with capacity step and not compressor inverter controlled). In case of incorrect configuration of the digital inputs (condensing unit and compressors with capacity step, digital input configured for a non-existing compressor, etc) is generated ACF4 alarm configuration.

  • Page 51: Evaporator Water Pump (Air/Water Unit) / Supply Fan (Air/Air Unit)

    24. EVAPORATOR WATER PUMP (AIR/WATER UNIT) / SUPPLY FAN (AIR/AIR UNIT) The operation mode of the water pump / supply fan is settable as following:  CO16=0: Not enabled: the water pump/supply fan is not managed. Attention: The air / air unit configured with CO16= 0 does not manage the output for integration heaters.
  • Page 52 24.3 EVAPORATOR WATER PUMP PERIODIC ACTIVATION If the evaporator water pump is switched OFF (for normal adjustment or because the machine is in Std-by or OFF), periodic switching ON of the water pump can be performed. At the end of the ON period, the device reading regulation temperature evaluates if it is necessary to switch ON the compressors or not.
  • Page 53 US 50 Proportional band for maximum speed of modulationg evaporator 25.0 °C water pump in chiller °F 14.0 US 51 Minimum speed of the evaporator water pump in chiller US 52 Maximum speed of the evaporator water pump in chiller Heat pump and domestic hot water Parameter Description...

  • Page 54: Condenser Water Pump

    24.6 HOT START In the air air unit and in heating mode it is possible to stop the supply fan when the outlet evaporator temperature falls below FA24 degrees. FA24 Hot start Setpoint FA25 Hot start differential 25. CONDENSER WATER PUMP The operation mode of the condenser water pump is settable as following: ...

  • Page 55: Condenser Fan Regulation

    If the temperature detected by the probe selected by parameter Ar32 decreases below Ar33 degrees, the water pump is switched ON. Ar31 = Operation mode of the water pump when the device is in STD-BY or remote OFF Ar31= 0 water pump OFF Ar31=1 water pump ON if the temperature of the probe selected by parameter Ar32 is lower...
  • Page 56 FA01 and FA02 parameters define the operative mode of the condenser fans. FA01 Enable fan regulation 0 = Condenser fan not enabled 1 = Condenser fan always on 2 = Condenser fan by ON/OFF step regulation 3 = Condenser fan by ON/OFF continuous step regulation 4 = Condenser fan proportional fan speed FA02 Condenser fan operation mode 0 = Fan on only if compressor on...
  • Page 57 Condenser fan in Heating mode 26.2 CONDENSER FAN WITH PROPORTIONAL CONTINUOUS MODULATION By setting parameter FA01 = 4, the condenser fans is managed in proportional continuous modulation. The analog outputs must be configured for modulating fan management: • Output OUT 1 can be configured as 0..10V analog output •...
  • Page 58 Condenser fan in Heating mode 26.3 CONDENSER FAN: COMMON OR SEPARATE CONDENSER Through FA05 Parameter it is possible to configure, for two circuit units, if the condenser ventilation is common or separated. FA05=0 Common condenser Only the condenser fan of the circuit 1 must be configured; if also the condenser fan of the circuit 2 is configured, the two fans work in parallel.
  • Page 59 • Cooling Mode: the condenser temperature / pressure sensor of the circuit 1 controls the fan of the circuit 1, the condenser temperature / pressure sensor of the circuit 2 controls the fan of the circuit 2 • Heating mode: if the evaporator probe is not configured, the condenser temperature / pressure sensor of the circuit 1 controls the fan of the circuit 1, the condenser temperature / pressure sensor of the circuit 2 controls the fan of the circuit 2 •...

  • Page 60: Anti Freeze, Integration Heating Or Boiler Heaters

    27. ANTI FREEZE, INTEGRATION HEATING OR BOILER HEATERS 27.1 EVAPORATOR ANTIFREEZE HEATER IN COOLING MODE The parameter Ar06 selects the reference probe/s to control the evaporator anti-freeze heaters in cooling mode. Ar06 = 0: the function is disabled Ar06 = 1: the regulation probe is evaporator water inlet. Ar06 = 2: the regulation probe are evaporator water outlet circuit 1 and evaporator water outlet circuit 2.
  • Page 61 Heater in two gas circuits Heater regulation in heating mode Heater in one gas circuit Heater in two gas circuits User manual IC200CX EVO EN rel. FW 4.9 rev. 1.0.docx IC200CX 61/196...
  • Page 62 Operation of the support heater during the defrost cycle Ar05 parameter establishes the status of the heaters during the defrost cycle: • Ar05=0: the heaters are activated only by their thermoregulation during the defrost cycle • Ar05=1: the heaters are activated by their thermoregulation and are always on during the defrost cycle.

  • Page 63: Defrost Cycle

    • Ar29 = 0 the heaters are off • Ar29 = 1 the heaters are enabled for operation according to their regulator 27.5 BOILER HEATERS The function is enabled when:  one probe is configured as outside temperature.  The boiler is enabled setting the parameter Ar11=1 (boiler in integration to the heat pump) or Ar11=2 (boiler in substitution to the heat pump).
  • Page 64 dF01=3 Defrost start=by probe selected by dF24; defrost stop= by external contact (digital input) dF01=4 Defrost with condenser fan dF01=5 Defrost start=by digital input; defrost stop= by probe selected by parameter dF24 28.1 DEFROST CYCLE PHASES PHASE 1: interval time between two defrosts dF09 Depending on the configuration assigned to the parameter dF40, the interval time between two defrosts may be related or not to compressor status: •...
  • Page 65 dF17=1 Condenser fan enabled only in defrost dF17=2 Condenser fan enabled in defrost and dripping time To start the defrost if one digital input is configured as “End defrost” is active, the device waits until the contact is de-activated. If one probe is configured as combined defrost: ...
  • Page 66 1= Defrost ends if both circuits have reached the conditions to stop the defrost 2= Defrost ends if at least one circuit has reached the end defrost condition Common condensation: possibile configuration Parametri dF23=0 dF23=1 dF23=2 dF22=0 Configuration not possible Configuration not possible Configuration not possible (ACF1 alarm)
  • Page 67 if two circuits are configured the function is active if:  dF22 > 0 when both circuits are defrosting  FA05 = 0 the unit has a common condenser dF25 Supply fan status durinf the defrost 0= Not enabled 1= Enabled 28.6 DEFROST DYNAMIC SET POINT It is possible to modify the start defrost set point according to outside temperature.
  • Page 68 If the defrost ends because of the dF05 counting (Maximum defrost time) and the dF02 configuration or with the end defrost contact, the bottom display will show, alternated with the normal measurement value, the label b1dF (circuit #1) or b2dF (circuit #2) labels to indicate the defrost end alarms. 28.8 COMBINED DEFROST The function is enabled if one of the analog input is configured as NTC temperature for combined defrost of the 1st or 2nd circuit.
  • Page 69 After the defrost cycle the compressors are stopped for the dF08 time. Exactly in the middle of the dF07 time the 4-way valve is activated to equalise the pressure of the unit and to drain the external exchange unit, when dF08 is completely expired the unit restart in heat pump mode. This procedure does not respect the compressor on delay protection therefore the compressor is immediately turned off and then on.

  • Page 70: Domestic Hot Water

    2= At least one circuit has reached the end defrost condition dF24 Start / End defrost reference probe dF24=0 start and end defrost: condenser temperature / pressure probe dF24=1 start defrost: evaporator pressure probe; end defrost: condenser temperature / pressure probe dF24=2 start defrost: condenser temperature / pressure probe;...
  • Page 71 There is the possibility to enable the second set point by time bands (parameters ES19..ES33) or by activating a digital input properly configured. The operation mode is equivalent to the Energy Saving (see dedicated chapter); when the second set point is enabled: ...
  • Page 72 Domestic hot water heaters: Domestic hot water is produced using mainly the compressors; the domestic hot water heaters are only used if one or more compressors are not available for regulation (due to an alarm of a compressor, activation of the unloading function,..) or if the domestic hot water set-point is not reached within a configured timeframe (described in greater detail below).
  • Page 73  after a delay of FS10 seconds the domestic hot water valve 2 is switched off Domestic hot water is produced until the FS03 set-point is reached. Once the domestic hot water set-point is reached, the sequence of operation is the following: ...
  • Page 74  after a delay of FS28 seconds the domestic hot water circulation pump is switched off Condenser fans are managed normally. The defrost takes priority over the production of domestic hot water. If the controller determines the need for a defrosting cycle during the production of domestic hot water, the Ichill stops the domestic hot water operation to activate the defrost procedure: ...
  • Page 75  the domestic hot water pump will remain ON  the domestic hot water valve 2 is switched ON  after the FS10 delay the domestic hot water valve 1 is switched OFF  the compressors are switched OFF  after the DF08/2 delay the 4-way valve status is reversed ...

  • Page 76: Anti-Legionella Function

    The domestic hot water flow switch is managed by parameters AL65 …68. Domestic hot water flow switch, solar panel flow switch and overload domestic hot water pump. It is possible to enable the domestic hot water flow switch by setting appropriately parameters AL65..AL68. It is possible to enable the solar panel flow switch by setting appropriately parameters AL69..AL72.
  • Page 77 (delayed of CO04 time) while the heating elements are switched off when the the set-point (FS14) + band (FS20) is reached. The anti-legionella cycle is enabled for FS19 time; during this time the machine works to maintain the anti- legionella set point. The Anti-legionella cycle lasts maximum FS29 minutes.

  • Page 78: Solar Panel Management

    Inside the time band or when the digital input is active to the domestic hot water set point is applied an offset (parameter ES32) and the new differential for the regulation is ES33. 29.6 LOW DOMESTIC HOT WATER TEMPERATURE It is possible to activate the hot water heaters for low temperature protection; the control probe can be selected by parameter FS54.

  • Page 79: Geothermal Free Cooling

     if domestic hot water temperature > FS23, , the valve of the solar panel is close and the water pump is off  Solar panel in heating mode (FS55=2) solar panel temperature – domestic hot water temperature > FS59 (Dt to enable solar panel in domestic hot water) the solar panel are enabled to work;...
  • Page 80 Free cooling management Two probes are needed, selected from those configured in the instrument (1 Pb1, 2=Pb2, etc.); parameters to select the probes are FS41 and FS42.  if T1 temperature – T2 temperature  FS21, the Free cooling is enabled and the relay and analog output are manages as figures below ...
  • Page 81 FS44 FC condensing fan maximum speed outside temperature 25.0 °C differential °F FS45 FC condensing fan delay FS62 FC low temperature stop probe FS63 -50.0 °C °F FC low temperature stop set point FS64 25.0 °C °F FC low temperature stop differential FS65 Delay to enable compressors if temperature above set FS66...

  • Page 82: Unit With Splitted Exchangers (Air / Water Unit)

    Low temperature protection If the temperature detected by probe selected with FS62 parameter is lower than FS63 set point, the free cooling is disabled. The free cooling will be enabled when temperature detected by probe selected with FS62 parameter is higher than FS63 + FS64.
  • Page 83 Parametres involved: Splitted exchangers set point 1 in cooling mode (parameter dF27) Splitted exchangers set point 1 in cooling mode (parameter dF29) Splitted exchangers set point 2 in cooling mode (parameter dF28) Splitted exchangers set point 2 in cooling mode (parameter dF30) Splitted exchangers set point 1 in heating mode (parameter dF31) Splitted exchangers set point 1 in heating mode (parameter dF33) Splitted exchangers set point 2 in heating mode (parameter dF32)

  • Page 84: Heat Recovery Function

    The set point is related to the status of the machine:  if the machine is producing cooled water and domestic hot water, reference set point is chiller set point  if the machine is producing only domestic hot water, reference set point is heat pump set point 33.
  • Page 85 If the heat recovery digital input is active and if the heat recovery temperature is lower than the first valve activation threshold, the recovery valve will be activated on the circuit switched on. If both circuits are working, first is activated the heat recovery valve of circuit 1 and then the heat recovery valve of circuit 2.
  • Page 86 • if the heat recovery request comes when the maximum number of available compressor is switched ON, a compressor is switched off and a delay time rC02 starts counting; once elapsed, the heat recovery valve is activated, condenser fan is switched OFF (if rC09=1) and starts conting a delay rC03 after wich the compressor will be re-started (if CO02 time is elapsed).
  • Page 87 if the heat recovery request is de-activated when the number of compressors switched ON is lower than the maximum available, the recovery valve is de-activated with delay of rC02 seconds; during this delay the switching ON of more compressors of the circuit, if required by the regulation, is inhibited.

  • Page 88: Auxiliary Relays

    Heat recovery is re-activated if the pressure / temperature drops below the rC06-rC07 value. Heat recovery is disabled for rC08 time, after which it will be refreshed. 33.5 HOW TO DISABLE MANUALLY THE HEAT RECOVERY It is possible to disable manually the heat recovery: •...
  • Page 89 Auxiliary relay with inverse action US 1 Auxiliary relay 1 operating mode 0 = Not enabled 1 = Function always enabled (also in stand-by or remote off) in direct action 2 = Function enabled only if the device is ON (cooling or heating) in direct action 3 = Function always enabled (also in stand-by or remote off) in inverse action...
  • Page 90 US 8 °C °F Auxiliary relay 1 winter set point US 9 25.0 °C °F 14.0 Auxiliary relay 1 summer differential US 10 25.0 °C °F 14.0 Auxiliary relay 1 winter differential US 11 Auxiliary relay 2 operating mode 0 = Not enabled 1 = Function always enabled (also in stand-by or remote off) in direct action 2 = Function enabled only if the device is ON (cooling or...

  • Page 91: Auxiliary Proportional Outputs

    US 61 AUX 1 relay operation mode 1= only in Chiller 2= only in Heat pump 3= in Chiller and Heat pump US 62 AUX 2 relay operation mode 1= only in Chiller 2= only in Heat pump 3= in Chiller and Heat pump 35.
  • Page 92 Auxiliary Proportional output: Inverse action US46=0 US46=1 US 22 Auxiliary proportional output n° 1 operating mode 0 = Not enabled 1 = Function always enabled (also in stand-by or remote off) in direct action 2 = Function enabled only if the device is ON (cooling or heating) in direct action 3 = Function always enabled (also in stand-by or remote off) in inverse action...
  • Page 93 US 25 110.0 °C °F US26 50.0 Analog output 1 summer maximum set point US 26 °C °F US24 US25 Analog output 1 summer set point US 27 -50.0 °C °F US29 -1.0 Analog output 1 winter minimum set point US 28 110.0 °C...

  • Page 94: Probe Selection For Regulation With Selectable Probe

    US 40 110.0 °C °F US41 50.0 Analog output 2 winter maximum set point US 41 °C °F US39 US40 Analog output 2 winter set point US 42 25.0 °C °F 14.0 Analog output 2 summer differential US 43 25.0 °C °F 14.0...

  • Page 95: Energy Saving And Device Switching On By Program Schedule

    37. ENERGY SAVING AND DEVICE SWITCHING ON BY PROGRAM SCHEDULE 37.1 ENERGY SAVING BY DIGITAL INPUT The Energy saving function is enabled when a digital input configured as “Energy saving” is active. When the Energy Saving function is active:  to the set point is applied an offset set by ES14 and ES16 parameters (different for cooling and heating) ...
  • Page 96 Example of time band configuration  Enable time band 1 for Energy Saving  Enable time band 1 to switch ON the device  Enable time band 1 to switch ON the device and at the same time enable the Energy Saving User manual IC200CX EVO EN rel.

  • Page 97: Dynamic Setpoint

    Enter the parameter programming: 1. Select the ES parameter family. 2. Select the parameters ES07 (Monday)…ES13 (Sunday). How to switch on the controller when it is off by real time clock When the unit is in OFF by RTC and the parameter ES18 > 0, if the user switch on the controller by keyboard the unit stay on for ES18 time;...
  • Page 98 Analog input configured as outside temperature, positive differential and positive offset: Analog input configured as outside temperature, positive differential and negative offset: Analog input configured as outside temperature, negative differential and negative offset: User manual IC200CX EVO EN rel. FW 4.9 rev. 1.0.docx IC200CX 98/196...

  • Page 99: By-Pass Gas Valve

    39. BY-PASS GAS VALVE This function can be enabled only in chiller unit; instead of switch-OFF the compressor when the temperature reaches the set point, the compressor is always maintained ON and the by-pass gas valve by-pass the gas to significantly reduce the cooling capacity of the plant to guarantee an high precision of the regulation. An analog outputs, configured as ON/OFF by-pass valve, has to be configured;...
  • Page 100 Minimum de-activation time  bP14 PID period time  bP16 minimum de-activation time Other parameters: bP17 Sample time of the derivative component (Sr) Derivative component is calculated every bP17 seconds bP18 Band adjustement (rS) This parameter is used to adjust error calculation (error=bP2 + bP18 – probe value) bP19 Integral band limitation (Ar) Anti reset wind up, limit the integral contribution, forcing the error between –Ar and Ar.
  • Page 101 If the PID calculation reaches 100% (the by-pass valve reach the maximum time of the evaporator by-pass), the bP21 delay starts counting; if the PID calculation remains over 70%, when bP21 time is elapsed the compressor is switched off. The compressor is switched on if regulation temperature increase over by-pass valve set point and CO02 and CO91 time are elapsed.

  • Page 102: Master / Slave Function

    bP 10 By-pass valve output value  0.1< bP10 < 9.9 ON/OFF output with value set by bP10 10.0  bP10 = 10 modulated output between 0V to 10V depending on PID calculation bP 11 25.0 °C PID: Proportional component °F bP 12 PID: Integral component...

  • Page 103: Password Management

    42. PASSWORD MANAGEMENT Following the list of the password managed by the device:  AL46 Password to reset alarms and to eneter to ALrM menu  Pr1 Password: password to enter to Pr1 parameters level  Pr2 Password: password to enter to Pr2 parameters level ...
  • Page 104 Compressor overload alarm is managed in a special way: when the number of the alarms per hour is < A020, the alarm is a manual reset when the number of the event is = A020, the alarm is manual reset and a password is requested. In this case the alarm is stored and visible in COtr menu.
  • Page 105 45.1 ACF1 …AC16: CONFIGURATION ALARM A configuration alarm forces the device to stand-by status; it is necessary to set the right configuration to switch on the device. ACF1 Label on alarm  Heating mode is enabled but the 4-way valve is not configured visualization menu ...
  • Page 106 ACF6  The number of compressor of the 2 circuits (CF04 + CF05) is:  > 6  > 4 and the part winding compressor start-up is enabled  > 2 and they are configured with 3 capacity step and intermittent valve ...
  • Page 107 ACF9 Label on alarm visualization menu Recovery function enabled but whitout resources needed (heat recovery probe or digital input, heat recovery valve, condenser probe) AC10 Compressor inverter controlled  2 anologue outputs configured to control the same compressor  An analog output is configured to control a compressor via inverter but none relays is configured as compressor ...
  • Page 108 AP1 ... AP8, APr1.. Apr2, APE1 .. APE8, APU1 .. APU4 PROBE FAILURE Alarm display AP1 = PB1 probe alarm…AP6 = PB6 regulator probe alarm APr1 = remote keyboard 1 alarm probe …APr2 = remote keyboard 2 alarm probe APE1 I/O expansion probe 1 alarm…APE8 I/O expansion probe 8 alarm APU1 expansion valve probe 1 alarm...
  • Page 109 Symbol On the display the symbol is blinking Action Alarm relay + buzzer ON Regulation Loads Not changed Energy saving Disabled if controlled by RTC Unit ON/OFF Disabled if controlled by RTC ArtF Clock failure Alarm display ArtF (clock failure) Origin Clock failure Reset...
  • Page 110 45.2 CIRCUIT ALARM b1HP - b2HP High Pressure switch circuit 1 or circuit 2 Alarm display b1HP (high pressure switch circuit 1) b2HP (high pressure switch circuit 2) Reason The unit is running and the digital input of the high pressure switch is active Reset Digital input not active Restart...
  • Page 111 Alarm Relay + and buzzer on Action b1LP - b2LP low pressure switch circuit 1 or 2 Alarm display b1LP (low pressure switch circuit 1) b2LP (low pressure switch circuit 2) When the low pressure switch digital input is active Origin Setting A008=1 it is possible to disable the alarm detection when the compressors are OFF.
  • Page 112 Symbol On the display the symbol is blinking Action Alarm Relay and buzzer on Compressor / circuit involved OFF If more than one compressor is configured in the circuressors are OFF b1tF- b2tf Condenser fan overload alarm Alarm display b1tF (Condenser fan overload alarm of the circuit #1) b2tF (Condenser fan overload alarm of the circuit #2) When the digital input is active Origin...
  • Page 113 Restart Automatic – Manual after A037 events per hour (Reset procedure in Menu function). If A074=1 to reset the alarm is necessary to type the password Symbol On the display the symbol is blinking Action If A038=0 only the compressors are turned off and than display shows b1Ah - b2Ah, the buzzer and the alarm relay are not activated.
  • Page 114 Alarm detected by probe value: Reset when anti-freeze temperature is higher than A095 + A096 Alarm detected by digital input activation: when digital input is de-activated Restart  A108=16 always automatic reset  0<A108<16: Automatic reset if the number of alarms in an hour is less than A108 Manual reset if the number of alarms in an hour reaches the number set in A108...
  • Page 115 Origin Pump down pressure switch : CO36 = 1, 2, 3, 4 and compressors 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.

  • Page 116: Unit Alarm

    Automatic - Manual after A013 events per hour (Reset procedure in Menu Restart function). If A076=1 the alarm is only a warning and the compressor remains on Symbol On the display the symbol is blinking Alarm Relay + and buzzer on Action OIL ALARM FROM PRESSOSTAT SWITCH OR OIL LEVEL SWITCH (screw) Occasionally it is possible to find both the safety systems, the delay, the active input duration and the...
  • Page 117 ALti (low temperature value of the evaporator air inlet) Alarm display Chiller mode: evaporator inlet NTC probe lower than A026 for A028 seconds. Origin Heat pump: evaporator inlet NTC probe lower than lower than A033 forA036 seconds In stand-by or remote OFF: evaporator inlet NTC probe lower than the lowest value compared between A028 and A036.
  • Page 118 ACFL condenser flow alarm Alarm display Digital input active for the time set in A055 after the water pump is on and, after Origin the digital input itself is activated, for the time set in A057. Alarm not enable if A014=0 Alarm enabled in chiller only if A014=1 Alarm enabled in heat pump only if A014=2 Alarm enabled in chiller and heat pump if A014=3...
  • Page 119 AtHS Domestic hot water heaters overload alarm AtHS (domestic hot water heaters overload) Alarm display Digital input active Origin Reset Digital input not active Restart Manual (reset procedure in function menu) Symbol On the display the symbol is blinking Action Alarm relay + buzzer ON Loads Sanitay heaters OFF...
  • Page 120 AtE1 (overload pump alarm of evaporator 1) Alarm display AtE2 (overload pump alarm of support evaporator 2) Active ID when it is configured as overload pump of evaporator 1 Origin Active ID when it is configured as overload pump of support evaporator 2. Reset With active digital input Restart...
  • Page 121 Digital input configured as generic alarm with stop regulation active after the Origin delay in Par. A052 Digital input configured as generic alarm with stop regulation not active after the delay in Par. A053 Reset Restart Automatic Symbol On the display the symbol is blinking Action Alarm relay + buzzer ON...
  • Page 122 Symbol On the display the symbol is blinking Action Alarm relay + buzzer OFF AEun: Unloading from high temperature of the evaporator water inlet Alarm display AEUn Unload signalling from evaporator Origin During normal running condition when the temperature/pressure of evaporator water inlet is higher than CO40 setpoint for the CO42 time delay.
  • Page 123 REGULATIONS Actions Only signalling Loads Not modified The parameters CO34 / CO35 define the hour set counters for the condenser water pump / Support water pump. They establish the load running hours limit of the pump/s or the supply fan to give a maintenance signalling. If one of these parameters is equal to 0 the maintenance signalling of that load is disabled but the running hours counter remains active.
  • Page 124 Symbol On the display the symbol is blinking Action Alarm relay + buzzer ON Regulation Action Only display warning messages Loads Not changed COMPRESSOR OUT OF SERVICE C1ds…C4ds Alarm display C1ds…C4ds Origin A compressor is set out of service by COEn menu Reset The compressor is restored to normal operation by COEn menu Compressore...

  • Page 125: Manual Alarm Procedure

    PSud SOLAR PANEL WATER PUMP OUT OF SERVICE Alarm display PSud Origin The water pump is set out of service by POEn menu Reset The water pump is restored to normal operation by POEn menu Water pump The water pump out of service is forced OFF. PFCd FREE COOLING WATER PUMP OUT OF SERVICE Alarm display PFCd...
  • Page 126 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 marked as “not active”. During the interval counting, for 255seconds, if at least an alarm event appears, the interval itself is marked “Active”. Starting from the first interval the instrument calculates the 16 intervals and, at the end, it restats overwriting from the first.

  • Page 127: Alarms List

    47. ALARMS LIST 47.1 MACHINE ALARMS Alarm Alarm description Comp. Anti freeze Support Evaporator Condenser Domestic Solar Ventilaz. Auxiliary Code heaters heaters Pump / Pump hot water panel cond. relay Boiler Supply fan Water Water Cir1 Cir2 pump pump ACF1 Configuration alarm AC15 ACFL...
  • Page 128 APU1 IEV Electronic Expansion Valve probe alarm APU4 Serial communication failure with ASLA I/O expansion Domestic hot water pump AtAS OFF (6) overload Condenser 1 water pump overload AtC1 OFF (4) alarm Condenser 2 water pump overload AtC2 OFF (4) alarm Evaporator 1 water pump overload OFF (boiler)
  • Page 129 47.2 CIRCUIT ALARM Alarm Alarm description Compressors Compressors Fan condensing of Fan condensing Code of the circuit of the other the circuit (n) of the other circuit circuit b(n)AC Anti-freeze in chiller of the circuit (n) b(n)Ac Anti-freeze circuit (n) message in chiller b(n)AH Anti-freeze in heat pump of the circuit (n) b(n)Ah Anti-freeze circuit (n) message in heat pump b(n)Cu Unloading from condenser high temp/press of the circuit (n)
  • Page 130 47.3 COMPRESSOR ALARM Alarm Alarm description Compressor Compressors not involved Code C(n)dS Compressor (n) disabled from keyboard C(n)dt Compressor high discharge temperature C(n)HP Compressor(n) high pressure switch C(n)oP Compressor(n) oil pressure switch / Oil level switch C(n)Pd Compressor oil differential C(n)tr Compressor(n) overload (n) identifies the compressor 1, 2 , 3 , 4 , 5 , 6...

  • Page 131: Analog And Digital Output Configuration

    48. ANALOG AND DIGITAL OUTPUT CONFIGURATION 48.1 ICHILL INPUT / OUTPUT CONFIGURATION Analog input Pb1 - Pb2 – Pb5 – Pb6 0. Not enabled 1. Temperature probe PTC for compressor 1 discharge 2. Temperature probe PTC for compressor 2 discharge 3.
  • Page 132 18 Temperature probe NTC for free cooling water inlet circuit 19 Temperature probe NTC for dynamic setpoint external air / boiler / change over 20 Temperature probe NTC for combined defrost circuit 1 21 Temperature probe NTC for combined defrost circuit 2 22 Temperature probe NTC for auxiliary output 1 23 Temperature probe NTC for auxiliary output 2 24 Temperature probe NTC domestic hot water 1...
  • Page 133 39. Not used 40. Not used 41. Pump down pressure switch of circuit 1 42. Pump down pressure switch of circuit 2 43. Generic alarm from digital input with stop regulation n° 1 44. Generic alarm from digital input with stop or signal regulation n° 2 45.
  • Page 134 Digital Output (relay) Configuration RL1- RL8 0. Not enabled 1. Alarm 2. Evaporator water pump / Supply fan 3. Support water pump of the evaporator 4. Evaporator anti-freeze heater circuit 1 5. Evaporator anti-freeze heater circuit 2 6. Supply / boiler heaters circuit 1 7.

  • Page 135: Other Outputs

    60. Capacity step valve 2 compressor 1 61. Capacity step valve 3 compressor 1 62. By-pass gas valve compressor 1 63. Direct start: compressor 2 start PW start: relay 1 of the compressor 2 64. PW start: relay PW 2 of the compressor 2 65.
  • Page 136 LAN to connect I/O Expansion Serial output TTL to connect the HotKey, or Personal computer (through hardware interface) for parameters programming with Wizmate software, or XJ485RS device for connection to XWEB supervisor system. Remote keyboard (LED or LCD depending from the Ichill model). 48.2 I/O EXPANSION INPUT/OUTPUT CONFIGURATION Analog input Pb1 - Pb2 –...
  • Page 137 16 Temperature probe NTC for hot water of the condenser / recovery circuit 2 outlet 17 Temperature probe NTC for hot water of the condenser / recovery common outlet 18 Temperature probe NTC for free cooling water inlet circuit 19 Temperature probe NTC for dynamic setpoint external air / boiler / change over 20 Temperature probe NTC for combined defrost circuit 1 21 Temperature probe NTC for combined defrost circuit 2 22 Temperature probe NTC for auxiliary output 1...
  • Page 138 36. Pressure switch / compressor 2 oil 37. Pressure switch / compressor 3 oil 38. Pressure switch / compressor 4 oil 39. Not used 40. Not used 41. Pump down pressure switch of circuit 1 42. Pump down pressure switch of circuit 2 43.
  • Page 139 Digital Output (relay) Configuration RL1- RL8 0. Not enabled 1. Alarm 2. Evaporator water pump / Supply fan 3. Support water pump of the evaporator 4. Evaporator anti-freeze heater circuit 1 5. Evaporator anti-freeze heater circuit 2 6. Supply / boiler heaters circuit 1 7.
  • Page 140 59. Capacity step valve 1 compressor 1 60. Capacity step valve 2 compressor 1 61. Capacity step valve 3 compressor 1 62. By-pass gas valve compressor 1 63. Direct start: compressor 2 start PW start: relay 1 of the compressor 2 64.

  • Page 141: Table Of Parameters

    49. TABLE OF PARAMETERS Set point parameters Parameter Description U. M. Resolution ST 1 Chiller Setpoint ST02 ST03 °C/°F dec/int ST 2 Chiller minimum Setpoint -50.0 °C ST01 °F ST 3 Chiller maximum Setpoint °C ST01 °F ST 4 Heat pump setpoint ST05 ST06 °C/°F dec/int...
  • Page 142 Temperature differential ST 17 Cooling regulation proportional band or differential if the 25.0 °C regulation probe is evaporator outlet °F ST 18 Heating regulation proportional band or differential if the 25.0 °C regulation probe is evaporator outlet °F Display visualization Parameter Description U.
  • Page 143 CF 6 Number of compressor capacity step 0= none 1= 1 2= 2 3= 3 CF 7 Condensing / evaporating pressure or temperature selection 0 = Condenser probe: NTC temperature Evaporating probe: pressure transducer 4÷20mA 1 = Condenser probe: pressure transducer 4÷20mA Evaporating probe: pressure transducer 4÷20mA 2 = Condenser probe: NTC temperature Evaporating probe: pressure transducer 0÷5V...
  • Page 144 CF 28 Not used CF 29 Not used CF 30 Configuration of ID1 CF 31 Configuration of ID2 CF 32 Configuration of ID3 CF 33 Configuration of ID4 CF 34 Configuration of ID5 CF 35 Configuration of ID6 CF 36 Configuration of ID7 CF 37 Configuration of ID8...
  • Page 145 CF 52 Proportional output OUT 3 0= not configured 1= modulation evaporator water pump 0÷10V 2= Free cooling modulating output 0÷10V 3= not used 4= auxiliary output AUX1 0÷10V 5= auxiliary output AUX2 0÷10V 6= inverter compressor 1 0÷10V 7= inverter compressor 2 0÷10V 8= modulating condenser fan circuit 1 0÷10V 9= modulating condenser fan circuit 2...
  • Page 146 CF 63 Power supply frequency 0= 50 Hz 1= 60 Hz 2= Vcc power supply (ATTENTION When CF83 = 2 the proportional outputs for fan control are not enabled) CF 64 Modbus address CF 65 Firmware Release (only reading) Only reading CF 66 Eeprom parameter map (only reading, factory use) Only reading...
  • Page 147 EI 11 -12.0 12.0 °C I/O expansion Pb2calibration °F EI 12 -12.0 12.0 °C °F -5.0 I/O expansion Pb3 calibration -4.0 EI 13 -12.0 12.0 °C °F -5.0 I/O expansion Pb4 calibration -4.0 EI 14 -12.0 12.0 °C °F -5.0 I/O expansion Pb5 calibration -4.0 EI 15...
  • Page 148 EI 41 I/O expansion proportional output OUT 1 0= not configured 1= modulation evaporator water pump 0÷10V 2= Free cooling modulating output 0÷10V 3= not used 4= auxiliary output AUX1 0÷10V 5= auxiliary output AUX2 0÷10V 6= inverter compressor 1 0÷10V 7= inverter compressor 2 0÷10V 8= modulating condenser fan circuit 1 0÷10V...
  • Page 149 Sd 8 -50.0 50.0 °C Dynamic set point: winter offset analog 1 °F Sd 9 -50.0 110.0 °C Summer outside temperature analog 1 °F Sd 10 -50.0 110.0 °C Winter outside temperature analog 1 °F Sd 11 -30.0 30.0 °C Summer outside temp.
  • Page 150 ES 10 Thursday: energy saving or automatic on-off time band 0 - 0 7 - 7 selection ES 11 Friday: energy saving or automatic on-off time band 0 - 0 7 - 7 selection ES 12 Saturday: energy saving or automatic on-off time band 0 - 0 7 - 7 selection...
  • Page 151 Differential energy savingcompressor rack 14.0 Number of compressors enabled in case of failure probe 0 ÷ 6 Number od ventilation step in case of failure probe 0 ÷ 4 Compressor parameters Parameter Description U. M. Resolution CO 1 Minimum compressor ON time after the start-up 10 sec CO 2 Minimum compressor OFF time after the switching off...
  • Page 152 CO 16 Operative mode of the evaporator water pump / supply 0= Not enabled 1= Continuous The water pump is ON when the device is ON (cooling or heating) 2= ON when a compressor is ON The water pump is ON only if at least a compressor is ON CO 17 Delay between evaporator water pump/supply fan 10sec...
  • Page 153 CO 40 Unloading set point by high evaporator water inlet -50.0 110.0 °C temperature °F CO 41 Unloading differentiual by high evaporator water inlet 25.0 °C temperature °F CO 42 Delay time to enable the unloading by high evaporator 10 sec water inlet temperature CO 43 Unloading by high evaporator water inlet temperature...
  • Page 154 CO 64 Maximum number of compressors to use in Cooling mode CO 65 Maximum number of compressors to use in Heating mode CO 66 Maximum number of compressors to use in Domestic hot water mode CO 67 Evaporator water pump OFF time if the set point is reached CO 68 Evaporator water pump OFF time if the machine is STD-...
  • Page 155 CI 1 Inverter compressor: enable steps regulation 0= steps regulation disabled (if inverter compressor is enabeld, it modulates the capacity in proportional way) 1= steps regulation enabled; only one step has to be configured 2= steps regulation enabled; two steps have to be configured …...
  • Page 156 CI 33 Compressore inverter: maximum power percentage in unloading Auxiliary function parameters Parameter Description U. M. Resolution US 1 Auxiliary relay 1 operation mode 0= Not enabled 1= Always enabled with direct action 2= Enabled only when the unit is on with direct action 3= Always enabled with reverse action 4= Enabled only when the unit is on with reverse action 5= Enabled only when the unit is on with direct action in...
  • Page 157 US 13 -50.0 °C °F US15 -1.0 Auxiliary relay 2 summer minimum set point US 14 110.0 °C °F US15 50.0 Auxiliary relay 2 summer maximum set point US 15 °C °F US13 US14 Auxiliary relay 2 summer set point US 16 -50.0 °C...
  • Page 158 US 28 110.0 °C °F US29 50.0 Analog output 1 winter maximum set point US 29 °C °F US27 US28 Analog output 1 winter set point US 30 25.0 °C °F 14.0 Analog output 1 summer differential US 31 25.0 °C °F 14.0...
  • Page 159 US 44 Analog output 2 minimum value US45 US 45 Analog output 2 maximum value US44 US 46 Operation mode under minimum value US 47 Probe 1 selection for evaporator water pump modulation in chiller US 48 Probe 2 selection for evaporator water pump modulation in chiller US 49 Set point for maximum speed of modulationg evaporator...
  • Page 160 FA 2 Fan operating mode 0= Dependent from the compressor 1= Independent from the compressor FA 3 Fan speed at the start-up FA 4 Phase shifting of the fan motor (signal calibration due to Micro 250s inductive component of the fan motor) FA 5 Number of condensing circuits 0= one condenser circuit...
  • Page 161 FA 21 - Proportional speed control FA01 = 4 25.0 °C CUT-OFF differential in heating mode °F - ON/OFF regulation FA01 = 2/3 14.0 Condenser fan differential of circuit 2 in heating mode FA 22 Proportional speed control FA01 = 4: over ride CUT- OFF 25.0 °C in heating mode...
  • Page 162 Ar 3 Anti-freeze heaters / integration heating setpoint for air/air 110.0 -50.0 °C unit in heating mode °F Ar 4 Antifreeze heaters proportional band in heating mode 25.0 °C °F Ar 5 Antifreeze heaters / integration heating status in defrost 0= ON only with thermoregulation control 1= ON with thermoregulation and during the defrosting cycle...
  • Page 163 Ar21 Evaporator water pump for pre-antifreeze in OFF or stand-by mode 0= Disabled 1= Enabled Ar22 Probe selection to manage the evaporator water pump for pre-antifreeze 0= Not enabled 1= Evaporator inlet 2= Evaporator outlet 1 and 2 3= Evaporator outlet 1 and 2 and common outlet 4= External temperature Ar23 Evaporator water pump set point for pre-antifreeze...
  • Page 164 dF 1 Defrost configuration: 0= Not enabled 1= Enabled by condenser temperature / pressure 2= Enabled: start by the probe selected by dF24 and stop by time (dF05) 3= Enabled: start by the probe selected by dF24 and stop by external contact 4= Enabled: defrost only with condenser fan 5= Enabled: start from digital input and stop on probe selected by dF24...
  • Page 165 dF 22 Defrost start-up management in unit with 2 circuits 0= Independent 1= If both have reached the necessary requirements 2= If one has reached the necessary requirements dF 23 Defrost end management in unit with 2 circuits 0= Independent 1= If both have reached the necessary end defrost requirements 2= If one has reached the necessary end defrost...
  • Page 166 dF 37 -30.0 30.0 °C °F -14.0 14.0 Defrost dynamic set point: maximum offset -203 dF 38 -50.0 110.0 °C Defrost dynamic set point: outside temperature set point °F dF 39 Defrost dynamic point: outside temperature -30.0 30.0 °C differential °F dF 40 Interval time counting mode selection between two...
  • Page 167 Domestic hot water regulation mode FS 1 0= not enabled 1= enabled with valves in water circuit 2= enabled with valves in gas circuit Domestic hot water thermoregulation priority FS 2 0 = heating / cooling 1 = domestic hot water 2 = domestic hot water by digital input Domestic hot water set point FS05...
  • Page 168 Delay time to deactivate the domestic hot water pump FS 28 starting from valve deactivation Maximum operating working time of the Antilegionella FS 29 cycle -50.0 110.0 °C FS 30 Domestic hot water: security set point °F 25.0 °C FS 31 Domestic hot water: security differential °F Domestic hot water: minimum interruption time...
  • Page 169 Probe selection for low domestic hot water temperature FS 54 0= disabled 1= Pb1 2= Pb2 Solar panel opration mode for domestic hot water FS 55 0= disabled 1= integration to heat pump 2= substitution to heat pump Solar panel opration mode for heating FS 56 0= disabled 1= integration to heat pump...
  • Page 170 A0 5 Maximum number of low pressure alarms to generate manual reset alarm A005 = 0 always manual reset A005= 1..15 = - Automatic reset if the number of alarm in an hour is lower than A005 - Manual reset if the number of alarms in an hour reaches A005 A005 =16 always automatic reset A0 6...
  • Page 171 A0 22 Maximum number of pump down alarm per hour, at the start-up, to generate manual reset alarm Always manual reset if A022 = 0 Always automatic reset if A022 =16 From automatic to manual reset if A021 =1..15 if AL23=1 A0 23 Select if the pump down alarm must change from automatic to manual reset:...
  • Page 172 A0 41 Number of compressor high discharge temperature alarms per hour to generate the manual reset alarm. Always manual reset if A041 = 0 Always automatic reset if A041 =16 From automatic to manual if A041 = 1..15 A0 42 Number of generic alarms per hour to generate the manual reset alarm.
  • Page 173 A0 59 Maximum number of high water temperature alarm per hour to generate the manual reset alarm. Always manual reset if A059 = 0 Always automatic reset if A059 =16 From automatic to manual reset if A059 =1..15 A0 60 High water temperature alarm delay after compressor 10 sec switching on...
  • Page 174 A0 80 Maximum number of compressor/circuit differential oil alarm per hour to generate the manual reset alarm. Always manual if A080 = 0 Always automatic if A080 =16 If 16>A080>0:  automatic if number of alarm < A080  manual if number of alarm = A080 A0 81 Compressor/circuit differential oil alarm operation mode 0= disabled...
  • Page 175 A1 01 Evaporator anti freeze alarm probe selection in cooling mode 0= Not enabled 1= Evaporator inlet 2= Evaporator outlet 1 and 2 3= Evaporator outlet 1 and 2 and common outlet 4= External temperature A1 02 Evaporator anti freeze alarm probe selection in heating mode 0= Not enabled 1= Evaporator inlet...
  • Page 176 bP 11 25.0 °C PID: Proportional component °F bP 12 PID: Integral component bP 13 PID: Derivative component bP 14 PID: period of by pass valve bP 15 By-pass valve minimum activation time T2 (if ON/OFF output) bP 16 By-pass valve minimum de-activation time T3 (if ON/OFF output) bP 17 Derivative component sampling time (Sr)

  • Page 177: Wiring Connections

    50. WIRING CONNECTIONS 50.1 HARDWARE RESOURCES FOR IC206CX MODEL  6 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)  analogue inputs:  4 NTC / PTC probes ...

  • Page 178: Analog Inputs Ntc - Ptc Probes

    50.3 ANALOG INPUTS NTC – PTC PROBES PbC = common terminal Pb1…Pb6 = probe inputs 50.4 DIGITAL INPUTS GND = common terminal ID1…ID11 = digital inputs User manual IC200CX EVO EN rel. FW 4.9 rev. 1.0.docx IC200CX 178/196...

  • Page 179: Analog Input For Pressure Transducer Pp30 (4 ÷ 20Ma Signal)

    50.5 ANALOG INPUT FOR PRESSURE TRANSDUCER PP30 (4 ÷ 20MA SIGNAL) 12V = power supply for pressure transducers Pb3 and Pb4 = pressure transducer inputs 50.6 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 User manual IC200CX EVO EN rel.

  • Page 180: Pwm Output For Condensing Fan Speed Control

    51. PWM OUTPUT FOR CONDENSING FAN SPEED CONTROL OUT3 and OUT4 = signals for the modulation of the condenser fan GND = ground for pressure transducers The compatible modules are the following: XV05PK mono-phase 500 Watt (2A) XV10PK mono-phase 1000 Watt (4A) XV22PK mono-phase 2200 Watt (9A) 51.1 PROPORTIONAL OUTPUT FOR FAN CONDENSING CONTROL OR FOR COMPRESSOR INVERTER CONTROLLED OR FOR AUXILIARY OUTPUTS...
  • Page 181 51.2 PROPORTIONAL OUTPUT 0..10V TO CONTROL DUMPER MOTORS OUT1…OUT4 = signals for the modulation of the dumper motor GND = ground If the dumper motor has a common line between a pole of the power supply and the “–“ pole of the 0..10V signal, it is necessary to use two transformers for the power supply of the controller Ichill and the power supply of the dumper motor.

  • Page 182: Proportional Outputs Configured For Aux Relay Control

    51.3 PROPORTIONAL OUTPUTS CONFIGURED FOR AUX RELAY CONTROL OUT1…OUT4 = signals for relays GND = ground 51.4 HOT KEY 64 CONNECTION User manual IC200CX EVO EN rel. FW 4.9 rev. 1.0.docx IC200CX 182/196...
  • Page 183 51.5 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.
  • Page 184 map): • CF54 Enable remote terminal 1 (VICX620 EVO) • CF55 Enable remote terminal 2 (VICX620 EVO) • CF76 Enable remote terminal Visograph (V2I820) or Visotouch The connection of the remote terminals must be performed using a shielded / twisted (such as Belden 8772, wires 1 mm minimum);...

  • Page 185: I/O Expansion Connection

    Connection to the remote keyboard VTIC20. The remote terminal VTIC20 has to be powered by an external transformer. It is possible to use a unique transformer to power both, controller and terminal; in this case the power of the transformer has to be the sum of the power consumption of the controller + the power consumption of the terminal.

  • Page 186: Iev Electronic Expansion Valve Connection

    • connect the iCHILL and expansion according to the diagram showed below In case of lack or loss of LAN communication, adjustment dell'Ichill is immediately blocked. The maximum length of the LAN connection is 30 mt. The address of LAN communication with the controller iCHILL EVO series must be set via dip-switch. Not used 53.
  • Page 187 To configure the driver IEV is necessary: • enable in the Ichill the driver connection, via parameters CF79 "Presence expansion valve circuit 1" and CF80 "Presence expansion valve circuit 2" • configure in the Ichill the communication address with the valve driver, via parameter CF81 •...

  • Page 188: I/O Expansion And Iev Electronic Expansion Valve Connection

    54. I/O EXPANSION AND IEV ELECTRONIC EXPANSION VALVE CONNECTION In caso di connessione sia all’espansione I/O che al driver espansione elettronica IEV, seguire le indicazioni del paragrafo 52 e paragrafo 53 ed accertarsi di configurare correttamente gli indirizzi di comunicazione (l’indirizzo di comunicazione tra Ichill e espansione I/O e tra Ichill e driver valvola IEV devono essere differenti).

  • Page 189: Power Supply Failure

    Connection with separated trasformer. 55. POWER SUPPLY FAILURE After a power supply failure, at the following power on: 1. the instrument return to the same status it had before the powew OFF 2. if a defrost was ongiong, defrost procedure is stopped 3.

  • Page 190: Installing And Mounting

    56. INSTALLING AND MOUNTING 56.1 ICHILL PANEL CUT- OUT The instrument must be mounted on vertical panel, with panel cut-out 71x29mm, and fixed using the special bracket supplied. Avoid locations subject to heavy vibration, corrosive gases or excessive dirt. Ensure ventilation around the instrument.

  • Page 191: V2I820 Panel Cut-Out

    56.3 V2I820 PANEL CUT-OUT 57. ELECTRICAL CONNECTIONS The instrument is provided with:  2 removable terminal blocks MOLEX MICROFIT 14 and 18 ways for power supply voltage / digital and analogue inputs and modulating outputs  1 removable terminal blocks AMP 12 ways for the relay outputs ...

  • Page 192: Accessories

    CWCXA15-KIT IC206CX 1.5mt CWCXA30-KIT IC206CX 3.0mt CWCXB15-KIT IC208CX 1.5mt CWCXB30-KIT IC208CX 3.0mt Wire size:  signal cable AWG 24  power supply cable AWG 22  relay output AWG 17 General notes:  Check the connecitons and the line voltage before turning on the power supply. ...
  • Page 193 25mm 42mm 64mm Connections A 1(+), 2(-) PWM input control B 3(+), 4(-) PWM output repetition signal Phase 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.

  • Page 194: Technical Data

    58.6 HOT KEY: Parameters copying key 59. TECHNICAL DATA 59.1 SUPPLY VOLTAGE Power Supply: 12Vac/dc -10% ÷ 15%, 50/60Hz, or 24Vac/dc -10% ÷ 10%, 50/60Hz Consumption: Max. 10VA Connectors: Molex connectors for power supply, probes connection, digital inputs, analog outputs) STELVIO screw connectors for LAN connection STELVIO screw connectors for relay...

  • Page 195: Installation

    Notes: Don’t supply voltage to the digital inputs in order to not cause damage to the instrument 59.4 ANALOGUE OUTPUTS Type: Non opto-insulated, internal power Number of outputs: Type of analogue output: 4 configurable outputs: (configurable via software parameter) - OUT1/OUT2: 0-10Vdc - OUT3 and OUT 3: ...

  • Page 196: General Rules

     Presence of flammable or explosive gas  Dust  Devices that generate magnetic interference Position the device inside the electrical panels, paying attention to the following:  the distance between the device and the electrical power components  the distance between the device and the power cables ...

This manual is also suitable for:

Dixell ichill ic208cx

Table of Contents