IC200L Series User manual DIXELL
INDEX 1 GENERAL ADVICE 7 2 GENERAL FEATURES 8 2.1 MAIN FUNCTION 8 3 IC200 L TABLE OF THE FEATURES 10 4 USER INTERFACE 11 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 FUNCTION OF THE LEDS OF THE KEY BUTTONS USE OF THE LED ON THE MODELS VI620 - VI620S REMOTE PANELS USE OF THE LED ON THE MODELS VI820 - VI820S REMOTE PANELS KEY FUNCTION KEY COMBINANTION LED AND ICONS DISPLAY AND ICONS MEANING/ FUNCTIONNING OF THE BOTTOM DISPLAY LED 5 REMOTE TERMINAL 17 6 FIRST INSTALLING 17 6.1 6.
12.3 12.4 12.5 CHILLER – HEAT PUMP FUNCTIONING MODE KEYBOARD SELECTION ANALOG INPUT SELECTION 13 UNIT START- STOP 13.1 13.2 START – STOP AND STAND- BY FROM KEYBOARD UNIT START- STOP FROM DIGITAL INPUT 14 DISPLAY LAYOUT 14.1 14.2 HOW TO SHOW THE MEASUREMENT LIST. SHOW THE CIRCUIT 1 OR 2 15 CUSTOM DISPLAY 15.1 15.2 15.3 15.4 15.
23.3 23.4 23.5 23.6 23.
38 DEFROST CYCLE 38.1 38.2 38.3 38.4 38.5 38.6 38.7 38.8 FORCED DEFROST COMBINED DEFROST MANUAL DEFROST DEFROST START CONDITION WITH TWO CIRCUIT UNIT END OF THE DEFROST IN A TWO CIRCUITS WITH ONE CONDENSING FAN CONTROL UNIT AUTOMATIC DEFROST PROCEDURE OTHER INFORMATION ABOUT THE DEFROST DEFROST PARAMETER DESCRIPTION 77 39 RECOVERY 39.1 39.
45.2 45.3 45.4 45.5 PLEXIGLASS PROTECTION BOTTOM OPEN PLEXIGLASS PROTECTION TOP OPEN METAL FRONT FRAME VERTICAL BOARDS VI620 – VI820 PANEL CUT-OUT 98 98 99 99 46 ELECTRICAL CONNECTIONS 100 47 ACCESSORIES 100 47.1 47.2 47.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 1 GENERAL ADVICE • • • • • • • • • • • • • • • • • • • • • • • • 1.1 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. 1.
1592015300 User manual iCHILL 200 L GB 2 r1.3 09/09/2005 GENERAL FEATURES iCHILL IC200L 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.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 • Low evaporating pressure Maintenance messages • Compressors • Evaporator pumps • Condenser pumps Auxiliary relays • Two configurable relay outputs not depending from the control algorithm can be managed through NTC, PTC or pressure probes.
1592015300 User manual iCHILL 200 L GB r1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 4 USER INTERFACE 4.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Use of the led on the models IC280L / IC281L Use of the led on the metal models IC280L / IC281L Pg.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 4.2 USE OF THE LED ON THE MODELS VI620 - VI620S REMOTE PANELS 4.
1592015300 User manual iCHILL 200 L GB 4.4 r1.3 09/09/2005 KEY FUNCTION KEY ACTION Push and release Push once Push for 3 seconds the release During the programming: push one time 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.
92015300 User manual iCHILL 200 L GB 4.5 r1.3 09/09/2005 KEY COMBINANTION KEY ACTION Push for 3 seconds together FUNCTION Enter the programming In Pr3 level: push SET and the push Select the parameter level visibility Pr1 / Pr2 / Pr3 DOWN key Push once together Exit the programming Push 5 seconds (heat pump with ok Manual defrost condition) In Pr3 programming level Push SET In Pr3 defines if the parameter can be changed or not in the and then the MENU key other levels. 4.
1592015300 User manual iCHILL 200 L GB 4.7 r1.
1592015300 User manual iCHILL 200 L GB 4.8 r1.3 09/09/2005 MEANING/ FUNCTIONNING OF THE BOTTOM DISPLAY LED Led # 1 – 2 (With RTC) If the bottom display shows the RTC the 1 and 2 leds are blinking. Led # 1 – 2 In function Menu During the time counting to the next defrost for one or both circuits the led 1 and 2 are blinking. LED Parameter programming In Pr2 level: led #3 indicates the visibility while the #1 and #2 show if the parameter can be modified or not.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 7 WIRING CONNECTIONS 7.1 HARDWARE RESOURCES FOR IC260L - IC280L MODELS 10 digital outputs (relays) 18 digital inputs (free of voltage) 10 analogue inputs: NTC probes or through configuration 6 NTC / PTC and 4 pressure transducer 4÷20mA or ratio-metric 0÷ 5.0Volt 6 modulating outputs 1 output for remote panel (max 2 remote panels) 1 TTL output for “Hot Key 64” connection or for XJ485, interface module for monitoring system, connection.
1592015300 User manual iCHILL 200 L GB 7.3 r1.3 09/09/2005 ANALOG INPUTS NTC – PTC PROBES PbC = Common terminal 7.4 DIGITAL INPUTS GND = Common terminal 7.
1592015300 User manual iCHILL 200 L GB 7.6 r1.3 09/09/2005 ANALOG INPUT FOR PRESSURE RATIOMETRIC TRANSDUCER PPR30 (0 ÷ 5V SIGNAL) Using 5V ratio-metric pressure transducer set the Parameter CF07 = 2 / 3 7.7 PWM OUTPUT FOR CONDENSING FAN SPEED CONTROL With only one condensing circuit configured the TF1 / TF2 outputs work together. The PWM signal can control the cut phase controllers for the following mono-phase models: Mod. XV05PK mono-phase , cut phase control 500 Watt (2A) Mod.
1592015300 User manual iCHILL 200 L GB 7.8 r1.3 09/09/2005 FAN CONDENSING CONTROL: 0 ÷ 10VDC OUTPUTS With only one condensing circuit configured, the Out1 / Out2 outputs work together giving the same signal. With the two 0 – 10V outputs the iCHILL can drive a mono-phase or three-phase controllers (such as the Dixell inverter models XV340GS) up to 8KW. 7.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 7.10 PROPORTIONAL OUTPUTS 0 ÷ 10V DUMPER CONTROL GND = common 7.11 PROPORTIONAL OUTPUTS CONFIGURED FOR AUX RELAY CONTROL GND = common By parameter programming is possible to connect a 12 volt, 40mA relay. Pg.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 7.12 HOT KEY 64 CONNECTION The programming HOT KEY 64 allows to upload or download a copy of the parameters of the instrument (see HOT KEY paragraph). 7.13 XJ485 CONNECTION The XJ485 interface is a converter between the RS485 and the TTL connector output. The RS485 uses two terminals (+) and (-) that must be connected respecting the polarity to build the serial line. Use the CAB/RS02 to connect the XJ485 interface to the TTL connector.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 7.14 REMOTE PANELS VI620 – VI820 The instrument receives up to two remote panels. Using the remote panels provided with the ambient NTC probe the display measurement, and the control can be managed directly by this probe. 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.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 23. Temperature probe NTC for auxiliary output #2 24. Temperature probe NTC for condensing circuit #1 25. Temperature probe NTC for condensing circuit #22 After the number 25 the display configuration can be selected from o 1 to c62 that allows to set an analogue input as digital input (see polarity of the digital input/outputs). 8.
1592015300 User manual iCHILL 200 L GB 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 8.4 r1.
1592015300 User manual iCHILL 200 L GB 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 8.5 r1.
1592015300 User manual iCHILL 200 L GB r1.
1592015300 User manual iCHILL 200 L GB dP 1 dP 2 dP 3 dP4 dP5 Pr1 Pr2 Pr3 Parameter CF 1 CF 2 CF 3 CF 4 CF 5 CF 6 CF 7 CF 8 CF 9 CF 10 CF 11 CF 12 r1.
1592015300 User manual iCHILL 200 L GB CF 13 CF 14 CF 15 CF 16 CF 17 r1.3 09/09/2005 PB6 Configuration If configured as digital input PB7 Configuration If configured as digital input PB8 Configuration If configured as digital input PB9 Configuration If configured as digital input PB10 Configuration If configured as digital input 0 o1 0 o1 0 o1 0 o1 0 o1 30 c63 25 c63 25 c63 25 c63 25 c63 -12.0 -10 -12.0 -10 -12.0 -10 -5.0 -72 -12.0 -10 -5.0 -72 -12.0 -10 -5.0 -72 -12.0 -10 -5.0 -72 -12.0 -10 -12.
1592015300 User manual iCHILL 200 L GB r1.
1592015300 User manual iCHILL 200 L GB CF 79 r1.3 09/09/2005 0= from keyboard 1= from digital input 2= from analogue input CF 80 Automatic Change over Change over setpoint for chiller/ heat pump inversion if Par. CF80=2 CF 81 Change over temperature differential if Par. CF80=2 CF 82 °C or °F selection 0= °C / °BAR 1= °F / °psi 0 2 -30.0 -22 0 0 70.0 158 25.0 45 0 1 °C °F °C °F Dec int Dec int U. m.
1592015300 User manual iCHILL 200 L GB ES 17 Energy Saving differential in heat pump mode Pr1 Pr2 Pr3 Password Password Password r1.3 09/09/2005 Compressors Parameters Description CO 1 Minimum compressor ON time after the start-up. CO 2 Minimum compressor OFF time after the switching off. CO 3 ON delay time between two compressors or compressor and valve. During this time the led of the next resource is blinking.
1592015300 User manual iCHILL 200 L GB CO 20 r1.3 09/09/2005 CO 37 Time to make run the pumps together before rotating from one to the other (See water pump group function) Condenser water pump Operative mode for condenser water pump (See condenser water pump function) 0= Not enabled. 1= Continuous. When the unit is running in Chiller or HP the is running. 2= With compressor. When a compressor is running also the pump is running. Free OFF delay condenser water pump after compressor switching OFF.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Auxiliary relay menu function Parameters Description US 3 Auxiliary relay of the circuit 1 Auxiliary relay 1 operating mode (See graph and auxiliary relay functions) 0= Not enabled 1= Always available with direct action 2= Available only when the unit is on with direct action 3= Always available with reverse action 4= Available only when the unit is on with reverse action Analog input configuration for auxiliary relay 1 control.
1592015300 User manual iCHILL 200 L GB FA 10 FA 11 FA 12 r1.3 09/09/2005 Proportional speed control FA01 = 4 Temperature or pressure limit to enable the maximum speed FA 8 ON/OFF regulation FA01 = 2/3 SETpoint step n° 2 Proportional speed control FA01 = 4 Proportional band for condenser fan control in chiller To set the temperature/pressure differential between the minimum and the maximum of the fan speed regulation.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 FA 28 ON/OFF regulation FA01 = 2/3 SETpoint step n° 3 FA 29 ON/OFF regulation FA01 = 2/3 SETpoint step n° 4 Pr1 Pr2 Pr3 Password Password Password Parameter Ar 1 Antifreeze heaters – Integration heating - boiler Description Anti-freeze heaters/integration heating setpoint for air/air unit in Chiller mode. To set a temperature value, below this value the anti-freeze relay is activated. Regulation band for antifreeze in Chiller mode.
1592015300 User manual iCHILL 200 L GB Pr3 r1.3 09/09/2005 Password 0 999 min max Defrost Parameter dF 1 dF 2 Description Defrost configuration: 0= Not enabled 1= Temperature / pressure 2= start depends on par. dF24 stop for time duration 3= start depends on par. dF24 stop for external contact Temperature or pressure of the defrost start-up dF 3 Temperature or pressure of the defrost stop dF 4 dF 5 dF 6 dF 7 dF 8 dF 9 dF 10 Minimum defrost duration. Maximum defrost duration.
1592015300 User manual iCHILL 200 L GB Pr1 Pr2 Pr3 Password Password Password r1.
1592015300 User manual iCHILL 200 L GB AL 14 r1.3 09/09/2005 AL 24 Configuration 0= Not enabled 1= Only for chiller 2= Only for heat pump 3= For both chiller and heat pump “Flow switch / supply fan overload” alarm delay after pump/fun activation. Maximum number of “flow switch/supply fan” alarm events Always manual reset if AL16 = 0 Always automatic reset if AL16 =16 From automatic to manual reset if AL16 =1..15 Minimum “Flow switch / supply fan overload” active time duration.
1592015300 User manual iCHILL 200 L GB AL 35 r1.3 09/09/2005 AL 39 Anti-freeze alarm delay in HP for low outlet air temperature (air/air) Attention If during the Stand-by or remote off there is an anti-freeze alarm event, and the AL35 <>0, starting the heat pump mode, from keyboard or digital input. In this case the anti-freeze alarm is aborted and the compressor starts for the AL35 time to heat the air or the water.
1592015300 User manual iCHILL 200 L GB 10.2 UPLOAD: HOW TO PROGRAM A r1.3 09/09/2005 “HOT KEY” WITH THE PARAMETERS OF THE INSTRUMENT 1. Turn on the power supply. 2. Insert the hot key. 3. Enter the function Menu. 4. Select the UPL function (on the bottom display). 5. Push SET key and immediately the instrument starts transfer the parameters into the Hot key. During the upload the regulation is locked and the top display shows the “UPL” blinking label.
1592015300 User manual iCHILL 200 L GB 3) 4) 5) 6) r1.3 09/09/2005 Inside the family select the “Pr1 - 1”, Pr1 on the bottom display, the current password value 1 on the top display. Push the SET key to change the value that now is blinking. Use the UP or DOWN key to insert the NEW PASSWORD value, then push SET to confirm the new value. The top display blinks for some seconds and then shows the next parameter. Exit the programming pushing SET + UP together or wait the timeout.
1592015300 User manual iCHILL 200 L GB • • • • • • • • • r1.3 09/09/2005 Leds 1 / 2 are blinking: the parameter can not be changed. All the leds are off: the parameter ca not be seen in Pr1 level. Led 3 is on: the parameter can be seen in Pr1 level. Leds 1 / 2 are blinking and led 3 is on: the parameter can be showed and changed in Pr2, showed but not changed in Pr1. Leds 1 / 2 / 3 are blinking: the parameter can be showed and changed in Pr2 and in Pr21.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 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. To show the parameter also in Pr2 and Pr1: 1. Keep pushed SET key; 2. Push 1 time the DOWN key and the leds 3 and 4 should be on, the parameter is now available also in Pr2 / Pr1. To show the parameter only in Pr2: 1. Keep pushed SET key; 2.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 12 SELECTION AND START OF THE RUNNING MODE 12.1 SELECT THE CHILLER OR THE HEAT PUMP MODE The CF79 parameter allows to select and enable the running mode: Par. CF79 = 0: Through keyboard, the user can start and stop the unit using the keys of the front panel. Par. CF79 = 1: Through digital input programmed to start/stop the unit from remote control.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 13 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 13.1 START – STOP AND STAND- BY FROM KEYBOARD TURN THE UNIT ON IN CHILLER OR HEAT PUMP MODE FROM THE KEYBOARD Push and release the key allows to start in chiller mode if CF78 =0, in heat pump if CF78 =1. When the unit is running the corresponding led is on.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Fig.2 15 CUSTOM DISPLAY The dP family of parameters allows to set a custom display read-out. The user can change the default read-out (both for instrument and remote terminals) of the measurements depending on the application. Top Display Bottom display 15.1 DEFAULT READ - OUT OF THE TOP DISPLAY To set the default value displayed on the top display: 1. Set the parameter dP03 = 0, it means configurable; 2.
1592015300 User manual iCHILL 200 L GB r1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 15.2 DEFAULT READ - OUT OF THE BOTTOM DISPLAY To set the default value displayed on the bottom display: 1. Set the parameter dP03 = 0, it means configurable; 2. Select the dP02 parameter into the range 0..
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Bottom display: circuit 2: • Evaporator 2 water outlet, with the label OuT2. Par. dP03 = 2 Top display of the circuit 1: • Condenser 1 water inlet temperature with the label CIn1 Bottom display of the circuit 1 • Condenser 1water outlet with the label COu1. Top display of the circuit 2: Condenser 2 water inlet temperature with the label Cin2 Bottom display of the circuit 2 • Condenser 2water outlet with the label Cou2. Par.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 16.4 DISPLAY IN REMOTE OFF From digital input configured as remote ON/OFF: the active input sets the unit in OFF (even when the unit is a motocondensing unit). The top display shows “OFF ”, the led of the decimal point is blinking. 16.5 DISPLAY IN MOTOCONDENSING CONFIGURATION The top display shows “ON” for active input and “OFF” for not active input. If the unit is running in Chiller the top display shows OnC otherwise OnH for heat pump.
1592015300 User manual iCHILL 200 L GB 7. r1.3 09/09/2005 Repeat operation 1 – 5 to reset the other alarms. 17.3 COMPRESSOR OVERLOAD PASSWORD. The default value is 0 to change this value enter Pr3 level under the AL parameter family (Par. AL43) 17.4 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.
1592015300 User manual iCHILL 200 L GB 4. 5. r1.3 09/09/2005 Push SET for 3 seconds when the label corresponds to the compressor to disable: CO1E - CO2E - CO3E - CO4E - CO5E CO6E. The top display shows the blinking En label, use the UP or DOWN key and change to diS (Compressor disabled) or En (compressor enabled) then push SET to confirm, the display shows next item. To exit the COEn function push MENU key or wait the timeout. 17.
1592015300 User manual iCHILL 200 L GB 17.16 READ-OUT OF THE r1.3 PROPORTIONAL OUTPUT 09/09/2005 PERCENTAGE OF THE CONDENSER FAN CONTROL The proportional outputs of the two circuits, that control the fan speed, can be showed in the menu function. 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.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 FUNCTION trEM to show the temperature of the remote panels Identification label trEM. trE1 value of the NTC probe of the remote #1 trE2 value of the NTC probe of the remote #2 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.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Energy saving or unit ON/OFF where: X with range 0..7 represents the energy saving with RTC and X Y where: Y with range 0..7 represents the unit on/off 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.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 The regulation is enabled if: • In chiller mode the parameter Sd01 is not equal to 0. • In heat pump mode the parameter Sd02 is not equal to 0. • a 4÷20mA analogue input is configured as dynamic setpoint control or a NTC analogue input is configured as external air temperature for dynamic setpoint control. With UP or DOWN keys within the circuit measurement read-out is possible to show the external air temperature indicated by the Et label. 19.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 20 AUXILIARY RELAYS 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..5V transducers) or with the common available temperature or pressure configurable inputs. The probe selection is made with parameters uS02 for the circuit 1 and uS06 for the circuit 2.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Par. ST04 Heat pump setpoint It allows to set the Heat pump working temperature within the range ST05..ST06. Par. ST05 Minimum setpoint limit in heat pump. The user can not program a setpoint value lower than ST05, the range is –30 °C..ST04. Par. ST06 Maximum setpoint limit in heat pump The user can not program a setpoint value higher than ST06, the range is ST01..70°C. Par. ST07 Regulation band width in chiller mode.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 22.2 GRAPH OF THE COMPRESSOR THERMOREGULATION IN HEAT PUMP 22.3 GRAPH NEUTRAL ZONE COMPRESSOR CONTROL Not yet available on this version Compressor regulation in chiller Compressor regulation in heat pump 22.4 GRAPH PROPORTIONAL CONTROL INTEGRAL COMPRESSOR REGULATION Not yet available on this version Compressor regulation in chiller Compressor regulation in heat pump 23 THERMOREGULATION OF THE ANTI FREEZE, INTEGRATION HEATING OR BOILER 23.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 The thermoregulation, the anti-freeze alarm and the relay outputs for heaters circuit #2 is controlled with NTC probe configured as evaporator probe outlet of the circuit #2. ATTENTION: It is not possible to control the heaters of the crcuit #1 with the probe of the circuit #2 and viceversa. Par.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 23.6 GRAPH OF THE ANTI-FREEZE- INTEGRATION HEATING - BOILER HEATER RELAYS 23.7 BOILER THERMOREGULATION(ANTIFREEZE), BOILER FUNCTION To determine the electrical heater control in chiller or heat pump mode because the electrical heaters can be used as anti-freeze or can also be used to integrate or heating the heat pump mode or in particular situation in chiller mode. The function is enabled when: 1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 25 THERMOREGULATION AND COMPRESSORS ROTATION The CO14 parameter determines the compressor on and off sequence. CO14= 0 st nd rd rd nd Sequential. Depending on the thermoregulation: the 1 compressor is turned on, then the 2 and the 3 etc.; then the 3 off, the 2 and nd rd then 1st. The first is off only if the 2 and 3 are off. CO14= 1 Rotation by hour.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Fig. 1 27.3 DIRECT START- UP OF A CAPACITY COMPRESSOR When working with capacity compressors and with full power start-up: the controller turns the solenoid valve on first and then, after 1 second, the compressor motor. Durning the CO13 time delay the valve is forced on: minimum power. When the C013 is expired if the thermoregulation requires more power the valve will be switched off (maximum power). 27.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Set Par CF56 = 23. Star-delta centre relay of the compressor #1; 27.8 STAR - DELTA START OF A COMPRESSOR Each compressor needs three relay outputs: One relay output as Line #1 of the compressor #1 (Relay K1 of the Fig.3). One relay output as Line #2 of the compressor #1 (Relay K3 of the Fig.3). One relay output as centre of the star (Relay K2 of the Fig.3) To turn on the compressor: the centre of the star relay is turned on (Relay K2 of the Fig.
1592015300 User manual iCHILL 200 L GB Compr. Out relay Out relay Out relay Compressor ON Step P 1 ON Step P 2 OFF Step P 3 OFF r1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Having one compressor with 3 partializations, with CO07=2 when the compressor is off the partialization valve is always on, so as, in case of start-up, it allows to have the minimum load. After the compressor is started the valve is on only for CO13 time and it won’t be considered as regulation step. After the compressor stops running the time CO13 will be reloaded.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 If the thermoregulation is stopped via digital input (as remote off) or from chiller/heat pump keys, during the pump down process the chiller or the heat pump led will blink. When the next thermoregulation restarts the PD solenoid valve turns on and after 1 seconds, if the low pressure switch is not active, the compressors start. If the compressors do not restart within the CO39 time the pump-down alarm will signalled and the compressor are stopped.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 ATTENTION If the pump down function is enabled, during the unit start-up from digital input as pump down pressure switch and also from analogue input as low pressure transducer, the compressor will restart only if both the inputs are satisfied. 29.
1592015300 User manual iCHILL 200 L GB 30.4 UNLOADING WITH r1.3 09/09/2005 PRESSURE, CONDENSING TEMPERATURE OR EVAPORATING PRESSURE CONTROL The function is always enabled for both the running mode in order to reduce the load and helps the unit to start: in chiller for high temperature of the external air to avoid high pressure alarms, in heat pump for low temperature of external air to avoid the low pressure alarms.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 ATTENTION The display resolution is 0.1°C until the read-out is 99.9, over 100°C it is 1°C. 32 WATER PUMP OF THE EVAPORATOR / SUPPLY FAN 32.1 WATER PUMP OF THE EVAPORATOR / SUPPLY FAN (AIR/AIR) With only one evaporator water pump configured, the parameter CO19 / CO20 values do not affect the water pump functioning itself.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Note: During the defrost and when the compressor is off in dripping time the pump is on. 33.3 HOT START FA25 Hot start Setpoint Low temperature value of PB2 to stop the supply fan. This function is available only with air / air unit configured as heat pump and allows to run the supply fan only when the air temperature is enough hot. FA26 Hot start differential Temperature differential of the hot start function. 34 WATER PUMP OF THE CONDENSER 34.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 36 LOAD MAINTENANCE PARAMETERS CO26..CO31 are the set of the running hour counters of the compressors. 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. 36.1 COMPRESSOR MAINTENANCE RESQUESTS Label description ACP1 (maintenance comp. 1) –…ACP6 (maintenance comp.
1592015300 User manual iCHILL 200 L GB 37.1 r1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Pg.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 37.5 GRAPH: ON / OFF REGULATION OF THE CONDENSER FAN IN CHILLER MODE 37.6 GRAPH: ON / OFF REGULATION OF THE CONDENSER FAN IN HEAT PUMP MODE 38 DEFROST CYCLE The defrost cycle starts only if all these steps are determined: CF02=1 heat pump unit. DF01 <>0: defrost enabled. Unit working in heat pump mode and at least one compressor running.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 The count-down to the defrost cycle starts when the temperature/pressure of the probe, configured as condensing/evaporating circuit 1 or 2 probe, is lower than dF02 parameter.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 If df07 <> 0: 1. 2. 3. 4. The compressors and the steps are turned off ( the compressor/s led is blinking, the defrost led Start the dF07 / 2 (half time) time counting; The valve is activated; Start the dF07 / 2 (half time) time counting.
1592015300 User manual iCHILL 200 L GB st r1.3 09/09/2005 nd dF06 defrost delay time between the 1 and the 2 circuit. nd After the interval dF09 determined by the defrost request of one of the circuits the other 2 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.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 39 RECOVERY The recovery function is Enabled if: 1 Par. rC01 not equal to 0. 2 Chiller running mode. 3 The recovery key is pushed to enable the function and the recovery led is on. 4 The condensing temperature / pressure is lower than set rC06 –rC07 (differential). 5 The input/output resources are configured 6 The remote recovery digital input is activated. The recovery function is NOT Enabled if: 1 Par. rC01 = 0.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 When the system is running with 100% (eg all the three compressor of a circuit are on) of power and the digital input stop the recovery function: after the rC04 time delay (minimum on time of the recovery function when activated) and before turning off the recovery valve, one of the step is turned off for the time set in rC02.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 40.2 RECOVERY ENABLED If the temperaTure/pressure decreases under the set rC06-rC07 (differential) the recovery cycle, of the circuit detected by that transducer , is anabled again. 40.3 NOTE ABOUT RECOVERY ENABLED/DISABLED To avoid long periodof time with recovery function disabled and the temperature/pressure within the range rC06-rC07, the units starts counting the delay set in rC08.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 CO16 / CO21=2 Compressor on – pump on The alarm is managed only if one digital input is configured as flow switch, the restart is always automatic, in stand–by or remote OFF ( pump off), it becomes manual after AL16 events per hour. During the functioning of the unit any flow alarm stop the loads described in the table, the water pump follow its regulation algorithm and is turned off, after AL16 events per hours it is completely locked.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 41.8 AFR: POWER SUPPLY FREQUENCY ALARM Label on the display Origin Reset Restart Icona Action AFr (Line frequency alarm) The power supply frequency is not equal to the Par. CF81 + tolerance Ferquency control parameter adjusted, disabled CF81 = 2, frequency within the tolerance Automatic Blinking Alarm relay + buzzer ON 41.
1592015300 User manual iCHILL 200 L GB Causa attivazione Reset Riarmo Icona Azione r1.
1592015300 User manual iCHILL 200 L GB Unit ON/OFF r1.3 09/09/2005 Disabled if based on RTC 41.12 ARTC CLOCK ALARM Label o the display Origin Reset Restart Icona Action Regulation Loads Energy saving Unit ON/OFF ArtC (clock alarm) Wrong setting Clock adjusted Manual in function menu Blinking Alarm relay + buzzer ON Not changed Disabled if based on RTC Disabled if based on RTC 41.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 41.16 ACP1 - ACP12 CONDENSER PUMPS MAINTENANCE REQUEST Label description Activation Reset Restart Icon Actions REGULATION Actions Loads ACP1 (main water pump) ACP2 (support water pump) Load running hours > counter setpoint for that load Running hour reset (Hour label in Menu function) Manual blinking Alarm relay and buzzer activated Only signalling Not modified 41.
1592015300 User manual iCHILL 200 L GB 41.20 B1AH - B2AH ANTI-FREEZE ALARM r1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 The alarm is activated when at least one of the probes , configured as evaporating control, is lower than AL03 setpoint if: • In chiller or heat pump mode; • Stand-by or remote OFF when AL08 = 1 • In defrost when AL06=1 The alarm is not signalled if: • In defrost ,for the time AL07, when the 4-way valve is turned on. • For the time set in AL01 after turning on the compressor.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 The compressor discharge temperature is higher than AL39 setpoint. ATTENTION The display resolution is 0.1°C until the read-out is 99.9, over 100°C it is 1°C. If the probe value of the high discharge temperature is lower than “AL39 - AL40 (differential)” Automatic. Manual when there are AL41 per hour (Reset procedure in Menu function). Origin Reset Restart Icon Blinking Alarm Relay + and buzzer on Action 41.
1592015300 User manual iCHILL 200 L GB 41.32 B1RC – B2RC r1.3 RECOVERY 09/09/2005 DISABLED FROM HIGH CONDENSING TEMPERATURE/PRESSURE IN CHILLER Label on the display b1rC (recovery disabled message from circuit #1) b2rC (recovery disabled message from circuit #2) In normal running condition when the temperature/pressure probe value is higher than the set rC06 When the temperature/pressure probe value is lower than the rC06 –rC07(differential) Unloading start after the time delay Par.
1592015300 User manual iCHILL 200 L GB Origin Reset Restart Icona Action Regulation Action Loads r1.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 41.37 ACP1 - ACP1 CONDENSER PUMP MINTENANCE ACP1 (Condenser #1 pump maintenance) ACP1 (Condenser #2 pump maintenance) Pump running hours > Hour counter setpoint Label o the display Origin Reset Restart Icona Hour reset in function menu Manual Blinking Alarm relay + buzzer ON Action Regulation Action Loads Only display warning messages Not changed 41.
r1.
09/09/2005 Alarm description High condensing pressure of the circuit (n) High condensing temperature from NTC of the circuit (n) Low condensing pressure - (evaporating with low pressure transducer) with transducer of the circuit of the (n) Low condensing temperature NTC circuit (n) Fan overload circuit (n) Pump down alarm in stop regulation of the circuit (n) Pump down in regulation start-up of the circuit (n) Bad defrost circuit (n) Unloading from condenser high temp/press of the circuit (n) Unloading fr
r1.3 09/09/2005 Compressor(n) high pressure switch Compressor(n) oil pressure switch / Oil level switch Compressor(n) overload Compressor high discharge temperature Compressor (n) disabled from keyboard Compressor(n) maintenane C(n)HP C(n)oP C(n)tr C(n)dt C(n)dS C(n)Mn (n) identifies the compressor 1, 2 , 3 , 4 , 5 , 6 Alarm description Alarm Code Yes Yes Yes Yes Yes Compressor (n) 43.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 44 BLACK-OUT After the black-out is restored: 1. The instrument resores 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. 45 INSTALLING AND MOUNTING 45.1 PANEL CUT- OUT The instrument must be mounted on vertical panel, with panel cut-out 150x31mm, and screwed 2 screws ∅ 3 x 2mm, in between distance 165mm.
1592015300 User manual iCHILL 200 L GB 45.4 r1.3 09/09/2005 METAL FRONT FRAME 45.5 VERTICAL BOARDS VI620 – VI820 PANEL CUT-OUT The remote terminals are for panel mounting, panel cut-out 72x56 mm, and screwed with two screws. The IP65 can be reached with the gasket RGW-V (optional).
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 46 ELECTRICAL CONNECTIONS The instrument is provided with: 2 • 3 removable terminal blocks MOLEX with 0.5 mm wires: 16 / 8 /22 ways for digital / analogue inputs and modulating outputs. 2 • 4 removable screw terminal block STELVIO for 2.5 mm wires connection: 3 / 4 / 5 / 6 ways for the relay outputs. • 5 ways connector for TTL RS485 interface outputs. • 2 ways connector for remote panels to be connected with the cable CAB/CJ30.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 Power supply 230Vac 0 - 230Vac -10 - 65°C Naylon supports D Height Model Y Connections A 1(+), 2(-) B 3(+), 4(-) F N 5-6 Input output Operating temperature 15mm XV05PK 25mm XV10PK 42mm XW22PK 64mm PWM input control PWM output repetition signal Phase Neutral Fan output Terminals 3 and 4 allows to connect another board in parallel to control two separate fans with the same input control. Terminals 1 / 2 / 3 / 4 are for screw for a 2.
1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005 48 TECHNICAL DATA Housing: self extinguishing ABS. Case: frontal 185x38 mm; depth 70mm (L format) Mounting: panel mounting in a 150x31mm panel cut-out Frontal protection: IP65 with gasket Display: Top Display 3 digits with d.p. Bottom Display 4 digits with d.p. Connections: Removable screw terminal block 2,5mm2. Power supply: 12Vac/dc,-10%÷+15% 24 Vac/dc±10%. 50/60 HZ (opzionale) Power absorption: 10VA max.
