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AIC NestaSeries Manual

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Controller manual
for the qualified professional
applicable to:
Nesta range
Nesta Plus range
Nesta Chrome
60·80·100·120 kW
EN

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Summary of Contents for AIC NestaSeries

  • Page 1 Controller manual for the qualified professional applicable to: Nesta range Nesta Plus range Nesta Chrome 60·80·100·120 kW...

  • Page 2: Table Of Contents

    able of onTenTs ..............3 ntroductIon General ................... 3 Interactive Features ..............3 ..........4 ontroller peratIon Control Panel and Main Functions ........4 Symbols and Messages on the Control Panel ..5 Boiler Settings for the Installer ........... 6 Access Levels (See Fig. 3) ..............6 Quick access to functions for the Installer ....7 Setting to Low/High Fire ................7 Reading the Ionization current and fan speed ......7...

  • Page 3: I Ntroduction

    Please note that two versions, either grey or white, of such controller are installed in In the table containing the list of menus and functions of the controller, each function AIC products, containing different sets of languages. Refer to “Language” on page in the top menu shows an icon.

  • Page 4: C Ontroller O Peration

    ontroller peratIon Control Panel and Main Functions Domestic Hot Water on/off button - Pressing this button activates/deactivates of the Domestic Hot Water function LCD Display - The display illuminates whenever a control is depressed, and remains on for 8 minutes. For a detail of the symbols and messages displayed on the screen, “Symbols and Messages on the Control Panel”.

  • Page 5: Symbols And Messages On The Control Panel

    ontroller peration Symbols and Messages on the Control Panel Information. Pressing on this button displays the following information (not exhaustive): The following symbols are present on the control panel: î Error (with code and explanation - Refer to “Error Codes” on page Domestic Hot Water mode.

  • Page 6: Boiler Settings For The Installer

    Frost protection active. The appliance will heat up to the frost-protection setpoint. ▷ a code is necessary to access the Engineer level menus. Please contact your AIC representative for more information. ▷ some menu names are slightly different, but have the same function Process in progress.

  • Page 7: Quick Access To Functions For The Installer

    ontroller peration Quick access to functions for the Installer Setting to Low/High Fire Reading the Ionization current and fan speed Access the Commissioning or Engineer level (see “Access Levels (See Fig. 3)” Access the Commissioning or Engineer level (see “Access Levels (See Fig. 3)” on page on page Depress the OK button (2) to access the menus.

  • Page 8: Reading The Error History

    ontroller peration Reading the Error History Access the Commissioning or Engineer level (see “Access Levels (See Fig. 3)” on page Depress the OK button (2) to access the menus. Rotate the selection knob ( ) to reach the Fault function. Press the OK button ) to confirm.

  • Page 9: Performing Reset After An Interactive Error

    If “No” is displayed, rotate the selection knob (2) to display “Yes”. Depress the OK button (1) to confirm. Depress the ESC button (4) to exit each function and menu and get back to the home screen. If the problem is still present, call your AIC representative. Z-099458_EN • B...

  • Page 10: Resetting To Factory Defaults

    ontroller peration Resetting to Factory Defaults If necessary for later reference and before resetting to factory de- faults, make sure to write down the existing settings. All resettable parameters can be reset to their default values, i.e. the values uploaded in the controller in factory.

  • Page 11: Menus And Settings

    Certain functions will only be displayed according to the heating system configuration and the installed modules. ▷ In case of doubt regarding the required setting or the default value of a parameter, please contact your AIC representative. Default Top menu Pgm No.
  • Page 12 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome ▶ Select Mo-Su ▷ Mo-Su, Mo-Fr, Sa-Su, Mo, Tu, We, Th, Fr, Sa, Su Time Prog heating circuit 1 ▶ (selection) 1st phase on 6:00 (h/min) ▶...
  • Page 13 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome ▶ Preselection ▷ Period 1 to 8 Period 1 Holidays heating circuit 1 ▶ Period (selection): Start --:-- (dd:mm) ▶ Period (selection):End --:-- (dd:mm) ▶...
  • Page 14 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Heating circuit 1 (Cnt’d) ▶ Optimum start control max 0 min ▶ Optimum stop control max 0 min ▶ Reduced setp increase start °C -5°C ▶...
  • Page 15 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Heating circuit 1 (Cnt’d) ▶ Starting speed 100% ▶ Pump speed min ▶ Pump speed max 100% ▶ Curve readj. at 50% speed ▶ Filter time const speed ctrl 5 min ▶...
  • Page 16 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Boiler (cont’d) 2316 ▶ Temp differential max 20°C 2317 ▶ Temp differential nominal 20°C 2320 ▶ Pump modulation ▷ None ▷ Demand ▷ Boiler setpoint None ▷...
  • Page 17 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Boiler (cont’d) 2455 ▶ Switching diff off min HCs 5°C 2°C 2456 ▶ Switching diff off max HCs 5°C 2457 ▶ Setting time HCs 10 min 2460 ▶...
  • Page 18 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome General Functions (Cont’d) 5573 ▶ Sensor 1 dT controller 1 ▷ None ▷ DHW sensor B31 ▷ Collector sensor B6 ▷ Return sensor B7 ▷...
  • Page 19 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome 5710 ▶ Heating circuit 1 ▷ Configuration ▷ 5711 ▶ Cooling circuit 1 ▷ ▷ 4-pipe system cooling 5715 ▶ Heating Circuit 2 ▷ ▷...
  • Page 20 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (Cnt’d) 5890 ▶ Relay output QX1 ▷ None ▷ Circulating pump Q4 ▷ El imm heater DHW K6 ▷ Collector pump Q5 ▷ Cons circuit pump VK1 Q15 ▷...
  • Page 21 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (Cnt’d) 5894 ▶ Relay output QX4 ▷ None ▷ Heat gen shutoff valve Y4 ▷ Buffer return valve Y15 ▷ Solar ctrl elem buffer K8 None ▷...
  • Page 22 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 5950 ▶ Function input H1 ▷ None ▷ Optg mode change HCs+ DHW ▷ Optg mode changeover DHW ▷ Optg mode changeover HCs ▷...
  • Page 23 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 5964 ▶ Function value 1 H3 5965 ▶ Voltage value 2 H3 5966 ▶ Function value 2 H3 5970 ▶ Function input H4 ▷...
  • Page 24 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (Cnt’d) 5977 ▶ Function input H5 ▷ None ▷ Optg mode change HCs+ DHW ▷ Optg mode changeover DHW ▷ Optg mode changeover HCs ▷...
  • Page 25 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) ▷ None 6008 ▶ Function Input H6 ▷ Optg mode change HCs+ DHW ▷ Optg mode changeover DHW ▷ Optg mode changeover HCs ▷...
  • Page 26 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (Cnt’d) 6011 ▶ H7 function selection ▷ None ▷ Optg mode change HCs+ DHW ▷ Optg mode changeover DHW ▷ Optg mode changeover HCs ▷...
  • Page 27 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (Cnt’d) 6028 ▶ Funct input EX21 module 3 Same as Pgm Nb 6024 None 6030 ▶ Relay output QX21 module 1 ▷ None ▷...
  • Page 28 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 6033 ▶ Relay output QX21 module 2 Same as Pgm Nb 6030 None 6034 ▶ Relay output QX22 module 2 Same as Pgm Nb 6030 None 6035 ▶...
  • Page 29 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 6045 ▶ Sensor input BX22 module 3 None 6046 ▶ Funct input H2/H21 modul 1 ▷ None ▷ Optg mode change HCs+DHW ▷...
  • Page 30 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 6055 ▶ Cont type H2/H21 modul 2 ▷ ▷ 6057 ▶ Volt val 1 H2/H21 modul 2 6058 ▶ Funct val 1 H2/H21 modul 2 6059 ▶...
  • Page 31 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 6085 ▶ Function output P1 ▷ None ▷ Boiler pump Q1 ▷ DHW pump Q3 ▷ DHW interm circ pump Q33 ▷ Heat circuit pump HC1 Q2 ▷...
  • Page 32 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 6241 ▶ Sign logic out UX21 module1 ▷ Standard Inverted ▷ Inverted 6242 ▶ Signal output UX21 module 1 ▷ 0-10 V ▷...
  • Page 33 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Configuration (cont’d) 6356 ▶ Room controller HC2 Same as Pgm Nb 6355 internally 6357 ▶ Room controller HC3 Same as Pgm Nb 6355 internally 6600 ▶...
  • Page 34 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome 6651 ▶ Slave address Modbus 6652 ▶ Baud rate ▷ 1,200 ▷ 2,400 ▷ 4,800 19200 ▷ 9,600 ▷ 19,200 6653 ▶ Parity ▷ Even ▷...
  • Page 35 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Service/special operation 7050 ▶ Fan speed ionization current 0 rpm (Cont’d) 7051 ▶ Message ionization current ▷ ▷ 7130 ▶ Chimney sweep function ▷ ▷...

  • Page 36: Input/Output Test

    ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome 7700 ▶ Relay test ▷ No test Input/output test ▷ Everything off ▷ Relay output QX1 ▷ Relay output QX2 ▷ Relay output QX3 ▷...
  • Page 37 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Input/output test (cont’d) 7840 ▶ Voltage signal H1 7841 ▶ Contact state H1 ▷ Open Open ▷ Closed 7845 ▶ Voltage signal H2 module 1 Parameters see Contact state H1 7846 ▶...
  • Page 38 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome State 8000 ▶ State heating circuit 1 8001 ▶ State heating circuit 2 8002 ▶ State heating circuit 3 Refer “Operating 8003 ▶ State DHW States - Codes and 8005 ▶...
  • Page 39 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Diagnostics heat generation 8321 ▶ Primary exchanger temp °C (Cont’d) 8323 ▶ Fan speed 8324 ▶ Setpoint fan 8325 ▶ Current fan control 8326 ▶...
  • Page 40 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Diagnostics consumers 8730 ▶ Heating circuit pump 1 ▷ Off / No function (if not connected) ▷ (Cnt’d) 8731 ▶ Heat circ mix valve 1 open ▷...
  • Page 41 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Diagnostics consumers 8962 ▶ Common output setpoint (Cnt’d) 8980 ▶ Buffer temp 1, °C 8981 ▶ Buffer setpoint ▷ Reset ? Yes/No °C 8982 ▶...
  • Page 42 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Burner Control (Cont’d) 9512 ▶ Required output ignition 9513 ▶ Required speed ignition max 9514 ▶ Speed tolerance ignition 200 rpm 300 rpm 150 rpm 9517 ▶...
  • Page 43 ontroller peration Default Top menu Pgm No. Submenu 1 Submenu 2 Nesta Nesta Plus Nesta Chrome Burner Control (Cont’d) 9631 ▶ Speed Tn 9632 ▶ Speed Tv 9650 ▶ Chimney drying ▷ ▷ Temporarily ▷ Permanently 9651 ▶ Req speed chimney drying 500 rpm 9552 ▶...

  • Page 44: Operating States - Codes And Meanings

    ontroller peration Operating States - Codes and Meanings Pgm lines State Meaning code 8000 to Limit thermostat hat cut out The following tables indicate the meaning of the state codes used for the program 8002 lines 8000 to 8011. Manual control active Floor curing function active Some of these codes are for the installer only, and some are visible to the end user.
  • Page 45 ontroller peration Pgm lines State Meaning Pgm lines State Meaning code code 8000 to Frost protection flow active 8003 Forced, Legionella setpoint 8002 Frost protection plant active Forced, Nominal setpoint Frost protection active Forced charging active Continuous pump operation Charging electric, Legionella setpoint Summer operation Charging electric, Nominal setpoint 24-hour ECO active...
  • Page 46 ontroller peration Pgm lines State Meaning Pgm lines State Meaning code code 8003 Forced, reduced temp 8005 Minimum limitation, low-fire Charged Minimum limitation active Protective startup Ready Protective startup, low-fire 8005 Safety limit thermostat limits output Return limitation SLT has cut out Return temperature limitation, low-fire SLT test active In operation...
  • Page 47 ontroller peration Pgm lines State Meaning Pgm lines State Meaning code code 8007 Manual control active 8008 Frost protection plant active Fault Frost protection boiler active Frost protection collector active Frost protection active Recooling active Max stor tank temp reached 8009 Lockout Evaporation protection active...
  • Page 48 ontroller peration Pgm lines State Meaning code 8010 Partially charged, temp setpoint Charged, min charg temp Charged Cold No request for heat 8011 Manual control active Fault Heating mode restricted Forced heat release Heating mode, generation Heating mode Heated, max sw pool temp Heated, solar setpoint Heated, source setpoint Heated...

  • Page 49: E Rror C Odes

    Check connection and/or sensor. Replace as required. Outside temperature sensor error Emergency operation Contact AIC technical support. Boiler temperature 1, sensor error Short circuit or Open circuit boiler flow sensor. Check connection and sensor. Replace as required. Short circuit or Open circuit common flow Common flow temperature, sensor error Check connection and sensor.
  • Page 50 42) BSB RF communication error Check bus connection and components. Data overrun in EEPROM Internal fault in controller, process sensor Contact AIC technical support. Extension module 1, error Check extension module connections. Extension module 2, error Check extension module connections.
  • Page 51 Lack of gas Check connection and component Lack of gas, Reset, if the fault re-occurs more than 3 times, contact AIC technical support. Safety time for establishment of flame exceeded Check ignition electrode and ionization current Polarity of mains connection, safety period,...
  • Page 52 Allow the circuit to cool down and carry out reset; if the fault occurs several Temperature limiter heating circuit 1 times inform AIC technical suport. Allow the circuit to cool down and carry out reset; if the fault occurs several Temperature limiter heating circuit 2 times inform AIC technical suport.
  • Page 53 rror odEs Error Fault description Explanation Action(s) code The use of an automatic refill system is not recommended Check the heating circuit configuration. Fault heating circuit Reset to default parameters Check the heating circuit configuration. Fault boiler Reset to default parameters Sensor error Check connection and sensor.
  • Page 54 Internal repetition Contact AIC technical support Repetition speed Contact AIC technical support Extraneous light Shut off gas supply and contact AIC technical support Mains undervoltage Check electric supply in boiler terminals Fan speed tolerance Check air supply DHW sensor no function Check connection and sensor.

This manual is also suitable for:

Nesta plus seriesNesta chrome series

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