AIC NESTA CHROME 24 Installation And Maintenance Manual
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AIC NESTA CHROME 24 Installation And Maintenance Manual

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FOR THE INSTALLER AND THE USER
NESTA CHROME
24·32·38·45 kW
WALL — HUNG CONDENSING BOILER
EN

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Summary of Contents for AIC NESTA CHROME 24

  • Page 1 installation and maintenance manual FOR THE INSTALLER AND THE USER NESTA CHROME 24·32·38·45 kW WALL — HUNG CONDENSING BOILER...

  • Page 2: Table Of Contents

    Safety Instructions for the Electrical Boiler Marking ..........G-7 Connections ...........U-49 .......G-8 roduct escrIPtIon Cables ............U-49 NESTA CHROME 24-32-38-45 ......G-8 Routing the Cables .........U-49 General Description ..........G-8 Wiring Diagram ..........U-50 Frost Protection ............G-8 Accessing the High and Low Voltage Terminal Safety Devices ............G-8 Strips and Electronic Board ......U-52...
  • Page 3 In the documentation, products of the Nesta Chrome range can be designated indifferently using a full name or abbreviated name: “Nesta Chrome 24 (N 24 WH)” Nesta Chrome 24 or N 24 WH “Nesta Chrome 32 (N 32 WH)” Nesta Chrome 32 or N 32 WH “Nesta Chrome 38 (N 38 WH)”...

  • Page 4: Liabilities Of The Manufacturer, The Installer

    eneral nformatIon Liabilities of the Manufacturer, the Installer and the End user Manufacturer The installer shall provide the end-user with: Any relevant explanation about the op- î Our products are manufactured in compliance eration of the appliance and the heat- with the requirements of the applicable Europe- ing system as well as the safety devices an Directives and standards, and are therefore...

  • Page 5: About This Manual

    eneral nformatIon About this Manual This documentation is part of the product. It will be handed over to the end-user who will keep it, with all the other applicable documents, in a safe place and readily available for use. Before installing, operating or maintaining the appliance, please carefully read this manual and all the applicable documents provided with the components and accessories.

  • Page 6: Safety Instructions

    eneral nformatIon Safety Instructions IF YOU SMELL GAS:  DO NOT:  DO: Close the gas supply î Use an open fl ame î Open all doors and windows to î Smoke î ventilate the room î Use electrical devices (phones, î...

  • Page 7: Package Contents

    Λέβητας συμπύκνωσης τοίχου | Стенен газов кондензен котел | Cazan cu condensare suspendat î An Installation and Maintenance manual Model Serial No. AIC Europe No. î A bracket and hardware for wall installation Date MM.YYYY î A condensate trap (syphon), to be installed G20/G25 î...

  • Page 8: General Description

    Some optional equipment can be used with the “Optional Accessories” on page U-69 Refer to NESTA CHROME boilers. Please contact your AIC for more information. representative for more information and a list of The appliance is not provided with a built-in cir- available equipment.
  • Page 9 roduct escriPtion Fig. 2. Boiler Components Concentric chimney connection (Ø 80/125 mm) 11. On-Off switch Gas valve, with throttle and offset screws for combustion 12. Condensate trap adjustment 13. Heating supply pipe Stainless steel “fire tube” heat exchanger 14. Ionisation electrode Gas pipe 15.

  • Page 10: Control Panel And Main Functions

    roduct escriPtion Control Panel and Main Functions 30.12.2019 14:42 Flow temp 35°C Return temp 32°C Outside temp 18°C DHW temp 55°C System Automatic Fig. 3. Control Panel When entering a menu/sub-menu, the slow LCD Display - The display illuminates whenever the rotation of the selector to the right (clock- rotary selector is rotated or depressed, and remains wise) allows to scroll through the menu,...

  • Page 11: Symbols And Messages On The Control Panel

    roduct escriPtion Symbols and Messages on the Control Panel Service/settings. Gives access to setting op- The control panel display is divided into several tions on device or system, allows to operate Fig. 4): zones (See special operations (e.g. for maintenance work) and allows to log in, in expert view (access to î...

  • Page 12: Dimensions And Clearances

    echnIcal PecIfIcatIons Dimensions and Clearances 95 mm 110 mm Wall bracket location 445 mm 400 mm Clearances Min. Recommended 1,000 bottom front 1,000 sides * In a cascade configuration, boilers can be installed side-by- side with a 40 mm clearance between them. 40 mm 40 mm Fig.
  • Page 13 echnical pecificaTionS N 24 WH N 32 WH N 38 WH N 45 WH N 24 WH N 32 WH N 38 WH N 45 WH dry weight connections (Ø) supply/return ( ) [M] gas ( ) [M] chimney 80/125 G-13 F-111280_EN •...

  • Page 14: Efficiency Data

    echnical pecificaTionS Performance and N 24 WH N 32 WH N 38 WH N 45 WH Efficiency Data (min. - max.)* (min. - max.)* (min. - max.)* (min. - max.)* G20/G25/G31 3,2 - 24,0 3,2 - 32,0 4,5 - 38,0 4,5 - 45,0 heat input (net) G20Y20...

  • Page 15: Combustion Data

    echnical pecificaTionS N 24 WH N 32 WH N 38 WH N 45 WH Combustion Data (min. - max.)* (min. - max.)* (min. - max.)* (min. - max.)* chimney type(s) B 23 , B 23P , C 13(x) , C 33(x) , C 43(x) , C 53(x) , C 63(x) , C 83(x) , C 93(x) flue gas temperature at 80/60°C °C 60-67...

  • Page 16: Gas Data

    echnical pecificaTionS N 24 WH N 32 WH N 38 WH N 45 WH Gas Data (min. - max.)** (min. - max.)** (min. - max.)** (min. - max.)** gas type(s) G20 - G20Y20 - G25 - G25.3 - G31 gas categories*** I2E(S,R), I2H, I2E, I2ELL, I2EK, I3P, II2E3P, II2EK3P, II2L3P, II2H3P, II2Er3P G20/G20Y20 mbar...

  • Page 17: Hydraulic Data

    echnical pecificaTionS Hydraulic Data N 24 WH N 32 WH N 38 WH N 45 WH water content 11,5 11,6 pressure drop at ∆T = 20k mbar < 40 mbar minimum operating pressure maximum operating pressure maximum boiler temperature °C Pressure Drop Curve Pressure drop 24-32 Pressure drop 38-45...

  • Page 18: I Nstructions For The

    nstructIons for the Safety Instructions for the User IF YOU SMELL GAS:  DO NOT:  DO: Close the gas supply î Use an open fl ame î Open all doors and windows to ven- î Smoke î tilate the room î...

  • Page 19: U Ser

    nstructIons for the Periodic checks If works need to be per- î formed close to the appli- ance (e.g. in the boiler room or close to the air inlets), Check regularly that the wa- î make sure that the appli- ter pressure of the system is ance is shut down to pre- at least 0,8 bar when cold.

  • Page 20: Starting The Appliance

    nstructIons for the Starting the Appliance Stopping the Appliance The first start-up of the boiler after its Conditions: installation must be performed by a None qualified professional, according to the “Start-up and Commis- procedure in Procedure: sioning” on page U-54. Press the On/Off switch located on the right side of the control panel.

  • Page 21: Operating The Controller - End User Level

    nstructIons for the Operating the Controller - End User Level 30.12.2019 14:42 Some icons and parameters are Flow temp 35°C only visible if the circuit is installed Return temp 32°C and enabled. Outside temp 18°C DHW temp 55°C System Automatic Selectable/ Icons In the work area...
  • Page 22 nstructIons for the Selectable/ Icons In the work area Adjustable Remark Parameters Operating mode When “off ”, Hot water heat-  Ÿ ing is switched off ; when Ÿ temp. “On”, Hot water is heated to setting the nominal setpoint as per time program Temporary “Recharging”...
  • Page 23 In some recently manufactured products, a password may be required to access the Engineer level and the login will be indicated as unsuccessful if you do not enter it. In that case, please contact your AIC representative for more information. U-23...

  • Page 24: Basic Settings

    nstructIons for the Basic Settings Symbols used for the operation of the selector: turn the selector to the left or to the right. 1 - Time and Date Adjustment depress shortly the rotary se- lector. turn the selector to adjust the value, then depress the se- lector to validate.
  • Page 25 nstructIons for the 4 - Heating Settings - Quick Setup Operating mode Operating mode Operating mode Comfort Comfort Automatic Comfort setpoint Comfort setpoint Comfort setpoint 21.0°C 20.0°C 20.0°C 5 - Time Program Definition Time program Monday Comfort setpoint 21.0°C Set time program 06:00 to 22:00 Start 06:00 End 22:00...
  • Page 26 nstructIons for the 6 - Accessing System Pressure and Temperatures Boiler temp 65°C Error Error Boiler Water pressure 1.2 bar (Mode) Off/Reduced/Comfort Boiler Heating zone x Room temperature --°C (Mode) Off/charged Heating zone x DHW temp. 60°C U-26 F-111280_EN • 02...

  • Page 27: Safety Instructions For The Installation

    roduct nstallatIon Safety Instructions for the Installation When the appliance is con- î nected to the electrical net- î All connections (electrical, fl ue pipe, work, it must be earthed. hydraulic, gas) must be carried out in accordance with current standards Make sure that a fuse or circuit breaker î...

  • Page 28: Handling The Product

    It is prohibited to handle the boiler us- î Perform gas conversion using the option- ing protruding components or rest the al kit, as required. Please contact your AIC boiler on protruding components. representative. Failure to comply with these recom- î...

  • Page 29: Installing And Removing The Condensate Trap

    roduct nstallatIon Installing and Removing the Condensate Trap Holding the condensate trap body ( ) with Conditions: one hand, rotate the locking ring ( ) coun- terclockwise to unlock. Retain ring for rein- Tools and Material: stallation. The following, provided with the boiler: Pull the condensate trap body ( ) away from î...

  • Page 30: Removing And Installing The Front Panel

    roduct nstallatIon Removing and Installing the Front Panel Conditions: Tools and Material: î Screwdriver, crosshead Removal Procedure: Remove three bottom screws ( ). Retain for reinstallation. Pull the bottom of the front panel, then lift the panel upwards to disengage its upper edge from the top panel groove.

  • Page 31: Requirements For The Hydraulic Connections

    roduct nstallatIon Requirements for the Hydraulic Connections Safety Instructions for the Primary Circuit Consult the appliance manufac- î turer to determine the compati- bility of the antifreeze product Make sure that the circuit is provided with with the appliance materials. a safety pressure relief valve and an ex- It is recommended to install the follow- î...

  • Page 32: Water Quality Requirements To Prevent Scaling And Corrosion

    roduct nstallatIon Water Quality Requirements to Prevent Scaling and Corrosion Water Hardness To prevent the formation of scale and sludge in a closed heating circuit through the penetration of If the hardness of the fi ll water is higher than î...

  • Page 33: Typical Hydraulic Connections - Heating Circuit

    roduct nstallatIon Typical Hydraulic Connections - Heating Circuit Isolating valve Filling valve Draining valve Check valve Expansion vessel Safety group (automatic air relief valve, manometer, safety valve), con- nected to the drain Circulating pump Removable fi lling hose Drain Fig. 11. Typical Heating System U-33 F-111280_EN •...

  • Page 34: Hydraulic Connections - Cascaded Boilers, With External Domestic Hot Water Tank And Plate Heat Exchanger

    roduct nstallatIon Hydraulic Connections - Cascaded boilers, with External Domestic Hot Water Tank and Plate Heat Exchanger Isolating valve Heating circuit pump Filling valve DHW circuit pump Draining valve Check valve Motorised 3-way valve Expansion vessel Heating circuit Safety group (automatic pressure relief valve, ma- Removable filling hose nometer, safety valve), connected to the drain.

  • Page 35: Hydraulic Connections - Cascaded Boilers, With External Domestic Hot Water Tank And Low Loss Header

    roduct nstallatIon Hydraulic Connections - Cascaded boilers, with External Domestic Hot Water Tank and Low Loss Header Isolating valve Heating circuit pump Filling valve DHW circuit pump Draining valve Check valve Motorised 3-way valve Expansion vessel Heating circuit Safety group (automatic pressure relief valve, ma- Removable filling hose nometer, safety valve), connected to the drain.

  • Page 36: Safety Instructions For The Gas Connection

    roduct nstallatIon Safety Instructions for the Gas Connection Make sure that the gas type î î When connecting the gas circuit, and pressure of the distribu- make sure to comply with all appli- tion network are compatible cable local regulations and stand- with the appliance, as per the ards.

  • Page 37: Conversion To Propane

    roduct nstallatIon Conversion to Propane Conditions: Make sure to install, the orifice with its shouldered face towards “Remov- î Front panel removed. Please refer to the gas valve. ing and Installing the Front Panel” on page Tighten the gas pipe elbow connection ( ) to U-30 for the correct procedure.

  • Page 38: Adjustment Of Fan Speeds

    roduct nstallatIon Adjustment of Fan Speeds 6. Rotating the selector ( ), adjust the minimum Conditions: fan speed according to the table shown at the bottom of the page. Adjustment Procedure (Fig. 3): 7. Press the selector ) to confirm and save the value. 1.
  • Page 39 roduct nstallatIon Combustion Adjustment after Gas Conversion 4. Check the CO (or O ) contents displayed on the gas analyser, and compare the values with those Conditions: in the table below. 5. If the value is outside the range, adjust Tools and material: combustion value by turning the gas valve î...
  • Page 40 roduct nstallatIon If the value is outside the range, adjust the Follow-on Task(s): î combustion value by turning the offset screw 18), place the yellow sticker î On the gas valve (Fig. (3) in small steps. Allow the value to stabilise indicating that a gas conversion has been carried before performing additional adjustments.

  • Page 41: Safety Instructions For The Chimney Connections

    (at least 40 mm) between the spillage or appliance malfunc- appliance fl ue piping and combustible tion. Please contact your AIC materials, and between the fl ue pipe Technical Support for more in- and air inlet pipe if the latter is made of formation.

  • Page 42: General Instructions For The Installation Of Aic-Approved Chimney Components

    î ted into the sleeve to the end stop. technical specifi cations. Installing the pipes - General principles General Instructions for the Installation of AIC-approved Chimney Components Component Characteristics Recommendation Clamped at the sleeve...

  • Page 43: Chimney Connection

    Remark Can be used for cascading Make sure that the ventilation openings remain unobstructed at all times. Make sure to install AIC-approved components when building B23 and B23P sys- “AIC-Approved Chimney Components” on page U-46. tems. See Combustion circuit Open...
  • Page 44 roduct nstallatIon 13(x) Combustion circuit Sealed Connection Horizontal (wall) terminal Concentric - to a terminal for admission of combustion Air inlet/fl ue outlet orifi ces air from the outside AND fl ue discharge to the outside Close enough to come under similar wind condi- tions - fi tting in: a square of 50 cm î...
  • Page 45 î Clearance area is suffi cient for combustion air î (min the size of 2 separate ducts) Make sure to install AIC-approved components when building C13(x), C33(x), C53(x) and C93(x) systems. See “AIC-Approved Chimney Components” on page U-46 Combustion circuit...

  • Page 46: Aic-Approved Chimney Components

    AIC-Approved Chimney Components Art. Designation AIC Art. code ROOF TERM SKYLINE STD PP 80/125 AR300 1424200025 ROOF TERM SKYLINE STD PP 80/125 AR580 1424200026 WEATHER SLATE STEEP LEAD 80/125 25°-45° 1424500014 WEATHER SLATE FLAT AL 80/125 1424500015 WALL TERM MUGRO STD 80/125 incl. Wall Plates...
  • Page 47 î When connecting several boilers to the same duct (i.e. types C43x, C83x or cascades), make sure to install an AIC-approved flue gas damper on each boiler in the system. î For B23p chimney cascade, please contact your AIC representative.

  • Page 48: Engineering The Chimney System

    Make sure to install the boiler with the short- î est length of combustion air and flue ducts. When several boilers need to be connected î to a common duct, please contact your AIC 1,43 0,81 representative for Int. 125.5 more information.

  • Page 49: Safety Instructions For The Electrical Connections

    roduct nstallatIon Safety Instructions for the Electrical Cables Connections Any damaged power supply cable must be replaced using cables as described below and installed by a qualified pro- fessional. Electrical connections must be carried The cross-section of the wires should out by a qualifi ed professional in accord- be at least 1,5 mm and maximum...

  • Page 50: Wiring Diagram

    roduct nstallatIon Wiring Diagram Gas pressure Switch Casing Gas Valve 230 Vrac Ignition Ignition Transformer Electrode High Voltage Cable Casing 8 9 10 11 12 N L N L Ignition module valve BX1 BX2 BX3 B38 QX1 Boiler Pump L1/NC QX3 DHW Pump L1/NO QX2 Heating Circuit Pump...
  • Page 51 roduct nstallatIon If no room thermostat is installed on H5, install a bridge on 7 & 8 terminals Flue Gas Pressure Switch Water Pressure Sensor 1 2 3 4 1 2 3 4 5 6 7 8 UX2 UX3 X10a +15V RESET Inlet Temperature Sensor...

  • Page 52: Accessing The High And Low Voltage Terminal Strips And Electronic Board

    roduct nstallatIon Accessing the High and Low Voltage Ter- minal Strips and Electronic Board Remove one screw. Retain for installation. Make sure that the power supply to the appliance is deactivated Lower the main electronic casing (along with (power supply cable disconnect- optional extension module casing if it is in- ed from the boiler) before access- stalled).

  • Page 53: Ommissioning

    ommIssIonInG Safety Instructions Before Start-up Filling the System Conditions: Check that all connections (electrical, Procedure: î fl ue pipe, hydraulic, gas) have been 1. Connect the fi lling hose ( ) to the system carried out and that they are tight and fi lling valve ( ) and to the water network tap.

  • Page 54: Start-Up And Commissioning

    ommissioning Start-up and Commissioning Conditions: î Check the gas type before performing the pro- cedure Tools and material: None Procedure: Press the On/Off switch located on the right side of the control panel. When starting the boiler for the first time after installation, the controller will open the Commissioning Wiz- ard automatically.

  • Page 55: Combustion Adjustments (G20/G25/G31

    ommissioning Combustion Adjustments (G20/G25/G31) Combustion Adjustments (G20Y20) Conditions: Conditions: Tools and material: Tools and material: î Flue gas analyser î Screwdriver, flat head, size 3 î Flue gas analyser î Wrench, hex head, sizes 2 and 2.5 î Screwdriver, flat head, size 3 head, sizes 2 and 2,5 Procedure: î...

  • Page 56: Commissioning Wizard

    ommissioning Commissioning Wizard The following pages give a view of the When starting up the boiler for the first time, a com- structure of the commissioning wizard missioning wizard will be displayed, unless it has contents. Program numbers are pro- been disabled before (e.g.

  • Page 57: General Structure Of The Commissioning Wizard

    Follow the instructions on the screen if you need to change anything, or skip this chapter. Please contact AIC ‘s technical support for additional information. Continue...
  • Page 58 These sections allow to define the flow temp for different con- Consumer circuit 2 figurations. Follow the instructions on the screen if you need to change anything or skip this chapter. Please contact AIC’s techni- Swimming pool circuit cal support for additional information. Solar...
  • Page 59 ommissioning Secure 6200 - Save sensors / Yes) 7170 - Telephone customer service (0..) Continue Commissioning wizard 7167 - Commissioning wizard (Off / On ... next time the control device is switched on) Continue Complete parameter list Select this function if any chang- Commissioning wizard es were made in the commis- Refresh operator unit...

  • Page 60: Safety Instructions For Maintenance

    aIntenance Safety Instructions for Maintenance The maintenance of the ap- î pliance and its components must be carried out by a qualifi ed professional. Inspection and maintenance tasks î Defective parts and components may î must be carried out by a qualifi ed and only be replaced by genuine factory certifi ed professional, at least once a parts or parts approved by the manu-...

  • Page 61: Maintenance Requirements

    aintenance Maintenance Requirements @ inspection @ maintenance Tasks (1 year) (2 years max) Check that the boiler room ventilation / boiler air and flue ducts are unobstructed. Verify flue gas and combustion air ducts are in good condition, sealed tight and properly supported. Open the front panel and check the general condition inside the cabinet.

  • Page 62: Shutting Down For Maintenance

    aintenance Shutting Down for Maintenance Restarting after Maintenance Conditions: Conditions: None Procedure: Procedure: Press the On/Off switch located on the right Press the On/Off switch located on the right side of the control panel. side of the control panel. The switch is illuminated when in ON When in the OFF position, the switch position.

  • Page 63: Removing And Installing The Ignition And Ionisation Electrodes

    aintenance Removing and Installing the Ignition and Ionisation Electrodes Conditions: Installation procedure: Install new gasket ( ) on the burner plate ( Tools and material: Insert the electrode and fasten with 2 screws ( î Wrench, hex head, size 3 Torque screws at 2,5 Nm.

  • Page 64: Removing And Installing The Fan And Air-Gas Mixer Assembly

    aintenance Removing and Installing the Fan and Air- Gas Mixer Assembly Installation Procedure: Conditions: Install the fan assembly ( ) with a new gasket ) (if required) on the burner plate, using four retained screws and washers ( Tools and material: Torque the screws ( ) at 4 Nm.
  • Page 65 aintenance Fig. 25. Removing and Installing the Fan and Air-Gas Mixer Assembly U-65 F-111280_EN • 02...

  • Page 66: Removing And Installing The Burner

    aintenance Removing and Installing the Burner Conditions: Installation procedure: 1. Install the burner plate insulation plate ( î Fan and air-gas mixer assembly removed, refer “Removing and Installing the Fan and Air- 2. Install burner tube ( ) and new gasket ( ) on burner plate ( ) using four retained screws and...
  • Page 67 aintenance Fig. 26. Removing and Installing the Burner U-67 F-111280_EN • 02...

  • Page 68: Checking And Cleaning The Combustion Chamber

    aintenance Checking and Cleaning the Combustion Checking the Flue Pressure Switch oper- Chamber ation Conditions: Conditions: “Removing and Install- î Burner removed, see Tools and material: ing the Burner” on page U-66. î Manometer (measuring range up to min 500 Pa) Tools and material: Check Procedure: î...

  • Page 69: Optional Accessories

    Cascade System” on page U-70. Hydraulic kits Two hydraulic kits, with one or two pumps, are available for this appliance. Please contact your AIC representative for more information. Cascade Module Fig. 30. Cascade Module U-69 F-111280_EN • 02...

  • Page 70: Boilers In A Cascade System

    dditionAl nformAtion for the nstAller Boilers in a Cascade System The principal boiler activates the required functions In a heating system comprised of several boilers, it and shows the additional menus with the parame- is important that the power generated by the boilers ters for use with the cascaded system.
  • Page 71 dditionAl nformAtion for the nstAller H.C. – Heating circuit 10. DHW Storage tank D.H.W. – Domestic hot water 11. DHW Storage tank temperature sensor A – Mains cold water supply/drain 12. Check valve B – DHW cold water supply 13. Water pressure sensor Return temperature sensor 14.

  • Page 72: Weather Compensation Curve

    dditionAl nformAtion for the nstAller Weather Compensation Curve The heating curve generates the flow tempera- Increasing the slope: Raises the flow temperature, ture setpoint (program lines 720, 1020 and 1320 especially when the outside temperature is low. for HC1 to HC3), which is used to maintain a cer- Decreasing the slope: Lowers the flow tempera- tain flow temperature level depending on the pre- ture, especially when the outside temperature is low.

  • Page 73: Boiler Settings For The Installer

    Complete Parameter List Engineer level and the login will be indicat- ed as unsuccessful if you do not enter it. In that case, please contact your AIC repre- sentative for more information. Select user level Expert...

  • Page 74: Quick Access To Functions For The Installer

    dditionAl nformAtion for the nstAller Quick access to functions for the Installer Setting to Low/High Fire - Reading Ionization current and fan speed Select User Level Expert Continue Commissioning Controller Stop function Special operations (4/6) Home screen Low fire Controller Stop Setpoint High fire 100% Ionization current...

  • Page 75: Structure Of Menus For The Installer

    dditionAl nformAtion for the nstAller Structure of Menus for the Installer Top menu Submenu 1 Submenu 2 Default Setting page Pgm No. Time of day Hours / Minutes  01:00 (hh:min) and date (2 pages) Date 01.01.2030  (dd.mm.yyyy) Start of summertime 25.03 ...
  • Page 76 dditionAl nformAtion for the nstAller Top menu Pgm No. Submenu 1 Submenu 2 Default Setting page Heating Ext’n 24-hour heating limit  Ÿ circuit 1 Ÿ (Ctn’d) Flow temp setpoint min 8°C  Flow temp setpoint max 80°C  Flow temp setpoint room ...
  • Page 77 dditionAl nformAtion for the nstAller Top menu Pgm No. Submenu 1 Submenu 2 Default Setting page Flow setp readj speed ctrl  Ÿ Ÿ Operating level changeover Frost protection  Ÿ Reduced Reduced Ÿ Comfort Ÿ Optg mode changeover None ...

  • Page 78: Error Codes And Solutions

    Check connection and/or sensor. Re- Outside temperature sen- place as required. sor error Emergency operation Contact AIC technical support. Boiler temperature 1, Short circuit or Open circuit Check connection and sensor. Re- sensor error boiler fl ow sensor. place as required.
  • Page 79 BSB RF communication Check bus connection and compo- error nents. Internal fault in controller, pro- Data overrun in EEPROM Contact AIC technical support. cess sensor Extension module 1, error Check extension module connections. Extension module 2, error Check extension module connections.
  • Page 80 Check connection and component Lack of gas, Reset, if the fault re-occurs more than 3 times, contact AIC technical support. Safety time for establish- ment of fl ame exceeded Check ignition electrode and ionization Polarity of mains connection,...
  • Page 81 Allow the circuit to cool down and carry Temperature limiter heating out reset; if the fault occurs several circuit 1 times inform AIC technical suport. Allow the circuit to cool down and carry Temperature limiter heating out reset; if the fault occurs several circuit 2 times inform AIC technical suport.
  • Page 82 dditionAl nformAtion for the nstAller Error Fault description Explanation Action(s) code Temperature diff erence, Check the heating system external hy- heat exchanger too large draulic components. Mains frequency outside Check correct electric supply in boiler permissible range terminals. DHW charging tempera- Check connection and sensor.

  • Page 83: Performing Reset

    0,4 to 10 seconds. The page is automatically closed if the error has disappeared. The message “! Reset” appears on the screen. î î If the problem is still present, call your AIC representative. î U-83 F-111280_EN • 02...

  • Page 84: Troubleshooting

    dditionAl nformAtion for the nstAller Troubleshooting Problem Cause(s) Solution(s) 1. Check that the power button is in ON position (pushed in and illuminated) 2. Make sure the power supply cable is Boiler does not start No power supply connected to the mains 3.

  • Page 85: Maintenance Messages

    dditionAl nformAtion for the nstAller Problem Cause(s) Solution(s) Gas valve malfunction Burner does not start after receiving Fan malfunction Check wiring connections Check components signal from boiler controller Ignition/ionization electrode mal- function Check the values with a gas analyser and Combustion chamber gets dirty Wrong combustion settings readjust as required.

  • Page 86: Installation Checklist

    dditionAl nformAtion for the nstAller Installation Checklist Unit Values/Comments General/heating system Type of building/system Commercial purpose (Y/N) ? Year of manufacture Output of system Heated surface m² Number of heating circuits: • Floor heating • Radiators • Other Cascade (Y/N)? Number of appliances? Water Water hardness at start up...
  • Page 87 dditionAl nformAtion for the nstAller Unit Values/Comments Plate heat exchanger in the system (Y/N)? Type? Low loss header in system (Y/N)? Type ? Number of mixers ? Buff er tank (Y/N)? Size? DHW tank (Y/N)? Type? Pump(s) (Y/N)? Type? • In which circuit(s) •...
  • Page 88 dditionAl nformAtion for the nstAller Unit Values/Comments Controller Appliance controller? Other controller (Y/N)? Type? Optional modules installed (Y/N) • Type? Optional items installed (Y/N)? • Outdoor sensor (Y/N)? Type? • Room unit(s) (Y/N)? Type? • Others? Miscellaneous The end user has received all rele- vant information (Y/N)? The end user has received all rele- vant documents (Y/N)?

  • Page 89: Combustion Parameters - Log Sheet

    dditionAl nformAtion for the nstAller Combustion Parameters - Log Sheet Date & Flue gas T° Remarks Name Signature U-89 F-111280_EN • 02...

  • Page 90: Water Parameters - Log Sheet

    dditionAl nformAtion for the nstAller Water Parameters - Log Sheet Water Water Water Water Name & Filling Top-up Remarks Quality Treatment signature Date Date U-90 F-111280_EN • 02...

  • Page 91: D Eclaration Of C Onformity

    eclaratIon of onformIty U-91 F-111280_EN • 02...
  • Page 92 AIC Europe B.V. Graafschap Hornelaan 163A NL-6001 AC Weert The Netherlands www.myaic.eu...

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