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h e a t i n g s y s t e m s installation and maintenance manual FOR THE INSTALLER AND THE USER NESTA CHROME 60·80·100·120 kW WALL — HUNG CONDENSING BOILER...
Safety Instructions for the Chimney Connections . I-35 eneral nformatIon General Instructions for the Installation of Liabilities of the Manufacturer, the Installer AIC-approved Chimney Components ..... I-36 and the End user ..........G-4 Chimney Connection ........I-37 About this Manual ..........G-5 AIC-Approved Chimney Components ..... I-40 Safety Instructions ...........G-6...
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ndex of llustratIons Fig. 1. Data Plate - Typical ..........G-7 Fig. 2. Boiler Components ..........G-9 Fig. 3. Control Panel ............. G-10 Fig. 4. Typical Display ........... G-11 Fig. 5. Single Boiler Clearances ........G-12 Fig. 6. Clearances for Cascaded Boilers ....G-12 Fig.
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...
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.
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...
î Gas pressure switch energy and heating efficiency. î Flue pressure switch The NESTA CHROME series is designed for heat- î Water pressure sensor ing systems and can be used for Domestic Hot î Flue temperature sensor Water production (provided that the system con- î...
roduct escriPtion Control Panel and Main Functions Fig. 3. Control Panel Chimney sweep function button - This button allows to Domestic Hot Water on/off button - Pressing this button ac- perform a measurement of the flue gas contents. tivates/deactivates of the Domestic Hot Water function ( Manual operation mode button - The operation de- LCD Display - The display illuminates whenever a control pends on the function defined for the relays (Expert Lev-...
roduct escriPtion Symbols and Messages on the Control The following symbols are displayed on the screen Panel (See Fig. 4): The following symbols are present on the control ). The time scale ( Comfort mode active ( panel (See Fig. 4): at the bottom of the display indicates the period during which this mode is active (in Domestic Hot Water mode.
echnIcal PecIfIcatIons Dimensions and Clearances 115 mm 136 mm Wall bracket location 550 mm 511 mm (N 60 - 80 WH) 562 mm (N 100 - 120 WH) 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.
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echnical pecificaTionS 344 mm 103 mm 297mm* 224 mm 242 mm* 208 mm 310 mm* 447 mm 420 mm 501 mm 447 mm* 496 mm* * Dimensions for N 100-120 WH N 60 WH N 80 WH N 100 WH N 120 WH dry weight connections (Ø)
echnical pecificaTionS N 60 WH N 80 WH N 100 WH N 120 WH Combustion and Gas Data (min. - max.) (min. - max.) (min. - max.) (min. - max.) chimney type(s) 13(x) 33(x) 43(x) 53(x) 63(x) 83(x) 93(x) °C flue gas temperature at 80/60°C 60.0 - 76.5 60.0 - 82.6...
echnical pecificaTionS Hydraulic Data N 80 WH N 60 WH N 100 WH N 120 WH water content 19.3 17.6 26.3 25.2 pressure drop at ∆T = 20k mbar 70.5 62.0 87.2 87.4 minimum operating pressure maximum operating pressure maximum boiler temperature °C Pressure Drop Curve hydraulic pressure drop...
nstructIons for the Safety Instructions for the User IF YOU SMELL GAS: → DO: → DO NOT: 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...
nstructIons for the Periodic checks If works need to be per- î formed close to the appli- ance (e.g. in the boiler room Check regularly that the wa- or close to the air inlets), î ter pressure of the system is make sure that the appli- at least 1.2 bar when cold.
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 Combus- procedure in Procedure: tion Adjustments” on page I-47. Press the On/Off switch located on the right side of the control panel.
nstructIons for the Basic Settings Setting Procedure Controls/Screens Push on the Heating mode selection button to toggle from one Heating mode mode to the other: selection • Automatic mode ( ) (to be programmed, refer to “Boiler Settings for the Installer” on page I-60. •...
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nstructIons for the Setting Procedure Controls/Screens Press the OK button (2) to access the end user menu. Times of start and end of Rotate the knob (1) to scroll through the menu until “Time Program heating circuit 1” (5) is highlighted. comfort mode schedule Press the OK button (2) to validate the selection...
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nstructIons for the Setting Procedure Controls/Screens Press the OK button (2) to access the end-user menu. Language Selection Rotate the knob (1) to scroll through the menu until “Operator Section” (9) is highlighted. Press the OK button (2) to validate the selection Rotate the knob (1) to select the required language (DE, EN, FR, IT, NL, ES, DA, SV, FI, PT).
nstructIons for the Structure of Menus for the End User Some parameters are only visible if the heating circuit is installed Top menu Submenu 1 Submenu 2 Default Time of day and date Hours / Minutes 01:00 (hh:min) Ҙ (Adjust as required) Day / Month 01.01 (dd.mm) Ҙ...
roduct nstallatIon Safety Instructions for the Installation When the appliance is con- î nected to the electrical net- All connections (electrical, fl ue pipe, î 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...
Perform gas conversion using the option- Failure to comply with these recom- î al kit, as required. Please contact your AIC mendations can result in damage to representative. the boiler or injuries to the personnel Installing the Wall Bracket Using a hand truck or another person, move the appli- ance in its packaging close to the installation location.
roduct nstallatIon Installing and Removing the Condensate Trap Conditions: Holding the condensate trap body ( ) with one hand, rotate the locking ring ( ) coun- Tools and Material: terclockwise to unlock. Retain ring for rein- stallation. The following, provided with the boiler: Pull the condensate trap body ( ) away from î...
roduct nstallatIon Removing and Installing the Access Panels Install two screws ( ) in the left and right top Conditions: corners of the boiler frame. Tools and Material: Font Panel î Screwdriver, crosshead Engage the top of the front panel into the groove of the top panel.
roduct nstallatIon Requirements for the Hydraulic Connections It is recommended to install î the following devices in the system to prevent water contamination : Make sure that the circuit is provided with Water fi lter and/or dirt separator in- î a safety pressure relief valve and an ex- stalled on the return circuit.
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...
roduct nstallatIon Safety Instructions for the Gas Connection Make sure that the gas type î and pressure of the distribu- When connecting the gas circuit, î tion network are compatible make sure to comply with all applica- with the appliance, as per ble local regulations and standards.
Please contact In the case of parallel fl ue systems, î your AIC Technical Support make sure to maintain suffi cient dis- for more information. tance (at least 40 mm) between the A condensation outlet connected to the î...
Installing the pipes - General principles General Instructions for the Installation of AIC-approved Chimney Components Component Characteristics Recommendation Clamped at the sleeve...
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 I-40. tems. See I-37 Z-038791_EN • Rev A...
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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...
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Clearance area is suffi cient for combustion air î (min the size of 2 separate ducts) Make sure to install AIC-approved components from Muelink & Grol when build- “AIC-Approved Chimney Com- ing C13(x), C33(x), C53(x) and C93(x) systems. See ponents” on page I-40...
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 representative for more information. 2.0 m 1.3 m For C43(x), C63(x) and î...
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î When connecting several boilers to the same duct (i.e. types C43, C83 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.
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 professional. Electrical connections must be carried The cross-section of the wires should out by a qualifi ed professional in accord- be >1.5 mm , equipped with sleeves at ance with current standards and regula-...
roduct nstallatIon Accessing the High and Low Voltage Ter- minal Strips and Electronic Board Lower the main electronic casing (along with Make sure that the power sup- optional extension module casing if it is in- ply to the appliance is deactivat- stalled).
roduct nstallatIon Wiring Diagram Signal Signal +24V HALL Signal Signal +24V +15V Signal Signal Signal Signal Signal Signal Signal Ionization I-45 Z-038791_EN • Rev A...
ommIssIonInG Safety Instructions Before Start-up Filling the System Conditions: Check that all connections (electrical, î Procedure: fl ue pipe, hydraulic, gas) have been 1. Connect the fi lling hose ( ) to the system carried out and that they are tight and secure.
ommissioning Start-up and Combustion Adjustments Check CO contents in the flue gas at max output as follows: î Press the Information button ( ). The mod- Conditions: ulation indicator is displayed (in %). Tools and material: î Rotate the knob ( ) to increase to 100% for maximum power.
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...
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.
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.
aintenance Removing and Installing the Ignition and Ionisation Electrodes Conditions: Installation procedure: Tools and material: Install new gasket ( ) on the burner plate ( Insert the electrode and fasten with 2 screws ( î Wrench, hex head, size 3 î...
aintenance Removing and Installing the Fan and Air- Installation Procedure Gas Mixer Assembly Install the fan assembly ( ) with a new gas- ket ( ) (if required) on the burner door, using Conditions: three retained screws and washers ( Torque the screws ( ) at 4 Nm.
aintenance Removing and Installing the Burner Conditions: Installation procedure: Install the burner door insulation plate ( î Fan and air-gas mixer assembly removed, refer “Removing and Installing the Fan and Air- Install burner tube ( ) and new gasket ( ) on burner door ( ) using 6 retained screws and...
aintenance Checking and Cleaning the Combustion Chamber Follow-on tasks: Conditions: Remove and clean condensate trap, refer to “Installing and Removing the Condensate “Removing and Install- î Burner removed, see Trap” on page I-27 ing the Burner” on page I-54. “Removing and In- Install the burner, see Tools and material: stalling the Burner”...
ddItIonal nformatIon for the nstaller Optional Modules Extension Modules & Cable Hub Web Server Module Nesta boilers can control 3 heating circuits with Through the use of this module, you can connect mixing functions, using 3 extension modules. Each to an Ethernet and get remote access to the boiler extension supply needs to be provided with power and all the heating system via the Internet.
dditionAl nformAtion for the nstAller Boilers in a Cascade System This boiler has all the logic control of the cascaded system and also regulates the stop/start sequence In a heating system comprised of several boilers, it of each boiler according to the demand of the in- is important that the power generated by the boilers stallation.
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.
dditionAl nformAtion for the nstAller Boiler Settings for the Installer Commissioning Menu When starting up the boiler for the first time, a com- Access Levels missioning screen will come up. It can be exited Three different levels of settings are available for the without adjustments by pressing the ESC ( ) button.
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dditionAl nformAtion for the nstAller Top menu Level Submenu 1 Submenu 2 Default Setting Pgm No. Units °C, bar Ҙ °C, bar °F, PSI Operator Operation HC2 Jointly with HC1 Ҙ Jointly Section Independently with HC1 (Cnt’d) Operation HC3/P Jointly with HC1...
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dditionAl nformAtion for the nstAller Top menu Level Pgm No. Submenu 1 Submenu 2 Default Setting Room comfort setpoint Heating Ҙ 20.0°C circuit 1 Room reduced setpoint Ҙ 16.0°C Room frost protection Ҙ 10.0°C setpoint Comfort setpoint max Ҙ 35.0°C Heating curve slope Ҙ...
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dditionAl nformAtion for the nstAller Top menu Level Submenu 1 Submenu 2 Default Setting Pgm No. Excess heat draw Heating cir- Ҙ Heating mode Always cuit 1 (Cnt’d) Always With buffer Ҙ With prim contr/system Ҙ...
Action(s) code Outside temperature sen- Check connection and/or sensor. Re- sor error place as required. Emergency operation Contact AIC technical support. Boiler temperature Short circuit or Open circuit Check connection and sensor. Re- sensor error boiler flow sensor. place as required.
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(prog.no. 42) BSB RF communication er- Check bus connection and components. Data overrun in EEPROM Internal fault in controller, pro- Contact AIC technical support. cess sensor Extension module 1, error Chceck extension module connections. Extension module 2, error Chceck extension module connections.
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Check connection and component Safety time for establish- Lack of gas, Reset, if the fault re-occurs more than 3 ment of flame exceeded times, contact AIC technical support. Check ignition electrode and ionization Polarity of mains connection, current safety period,...
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dditionAl nformAtion for the nstAller Error Fault description Explanation Action(s) code Maximum duration of the Check automatic refill system. refill per charging exceeded The use of an automatic refill system is not recommended Maximum duration of the Check automatic refill system. refill per week exceeded The use of an automatic refill system is not recommended Fault heating circuit...
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AIC technical suport. 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.
dditionAl nformAtion for the nstAller Error Fault description Explanation Action(s) code Function ground not con- Check ground connection and install as nected required Temperature primary heat Check the heating system external hy- exchanger too high draulic components. Maintenance Messages Code Meaning Action Number of burner hours run exceeded...
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.
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dditionAl nformAtion for the nstAller Problem Cause(s) Solution(s) Gas valve malfunction Burner does not start after receiving Fan malfunction Check wiring connections signal from boiler controller Check components Ignition/ionization electrode mal- function Check the values with a gas analyser and Combustion chamber gets dirty Wrong combustion settings readjust as required.
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 boilers? Water Water hardness at start up mol/m³...
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dditionAl nformAtion for the nstAller Unit Values/Comments Low loss header in system (Y/N)? Type ? Number of mixers ? Buffer tank (Y/N)? Size? DHW tank (Y/N)? Type? Pump(s) (Y/N)? Type? • In which circuit(s) • Chosen according to require- ments for the appliance? Flue gas Open or closed system? Dimensions...
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dditionAl nformAtion for the nstAller Unit Values/Comments • 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) Name Date Signature NOTES I-74 Z-038791_EN •...
dditionAl nformAtion for the nstAller Water Parameters - Log Sheet Water Water Water Water Name & Filling Top-up Remarks Quality Treatment signature Date Date I-76 Z-038791_EN • Rev A...
EN 15502-1:2012+A1:2015 EN 55014-1:2017 EN 15502-2-1:2012+A1:2016 EN 55014-2:2015 EN 60335-1:2012 EN 61000-3-2:2014-10 EN 60335-2-102:2016 EN 61000-3-3:2013 Signed for and on behalf of AIC EUROPE BV Weert, 30.08.2019 Cyril Bongaerts, Research & Development Director page 1/1 I-77 Z-038791_EN • Rev A...
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