eneral nformatIon Liabilities of the Manufacturer, the Installer and the End user Manufacturer Our products are manufactured in compliance î Any instruction regarding periodic checks to with the requirements of the applicable European be performed and possible anomaly to be Directives and standards, and are therefore reported delivered with all the required documentation and...
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.
Ταχυθερμαντήρας Ζεστού Νερού Χρήσης Τεχνολογίας Συμπύκνωσης | Газов подов Кондензен обемен Бойлер | Boiler de sol cu arzator pe gaz in condensatie Model Date AIC Europe No. Product ID Serial No. G20/G20Y20 G20 – 20 mbar Adjusted | Skorygowana | Configurado | Regolato | Afgesteld op | Prilagojen | Eingestellt für | Réglé pour | Configurado | Скорректировано...
eneral nformatIon Safety Instructions IF YOU SMELL GAS: DO NOT: î Close the gas supply î Use an open flame î Open all doors and windows to venti- î Smoke late the room î Use electrical devices (phones, î...
eneral nformatIon Package Contents î A Texas water heater î An Installation and Maintenance manual î A set of components to be installed before commissioning: - A condensate trap with accessories and protective cover - An air inlet silencer (for B-type chimney connection) and hardware Refer to “Unpacking the Product”...
Some optional equipment can be used with the TEXAS which means that the appliances are connected to the water heaters. Please contact your AIC representative same water circuit and electronic controller, with one for more information and a list of available equipment.
Gas connection On/Off switch Control panel access door Control panel Water tank insulation Removable bottom panel Reversible hinged front door Fig. 4. TEXAS 99 - 230 Components - Front view G-11 H-093630_EN • 02...
roduct escriPtion Control Panel and Main Functions 14:42 Temperature 35°C Nominal setpoint 60°C Fig. 7. Control Panel When entering a menu/sub-menu, the slow rotation of the selector to the right LCD Display - The display illuminates whenever (clockwise) allows to scroll through the the rotary selector is rotated or depressed, menu, down to the last function.
roduct escriPtion Symbols and Messages on the Control Panel The control panel display is divided into several zones Diagnostics (Expert only). Analyze and test info (See Fig. 8): on the system. î a vertical menu bar (1) on the left side of the screen, Adjust/repair (Expert only).
echnical pecificaTionS Clearances Fig. 9. Single Appliance Clearances - View from the Top Clearances Min. Recommended back front 1000 (Front door fully open on hinges) 100 (left) sides 500 (right) G-17 H-093630_EN • 02...
echnical pecificaTionS TX 99 FS TX 230 FS Combustion Data (min. - max.)* (min. - max.)* chimney type(s) B 23 , B 23p, C 43 , C 53 , C 63 , C 83 overheat flue gas temperature °C max. flue gas pressure (incl. max wind condition) min.
nstructIons for the Safety Instructions for the User IF YOU SMELL GAS: DO NOT: î Close the gas supply î Use an open flame î Open all doors and windows to venti- î Smoke late the room î Use electrical devices (phones, door- î...
nstructIons for the Periodic checks ▶ If works need to be performed close to the appliance (e.g. in the boiler room or close to the air ▶ Check regularly that there is inlets), make sure that the appli- no water below the appliance. ance is shut down to prevent the If there is, call your installer ingress and accumulation of dust.
nstructIons for the Starting the Appliance Stopping the Appliance The first start-up of the appliance after its Conditions: installation must be performed by a quali- None fied professional, according to the proce- Procedure: dure in “Start-up and Pump Setting” on page I-57.
nstructIons for the Operating the Controller - End User Level 14:42 Some parameters are only visible if the circuit is installed and enabled. Temperature 35°C Nominal setpoint 60°C Selectable/ Remark Icons In the work area Adjustable Parameters This value indicates the current temperature, as Home —...
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▷ - - - - access A password is required to access the Engineer level and the login will not be possible if you do not enter it. Please contact your AIC representative for more information. U-25 H-093630_EN • 02...
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 rotary selector. turn the selector to adjust the value, then depress the selector to validate.
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nstructIons for the 4 - Time Program Definition Time program Monday Nominal setpoint 60.0°C Set time program 06:00 to 22:00 Start 06:00 End 22:00 Set time program Add phase Add phase 08:00 to 18:00 End 05:00 02:00 to 05:00 Start 02:00 Up to 3 phases can be defined per day.
roduct roduct nstallatIon nstallatIon Safety Instructions for the Installation When the appliance is connect- ▶ ed to the electrical network, it ▶ All connections (electrical, flue pipe, hy- must be earthed. draulic, gas) must be carried out in accord- ance with current standards and regula- ▶...
roduct nstallatIon Failure to comply with these recom- Unpacking the Product mendations can result in damage to The water heater is delivered on a wooden pallet and is the water heater or injuries to the per- secured to the pallet with four screws. sonnel.
roduct nstallatIon Installing and Preparing the Appliance î TX 99: • Remove foam (2) located inside the silencer cover (1). OF F Conditions: • Insert foam (2) into the air inlet pipe, as far possible until it stops. Tools and Material: The protruding fitting of the tracking î...
roduct nstallatIon To close the door, push the top and bottom studs Opening and Closing the Front Door and in position into their receptacles. Access Panels Inspection Cover OF F Conditions: Release 2 screws and retain for reinstallation. Remove inspection cover. Proceed in reverse order Tools and Material: to reinstall.
roduct nstallatIon Inverting the Opening Side of the Front Door OF F Conditions: Tools and Material: î Wrench, size 10 î Wrench, hex head, size 4 Inversion Procedure: The frame is fitted with two sets of hinges, on the left and on the right side. From fac- tory, the appliance is delivered with the door hanging on the left hinges.
roduct nstallatIon Top & bottom Top & bottom Left side of frame 180° Top & bottom Right side of frame 180° 180° Fig. 13. Inverting the Door Opening Side I-33 H-093630_EN • 02...
roduct nstallatIon Safety Instructions for the DHW Circuit Flush thoroughly the circuit be- ▷ fore operation. ▶ Make sure that the circuit is provided ▷ It is recommended to install a fil- with a safety group. It must be com- ter <100µm to prevent residues to posed of a safety valve set at 6 bar, a contaminate the circuit.
roduct nstallatIon G3 Requirements - UK only G3 Requirements (UK only) Discharge pipe from safety valves The Building Regulation G3 requires that any discharge from an unvented system is conveyed to where it is visible, but will not cause danger to persons in or about ▶...
▶ Piping elements should not be bonded malfunction. Please contact your together using glue (e.g. silicone) or foam AIC Technical Support for more (e.g. PUR). information. ▶ A condensation outlet connected to the sewer must be fi tt ed close to the appli- ance.
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roduct nstallatIon ▷ Do not exceed the maximum length ▷ Make sure to insulate the flue pip- recommended for the product ing in damp rooms to avoid con- when connecting the flue pipes, or densation water from forming and the system power might decrease. dripping.
Make sure to install the appliance with the shortest length of combustion air and flue ducts. ▷ When several appliances need to be connect- ed to a common duct, please contact your AIC representative for more information. I-39 H-093630_EN • 02...
Make sure that the ventilation open- Make sure that the ventilation open- ings remain unobstructed at all times. ings remain unobstructed at all times. Make sure to install AIC-approved components when building B23 and B23p systems. Please contact your AIC representative.
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appliance roduct nstallatIon Combustion circuit Sealed Connection Via separate ducts Through separate terminals that may Air inlet/flue outlet orifi ces terminate in zones of diff erent pressures Orifi ces may NOT terminate on opposite Additional requirement walls of the building Mass flow rate of flue gases TX 99 FS .......
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▶ When connecting several appliances to the same duct (i.e. types C 43 , C 83 ), make sure to install an AIC-approved flue damper (it prevents flue backflow into the appliance) on each appliance in the system. The flue gas damper must be installed according to the instructions provided for its installation.
Never use an open flame, as it could result in an explosion. Measuring point Measuring point Fig. 16. TEXAS 99 Gas Valve Fig. 17. TEXAS 230 Gas Valve I-43 H-093630_EN • 02...
roduct nstallatIon Gas Conversion ▶ Connection of the water heater to a G31 gas system should com- ply with local regulations and re- ▶ Conversion of the appliance from quirements. one gas type to another can only If the appliance was running before ▶...
Refer to “Ad- justment of Fan Speeds” on page I-46. Fig. 18. TEXAS 99 - Shutter Pre-adjustment for Propane Fig. 19. TEXAS 230 - Shutter Pre-adjustment for Propane I-45 H-093630_EN • 02...
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“(2/3)” and select “9524 Required speed LF”. Press A password is required to access the the selector (1) to modify the value. The value is Engineer level. Please contact your AIC displayed in white on a black background (2). representative for more information.
roduct nstallatIon Press the selector (1) to confirm and save the value. 10. Rotating the selector, go down the screen to “9529 Required speed HF”. Press the selector (1) to modify the value. The value is displayed in white on a black background.
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î Set “Burner output” to “Full load”. Check that CO level is not higher than 200 ppm. If the CO level exceeds 200 ppm, please contact your AIC representative. Check CO contents in the flue gas at min. output 14:42...
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“Opening and Closing the Front Door and Access If the CO level exceeds 200 ppm, please Panels” on page I-31. contact your AIC representative. î Record the gas conversion in “Gas conversion - Log Sheet” on page I-94. TEXAS 99 TEXAS 230 Fig.
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. ▷ Power supply cable must have a cross-sec- Electrical connections must be carried tion of at least 1,5 mm , up to 2,5 mm max.
roduct nstallatIon Accessing the Electronic Board and Low and High Voltage Terminal strips Make sure that the power supply to the High Voltage Terminal Strip: appliance is deactivated (power supply cable disconnected from the appliance) Remove four screws (3) from the access panel (4). before accessing the high voltage termi- Retain the panel and hardware for reinstallation.
Wiring Diagram - TEXAS 99 Gas Pressure Switch DHW temperature Gas valve Sensor GNYE Flue Gas Temperature Sensor GNYE GNYE GNYE Front Grounding Ignition Transformer Strip Ignition Electrode High Voltage Cable Safety Water Temperature Switch 8 9 10 11 12...
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roduct nstallatIon Condensate Door Temp Limit Level Switch 1 2 3 4 5 6 7 8 1 2 3 4 UX2 UX3 X10a Air pressure switch +15V Air intake RESET BX4/B7 Air pressure switch Flue gas P1 PWM FAN PWM BSB-EM 5 4 3 2 1 12 3 4 5...
roduct nstallatIon Wiring Diagram - TEXAS 230 DHW temperature Gas valve Gas Pressure Switch Sensor GNYE Flue Gas Temperature Sensor GNYE GNYE GNYE Front Grounding Ignition Transformer Strip Ignition Electrode High Voltage Cable Safety Water Temperature Switch 8 9 10 11 12 N L N L Ignition Ignition...
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roduct nstallatIon Condensate oor Temp imit Level Switch 1 2 3 4 5 6 7 8 1 2 3 4 UX2 UX3 X10a Air pressure switch +15V Air intake RESET BX4/B7 Air pressure switch Flue gas P1 PWM FAN PWM BSB-EM 5 4 3 2 1 12 3 4 5...
Refer to the back cover of the manual for easy access. Please contact your AIC representative for more infor- mation about this app. ▷ Alternatively, you can also fill in the instal- lation checklist to indicate the compo- nents that are part of the system.
Make sure that all connections are tight and there A password is required to access the is no leak. Engineer level. Please contact your AIC representative for more information. Push the On/Off switch located at the right side of the appliance.
If the CO level exceeds 200 ppm, î Select and activate the icon please contact your AIC representative î Select “Special operations (1/3)” î Set “Chimney sweep function” to “on”. Follow-on task(s): î Set “Burner output” to “Full load”.
ommissioning Commissioning Wizard The following pages give a view of the struc- When starting up the appliance for the first time, a ture of the commissioning wizard contents. commissioning wizard will be displayed, unless it has Program numbers are provided, as well as been disabled before (e.g.
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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...
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ommissioning Functions Domestic Hot Water 1612 - Reduced setpoint (40°C) 1620 - Release (24h/day / Time programs HCs / Time program 4/DHW) 1630 - Charging priority (Absolute / Shifting / None / MC shifting, PC absolute) 1640 - Legionella function (Off / Periodically / Fixed weekday) 1645 - Legionella function setpoint (65°C)
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Once Commissioning is done, connect to the aicON application and fill in all the relevant in- formation. Refer to the back cover of the manual for easy access. Please contact your AIC representative for more information about this app.
aIntenance Safety Instructions for Maintenance ▶ During annual inspection, the qualifi ed professional will check the general condition and correct Inspection and maintenance tasks must operation of the appliance. be carried out by a qualifi ed and certifi ed professional, at least once a year. ▶...
Maintenance Requirements To perform maintenance, connect to the aicON application and fill in all the relevant information. Refer to the back cover of the manual for easy access. Please contact your AIC representative for more information about this app. @ inspection...
aintenance Shutting Down for Maintenance Restarting after Maintenance Conditions: None Conditions: Procedure: Procedure: Press the On/Off switch located on the right side of 1. Press the On/Off switch located on the right the control panel. side of the control panel. When in the OFF position, the switch in- When in the On position, the switch re- ternal light goes out.
If the obtained values are different from those in the table, replace the hose and repeat steps 2 to 6. When performing the following pro- If the values are still different, contact AIC’s cedure, do not touch the high voltage technical support.
aintenance Removing and Installing the Ignition and Ionisation Electrodes Remove the electrode and screws (1) from the fan OF F Conditions: plate (3). Discard, as required. Remove electrode gasket (2) and discard, as Tools and material: required. î Wrenches, hex head, size 3 and 7 Installation procedure: î...
aintenance Removing, Cleaning and Installing the Condensate Trap Installation Condensate Trap Make sure to put the ball back in place in the trap before reinstalling the cover. Conditions: OF F Install the ball in position inside the condensate Tools and material: trap (7).
aintenance Attention! Please install the condensate trap here Check the manual for further information Fig. 33. Cleaning the Condensate Pipe and Trap I-69 H-093630_EN • 02...
Removing and Installing the Fan, Venturi and “Removing 14. Remove the burner, as required, refer to Gas Valve (TEXAS 99) and Installing the Burner” on page I-74. 15. Remove the burner plate, as required. Refer to “Removing and Installing the Burner Plate” on...
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Fig. 34. TEXAS 99 - Removing and Installing the Fan/Venturi Assembly and Gas Valve I-71 H-093630_EN • 02...
aintenance Removing and Installing the Fan, Venturi and 10. Remove the electrodes, as required, refer to Gas Valve Assembly (TEXAS 230) “Removing and Installing the Ignition and Ionisation Electrodes” on page I-67. Remove the burner, as required, refer to “Removing OF F Conditions: and Installing the Burner”...
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aintenance Fig. 35. TEXAS 230 - Removing and Installing the Fan/venturi/Gas Valve Assembly I-73 H-093630_EN • 02...
“Removing and Installing the Fan, Venturi and Gas To improve grounding of the burner, a Valve (TEXAS 99)” on page I-70 or “Removing and gounding lug is installed on one of the heat Installing the Fan, Venturi and Gas Valve Assembly exchanger studs, between the lower gas- (TEXAS 230)”...
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TEXAS 99 TEXAS 230 Fig. 36. Removing and Installing the Burner I-75 H-093630_EN • 02...
aintenance Removing and Installing the Burner Plate OF F Conditions: Installation procedure: If required, install new insulation (3) on burner plate î Fan assembly / gas valve removed, refer to “Removing (4): and Installing the Fan, Venturi and Gas Valve (TEXAS î...
aintenance Checking and Cleaning the Combustion Chamber Conditions: OF F î Burner plate removed, see “Removing and Installing Using an industrial vacuum cleaner, remove all the Burner Plate” on page I-76. deposits from the combustion chamber heating surfaces. Tools and material: Pour some clean water to remove any residues.
dditionAl nformAtion for the nstAller Checking the Scaling in the Appliance and Descaling î open the cold water filling valve several times OF F Conditions: for a few seconds in order to create a flow that stirs the residues from the bottom of the tank.
dditionAl nformAtion for the nstAller Optional Modules Extension Module & Cable Hub Web Server Module Thanks to an extension module, Texas water heaters Through the use of this module, you can connect to an can control an additional DHW circuit with mixing Ethernet and get remote access to the appliance and functions, or additional accessories.
dditionAl nformAtion for the nstAller Texas in a Cascade System This appliance has all the logic control of the cascaded system and also regulates the stop/start sequence of In a system comprised of several water heaters, it is each appliance according to the demand of the system. important that the power generated by the appliances The devices are connected to each other using the adapts at any moment to the demands of the installation,...
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dditionAl nformAtion for the nstAller Fig. 45. Cascade with three Texas Water Heaters Fig. 46. Cascade with two Texas Water Heaters and Two Buffer Tanks Isolating valve Non-return valve Filling valve Pressure relief valve Draining valve Drain Circulating pump Thermostatic mixing valve Temperature gauge Strainer Pressure gauge...
The process is identical to access the commissioning level. ▷ A password is required to access the Engineer level and the login will be indicated as unsuccessful if you do not enter it. Please contact your AIC representative for more information. Select user level Select user level Expert...
dditionAl nformAtion for the nstAller Structure of Menus for the Installer Top menu Pgm No. Submenu 1 Submenu 2 Default Setting Time of day ▶ Time 01:00 (hh:min) and date (2 pages) ▶ Date 01.01.2030 (dd.mm.yyyy) ▶ Start of summertime 25.03 (dd.mm) ▶...
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dditionAl nformAtion for the nstAller Top menu Pgm No. Submenu 1 Submenu 2 Default Setting 1660 ▶ Circulating pump release ▷ Time program 3/HCP ▷ DHW release ▷ Time program 4/DHW ▷ Time program 5 1661 ▶ Circulating pump cycling ▷...
Lack of gas shut down 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 Polarity of mains connection, safety...
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dditionAl nformAtion for the nstAller Error Fault description Explanation Action(s) code Incorrect / Conflicting parameters Verify parameters or reset to default Parameterization error input. parameters Unit manually locked Reset button stuck in Check reset button Fan speed threshold not Fan possibly defective, speed Check parameters, connections and reached threshold set wrongly.
Common flow sensor missing component Internal repetition Contact AIC technical support Repetition speed Contact AIC technical support Shut off gas supply and contact AIC Extraneous light technical support Mains undervoltage Check electric supply in appliance terminals Fan speed tolerance Check air supply Check connection and sensor.
dditionAl nformAtion for the nstAller Troubleshooting Problem Cause(s) Solution(s) Check that the power butt on is in ON position (pushed in and illuminated) 2. Make sure the power supply cable is Appliance does not start No power supply connected to the mains 3.
dditionAl nformAtion for the nstAller Problem Cause(s) Solution(s) Gas valve malfunction Check wiring connections Burner does not start aft er receiving Fan malfunction signal from appliance controller Check components Ignition/ionization electrode malfunction Check the values with a gas analyser and Combustion chamber gets dirty Wrong combustion sett ings readjust as required.
dditionAl nformAtion for the nstAller Combustion Parameters - Log Sheet Date & Flue gas T° Remarks Name Signature Water Parameters - Log Sheet Water Water Water Water Name & Filling Top-up Remarks Quality Treatment signature Date Date I-91 H-093630_EN • 02...
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...
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dditionAl nformAtion for the nstAller Unit Values/Comments Flue gas Open or closed system? Dimensions of combustion air openings if closed system Material of flue piping Diameter and length of piping system mm / m Chimney system engineered by? Calculated pressure drop, includ- maximum...
dditionAl nformAtion for the nstAller Gas conversion - Log Sheet This appliance was converted on ____/____/_20_____ (dd/mm/yyyy) from gas _______________to gas ________________________(Gas Type: Natural gas G20, G20Y20, G25, G25.3/ Propane G31) with Kit _________________________________________________ (fill in with kit name or number (if required) or cross it out) by: ______________________________________________________ (name and address of organization making this conversion, who accepts responsibility for the correctness of this conversion) This appliance was converted on ____/____/_20_____ (dd/mm/yyyy)
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Connect to aicON on your computer or install the app on your smartphone or tablet to: î Register your product î Complete installation data î Complete commissioning data î Complete maintenance data î Order spare parts î and more... https://tracker.aicon.myaic.eu/ dashboard/login AIC Europe B.V. Graafschap Hornelaan 163A NL-6001 AC Weert The Netherlands www.myaic.eu...
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