Fondital ANTEA CONDENSING Installation, Use & Maintenance Manual

Fondital ANTEA CONDENSING Installation, Use & Maintenance Manual

Condensing boiler
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IST 03 C 484 - 02
ANTEA
CONDENSING
EN
INSTALLATION,
USE & MAINTENANCE MANUAL

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Robert Kool
February 14, 2025

On the panel OE4 is flickering, the water does not heat anymore, pressure is at 0.8. What do I do"

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Summary of Contents for Fondital ANTEA CONDENSING

  • Page 1 IST 03 C 484 - 02 ANTEA CONDENSING INSTALLATION, USE & MAINTENANCE MANUAL...
  • Page 2: Precautions

    Dear Customer, Thank You for choosing and buying one of our boilers. Please read these instructions carefully in order to properly install, operate, and maintain the equipment. The Manufacturer recommends that Customers contact qualified personnel only for maintenance and repair operations.
  • Page 3: General Information For The Installer, Maintenance Technician And Users

    General information for Installers, Maintenance Technicians and Users This INSTRUCTION MANUAL, which is an integral and indispensable part of the product, must be handed over to the user by the installer and must be kept in a safe place for future reference. The manual must accompany the boiler should it be sold or its possession transferred. Following to the boiler installation, the installer is to advise the user on the boiler operation and its safety devices This boiler must be used for the purposes for which it has been intended.
  • Page 4: Quick Guide Operating Instructions

    QUICK GUIDE OPERATING INSTRUCTIONS The following instructions will help you to switch the boiler on quickly and regulate it for immediate use. It is presumed that the boiler has been installed by a qualified installer, it has been commissioned and is ready to operate correctly.
  • Page 5: Table Of Contents

    CONTENTS Precautions ................................................. 2 General information for the installer, maintenance technician and users ..........................3 Quick guide operating instructions .......................................... 4 1. Instructions for the user ..............................7 1.1. Control panel ................................................7 1.2. LCD ................................................. 8 1.3. Interpreting BOILER STATUS from LCD DISPLAY INDICATIONS ............................. 9 1.4.
  • Page 6 PICTURE INDEX fig. 1 - Control panel ............................................... 7 fig. 2 - LCD ................................................. 8 fig. 3 - Filler cock - model KC .............................................13 fig. 4 - Filler cock - model KRB ..........................................13 fig. 5 - Filler cock - model KR .............................................14 fig.
  • Page 7: Instructions For The User

    INSTRUCTIONS fOR THE USER 1.1. Control panel fig. 1 1. Set domestic hot water temperature These buttons are used to set the domestic hot water temperature within a range from 35°C to 57°C. 2. Recall information and confirm parameters This button is used to scroll the sequence of the values of some parameters, such as: primary flow water temperature, DHW temperature and display of the last 5 shutdowns.
  • Page 8: Lcd

    1.2. fig. 2 a. flue cleaning function indicator (function reserved for installation/service technician) This indicator flashes when the flue cleaning function is active (press the “info” and “reset” buttons simultaneously). The boiler flow water temperature and the fan speed (rpm) are shown (in this case, symbol f is also shown) b.
  • Page 9: Interpreting Boiler Status From Lcd Display Indications

    1.3. Interpreting BOILER STATUS from LCD DISPLAY INDICATIONS Normal operation Boiler in STANDBY mode Boiler in SUMMER mode No function active The flow water temperature is displayed Boiler in WINTER mode No function active The flow water temperature is displayed Boiler in CENTRAL HEATING ONLY mode No function active The flow water temperature is displayed...
  • Page 10: Boiler Operation

    Return probe fault Remote Control connection failure (only shows on Remote Control panel) Triggering of safety thermostat in mixed zone 2 Flow probe failure in mixed zone (the relevant zone is indicated below) Fan failure Communication failure between additional devices Hydraulic configuration not allowed Safety system hardware malfunction Shutdown due to CH low water level...
  • Page 11: Ch Function

    WARNING Should the boiler be left inactive for a long time, particularly when boiler is propane-fired, ignition might be difficult. Before starting the boiler switch on another gas powered device (e.g. kitchen range). Beware that even by following this procedure, the boiler might still experience some starting difficulties and shut down once or twice. Reset boiler operation by pressing button 4 (fig.
  • Page 12: Freeze Protection Function

    1.4.4. freeze protection function This boiler is fitted with an anti-freeze protection system, which works when the following functions are activated: SUMMER, WINTER and CENTRAL HEATING ONLY. The anti-freeze function only protects the boiler, not the whole heating system. A room thermostat must be used to provide freeze protection for the central heating system. Please be aware that the thermostat is disabled when the boiler is in Off mode.
  • Page 13: Burner Shutdown

    1.5.1. Burner shutdown Fault code E01 is displayed flashing on the LCD display in the event of burner shutdown due to no flame recognition. If this happens, proceed as follows: - check that the gas cock is open and that gas is available at the appliance to check the gas supply by turning on another gas appliance and check the emergency control valve is on;...
  • Page 14: Shutdown For Fan Malfunction

    MODEL KR Part no. 0KITIDBA09 filler cock fig. 5 1.5.4. Shutdown due to fan malfunction The fan operation is constantly monitored and in case of malfunction the burner goes off; the code E40 flashes on the LCD. This mode is maintained until the fan recovers normal working parameters. If the boiler should not re-start and remain in this mode, contact a Service Centre or a qualified service engineer.
  • Page 15: Technical Features And Dimensions

    TECHNICAL fEATURES AND DIMENSIONS 2.1. Technical features The boiler is equipped with a fully pre-mixed gas burner. The following model is available: - KC: condensing boiler with sealed chamber and forced draught, supplying CH water and instant DHW production; - KRB: condensing boiler with sealed chamber and forced draught, supplying CH water only;...
  • Page 16: Dimensions

    2.2. Dimensions Model KC 152,5 top view bottom view Gas inlet (1/2”) CH return (3/4”) CH flow (3/4”) Condensate drain DHW outlet (1/2”) 3-bar safety valve drain cock Cold water inlet (1/2”) Dimensions for connection to base Dimensions for connection to base Dimensions for connection to “plus”...
  • Page 17 Model KRB 152,5 bottom view top view Gas inlet (1/2”) CH return (3/4”) CH flow (3/4”) Condensate drain MB Secondary flow to water cylinder (1/2”) 3-bar safety valve drain cock Secondary return from water cylinder (1/2”) Hot water supply ΔT 45°C = 10.0 l/min Hot water supply ΔT 30°C = 15.0 l/min * Hot water supply ΔT 40°C = 11.2 l/min Hot water supply ΔT 25°C = 18.0 l/min *...
  • Page 18 Model KR 152,5 top view bottom view Gas inlet (1/2”) CH return (3/4”) CH flow (3/4”) Condensate drain Cold water inlet (1/2”) 3-bar safety valve drain cock fig. 8...
  • Page 19: Boiler Layout

    2.3. Boiler layout Condensate trap Modulating gas valve Safety thermostat CH temperature probe Modulating fan CH temperature probe Main condensing heat exchanger Ignition electrode Air purging device Combustion air intake system Flue gas discharge system Flue gas analysis test points Flue gas thermostat on flue gas duct Flue gas thermostat on heat exchanger Flame sensing electrode...
  • Page 20: Operating Data

    Model KR 1 sifone raccogli condensa 2 valvola gas modulante 3 doppio sensore di temperatura di mandata Condensate trap ventilatore modulante Modulation gas valve scambiatore primario condensante Flow temperature twin sensor disareatore Modulating fan condotto aspirazione aria Primary condensing exchanger condotto evacuazione fumi Deaerator prese analisi fumi...
  • Page 21: Table 5 - Kc 28 Model Adjustment Rates

    KC 28 Max. CH flue gas heat heat output output DHW output [kW] Gas mains pres- Nozzle Gas type heat input (80-60°C) (50-30°C) sure [mbar] [mm/100] [kW] [kW] [kW] Natural gas G20 26.4 25.4 3.58 28.1 29.2 4.00 9.0 ÷ 9.3 Propane Gas G31 26.4 25.4...
  • Page 22 KC/KRB/KR 12 Max. output Min. output 30% load Casing heat loss with burner on 0.26 7.78 Casing heat loss with burner off 0.55 Chimney heat loss with burner on 2.64 1.92 Flue gas mass capacity 8.25 0.89 Flue gas temp. – air temp °C 57.9 34.5...
  • Page 23: Instructions For Installation

    INSTRUCTIONS fOR INSTALLATION 3.1. Installation standards This is an II2H3P category boiler and must be installed in compliance with laws and standards enforced in the country of installation, which are herein considered as entirely transcribed. 3.2. Installation Accessories and spare parts for installation and service procedures are to be supplied by the Manufacturer. Should non original accessories and spare parts be employed, boiler proper performance is not guaranteed.
  • Page 24 fig. 12...
  • Page 25: Installing The Boiler

    3.2.4. Installing the boiler Before connecting the boiler to CH and DHW networks, clean all primary pipe work carefully. - Before commissioning a NEW system, clean it to remove any metal chips due to machining and welding, any oil and grease that might negatively affect boiler operation or even damage it in case they get inside it.
  • Page 26: Air Intake And Flue Gas Discharge System

    3.2.6. Air intake and flue gas discharge system Flue gas discharge into the atmosphere and air intake/flue gas discharge systems must comply with applicable laws and standards in the country of installation that are considered as fully referred to herein. The boiler is equipped with safety devices checking correct flue gas discharge.
  • Page 27: Configuration Of Air Intake And Flue Gas Discharge Ducts

    3.2.6.1. Configuration of air intake and flue gas discharge ducts Type B23 Boiler intended for connection to an existing flue system external to the boiler room. Combustion air is taken directly from the boiler room itself while flue gas is conveyed to the outside. The boiler does not require any cowl while it must be equipped with a fan mounted before the combustion chamber/heat exchanger.
  • Page 28 KC/KRB/KR 28 Minimum permissible length of horizontal coaxial pipes is 1 meter. Maximum permissible length of Ø 100/60 mm horizontal coaxial pipes is 9 meter. Maximum permissible length of Ø 125/80 mm horizontal coaxial pipes is 13.5 meter. For each additional 1 meter of straight pipe maximum permissible length is to be reduced by 1 meter. For each additional 90°...
  • Page 29: Ø 80 Mm Air Intake And Flue Gas Discharge Via Split Ducts

    3.2.6.3. Ø 80 mm air intake/flue gas discharge via split ducts system The information given is with reference to air intake/flue gas discharge ducts made from smooth, rigid pipes approved and supplied by the manufacturer. Installation types C43 - C53 - C83 KC/KRB/KR 12 Minimum permissible length of air intake duct is 1 meter.
  • Page 30: Checking Combustion Efficiency

    152,5 Ø 80 fig. 16 fig. 17 3.2.7. Checking combustion efficiency 3.2.7.1. flue cleaning function The boiler features a flue cleaning function which must be used to measure in situ combustion efficiency and to set the burner. To activate the flue cleaning function, press and hold the buttons “info”...
  • Page 31: Connection To Gas Mains

    3.2.8. Connection to gas mains Gas supply pipe cross-section must be equal or greater than boiler gas pipe. Cross-section gas pipe size depends on its length, layout pattern, gas flow rate. Gas pipe size is to be selected accordingly. Comply with installation standards enforced in the installation country which are considered as fully transcribed in this booklet. Remember that before operating an indoor gas distribution system and before connecting it to a meter, it must be tightness tested checked for leaks.
  • Page 32: Connection To The Electrical Mains

    WARNING Depending on hardness level of the water supplied, it might be necessary to install a suitable water treatment device for domestic use and in compliance with applicable laws and standards. Water treatment is always advisable when water supplied to the boiler is more than 20°F hard. Water treated by commonly marketed water softeners, due to PH level induced in water, may not be compatible with some components of the system.
  • Page 33: Installation Of The (Optional) External Probe And "Weather Compensation" Operation

    The remote control may be used to view and set a number of special parameters denominated TSP parameters and reserved solely for qualified technicians (table 13). TPS0 parameter sets default data table and restores all factory settings, cancelling all preceding modifications on single parameters. If a single parameter is found to be incorrect, the value given in the default value table is restored.
  • Page 34 External temperature (°C) fig. 21...
  • Page 35: Parameters That Can Be Set From Boiler And Remote Control

    3.2.14. Parameters that can be set from boiler and remote control Configurable Parameter Default values Notes value range 0 = 12 kW natural gas; 1 = 24 kW natural gas; P0 - TSP0 0 to 4 2 = 28 kW natural gas; 3 = 24 kW propane; Boiler output selection 4 = 28 kW propane;...
  • Page 36: Table 14 - Configurable Limits For Tsp Parameters And Default Values

    Display of max calculated flow temperature (with thermoregulation only) Display of flow temperature setpoint for zone 2 Display of current flow temperature for zone 2 Display of flow temperature setpoint for zone 3 Display of current flow temperature for zone 3 Display of flow temperature setpoint for zone 4 Display of current flow temperature for zone 4 Display of DHW plate heat exchanger temperature...
  • Page 37: Filling The System

    3.3. filling the system Once all boiler connections have been completed, CH system can be filled. The procedure is to be cautiously carried out, following each step: - open the air purging valves on all radiators and verify the boiler automatic valve operation; - Gradually open the relevant filling loop connection (fig.
  • Page 38: Available Head

    3.5. Available head Model KC/KRB/KR 12 V1 Pump speed I (min) V2 Pump speed II V3 Pump speed III (max) 1000 1200 flow rate [l/h] fig. 22 Model KC/KRB/KR 24 V1 Pump speed I (min) V2 Pump speed II 1000 1200 V3 Pump speed III (max) flow rate [l/h]...
  • Page 39: Wiring Diagram

    3.6. Wiring diagram SEXT 0CREMOTO04 P17 = 1 P17 = 0 P17 = 3 9: Fase NO 10: Fase NC 11: Neutro 2 3 4 5 6 7 8 9 10 11 9 10 11 9 10 11 1516 17 19 20 ELECTRIC PANEL QUADRO ELETTRICO...
  • Page 40: Table 15 - Relationship Between Temperature And Nominal Resistance For Temperature Probes

    DK: water pressure switch VG: gas valve 0CREMOTO04 (PIN 3 and 4): OpenTherm fL/TM: flow switch (mod. KC)/timer (KRB/KR) P: boiler pump remote control SS: DHW NTC probe 10K Ohm at 25 °C MDV: electric deviating valve SEXT (PIN 5 and 6): external NTC probe 10K E: ignition/flame detection electrode B=3435 Ohm at 25 °C B=3977...
  • Page 41 ALARM REfERENCE P17=0 BOILER REMOTE CONTROL ROOM THERMOSTAT ALARM REMOTE REfERENCE P17=1 BOILER REMOTE CONTROL ROOM THERMOSTAT SOLENOID VALVE SOLENOID VALVE WITH LIMIT SWITCH ROOM THERMOSTAT REfERENCE P17=3 BOILER ROOM THERMOSTAT BOOSTER PUMP...
  • Page 42: Conversion To Other Gas Types And Burner Adjustment

    3.7. Conversion to other gas types and burner adjustment This boiler is built to run on the type of gas specified on the order, which is shown on the packaging and on the boiler rating plate. Any later conversion is to be exclusively carried out by qualified personnel, using using only manufacturer-approved accessories accessories and following the procedure and adjustment instructions for an accurate boiler setting-up.
  • Page 43 LE QUOTE RIQUADRATE CON SONO DA CONSIDERARSI CRITICHE E SOGGETTE A Color STATO DISEGNO VERSIONE Materiale fig. 26 fig. 27 Salvo diversa indicazione tolleranze generali da Scala Peso Finitu ISO 2768 mK Disegnato il Disegnato e veri cato A termini di legge ci riserviamo la proprietà del presente disegno con divieto di riproduzione totale o parziale senza la nostra autorizzazione.
  • Page 44 fig. 29...
  • Page 45: Testing The Boiler

    TESTING THE BOILER 4.1. Preliminary checks Before testing the boiler, it is recommended to check the following: - the flue gas discharge duct and the relative terminal are installed in conformity with the instructions: with the boiler operating there must be no leakage of combustion by-products from any of the gaskets;...
  • Page 46: Maintenance

    MAINTENANCE Any maintenance and repair work must only be carried out by qualified personnel. The manufacturer recommends Customers to contact qualified Service Centres for maintenance and repairs, they are best trained for that procedure. Appropriate boiler maintenance ensures efficient operation, environment preservation, and safety for people, animals and objects. 5.1.
  • Page 47: Table Of Fault Codes

    TABLE Of fAULT CODES BOILER STATUS MALfUNCTION PROBABLE CAUSE SOLUTION Check gas supply Gas supply failure Check gas supply cock or gas network safety valve intervention Burner does not ignite Gas valve is disconnected Reconnect it Gas valve is faulty Replace it PCB is faulty Replace it...
  • Page 48 BOILER STATUS MALfUNCTION PROBABLE CAUSE SOLUTION Fault code E06 shown on LCD display. Normal operation is DHW probe is disconnected Reconnect it restored automatically when the DHW probe is not working faults causing the alarm state are (model KC only) rectified.
  • Page 49 BOILER STATUS MALfUNCTION PROBABLE CAUSE SOLUTION Fault code E36 shown on remote control display. Probe is disconnected. Reconnect it. Normal operation is restored flow probe failure on one of automatically when the faults the installed zones (only with causing the shutdown state are additional zone kit installed).
  • Page 52 Tel. +39 0365 878.31 - Fax. +39 0365 878.576 e mail: info@fondital.it - www.fondital.com Producent zastrzega sobie prawo do wprowadzenia we własnych wyrobach poprawek, które uzna za konieczne lub przydatne, nie zmieniając głównych cech charakterystycznych Uff. Pubblicità Fondital IST 03 C 484 - 02 Aprile 2013 (04/2013)

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