Fondital Tahiti Dual hc Installation, Use And Maintenance Manual

Fondital Tahiti Dual hc Installation, Use And Maintenance Manual

Gas fired wall mounted condensing boiler

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TAHITI DUAL
HC - HR
GB
Gas fired wall Mounted condensing boiler
Tahiti Dual 24 - 32 kW Combi (HC)
Tahiti Dual 24 - 32 kW Regular (HR)
INSTALLATION,

USE AND MAINTENANCE

MADE IN ITALY

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  • Page 1: Use And Maintenance

    TAHITI DUAL HC - HR Gas fired wall Mounted condensing boiler Tahiti Dual 24 - 32 kW Combi (HC) Tahiti Dual 24 - 32 kW Regular (HR) INSTALLATION, USE AND MAINTENANCE MADE IN ITALY...
  • Page 2: Natural Gas

    Natural Gas Fondital Tahiti Dual HC 24 kW Line Combi (HC) G.C.N° 47 309 04 Fondital Tahiti Dual HR 24 kW Line Regular (HR) G.C.N° 47 309 05 Fondital Tahiti Dual HC 32 kW Line Combi (HC) G.C.N° xx xxx xx Fondital Tahiti Dual HR 32 kW Line Regular (HR) G.C.N°...
  • Page 3 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.
  • Page 4: General Information For Fitters, Maintenance Technicians And Users

    In the event of failure and/or malfunction, shut down the system. Do not interfere with or attempt any repairs. Call for professionally qualified technical assistance only. Fondital helpline UK 08700 34 8820. Any warranty repairs to the appliance must be carried out exclusively by the manufacturer’s authorised service centre using original spare parts.
  • Page 5: Product Conformity

    The warnings contained in this chapter have been written for the appliance user, the installer and the service engineer. 1.2. Product conformity FONDITAL S.p.a. declare that all its products are manufactured to a high specification and in compliace with the relevant standards. All FONDITAL boilers are CE certified and possess technical and functional characteristics that comply with the following standards: UNI EN 297 for GAS-FIRED CENTRAL HEATING BOILERS TYPE B OF NOMINAL HEAT INPUT ≤ 70 kW EN 483 for GAS-FIRED CENTRAL HEATING BOILERS TYPE C OF NOMINAL HEAT INPUT ≤ 70 kW...
  • Page 6: Table Of Contents

    CONTEST 1. General information for fitters, maintenance technicians and users pag. 1.1. General warnings pag. 1.2. Product conformity pag. 2. Instructions for the user pag. 2.1 Control panel pag. 2.2 Operating the boiler pag. 2.2.1. Switching on pag. 2.2.2. CH function pag.
  • Page 7: Instructions For The User

    2. Instructions for the user Fondital is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, efficiency and performance.
  • Page 8 9. Boiler mode When the knob is in the OFF position the boiler is in stand-by mode. When the knob is in the SUMMER position , the boiler supplies DHW only. When the knob is in the WINTER position , the boiler supplies both CH and DHW. When the knob is in the ANTI-FREEZE position , only the boiler anti-freeze function is active. When the knob is turned to the RESET position and back , the boiler resumes operation. 10. DHW temperature regulator This knob is used to set the DHW temperature within the range 35 - 57°C WARNING The boiler has a special built-in regulator that limits DHW flow up to 10 litres per minute. In addition to the DHW temperature set on this regulator, the DHW temperature also depends on the amount of water requested by the user and the supply temperature. 11. CH temperature adjustment This knob is used to set the temperature of the water in the heating system. The setting range is 35 - 78°C. 12.
  • Page 9: Operating The Boiler

    COLOUR DISPLAY ACCORDING TO BOILER STATUS Regular working LIGHT 1 LIGHT 2 LIGHT 3 LIGHT 4 LIGHT 5 LIGHT 6 LIGHT 7 LIGHT 8 Power connected to boiler GREEN Burner on GREEN YELLOW CH temperature < 25°C GREEN 26°C < CH temperature < 35°C GREEN 36°C <...
  • Page 10: Dhw Function

    2.2.3. DHW function The domestic hot water supply function is active on model HC, and on model HR with an (optional) external water heater. This function always has priority over central heating water. For model HC, the temperature setting range is 35-57°C (from the counter-clockwise limit position to the time limit of regulation knob 10). For model HR with an (optional) external water heater with an NTC probe (10 kΩ @ ß=3435; refer to the water heater specifications), the temperature setting range is 35-57°C (from the counter-clockwise limit position to the time limit of regulation knob 10).
  • Page 11: Boiler Lockout

    Shut-down due to overheating When the CH water gets too hot, the boiler shuts down, and light 3 (red) starts flashing. If this happens, contact an authorized Service Centre or a qualified service engineer. Should the above happen contact the Fondital helpline UK or CORGI registered engineer with appropriate competence for service. 2.3.3. Shut-down due to inadequate air/flue gas draught If the burner shuts down due to a malfunction of the air intake and/or flue discharge piping, light 4 starts to flash.
  • Page 12: Shut-Down Due To Low Water Pressure

    • Red light no. 2 and yellow light no. 8 when CH probe malfunction occurs. • Red light no. 2 when DHW probe malfunction occurs. • Red light no. 2 and yellow light no. 8 (flashing alternately) for external cylinder probe (model HR with external boiler and NTC temperature probe). Should the boiler not re-start and still remain in the above status, contact the Fondital helpline UK or CORGI registered engineer with appropriate competence for service. 2.4. Maintenance Routine boiler maintenance must be provided according to the applicable laws in the country of installation and following the instructions given in the relevant section in this manual.
  • Page 13: Technical Characteristics And Dimensions

    Technical characteristics and dimensions The boiler is equipped with an atmospheric burner. All versions are equipped with electronic ignition and ionization flame control. The following models of boiler are available: HC 24: sealed chamber and forced draught, electronic ignition and instant DHW supply (25.5 kW); HR 24: sealed chamber and forced draught, electronic ignition, CH supply only (25.5 kW); HC 32: sealed chamber and forced draught, electronic ignition and instant DHW supply (31.5 kW); HR 32: sealed chamber and forced draught, electronic ignition, CH supply only (31.5 kW); The boilers meet local applicable Directives enforced in the country of destination, which is stated on their data plate. Boiler installation in a different country from specified may endanger people, animals and objects.
  • Page 14: Dimensions

    3.1. Dimensions Bottom view Top view Condensate drain CWI Cold water inlet (HC model only) CH system flow 3-bar safety valve drain cock Gas intake CH system return Inspection trap plug Drain cock DHW DHW hot water draw off (HC model only) pic. 4...
  • Page 15: Layout

    3.2. Layout HR MODEL Condensate drain Modulating gas valve CH temperatura probe Burner nozzles Flame detection electrode Safety thermostat Heat exchanger Sealed combustion chamber Flue gas extraction fan 10. Flue gas pressure test point 11. Flue gas pressure safety switch 12.
  • Page 16: Operating Data

    3.3. Operating data Burner pressures must be verified after a three minute boiler operation time. HC 24 / HR 24 Heat Heat Heat Mains gas Nozzle diam- Burner pressure input output output pressure eter [mbar] Function [kW] 80-60°C 50-30°C [mbar] [mm] [kW] [kW]...
  • Page 17: Instructions For The Fitter

    HC 24 / HR 24 Max. heat output Min. heat output 30% heat output Boiler casing heat loss with burner on 1.71 2.06 Flue system heat loss with burner on 2.39 4.74 Flue system mass capacity 13.5 14.3 Flue temp. – air temp. °C 47.9 45.4 (gas G20)
  • Page 18: System Details

    This appliance meets the requirements of: - UNI EN 677 for GAS-FIRED CENTRAL HEATING BOILERS. SPECIFIC REQUIREMENTS FOR CONDENSING BOILERS WITH NOMINAL HEAT INPUT ≤ 70 kW, IPX4D rating for electrical appliances, - EMC DIRECTIVE 89/336 CE, - LVD DIRECTIVE 2006/95 CE, - BOILER EFFICIENCY DIRECTIVE 92/42 CE Failure to install a gas appliance correctly and in accordance with the above norms could lead to prosecution. It is in the interest of the installer and safety that the law is complied with.
  • Page 19: Domestic Hot Water Circuit

    4.2.3. Domestic Hot Water Circuit All DHW circuits, connections, fittings, etc. should be fully in accordance with relevant standards and water supply regulations. Your attention is drawn for GB: Guidance G17 to G24 and recommendation R17 to R24 of the Water Regulations Guide. 4.3. Site requirements 4.3.1. Choosing where to install the boiler The following must be taken into account when choosing where to install the boiler: Approved document L1 + L2 government guidelines. Check the wall is strong enough to support the weight of the boiler. Do not fit the boiler above any equipment that may affect operation (kitchen appliances that emit steam or greasy vapour, washing machines, etc.).
  • Page 20 pic. 10...
  • Page 21: Boiler Room Ventilation

    4.3.3. Boiler room ventilation The boiler has sealed combustion chamber. Combustion air is not drawn from boiler room therefore specific recommendations need not to be applied concerning the boiler room or openings and ventilation provided to the boiler room. It is mandatory to install the boiler in an adequate room following laws and standards applicable in the country of installation, which are considered as fully transcribed in this manual.
  • Page 22: Installation (Authorised Personnel)

    4.4. Installation (authorised personnel) 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. 4.4.1. Packaging Boiler is shipped in a sturdy cardboard box. Remove boiler from cardboard box and check its integrity. The packing materials can be recycled and should be disposed of at an appropriate waste collection site.
  • Page 23: Hydraulic Connections

    To prevent the main exchanger pipes from getting clogged with any material accumulated in the system it is necessary to install a filter which can be inspected (Y-shaped type) with Ø 0.4mm-mesh span, on the heating return pipe, before the boiler (part of hydraulic kit) like our accessory 0KITFILT00 (pic.13) pic.
  • Page 24 External termination via internal discharge branch Termination to an internal soil and Boiler Boiler e.g. sink waste - downstream vent pipe Pipe must terminate above water level but Sink below surrounding surface 450 mm min Termination to a drain or gully Termination to a purpose made soak- away Boiler...
  • Page 25: Adjustable By-Pass

    4.4.5. Adjustable by-pass The boiler is equipped by an adjustable by-pass. By-pass operation can be inhibited. Pic. 15A shows an adjusting by-pass screw set for by-pass operation preclusion. Pic. 15B shows an adjusting by-pass screw set for by-pass operation. The boiler is supplied with by-pass set to closed by-pass. Closed Open By-pass...
  • Page 26: Configuration Of Air/Flue System Pipes

    Type Type 4.5.2. Configuration of air/flue system pipes Type Types: B22, C12, C32, C42, C52, C82 This boiler is intended for connection to an existing flue system either inside or outside the boiler room. Combustion air is drawn straight from the boiler room itself and flue gas is conveyed to the outside.
  • Page 27: Ø 100/60 Mm Air/Flue Gas Coaxial Duct System

    In order to ensure that the appliance functions correctly and efficiently, the flue connection between the boiler and the flue terminal must be made using original components specifically designed for condensing boilers. Traditional flue components cannot be used for conveying exhaust fumes from condensing boilers, nor vice versa. It is recommended that: for the exhaust discharge duct, the entire length of the flue slopes upwards towards the exterior in order to facilitate the flow of condensate back to the combustion chamber, which has been specifically designed to collect and drain the acidic condensate;...
  • Page 28: Ø 80 Mm Air/Flue Gas Split Duct System

    HR 24 and HC 24 HC 32 and HR 32 Pipe length (m) Air intake diaphragm Pipe length (m) Air intake diaphragm (mm) (mm) 0.5≤ L ≤ 2 0,5≤ L ≤ 2 2 ≤ L ≤ 5 2 ≤ L ≤ 4 The boiler is equipped with a device for controlling the emissions of the products of combustion. If the flue gas and/or combustion air intake system fails, the device sets the equipment in the safety configuration (subsection 2.3.3).
  • Page 29 Installation types C12- C32- C42- C52- C82 HR-HC 24 and HR-HC 32 AIR INTAKE STUB For installations with separate air intake and PIPE flue gas discharge pipes the split base kit (code 0KITSDOP01) must be used. The kit consists of the NEOPRENE following components (pic.
  • Page 30 Configuration of Ø 80 mm flue gas discharge and air intake pipes Example no. 1 (pic. 23) Primary air intake and flue gas discharge through two opposing out- side walls. Example no. 2 (pic. 24) Primary air intake through outside wall and flue gas discharge through outside wall behind the boiler.
  • Page 31: Electrical Supply Connection

    4.5.5. Electrical supply connection The boiler is supplied with a three-poled power cable, already connected to the electronic board and it is provided with an anti-rupture firming clamp. The boiler is to be connected to a 230V~50Hz electrical power supply. When connecting the boiler to power mains, follow correct phase/neutral polarity sequence.
  • Page 32 Only original external temperature probes supplied by the manufacturer must be used. If non-original external temperature probes are used, correct operation of the boiler cannot be guaranteed. External temperature probe connection is to be performed by means of a double insulated wire, its minimum cross-section is to be 0.35 sq.mm. External temperature probe is to be connected to M8 position of the boiler printed circuit board (pic. 29). External temperature probe wiring is NOT to be grouped together with power mains supply cables. pic.29 External temperature probe is to be installed on an outside wall facing north/north-east, in a position protected from atmospheric agents.
  • Page 33: Installation Of The Opentherm Remote Control (Optional Equipment Only For Hr Model)

    1,25 -12 -16 External temperature (°C) pic.31 4.5.8. Installation of the OpenTherm remote control (optional equipment only for HR model) The boiler can be connected to an OpenTherm remote control, an optional only for HR model supplied by the manufacturer. The remote control must be installed by a suitably qualified person.
  • Page 34: Burner Adjustment

    4.6. Burner adjustment A) Max power adjustment • Check the gas supply pressure (refer to tables 3 and 4) • Remove the plastic cap (С, pic. 32), which is positioned on top on the modulating coil and protects the gas valve pressure adjusting nut and screw. •...
  • Page 35: Commissioning

    Commissioning 5.1. Commissioning the boiler It is recommended to carry out the following: - reference should be made to BS 5449 Section 5 when commissioning the boiler; - open the mains water supply to the boiler; - open all hot water taps to purge the DHW system; - ensure that the filling loop is connected and open, then open the heating flow and return valves on the boiler; - the system must be flushed in accordance with BS 7593 and the flushing agent manufacturers instructions; - pressurise the system to 1.5 bar then close and disconnect the filling loop; - turn the gas supply on and purge according to BS 6891 “Domestic Gas Installations”; - test for gas soundness; - turning either of the temperature control knobs will set the relevant temperature. When the knob is turned the display will alter and show the selected temperature. After a few seconds the display reverts to show the current boiler temperature. At the time of commissioning, complete all relevant sections of the Benchmark Checklist located on the inside back pages of this document.
  • Page 36: Servicing

    Duct diameter and length in the flue gas system. Boiler installation in accordance to this “Installation use and maintenance” manual instructions. Should the boiler not correctly operate, while not creating any danger to people, animals or property, inform the Fondital hel- pline UK both verbally and in writing.
  • Page 37: Testing Combustion Efficiency

    6.5. Testing combustion efficiency 6.5.1. “Chimney sweep” function The boiler has a “chimney sweep” function, used to test its efficiency and adjust burner performance. The boiler comes with the chimney-sweep function, which must be used to measure combustion efficiency and regulate the burner. To activate the chimney-sweep function, you need to open the front panel to access the controls.
  • Page 38: Wiring Diagram

    6.6. Wiring diagram pic.39...
  • Page 39: Hydraulic Loss

    Chart to pic. 30 acronyms PV: Fan pressure switch P: Pump F1BIT: Bi-thermal heat exchanger boiler TIMER: Electromechanical day timer V: Fan F2PIA: Mono-thermal heat exchanger boiler TF: Flue gas leak detection thermostat MVD: Three-way valve motor F3RIS: CH only boiler P1: CH flow temperature potentiometer DK: Water pressure switch F4BOL: System boiler P2: DHW temperature potentiometer...
  • Page 40: Spare Part List

    Spare part list HC model pic. 40...
  • Page 41 HR model pic. 41...
  • Page 42 Item Code Description No. of pieces per pack 6ISOLRIC00 Complet panel insulation 6PANLACM00 Wall-hung boiler side panel 6PRESSOS04 Air pressure switch (24 Kw) 6PRESSOS05 Air pressure switch (32 Kw) 6CANDELA00 Igniter plug 6BRUMMET03 Methane 12-ramp gas burner 24 6BRUMGPL03 LPG 12-ramp gas burner 24 6BRUMMET11 Methane 15-ramp gas burner 32 6BRUMGPL11...
  • Page 43 Item Code Description No. of pieces per pack 6ORINNMA00 Pressure gauge o-ring seal 6GUIPPCM04 Boiler control panel light guide 6MANOPOL04 Knob 6TIMERGB00 Timer 6CORTIME00 Timer Fixing Frame 6TAPTIME00 Timer plug Table 9 - Spare part list...
  • Page 44: Troubleshooting

    Troubleshooting BOILER STATUS MALFUNCTION PROBABLE CAUSE SOLUTION Check gas pressure. Gas supply failure. Check mains gas safety valve. Gas valve has disconnected Reconnect gas valve Burner does not ignite. Gas valve is faulty. Replace it. PCB is faulty Replace it. Spark electrode is faulty.
  • Page 45 BOILER STATUS MALFUNCTION PROBABLE CAUSE SOLUTION CH probe is disconnected Reconnect it. CH probe is not operational. The boiler has shut down, red light 2 and yellow light 8 are flashing. Boiler will automatically resume operation when the problem has CH probe is faulty.
  • Page 52 The manufacturer reserves the right to implement any necessary and/or useful variation to products, without modifying fundamental characteristics. Uff. Pubblicità Fondital IST 03 C 374 - 01 Marzo 2010 (03/2010) Fondital UK Helpline 08700 34 88 20...

This manual is also suitable for:

Tahiti dual hrTahiti dual 24 - 32 kw combi (hc)Tahiti dual 24 - 32 kw regular (hr)

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