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Related Manuals for Fondital NIAS series
Summary of Contents for Fondital NIAS series
- Page 1 IST 03 C 167 - 01 NIAS INSTALLATION, USE AND MAINTENANCE...
- Page 2 Thank you for choosing our boiler. Please read these installation and maintenance instructions with care. Please note that the boiler must only be installed, repaired and serviced by qualified personnel.
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Page 3: Warning
Never use flames to detect shall relieve FONDITAL from Non-observance of the above any and all contractual and requirements may jeopardize gas leaks. extra-contractual liability. the safety of the boilers and... -
Page 4: Table Of Contents
Contents Warning ....page 2 General information for fitters, maintenance technicians and users ....page 3 1 Instruction for the user ....page 5 1.1 Control panel ....page 5 1.2 Operating the boiler ....page 6 1.2.1 Switching on ....page 6 1.2.2 Boiler shutdown ....page 6 1.3 Maintenance ....page 6... -
Page 5: Instruction For The User
1 Instruction for the user 1.1 Control panel pic. 1 A = Summer/OFF/Winter/Anti- C = CH temperature regulator F = Reset button freeze selector D = DHW temperature regulator G = Water pressure gauge B = Power light E = Shutdown light H = Thermometer Summer/OFF/Winter/Anti- Power light (B) -
Page 6: Operating The Boiler
TO THE BOILER. contact qualified personnel or boiler, the boiler automatically heats it to the set value. The an authorised Service Centre FONDITAL cannot be held boiler prioritizes DHW and for maintenance. liable in the event of injury to water... - Page 7 the pump will not block because effectiveness of the product the boiler’s electronic system - DHW system: over time. when the probe inside the water has an automatic anti-block The boiler has a temperature function: the pump is operated storage tank detects for a few seconds every day.
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Page 8: Technical Characteristics And Dimensions
1993; system filling; All versions have electronic ignition. * 7.5 liter expansion vessel; NIAS boilers are equipped with * Water inlet tap; Models in the NIAS series: safety features, according * Low water pressure safety switch; applicable laws. * IPX4D protection class control NIAS BTN 24 open combustion panel;... -
Page 9: Dimensions
2.2 Dimensions pic. 2 2.3 Hydraulic connections 1 Three-way valve 2 Low water pressure sensor 3 Circulating pump with built-in deareator 4 Ignition board 5 Gas valve 6 Ignition electrode 7 Burner 8 Detection electrode 9 Heat exchanger 10 Manual air purging valve 11 Temperature probe 12 Expansion vessel (heating system) 13 Optional expansion vessel (DHW system) -
Page 10: Technical Data
NIAS BTFS 24 – NIAS BTFS 28 1 Three-way thermostatic valve 2 Low water pressure sensor 3 Circulating pump with built-in deareator 4 Ignition board 5 Gas valve 6 Ignition electrode 7 Burner 8 Detection electrode 9 Heat exchanger 10 Manual air purging valve 11 Temperature probe 12 Expansion vessel (heating system) 13 Optional expansion vessel (DHW system) -
Page 11: General Specifications
2.5 General specifications Equipment category II2H3+ Burner nozzles (BTN 24 \ BTFS 24) n° Burner nozzles (BTN 28 \ BTFS 28) n° Minimum central heating circuit flow l/min Minimum central heating working pressure Maximum central heating working pressure Minimum DHW working pressure Maximum DHW working pressure Water storage tank capacity Power supply - Voltage / Frequency... - Page 12 NIAS BTN 24 Heat dispersion from the boiler casing max input min. input 30% red. load Boiler installed indoor Boiler installed outdoor 4.54 Boiler installed in a boiler room Chimney loss with burner in function Flue gas mass 19.8 18.1 Flue - air temperature °C 86.9...
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Page 13: Instructions For The Fitter
(E.G. temperature coaxial flue FONDITAL cannot be held kitchen appliances emitting system are lower than 60°C, it liable for injury to persons greasy steam,... -
Page 14: Installing The Boiler
F = Cold water mains ½" S = Safety valve drain pic. 5 3.2.4 Installing the boiler FONDITAL shall be waived - position connections of gas from all liabilities for injury to supply pipe, cold water supply Before connecting the boiler to... -
Page 15: Boiler Room Ventilation
more than twice the diameter 3.2.5 Boiler room ventilation local standards laws applicable in the country of before joining the chimney. installation which shall BTN 24 and BTN 28 models Direct emission into have open combustion considered as having been chamber and have been built transcribed in full in this atmosphere... - Page 16 If the boiler shuts down frequently, check the flue outlet duct. This duct may be obstructed or may be unsuitable for the discharge of flue gas into the atmosphere. FONDITAL shall not be held responsible damage resulting incorrect installation,...
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Page 17: Flue System Configuration
3.2.7 Flue system configuration Type Boiler connected to horizontal air intake and outlet ducts directly into the atmosphere using coaxial or split ducts. The distance between the air intake duct and the flue gas outlet duct must be at least 250 mm (see pic. 15) and both end sections must be located within a 500 by 500 mm surface area. -
Page 18: Flue System With Coaxial Pipes 100/60 Mm Diameter
3.2.8 Flue system with coaxial pipes COAXIAL DUCTS 100/60 mm diameter (Type A accessories) SAMPLE INSTALLATION Max length 1.5 mt Type C12 Minimum length of horizontal coaxial ducts is 0.5 meters. Maximum allowable length of horizontal coaxial ducts is 3 meters; for each elbow after the first, the maximum allowable length must... -
Page 19: Flue System With Split Pipes 80 Mm Diameter
SPLIT DUCTS FLUE SYSTEM INSTALLATION SAMPLE ∆P max = 40 Pa Diaphragm Neoprene seal Diaphragm pic. 11 3.2.9 Flue system with split pipes 80 mm diameter (type B accessories) DIMENSIONS FOR CONNECTION OF THE FLUE GAS OUTLET WITH SPLIT DUCTS NB: Maximum flue system load loss, according installation,... - Page 20 Configurations relative to Ø 80 split pipe flue system Sample No. 1 (pic. 13) Air intake and flue gas outlet from two outside facing perimeter walls. Maximum allowable load loss: 80 Pa Sample No. 2 (pic. 14) Air intake from perimeter wall and flue gas roof outlet.
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Page 21: Measuring Combustion Efficiency
- for the Ø 80 splitting device the load loss is 12 Pa. NB: The above mentioned values refer to installations made using FONDITAL approved spare part non-flexible and smooth ducts. Calculation sample: - 26 mt Ø 80 pipe x 2 = 52 Pa - 2 Ø... -
Page 22: Connection To The Gas Mains
Should it be necessary to replace pressure to 3 / 4 bar. conducted using fuel gas: use air the wiring, always use FONDITAL or nitrogen. approved spare part. Hardness water increases frequency service coil... -
Page 23: Filling The System
3.3 Filling the system DIAGRAM OF FLOW RATE/PRESSURE AVAILABLE FOR THE INSTALLATION After completion hydraulic connections the central heating is ready for loading. Water filling operation must performed as follows: - open the air vents of the radiators and check that the automatic air vent in the boiler is functioning;... -
Page 24: Starting The Boiler
WARNING Should water pressure drop below minimum, boiler stands-by minutes. Boiler operation can be restored by means of the main switch. Water pressure adjustment must performed when the system is cold. Use thermo-manometer gauge on the boiler to check pressure in the system. IMPORTANT: After a period of inactivity the pump could be blocked. -
Page 25: Wiring Diagram
3.5 Wiring diagram 3.5.1 Practical connection diagram / Modulation board – NIAS BTN/BTFS 24-28 modulating TA on/off TA black orange grey blue white black blue brown brown yellow/green blue green green blue brown Power supply blue blue 230 V – 50 Hz yellow/green white brown... - Page 26 CONNECTION LAYOUT / IGNITION BOARD – NIAS BTN/BTFS 24-28 CONNECTION LAYOUT blue blue blue blue black black blue blue orange orange brown brown green black white black brown black blue brown brown blue Power supply Power supply blue 230 V – 50 Hz 230 V –...
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Page 27: Switching To Different Gas
NIAS boilers are factory-set according to gas type requested. Any later conversion must be performed by qualified technicians. FONDITAL conversion kit (supplied with boiler) must be installed. For conversion and adjustment instruction see below. Converting boiler from one type of gas to another: - remove the main burner;... -
Page 28: Burner Adjustment
NIAS BTFS 24 Type of gas Supply pressure nozzle Ø (mm) diaphragm Ø Burner pressure (mbar) (mbar (mm) Natural gas 1.20 13.2 Butane 0.77 25.1 Propane 0.77 32.2 NIAS BTN 28 Type of gas Supply pressure nozzle Ø (mm) diaphragm Ø Burner pressure (mbar) (mbar (mm) -
Page 29: Adjusting Boiler Output To The System
3.8 Adjusting boiler output to the system BURNER GAS PRESSURE / BOILER HEAT OUTPUT CHART PROPANE BUTANE NAT. GAS pic. 29 Output (kW) Connect a manometer for burner pressure as shown in pic. 28 (PROCEED ONLY IF BOILER PROPANE IS COLD), select winter (CH and DHW) function, BUTANE turn the boiler on and follow the instructions NAT. -
Page 30: Preliminary Checks
4 Boiler test Follow “Users’ - general condition of e boiler Instructions” for boiler on safety devices; and off procedure. - water leaks and scaling of Boiler test (or new boiler boiler connections; first operation) must - efficiency of the CH safety 5 Maintenance performed exclusively... - Page 32 Tel. (+39) 0365 878.31 - Fax (+39) 0365/878.576 e mail: info@fondital.it - www.fondital.it The producer reserves the right to modify the data contained herein at any time without notice. Uff. Pubblicità Fondital IST 03 C 167 - 01 Dicembre 2004 (12/2004)
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