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13

3 Instructions for the 
fitter 

 
3.1 Installation regulations 
 
NIAS  
is an II2H3+ class boiler 
which must be installed in 
compliance with applicable 
country standards, laws and 
regulations. 
 
3.2 Installation 
 
3.2.1 Packaging 
 
NIAS 

is packaged and 

delivered in a strong cardboard 
box on wooden pallet. Once the 
boiler has been unpacked 
check the boiler  is undamaged. 
The packaging material can be 
recycled and it must be 
disposed of accordingly. 
Keep the packaging out of the 
reach of children as it may 
represent a choking and 
suffocation hazard. 
FONDITAL cannot be held 

 

liable for injury to persons 
and animals or damage to 
property resulting from non-
observance of the above. 
 
The packaging contains: 
- copper pipe kit for hydraulic 
connection of the boiler to 
heating system, water system 
and gas mains, 

- metal template for boiler wall-
hanging and system 
connecting, 
- installation, use and 
maintenance handbook, 
- 4 screws with dowels for boiler 
wall-hanging, 
- for BTFS models only: flue 
diaphragm. 
 
3.2.2 Choosing where to 
install the boiler 
 
When choosing the position of 
the boiler: 
- refer to instructions given in 
the “Flue system“ section, 
- remember that it is advisable 
to leave a space of 50 mm on 
each side of the boiler to 
facilitate maintenance 
operations, 
- check wall sturdiness, 
- avoid fixing the boiler to thin 
partitions, 
- avoid installing the boiler 
above appliances which might 
affect boiler operation (E.G. 
kitchen appliances emitting 

 

greasy steam, washing 
machines etc.), 
- avoid installing natural draught 
boilers in corrosive vapor or 
dusty air areas like 

 

hairdressers’, laundrettes etc. 
as boiler components life span  
might be considerably shorter 
than average, 
- leave a 350 mm space 
between the upper part of the 

boiler and the ceiling in order to 
facilitate replacement of the 
water tank magnesium anode: 
this condition is respected when 
between the axe of the fixing 
holes of the bracket supporting 
the boiler and the ceiling the 
distance is 436 mm. 
 
3.2.3 Positioning the boiler 
 
Each boiler package includes a 
metal template. It allows for CH, 
DHW and gas mains 
connection locating when 
hydraulic system piping is being 
laid out before boiler is yet to be 
physically  installed. 
 
Use the lower part of the 
template to mark the exact 
location of gas supply, cold 
water inlet pipe, DHW flow, CH 
flow and return. 
 
Since temperature of wall on 
which the boiler is installed and 
temperature of coaxial flue 
system are lower than 60°C, it 
is not necessary to keep a 
minimum safe distance 
between boiler and temperature 
sensible surface wall. 
 
Boilers with split duct flue 
system: place insulating 
material between temperature 
sensible surface wall and flue 
system. 

 

Содержание NIAS BTN 28

Страница 1: ...NIAS INSTALLATION USE AND MAINTENANCE GB IST 03 C 167 01...

Страница 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...

Страница 3: ...the packaging as all the materials can be recycled The packaging must therefore be sent to specific waste management sites Keep the packaging out of the reach of children as it may represent a choking...

Страница 4: ...sitioning the boiler page 13 3 2 4 Installing the boiler page 14 3 2 5 Boiler room ventilation page 15 3 2 6 Flue system page 15 3 2 7 Flue system configuration page 17 3 2 8 Flue system with coaxial...

Страница 5: ...the water storage tank from freezing is active Power light B The light indicates that power is being supplied to the boiler Central Heating temperature regulator C The knob sets the heating system wat...

Страница 6: ...re or qualified maintenance personnel If the boiler shuts down frequently this indicates that there is a recurring malfunction In this case contact qualified personnel or an authorised Service Centre...

Страница 7: ...es or until the temperature of the water in the system reaches 15 C WARNING This function is not active if the boiler is disconnected from the power and gas supply and the gas tap is closed The heatin...

Страница 8: ...ruary 1973 amended by Directive 93 68 EEC dated 22 July 1993 NIAS boilers are equipped with safety features according to applicable laws The main technical features of NIAS boilers are below summarize...

Страница 9: ...e 11 Temperature probe 12 Expansion vessel heating system 13 Optional expansion vessel DHW system 14 Water storage tank anode 15 Water storage tank 16 Water storage tank thermostat 17 Overheating shut...

Страница 10: ...HW production by 45 C t 8 9 lts min DHW production by 35 C t 11 5 lts min DHW production by 40 C t 10 lts min DHW production by 30 C t 13 4 lts min 45 C DHW supply during the first 10 minutes storage...

Страница 11: ...4 BTN 28 W 110 Maximum absorbed power BTFS 24 BTFS 28 W 165 Net weight BTN 24 BTN 28 kg 72 5 Net weight BTFS 24 BTFS 28 kg 78 Natural gas consumption BTN 24 BTFS 24 m h min 1 32 max 2 80 Butane consum...

Страница 12: ...1 Flue gas mass g s 16 5 17 7 Flue air temperature C 108 8 CO2 5 9 Boiler efficiency 90 45 88 36 NIAS BTN 28 Heat dispersion from the boiler casing max input min input 30 red load Boiler installed ind...

Страница 13: ...e maintenance operations check wall sturdiness avoid fixing the boiler to thin partitions avoid installing the boiler above appliances which might affect boiler operation E G kitchen appliances emitti...

Страница 14: ...of the above To install the boiler fix the template to the wall by means of four 10 mm screws and dowels IMPORTANT ceiling and screws clearance must be 436 mm position connections of gas supply pipe...

Страница 15: ...conductivity it must be perfectly sealed to prevent cooling due to parasite air inlets it must be as vertical as possible and the end section must have a roof top which ensures efficient and constant...

Страница 16: ...tly 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 for damage resulting in incorre...

Страница 17: ...both end sections must be located within a 500 by 500 mm surface area C42 Boiler connected to collective chimneys including two ducts one for the air intake for combustion and the other for the discha...

Страница 18: ...the outlet point to prevent rain water from getting into the duct Type C32 Minimum length of vertical coaxial ducts is 0 5 meters Maximum allowable length of vertical coaxial ducts is 4 meters includ...

Страница 19: ...BTFS 24 model must be installed as shown in pic 11 diaphragms are supplied with boiler IMPORTANT Should flue system cross walls and or infrastructure or if it easily accessible it is mandatory to inst...

Страница 20: ...facing perimeter walls Maximum allowable load loss 80 Pa Sample No 2 pic 14 Air intake from perimeter wall and flue gas roof outlet Maximum allowable load loss 80 Pa Sample No 3 pic 15 Air intake fro...

Страница 21: ...elbows x 4 8 Pa splitting device 80 12 Pa horizontal 80 air intake terminal 3 Pa horizontal 80 outlet terminal 5 Pa Tot load loss 80 Pa 3 2 10 Measuring combustion efficiency Type A accessories Coaxi...

Страница 22: ...ing always use FONDITAL approved spare part FONDITAL shall not be held liable for damage on injury caused by failure to properly earth the power mains Gas lines DHW and CH pipes are not suitable for e...

Страница 23: ...rge any left air let the system cool down and then adjust water pressure gauge to 0 8 1 bar WARNING For best performance safe trouble free and long lasting operation of boiler and its components in or...

Страница 24: ...r dry any wet surfaces 3 4 Starting the boiler 3 4 1 Preliminary checks Before starting the boiler verify the following correct installation of flue gas outlet duct and the end section when the boiler...

Страница 25: ...brown blue yellow green Power supply 230 V 50 Hz Power supply 230 V 50 Hz CH DHW A1 A6 Utilities connectors AG Anti freeze DK Low water pressure safety switch E I Summer Winter switch IG Main switch...

Страница 26: ...en red teflon E ACC 1 white teflon E RIV pic 23 POWER OUTLETS Modulation board Modulation board black blue orange brown green white red brown blue brown blue black blue orange brown black black black...

Страница 27: ...ed 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 remove nozzles 1 in pic 24 of main burner...

Страница 28: ...regulator pic 27 located on top of the modulation coil set the CH water temperature to maximum connect a U shaped pressure gauge following instructions shown in pic 28 set the heat power regulator P1...

Страница 29: ...nsequently the boiler heat output Burner gas pressure boiler heat output chart pic 30 Assuming the heating system requirement is 18 kW pic 30 chart indicates burner gas pressures to ensure proper boil...

Страница 30: ...owing checks boiler integrity leakage of the boiler s gas circuit and gas mains network boiler gas supply pressure minimum and maximum gas pressures to the boiler nozzles boiler ignition boiler combus...

Страница 31: ...31...

Страница 32: ...to 40 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 Pubblicit Fondit...

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