Fondital Nias Dual BTFS 24 Installation, Use And Maintenance Manual Download Page 22 | Manualshive

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22

WALL-MOUNTING TEMPLATE

fig. 9

1
2

C

F

R

M

G

L

M = CH flow

3/4"

18

349

C = DHW flow

1/2"

14

389

G = Gas

1/2"

18

349

F = Cold water

1/2"

14

389

R = CH return

3/4"

18

349

Fitting

Ø

Copper pipe

Ø (mm)

L

(mm)

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Summary of Contents for Nias Dual BTFS 24

Page 1: ...INSTALLATION USE AND MAINTENANCE NIAS DUAL GB High quality Italian product IST 03 C 294 02...

Page 2: ...ng one of our boilers Please read these instructions carefully in order to install operate and service the boiler properly The Manufacturer recommends that Customers contact authorized qualified perso...

Page 3: ...or faulty operation switch off the boiler Do not attempt to make any repairs and contact a qualified technician Manufacturer approved parts must be used for all repairs to the boiler Failures to compl...

Page 4: ...w the flow water temperature 5 If you wish to activate the Aqua Premium system proceed as follows to regulate the hot water temperature Turn the regulator 3 fig 1 anticlockwise as far as it will go Th...

Page 5: ...3 Instructions for the fitter page 21 3 1 Installation standards page 21 3 2 Installation page 21 3 2 1 Packaging page 21 3 2 2 Deciding where to install the boiler page 21 3 2 3 Positioning the boil...

Page 6: ...page 29 fig 19 Gas mains connection page 30 fig 20 By pass adjustment page 31 fig 21 Thermoregulation curve adjustment page 32 fig 22 Thermoregulation curves page 32 fig 23 Wiring diagram page 34 fig...

Page 7: ...or on SUMMER the boiler is ready to produce domestic hot water only With the selector on WINTER the boiler is ready to heat and produce hot water With the selector on ANTI FREEZE only the anti freeze...

Page 8: ...fore the boiler can be restarted see 1 5 and following f Ignition power indicator for fitter only Refer to subsection 3 6 for the fitter only g Burner shutdown indicator This comes on when the burner...

Page 9: ...function active with Aqua Premium system disabled The water flow temperature is displayed Boiler selector on WINTER CH function active The water flow temperature is displayed Table 1 1 3 2 Malfunctio...

Page 10: ...er reignites 1 4 3 DHW function The domestic hot water function is active with the boiler selector 2 fig 1 on SUMMER or WINTER The boiler always gives priority to DHW demand over the CH function The b...

Page 11: ...the tap symbol fixed and the instantaneous flow water temperature are displayed The burner symbol shows while the burner is in operation 1 4 4 Anti freeze function The boiler comes with an anti freez...

Page 12: ...decreasing it when it rises which improves comfort and saves fuel this is referred to as sliding temperature operation The heating water temperature varies according to a program in the boiler s micro...

Page 13: ...is displayed and code E02 flashes Contact an Authorised Service Centre or a qualified service engineer 1 5 3 Shutdown due to air flue gas system malfunction If the air flue gas system malfunctions th...

Page 14: ...does not receive instructions the boiler shutdown symbol is displayed and code E22 flashes The boiler will continue to operate according to the settings on the control panel fig 1 and ignore the remot...

Page 15: ...y flow switch DHW filter Adjustable bypass Boiler filling and drain cocks DHW CH and storage tank temperature probes Safety limit thermostat Flue gas thermostat BTN Differential pressure switch BTFS 3...

Page 16: ...80 350 389 RSS 372 221 450 750 534 G Gas inlet M CH flow C DHW outlet F Cold water inlet R CH return RC Filling tap RSR CH drain tap RSS Storage DHW drain tap SV3 3 bar safety valve CH SV6 6 bar safet...

Page 17: ...5 98 80 350 389 RSS 450 750 534 Mod BTFS View from below View from above fig 7 G Gas inlet M CH flow C DHW outlet F Cold water inlet R CH return RC Filling tap RSR CH drain tap RSS Storage DHW drain t...

Page 18: ...RUBINETTO DI RIEMPIMENTO PR SCAMBIATORE SECONDARIO A PIASTRE SONDA RISCALDAMENTO fig 8 TS LIMIT THERMOSTAT V3V MOTORIZED 3 WAY VALVE VM MOTORIZED 2 WAY VALVE PR CH PUMP WITH DEAERATOR PS DHW PUMP F PR...

Page 19: ...l min Instantaneous DHW supply T 25 K 16 3 l min BTFS 32 Fuel Max heat input kW Min heat output kW Max heat output kW Gas mains pressure mbar Nozzle diameter mm Burner pressure mbar min max Methane ga...

Page 20: ...in output 30 output Outer casing heat loss 0 8 0 8 Flue system heat loss with burner on 8 5 9 7 Flue system mass capacity g s 16 2 13 7 Flue temp Air temp C 85 50 CO2 6 2 3 0 Boiler efficiency rate 90...

Page 21: ...ccount when deciding where to install the boiler Refer to the instructions in subsections 3 2 5 3 2 6 and 3 2 7 Make sure the wall is strong enough to support the boiler avoid lightweight partition wa...

Page 22: ...22 Wall mounting template fig 9 1 2 C F R M G L M CH flow 3 4 18 349 C DHW flow 1 2 14 389 G Gas 1 2 18 349 F Cold water 1 2 14 389 R CH return 3 4 18 349 Fitting Copper pipe mm L mm...

Page 23: ...ty valves Hang the boiler on the bracket Connect the boiler to the mains pipes using the pipe kit provided see 3 2 9 and 3 2 10 Connect the boiler to the air flue gas system see 3 2 5 3 2 6 and 3 2 7...

Page 24: ...t be reduced to a minimum no more than 1000 mm there must not be more than 2 changes in direction it must be connected to a single boiler the section passing through the wall must be protected by a du...

Page 25: ...C32 This boiler is intended for connection to vertical flue gas and air intake pipes connected to the outside by means of coaxial or split pipes The distance between the air intake pipe and the flue g...

Page 26: ...h the boiler BTFS 32 The minimum acceptable length of pipes is 0 5 metres plus one elbow The maximum acceptable length of pipes is 4 metres plus one elbow Maximum acceptable length must be reduced by...

Page 27: ...51 mm air intake diaphragm and install the standard intake deflector Air intake Each 90 wide radius R D elbow in the air intake pipe is equivalent to 1 m linear length Each 90 narrow radius elbow in...

Page 28: ...erminal and anti pulse device provided in the kit which includes the 51 mm air diaphragm Then apply the standard air deflector fig 15 Flue gas discharge The minimum length of the flue gas discharge pi...

Page 29: ...10 seconds The boiler will switch off perform the ignition sequence and then run at a set fixed rate which corresponds to the maxR trimmer setting fig 17 The chimney sweep function lasts 15 minutes T...

Page 30: ...rities present in the components which would damage the pump and the heat exchanger see 3 2 4 CENTRAL HEATING SYSTEM The CH flow and return pipes must be connected to the corresponding 3 4 M and R fit...

Page 31: ...e connected to terminal M9 on the circuit board fig 23 after removing the jumper supplied standard with the boiler Room thermostat wires must NOT be grouped together with the power supply cables 3 2 1...

Page 32: ...near a window ventilation openings or sources of heat The external temperature probe automatically modifies the CH flow temperature in relation to the outdoor temperature measured the thermoregulation...

Page 33: ...section of the pump motor Insert the tip of a screwdriver in the hole and rotate the circulation unit shaft clockwise Once the unblocking operation has been completed screw the protection bolt back on...

Page 34: ...0 1670 1578 1492 1412 1336 90 1266 1199 1137 1079 1023 fig 23 0SCHEMOD17 boiler main PCB 0CIRCSTA08 24Vcc relay pcb 0SCHELCD00 LCD board CM1 CM2 jumpers for selecting type of boiler F1BIT bi thermal b...

Page 35: ...pressure In LPG fired boilers turn nut K fully CLOCKWISE B Regulating minimum output Check the pressure gauge connected to point V fig 26 Disconnect the electrical wiring to the modulation coil M fig...

Page 36: ...out by a fully qualified technician The user is strongly advised to have the boiler serviced and repaired by one of the Manufacturer s fully qualified and authorised Service Centres Correct maintenan...

Page 37: ...iler room Boiler room ventilation openings BTN Flue gas discharge pipes diameters and lengths Boiler installation in accordance with the instructions in this manual If the boiler does not work properl...

Page 38: ...boiler operation Flue gas pressure switch is not operating model BTFS Flue gas pressure switch faulty Check flue gas pressure switch and replace if necessary Silicone pipes disconnected or damaged Rec...

Page 39: ...oes not cut in System pressure or flow rate too low Check DHW system Check flow meter filter Flow meter sensors disconnected or faulty Replace or reconnect it Flow meter stuck Replace it The boiler do...

Page 40: ...878 31 Fax 39 0365 878 576 e mail fondital fondital it www fondital it The manufacturer reserves the right to modify the products as it deems necessary and useful without affecting their basic featur...

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