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Fondital Nova Florida DELFIS CTFS 24 AF, Didactic Manual, Page: 1 / 52

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Fondital Nova Florida DELFIS CTFS 24 AF Didactic Manual Download Page 1

 

 

 

      

 

 

 

 
 
 
 

DIDACTIC MANUAL 

 
 
 

FAMILY: 

Wall-Hung 

Atmospheric Boilers

GROUP: 

Forced and Natural 

Draught Instant 

Boilers

MODELS: 

Delfis-Antea

VERSION: 

For indoor installation

PART NO.:

AST 14 C 259/00

 
 

______________________________________________ 

1st Edition, February 2013 

 
 
 
 
 
 

 

 

 
 
 
 

 

ENGLI

S

H 

Summary of Contents for Nova Florida DELFIS CTFS 24 AF

Page 1: ...ung Atmospheric Boilers GROUP Forced and Natural Draught Instant Boilers MODELS Delfis Antea VERSION For indoor installation PART NO AST 14 C 259 00 ______________________________________________ 1st...

Page 2: ...Exchanger 3 4 Expansion Vessel 3 5 Flue Gas Fan 3 6 Gas Unit ___________________Page 14 SECTION 04 GAS SETTING AND TSP PARAMETERS 4 1 Gas Valve Setting 4 2 Flue Cleaning Function 4 3 Gas Conversion 4...

Page 3: ...________________________________________________________________________________ 3 AST 14 C 259 00...

Page 4: ...combined TFS sealed chamber forced draught AF still water pump is not powered in DHW TN natural draught MAIN CHARACTERISTICS DELFIS ANTEA CTFS 24 AF DHW CH combined boiler forced draught sealed chamb...

Page 5: ...________________________________________________________________________________ 5 AST 14 C 259 00 CTFS VERSION...

Page 6: ...________________________________________________________________________________ 6 AST 14 C 259 00 CTN VERSION...

Page 7: ...________________________________________________________________________________ 7 AST 14 C 259 00 INSTALLATION TEMPLATE...

Page 8: ...g temperature C 50 7 Total capacity of expansion vessel l 7 System recommended max capacity l 100 Nominal electrical data Electric Power Supply Voltage Frequency V Hz 230 50 Power mains supply fuse A...

Page 9: ...Flue methane gas massive flow g s 14 18 15 21 Flue temp air temp C 110 87 CO2 value methane propane butane 7 2 8 6 6 8 3 0 3 6 3 0 Boiler efficiency rating 93 1 87 7 90 5 Efficiency rating according...

Page 10: ...this button to set the following functions SUMMER Boiler produces domestic hot water only WINTER Boiler provides both central heating water and domestic hot water CENTRAL HEATING ONLY Boiler provides...

Page 11: ...Central heating indicator Illuminates when the boiler is operating in central heating mode Flashes when setting the CH temperature with adjuster 6 see previous paragraph e Parameter editing indicator...

Page 12: ...n SUMMER mode DHW function active with flame lit DHW temperature displayed Boiler in SUMMER or WINTER mode DHW function active with flame lit DHW temperature displayed Boiler in SUMMER or WINTER mode...

Page 13: ...obe fault Return probe fault Remote Control communication fault Boiler type detection error CTFS or CTN Gas fan relay operator error Gas modulation coil fault Power supply voltage level too low a Flow...

Page 14: ...CH temperature probe 16 Filler cock 4 Boiler nozzles 17 10 l min flow limiting device 5 Boiler 18 Cold water flow switch 6 Ignition detection electrode 19 Cold water filter 7 Safety thermostat 20 Hea...

Page 15: ...tion electrode 21 3 bar safety valve 7 Safety thermostat 22 10 l min flow limiting device 8 Bi thermal heat exchanger 23 Cold water flow switch 9 Sealed combustion chamber 24 Cold water filter 10 Flue...

Page 16: ...n contact with water such as 3 bar safety valve low water pressure switch and fill cock unit see picture below were all indeed positioned inside circulation pump scroll Circulation pump has a fixed sp...

Page 17: ...etal parts movement thus prevents limestone from depositing and obstructing ducts by reducing at the same time any noise originated by thermal expansion In addition heat exchanger outer finning allows...

Page 18: ...pansion vessel positioned inside circuit vessel houses an air diaphragm to be used to balance this overpressure Vessel capacity 7 litres 3 5 FLUE GAS FAN Compact boiler flue fan is of the asynchronous...

Page 19: ...is homologated to operate with the following valve models SIEMENS VGU 56 SIT 845 GAS OUT GAS IN Gas inlet pressure t Gas output pressure t Min pressure adjuster screw B Max pressure adjuster screw C...

Page 20: ...coil current at the end of ignition ramping for CTFS boilers 80 of max current Gas modulation coil current at the end of heating rising ramping At max heating power P1 Coils Safety coil interchangeabi...

Page 21: ...loosen retaining screw and connect pressure gauge to gas outlet pressure point D turn max pressure screw C to increase screw or decrease loosen max pressure with reference to setting table on page 8...

Page 22: ...HOT WATER or STAND BY operating mode 4 3 GAS CONVERSION Boilers are manufactured to run on the type of gas methane or LPG specifically required upon purchase order placing and any conversion shall be...

Page 23: ...displayed by alternating every three seconds the parameter screen ex P09 and the corresponding value ex 3 To quit the displaying function simply press reset Display will anyway go back to the startin...

Page 24: ...P18 P4 TSP4 CH power ramping timer 0 to 10 min 4 min P5 TSP5 Timer for CH post circulation freeze protection and flue cleaning function 0 to 180 s 30 s P6 TSP6 Solar thermostat setting 0 to 1 0 0 sta...

Page 25: ...shut down displaying Fault code P31 TSP31 Boiler fourth last shut down displaying Fault code P32 TSP32 Boiler fifth last shut down displaying Fault code P33 TSP33 Fault displaying reset 0 to 1 0 OFF 1...

Page 26: ...he following table shows main function enabling priorities in case of simultaneous request of two or more functions Priority Status 1 Shut down status the pump only freeze protection and pump seizing...

Page 27: ...and gas valve kept open Hereinafter is boiler operation logical diagram If flame is not detected during a cold ignition attempt automatic flame control will repeat the starting sequence and will execu...

Page 28: ...170 mA for LPG and 120 mA for methane Ignition ramping ends one second after flame detection by flame control Now flame propagation i e taking current to modulation coil for a max of two seconds will...

Page 29: ...triggering temperature ON burner ignition sequence will be started with the automatic flame control consensus Immediately after burner ignition gas flow rate corresponds to flame modulation value tha...

Page 30: ...r temperature reaches 85 C flame control section will be enabled again Modulation parameter summary DHW temperature pre selection range 35 C 50 C DHW thermostat triggering temperature OFF 58 C fixed D...

Page 31: ...te will go to the min value and then to the value set by the P1 parameter max heating output with a ramping time equal to heating output rising ramp timer to be set by P4 parameter default setting 4 m...

Page 32: ...es AMBIENT THERMOSTAT TIMER It corresponds to the time period during which burner is disabled between one switching off and the next one when a request in CH mode is active This timer is set through p...

Page 33: ...e display Calculation example with Tset point temperature at 60 C Tmax 15 Tmax 20 Tmax 30 Return Temp Test flow Return Temp Test flow Return Temp Test flow 20 35 20 40 20 50 30 45 30 50 30 60 40 55 40...

Page 34: ...er only and not the central heating PUMP POST CIRCULATION FUNCTION At the end of a request during heating freeze protection or flue cleaning functions burner will be immediately switched off while pum...

Page 35: ...ING FUNCTION DUE TO INACTIVITY The electronic board calculates the time elapsed since pump disabling if this time is equal to 24 hours pump will be enabled again for 30 seconds pump circulation timer...

Page 36: ...ion is ensured DHW probe failure during a DHW request burner is turned off pump makes a post circulation of 1 sec if set on summer and of 30 sec if set on winter Fan will continue to be powered for 1...

Page 37: ...trigger at different temperatures boilers feature different thermostats based on the model CTFS or CTN Air Pressure Switch The pressure switch assembled on forced draught models only has a normally o...

Page 38: ...stored This timer can be reset if boiler is unlocked with the RESET button and boiler will start again only when contact is closed Should this not be the case timer will start again If on the other ha...

Page 39: ...ent thermostat and remote control shall be connected to the terminal box positioned behind electric panel Board characteristics Operating voltage 170Vac to 300 Vac Power supply frequency 45 66 Hz Prot...

Page 40: ...urn probe NTC 10KOhm V fan CTFS only FL flow switch TF flue thermostat CTN only VG gas valve PV flue gas pressure switch CTFS only TL limit thermostat DK water pressure switch MOD gas valve modulation...

Page 41: ...AND TUBES For intake flue venting gas systems use original ducts suitable for this boiler and recommended by the manufacturer 7 1 NATURAL DRAUGHT BOILER VENT DUCT TYPE OF INSTALLATION PIPE DIAMETERS m...

Page 42: ...le length of horizontal coaxial pipes is 6 metres not counting the first elbow connected to the boiler For each additional 90 elbow maximum permissible length must be reduced by 1 metre while for 45 e...

Page 43: ...chimney Maximum permissible length for vertical coaxial pipes is 6 metres including the chimney For each additional 90 elbow maximum permissible length must be reduced by 1 metre while for 45 elbow it...

Page 44: ...traight pipe section Each narrow radius 90 air intake duct elbow R D is equivalent to a 1 6 metre long straight pipe section FLUE GAS VENT Minimum permissible length of air vent pipe is 0 5 metres Eac...

Page 45: ...Part Vent Intake 1 m extension 1 0 6 0 5 m extension 0 5 0 3 90 elbow 1 3 0 8 Narrow radius 90 elbow 2 7 1 6 45 elbow 2 3 1 3 Elbow with flue pressure measurement point 2 7 1 6 Wall vent terminal 4 3...

Page 46: ...____________________________________________ _____________________________________________________ _____________________________________________________ _______________________________________________...

Page 47: ...t detect flame it is faulty Replace PCB Ignition heat input setting is too low Increase it Minimum heat input is not set correctly Check burner setting Boiler shut down picture flashes Flue gas pressu...

Page 48: ...probe faulty Replace it Boiler is not supplying DHW DHW flow switch is not working DHW system insufficient pressure or flow rate Check system Check DHW flow switch filter DHW flow switch probe is faul...

Page 49: ...Boiler type detection error CTN or CTFS during the self check which is made once every 24 hours See causes related to error E03 See solutions related to error E03 Boiler shut down the pictures flash...

Page 50: ...ture gradient too high Cut off valves closed Check system Circulation pump arrested Check the circulation pump Low water flow rate Check system pressure Boiler shut down the pictures flash one after t...

Page 51: ......

Page 52: ...FONDITAL GROUP Delfis Antea Technic Manual Customer Service Department 1st edition February 2013 AST 14 C 259 00...

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