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Condensate trap

Modulating gas valve

Flow temperature twin probe

Modulating fan

Primary condensing exchanger

Air-purging device

Air intake duct

Flue gas venting duct

Flue gas analysis ports

10. Flue gas thermostat on venting duct

11. Flue gas thermostat on exchanger

12. Ignition/detection electrode

13. Expansion vessel

14. Fan management probe

15. Return temperature probe

16. 3-bar safety valve

17. Pressure sensor

18. Air-purging device

19. 3-speed circulation pump

20. Discharge cock

21. Automatic by-pass

Condensate drain

G Gas

CH system flow

Cold water (from water mains)

CH system return

fig. 8

Model KR

10
11

12
13

1  sifone raccogli condensa
2  valvola gas modulante
3  doppio sensore di temperatura di mandata
4
5

ventilatore modulante

6
7

scambiatore primario condensante

8
9

disareatore

condotto aspirazione aria

condotto evacuazione fumi

prese analisi fumi

termostato fumi su condotto d’evacuazione

termostato fumi su scambiatore

elettrodo di accensione e rilevazione

vaso d’espansione

sensore controllo ventilatore

disareatore

circolatore modulante

sensore di pressione

rubinetto di scarico
by-pass automatico

M mandata riscaldamento
G gas

ingresso acqua fredda

R ritorno riscaldamento
S scarico condensa

valvola di sicurezza 3 bar

15 sensore di temperatura di ritorno

F R

2.4.

operating data

Burner pressures reported in the following page must be verified after the boiler has been operating for 3 minutes.

KC 24

fuel type

max.

heat input

[kW]

heat output

(80-60°C)

[kW]

heat output

(50-30°C)

[kW]

DHW

heat output

[kW]

Gas mains

pressure

[mbar]

Nozzle

[mm/100]

Diaphragm

diameter

[mm]

flue gas

value

[%]

min.

max.

min.

max.

min.

max.

Natural gas G20

23.7

2.7

22.9

3.22

24.9

3.0

27.4

3.7

9.0 ÷ 9.3

Propane Gas G31

23.7

2.7

22.9

3.22

24.9

3.0

27.4

3.0

10.0

Table 6 - KC 24 adjustment rates

Domestic hot water supply ΔT 45°C = 8.9 l/min
Domestic hot water supply ΔT 40°C = 10 l/min
Domestic hot water supply ΔT 35°C = 11.5 l/min

Domestic hot water supply ΔT 30°C = 13.4 l/min
Domestic hot water supply ΔT 25°C = 16.1 l/min
*Note: water mixed at cock

KC 12

fuel type

max.

heat input

[kW]

heat output

(80-60°C)

[kW]

heat output

(50-30°C)

[kW]

DHW

heat output

[kW]

Gas mains

pressure

[mbar]

Nozzle

[mm/100]

Diaphragm

diameter

[mm]

flue gas

value

[%]

min.

max.

min.

max.

min.

max.

Natural gas G20

12.0

1.8

11.6

2.1

12.7

1.8

18.6

3.05

9.0 ÷ 9.3

Propane Gas G31

12.0

1.8

11.6

2.1

12.7

1.8

18.6

2.50

10.0 ÷ 10.3

Table 5 - KC 12 adjustment rates

Domestic hot water supply ΔT 45°C = 5.7 l/min
Domestic hot water supply ΔT 40°C = 6.5 l/min
Domestic hot water supply ΔT 35°C = 7.4 l/min

Domestic hot water supply ΔT 30°C = 8.6 l/min *
Domestic hot water supply ΔT 25°C = 10.3 l/min *
*Note: water mixed at cock

Содержание FORMENTERA KC 12

Страница 1: ...IST 03 C 545 01 FORMENTERA KC 12 24 28 32 KRB 12 24 28 32 KR 12 24 28 32 EN Installation use and maintenance...

Страница 2: ...y a company in full compliance with the prevailing standards the installing company is required by law to issue a declaration of conformity with the current Standards concerning the per formed install...

Страница 3: ...so keep them out of their reach In the event of failure and or faulty functioning switch off the boiler Do not attempt to make repairs contact qualified technicians Original parts must be used for al...

Страница 4: ...on 3 If you do not wish to activate the heating function press the operating mode selection button until displaying the symbol only the DHW function will be enabled 4 If you wish to activate both the...

Страница 5: ...install the boiler page 29 3 2 3 Positioning the boiler page 29 3 2 4 Installing the boiler page 31 3 2 5 Boiler room ventilation page 31 3 2 6 Air intake and flue gas venting system page 32 3 2 6 1...

Страница 6: ...agram model KRB page 50 fig 28 Wiring diagram for forced circulation solar system with CH only boiler page 51 fig 29 Multifunction relay connecting diagram page 51 fig 30 Wiring diagram model KR page...

Страница 7: ...rcentage 4 Indication of system pressure measurement unit 5 Temperature value parameter and fault display 6 Indication of the centigrade degrees 7 A DHW request is active DHW temperature regulation wi...

Страница 8: ...low temperature and the system pressure are displayed Boiler switch in SUMMER mode DHW function enabled The flow temperature and the modulation percentage are displayed Boiler switch in WINTER mode DH...

Страница 9: ...R only Return probe failure Solar collector probe SCS failure optional if connected Solar valve probe SVS failure optional if connected Solar Water cylinder probe SBS failure optional if connected Rem...

Страница 10: ...screen Safety system hardware malfunction Incompatibility between boiler main board and interface board Offset error T max Flow or return probe 120 C Maximum flow derivative exceeded Maximum return d...

Страница 11: ...e SUMMER mode is enabled only the DHW production function is active When the CH ONLY mode is enabled only the heating water production function is active When the WINTER mode is enabled both functions...

Страница 12: ...e desired CH flow water temperature During selection HEATING icon 8 fig 1 will flash As soon as button is released icon will continue flashing for approx 3 seconds and the CH water value will flash as...

Страница 13: ...Boiler return temperature displaying P44 Water cylinder temperature displaying for models KRB and KR with installed optional water cylinder probe installed P45 Flue gas temperature displaying P46 Sol...

Страница 14: ...d and 15 seconds after no key is touched all the keys but the one around the LCD will be disabled 1 7 Boiler reset The display shows the failure based on the corresponding error code table 3 Some fail...

Страница 15: ...nimum value between 20 C and 78 C default value for standard range 40 C default value for reduced range 20 C to be edited with the P27 parameter the waiting time is reset and the boiler re ignites see...

Страница 16: ...he deviating valve is in the DHW position During the DHW anti freeze operation the temperature detected by the flow probe is constantly checked and in case it reaches 60 C the burner is switched off T...

Страница 17: ...e boiler still fails to start and enters the shutdown mode again contact a Service Centre or qualified personnel for maintenance If the burner shuts down frequently there is a recurring malfunction so...

Страница 18: ...store water pressure proceed as follows turn the filler cock model KC or the cock on the cold water supply pipe models KR and KRB see fig 2 anticlockwise to allow water to enter the boiler keep the co...

Страница 19: ...settings on the control panel and ignore the Remote Control settings The remote control can indicate faults or shutdown conditions and can also restore boiler operation after shutdown up to a maximum...

Страница 20: ...min KC 12 13 l min KC 24 14 l min KC 28 and 16 l min KC 32 DHW flow limiting device User interface Touch interface with built in LCD to display and control boiler operating condition OFF RESET WINTER...

Страница 21: ...121 23 10 31 100 124 39 63 92 190 420 750 315 fig 3 F Cold water inlet G Gas inlet SI Trap inspection cap M CH flow C DHW outlet R CH return RS Discharge cock RC Filling cock View from bottom View fr...

Страница 22: ...92 190 420 750 315 fig 4 MODEL KRB SI M MB RB R RS View from bottom View from top G RB Secondary return from water cylinder G Gas inlet SI Trap inspection cap M CH system flow R CH system return RS Di...

Страница 23: ...73 121 23 10 31 100 124 39 63 92 190 315 420 750 fig 5 MODEL KR SI M F R RS G View from bottom View from top F Cold water inlet G Gas inlet SI Trap inspection cap M CH system flow R CH system return R...

Страница 24: ...e gas analysis ports 10 Flue gas thermostat on venting duct 11 Flue gas thermostat on exchanger 12 Ignition detection electrode 13 Expansion vessel 14 Fan management probe 15 Return temperature probe...

Страница 25: ...aldamento S scarico condensa G 20 17 18 valvola di sicurezza 3 bar 15 15 sensore di temperatura di ritorno S F R 2 4 Operating data Burner pressures reported in the following page must be verified aft...

Страница 26: ...T 25 C 19 6 l min Note water mixed at cock KRB 12 KR 12 Fuel type CH max heat input kW CH heat output 80 60 C kW CH heat output 50 30 C kW Gas mains pressure mbar Nozzle mm 100 Diaphragm diameter mm F...

Страница 27: ...Value referred to 15 C 1013 mbar Maximum water temperature 83 C expansion vessel pressure 1 bar KC 24 KRB 24 KR 24 Max output Min output 30 load Casing heat loss with burner on 0 97 6 49 Casing heat...

Страница 28: ...ng according to 92 42 EC NOx emission class 5 Table 17 Combustion specifications KC 32 KRB 32 KR 32 model KC 28 KRB 28 KR 28 Max output Min output 30 load Casing heat loss with burner on 1 4 5 7 Casin...

Страница 29: ...ir intake and flue gas venting system and relevant sub paragraphs check the wall for sturdiness avoiding weak areas do not install the boiler over appliances which may affect boiler operation e g cook...

Страница 30: ...30 76 60 62 67 82 73 155 24 23 9 760 12 80 80 100 80 190 92 80 290 173 147 132 14 0DIMACAR18 fig 9...

Страница 31: ...provide holes in the wall to allow air intake and or flue gas venting pipes to pass through it secure the supporting bracket to the wall using the blocks supplied with the boiler position the connect...

Страница 32: ...e to be installed tilted toward the boiler so that condensate runs toward the combustion chamber which is designed for condensate collection and drainage Should the above procedure not be possible it...

Страница 33: ...erent pressure The terminals may not face each other from opposed walls The boiler is to be equipped with a fan mounted before the combustion chamber heat exchanger Type C83 Boiler intended to be conn...

Страница 34: ...pipes is 10 meters Maximum permissible length of 125 80 mm vertical coaxial pipes is 14 5 meters For each additional 1 meter of straight pipe maximum permissible length is to be reduced by 1 meter For...

Страница 35: ...f air intake pipe is 1 meter Minimum permissible length of flue gas venting pipe is 1 meter Maximum permissible length of air intake flue gas venting pipes is 78 meters combined length of air intake a...

Страница 36: ...ol 13 fig 1 indicating that the parameter is being edited the broom 12 fig 1 the H letter indicating Hertz the speed set point value in Hz the fan current speed and the flame on symbol if burner is on...

Страница 37: ...t be held responsible for any damage resulting as failure in observing the above mentioned technical precaution DOMESTIC HOT WATER model KC Cold water inlet and DHW outlet shall be connected to the bo...

Страница 38: ...reset and the boiler re ignited as shown in the following table Operation range selection is to be implemented by an installer or a Service Centre 3 2 12 Connection to ambient thermostat optional The...

Страница 39: ...nd 30 The temperature probe cables must NOT be routed together with power cables The temperature probe must be installed on an outside wall facing NORTH NORTH EAST in a position protected from weather...

Страница 40: ...r a virtual ambient temperature of 20 C Editing parameter P10 the curves shift up or down respectively by the same amount With a virtual ambient temperature setting of 20 C for example if you select t...

Страница 41: ...andard or solar thermostats 0 1 0 0 normal 1 solar P15 TSP15 Anti water hammer delay settable 0 3 sec 0 P16 TSP16 Ambient thermostat reading delay OT 0 199 sec 0 P17 TSP17 Multifunction relay setting...

Страница 42: ...20 C only with zone board connected P66 Selection of zone 3 curve 0 3 0 6 only with two zone boards connected P67 Zone 3 set point 15 35 C 20 C only with two zone boards connected P70 Selection of zo...

Страница 43: ...following procedure unscrew the protective cap at the centre of the pump motor put a screwdriver into the hole and manually rotate the circulation pump shaft clockwise once the unblocking operation i...

Страница 44: ...KR 24 MODEL KEY V1 Pump speed I min V2 Pump speed II V3 Pump speed III max V1 V2 V3 Available head mbar fig 20 0 100 200 300 400 500 600 0 200 400 600 800 1000 1200 KC KRB KR 12 MODEL V1 V2 V3 Availab...

Страница 45: ...400 KC KRB KR 32 MODEL KEY V1 Pump speed I min V2 Pump speed II V3 Pump speed III max V1 V2 V3 fig 22 Flow rate l h Available head mbar 0 100 200 300 400 500 600 0 200 400 600 800 1000 1200 1400 KC KR...

Страница 46: ...n_C CN_J rd pk wh bk rd pk wh bk or pk wh bk 0SCHEMOD27 RETRO 0SCHEINT01 QUATOUCH01 1 4 1 5 X2 bu bn ygn bu bn bk P VG MDV N bu Risc bk Sanit bn V FL DK SF SR1 SR2 TF E SRT SS bu bn bu bn bn bu ygn yg...

Страница 47: ...tional PANEL ELECTRICAL CONNECTIONS 1 2 ambient thermostat contact 2 3 4 ambient thermostat contact 1 or opentherm 5 6 external probe 7 8 boiler Water cylinder probe 9 10 boiler solar probe 11 12 sola...

Страница 48: ...cylinder cooling function This function consists in cooling water cylinder down to the temperature value set by the user by transferring excess heat from the water cylinder to the solar collector With...

Страница 49: ...DEVIATRICE SOLARE MORSETTI 21 22 23 SONDA ESTERNA MORSETTI 5 6 MORSETTI 3 4 TERMOSTATO AMBIENTE fig 26 Multifunction relay connecting diagram X neutral Y to boiler Z to collector X neutral Z to colle...

Страница 50: ..._E CN_C CN_D S F S M1 S M2 TF E S R T 230V a c Conn_F Conn_E Conn_C CN_J 0S CHE MOD27 R E TR O 0S CHE INT01 CODI CI CABLAGGI UTI LI ZZATI 0CABESTO13 c abl aggi o s egnal i 0SCHEMOD27 r es t o c al dai...

Страница 51: ...probe 7 8 boiler Water cylinder probe 9 10 boiler solar probe 11 12 solar collector probe 13 14 timer cylinder thermostat if a water cylinder probe is not present 17 serial input GND 18 serial input 4...

Страница 52: ...TR ICO DI C ONNE S S IONE 1 2 3 4 1 3 4 N 230V 50Hz T A2 Sext SBC 0CR E MOT O04 T A1 SBS SCS G ND 485A 485B 5V E R NC NO C N AL AR M PSOL 0QATOUCH01 vis ta da dietro T B V R A HE A T ING F F bw R IS C...

Страница 53: ...iler Water cylinder probe 9 10 boiler solar probe 11 12 solar collector probe 13 14 timer cylinder thermostat if a water cylinder probe is not present 17 serial input GND 18 serial input 485A 19 seria...

Страница 54: ...Control and TA2 fig 33 Relay with remote request P17 1 fig 34 Relay with TA2 request P17 3 fig 35 DIAGRAM PARAMETER SETTING SOLAR EXCLUDED P17 Error signalling relay 0 Relay controlled by TA1 or by th...

Страница 55: ...el insert the 7 2 mm diaphragm on the outlet of the gas valve In case the nozzle idles when reaching the bottom of the nozzle threaded seat it means that the thread is damaged and perfect sealing is n...

Страница 56: ...set to ON Select the heating mode on the control panel pressing key n times until symbol is displayed Start the flue cleaning function by keeping key pressed until symbol stops flashing Boiler switch...

Страница 57: ...gas 9 0 9 3 24 kW Propane 10 28 kW Natural gas 9 0 9 3 28 kW Propane 10 10 3 32 kW Natural gas 9 0 9 3 32 kW Propane 10 Table 22 CO2 rates DIAMETER OF NOZZLES DIAPHRAGMS mm Natural gas LPG 12 kW 3 05...

Страница 58: ...ct for the boiler calibration convert the boiler to the available gas when necessary see section no 3 7 this operation must only be performed by qualified technical personnel the gas supply cock is op...

Страница 59: ...k the state of combustion fan check integrity of safety devices of the boiler in general check for water leaks and oxidised areas on the boiler s couplings check efficiency of the system safety valve...

Страница 60: ...t Check the chimney and ambient air intake openings Flue vent air intake duct is obstructed Check for any duct obstruction and eliminate Flue gas thermostat is faulty Replace it E04 CH system water pr...

Страница 61: ...transducer is disconnected Reconnect it Pressure transducer is faulty Replace it E49 Communication error between boiler board and touch screen The interface is faulty Replace the interface E80 The T b...

Страница 62: ...62...

Страница 63: ...63...

Страница 64: ...39 0365 878 576 e mail info fondital it www fondital com The manufacturer reserves the right to modify his her products as deemed necessary without altering the basic characteristics of the products...

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