Fondital ITACA KC 12 Installation, Use And Maintenance Manual Download Page 58

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3.6.5.

Wiring diagram for forced circulation solar system with combi boiler

Parameter setting

P03

P17

P18

fig. 25

RETE IDRICA

MORSETTI 9 - 10

SONDA BOLLITORE

SOLARE

ITACA

KC 24-28-32

MORSETTI 11 - 12

SONDA ESTERNA

MORSETTI 5 - 6

MORSETTI 3 - 4

TERMOSTATO

AMBIENTE

SONDA COLLETTORE

SOLARE

0KITSOLC07

MORSETTI 21 - 22 - 23

Contact

TA2

Contact TA1 or

OpenTherm

Probe 10KΩ

at 25°C β3977

Probe

PT1000

Probe

PT1000

Ambient

probe 2

Ambient

probe 1

Boiler

water

cylinder

probe

External

probe

Connect.

OT or TA1

Relay which can be freely

programmed coφ=1

External

communication

Probe 10KΩ

at 25°C β3435

Probe 10KΩ

at 25°C β3977

Probe 10KΩ

at 25°C β3977

Solar

collector

probe

Boiler solar

probe

AMBIENT

THERMOSTAT

EXTERNAL PROBE

TERMINALS 5 - 6

TERMINALS 21 - 22 - 23

TERMINALS 3 - 4

TERMINALS 11 - 12

TERMINALS 9 - 10

BOILER SOLAR

PROBE

SOLAR COLLECTOR

PROBE

DOMESTIC WATER SYSTEM

ITACA

KC 12-24-28-32

Summary of Contents for ITACA KC 12

Page 1: ...IST 03 C 541 01 Installation use and maintenance ITACA KC 12 24 28 32 KR 12 24 28 32 KRB 12 24 28 32 EN...

Page 2: ...uthorised 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 performed in...

Page 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...

Page 4: ...comes on 6 To set the DHW water temperature press DHW buttons D fig 1 Set temperature as required 7 To set the heating water temperature press heating water buttons E fig 1 Set temperature as require...

Page 5: ...e 28 2 1 Technical features page 28 2 2 Dimensions page 29 2 3 Boiler layouts page 32 2 4 Operating data page 34 2 5 General characteristics page 35 3 Instructions for the installer page 37 3 1 Instal...

Page 6: ...age 55 Fig 22 Forced circulation solar system with CH only boiler wiring diagram page 56 Fig 23 Multifunction relay wiring diagram page 56 Fig 24 Wiring diagram KC model page 57 Fig 25 Forced circulat...

Page 7: ...nd parameter setting F Alarm reset and back to the starting page during parameter selection G DHW comfort function enabling and confirm key H Operating status selection To gain access to the interface...

Page 8: ...n Manual mode setting 12 Display of zone 1 heating programme Edit zone 1 heating programme 13 Current day of the week Edit day of the week 14 Display of zone 2 heating programme Edit zone 2 heating pr...

Page 9: ...DHW function active DHW temperature displayed Only for KC models Boiler switch in WINTER or CH ONLY mode CH function active The flow water temperature is displayed Boiler switch in SUMMER or WINTER mo...

Page 10: ...gh system pressure External cylinder probe KR or KRB or domestic cold water inlet probe KC failure Return probe failure Solar collector probe failure SCS Solar valve probe failure SVS Solar water cyli...

Page 11: ...xternal probe error with connected ambient probe Communication error between main board and interface board Safety system hardware malfunction Incompatibility between boiler main board and interface b...

Page 12: ...2 Max number of reset attempts from touch screen reached Max number of reset attempts from Remote Control reached optional if connected Table 2 BOILER STATUS LCD indications in the event of malfunctio...

Page 13: ...iler is in standard DHW operating mode for an instant boiler For CH only KRB models the comfort function is not available The comfort icon on the display is always OFF If COMFORT function is enabled i...

Page 14: ...SUMMER WINTER CH ONLY OFF modes are enabled in sequence At this stage all buttons are enabled When the SUMMER mode is enabled only the DHW production function is active When the CH ONLY mode is enable...

Page 15: ...in which the icon is flashing only the buttons to adjust the set point temperature of the DHW are enabled Press the CH button E fig 1 to select the flow water set point During selection icon CH 5 fig...

Page 16: ...Flashing values can be edited by pressing CH buttons Press ok to confirm the edited value and shift to next parameter press reset to quit the function and go back to starting page Press set to access...

Page 17: ...y temperature is identified by the symbol while night temperature by the symbol The day temperature is active when bars are on while night temperature is active when bars are off 1 Press set twice to...

Page 18: ...mme setting mode 2 Press ok to confirm manual programming activation Press reset to go back to the starting page namely to quit the function 1 9 Automatic programme setting The selection of automatic...

Page 19: ...ide the different times of the day 4 To program other days of the week or to program zone 2 and water cylinder press reset You will go back to the starting page Whatever part of the programme can be q...

Page 20: ...ler will be displayed If an external probe is installed the flow temperature boiler calculated through the curves on fig 1 will be displayed P42 Domestic hot water temperature displaying for KC models...

Page 21: ...d 15 seconds after no key is touched all the keys but the one around the LCD will be disabled 1 13 Boiler reset The display shows the failure based on the corresponding error code see paragraph 1 2 So...

Page 22: ...the following one used to prevent boiler frequent turning on and off ranges between 0 and 10 minutes default value 4 min and can be edited with the P11 parameter Should water temperature in the system...

Page 23: ...function ends when the probe ambient temperature reading reaches 6 C 1 14 5 2 Flow anti freeze function When the heating water temperature sensor detects a water temperature of 5 C the boiler switche...

Page 24: ...ing from those required by the managing electronics may affect boiler and external probe operation 1 14 8 Operation with optional Remote Control Boiler interface includes all the possible functions of...

Page 25: ...of 1 1 3 bar turn cock clockwise to close it model KC or for models KR and KRB close the cock on the cold water supply pipe If the boiler still fails to operate contact a Service Centre or a qualifie...

Page 26: ...STEM PRESSURE ABOVE 0 4 BAR When the reset button is pressed boiler shuts down and display goes back to standard screen SYSTEM PRESSURE BELOW 0 4 BAR Press the reset button to re activate system autom...

Page 27: ...settings on the touch screen and ignore the Remote Control settings Contact a Service Centre or a qualified service engineer to carry out the maintenance The Remote Control can indicate faults or shut...

Page 28: ...4 14 l min KC 28 and 16 l min KC 32 User interface Touch interface with built in LCD to display and control boiler operating condition OFF RESET WINTER SUMMER and ANTI FREEZE CH water temperature regu...

Page 29: ...0 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 system flow C Hot water outlet R CH system return RC Filler cock RS Discharge cock KC MODEL View...

Page 30: ...ater inlet G Gas inlet SI Trap inspection cap M CH system flow R CH system return RS Discharge cock KR MODEL 76 60 62 67 82 73 121 23 10 31 100 124 39 63 92 190 420 750 315 View from bottom View from...

Page 31: ...92 190 420 750 315 fig 5 RB Secondary return from water cylinder G Gas inlet SI Trap inspection cap M CH system flow R CH system return RS Discharge cock MB Secondary flow to water cylinder KRB MODEL...

Page 32: ...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 10 condotto aspirazione aria 11 cond...

Page 33: ...ow fig 8 KRB model 8 M 7 6 5 4 3 2 1 21 9 10 11 12 13 14 16 19 22 1 sifone raccogli condensa 2 valvola gas modulante 3 doppio sensore di temperatura di mandata 4 5 ventilatore modulante 6 7 scambiator...

Page 34: ...0 mbar for G20 and 37 mbar for G31 In case of different gas categories please contact the manufacturer KC 24 Fuel type CH max heat input kW CH heat output 80 60 C kW CH heat output 50 30 C kW DHW heat...

Page 35: ...sumption at maximum CH output kg h 0 93 1 84 2 05 2 36 Maximum CH working temperature C 83 83 83 83 Maximum DHW working temperature KC C 62 62 62 62 Maximum DHW working temperature KR KRB external cyl...

Page 36: ...rating according to 92 42 EC NOx emission class 5 Table 13 Combustion specifications model KC KR KRB 12 KC 28 KR 28 KRB 28 Max output Min output 30 load Casing heat loss with burner on 1 4 5 7 Casing...

Page 37: ...ion 3 2 6 Air 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 operati...

Page 38: ...38 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...

Page 39: ...if necessary 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 positio...

Page 40: ...ed suitable for condensing boilers Flue gas venting pipes are to be installed tilted toward the boiler so that condensate runs toward the combustion chamber which is designed for condensate collection...

Page 41: ...C83 Boiler intended to be connected to combustion air terminal and to a single flue gas terminal or collective chimney The chimney must be compliant with applicable legislation and standards The boile...

Page 42: ...meters Maximum permissible length of 125 80 mm vertical coaxial pipes is 13 5 meters For each additional 1 meter of straight pipe maximum permissible length is to be reduced by 1 meter For each addit...

Page 43: ...ng pipes is 91 meters combined length of air intake and flue gas venting pipe For each additional 1 meter of straight pipe maximum permissible length is to be reduced by 1 meter For each additional 90...

Page 44: ...bol indicating that the parameter is being edited the broom the H letter indicating Hertz the speed set point value in Hz the fan current speed and the lit flame on symbol if burner is on As soon as t...

Page 45: ...hard Water supplied by commonly marketed water softeners due to PH level induced in water may not be compatible with some components in the system CONDENSATE DRAIN Comply with condensate drain laws an...

Page 46: ...correct operation of the Remote Control itself and of the boiler is not guaranteed if non original Remote Control units not supplied by the manufacturer are used To install the Remote Control refer t...

Page 47: ...z 43 Hz 43 Hz P6 TSP6 Fan speed at ignition power and propagation 25 to 160 Hz 48 Hz 48 Hz 58 Hz 58 Hz 60 Hz 60 Hz 76 Hz 76 Hz P7 TSP7 Upper limit for maximum CH heat output 10 to 100 75 74 88 88 87 8...

Page 48: ...esponding to parameter 1 and the outdoor temperature is 4 C the CH flow temperature will be 50 C 1 With installed external probe press CH buttons E fig 1 to set calculated ambient temperature As soon...

Page 49: ...14 Setting of standard or solar DHW 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 Multifun...

Page 50: ...fferential OFF 0 0 1 0 C 0 0 C only with connected ambient probe P55 SA2 ambient probe triggering differential ON 1 0 0 1 C 0 5 C only with connected ambient probe P56 SA2 Ambient probe correction ran...

Page 51: ...ted P82 Zone 2 mixing valve forcing 0 2 0 0 standard function 1 force in opening 2 force in closing P84 Zone 3 pump relay forcing 0 1 0 0 standard function 1 relay excited P85 Zone 3 mixing valve forc...

Page 52: ...re is to be followed while the system is cold Digital pressure gauge is used to read pressure inside the heating circuit 3 4 Starting up the boiler 3 4 1 Preliminary checks Before starting the boiler...

Page 53: ...50 500 0 200 400 600 800 1000 1200 PWM 100 PWM 75 PWM 30 0 50 100 150 200 250 300 350 400 450 500 0 200 400 600 800 1000 1200 PWM 100 PWM 75 PWM 30 0 50 100 150 200 250 300 350 400 450 500 0 200 400 6...

Page 54: ...0 200 250 300 350 400 450 500 0 200 400 600 800 1000 1200 PWM 100 PWM 75 PWM 30 0 50 100 150 200 250 300 350 400 450 500 0 200 400 600 800 1000 1200 PWM 100 PWM 75 PWM 30 0 50 100 150 200 250 300 350...

Page 55: ...ut 485A 19 serial input 485B 20 serial input 5V 21 relay neutral 22 normally closed phase relay NC 23 normally open phase relay NA X7 X6 X5 X4 X3 X2 TA TA2 OT o TA1 sonda Ext sonda Boll caldaia sonda...

Page 56: ...lar system with CH only boiler Parameter setting P03 P17 P18 3 2 1 SONDA BOLLITORE SOLARE SONDA BOLLITORE CALDAIA ITACA KRB 12 24 SONDA ESTERNA MORSETTI 5 6 MORSETTI 3 4 TERMOSTATO AMBIENTE RETE IDRIC...

Page 57: ...trode V brushless fan ACC1 ignition transformer CN_A CN_M signal load connectors X2 X7 ground connectors 0CREMOTO04 opentherm Fondital Remote Control 0SONDAES01 external probe to be used with 0CREMOTO...

Page 58: ...ct TA1 or OpenTherm Probe 10K at 25 C 3977 Probe PT1000 Probe PT1000 Ambient probe 2 Ambient probe 1 Boiler water cylinder probe External probe Connect OT or TA1 Relay which can be freely programmed c...

Page 59: ...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...

Page 60: ...g diagram fig 27 AMBIENT THERMOSTAT EXTERNAL PROBE TERMINALS 5 6 TERMINALS 21 22 23 SOLAR DEVIATING VALVE TERMINALS 3 4 TERMINALS 9 10 DOMESTIC WATER SYSTEM BOILER SOLAR PROBE X neutral Y to boiler Z...

Page 61: ...parameter P17 TSP17 Relay with Remote Control and TA2 fig 28 Relay with interface programming and TA2 fig 29 Relay with remote request P17 1 fig 30 Relay with request P17 3 fig 31 Remote Control sole...

Page 62: ...6539 15271 14113 13054 20 12084 11196 10382 9634 8948 30 8317 7736 7202 6709 6254 40 5835 5448 5090 4758 4452 50 4168 3904 3660 3433 3222 60 3026 2844 2674 2516 2369 70 2232 2104 1984 1872 1767 80 167...

Page 63: ...h the socket head screws making sure to insert the O ring between mixer and fan fig 35 Reconnect boiler to electric power supply and open the gas cock Access the programming page to set the parameters...

Page 64: ...set the P0 P4 P5 P6 P7 P8 parameters based on the power and on the gas as specified in tab 20 Set the flue CO2 rate by turning the ratio adjuster B fig 37 and ensure that reading falls within the lim...

Page 65: ...s 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 21 CO2 rates DIAMETER OF NOZZLES DIAPHRAGMS mm Natural gas Propane 12 kW 3 0...

Page 66: ...in the system pipes are open the mains gas type is correct 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...

Page 67: ...condition and seal integrity of the flue gas venting pipes check the state of combustion fan check integrity of safety devices of the boiler in general check for water leaks and oxidised areas on the...

Page 68: ...e thermostat triggering Poor flue draught Check the chimney and ambient air suction openings Flue vent air intake duct is obstructed Check for any duct obstruction and eliminate Flue gas thermostat is...

Page 69: ...onnect it Zone solar boards are disconnected Reconnect them Interface display and or zone solar boards are faulty Replace them E42 Solar system setting error Wrong boiler board or solar board setting...

Page 70: ...probe on heat exchanger is faulty or damaged Replace it E98 The max number of resets from the boiler touch screen has been reached The user has reached the max number of resettable errors from boiler...

Page 71: ...71...

Page 72: ...x 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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