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Related Manuals for Fondital FORMENTERA KC 12
Summary of Contents for Fondital FORMENTERA KC 12
- Page 1 FORMENTERA KC 12 - 24 - 28 - 32 KRB 12 - 24 - 28 - 32 KR 12 - 24 - 28 - 32 InSTallaTIon, uSe and maInTenanCe...
- Page 2 Dear Sirs, Thank You for choosing and buying one of our boilers. Please read these instructions carefully in order to properly install, operate, and maintain the equipment. We inform users that: • boilers shall be installed by a company in full compliance with the prevailing standards; •...
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Page 3: General Notes For Installers, Maintenance Technicians, And Users
General notes for installers, maintenance technicians, and users This instruction manual is an integral and essential part of the product. It shall be supplied by the installer to the user who shall keep it carefully to consult it whenever necessary. This document shall be supplied together with the equipment in case the latter is sold or transferred to others. -
Page 4: Rapid Operating Instructions
RaPId oPeRaTInG InSTRuCTIonS The following instructions will help you to switch the boiler on quickly and regulate it for immediate use. It is presumed that the boiler has been installed by a qualified installer, it has been commissioned and is ready to operate correctly. -
Page 5: Table Of Contents
ConTenTS Warnings General notes for installers, maintenance technicians, and users ......... . . page Rapid operating instructions. - Page 6 3.6.11. Multifunction relay setting diagrams ............page 3.7.
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Page 7: Instructions For The User
INSTRuCTIoNS foR THe uSeR 1.1. Control panel fig. 1 A. Domestic hot water set buttons (see par. 1.4, 1.8.3). B. Hot water for heating purposes (see par. 1.4, 1.8.2) and parameter set buttons. C. Buttons for alarm reset and back to the starting page during parameter selection. D. -
Page 8: Interpreting Boiler Status From Lcd Display Indications
1.2. Interpreting BoILeR STATuS from LCD DISPLAY INDICATIoNS Normal operation Boiler switch in off mode Boiler switch in SuMMeR mode No active function. The flow temperature and the system pressure are displayed. Boiler switch in WINTeR mode No active function. The flow temperature and the system pressure are displayed. - Page 9 Malfunction No flame Triggering of double flow probe Triggering of flue gas thermostat Insufficient system pressure flow probe failure DHW probe failure (only model KC) flue gas probe failure System pressure too high Water cylinder probe failure (optional, if connected; models KRB and KR only) Return probe failure Solar collector probe (SCS) failure (optional, if connected) Solar valve probe (SVS) failure (optional, if connected)
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Page 10: Table 3 - Boiler Status - Lcd Indications In The Event Of Malfunction
Mixed zone flow probe 4 failure (optional, if connected) fan failure Communication failure with peripheral boards (optional, if connected: zone board and solar board) Hydraulic configuration not allowed Zone configuration error (optional, if connected: Remote Control and ambient thermostat) Pressure transducer fault Communication error between main board and touch screen Safety system hardware malfunction Incompatibility between boiler main board and interface board... -
Page 11: Selecting The Operating Mode
1.3. Selecting the operating mode Every time the "operating status selection" button (e, fig.1) is pressed, the SUMMER , WINTER , CH ONLY and 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 enabled, only the heating water production function is active. -
Page 12: Adjusting Ch And Dhw Temperature
1.4. Adjusting CH and DHW temperature Press the DHW +/- button (a, fig.1) to select the desired domestic hot water temperature. During selection, DHW icon (7, fig. 1) will flash. As soon as button is released, icon will continue flashing for approx. 3 seconds, and the DHW value will flash as well. After this time, value is stored and display standard operation will be restored. -
Page 13: Table 4 - Displayable Parameters With "Info" Button
PaRameTeRS deSCRIPTIon P30 - TSP30 external temperature displaying (if an external probe is present). flow temperature displaying. Calculated nominal flow temperature displaying. If no external probe is installed, the flow temperature manually set on boiler will be displayed. If an external probe is installed, the flow temperature boiler calculated through the curves on figure 18 will be displayed. -
Page 14: Failures That Cannot Be Reset
1.6. failures that cannot be reset The display shows the failure based on the corresponding error code (table 3). Some failures can be reset through the "reset" button, while some others are self-resettable. Refer to the following paragraph (“Boiler reset”). If failures cannot be reset but are of the self-resettable type, no key will be enabled and only the LCD backlighting will be on. -
Page 15: Boiler Operation
1.8. Boiler operation 1.8.1. Switching on It is presumed that the boiler has been installed by a qualified installer, it has been commissioned and is ready to operate correctly. - Open the gas stop cock; - turn the master switch installed ahead of the boiler ON. The display turns on and indicates the function currently active (see tables 3 and 4); - select boiler operation mode by pressing the "operating status selection"... -
Page 16: Anti-Freeze Function
l = DHW litre per min. = -------- ΔT where K is: - 264 in KC 12 model - 402 in KC 24 model - 465 for KC 28 model - 489 for KC 32 model ΔT = hot water temperature – cold water temperature For instance, with model KC 24, if the cold water is at 8°C and you want hot water at 38°C for a shower, the value of ΔT is: ΔT = 38°C - 8°C = 30°C and the number of DHW litres per minute available at 38°C is:... -
Page 17: Operation With External Probe (Optional)
1.8.6. operation with external probe (optional) Boiler can be connected to a probe measuring the external temperature (optional - not compulsory, supplied by the manufacturer). Once the external temperature value is known, the boiler will automatically adjust the heating water temperature: increasing it as the external temperature decreases and decreasing it as the external temperature increases. -
Page 18: Shutdown Due To Insufficient Water Pressure In System
1.9.4. Shutdown due to insufficient water pressure in system If “shutdown due to insufficient pressure in system” error e04 starts flashing (indicating safety water pressure switch triggering), fill the system by opening the filler cock (model KC) or the cock on the cold water supply pipe (models KR and KRB) (see fig. 2). e04 error is displayed when system pressure drops below 0.4 bar and error will be automatically reset as soon as system pressure reaches 1.0 bar. -
Page 19: Alarm Due To Temperature Probe Malfunction
1.9.5. Alarm due to temperature probe malfunction The following fault codes are shown on the display in the event of burner shutdown due to a temperature probe fault: - e05 for the CH probe. In this case the boiler does not work. - e06 for the DHW probe. -
Page 20: Technical Features And Dimensions
TeCHNICAL feATuReS AND DIMeNSIoNS 2.1. Technical features The boiler is equipped with a fully pre-mixed gas burner. The following model is available: - KC: condensing boiler with sealed chamber and forced draught, supplying CH water and instant DHW production; - KRB: condensing boiler with sealed chamber and forced draught, supplying CH water only;... -
Page 21: Dimensions
2.2. Dimensions MoDeL KC 63 92 76 60 62 67 82 73 View from top View from bottom Cold water inlet DHW outlet Gas inlet CH return Trap inspection cap Discharge cock CH flow Filling cock fig. 3... - Page 22 MoDeL KRB 63 92 76 60 62 67 82 73 View from top View from bottom Secondary return from water cylinder CH system return Gas inlet Discharge cock Trap inspection cap Secondary flow to water cylinder CH system flow fig. 4...
- Page 23 MoDeL KR 63 92 76 122 67 82 73 View from top View from bottom Cold water inlet CH system flow Gas inlet CH system return Trap inspection cap Discharge cock fig. 5...
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Page 24: Hydraulic Diagram
2.3. Hydraulic diagrams Model KC 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 Flue gas thermostat on venting duct Flue gas thermostat on exchanger Ignition/detection electrode Expansion vessel Fan management probe... -
Page 25: Operating Data
Model KR Condensate trap 1 sifone raccogli condensa Modulating gas valve 2 valvola gas modulante Flow temperature twin probe 3 doppio sensore di temperatura di mandata Modulating fan ventilatore modulante Primary condensing exchanger scambiatore primario condensante Air-purging device disareatore Air intake duct condotto aspirazione aria Flue gas venting duct condotto evacuazione fumi... - Page 26 KC 28 Gas mains Diaphragm flue gas heat output heat output max. Nozzle heat output fuel type pressure diameter value (80-60°C) (50-30°C) heat input [mm/100] [kW] [mbar] [mm] [kW] [kW] [kW] min. max. min. max. min. max. Natural gas G20 26.4 25.4 3.58...
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Page 27: General Characteristics
2.5. General characteristics model 12 kW 24 kW 28 kW 32 kW Device category II2H3P II2H3P II2H3P II2H3P Minimum CH system pressure Maximum CH system pressure DHW system min. pressure (KC) DHW system max. pressure (KC) DHW specific flow rate (Δt 30K) (KC) l/min 13.4 15.5... - Page 28 Max. output Min. output 30% load KC 28/KRB 28/KR 28 Casing heat loss with burner on Casing heat loss with burner off 0.25 Flue system heat loss with burner on Flue system mass capacity 13.93 1.47 Flue gas temp. – air temp. °C Maximum heat output efficiency rating (60/80°C) 96.4...
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Page 29: Instructions For The Installer
INSTRuCTIoNS foR THe INSTALLeR 3.1. Installation standards This is an II2H3P category boiler and must be installed in compliance with the laws and standards in force in the country of installation, which are herein considered as entirely transcribed. 3.2. Installation Accessories and spare parts for installation and service procedures are to be supplied by the Manufacturer. - Page 30 fig. 9...
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Page 31: Installing The Boiler
3.2.4. Installing the boiler Before connecting the boiler to CH and DHW systems, clean the pipes carefully. - Before commissioning a NeW system, clean it to remove any metal chips due to machining and welding, and any oil and grease that might negatively affect boiler operation or even damage it in case they get inside it. -
Page 32: Air Intake And Flue Gas Venting System
3.2.6. Air intake and flue gas venting system Flue gas discharge into the atmosphere and air intake/flue gas venting systems must comply with applicable laws and standards in the country of installation that are considered as fully transcribed herein. The boiler is equipped with safety devices checking correct flue gas exhaustion. Should an air/flue gas system malfunction occur, the safety devices will shutdown the boiler and the LCD will display the e03 code flashing. -
Page 33: Configuration Of Air Intake And Flue Gas Venting Ducts
3.2.6.1. Configuration of air intake and flue gas venting ducts Type B23 Boiler intended for connection to an existing flue system external to the boiler room. Combustion air is taken directly from the boiler room itself while flue gas is conveyed to the outside. The boiler is not to be fitted with anti-wind gust device;... -
Page 34: Air Intake And Flue Gas Venting Via 80 Mm Split Pipes
KC 28 - KRB 28 - KR 28 reduced by 0.5 meter. Minimum permissible length of horizontal coaxial pipes is 1 meter. The roof vent terminal reduces maximum permissible length by 1.5 Maximum permissible length of Ø100/60 mm horizontal coaxial pipes meters. -
Page 35: Air Intake And Flue Gas Venting Via 60 Mm Split Pipes
Gasket Blanking fig. 12 fig. 11 KC 24 - KRB 24 - KR 24 Minimum permissible length of 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 84 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. -
Page 36: Checking Combustion Efficiency
Blanking Gasket Gasket fig. 14 fig. 13 3.2.7. Checking combustion efficiency 3.2.7.1. flue cleaning function The boiler features a flue cleaning function which must be used to measure combustion efficiency during operation and to adjust the burner. To enable the flue cleaning function, press the "reset" key and it keep it pressed for about three seconds. If the reset key is released before the three seconds have lapsed, the boiler continues to operate normally. -
Page 37: Connection To Gas Mains
3.2.8. Connection to gas mains Gas supply pipe cross-section must be equal or greater than boiler gas pipe. Cross-section gas pipe size depends on its length, layout pattern, gas flow rate. Gas pipe size is to be selected accordingly. Comply with installation standards enforced in the country where the boiler is installed which are considered as fully transcribed in this booklet. -
Page 38: Connection To The Electrical Mains
3.2.10. Connection to electrical mains The boiler is supplied with a three-poled power cable, already connected to the electronic board and it is provided with a safety clamp. The boiler is to be connected to a 230V-50Hz electrical power supply. When connecting the boiler to power mains, follow correct phase / neutral polarity sequence. -
Page 39: Installation Of The (Optional) External Probe And Sliding Temperature Operation
The Remote Control connector is protected against inverted polarity, and the connections may be inverted. Do not connect the remote control to mains electrical power 230 V ~ 50 Hz. For complete instructions on how to program the Remote Control, refer to the instruction manual included in the Remote Control kit. Board and Remote Control communicate in each operating mode: OFF/SUMMER/WINTER/CH ONLY;... - Page 40 Fig. 18 shows the curves for 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 the curve corresponding to parameter 1 and the outdoor temperature is - 4°C, the CH flow temperature will be 50°C.
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Page 41: Tsp Parameters That Can Be Set From Interface And Remote Control
3.2.15. TSP parameters that can be set from interface or Remote Control Parameter Settable values Default values notes 0 = 12 kW natural gas; 1 = 24 kW natural gas; P0 - TSP0 2 = 28 kW natural gas; 3 = 24 kW propane; 0, 1, 2, 3, 4, 5, 6, 7 Boiler type selection 4 = 28 kW propane;... -
Page 42: Table 20 - General Table Of Tsp Parameters
only with at least one zone board connected Current zone 2 flow temperature only with at least two zone boards connected Set point of zone 3 flow temperature only with at least two zone boards connected Current zone 3 flow temperature only with three zone boards connected Set point of zone 4 flow temperature only with three zone boards connected... -
Page 43: Filling The System
3.3. filling the system Once all boiler connections have been completed, CH system can be filled. The procedure is to be cautiously carried out, following each step: - gradually open the relevant filler cock (fig. 2), or the cock on the cold water supply pipe for models KRB/KR), checking any automatic bleeding valves installed in the system properly work;... -
Page 44: Available Head
3.5. Available head KC - KRB - KR 12 MoDeL V1 Pump speed I (min) V2 Pump speed II 1000 1200 V3 Pump speed III (max.) flow rate [l/h] fig. 19 KC - KRB - KR 24 MoDeL V1 Pump speed I (min) V2 Pump speed II V3 Pump speed III (max.) 1000... - Page 45 KC - KRB - KR 28 MoDeL V1 Pump speed I (min) V2 Pump speed II 1000 1200 1400 V3 Pump speed III (max.) flow rate [l/h] fig. 21 KC - KRB - KR 32 MoDeL V1 Pump speed I (min) V2 Pump speed II 1000 1200...
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Page 46: Wiring Diagrams
3.6. Wiring diagrams MoDeL KC relè liberamente OT o TA1 sonda sonda Coll. programmabile co φ 1 sonda Boll. sonda Boll. Solare caldaia solare n.c. n.a. comunicazione con esterno Contatto TA1 o Contatto Sonda 10KΩ a Sonda Sonda 10KΩ a Sonda Open-Therm PT1000... -
Page 47: Wiring Diagram For Forced Circulation Solar System With Combi Boiler
Cn_a-Cn_m: signal/load connectors SR1-SR2: heating NTC probe 10 kOhm at 25 °C X2-X7: ground connectors 17: serial input GND 0CRemoTo04: Opentherm Fondital remote control B=2435 18: serial input 485A SF: flue NTC probe 10 kOhm at 25 °C B=2435 0SondaeS01: external probe to be used with Remote... -
Page 48: Solar Collector Anti-Freeze Function
Multifunction relay connecting diagram 3.6.2. Solar collector anti-freeze function Solar collector anti-freeze function is enabled by setting parameter P24 = 1. With this function, solar pump is activated as soon as solar collector probe detects a temperature of 4° C 3.6.3. - Page 49 3.6.6. Wiring diagram for natural circulation solar system with combi boiler Parameter setting FORMENTERA KC 12-24-28-32 EXTERNAL PROBE SONDA ESTERNA AMBIENT TERMOSTATO THERMOSTAT AMBIENTE TERMINALS 5 - 6 MORSETTI 5 - 6 TERMINALS 3 - 4 MORSETTI 3 - 4 TERMINALS 21 - 22 - 23 MORSETTI 21 - 22 - 23 SOLAR DEVIATING VALVE...
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Page 50: Connection Wiring Diagram
MoDeL KRB relè liberamente OT o TA1 T A2 s onda programmabile coφ1 s onda C oll. s onda B oll. s onda B oll. E xt S olare caldaia s olare n.c. n.a. comunicazione con es terno C ontatto C ontatto T A1 o S onda T ermos tato... - Page 51 Cn_a-Cn_m: signal/load connectors 13-14: timer/cylinder thermostat if a water cylinder X2-X7: ground connectors probe is not present 0CRemoTo04: Opentherm Fondital remote control 17: serial input GND 0SondaeS01: external probe to be used with Remote 18: serial input 485A Control (p/n 0CREMOTO04, optional)
- Page 52 MoDeL KR T A 1 V R A A L A R M PSOL 0C R E M OT O04 T A 2 SB S SC S Sext SB C BACK 0SCHEINT01 0QA T OUC H01 QUATOUCH01 (vis ta da dietro) C onn_F S R 2 S R 1...
- Page 53 Cn_a-Cn_m: signal/load connectors 13-14: timer/cylinder thermostat if a water cylinder X2-X7: ground connectors probe is not present 0CRemoTo04: Opentherm Fondital remote control 17: serial input GND 0SondaeS01: external probe to be used with Remote 18: serial input 485A Control (p/n 0CREMOTO04, optional)
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Page 54: Multifunction Relay Setting Diagrams
3.6.11. Multifunction relay setting diagrams The control panel features a multifunction relay, to be set through the parameter P17 - TSP17 Relay with Remote Control and TA2 Solenoid valve with limit switch fig. 33 Relay with remote request (P17=1) Relay with TA2 request (P17=3) fig. -
Page 55: Adaptation To Other Gas Types And Burner Adjustment
Relationship between temperature (°C) and nominal resistance (ohm) of all NTC probes. T (°C) 27203 24979 22959 21122 19451 17928 16539 15271 14113 13054 12084 11196 10382 9634 8948 8317 7736 7202 6709 6254 5835 5448 5090 4758 4452 4168 3904 3660 3433... -
Page 56: Gas Valve Setting
- To refit the plastic body (Venturi), insert it inside mixer and secure it in place with the retaining screws. Take care not to damage the o-rings assembled on plastic body ends (fig. 38) and to respect the assembling direction (fig. 39). - Refit the reassembled mixer onto the fan with the socket head screws, making sure to insert the O-ring between mixer and fan (fig. -
Page 57: Table 23 - Diameter Of Nozzles - Diaphragms 2
fig. 40 Flue Co RaTe fuel rate (%) 12 kW Natural gas 9.0 - 9.3 12 kW Propane 10.0 - 10.3 24 kW Natural gas 9.0 - 9.3 24 kW Propane 28 kW Natural gas 9.0 - 9.3 28 kW Propane 10 - 10.3 32 kW Natural gas 9.0 - 9.3... -
Page 58: Testing The Boiler
TeSTING THe BoILeR 4.1. Preliminary checks Before testing the boiler, it is recommended to check the following: - the flue gas venting duct and the relative terminal are installed in conformity with the instructions: with the boiler operating there must be no leakage of combustion by-products from any of the gaskets;... -
Page 59: Maintenance
5. MAINTeNANCe Any maintenance (and repair) work must only be carried out by qualified personnel. The user is strongly advised to have the boiler serviced and repaired by a qualified Service Centre. Appropriate boiler maintenance ensures efficient operation, environment preservation, and safety for people, animals and objects. 5.1. -
Page 60: Troubleshooting
TRouBLeSHooTING BoIleR STaTuS malFunCTIon PRoBaBle CauSe SoluTIon Check gas supply. Gas supply failure. Check gas supply cock or gas network safety valve intervention. Burner does not ignite. Gas valve is disconnected. Reconnect it. Gas valve is faulty. Replace it. The board is faulty. Replace it. - Page 61 BoIleR STaTuS malFunCTIon PRoBaBle CauSe SoluTIon Probe is disconnected. Reconnect it. e28** Solar Water cylinder probe failure. Probe is faulty. Replace it. The Remote Control is not connected to Reconnect it. boiler board. Remote Control connection failure e31** Remote control faulty Replace it.
- Page 64 Tel. +39 0365/878.31 - Fax +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 themselves. Uff. Pubblicità Fondital IST 03 C 545 - 01 Luglio 2013 (07/2013)
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