ECONCEPT TECH 25 C
Contents
1. Table 4 Accessories Losses in Maj Air Fume exhaust intet Vertical Horizontal wy 80 PIPE 1m M F 1KWMA83W 1 0 1 6 2 0 BEND 45 M F 1KWMA65W 12 1 8 90 M F 1KWMAO1W 1 5 2 0 PIPE SECTION with test point 1KWMAZOW 0 3 0 3 TERMINAL air wall 1KWMA85A 2 0 fumes wall with antiwind 1KWMA86A 5 0 FLUE Split air fumes 80 80 1KWMA84U 12 0 Connection to collective flues ia i 4 fig 24 Examples of connection to flues gt Air m Fumes If you are then going to connect the ECONCEPT TECH 25 C boiler to a collective flue or a single flue with natural draught the flue must be expressly designed by professionally qualified technical personnel in conformity with the cur rent standards and be suitable for airtight chamber units equipped with a fan In particular flues must have the following characteristics Be sized according to the method of calculation stated in the current standards Zi Be airtight to the products of combustion resistant to the fumes and heat and waterproof for the condensate Have a circular or quadrangular cross section with a vertical progression and with no constrictions Have the ducts conveying the hot fumes adequately distanced or isolated from combustible materials Be connected to just one unit per floor Be connected to just one type of unit or all and only forced draught units or all and onl2. Ferroli ECONCEPT TECH 25 C Opening the casing To open the boiler casing fig 28 1 Undo the screws 1 2 Open turning the casing 2 3 Lift and remove the casing 3 fig 28 Opening the casing Combustion analysis It is possible to analyse the combustion through the air sampling detail 2 and fume sampling detail 1 points shown in fig 29 To take the measurement Open the air and fume sampling points Insert the probes Press the and buttons for 5 seconds to activate TEST mode Wait 10 minutes for the boiler to stabilise Take the measurement IRN For natural gas the CO reading must be between 8 7 and 9 For LPG the CO the reading must be between 9 5 and 10 Analyses made with an unstabilised boiler can cause measurement errors fig 29 Combustion analysis 22 cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25 C 3 4 Troubleshooting Diagnostics In case of operation faults or problems the display flashes and the fault identification code appears Ferroli There are faults that cause permanent shutdown marked with the letter A to restore operation just press the RESET button detail 8 fig 1 for 1 second or RESET on the optional remote timer control if installed if the boiler fails to start it is necessary to first eliminate the fault Other faults marked with the letter F cause temporary shutdowns that are automati
3. This C type unit must be installed using the fume exhaust and inlet pipes supplied by the manufacturer in ac cordance with UNI CIG 7129 92 Failure to use them automatically invalidates every warranty and relieves the manufacturer of any liability For fume exhaust pipes longer than 1 metre during installation take into account the natural expansion of the materials when the boiler is operating To prevent deformations leave an expansion space of approx 2 4 mm for every metre of pipe fig 19 Expansion 14 cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25C Ferroli Connection with coaxial pipes 4 a has i e fig 20 Examples of connection with coaxial pipes Air imi Fumes For coaxial connection fit the unit with one of the following starting accessories For the wall hole dimensions refer to sec 4 1 Any horizontal sections of the fume exhaust must be kept sloping slightly towards the boiler to prevent pos KA sible condensate from flowing back towards the outside and causing dripping 100 127 60 100 041002X0 041006X0 041001X0 L fig 21 Starting accessory for coaxial ducts Before proceeding with installation check with table 2 that the maximum permissible length is not exceeded bearing in mind that every coaxial bend gives rise t
4. 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli 2 Installation 2 1 General Instructions BOILER INSTALLATION MUST ONLY BE PERFORMED BY QUALIFIED PERSONNEL IN ACCORDANCE WITH ALL THE INSTRUCTIONS GIVEN IN THIS TECHNICAL MANUAL THE PROVISIONS OF CURRENT LAW THE PRE SCRIPTIONS OF NATIONAL STANDARDS AND LOCAL REGULATIONS AND THE RULES OF PROPER WORK MANSHIP 2 2 Place of installation The combustion circuit is sealed with respect to the place of installation therefore the unit can be installed in any room However the place of installation must be sufficiently ventilated to prevent the creation of any dangerous conditions in case of even small gas leaks This safety precaution is required by EEC Directive no 90 396 for all gas units including those with a so called sealed chamber Therefore the place of installation must be free of dust flammable materials or objects or corrosive gases The room must be dry and not subject to freezing The boiler is arranged for wall mounting and comes standard with a hooking bracket The wall fixing must ensure stable and effective support for the generator If the unit is enclosed in a cabinet or mounted alongside a space must be provided for removing the casing and for normal maintenance operations 2 3 Plumbing connections The heating capacity of the unit must be previously established by calculating the building s heat requirement according to current regulations The system must be
5. C min 15 2 DHW flowrate At 30 C l min 12 7 D Protection rating IP X5D Power supply voltage V Hz 230V 50Hz Electrical absorption W 120 Electrical absorption in hot water production W 120 Empty weight kg 37 Type of unit C13 C23 C33 C43 C53 C63 C83 B23 B33 PIN CE 0063BR3161 2 EM 8 cod 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli 4 5 Diagrams Loss of head Head of circulators H m H O 7 6 5 4 A N 3 2 1 0 0 500 1 000 1 500 2 000 Q I h A Boiler losses of head 1 2 3 Circulator speed 2 EN cod 35401371 06 2008 Rev 00 9 Ferroli 4 6 Wiring diagram DII W 188 ECONCEPT TECH 25 C 186 C o 82 l 230V 50Hz 32 16 3 278 DBM04A IE 191 E gt pel Ho kab LU LO MN 5 q tour 136 EO E 5V ul 3 7 de
6. Press the heating buttons details 3 and 4 at the same time for 5fig 1seconds to activate TEST mode The boiler lights at the maximum heating power set as described in the following section The heating symbol detail 14 fig 1 and DHW symbol detail 8 fig 1 flash on the display the heating power will be displayed alongside fig 27 TEST mode heating power 100 To deactivate TEST mode repeat the activation sequence In any case the TEST mode is disabled automatically after 15 minutes Heating power adjustment To adjust the heating power switch the boiler to TEST mode see sec 3 1 Press the heating buttons S de tails 3 and 4 fig 1 to increase or decrease the power min 00 max 100 Press the RESET button within 5 seconds the max power will remain that just set Exit TEST mode see sec 3 1 20 cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25C Ferroli 3 2 Start up di Checks to be made at first lighting and after all maintenance operations that involved disconnection from the systems or an operation on safety devices or parts of the boiler Before lighting the boiler Open any on off valves between the boiler and the systems Check the tightness of the gas system proceeding with caution and using a soap and water solution to detect any leaks in connections Check correct prefilling of the expansion tank ref sec 4 4 Fill the water system and make su
7. meter matches that given in the technical data table on sec 4 4 Check the correct programming of the parameters and carry out any necessary customization compensation curve power temperatures etc Maintenance Periodical check To keep the unit working properly over time it is necessary to have qualified personnel make an annual check that in cludes the following tests The control and safety devices gas valve flow meter thermostats etc must function correctly The fume extraction circuit must be fully efficient The airtight chamber must be sealed The air fume end piece and ducts must be free of obstructions and leaks The condensate evacuation system must be efficient with no leakage or obstructions The burner and exchanger must be clean and free of scale When cleaning do not use chemical products or wire brushes The electrode must be free of scale and properly positioned The gas and water systems must be airtight The water pressure in the cold water system must be about 1 bar otherwise bring it to that value The circulation pump must not be blocked The expansion tank must be filled The gas flow and pressure must correspond to that given in the respective tables The boiler casing panel and aesthetic parts can be cleaned with a soft damp cloth possibly soaked in soapy water Do not use any abrasive detergents and solvents 21 cod 35401371 06 2008 Rev 00
8. mo 114 q d 42 g o i OX RER LOJ 139 fig 33 Wiring diagram Caution Before connecting the room thermostat or the remote timer control remove the jumper on the terminal block 16 Fan 186 Return sensor 32 Heating circulator 188 Ignition electrode 42 Tap water temperature sensor 191 Fume temperature sensor 44 Gas valve 278 Double sensor heating safety 72 Room thermostat A Flow meter ON OFF contact 82 Detection electrode 95 Diverter valve 114 Water pressure switch 136 Flow meter 138 External sensor 139 Remote timer control 30 cod 35401371 06 2008 Rev 00 Ferroli FERROLI S p A Via Ritonda 78 a 37047 San Bonifacio Verona ITALY www ferroli it
9. provided with all the components for correct and regular operation It is ad visable to install on off valves between the boiler and heating system allowing the boiler to be isolated from the system if necessary The safety valve outlet must be connected to a funnel or collection pipe to prevent water spurting onto the floor in case of overpressure in the heating circuit Otherwise if the drain valve is activated and floods the room the boiler manufacturer cannot be held liable Do not use the water system pipes to earth electrical appliances Before installation carefully wash all the pipes of the system to remove residuals or impurities that could affect correct operation of the unit A filter must be installed on the system return piping to prevent impurities or sludge from the system clogging and damaging the heat generators The filter MUST be installed when replacing generators in existing systems The manufacturer declines any liability for damage caused to the generator due to failure to install or inadequate installation of this filter Make the relevant connections according to the diagram in sec 4 1 and the symbols given on the unit System water charcteristics In the presence of water harder than 25 Fr 1 F 10ppm CaCO the use of suitably treated water is advisable in order to avoid possible scaling in the boiler The treatment must not in any case reduce the hardness to values below 15 F Decree 236 88 for uses of
10. the boiler is kept hot therefore en suring immediate availability of hot water on opening the tap without waiting times The device can be deactivated by the user ECO mode by pressing the button detail 7 fig 1 In ECO mode the display activates the ECO symbol detail 12 fig 1 To activate COMFORT mode press the button 4 detail 7 fig 1 again Sliding temperature When the optional external probe is installed the boiler adjustment system works with Sliding Temperature In this mode the temperature of the heating system is adjusted according to the outside weather conditions in order to ensure high comfort and energy saving throughoutthe year As the outside temperature increases the temperature of the heat ing system is decreased according to a fixed compensation curve az With Sliding Temperature adjustment the temperature set with the heating buttons S details 3 and 4 fig 1 becomes the maximum system delivery temperature It is advisable to set a maximum value to allow system adjustment throughout its useful operating range The boiler must be adjusted at the time of installation by qualified personnel Possible adjustments can in any case be made by the user to improve comfort Compensation curve and curve offset Press the button te detail 6 fig 1 for 5 seconds to access the Sliding temperature menu CU appears flashing fig 11 Operate the DHW buttons _ 2 details 1 a
11. water intended for human consumption Water treatment is indispensable in the case of very large systems or with frequent replenishing of water in the system If partial or total emptying of the system be comes necessary in these cases it is advisable to refill it with treated water 11 EN cod 35401371 06 2008 Rev 00 Ferroli ECONCEPT TECH 25 C Antifreeze system antifreeze fluids additives and inhibitors The boiler is equipped with an antifreeze system that turns on the boiler in heating mode when the system delivery water temperature falls under 6 C The device will not come on if the electricity and or gas supply to the unit are cut off If it becomes necessary it is permissible to use antifreeze fluid additives and inhibitors only if the manufacturer of these fluids or additives guarantees they are suitable for this use and cause no damage to the heat exchanger or other com ponents and or materials of the boiler unit and system It is prohibited to use generic antifreeze fluid additives or inhib itors that are not expressly suited for use in heating systems and compatible with the materials of the boiler unit and system 2 4 Gas connection Before making the connection ensure that the unit is arranged for operation with the type of fuel available and carefully clean all the pipes of the gas system to remove any residues that could affect good functioning of the boiler T
12. 3 mm interposing fuses of max 3A between the boiler and the line It is important to respect the polarities LINE brown wire NEUTRAL blue wire EARTH yellow green wire in making connections to the electrical line During installation or when changing the power cable the earth wire must be left 2 cm longer than the others The user must never change the unit s power cable If the cable gets damaged switch off the unit and have it changed solely by professionally qualified personnel If changing the electric power cable use solely HAR H05 VV F 3x0 75 mm2 cable with a maximum outside diameter of 8 mm Room thermostat optional CAUTION The room thermostat must have clean contacts CONNECTING 230 V TO THE TERMINALS OF THE ROOM THERMOSTAT WILL IRREPARABLY DAMAGE THE ELECTRONIC CARD When connecting a remote timer control or a timer switch do not take the power supply for these devices from their cut out contacts Their power supply must be taken with a direct connection from the mains or with bat teries depending on the kind of device 12 cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25 C ferroli External probe optional Connect the probe to its respective terminals The maximum permissible length for the boiler external probe connec tion electrical cable is 50 m A normal 2 wire cable can be used The external probe should preferably be installed on the North North West wall or that facing the largest area of l
13. 7 4 14 Technical data table adios 28 4 56 DANA ii id iaa 29 4 6 Wiring da Mia idos 30 UU cod 35401371 06 2008 Rev 00 Ferroli ECONCEPT TECH 25 C 1 Operating instructions 1 1 Introduction Dear Customer Thank you for choosing ECONCEPT TECH 25 C a FERROLI wall mounted boiler featuring advanced design cutting edge technology high reliability and quality construction Please read this manual carefully since it provides important information on safe installation use and maintenance ECONCEPT TECH 25 C is a high efficiency and low emissions sealed chamber premix condensing heat generator for heating and domestic hot water production running on natural gas or LPG and equipped with a microprocessor con trol system The boiler shell consists of an aluminium laminar exchanger and a premix burner ceramic equipped with electronic ignition and ionisation flame control modulating speed fan and modulating gas valve 1 2 Control panel OIO Sco _ 662 fig 1 Control panel Key 1 DHW temperature setting decrease button 13 Heating operation 2 DHW temperature setting increase button 14 Heating symbol 3 Heating system temperature setting decrease 15 Burner On and actual power flashing during button flame protection function 4 Heating system temperature setting increase button 5 Display 6 Sliding Temperature menu Summer Winte
14. Ferroli ECONCEPTTECH25C SE o LL CE INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE Ferroli A Carefully read the warnings in this instruction book let since they provide important information on safe installation use and maintenance This instruction booklet is an integral part of the product and must be carefully kept by the user for fu ture reference If the unit is sold or transferred to another owner or if it is to be moved always make sure that the booklet accompanies the boiler so that it can be consulted by the new owner and or installer Installation and maintenance must be carried out by professionally qualified personnel according to cur rent regulations and the manufacturer s instructions Incorrect installation or poor maintenance can cause damage or physical injury The manufacturer de clines any responsibility for damage caused by er rors in installation and use or by failure to follow the manufacturer s instructions Before carrying out any cleaning or maintenance op eration disconnect the unit from the electrical power supply using the switch and or the special cut off de vices ECONCEPT TECH 25 C In case the unit breaks down and or functions poorly deactivate it do not make any attempt to repair it or directly intervene Contact professionally qualified personnel Any repair replacement of products must only be carried out by qualified professional person nel using ex
15. Safety Heating 27 EN cod 35401371 06 2008 Rev 00 Ferroli ECONCEPT TECH 25 C 4 4 Technical data table The column on the right gives the abbreviation used on the dataplate wy Data Unit Value Max heating capacity kW 25 2 Q Min heating capacity kW 5 3 Q Max Heat Output in heating 80 60 C kW 24 6 P Min Heat Output in heating 80 60 C kW 5 2 P Max Heat Output in heating 50 30 C kW 26 6 Min Heat Output in heating 50 30 C kW 5 7 Max DHW heating capacity kW 27 Min DHW heating capacity kW 5 3 Max Heat Output in hot water production kW 26 5 Min Heat Output in hot water production kW 5 2 Gas supply pressure G20 mbar 20 Max gas delivery G20 m3 h 2 86 aci Min gas delivery G20 m3 h 0 56 Gas supply pressure G31 mbar 37 Max gas delivery G31 kg h 2 11 Min gas delivery G31 kg h 0 41 Efficiency class directive 92 42 EEC KA Ak Ak NOx emission class 5 NOx Max working pressure in heating bar 3 PMS Min working pressure in heating bar 0 8 Max heating temperature C 95 tmax Heating water content litres 1 5 Heating expansion tank capacity litres 8 4 Heating expansion tank prefilling pressure bar 1 Max working pressure in hot water production bar 9 PMW Min working pressure in hot water production bar 0 25 Hot water content litres 0 3 DHW flowrate At 25
16. acking and on the dataplate Whenever a different gas to that for which the unit is arranged has to be used a conversion kit will be required proceeding as follows ONOARON Remove the casing Open the sealed chamber Release the fixing clip C and remove the gas pipeA from the fan venturi assembly Replace the nozzle B inserted in the gas pipe with that contained in the conversion kit Reassemble the gas pipe A with the clip and check the seal of the connection Apply the plate contained in the conversion kit near the dataplate Refit the sealed chamber and casing Modify the parameter for the type of gas e switch the boiler to standby mode e press the DHW buttons Te detail 1 and 2 fig 1 for 10 seconds the display shows PO1 flashing e press the DHW buttons T 2 details 1 and 2 fig 1 to set the parameter 00 for operation with natural gas or 01 for operation with LPG e press the DHW buttons Ts details 1 and 2 fig 1 for 10 seconds e the boiler will return to the standby mode Using a combustion analyser connected to the boiler fume outlet check that the CO 2 content in the fumes with the boiler operating at max and min output complies with the value given in the technical data table for the corre sponding gas type fig 26 Gas supply conversion 19 cod 35401371 06 2008 Rev 00 Ferroli ECONCEPT TECH 25 C Activating TEST mode
17. ature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler 4 control panel Summer Winter changeover Summer mode has priority over a possible Remote Timer Control heating demand Eco Comfort selection On disabling DHW from the Remote Timer Control menu the boiler selects the Economy mode In this condition the button detail 7 fig 1 on the boiler panel is disabled On enabling DHW from the Remote Timer Control menu the boiler selects the Comfort mode In this condition it is possible select one of the two modes with the button detail 7 fig 1 on the boiler panel Sliding Temperature Both the Remote Timer Control and the boiler card manage Sliding Tempera ture adjustment of the two the boiler card Sliding Temperature has priority Water system pressure adjustment The filling pressure with system cold read on the boiler water gauge must be approx 1 0 bar If the system pressure falls to values below minimum the boiler card will activate fault F37 fig 15 fig 15 Low system pressure fault Operate the filling cock detail 1 fig 16 and bring the system pressure to a value above 1 0 bar fig 16 Filling cock Once the system pressure is restored the boiler will activate the 120 second air venting cycle indicated on the display by FH At the end of the operation always close the filling cock detail 1 fig 16 i EM 0 cod
18. cally reset as soon as the value returns within the boiler s normal working range Table 5 List of faults Fault Fault Possible cause Cure code Check the regular gas flow to the boiler and that the air No gas gos has been eliminated from the pipes Ignition detection electrode fault Hs oie of etica ag that it is correctly A01 The burner fails to light poskonee and Mee orany dE posi Faulty gas valve Check the gas valve and replace it necessary Insufficient gas supply pressure Check the gas supply pressure Trap clogged Check the trap and clean it if necessary TL Flame present signal with Electrode fault Check the ionisation electrode wiring burner off Card fault Check the card Heating sensor damaged Check the correct positioning and operation of the heating sensor A03 Overtemperature protection No water circulation in the sys activated iem Check the circulating pump Air in the system Vent the system Fume exhaust duct safety Fault F07 generated 3 times in See fault F07 A04 activated the last 24 hours A05 Fan protection activated Fault F15 generated far nous See fault F15 consecutive lonisation electrode fault Check the position of the ionisation electrode and replace it if necessary Flame unstable Check the burner A06 No vane aner ignition Gas valve Offset fault Check the Offset adjustment at minimum power stage 6 times in 4 minutes Remove
19. clusively genuine parts Failure to com ply with the above could affect the safety of the unit Periodical maintenance carried out by qualified per sonnel is essential for guaranteeing good operation of the unit This unit must only be used for the purpose for which it was designed Any other use is considered im proper and therefore hazardous After removing the packing check the integrity of the contents Packing materials must not be left within the reach of children as they are potentially hazardous In case of doubt do not use the unit and contact the supplier The images shown in this manual are a simplified representation of the product In this representation there may be slight unimportant differences with the supplied product A This symbol indicates Caution and is placed next to all safety warnings Strictly follow these instructions in order to avoid danger and damage to persons animals and things 3 This symbols calls attention to a note or important notice Declaration of conformity Manufacturer FERROLI S p A Address Via Ritonda 78 a 37047 San Bonifacio VR Italy CE declares that this unit complies with the following EU directives Gas Appliance Directive 90 396 Efficiency Directive 92 42 Low Voltage Directive 73 23 amended by 93 68 Electromagnetic Compatibility Directive 89 336 amended by 93 68 President and Legal Representative Cav del Lavoro Dante Ferroli
20. cod 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli T Operating INSTUCUOAS sienne ii aaea ae bee cest cet essence 4 1 1 Introduction E EEE ANS RE MA ee p p opp Gs ie Ne TTTTT TE TETTE 4 1 2 Control panel eeee cee eee eee eee tea acaaaeaenaeceeeeee sees aaaaaaeaeeaeceeeeeeeeeeeseceecaeeeeeeeeeeeestsnseeaees 4 1 3 T rning OM ANG iii da TTT TETETPEEPTPEPO 6 ZS iN TTT TTT TTT TTT TTT TIT TTT TETTE ETE 7 2 Installation ias 11 2 1 General ANS a aiii 11 2 2 Place of INSTAN ALON siii dia iia s 11 2 3 PIUMBING GOMMECHONS aee a ondes ant te def ram le rar a a tee aas 11 254 Gas connection usa A da dE A a Midas das SDA Baku TO 12 2 5 Electrical COMeCION Simio TETTE TETTE TTT laine use au 12 2 6 FUME AUCIS 2 FTETTTTTRRTTT TTT 14 2 7 Condensate drain Connecti aisen ii anao ld euananddaSeakaugiadasabrunddiana kadadantkakansistantigndilssana akailoj o 18 3 Service and maintenance sra vetar aber abo ana mont cn edenus at del da menac es cena thesatenhdie nnn 19 31 AdJuStments 2322288020 rm enn mume rr mm 1 pen nds nn rn nnn Om pO NTI 19 3 2 Stant Up rero e fn rente TTTTT TTT TTT TE TTT EET 21 3S MAINTENANCE AH EET 21 3 roUbleshboOllNg ssh sans esta nd amd EE italia 23 4 Technical data and Characteristics ss s sssssssssnesunnnuunnnunmnnnnuunnnnmunnnnunnnnnmannnna 25 4 1 Dimensions and Connections idad 25 4 2 General view and main components iii 26 4 3 PIUMPING Cl CU ihe ees Hero dde o e renkon a A 2
21. ghting For the following 120 seconds the display will show FH which identifies the heating system air venting cycle During the first 5 seconds the display will also show the card software release Open the gas cock ahead of the boiler When the message FH disappears the boiler will be ready to operate automatically whenever domestic hot water is drawn or in case of a room thermostat demand Turning the boiler off Press the button detail 7 fig 1 for 5 seconds fig 6 Turning the boiler off When the boiler is turned off the electronic board is still powered Domestic hot water and heating operation are disabled The antifreeze system remains activated To relight the boiler press the button detail 7 fig 1 again for 5 seconds fig 7 The boiler will be immediately ready to operate whenever domestic hot water is drawn or in case of a room thermostat demand cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25C Ferroli The antifreeze system does not work when the power and or gas to the unit are turned off To avoid damage caused by freezing during long idle periods in winter it is advisable to drain all water from the boiler DHW circuit and system or drain just the DHW circuit and add a suitable antifreeze to the heating system complying with that prescribed in sec 2 3 1 4 Adjustments Summer Winter changeover Press the button detail 6 fig 1 for 2 seconds fig 8 The di
22. he gas must be connected to the relative connector see fig 30 in conformity with current standards with rigid metal pipes or with continuous flexible s steel wall tubing placing a gas cock between the system and the boiler Make sure that all the gas connections are tight The capacity of the gas meter must be sufficient for the simultaneous use of all equipment connected to it The diameter of the gas pipe leaving the boiler does not determine the diameter of the pipe between the unit and the meter it must be chosen according to its length and loss of head in conformity with current standards di Do not use the gas pipes to earth electrical appliances 2 5 Electrical connections Connection to the electrical grid The unit s electrical safety is only guaranteed when correctly connected to an efficient earthing system exe cuted according to current safety standards Have the efficiency and suitability of the earthing system checked by professionally qualified personnel The manufacturer is not responsible for any damage caused by failure to earth the system Also make sure that the electrical system is adequate for the maximum power absorbed by the unit as specified on the boiler dataplate The boiler is prewired and provided with a Y cable and plug for connection to the electricity line The connections to the grid must be made with a permanent connection and equipped with a bipolar switch whose contacts have a minimum opening of at least
23. ical system F35 Mains frequency fault Power supply trouble Check the electrical system Pressure too low Fill the system F37 Incorrect system water pressure Water pressure switch not con Check tha sanser nected or damaged ee l AS Check the wiring or replace the sensor RAN F39 External probe fault JH Probe disconnected after acti Reconnect the external probe or disable the sliding vating the sliding temperature temperature A41 Sensor positioning Delivery sensor disconnected Check the correct positioning and operation of the from the pipe heating sensor F42 Heating sensor fault Sensor damaged Replace the sensor 24 cod 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli 4 Technical data and characteristics 4 1 Dimensions and connections 80 120 120 80 700 1 e HT Zara GUM ala Z 00 2 a EI 7654 51 fig 30 Dimensions and connections 1 Heating system delivery 4 Domestic cold water inlet 2 Domestic hot water outlet 5 Heating system return 3 Gas inlet 6 Safety valve drain 2 EN cod 35401371 06 2008 Rev 00 5 Ferroli ECONCEPT TECH 25 C 4 2 General view and main components Sealed chamber Gas inlet Domestic hot water outlet Domestic cold water inlet System delivery S
24. iving room The probe must never be exposed to the early morning sun or insofar as possible direct sunlight protect it if necessary In any case the probe must not be installed near windows doors ventilation openings flues or heat sources that could affect the reading wy X x l l x p x X l fig 17 External probe positioning not recommended Accessing the terminal block Follow the instructions given in fig 18 to access the electrical connection terminal block The layout of the terminals for the various connections is given in the wiring diagram in fig 33 fig 18 Accessing the terminal block 1 EN cod 35401371 06 2008 Rev 00 3 Ferroli ECONCEPT TECH 25 C 2 6 Fume ducts The unit is C type with sealed chamber and forced draught the air inlet and fume exhaust must be connected to one of the exhaust inlet systems indicated below The unit is approved for operation with all the Cxy flue configurations spec ified on the dataplate some setups are given by way of example in this section Some configurations may be expressly limited or not permitted by local regulations standards or laws Before proceeding with installation check and carefully observe the above mentioned prescriptions Also comply with the provisions concerning the positioning of wall and or roof terminals and the minimum distances from windows walls ventilation openings etc
25. nd 2 fig 1 to adjust the required curve from 1 to 10 according to the characteristic fig 13 By setting the curve to 0 sliding temperature adjustment is disabled fig 11 Compensation curve 8 cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25C Ferroli Press the heating buttons f details 3 and 4 fig 1 to access parallel curve offset OF appears flashing fig 12 Operate the DHW buttons _ ZT details 1 and 2 fig 1 to adjust parallel curve offset according to the characteristic fig 14 fig 12 Parallel curve offset Press the button Y detail 6 fig 1 again for 5 seconds to exit the Sliding Temperature menu If the room temperature is lower than the required value it is advisable to set a higher order curve and vice versa Pro ceed by increasing or decreasing in steps of one and check the result in the room 90 85 gt 80 70 60 50 40 30 20 fig 13 Compensation curves OFFSET 20 OFFSET 40 fig 14 Example of parallel compensation curve shift If the Remote Timer Control optional is connected to the boiler the above adjustments are managed accord ing to that given in table 1 EN cod 35401371 06 2008 Rev 00 9 Ferroli ECONCEPT TECH 25 C Table 1 Heating temperature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler control panel DHW temper
26. o the reduction indicated in the table For example a 60 100 duct comprising a 90 bend 1 horizontal metre has a total equivalent length of 2 metres Table 2 Max length coaxial ducts Coaxial 60 100 Coaxial 80 125 Max permissible length 5m 15m Reduction factor 90 bend 1m 0 5 m Reduction factor 45 bend 0 5 m 0 25 m 1 EN cod 35401371 06 2008 Rev 00 5 Ferroli ECONCEPT TECH 25 C Connection with separate pipes Wo Wu W fig 22 Examples of connection with separate pipes Air m Fumes For connection of separate ducts fit the unit with starting accessory 041003X0 fig 23 Starting accessory for separate ducts Before proceeding with installation make sure the maximum permissible length has not been exceeded by means of a simple calculation 1 Establish the layout of the system of split flues including accessories and outlet terminals 2 Consult the table 4 and identify the losses in Meg equivalent metres of every component according to the instal lation position 3 Check that the sum total of losses is less than or equal to the maximum permissible length in table 3 Lh Table 3 Max length separate ducts Separate ducts Max permissible length 75 Meg ENS 6 cod 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli
27. r mode selection Reset button 7 Unit On Off Economy Comfort mode selection button 8 DHW symbol DHW operation 10 Summer mode 11 Multifunction indication flashing during ex changer protection function 12 Eco Economy mode EA cod 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli Indication during operation Heating A heating demand generated by the Room Thermostat or Remote Timer Control is indicated by flashing of the hot air above the radiator details 13 and 14 fig 1 The display detail 11 fig 1 shows the actual heating delivery temperature and during DHW standby time the mes uu sage d2 fig 2 Domestic hot water DHW Ge A DHW demand generated by drawing domestic hot water is indicated by flashing of the hot water under the tap de tails 8 and 9 fig 1 The display detail 11 fig 1 shows the actual DHW outlet temperature and during DHW standby time the message d1 fig 3 Comfort A Comfort demand restoration of temperature inside the boiler is indicated by flashing of the water under the tap de tail 9 fig 1 The display detail 11 fig 1 shows the actual temperature of the water contained in the boiler fig 4 EN cod 35401371 06 2008 Rev 00 5 Ferroli ECONCEPT TECH 25 C 1 3 Turning on and off Boiler lighting Switch on the power to the unit fig 5 Boiler li
28. re all air contained in the boiler and the system has been vented by opening the air vent valve on the boiler and any vent valves on the system Fill the condensate trap and check correct connection of the condensate elimination system Make sure there are no water leaks in the system DHW circuits connections or boiler Check correct connection of the electrical system and efficiency of the earthing system Make sure the gas pressure value for heating is that required Make sure there are no flammable liquids or materials in the immediate vicinity of the boiler Checks during operation 3 3 Turn the uniton as described in sec 1 3 Make sure the fuel circuit and water systems are tight Check the efficiency of the flue and air fume ducts while the boiler is working Check the correct tightness and functionality of the condensate elimination system and trap Make sure the water is circulating properly between the boiler and the systems Make sure the gas valve modulates correctly in the heating and domestic hot water production phases Check proper boiler lighting by doing several tests turning it on and off with the room thermostat or remote control Using a combustion analyser connected to the boiler fume outlet check that the CO content in the fumes with the boiler operating at max and min output corresponds to that given in the technical data table for the corresponding type of gas Make sure the fuel consumption indicated on the
29. splay activates the Summer symbol detail 10 fig 1 the boiler will only deliver domestic hot water The anti freeze system remains activated To deactivate Summer mode press the button detail 6 fig 1 again for 2 seconds Heating temperature adjustment Operate the heating buttons S details 3 and 4 to adjustfig 1the temperature from a min of 20 C to a max of 90 C fig 9 Domestic hot water DHW temperature adjustment Operate the DHW buttons J details 1 and 2 fig 1 to adjust the temperature from a min of 40 C to a max of 55 C fig 10 7 EN cod 35401371 06 2008 Rev 00 Ferroli ECONCEPT TECH 25 C Room temperature adjustment with optional room thermostat Using the room thermostat set the temperature desired in the rooms If the room thermostat is not installed the boiler will keep the heating system at its setpoint temperature Room temperature adjustment with optional remote timer control T si Using the remote timer control set the temperature desired in the rooms The boiler unit will set the system water ac cording to the required room temperature For information on the remote timer control please refer to its user s manual ECO COMFORT selection The unit is equipped with a function that ensures a high domestic hot water delivery speed and maximum comfort for the user When the device is activated COMFORT mode the water contained in
30. the obstruction from the flue fume exhaust air fume ducts obstructed E ducts and air inlet and terminals Trap clogged Check the trap and clean it if necessary Flue partially obstructed or insuf Check the efficiency of the flue fume exhaust ducts ficient and outlet terminal F07 High fume temperature ar Check the correct positioning and operation of the Fume sensor position fume sensor Sensor damaged F10 Delivery sensor 1 fault Wiring shorted Check the wiring or replace the sensor Wiring disconnected Sensor damaged F11 Return sensor fault Wiring shorted Check the wiring or replace the sensor Wiring disconnected Sensor damaged F12 DHW sensor fault Wiring shorted Check the wiring or replace the sensor Wiring disconnected 23 cod 35401371 06 2008 Rev 00 Ferroli ECONCEPT TECH 25 C Fault Fault Possible cause Cure code Sensor damaged F13 Fume sensor fault Wiring shorted Check the wiring or replace the sensor wy Wiring disconnected Sensor damaged F14 Delivery sensor 2 fault Wiring shorted Check the wiring or replace the sensor Wiring disconnected No 230V power supply Check the wiring of the 3 pole connector F15 Fan fault Tachometric signal interrupted Check the wiring of the 5 pole connector Fan damaged Check the fan F34 Supply voltage under 170V Power supply trouble Check the electr
31. y natural draught units e Have no mechanical suction devices in the main ducts Be at a lower pressure all along their length under conditions of stationary operation Have at their base a collection chamber for solid materials or condensation equipped with a metal door with an air tight closure 17 EN cod 35401371 06 2008 Rev 00 ferroli ECONCEPT TECH 25 C 2 7 Condensate drain connection The boiler is equipped with a trap to drain condensate Fit the inspection connection A and the flexible tube B pressing itin about 3 cm and securing it with a clamp Fill the trap with approx 0 5 l of water and connect the flexible tube to the elimination system s e l fig 25 Condensate drain connection 18 cod 35401371 06 2008 Rev 00 EN ECONCEPT TECH 25C Ferroli 3 Service and maintenance All adjustment conversion start up and maintenance operations described below must only be carried out by Qualified Per sonnel meeting the professional technical requirements prescribed by current regulations such as those of the Local After Sales Technical Service FERROLI declines any liability for damage and or injury caused by unqualified and unauthorised people tampering with the unit 3 1 Adjustments Gas supply conversion The unit can operate on Natural Gas or LPG and is factory set for use with one of these two gases as clearly shown on the p
32. ystem return Safety valve Fan Combustion chamber Main burner Fume outlet manifold Heating circulating pump Automatic air vent Cold water inlet filter Flow regulator DHW temperature probe 22 161 19 Gas valve Expansion tank System filling cock Detection electrode Diverter valve Water pressure switch Flowmeter Condensing heat exchanger Return sensor Ignition electrode Fume temperature sensor Trap DHW circuit exchanger Condensate tray System delivery filter Double sensor Safety Heating 26 cod 35401371 06 2008 Rev 00 ECONCEPT TECH 25C Ferroli 4 3 Plumbing circuit 161 56 14 74 1136 137 o gt gt mm o a fig 32 Plumbing circuit 7 Gas inlet 74 System filling cock 8 Domestic hot water outlet 95 Diverter valve 9 Domestic cold water inlet 114 Water pressure switch 10 System delivery 136 Flowmeter 11 System return 154 Condensate outlet pipe 14 Safety valve 161 Condensing heat exchanger 16 Fan 186 Return sensor 32 Heating circulating pump 193 Trap 36 Automatic air vent 194 DHW circuit exchanger 37 Cold water inlet filter 196 Condensate tray 42 DHW temperature probe 241 Automatic bypass 44 Gas valve 250 System delivery filter 56 Expansion tank 278 Double sensor
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