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Содержание Victrix Tera 28 1

Страница 1: ...VICTRIX TERA 28 1 32 1 38 1 IE Instructions and warnings Installer User Maintenance technician 1 040295ENG ...

Страница 2: ...2 2 1 General warnings 32 2 2 Cleaning and maintenance 34 2 3 Control panel 34 2 4 Using the boiler 35 2 5 Fault and anomaly signals 36 2 6 Information Menu 38 2 7 Boiler shutdown 39 2 8 Restore central heating system pressure 39 2 9 Draining the system 39 2 10 Draining the domestic hot water circuit 39 2 11 Antifreeze protection 39 2 12 Cleaning the case 39 2 13 Decommissioning 39 2 14 Gas system...

Страница 3: ...of ownership It must be stored with care and consulted carefully as all of the warnings provide important safety indications for installation use and maintenance stages In compliance with legislation in force the systems must be designed by qualified professionals within the dimensional limits established by the Law Installation and maintenance must be performed in compliance with the regulations ...

Страница 4: ...hazards HOT SURFACES The symbol indicates the appliance s very hot components that can cause burns SHARP SURFACES The symbol indicates the appliance s components or parts that can cause cuts if touched EARTH TERMINAL CONNECTION The symbol identifies the appliance s earth terminal connection point READ AND UNDERSTAND THE INSTRUCTIONS Read and understand the appliance s instructions before performin...

Страница 5: ...lled using the relevant terminal for air intake directly from the room in which the boiler has been installed Type C boiler if installed using concentric pipes or other types of pipes envisioned for the sealed chamber boiler for intake of air and expulsion of flue gas Only professionally qualified companies are authorised to install Immergas gas appliances Installation must be carried out accordin...

Страница 6: ...fically trained staff and original spare parts Do not attempt to modify or repair the appliance alone Anymodificationtotheappliancethatisnotexplicitlyindicated in this section of the booklet is forbidden Installation Standards this boiler can be installed out doors in a partially protected area A partially protected area is one in which the boiler is not exposed to the direct ac tion of the weathe...

Страница 7: ... to search for leaks Leakspraysandliquidsclogthereferencehole P1 Fig 40 of the gas valve damaging it irreparably Duringinstallationandmaintenance donotusespray or liquids in the upper area of the gas valve side referring to the electric connections Filling the condensate drain trap On first lighting of the boiler flue gas may come out from the condensate drain af ter a few minutes operation check ...

Страница 8: ...TANCES Key V Electrical connection G Gas supply AC Domestic hot water outlet ACV Solar valve kit DHW inlet optional AF Domestic hot water inlet SC Condensate drain minimum internal diameter Ø 13 mm M System flow R System return Height mm Width mm Depth mm 748 440 256 CONNECTIONS GAS WATER DOMESTIC CW SYSTEM G AC AF R M 3 4 1 2 1 2 3 4 3 4 ...

Страница 9: ...lene and propylene glycol based antifreeze liquids if the mixtures are prepared perfectly For life and possible disposal follow the manufacturer s in structions of liquid Protect the domestic hot water circuit against freezing by using an accessory that is supplied on request anti freeze kit comprising two electric heating elements the relevant cables and a control thermostat carefully read and fo...

Страница 10: ...on brackets must also be purchased separately as optional kit To install proceed as follows Install the bracket 2 inside the recessed frame fixing it with the screws 3 in the pre drilled holes Fig 4 Hang the boiler 4 to the bracket 2 Fig 5 Block the boiler 4 by mounting the brackets 5 and fixing them with their screws 6 Fig 6 The brackets 5 used to centre the boiler on the frame and hold it in pla...

Страница 11: ...ection Key V Electrical connection G Gas supply AC Domestic hot water outlet AF Domestic hot water inlet SC Condensate drain minimum internal diameter Ø 13 mm M System flow R System return 1 System filling valve 2 System draining valve 3 3 bar safety valve drain fitting signal According to local regulations in force make sure that a gas cock is installed upstream of each connection between the app...

Страница 12: ...he system requirements established by EN 1717 in terms of pollution of drinking water we recommend installing the IMMERGAS anti backflow kit to be used upstream of the cold water inlet connection of the boiler We also recommend using a category 1 2 or 3 heat transfer fluid ex water glycol in the boil er s primary circuit CH circuit as defined in standard EN 1717 To preserve the duration of applian...

Страница 13: ...olecircuitbreakerwithclassIII overvoltage category in compliance with installation regulations To protect from possible dispersions of DC voltage it is necessary to provide a type A differential safety device If the power cable is damaged contact a qualified company e g the Authorised After Sales Technical Assistance Service for its replacement to avoid a hazard The power cable must be laid as sho...

Страница 14: ...ter having removed the voltage from the appliance Any thermostat or On Off environ ment chrono thermostat must be connected to clamps 44 40 and 41 eliminating jumper X40 Fig 39 Make sure that the On Off thermostat contact is dry i e independent of the mains voltage otherwise the P C B would be damaged Any Comando Amico Remoto remote control V2 must be connected to terminals 44 40 and 41 eliminatin...

Страница 15: ...wed pipe length for each type of Terminal Kit This information allows calcula tions to be made to verify the possibility of setting up various flue configurations Note to dimension the flue ducting using commercial compo nents refer to the table of combustion parameters Paragraph 4 2 Positioning the gaskets black for green range flue systems Position the gasket correctly for bends and extensions F...

Страница 16: ...tric pipe Ø 80 125 Concentric pipe 80 125 Ø m 1 2 1 1 Ø 80 125 90 concentric bend 3 0 1 4 Ø 80 125 45 concentric bend 2 1 1 Terminal complete with concentric horizontal intake exhaust Ø 80 125 2 8 1 3 Terminal complete with concentric vertical intake exhaust Ø 80 125 3 6 1 7 90 concentric bend Ø 80 125 with inspection 3 4 1 6 Stub pipe with inspection Ø 80 125 3 4 1 6 ...

Страница 17: ... 3 m 2 5 Intake m 18 7 Exhaust m 4 9 m 7 7 Exhaust m 13 6 Concentric vertical intake exhaust terminal Ø 60 100 Intake and Exhaust 9 1 4 m Intake m 10 3 Exhaust m 2 7 m 4 3 Exhaust m 7 5 Pipe Ø 80 m 1 Intake 0 87 m 0 1 Intake m 1 0 Exhaust m 0 4 m 0 4 m 0 5 Exhaust 1 2 m 0 2 Exhaust m 1 0 Complete terminal intake Ø 80 m 1 Intake 3 m 0 5 Intake m 3 4 Exhaust m 0 9 1 4 m Intake terminal Ø 80 Exhaust ...

Страница 18: ...lied with the kit and tighten by means of the screws provided Install the upper cover fixing it using the 4 screws present in the kit positioning the relevant gaskets ATTENTION the diaphragm in the Victrix Tera 28 model in the kit must necessarily be inserted in the Ø 80 flange ensuring it stops Engage the 90 Ø 80 bend with the male end smooth in the female end with lip seal of the Ø 80 flange uni...

Страница 19: ...N 1 Thermoformed cover N 1 Gasket clamping plate N 1 Gasket N 1 Gasket tightening clip N 1 Intake hole covering plate N 1 Diaphragm for Victrix Tera 28 only The terminal kit includes N 1Gasket N 1Exhaust flange Ø 80 N 1Ø 80 90 bend N 1Exhaust pipe Ø 80 N 1Wall sealing plate ...

Страница 20: ...emale side of the flanges The intake bend must face the rear side of the boiler Fit the exhaust pipe with the male side smooth to the female side of the bend up to the end stop making sure that the internal wall sealing plate has been fitted and connecting the required flue according to personal requirements Max length of exhaust pipe The exhaust pipe both vertical or horizontal can be extended to...

Страница 21: ...tem Ø 80 125 Install the flanged adaptor 2 on the central hole of the boiler positioning gasket 1 with the circular projections downwards in contact with the boiler flange and tighten using the screws contained in the kit Engage the bend 3 with the male side smooth to the end stop on the adapter 1 Fit the Ø 80 125 5 concentric terminal pipe with the male side smooth to the female side of the bend ...

Страница 22: ...hed a special antifreeze kit is available that can be installed as an alternative to the standard kit Extensions for vertical kit Ø 60 100 Fig 23 The kit with this configuration can be extended to a max straight vertical length of 14 4 m including the terminal This configura tion corresponds to a resistance factor of 100 In this case specific extensions must be requested Vertical kit with aluminiu...

Страница 23: ...2 already present in the boiler and tighten using the supplied self threading screws Fit the male side smooth to the bends 5 in the female side of the flanges 3 and 4 Fit the intake terminal 6 with the male side smooth in the female side of the bend 5 up to the end stop ensuring that the internal and external wall sealing plates are fitted Fit the exhaust pipe 9 with the male end smooth to the fem...

Страница 24: ... of kit C9 on the door A of the ducting system Fig 30 Version Ø 125 only mount the flanged adaptor 11 interposing the concentric gasket 10 on the boiler fitting it with the screws 12 Mount the ducting system as described in the relative instruc tions sheet Calculate the distances between the boiler drain and the bend of the ducting system Prepare the boiler flue system making sure that the interna...

Страница 25: ... 1 90 ducted bend Ø 60 and the roof terminal for ducting To determine the C93 flue system in configurations other than that described Fig 31 one must consider that 1 metre of ducted pipeaccordingtotheindicationsdescribedhasaresistancefactor equal to 4 9 The maximum vertical extension using a Ø 80 ducting system is 28 m the maximum extension includes 1 adapter 60 100 to 80 125 1 87 bend Ø 80 125 1 ...

Страница 26: ...length is obtained considering the Ø80completeexhaustterminal 1mofØ80pipeinexhaust two 90 Ø 80 bends at boiler outlet for connecting to the ducting system and two direction changes of the flexible hose inside the chimney technical slot The max possible length of the Ø 80 flexible ducting vertical section is equal to 30 m This length is obtained considering the complete Ø 80 exhaust terminal 1m of ...

Страница 27: ... not only prevent the formation of lime scale but also serves as protection against corrosion Insert a suitable inhibitor passivator for example Sentinel X100 Fernox Protector F1 or Jenaqua 100 if required also insert appropriate antifreeze such as for example Sentinel X500 Fernox Alphi 11 or Jenaqua 500 Check electrical conduction of the water which should be higher than 2000 µs cm in the case of...

Страница 28: ...kets switch the boiler on and ensure correct ignition make sure that the gas flow rate and relevant pressure values comply with those given in the manual Par 4 1 4 4 ensure that the safety device intervenes in the event of gas supply failure and check the relative intervention time check the intervention of the main switch located upstream from the boiler and in the boiler check that the intake an...

Страница 29: ...ump with by pass open dotted area D Power absorbed by the pump with bypass closed dotted area Circulator pump absorbed power W Flow rate l h A B Head available with bypass closed B Head available with bypass open C D Power absorbed by the pump with by pass open dotted area D Power absorbed by the pump with bypass closed dotted area Circulator pump absorbed power W Flow rate l h Head kPa Speed 9 Sp...

Страница 30: ...A B Head available with bypass closed B Head available with bypass open C D Power absorbed by the pump with by pass open dotted area D Power absorbed by the pump with bypass closed dotted area Circulator pump absorbed power W Flow rate l h Head kPa Speed 5 Speed 9 Speed 9 ...

Страница 31: ...ut having to empty the entire system Moreover the version with filter preserves the operating features of the boiler thanks to its inspectionable filter Polyphosphate dispenser kit on request The polyphosphate dispenser reduces the formation of lime scale and preserves the originalheatexchangeanddomestichotwaterproductioncondi tions The boiler is prepared for application of the polyphosphate dispe...

Страница 32: ...hat a qualified technician checks efficiency of the ducting or other devices Nevercleantheapplianceorconnectedparts with easily flammable substances Never leave containers or flammable sub stances in the same environment as the appliance Do not open or tamper with the ap pliance Do not take apart or tamper with the intake and exhaust pipes Only use the user interface devices listed in this section...

Страница 33: ...r intercom devices in the building call an authorised company e g Authorised After Sales Service ATTENTION if you smell burning or see smoke com ing out of the appliance switch it off disconnect power close the main gas cock open the windows and call an authorised company e g AuthorisedAfter SalesService ATTENTION At the end of its service life the appli ance must not be disposed of like nor mal h...

Страница 34: ...e active optional 13 Solar function active 14 Central heating room mode function active 15 Central heating temperature level indicator 16 Boiler in Stand by mode 17 Operation in winter mode 18 Operation in summer mode 19 Temperature indicator boiler info and error codes 20 Not used on this model 21 Blocked boiler it needs to be unblocked by pressing the RESET button 22 D H W temperature level indi...

Страница 35: ...se memorised pro grams Solaroperatingmode This function is activated automat ically id the boiler detects a probe on the DHW inlet optional or if the Solar ignition delay parameter is more than 0 seconds During a withdrawal if the outlet water is hot enough or if there is Solar ignition delay time the boiler does not switch on the D H W withdrawal symbol appears on the display along with the flash...

Страница 36: ...ptimal performance 1 08 Maximum N of resets Number of allowed resets already performed Attention the fault may be reset up to 5 times con secutively after which the function in inhibited for at least one hour One attempt is gained every hour for a maximumof5attempts Byswitchingtheapplianceon and off again the 5 attempts are re acquired 10 Insufficient system pressure Sufficient water pressure insi...

Страница 37: ...iler detects a sudden unexpected increase in the ΔT between the flow probe and the system return probe The power of the burner is limited to prevent damage to the condensation module and once the right ΔT is restored the boiler resumes regular operation Make sure there is water circulating in the boiler that the pump is configured according to system requirements and that the return probe works pr...

Страница 38: ...ptional external probe present If the temperature is below zero the value is displayed flashing d 0 7 Displays the temperature of the inlet DHW with optional DHW inlet probe present d 0 8 Displays the system return water temperature d 0 9 Displays the list of the last eight anomalies to scroll the list press the central heating temperature regulation buttons 6 and 7 d 1 0 Anomaly list reset Once d...

Страница 39: ...ischarge the pressure from the circuit 2 11 ANTIFREEZE PROTECTION The boiler has an antifreeze function that switches the burner on automatically when the temperature drops below 4 C standard protection to minimum temperature of 5 C All information relative to the antifreeze protection is stated in Par 1 4 In order to guarantee the integrity of the appliance and the domestic hot water heating syst...

Страница 40: ...ntregulations Withregardtotheabove onlyuseImmergasoriginalspareparts when replacing parts If additional documentation needs to be consulted for extraordinary maintenance contact the Authorised After Sales Service 3 2 INITIAL CHECK To commission the boiler make sure that the type of gas used corresponds to boiler settings check connection to a 230V 50Hz power mains correct L N polarity and the eart...

Страница 41: ...safety valve is not clogged Check that after discharging system pressure and bringing it to zero read on boiler pressure gauge the expansion vessel pressure is at 1 0 bar Check that the system static pressure with system cold and after refilling the system by means of the filling valve is be tween 1 and 1 2 bar Visually check that the safety and control devices have not been tampered with and or s...

Страница 42: ... 11 Venturi 12 Flow probe 13 Ignition detection electrodes 14 Air intake pipe 15 Flue probe 16 Flue sample point 17 Air sample point 18 Burner 19 Return probe 20 Fan 21 Air vent valve 22 Boiler pump 23 Absolute pressure switch 24 3 way valve motorised 25 Bypass 26 System draining valve 27 3 bar safety valve 28 3 bar safety valve drain fitting signal G Gas supply AC Domestic hot water outlet AF Dom...

Страница 43: ... key BK Black BL Blue BR Brown G Green GY Grey OR Orange P Purple PK Pink R Red W White Y Yellow Y G Yellow Green Comando Amico Remoto remote controlV2 The boiler is prepared for the application of the Comando Amico Remoto remote control V2 CARV2 which must be connected to clamps 44 40 and 41 of the terminal board located in the boiler control panel respecting the polarity and eliminating jumper X...

Страница 44: ...ndensate drain cap that there are no residues of material blocking the flow of condensate Noise due to air in the system Check opening of the special air vent valve cap Part 20 Fig 36 Make sure the system pressure and expansion tank factory set pressure values are within the set limits The factory set pressure values of the expansion vessel must be 1 0 bar the value of system pressure must be betw...

Страница 45: ... OF GAS After making sure that conversion was carried out with a nozzle of suitable diameter for the type of gas used and the settings are made at the correct pressure check that the burner flame is not too high or low and is stable does not detach from burner Maintenance interventions must be carried out by an authorised company e g Authorised After Sales Technical Assistance Service 3 8 CALIBRAT...

Страница 46: ... mode button 49 Onceinthemenu youcan cyclically scroll the four submenus P t A S by pressing the DHW but tons to access the menu press the button 43 Thefirstdigitofthecentral indicator 19 shows the family of the parameter while the second digit shows its number 5 Menu P t A S P0 P5 t0 t9 A0 A6 S0 S2 Value parameter without memorising 1 Memorise 44 Pressing the mode of op eration button displays th...

Страница 47: ...tion Range Default Cus tomised value t0 Central heating set point minimum temperature Defines the minimum flow temperature 20 50 C 25 t1 Central heating set point maximum temperature Defines the maximum flow temperature t0 5 85 C 85 t2 Solar delay timing The boiler is set to switch on immediately after a request for DHW In the case of coupling with a solar storage tank positioned upstream from the...

Страница 48: ... increased by t9 0 15 0 Id Parameter Parameter Description Range Default Cus tomised value A0 Hydraulic model Defines the type of hydraulics in the boiler 0 instant 1 storage tank 0 1 0 A1 Maximum pump speed Defines the maximum operating speed of the circulator If A1 A2 circulator operating at set speed A2 9 9 A2 Minimum pump speed Defines the minimum operating speed of the circulator 1 A1 Victrix...

Страница 49: ...of fan revs Defines the operating speed of the fan at minimum DHW output 20 60 x 50 RPM 28 G20 28 G31 S1 DHW maximum no of fan revs Defines the operating speed of the fan at maximum DHW output S0 140 x 50 RPM 128 G20 121 G31 S2 Fan speed Ignition phase Defines the operating speed of the fan during the ignition phase 40 80 x 50 RPM 56 G20 56 G31 Victrix Tera 38 1 Id Parameter Parameter Description ...

Страница 50: ...the lower set range 20 45 C default 25 C and the higher set range 25 55 C default 45 C appear in sequence The temperature is selected by means of the buttons and confirmed by pressing the button The display now shows the countdown of days alternated with the current flow temperature as well as the normal operating symbols of the boiler In case of failure or lack of supply voltage the function is s...

Страница 51: ... for a full cycle so as to reduce the risk of the three way group becoming blocked due to prolonged inactivity 3 21 RADIATORS ANTIFREEZE FUNCTION If the system return water is below 4 C the boiler starts up until reaching 42 C 3 16 MAINTENANCE FUNCTION MA Using this function you can activate some operating devices of the boiler without starting it thus verifying the functionality The function is a...

Страница 52: ...d Fig 53 1 Loosen the two screws a 2 Press the hooks inwards which block the lower grid b 3 Remove the grid b Front panel Fig 54 4 Remove the cover caps c and loosen screws d 5 Pull the front panel e towards you and release it from its lower seat Front Fig 55 6 Loosen the two screws g 7 Pull the front f slightly towards you 8 Release front f from pins h pulling it towards you while pushing it upwa...

Страница 53: ... INSTALLER USER MAINTENANCE TECHNICIAN 53 Control panel Fig 56 9 Press the hooks on the side of the control panel i 10 Tilt the control panel i towards you Sides Fig 57 11 Loosen screws k of side fastening j 12 Removethesidesbyextractingthemfromtheirrearseat Ref X Ref X ...

Страница 54: ... 54 0 40 METHANE G20 PROPANE G31 HEAT OUTPUT HEAT OUTPUT MODULATION GAS FLOW RATE BURNER MODULATION GAS FLOW RATE BURNER kW kcal h m3 h kg h 28 3 24295 D H W 99 3 06 99 2 25 27 5 23650 97 2 98 97 2 19 26 5 22790 93 2 87 92 2 11 25 5 21930 89 2 76 88 2 03 24 1 20717 CH D H W 85 2 61 82 1 91 23 5 20210 81 2 54 80 1 87 22 5 19350 78 2 44 75 1 79 21 5 18490 74 2 33 71 1 71 20 5 17630 70 2 22 67 1 63 1...

Страница 55: ...t Nom Min Q mg kWh 56 18 89 39 Flue temperature at nominal output C 57 60 Flue temperature at minimum output C 58 60 Victrix Tera 38 1 Gas nozzle diameter mm 6 70 4 90 Flue flow rate at nominal heat output kg h 63 65 Flue flow rate at min heat output kg h 11 12 CO2 at Nom Min Q 9 20 8 50 10 09 9 41 CO with 0 O2 at Nom Min Q ppm 290 10 292 7 NOX with 0 O2 at Nom Min Q mg kWh 70 14 71 19 Flue temper...

Страница 56: ...entral heating circuit max operating pressure bar 3 3 3 Maximum heating temperature C 90 90 90 Adjustable central heating temperature max operating field C 20 85 20 85 20 85 System expansion vessel total volume l 5 8 6 4 7 1 Expansion vessel pre charged pressure bar 1 0 1 0 1 0 Appliance water content l 2 2 2 41 3 8 Head available with 1000 l h flow rate kPa m H2 O 26 4 2 7 30 1 3 1 30 7 3 1 Hot w...

Страница 57: ...umber CHK Check Cod PIN PIN code Type Type of installation ref CEN TR 1749 Qnw min Minimum DHW heat input Qn min Central heating minimum heat input Qnw max DHW maximum heat input Qn max Central heating maximum heat input Pn min Minimum heat output Pn max Maximum heat output PMS Maximum system pressure PMW Maximum domestic hot water pressure D Specific flow rate TM Maximum operating temperature NOx...

Страница 58: ... means 60 C on return and 80 C on flow Low temperature mode for condensation Boilers means 30 C for low temperature boilers 37 C and for other appliances 50 C of return temperature Model s Victrix Tera 32 1 Condensing Boilers YES Low temperature boiler NO Boiler type B1 NO Co generation appliance for central heating NO Fitted with supplementary heating system NO Mixed heating appliance YES Element...

Страница 59: ...w temperature mode P1 10 6 kW At 30 of nominal heat output in a low temperature mode η1 97 7 Auxiliary electricity consumption Other items At full load elmax 0 042 kW Heat loss in standby Pstby 0 055 kW At partial load elmin 0 007 kW Ignition burner energy consumption Pign 0 000 kW In standby mode PSB 0 002 kW Emissions of nitrogen oxides NOX 34 mg kWh For combination central heating appliances St...

Страница 60: ... for the domestic hot water function AFC 17 GJ Room central heating seasonal efficiency ηs 93 Water heating energy efficiency ηwh 87 Parameter Value Annual energy consumption for the central heating mode QHE 51 GJ Annual electricity consumption for the domestic hot water function AEC 29 kWh Annual fuel consumption for the domestic hot water function AFC 17 GJ Room central heating seasonal efficien...

Страница 61: ...19 811 2013 61 Parameter Value Annual energy consumption for the central heating mode QHE 99 GJ Annual electricity consumption for the domestic hot water function AEC 27 kWh Annual fuel consumption for the domestic hot water function AFC 18 GJ Room central heating seasonal efficiency ηs 93 Water heating energy efficiency ηwh 85 ...

Страница 62: ...1 Temperature control From temperature control board Supplementary boiler From boiler board Supplementary heat pump From the heat pump board Solar contribution and supplementary heat pump Select the lowest value The energy efficiency of the set of products indicated in this sheet may not reflect the actual energy efficiency after installation since such efficiency is affected by additional factors...

Страница 63: ...rgy efficiency class of the set Solar contribution From the board of the solar device Class I 1 Class II 2 Class III 1 5 Class IV 2 Class V 3 Class VI 4 Class VII 3 5 Class VIII 5 2 3 Seasonal central heating energy efficiency of the room ______ x 0 1 _____ x _______ 0 5 x O 0 5 x 4 5 6 7 4 5 Dimensions of the manifold in m2 Volume of the tank in m3 Efficiency of the manifold in Classification of ...

Страница 64: ... x I 10 x II III I Auxiliary electricity 3 G F E D C B A A A A 27 27 27 28 27 27 27 28 30 30 30 32 33 34 35 36 36 37 38 40 39 50 55 60 65 75 80 85 100 115 123 131 130 150 160 170 163 188 200 213 M L XL XXL 3 2 3 2 The energy efficiency of the set of products indicated in this sheet may not reflect the actual energy efficiency after installation since such efficiency is affected by additional facto...

Страница 65: ...36 36 37 38 40 39 50 55 60 65 75 80 85 100 115 123 131 130 150 160 170 163 188 200 213 M L XL XXL 3 2 3 2 The energy efficiency of the set of products indicated in this sheet may not reflect the actual energy efficiency after installation since such efficiency is affected by additional factors such as the heat loss in the distribution system and the size of the products compared to the size and fe...

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Страница 68: ...ERTIFIED COMPANY UNI EN ISO 9001 2015 Design manufacture and post sale assistance of gas boilers gas water heaters and related accessories This instruction booklet is made of ecological paper This instruction booklet is made of ecological paper Cod 1 040295ENG rev ST 002849 006 06 20 Inglese per IRLANDA IE ...

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