Immergas VICTRIX TERA V2 24 PLUS EU Instructions And Recommendations

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VICTRIX TERA
Instructions and recommendations
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Installer
V2 24-35 PLUS EU
User
Maintenance technician

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Summary of Contents for Immergas VICTRIX TERA V2 24 PLUS EU

  • Page 1 VICTRIX TERA Instructions and recommendations Installer V2 24-35 PLUS EU User Maintenance technician...
  • Page 2: Table Of Contents

    1.10 Remote controls and room chrono-thermostats (Optional) ........................21 1.11 External temperature probe (Optional) ..............................22 1.12 Immergas flue systems ....................................23 1.13 Tables of resistance factors and equivalent lengths of “Green Range” flue system components ............25 1.14 Outdoor installation in partially protected area ............................27 1.15 Internal installation using a recessed frame with direct air intake ......................29...
  • Page 3 Initial check ........................................63 Yearly appliance check and maintenance ..............................64 Hydraulic diagram .......................................66 Wiring diagram ......................................67 Troubleshooting ......................................68 Converting the appliance to other types of gas ............................69 Fan speed calibration ....................................70 regulation ......................................71 3.10 Checks following conversion to another type of gas..........................71 3.11 P.C.B.
  • Page 4: Dear Customer

    Dear Customer Congratulations for having chosen a top-quality Immergas product, able to assure well-being and safety for a long period of time. As an Im- mergas customer you can also count on a Qualified Authorised After-Sales Technical Assistance Centre, prepared and updated to guarantee constant efficiency of your appliance.
  • Page 5: General Recommendations

    Law. • Improper installation or assembly of the Immergas device and/or components, accessories, kits and devices can cause unex- pected problems for people, animals and objects. Read the instructions provided with the product carefully to ensure proper installation.
  • Page 6: Safety Symbols Used

    SAFETY SYMBOLS USED GENERIC HAZARD Strictly follow all of the indications next to the pictogram. Failure to follow the indications can generate hazard situations resulting in possible harm to the health of the operator and user in general, and/or property damage. ELECTRICAL HAZARD Strictly follow all of the indications next to the pictogram.
  • Page 7: Unit Installation

    The place of installation of the appliance and relative Immergas accessories must have suitable features (technical and structur- al), such as to allow for (always in safe, efficient and comfortable conditions): - installation (according to the provisions of technical legislation and technical regulations);...
  • Page 8 It is forbidden to install appliances removed from other systems. The manufacturer declines all liability in the event of damage caused by appliances removed from other systems or for any non-conformities with such equipment. Check the environmental operating conditions of all parts relevant to installation, referring to the values shown in the techni- cal data table in this booklet.
  • Page 9 Installation standards This type of installation is possible when permitted by the laws in force in the appliance's country of destination. This appliance can be installed outdoors in a partially protected area. By partially protected area, we mean one in which the unit is not directly exposed to the elements (rain, snow, hail, etc.). Installation of gas appliances, flue exhaust pipes and combustion air intake pipes is forbidden in places with a fire risk (for example: garages, closed parking stalls), and in potentially dan- gerous places.
  • Page 10 The storage tank unit, if present, must also be installed in an environment in which the temperature cannot fall below 0°C. “Anti-Legionella” heat treatment of the Immergas storage tank (only if paired with a storage tank unit and function enabled when the system is provided with temperature control).
  • Page 11 Filling the condensate drain trap When the appliance is switched on for the first time, combustion products come out of the con- densate drain. After a few minutes of operation, check that combustion flue gases are no longer coming out of the condensate drain; this means that the drain trap has filled to a correct con- densate height that the flue gases cannot pass through.
  • Page 12: Main Dimensions

    MAIN DIMENSIONS Key (Fig. 2): - Condensate drain (minimum inter- nal diameter Ø 13 mm) - Electrical connection - Gas supply - System filling - Storage tank unit return MU - Storage tank unit flow - System return - System flow Height (mm) Width (mm) Depth (mm)
  • Page 13: Minimum Installation Distances

    - The materials used for the central heating circuit of Immergas appliances resist ethylene and propylene glycol based antifreeze liquids (if the mixtures are prepared perfectly).
  • Page 14 Minimum temperature -15°C In the previously listed conditions ad with the addition of the antifreeze kit, the appliance is protected against freezing up to a temperature of -15°C. Protect the domestic hot water circuit (when paired with a storage tank unit) against freezing by using an accessory that is supplied on request (antifreeze kit) comprising an electric resistance, the relevant wiring and a control thermostat (carefully read and follow the in- stallation instructions contained in the accessory kit pack).
  • Page 15: Installation Inside The Recessed Frame (Optional)

    INSTALLATION INSIDE THE RECESSED FRAME (OPTIONAL) The appliance is designed for installation inside the Immergas recessed frame (supplied as optional). The necessary parts for this type of installation (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.
  • Page 16: Appliance Connection Unit

    APPLIANCE CONNECTION UNIT The connection unit consisting of all the necessary parts to perform the hydraulic and gas system connections of the appliance comes as optional kit. Perform the connections respecting the layout based on the type of installation to be made (Fig. 7): Key (Fig.
  • Page 17: Gas Connection

    This cock, if supplied by the appliance’s manufacturer, can be directly connected to the appliance (i.e. downstream from the pipes connecting the system to the appliance), according to the manufacturer’s instructions. The Immergas connection unit, supplied as an optional kit, also includes the gas cock, whose installation instructions are provided in the kit.
  • Page 18: Hydraulic Connection

    In order to meet the 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 appliance. We also recommend using cate- gory 2 heat transfer fluid (e.g.: water+ glycol) in the appliance's primary circuit (C.H.
  • Page 19: Electrical Connection

    ELECTRICAL CONNECTION The appliance has an IPX5D protection degree; electrical safety of the appliance is achieved only when it is connected properly to an effi- cient earthing system, as specified by current safety standards. The manufacturer declines any responsibility for damage or physical injury caused by failure to connect the appliance to an ef- ficient earthing system or failure to comply with the IEC reference standards.
  • Page 20 Also ensure that the electrical installation corresponds to maximum absorbed power specifications as shown on the appliance data nameplate. Boilers are supplied complete with a special “X” type power cable without plug. The power supply cable must be connected to a 230V ±10% / 50Hz mains supply respecting L-N polarity and earth connection;...
  • Page 21: Remote Controls And Room Chrono-Thermostats (Optional)

    1.10 REMOTE CONTROLS AND ROOM CHRONO-THERMOSTATS (OPTIONAL) The appliance is set up for room chrono-thermostats or remote controls, available as optional kits. All Immergas chrono-thermostats are connected with 2 wires only. Carefully read the user and assembly instructions contained in the accessory kit.
  • Page 22: External Temperature Probe (Optional)

    The external probe always operates when connected, regardless of the presence or type of room chrono-thermostat used and can work in combination with Immergas chrono-thermostats. The correlation between system flow temperature and external temperature is determined by the position of the central heating selector...
  • Page 23: Immergas Flue Systems

    Immergas supplies various solutions separately from the appliances regarding the installation of air intake terminals and flue extraction, which are fundamental for appliance operation. The appliance must be installed with an original Immergas “Green Range” inspectionable air intake system and flue gas extrac- tion system made of plastic, with the exception of configuration C , as required by the regulations in force and by the product’s...
  • Page 24 Positioning the gaskets (black) for “green range” flue systems. Position the gasket correctly (for bends and extensions) (Fig. 11): - gasket (A) with notches, to use for bends; - gasket (B) without notches, to use for extensions. If necessary, to ease the push-fitting, spread the elements with commonly-used talc. Extension pipes and concentric elbows push-fittings.
  • Page 25: Tables Of Resistance Factors And Equivalent Lengths Of "Green Range" Flue System Components

    1.13 TABLES OF RESISTANCE FACTORS AND EQUIVALENT LENGTHS OF “GREEN RANGE” FLUE SYSTEM COMPONENTS Equivalent length in m TYPE OF DUCT Resistance Factor (R) of concentric pipe Ø 80/125 Concentric pipe 80/125 Ø m 1 90° concentric bend 80/125 Ø Concentric bend 45°...
  • Page 26 Equivalent Equivalent Resistance Equivalent Equivalent length in m length in m TYPE OF DUCT factor length in m length in m of concentric pipe of concentric pipe of pipe Ø 80 of pipe Ø 60 Ø 60/100 Ø 80/125 Intake m 6.4 Intake m 7.3 Concentric pipe Exhaust m 1.9...
  • Page 27: Outdoor Installation In Partially Protected Area

    - the flue gas exhaust must be connected to its own single chimney (B ) or ducted directly outside via a vertical terminal for direct ex- haust (B ) or via an Immergas ducting system (B The technical regulations in force must be respected. Cover kit assembly (Fig. 13).
  • Page 28 The cover kit includes (Fig. 13): N°1 Thermoformed cover N°1 Gasket clamping plate N°1 Gasket N°1 Gasket tightening clip The terminal kit includes (Fig. 13): N°1 Gasket N°1 Exhaust flange Ø 80 N°1 Ø 80 90° bend N°1 Exhaust pipe Ø 80 N°1 Wall sealing plate...
  • Page 29: Internal Installation Using A Recessed Frame With Direct Air Intake

    1.15 INTERNAL INSTALLATION USING A RECESSED FRAME WITH DIRECT AIR INTAKE Configuration type B, open chamber and fan assisted In this configuration the appliance is classified as type B Using a kit separator, one can achieve direct air intake (Fig.. 14) and flue exhaust in a single chimney or directly outside. With this configuration: - air intake takes place directly from the environment in which the appliance is installed (the recessed frame is ventilated), and only functions in permanently ventilated rooms;...
  • Page 30: Concentric Horizontal Kit Installation

    In this case the special extensions must be requested. Immergas also provides a Ø 60/100 simplified terminal, which in combination with its extension kits allows you to reach a maximum extension of 11.9 metres.
  • Page 31 Mounting the horizontal intake-exhaust kit Ø 80/125 (Fig. 18) To install the kit Ø 80/125 one must use the flanged adapter kit in order to install the flue system Ø 80/125. 1. Install the flanged adaptor (2) on the central hole of the appliance, positioning gasket (1) with the circular projections downwards in contact with the appliance flange, and tighten using the screws contained in the kit.
  • Page 32: Concentric Vertical Kit Installation

    1.17 CONCENTRIC VERTICAL KIT INSTALLATION Type C configuration, sealed chamber and fan assisted Concentric vertical intake and exhaust kit. This vertical terminal is connected directly to the outside of the building for air intake and flue gas exhaust. The vertical kit with aluminium tile enables installation on terraces and roofs with a maximum slope of 45% (approx. 25°) and the height between the terminal cap and half-shell (374 mm for Ø...
  • Page 33 Extensions for Ø 60/100 vertical kit (Fig. 21) The kit with this configuration can be extended up to a max. verti- cal straight length of 14.4 m including the terminal. This configu- ration corresponds to a resistance factor of 100. In this case specif- ic extensions must be requested.
  • Page 34 Extensions for Ø 80/125 vertical kit (Fig. 23) The kit with this configuration can be extended to a max. straight vertical length of 32 m, including the terminal. If additional com- ponents are assembled, the length equivalent to the maximum al- lowed must be subtracted.
  • Page 35: Separator Kit Installation

    1.18 SEPARATOR KIT INSTALLATION Type C configuration, sealed chamber and fan assisted, separator kit Ø 80/80 This kit allows air to come in from outside the building and the exhaust to exit from the chimney, flue or intubated duct through divided flue exhaust and air intake pipes.
  • Page 36 Installation clearances (Fig. 25) The minimum installation clearance measurements of the Ø 80/80 separator terminal kit have been stated in some limit condi- tions. Extensions for separator kit Ø 80/80 The maximum vertical straight length (without bends) that can be used for Ø 80 intake and exhaust pipes is 41 metres, regardless from whether they are used for intake or exhaust.
  • Page 37: C9 Adaptor Kit Installation

    1.19 C9 ADAPTOR KIT INSTALLATION This kit allows an Immergas appliance to be installed in “C ” configuration, with combustion air intake directly from the shaft where the flue gas exhaust is, obtained by means of a ducting system. System composition...
  • Page 38 ADAPTOR SHAFT SHAFT Ducting (A) mm (B) mm (C) mm Ø 60 Rigid Ø 50 Flexible Ø 80 Rigid Ø 80 Flexible The adapter kit includes (Fig. 28): N°1 Door adaptor Ø 100 or Ø 125 (1) N°1 Door gasket made of neoprene (2) N°4 Screws 4.2 x 9 AF (3) N°1 Hex headed screw M6 x 20 (4) N°1 Flat nylon washer M6 (5)
  • Page 39 Technical data The dimensions of the shafts must ensure a minimum gap between the outer wall of the smoke duct and the inner wall of the shaft: 30 mm for circular section shafts and 20 mm in the event of a square section shaft (Fig. 27). Maximum 2 changes of direction are allowed on the vertical section of the flue system with a maximum clearance angle of 30°...
  • Page 40: Ducting Of Flues Or Technical Slots

    Ø 80 exhaust terminal, 1 m of Ø 80 pipe in exhaust, two 90° Ø 80 bends at appliance outlet. • The maximum length of the Ø50 flexible ducted section is 20 m straight for Victrix Tera V2 24 Plus EU and 12 m straight for Victrix Tera V2 35 Plus EU.
  • Page 41: Configuration Type B, Open Chamber And Fan Assisted For Indoors

    1.21 CONFIGURATION TYPE B, OPEN CHAMBER AND FAN ASSISTED FOR INDOORS The appliance can be installed inside buildings in B or B mode; in this case, all technical rules and national and local regulations in force, must be complied with. For installation, the cover kit must be used, referred to in (Par.
  • Page 42: Flues, Chimneys And Chimney Caps

    1.23 FLUES, CHIMNEYS AND CHIMNEY CAPS. The flues, chimneys and chimney caps for the evacuation of combustion products must be in compliance with applicable standards. Chimneys and roof-installed exhaust terminals must comply with the outlet height and with the distance from technical volumes set forth by the technical standards in force.
  • Page 43: Water Treatment Plant Filling

    1.24 WATER TREATMENT PLANT FILLING As already mentioned in the previous paragraphs, a treatment of the thermal and domestic system water (when paired with a storage tank unit) is required, in compliance with the local standards in force. The parameters that influence the duration and proper operation of the heat exchanger are the water's PH, total hardness, conductivity, and oxygen, together with the system's processing residues (any welding residues), any oil present and corrosion products that can, in turn, cause damage to the heat exchanger.
  • Page 44: System Filling

    1.25 SYSTEM FILLING Once the appliance is connected, proceed with system filling via the filling cock (Part. 25, Fig. 36). Filling is performed at low speed to ensure release of air bubbles in the water via the appliance and central heating system vents. Check if the cap is loose.
  • Page 45: Gas System Start-Up

    1.27 GAS SYSTEM START-UP. This divides the systems and, therefore, the commissioning operations, into three categories: new systems, modified systems, reactivated systems. In particular, for new gas systems: - open windows and doors; - avoid presence of sparks or naked flames; - bleed all air from pipelines;...
  • Page 46: Circulation Pump

    1.29 CIRCULATION PUMP The appliances are supplied with a variable speed circulator pump. In the central heating mode, the following operating modes are available and can be selected from the “P.C.B. programming” menu. The ∆T(A3) can be controlled compatibly with the characteristics of the central heating system and of the appliance. - Proportional head (A3 = 0): the circulator speed varies according to the power emitted by the burner, the greater the power the great- er the speed.
  • Page 47 Key (Fig. 33): - Alarm signal (Red) - Functioning status signal (Steady green/Flashing green) - Led (Not used on this model) Pump release. If after a long period of inactivity, the circulator is blocked, adjust the screw in the centre of the head in order to manually release the mo- tor shaft.
  • Page 48 Total head available to the system. Victrix Tera V2 24 Plus EU 1000 1100 1200 1300 1400 1500 1600 1700 1800 Key (Fig. 34) A+B = Head available with bypass closed = Head available with bypass open = Flow rate (l/h)
  • Page 49: Kits Available On Request

    The above-mentioned kits are supplied complete with instructions for assembly and use. Check the complete list of kits available and which can be combined with the product, consult the Immergas website, the Immergas Price List or the technical-commercial documen- tation (catalogues and data sheets).
  • Page 50: Main Components

    1.31 MAIN COMPONENTS Key (Fig. 36): - Condensation module - Venturi - System expansion vessel - Pressure signal vent fitting - Burner - Return probe - Ignition/detection electrode - System pressure switch - Air intake pipe - Air vent valve - Flow probe - Boiler circulating pump - Fan...
  • Page 51: Instructions For Use And Maintenance

    INSTRUCTIONS FOR USE AND MAINTENANCE GENERAL RECOMMENDATIONS Never expose the wall-mounted appliance to direct vapours from a hob. The device can be used by children at least 8 years old as well as by persons with reduced physical, sensory or mental capabilities, or lack of experience or required knowledge, provided that they are under surveillance, or after they have been instructed relat- ing to the safe use and have understood the potential dangers.
  • Page 52 The use of components involving use of electrical power requires some fundamental rules to be observed such as: – do not touch the appliance with wet or moist parts of the body; do not touch when barefoot; – never pull electrical cables or leave the appliance exposed to atmospheric agents (rain, sun- light, etc.);...
  • Page 53: Cleaning And Maintenance

    2.2 CLEANING AND MAINTENANCE To preserve the appliance's integrity and keep the safety features, performance and reliability, which distinguish it, unchanged over time, you must execute maintenance operations on a yearly basis in compliance with what is stated in the relative point at “annual check and maintenance of the appliance”, in compliance with national, regional, or local standards in force.
  • Page 54: Using The Appliance

    USING THE APPLIANCE Before ignition make sure the heating system is filled with water and that the manometer (8) indicates a pressure of 1 - 1.2 bar. – Open the gas cock upstream from the appliance. – Press the button “ ”...
  • Page 55 Operation with optional external probe (optional). In the case of a system with an external probe, the boiler flow temperature for central heating is managed by the external probe depending on the external temperature measured (Par. 1.11). The flow temperature can be modified by selecting the functioning curve via the but- tons (or on the CAR control panel, if connected to the boiler) selecting a value from “0 to 9”.
  • Page 56: Fault And Anomaly Signals

    2.5 FAULT AND ANOMALY SIGNALS The boiler signals any anomalies using a code shown on the boiler display (Fig. 37) according to the following table: Error Anomaly signalled Cause Boiler status / Solution Code If room central heating or domestic hot water production is requested, (when the boiler is paired with a storage tank No ignition block unit) the boiler does not switch on within the preset time.
  • Page 57 Error Anomaly signalled Cause Boiler status / Solution Code This occurs in the event of a leak on the detection circuit or Parasite flame block Press the Reset button (1). anomaly in the flame control unit. Return probe The board detects an anomaly on the return NTC probe. The boiler does not start (1).
  • Page 58 Error Anomaly signalled Cause Boiler status / Solution Code Try to unblock the pump as described Anomaly pump The pump is stopped due to one of the following causes: in the relative section. If normal blocked Impeller blocked, electrical fault. conditions are restored the boiler restarts without having to be reset (1).
  • Page 59: Information Menu

    INFORMATION MENU By pressing the button “ ”, the “Information menu” is activated for at least 1 second, displaying some boiler operating parameters. Press buttons to scroll through the various parameters. With the menu active on the indicator (Fig. 37) the parameter via the letter “d” plus the number of the parameter that is being displayed will alternately show.
  • Page 60: Appliance Switch-Off

    APPLIANCE SWITCH-OFF Switch the appliance off by putting it in “off” mode, disconnect the main switch outside of the appliance and close the gas cock upstream of the appliance. Do not leave the device switched on unnecessarily when it is not in use for long periods. 2.8 RESTORE CENTRAL HEATING SYSTEM PRESSURE 1.
  • Page 61: Antifreeze Protection

    In order to guarantee the integrity of the appliance and the domestic hot water heating system in areas where the temperature drops be- low zero, we recommend protecting the central heating system using anti-freeze liquid and installing the Immergas Antifreeze Kit in the appliance.
  • Page 62: Instructions For Maintenance And Initial Check

    These will also compromise the product’s compliance, and the said product may no longer be valid and fail to meet the current regulations. in regard to the above, only use original Immergas spare parts when replacing components. If additional documentation needs to be consulted for extraordinary maintenance, contact the Authorised After-Sales Service.
  • Page 63: Initial Check

    INITIAL CHECK Commissioning the appliance requires you to: - check the existence of the declaration of system conformity; - 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 earthing connection; - make sure the central heating system is filled with water and that the boiler manometer indicates a pressure of 1÷1.2 bar;...
  • Page 64: Yearly Appliance Check And Maintenance

    YEARLY APPLIANCE CHECK AND MAINTENANCE The following checks and maintenance should be performed once a year to ensure operation, safety and efficiency of the appli- ance over time. - Clean the flue side of the heat exchanger. - Clean the main burner. - Check the correct positioning, integrity and cleanliness of the detection and ignition electrode;...
  • Page 65 Victrix Tera V2 24 Plus EU Gas type to nominal Q. to ignition Q. to minimum Q. 9,2 (9,1 ÷ 9,5) 9,1 (9,0 ÷ 9,4) 8,5 (8,3 ÷ 8,7) 10,2 (10,0 ÷ 10,4) 10,2 (10,0 ÷ 10,4) 9,7 (9,5 ÷ 9,9) Gas type at Nominal Q.
  • Page 66: Hydraulic Diagram

    HYDRAULIC DIAGRAM Key (Fig. 38): - Air vent valve - Pump - Gas valve - Absolute pressure switch - Gas nozzle - 3-way valve (motorised) - Condensate drain trap - By-pass - Filling cock / tap - System draining cock - System expansion vessel - 3 bar safety valve - Positive (+) pressure point...
  • Page 67: Wiring Diagram

    Key (Fig. 39): - Flow probe - Boiler probe (optional) - External probe (optional) - Return probe - Flue probe - Comando Amico Remoto mote control (optional) - Ignition and detection elec- trode - Boiler circulating pump - Fan - Three-way stepper motor - Stor.tank function resistance function - System pressure switch...
  • Page 68: Troubleshooting

    TROUBLESHOOTING Maintenance operations must be carried out by an authorised company (e.g. Authorised After-Sales Technical Assistance Cen- tre). Trouble Possible causes Solutions Caused by leakage from gas circuit pipe- Smell of gas Check sealing efficiency of gas intake circuit. lines. Check the presence of pressure in the network and that the gas adduction cock is open.
  • Page 69: Converting The Appliance To Other Types Of Gas

    CONVERTING THE APPLIANCE TO OTHER TYPES OF GAS The gas conversion operation must be carried out by an authorised company (e.g. Authorised Technical Assistance Service). If the appliance needs to be converted to a different gas type to that specified on the data plate, request the relative conversion kit for quick and easy conversion.
  • Page 70: Fan Speed Calibration

    - When replacing the P.C.B. or adapting to another type of gas, set the heating output (parameter "P2") as shown in the table in the para- graph "3.11 P.C.B. programming". Victrix Tera V2 24 Plus EU ∆P<153 Pa ∆P≥153 Pa ∆P≥215 Pa...
  • Page 71: Co Regulation

    REGULATION The verification operations of the CO must be carried out with the casing mounted, while the gas valve calibration operations must be carried out with the casing open and removing the voltage from the appliance. The calibrations described below must be carried out in the correct sequence and more precisely, first the calibration of the CO at maximum output and then the calibration of the CO at minimum output.
  • Page 72: Programming

    3.11 P.C.B. PROGRAMMING The device is prepared for possible programming of several operation parameters. By modifying these parameters as described below, the device can be adapted according to specific needs. To access the programming phase, press and hold the buttons “ ”...
  • Page 73 Pressing the mode of operation button “ ” displays the value of the se- lected parameter and by pressing the buttons to adjust the central heating temperature “ ” you can adjust its value. Press the mode of operation button “ ”...
  • Page 74 Customised Parameter Description Range Default Parameter value Defines the maximum heat output percentage of the boiler Max DHW during the D.H.W. mode compared to the maximum heat 0 - 100 % 100 % output output available (when paired with a storage tank unit) Defines the minimum output percentage of the boiler in cen- Min CH output 0 - P2...
  • Page 75 Customised Parameter Description Range Default Parameter value Central heating set point Defines the minimum flow temperature. 20 ÷ 50 °C minimum temperature Central heating set point Defines the maximum flow temperature. (t0+5) ÷ 85 °C maximum temperature Not available for this model In winter mode the boiler, at the end of a domestic hot water request (when paired to a storage tank unit), is ready to switch to central heating mode if there is an active request.
  • Page 76 Customised Parameter Description Range Default Parameter value Hydraulic Defines the type of hydraulics in the boiler (0 = instant; 1 = 0 ÷ 1 model storage tank). Maximum Defines the maximum operating speed of the circulator (If A2 - 9 pump speed A1 = A2 circulator operating at set speed).
  • Page 77 Victrix Tera V2 24 Plus EU Customised Parameter Description Range Default Parameter value DHW mini- 27 (G20) Defines the operating speed of the fan at minimum DHW 20 - 60 mum no. of fan output (x 50 = RPM) 27 (G31)
  • Page 78: Password-Protected Special Functions

    3.12 PASSWORD-PROTECTED SPECIAL FUNCTIONS The appliance is equipped with some special functions, access to which is granted if this is in stand-by ( If the appliance is connected to the CAR , the “stand-by” function is only obtained via the remote control panel. Press and hold the “...
  • Page 79: Screed Heater Function

    3.13 SCREED HEATER FUNCTION The appliance is equipped with a function to perform the thermal shock on new radiant panel systems, as required by the applicable standard. Contact the manufacturer of the radiant panels for the thermal shock characteristics and its correct execution. To be able to activate the function there must be no remote control connected, while in case of system divided into zones it must be properly connected, both hydraulically and electrically.
  • Page 80: Automatic Vent Function (Dl)

    3.14 AUTOMATIC VENT FUNCTION (DL) In the case of new central heating systems and in particular mode for floor systems, it is very important that deaeration is performed cor- rectly. The function consists of the cyclic activation of the pump (100 s ON, 20 s OFF) and the 3-way valve (120 s D.H.W., 120 s C.H.). The function is activated by accessing the special “dl”...
  • Page 81: Chimney Sweep" Function

    3.17 “CHIMNEY SWEEP” FUNCTION When activated, this function forces the boiler to variable output for 15 minutes. In this state all adjustments are excluded and only the safety thermostat and the limit thermostat remain active. To activate the chimney sweep function, press the “ ”...
  • Page 82: Casing Removal

    3.21 CASING REMOVAL To facilitate appliance maintenance the casing can be completely removed as follows: Lower grid (Fig. 53) - Loosen the two side screws (a). - Press the hooks inwards, which block the lower grid (b). - Remove the grid (b). Front panel (Fig.
  • Page 83 Insulating panel (Fig. 55) - Loosen the two screws at the bottom of the sides of the panel (g). - Pull the panel (f) slightly towards you. - Release the panel (f) from pins (h) pulling it towards you while pushing it upwards.
  • Page 84 Control panel (Fig. 56) - Press the hooks on the side of the control panel (i). - Tilt the control panel (i) towards you. Sides (Fig. 57) - Loosen screws (k) of side fastening (j). - Remove the sides by extracting them from their rear seat (Ref. X). Rif.
  • Page 85: Replacing The Manifold Insulating Panel

    The operations described below must be performed after having removed the voltage from the appliance. Victrix Tera V2 24 Plus EU 1. To access the inside of the appliance, remove the casing as indicated in Paragr. 3.21. 2. Unscrew the 4 manifold fastening nuts (1, Fig. 64) and gently pull them out orthogonally towards yourself.
  • Page 86 Victrix Tera V2 35 Plus EU 1. To access the inside of the appliance, remove the casing as indicated in Paragr. 3.21. 2. Unscrew the 4 manifold fastening nuts (1, Fig. 65) and gently pull them out orthogonally towards yourself. 3.
  • Page 87: Replacing Manifold Seals

    After checking the integrity of the seals, proceed as follows if they need to be replaced: Victrix Tera V2 24 Plus EU 1. Remove old seals. 2. Place the module gasket (1) radially on the edge of the condensation module flange (2).
  • Page 88 Victrix Tera V2 35 Plus EU 1. Remove old seals. 2. Install the cord packing (8) by putting the two ends together and pressing them into the housing. Press the gasket back onto the areas identified at '9 o'clock' (A), '12 o'clock' (B) and '3 o'clock' (C) with respect to the ends and then lay the rest of the gasket inside the hous- ing.
  • Page 89: Assembling The Manifold On The Condensation Module

    2. Tighten the 4 nuts (1, Fig. 64 or Fig. 65) on the condensation module (3, Fig. 64 or Fig. 65) in the sequence (A, B, C, D of Fig. 64 or Fig. 65) shown in the drawing. The tightening torque when assembling the manifold (2) on the condensation module (3) must be 4 Nm. Do not exceed 5 Nm. Victrix Tera V2 24 Plus EU Victrix Tera V2 35 Plus EU...
  • Page 90: Technical Data

    The power data in the table has been obtained with intake-exhaust pipe measuring 0.5 m in length. Gas flow rates refer to net calorific value below a temperature of 15°C and at a pressure of 1013 mbar. Victrix Tera V2 24 Plus EU METHANE...
  • Page 91 Victrix Tera V2 35 Plus EU METHANE PROPANE (G20) (G31) FLOW RATE HEAT MODULA- GAS FLOW RATE MODULA- GAS FLOW RATE FAN REVS FAN REVS OUTPUT OUTPUT TION BURNER TION BURNER (kW) (kW) (rpm) (rpm) (Kg/h) 38,3 37,3 D.H.W. 6000 4,05 6000 2,98...
  • Page 92: Combustion Parameters

    COMBUSTION PARAMETERS Combustion parameters: measuring conditions of useful efficiency (flow temperature/return temperature= 80 / 60 °C), ambient temper- ature reference = 15°C. Victrix Tera V2 24 Plus EU Gas type Supply pressure mbar Gas nozzle diameter Flue flow rate at D.H.W. nominal heat output...
  • Page 93: Technical Data Table

    4.3 TECHNICAL DATA TABLE VICTRIX TERA V2 VICTRIX TERA V2 24 PLUS EU 35 PLUS EU Domestic hot water nominal heat input 28,7 38,3 Central heating nominal heat input 24,5 32,8 Minimum heat input DHW nominal heat input with G20Y20 gas 27,1 35,5 PoCentral heating nominal heat input with G20Y20 gas...
  • Page 94: Key For Data Nameplate

    KEY FOR DATA NAMEPLATE Cod. Md. Sr N° Cod. PIN Type Qnw/Qn min. Qnw/Q max. Pn min. Pn max. Class CONDENSING The technical data are provided on the data plate on the appliance. Model Cod. Md Model code Sr N° Serial Number Check Cod.
  • Page 95: Technical Parameters For Combination Boilers (In Compliance With Regulation 813/2013)

    4.5 TECHNICAL PARAMETERS FOR COMBINATION BOILERS (IN COMPLIANCE WITH REGULATION 813/2013) The efficiencies and NO values in the following tables refer to the gross calorific value. Model VICTRIX TERA V2 24 PLUS EU Condensing Boiler Low temperature boiler Boiler type B1 Co-generation appliance for central heating...
  • Page 96 Model VICTRIX TERA V2 35 PLUS EU Condensing Boiler Low temperature boiler Boiler type B1 Co-generation appliance for central heating Mixed heating appliance Nominal heat output 32,0 Seasonal energy efficiency of central heating η For central heating only and combination boilers: useful heat output At nominal heat output in high temperature mode (*) 32,0 At 30% of nominal heat output in a low temperature mode (**)
  • Page 97: Product Fiche (In Compliance With Regulation 811/2013)

    PRODUCT FICHE (IN COMPLIANCE WITH REGULATION 811/2013) Victrix Tera V2 24 Plus EU punto soluzioni srl "!! VICTRIX TERA V2 24 PLUS EU 2019 811/2013 Parameter value Annual energy consumption for the central heating mode (QHE) 43,4 Seasonal space heating energy efficiency (ηs) For proper installation of the appliance refer to chapter 1 of this booklet (for the installer) and current installation regulations.
  • Page 98 Victrix Tera V2 35 Plus EU punto soluzioni srl "!! VICTRIX TERA V2 35 PLUS EU 2019 811/2013 Parameter value Annual energy consumption for the central heating mode (QHE) 58,8 Seasonal space heating energy efficiency (ηs) For proper installation of the appliance refer to chapter 1 of this booklet (for the installer) and current installation regulations. For proper maintenance refer to chapter 3 of this booklet (for the maintenance technician) and adhere to the frequencies and methods set out herein.
  • Page 99: Parameters For Filling In The Package Fiche

    PARAMETERS FOR FILLING IN THE PACKAGE FICHE If an assembly is to be made from this device, use the assembly sheets shown in (Fig. 70 and 72). For the correct compilation, insert into the appropriate spaces (as shown in the facsimile package fiche (Fig. 69 and 71) the values set out in the tables "Parameters for compiling package fiche"...
  • Page 100 Parameters for filling in the assembly chart Parameter VICTRIX TERA V2 24 PLUS EU VICTRIX TERA V2 35 PLUS EU "I" "II" "III" 1,11 0,84 "IV" 0,44 0,33 * to be established by means of table 5 of Regulation 811/2013 in case of “assembly” including a heat pump to integrate the boiler. In this case the boiler must be considered as the main appliance of the assembly.
  • Page 101 Facsimile for filling in the domestic hot water production system package fiche ‘I’ Solar contribution From the board of the solar device Auxiliary electricity ( 1.1 x ‘I’ 10 % ) ‘II’ ‘III’ - ‘I’ average climate conditions < 27 % ≥...
  • Page 102 Parameters for filling in the DHW package fiche Parameter VICTRIX TERA V2 24 PLUS EU VICTRIX TERA V2 35 PLUS EU "I" "II" "III" * to be determined according to Regulation 811/2013 and transient calculation methods as per Notice of the European Community no.
  • Page 104 This instruction booklet is made of ecological paper. immergas.com Immergas S.p.A. 42041 Brescello (RE) - Italy Tel. 0522.689011 Fax 0522.680617 IMMERGAS SPA - ITALY CERTIFIED COMPANY UNI EN ISO 9001:2015 Design, manufacture and post-sale assistance of gas boilers, gas water heaters and related accessories...

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