Immergas VICTRIX HYBRID PLUS Manual
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Immergas VICTRIX HYBRID PLUS Manual

Immergas VICTRIX HYBRID PLUS Manual

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VICTRIX HYBRID
Instructions and recommendations
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PLUS
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Maintenance technician

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Summary of Contents for Immergas VICTRIX HYBRID PLUS

  • Page 1 VICTRIX HYBRID Instructions and recommendations Installer PLUS User Maintenance technician...

  • Page 2: Table Of Contents

    1.17 230 VAC configurable outlet ..................................29 1.18 General examples of types of installation of flue systems .........................30 1.19 Immergas flue systems ....................................31 1.20 Equivalent lengths of "Green Range" flue system components........................33 1.21 Outdoor installation in partially protected area ............................35 1.22 Internal installation using a recessed frame with direct air intake ......................37...
  • Page 3 2.6 Operation with external probe ................................... 64 Clock and programs ....................................64 2.8 Settings menu ........................................66 Indoor Unit Control Panel ...................................69 2.10 System use ........................................70 2.11 Information menu ......................................71 2.12 Fault and anomaly signals ....................................72 2.13 Appliance switch-off ....................................79 2.14 Restore central heating system pressure ..............................79 2.15 Draining the system .....................................79 2.16 Antifreeze protection ....................................80 2.17 Prolonged inactivity .....................................80...

  • 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

    - Victrix Hybrid control panel (supplied in the accessories group of the indoor unit). The Victrix Hybrid Plus heat pump was designed only for central heating and production of domestic hot water for domestic use and similar purposes (if combined with a storage tank unit).
  • Page 8 The equipment classification is shown in the illustrations of the various installation solutions on the following pages. Only a professionally enabled company is authorised to install Immergas appliances. Installation must be carried out according to regulation standards, current legislation and in compliance with local technical regulations and the required technical procedures.
  • Page 9 Split exhaust ducts must not pass through walls of combustible material. Do not place household appliances underneath the appliance as they could be damaged if the safety valve intervenes, if the drain trap is blocked, or if there are leaks from the hydraulic connections; otherwise, the manufacturer cannot be held respon- sible for any damage caused to the household appliances.
  • Page 10 The Storage Tank Unit must also be installed in an environment in which the temperature cannot fall below 0°C. "Disinfection" heat treatment of the Immergas storage tank unit (can be activated by a special function on the control panel): During this phase, the temperature of the water inside the tank exceeds 60°C with the subsequent risk of burns.

  • Page 11: Installation Warnings

    - Omnistor 300 - 500; - Basic Magis Pro. In order to connect the Victrix Hybrid Plus to the Inoxstor storage tank unit, connect the two coils in series, therefore it is NOT possible to pair a thermal solar system.

  • Page 12: Antifreeze Protection

    Make sure to connect the flow from heat pump (MHT) of the outdoor unit to the system return (R) of the indoor unit. With Victrix Hybrid Plus, in case of connection to the storage tank unit, the return present on the storage tank unit (RU) must be connected to the return of the Outdoor unit (RHT).
  • Page 13 - The outdoor unit is always protected against frost, even with a power failure, only by using an antifreeze liquid. In this case it will be necessary to disable the antifreeze functions, which are enabled as standard. In the presence of antifreeze liquid: - Set the parameter "O.U.

  • Page 14: Outdoor Unit Installation

    - The materials used for the central heating circuit of Immergas units resist ethylene and glycol based antifreeze liquids (if the mixtures are prepared perfectly). Adding glycol lowers the freezing point of water. - The required concentration depends on the lowest expected outside temperature, in any case not below -25°C, and whether or not the risk of bursting or freezing of the system is to be prevented.

  • Page 16: Main Dimensions

    MAIN DIMENSIONS Key (Fig. 3): - Condensate drain (minimum inter- nal diameter Ø 13 mm) - Electrical connection - System filling - Domestic hot water outlet - Domestic hot water inlet - Storage tank unit return MU - Storage tank unit flow - System return - System flow - Return to solar panels (Optional)

  • Page 17: Minimum Installation Distances

    MINIMUM INSTALLATION DISTANCES Key (Fig. 4): - 450 mm - 350 mm - 30 mm - 30 mm - 350 mm...

  • Page 18: Installation Inside The Recessed Frame (Optional)

    INSTALLATION INSIDE THE RECESSED FRAME (OPTIONAL) The appliance is designed to be installed in the Immergas recessed frame (supplied as optional) only coupled with the enlarged door kit. To install proceed as follows: - To be installed in the Immergas recessed frame (supplied as optional) only coupled with the enlarged door kit.

  • Page 19: Appliance Connection Unit

    APPLIANCE CONNECTION UNIT The connection unit is supplied as standard. Make the hydraulic and gas system connection of the indoor unit in accordance with the layout (Fig. 8) and according to the type of in- stallation to be carried out. Key (Fig.

  • Page 20: Gas Connection

    1.10 GAS CONNECTION Our appliances are built to work with natural gas (G20), LPG and mixtures of methane and hydrogen at 20% in volume (20%H2NG), re- ferred to the gas distributed in the network. Power supply pipes must be the same as or larger than the appliance fitting. Data nameplate positioning Before connecting the gas line, carefully clean inside all the fuel feed system pipes to remove any residue that could impair ap- pliance efficiency.
  • Page 21 (i.e. downstream from the pipes connecting the system to the appliance), according to the manufacturer’s in- structions. The Immergas connection unit, supplied as an optional kit, also includes the gas isolation valve, whose installation instruc- tions are provided in the kit.

  • Page 22: 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 23 Hydraulic connection diagram. Key (Fig. 10): - Gas supply - Indoor unit - Storage tank unit return - Audax.DK4 outdoor unit MU - Storage tank unit flow - Control panel - System filling - Filling valve / tap - Condensate drain - Gas interception valve - System flow - Heat pump flow interception valve with vent...
  • Page 24 Hydraulic connection diagram with storage tank (optional). Key (Fig. 11): - Gas supply - Indoor unit - Storage tank unit return - Audax.DK4 outdoor unit MU - Storage tank unit flow - Control panel - System filling - Filling valve / tap - Condensate drain - Gas interception valve - System flow...

  • Page 25: Electrical Connection

    1.12 ELECTRICAL CONNECTION The indoor unit must be coupled with an Audax.DK4 outdoor unit. They must both be connected to the control panel as indicated in the wiring diagram. The Audax.DK4 outdoor unit is supplied with 230 Vac with lines separated from the indoor unit with an IPX5D protec- tion rating.
  • Page 26 If the power cable is damaged, contact a qualified company (e.g. the Authorised Technical As- sistance Centre) for its replacement to avoid a hazard. It is recommended to contact a qualified company (e.g. the Authorised After-Sales Technical Assistance Centre) for replacement to avoid a hazard. The power supply cable must be laid as shown (Fig.

  • Page 27: Control Panel Main Dimensions

    Electrical connection diagram Victrix Hybrid Plus Key (Fig. 13): S20-230VAC - Domestic hot water inlet probe (optional) A23 - Audax.DK4 Outdoor Unit - Power supply A33 - Victrix Hybrid control panel - Configurable relay - Storage tank probe (optional - not available for this model)

  • Page 28: Control Panel Installation Operations

    4. Fix the body of the control panel to the mount template, engaging it with pressure. 5. After the Victrix Hybrid Plus devices have been powered, wait about 30 seconds before regulation so that communication between control panel and the Victrix Hybrid Plus devices has established.

  • Page 29: Vac Configurable Outlet

    Terminals 1 and 2 of the indoor unit are 230V/50Hz. All Immergas chrono-thermostats are connected with 2 wires only. Carefully read the user and assembly instructions contained in the accessory kit. Disconnect power to the unit before making any electrical connections.

  • Page 30: General Examples Of Types Of Installation Of Flue Systems

    1.18 GENERAL EXAMPLES OF TYPES OF INSTALLATION OF FLUE SYSTEMS For the types of installation of flue systems approved for this product, please follow the table in Parag. 4.3, in the line Appliance type. Installation types summarised table (Fig. 16): Appliance that withdraws air from the environment where it is installed and releases combustion products outside (either directly or through the flue).

  • Page 31: Immergas Flue Systems

    These solutions form an integral part of the product. 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 in the configurations envisaged in Parag.
  • Page 32 Positioning the gaskets (black) for “green range” flue systems. Position the gasket correctly (for bends and extensions) (Fig. 17): - 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.

  • Page 33: Equivalent Lengths Of "Green Range" Flue System Components

    1.20 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° Ø 80/125 Terminal complete with concentric horizontal intake-exhaust Ø...
  • Page 34 Equivalent Equivalent Resistance Equivalent Equivalent length in m length in m factor length in m length in m TYPE OF DUCT 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 35: 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.19).
  • Page 36 The cover kit includes (Fig. 19): N°1 Thermoformed cover N°1 Gasket clamping plate N°1 Gasket N°1 Gasket tightening clip N°1 Intake hole covering plate Il kit terminale comprende: N°1 Gasket N°1 Exhaust flange Ø 80 N°1 Ø 80 90° bend N°1 Exhaust pipe Ø...

  • Page 37: Internal Installation Using A Recessed Frame With Direct Air Intake

    1.22 INTERNAL INSTALLATION USING A RECESSED FRAME WITH DIRECT AIR INTAKE Configuration type B, open chamber and fan assisted Using a kit separator, one can achieve direct air intake (Fig. 20) and flue exhaust in a single chimney or directly outside. In this configuration the appliance is classified as type B With this configuration: - air intake takes place directly from the environment in which the appliance is installed and only functions in permanently ventilated...

  • Page 38: Concentric Horizontal Kit Installation

    1.23 CONCENTRIC HORIZONTAL KIT INSTALLATION Type C configuration, sealed chamber and fan assisted The position of the terminal (in terms of distances from openings, overlooking buildings, floor, etc.) must be in compliance with the reg- ulations in force. This terminal is connected directly to the outside of the building for air intake and flue gas exhaust. The horizontal kit can be installed with the rear, right side, left side or front outlet.
  • Page 39 In this case the special extensions must be requested. This configuration corresponds to a resistance factor of 100. 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 40 Horizontal intake/exhaust assembly kits Ø 80/125 (Fig. 24) To install the kit Ø 80/125 one must use the flanged adapter kit (pos. 2, Fig. 24). 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 41: Concentric Vertical Kit Installation

    1.24 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 slate 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 42 Extensions for vertical kit Ø 60/100 (L = maximum length) (Fig. 27) The kit with this configuration can be extended up to a maximum of 14.4 m vertical straight, including the terminal; this configura- tion corresponds to a resistance factor of 100. In this case specific coupling extensions must be requested.
  • Page 43 Vertical kit assembly with aluminium slate Ø80/125 (Fig. 28) To install the kit Ø 80/125 one must use the flanged adapter kit (pos. 2, Fig. 24). 1. Install the concentric flange (2) on the flue exhaust of the appliance, positioning gasket (1) with the circular projections downwards in contact with the appliance flange.

  • Page 44: Separator Kit Installation

    1.25 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 45 Installation clearances (Fig. 31) 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 (L = maximum length) The maximum vertical straight length (without bends) that can be used for Ø 80 intake and exhaust pipes is 35 metres, regardless from whether they are used for intake or exhaust.

  • Page 46: Adaptor Kit Installation C

    1.26 ADAPTOR KIT INSTALLATION C 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 47 ADAPTOR SHAFT SHAFT Ducting (A) mm (B) mm (C) mm Ø 60 Rigid Ø 50 Flexible Ø 80 Rigid Ø 80 Flexible 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.

  • Page 48: Ducting Of Flues Or Technical Slots

    Immergas ducting systems The Ø 60 rigid, Ø 50 and Ø 80 flexible and Ø80 rigid "Green Range" ducting systems must only be used for domestic use and with Immergas condensing boilers.
  • Page 49 To guarantee reliability and operation over time of the ducting system, make sure: - it is used in average atmospheric and environmental conditions, according to current regulations (absence of combustion products, dusts or gases that can alter the normal thermophysical or chemical conditions; existence of temperatures coming within the stand- ard range of daily variation, etc.).

  • Page 50: Maximum Flue Length

    1.28 MAXIMUM FLUE LENGTH Type Installation VICTRIX PLUS 24HY L = Maximum length (m) C13 (horizontal+curve) Ø 60/100mm C33 (vertical) 14,5 Ø 80/125mm C13 (horizontal+elbow) C33 (vertical) C43 - C53 - C83 (split) Ø 80/80mm B23 - B33 - B53p Ø...

  • Page 51: Configuration For C6 Flue Installation

    1.29 CONFIGURATION FOR C6 FLUE INSTALLATION Appliance designed to be connected to a commercial exhaust/intake system. Gas type Flue temperature at maximum output °C Flue gas mass at maximum power kg/h Flue temperature at minimum output °C Flue gas mass at minimum power kg/h at Q.

  • Page 52: Configuration Type B, Open Chamber And Fan Assisted For Indoors

    1.30 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 Parag.

  • Page 53: Flues, Chimneys And Chimney Caps

    1.32 FLUES, CHIMNEYS AND CHIMNEY CAPS. The flues, chimneys and chimney caps for the evacuation of combustion products must be in compliance with applicable standards. Positioning the wall flue exhaust terminals. The wall flue exhaust terminals must: - be installed on external perimeter walls of the building (Fig. 37); - be positioned according to the minimum distances specified in current technical standards.

  • Page 54: Water Treatment Plant Filling

    1.33 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 55: System Filling

    1.34 SYSTEM FILLING Once the appliance is connected, proceed with system filling via the filling valve (Det. 1 Fig. 8). Filling is performed at low speed to ensure release of air bubbles in the water via the appliance and central heating system vents. The appliance has a built-in automatic vent valve on the pump.

  • Page 56: Appliance Start-Up (Ignition)

    1.37 APPLIANCE START-UP (IGNITION) To commission the appliance (the operations listed below must only be performed by qualified personnel and in the presence of staff only): 1. check that the internal system is properly sealed according to the specifications set forth by regulations in force; 2.

  • Page 57: Upm4 Circulation Pump

    1.38 UPM4 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 (Par. 3.6). The ∆T can be controlled compatibly with the characteristics of the central heating system and of the appliance. - Proportional head (A4 = 0): the circulator speed varies according to the power emitted by the burner, the greater the power the great- er the speed.

  • Page 58: Kits Available On Request

    = Power absorbed by pump (W) 1.39 KITS AVAILABLE ON REQUEST Check the complete list of kits available and which can be combined with the product, consult the Immergas website, the Im- mergas Price List or the technical-commercial documentation (catalogues and data sheets).

  • Page 59: Main Components

    1.40 MAIN COMPONENTS Key (Fig. 41): - Flue probe - Condensation module - System expansion vessel - Venturi - Burner - Return probe - Ignition/detection electrode - System pressure switch - Air intake pipe - Air vent valve - Flow probe - Boiler circulating pump - Fan - 3 bar safety valve...

  • Page 60: 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 61 Do not climb on the appliance, do not use the appliance as a support base. In the event of malfunctions, faults or incorrect operation, turn the appliance off and contact an authorised company (e.g. the Authorised Technical Assistance Centre, which has specifically trained staff and original spare parts). Do not attempt to modify or repair the appliance alone.

  • Page 62: Cleaning And Maintenance

    if you smell burning or see smoke coming out of the appliance, switch it off, disconnect power, close the main gas isolation valve, open the windows and call an authorised company (e.g. Au- thorised Technical Assistance Centre). At the end of its service life, the appliance must not be disposed of like normal household waste nor abandoned in the environment, but must be removed by a professionally authorised com- pany as required by current legislation.

  • Page 63: Control Panel

    2.3 CONTROL PANEL 12:34 We 8 Jan 2020 20.6 °C 13°C Heating Room Set 21.0°C Mode Menu Zone Key (Fig. 42): - Left context button - Right context button - Main parameters switch with button to confirm and save - Display data OPERATION OVERVIEW Once the device has been powered, it goes into the status prior to switch-off.

  • Page 64: Comfort / Economy / Manual Operation

    The temperature detected by the temperature is indicated at the centre of the display on the control panel. The lower part of the display shows the parameter that can be changed (varies depending on the configuration). You can change the value by turning the general selector or by using the "Zone Set Point"...
  • Page 65 • Time slots The control panel enables you to set 4 calendars with 4 time operating slots in system comfort mode. The system will operate in econo- my mode during out-of-range time of these 4 time slots. After setting these 4 calendars it is possible to associate them to the various days of the week and DHW function according to one's needs.

  • Page 66: Settings Menu

    2.8 SETTINGS MENU Press the "Menu" button to access a list of variables that enable you to customise use of the system. To browse the menus, which can be accessed by pressing the rela- Menu tive "RH" or "LH" context buttons, scroll through the sub-menus Set Point Zone [ ...
  • Page 67 "Clock and Programs" menu Customised Menu item Description Range Default value Date and time Current date and time setting Defines the time range for operation in Comfort and Economy Time slots 0-24, 0-45 00:00 mode Calendar 1 Slot 1 ON Zone Program Time zone scheduling CAL1, CAL2,...
  • Page 68 "Generator management" menu Customised Menu item Description Range Default value Allows to enter the price of electricity in € per kWh for time slot Electricity price F1 0 ÷ 2.55 €/kWh 0,23 Allows to enter the price of electricity in € per kWh for time slot Electricity price F2 0 ÷...

  • Page 69: Indoor Unit Control Panel

    INDOOR UNIT CONTROL PANEL Key (Fig. 49): - Indoor unit connected to control panel - Flame presence symbol and relative output scale - Off / Stand-by / Summer / Winter buttons (Not used on this - Not used on this model model) - Solar function active - Information buttons...

  • Page 70: System Use

    2.10 SYSTEM USE Before ignition make sure the heating system is filled with water and that the pressure gauge (8, Fig. 49) indicates a pressure of 1 - 1.2 bar. – Open the gas isolation valve upstream from the indoor unit. The indoor unit operates automatically according to the settings on the control panel.

  • Page 71: Information Menu

    2.11 INFORMATION MENU By pressing the button " ", the "Information" menu is activated for at least 1 second, displaying some system operating parameters. To scroll through the various parameters, press the buttons "DHW regulation" " ". With the menu active on the indicator 19, Fig. 49) the parameter via the letter "d" plus the number of the parameter that is being displayed will alternately show.

  • Page 72: Fault And Anomaly Signals

    The board detects an anomaly on the flow NTC probe. The system does not start (1) (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...
  • Page 73 (deaerated); circulating pump blocked; free the circulating pump. (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...
  • Page 74 (1) (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...
  • Page 75 The system does not start (1) probes is detected. drift (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...
  • Page 76 Compressor overload Compressor overload Compressor start 1044 Compressor start anomaly anomaly (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...
  • Page 77 High inverter 1103 Inverter board temperature too high temperature (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...
  • Page 78 Internal 1135 Internal communication error communication error (1) If the block or anomaly persists, contact an authorised company (e.g. Immergas Authorised After-Sales Centre) (2) The anomaly can only be verified in the list of errors in the “Information” menu...

  • Page 79: Appliance Switch-Off

    2.13 APPLIANCE SWITCH-OFF Switch off the appliance by setting 'stand-by' mode on the control panel, switch off the appliance's outer omnipolar switches and close the gas tap upstream of the appliance. Never leave the appliance switched on if left unused for prolonged periods. 2.14 RESTORE CENTRAL HEATING SYSTEM PRESSURE Key (Fig.

  • Page 80: Antifreeze Protection

    2.16 ANTIFREEZE PROTECTION The hybrid heat pump is equipped with an anti-freeze protection function that is active at different levels ("O.U. in antifreeze" parameter setting). "Level 1" corresponds to the disabling of the protections. The "Level 2" protects the outdoor unit by switching on the pump and burner until a temperature calculated on the basis of the outdoor ambient temperature is reached.

  • Page 81: 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 82: 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 indoor unit settings; - check connection to a 230V-50Hz power mains, correct L-N polarity and the earthing connection; - make sure that all electrical connections between: indoor unit and control panel, outdoor unit and control panel were performed ac- cording to the available documentation and applicable regulations;...

  • Page 83: Yearly Appliance Check And Maintenance

    YEARLY APPLIANCE CHECK AND MAINTENANCE On the indoor unit: - 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; remove any oxide present. - If deposits are detected in the combustion chamber they must be removed and the heat exchanger coils must be cleaned using nylon or broomcorn brushes;...
  • Page 84 Victrix Plus 24HY Gas type to Nominal Q. to ignition Q. to Minimum Q. 9,7 (9,5 ÷ 10,2) 9,7 (9,5 ÷ 10,2) 8,8 (8,5 ÷ 9,0) 11,4 (11,1 ÷ 11,5) 11,4 (11,1 ÷ 11,5) 10,6 (10,5 ÷ 10,9) Gas type at Nominal Q.
  • Page 85 On the outdoor unit: Check the following points at least once per year: • External coil The external coil of the Audax.DK4 may be obstructed by dirt, dust, leaves, etc... It is recommended to clean the coil when necessary (at least once a year) to avoid reaching too high or too low pressures that would de- crease the performance of the outdoor unit.
  • Page 86 During the coolant recovery operation with the Pump Down, stop the compressor before removing the coolant piping. If the compressor is still operating and the stop valve is open during coolant recovery with the Pump Down, air will be sucked into the system.

  • Page 87: Hydraulic Diagram

    HYDRAULIC DIAGRAM Key (Fig. 53): - Flue sample point - 3 bar safety valve - Air sample point - 3 bar safety valve drain fitting signal - Gas valve - Burner - Air vent valve drain - Gas nozzle - Return probe - Condensate drain trap - Fan - Gas supply...

  • Page 88: Wiring Diagram

    - Black - Blue - Brown Key (Fig. 54): - Green - Audax.DK4 Outdoor Unit - Grey - Victrix Hybrid Plus control panel - Orange - Flow probe - Purple - Boiler probe (optional) - Pink - Return probe - Red...

  • Page 89: Programming

    P.C.B. PROGRAMMING By modifying these parameters as described below, the system can be adapted according to specific needs. Access the "Service" menu by pressing the right "Menu" button and turning the main switch until selecting the desired menu. Press the main switch to confirm the selection.
  • Page 90 "Service" -> "Temperature control" menu Customised Menu item Description Range Default value Enable external probe Defines the use of the external probe. Yes / No With the external probe not in use it defines the minimum flow temperature that can be set by the user. With the external probe Minimum flow set 25 ÷...
  • Page 91 "Service" -> "Integration" menu Customised Menu item Description Range Default value Enables IU operation in DHW mode if the EU is not sufficient to Enable DHW integr. reach the set point. Enables IU operation in CH mode if the EU is not sufficient to Enable heat.
  • Page 92 Flow set point determined by temperature control O.U. max calculated set Maximum flow set point calculated for the outdoor unit System Status Immergas after sales service diagnostic value Heater Status Immergas after sales service diagnostic value "Service" -> "Maintenance" menu...

  • Page 93: 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 valve is open.

  • Page 94: 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 95: Fan Speed Calibration

    FAN SPEED CALIBRATION Verification and calibration are necessary, in the case of transformation to other types of gas, in the extraordinary maintenance phase with replacement of the PCB, air/gas circuit components or in the case of installations with flue extraction systems, with horizontal concentric pipe measuring more than 1 metre.

  • Page 96: Co Regulation

    3.10 CO 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 97: Indoor Unit P.c.b. Programming

    3.12 INDOOR UNIT 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 98 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 99 Customised Parameter Description Range Default Parameter value Defines the maximum heat output percentage of the Indoor Max DHW Unit during the D.H.W. mode compared to the maximum 0 - 100 % 100 % output heat output available (when paired with a storage tank unit) Defines in percentage the minimum output in central Min CH output 0 - P2...
  • Page 100 Customised Parameter Description Range Default Parameter value Central heating set point Set this parameter from the control panel. see Par. 3.6 minimum temperature Central heating set point Set this parameter from the control panel. see Par. 3.6 maximum temperature Not available for this model D.H.W.
  • Page 101 Customised Parameter Description Range Default Parameter value Hydraulic Defines the type of hydraulics in the indoor unit (0 = 0 ÷ 1 model instantaneous; 1 = cylinder) Maximum Set this parameter from the control panel. see Par. 3.6 pump speed Minimum Set this parameter from the control panel.

  • Page 102: Password-Protected Special Functions

    3.13 PASSWORD-PROTECTED SPECIAL FUNCTIONS The appliance is equipped with some special functions, access to which is granted if this is in stand-by ( The 'stand-by' function can only be obtained via the control panel. Press and hold the “ ” button for more than 5 seconds. The display will show two dashes “--”...

  • Page 103: 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 104: Screed Heater

    3.17 SCREED HEATER 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 105: Chimney Sweep

    3.18 CHIMNEY SWEEP 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 106: Pump Anti-Block

    3.19 PUMP ANTI-BLOCK The appliance has a function that starts up the pump at least once every 24 hours for 30 seconds in order to reduce the risk of the pump locking up due to prolonged inactivity. 3.20 THREE-WAY ANTI-BLOCK In both phase "DHW", and "DHW - Central heating"...

  • Page 107: Operating Logic

    3.23 OPERATING LOGIC Central heating mode Following a request during the room heating mode, the electronics decide, according to the external temperature, whether to activate the outdoor unit, or (with cold temperatures) the indoor unit (Fig. 68 - 69). The management electronics select which heat source to be used according to the combination of the parameters set in the integration menu of the control panel.
  • Page 108 Key (Fig. 68 - 69): Integration mode = MAN - External temperature - Integration activation temperature - Central heating / C.H. set - Minimum - Maximum - Exclusive operation of the indoor unit 55 °C - Outdoor unit operation. When the activation time set by the user has elapsed, the indoor unit also starts - Simultaneous operation 'with differ-...

  • Page 109: Casing Removal

    3.24 CASING REMOVAL To facilitate appliance maintenance the casing can be completely removed as follows: Lower grid (Fig. 70) 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.
  • Page 110 Front (Fig.72) 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 upwards at the same time.
  • Page 111 Control panel (Fig. 73) 9. Press the hooks on the side of the control panel (i). 10. Tilt the control panel (i) towards you.
  • Page 112 Sides (Fig. 74) 11. Loosen screws (k) of side fastening (j). 12. Remove the sides by extracting them from their rear seat (Ref. X). Rif. X...

  • Page 113: Technical Data

    TECHNICAL DATA VARIABLE HEAT OUTPUT 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. METHANE PROPANE (G20)

  • Page 114: Combustion Parameters

    COMBUSTION PARAMETERS Combustion parameters: measuring conditions of useful efficiency (flow temperature/return temperature= 80/60 °C), ambient temper- ature reference = 20 °C. Gas type Supply pressure mbar 20,0 37,0 Gas nozzle diameter 4,90 3,80 Flue flow rate at D.H.W. nominal heat output kg/h Flue flow rate at heating nominal heat output kg/h...

  • Page 115: Indoor Unit Technical Data Table

    4.3 INDOOR UNIT TECHNICAL DATA TABLE VICTRIX PLUS 24HY Central heating nominal heat input 24,6 Minimum heat input PoCentral heating nominal heat input with 20%H2NG gas 22,6 Minimum heat input with 20%H2NG gas Central heating nominal heat output (useful) 24,1 Minimum heat output (useful) *Effective thermal efficiency 80/60 Nom./Min.

  • Page 116: Outdoor Unit Technical Data Table

    OUTDOOR UNIT TECHNICAL DATA TABLE The data shown below refer to the Audax.DK4 outdoor unit. Audax.DK4 Nominal data for low temperature applications * Nominal central heating output 3,83 Absorption 0,85 4,49 Nominal data for intermediate temperature applications (A35/W7) ** Nominal central heating output 3,80 Absorption 1,15...
  • Page 117 Product data Audax.DK4 Produced water temperature (central heating) °C +20 … +80 Produced water temperature (DHW) °C +10 … +60 Ambient operating temperature (central heating) °C -25 … +40 Ambient operating temperature (DHW) °C -25 … +40 Minimum circulation flow rate Primary side water content 2,2 (UI) + 2(UE) System expansion vessel volume...

  • Page 118: Product Fiche (In Compliance With Regulation 811/2013)

    4.5 PRODUCT FICHE (IN COMPLIANCE WITH REGULATION 811/2013) Supplier's name or trademark Immergas S.p.A VICTRIX HYBRID Supplier's model identifier PLUS For space heating Application temperature Average temperature For water heating Stated load profile Average temperature Seasonal energy efficiency class of room heating...
  • Page 119 For mixed central heating appliances with a heat pump Stated load profile Water central heating energy efficiency η Daily electrical power consumption kWh Daily fuel consumption elec fuel Annual energy consumption kWh Annual fuel consumption Contact information Immergas S.p.A. via Cisa Ligure n.95...

  • Page 120: Parameters For Filling In The Package Fiche

    PARAMETERS FOR FILLING IN THE PACKAGE FICHE If you wish to install an assembly, starting from this appliance, use the assembly charts in (Fig. 76). For correct compilation, enter in the appropriate spaces (as shown in the facsimile overview sheet Fig. 75) the values given in the tables in the paragraph "Parameters to fill in the average temperature package fiche (47/55)".
  • Page 121 "III" 4,45 4,77 5,35 "IV" 1,74 1,87 2,09 * to be determined according to Regulation 811/2013 and transient calculation methods as per Notice of the European Community no. 207/2014. Parameter Victrix Hybrid Plus "VI" Remote control class supplied by default...
  • Page 122 Room central heating system package fiche. ____ Temperature control Class I = 1 %, Class II = 2 %, Class III = 1.5 %, Class IV = 2 %, From temperature Class V = 3 %, Class VI = 4 %, control board Class VII = 3.5 %, Class VIII = 5 % Supplementary boiler...
  • Page 124 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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