Immergas VICTRIX Zeus 20 Manual
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Immergas VICTRIX Zeus 20 Manual

Condensation-type wall-hung room sealed fan-assisted boiler with stainless steel storage tank
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VICTRIX Zeus
Condensation-type wall-hung
room sealed fan-assisted boiler
with stainless steel storage tank.

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Summary of Contents for Immergas VICTRIX Zeus 20

  • Page 1 VICTRIX Zeus Condensation-type wall-hung room sealed fan-assisted boiler with stainless steel storage tank.

  • Page 3: General Features

    Technical Documentation VICTRIX ZEUS Condensation-type wall-hung room sealed fan-assisted boiler with Gaudium Ma- gnum device. VICTRIX Zeus 20 VICTRIX Zeus 27 General features. VICTRIX Zeus is a condensation-type wall-hung room sea- led fan-assisted boiler featuring a “Gaudium Magnum” devi- ce for fully exploiting the characteristics of this 54 l boiler in Aisi 316L stainless steel.
  • Page 4 Technical Documentation Technical Documentation VICTRIX Zeus main dimensions. Legend: G - Gas supply R - System return M - System delivery RC - Recirculation (optional) U - D.h.w. outlet E - D.h.w. inlet V - Power connection S - Condensation runoff (minimum internal diameter of Ø...
  • Page 5 Technical Documentation Technical Documentation VICTRIX Zeus main components. (from the serial number 2753798 for VICTRIX Zeus 20) (from the serial number 2731813 for VICTRIX Zeus 27) Legend: 1 - Intake sockets (air A) - (fumes F) 20 - Electronic control unit 2 - Fume thermostat 21 - Maximum flow limit thermostat...

  • Page 6: Hydraulic Circuit

    Technical Documentation Technical Documentation Hydraulic circuit. (from the serial number 2753798 for VICTRIX Zeus 20) (from the serial number 2731813 for VICTRIX Zeus 27) Legend: 1 - Storage tank emptying valve 26 - Max drawing limit thremostat 2 - One way valve...

  • Page 7: Operation

    The casing features a threaded union used to directly secure The following graph are the curves for every pump speed. the automatic release valve (1). VICTRIX Zeus 20 VICTRIX Zeus 20 VICTRIX Zeus 27 Flow Litres/h Head available to the system on maximum speed with the by-pass off...
  • Page 8 To minimise load losses and increase the flow available for the system, the delivery consists of the parallel connection of the first three elements (VICTRIX Zeus 20) or first four elements (VICTRIX Zeus 27), while the return consists of a parallel connection of the last two elements.
  • Page 9 Technical Documentation Technical Documentation Safety devices and controls. System adjustable by-pass (6). This ensures water circulation in the primary circuit (between delivery and return) even when this is prevented by the high resistance of the system. It is mounted on the delivery supply header and it can be adjusted by means of a screw accessible from the bottom part of the valve support plate.
  • Page 10 Technical Documentation Technical Documentation Secondary circuit (domestic hot water circuit). The d.h.w. circuit is engaged every time the temperature of At this stage, the heating function is disengaged because the the water in the storage tank (2) has to be brought to the production of d.h.w.

  • Page 11: Storage Tank

    Technical Documentation Technical Documentation Storage tank. circuit) to prevent the increase in pressure resulting from d.h.w heating causing a return towards the water mains. The storage tank is a coil unit made entirely of AISI 316 L stainless steel totally insulated with self-extinguishing poly- D.h.w.
  • Page 12 Inside it features a solenoid valve which, in idle condition, permits the water to flow through a flow limiting device from 8 l/min (Victrix Zeus 20) or 10 l/min (Victrix Zeus 27) while, when it is operated, it opens a supplementary passage which is devoid a flow limiting device from 6 l/min...
  • Page 13 Technical Documentation Technical Documentation Motorised 3-way valve. PUMP RETURN D.H.W. SIGNAL HEATING SIGNAL COIL RETURN COMMON PLANT RETURN This is a 3-way electric valve operating on the return pipe by a special system of gears, involves rotation of a disc (6) of the primary circuit that permits, according to the type of fastened eccentrically on the shaft of the motor.

  • Page 14: Gas Valve

    Technical Documentation Technical Documentation Air-gas circuit. Gas valve. The gas valve features two main coils controlled by the electric circuit and a pneumatic control unit that modulates the exit- ing gas pressure at a 1:1 ratio at pressure (P1) detected at the Venturi pipe inlet.
  • Page 15 Technical Documentation Technical Documentation Fan. This operates upstream from the combustion chamber and is physically positioned at the bottom of the sealed chamber. It is controlled by the modulating control board with a posi- tive square wave signal with a variable ON-OFF (duty-cycle) ratio.
  • Page 16 flame up to a minimum output of: VICTRIX Zeus 20 = 4.000 kcal/h (20% of nominal heat power). VICTRIX Zeus 27 = 5.298 kcal/h (20% of nominal heat power). Ignition is by means of an electronic board (control unit) that controls the ignition (7) and detection (9) electrodes.

  • Page 17: Air-Gas Adjustment

    4000 kcal/h (VICTRIX Zeus 20) and 5298 kcal/h output and air-gas ratio (off-set). (VICTRIX Zeus 27).

  • Page 18: Gas Conversion

    Technical Documentation Technical Documentation Gas conversion. To check correctly and if necessary adjust the air-gas ratio, proceed as follows: The appliance can be adapted to a type of gas different to that - start the boiler in the chimneysweep mode and adjust the for which the boiler is factory set by using the special kits heating output trimmer on the modulating control board (natural gas or LPG).
  • Page 19 (5). top of the appliance. They directly cover the 4 (VICTRIX Zeus 20) or 5 (VICTRIX It is involved in the transit of the fumes and the condensation Zeus 27) elements of the primary exchanger fitted in the sealed water that has formed inside or in the exhaust pipes.
  • Page 20 Boiler generators with condensation technology must be installed using the new and specific series of suction and (type C). exhaust pipes conceived for use only with the Immergas condensation boilers. Exhaust. The boiler can be installed with a fan-assisted sealed chamber Connection to the exhaust pipes is through a flange (1) or...
  • Page 21 Technical Documentation Technical Documentation 60 /100 slot-in horizontal eccentric kit. 80/80 slot-in separator kit. The PPS exhaust pipe (60 mm Ø) is fitted inside the aluminium Both the suction and exhaust pipes (6 are 9) are made in PPS suction pipe (100 mm Ø). with an 80 mm diameter.
  • Page 22 With this kit it is possible to duct 60 mm Ø pipes of existing With this kit it is possible to duct 80 mm Ø pipes of existing stacks/flues/technical slots to be used with one Immergas stacks/flues/technical slots to be used with one Immergas condensation appliance only.

  • Page 23: Electrical Circuit

    Technical Documentation Technical Documentation Electrical circuit. (from the serial number 2753798 for VICTRIX Zeus 20) (from the serial number 2731813 for VICTRIX Zeus 27) ������� ������� ���� - Detection electrode - Maximum drawing solenoid valve ���� ������ - Line fuse ������...
  • Page 24 Clicson twin-con- (from the serial number 2753798 It is positioned on the condensation module close to the draught tact thermostat for VICTRIX Zeus 20) (from the serial number 2731813 diverter. for VICTRIX Zeus 27) Loads.

  • Page 25: Low-Voltage Circuit

    Technical Documentation Technical Documentation It diverts the flow of primary circuit water from the heating system to the storage tank coil and Electric 3-way diverter valve vice versa. (VD) It is powered by the modulating control board. This is energised by the ignition control unit (IGN. BOARD) when the burner has to be ignited. Gas valve (V/G) It is energised at mains voltage rectified by a diode bridge (U1) inside the gas valve connector.

  • Page 26: Operation With The Remote Control

    Technical Documentation Technical Documentation Electrical circuit. Heating phase. ������������ ����� ������ �������� ������� ������� ���� ������ ������������� ����������������� ���������� Operating with a room thermostat. Operation with the Remote Control. With the main switch (IG) on WINTER it powers the With the main switch (IG) on SUMMER, the modulating modulating control board and enables operation in the heat- control board and the Amico Remote Control (CR) are ing mode.
  • Page 27 Technical Documentation Technical Documentation Electrical circuit. Domestic Hot Water Phase. ������������ ����� ������ �������� ������� ������� ���� ������ ������������� ����������������� ���������� Operation. With the main switch (IG) on SUMMER or WINTER, the modulating control board is powered and operation in the domestic hot water mode is enabled.
  • Page 28 Technical Documentation Technical Documentation Modulating Control Board. ���� ���� ����� ������ �� �������������� ������� ����� PUMP FA N SWITC� SPEED POT. C.H. TEMP. SWITCH C.H. POT. The boiler features a microprocessor-controlled electronic During the ignition phase, the fan works at a speed equal to board used both on models with the electric 3-way diverter half the top speed set with the fan speed adjustment trimmer (FAN POT.).
  • Page 29 Technical Documentation Technical Documentation “Chimneysweep” request. During the ignition phase, the fan works at a speed equivalent to half the maximum speed set with the fan speed adjustment By pressing the reset button (PU1) for at least 10 seconds and trimmer (FAN POT.).
  • Page 30 Technical Documentation Technical Documentation Inputs. This is a signal from the control unit (IGN BOARD) that indicates burner ignition failure. The alarm is displayed by means of an error code on the display board monitor (01) or on the Amico Flame block remote control if mounted (see CR operation).
  • Page 31 Technical Documentation Technical Documentation Outputs. This signal enables the zone control unit to know the operating condition of the appliance (d.h.w./ Zone control unit (CZ) heating) and, if installed, to recognise the CR as the room thermostat of zone 1 (see zone control (external optional) unit operation).

  • Page 32: Safety Devices

    Technical Documentation Technical Documentation Safety devices. The circulator is started for 60 seconds after: Circulator antilock - 24 hours of inactivity with the SUM/WIN switch on SUMMER - 3 hours of inactivity with the SUM/WIN switch on WINTER (radiator antifreeze). If, within 10 seconds from the start of the ignition cycle, the ionisation electrode (E3) fails to detect the flame on the burner, the control unit (IGN BOARD) sends a signal to the modulating control Failed ignition lock...
  • Page 33 Technical Documentation Technical Documentation Indicators (display board). Green Led that comes on when the boiler is working in the heating and antifreeze modes. Green Led that comes on when the boiler is working in the domestic hot water mode. Orange Led that comes on when the boiler is working. Depending on conditions, it indicates: - The temperature read by the delivery sensor during operation in the heating, d.h.w., antifreeze and chim- neysweep modes.

  • Page 34: Heating Phase

    Technical Documentation Technical Documentation VICTRIX Zeus operating sequence. Heating phase Domestic hot water phase Switching on Switching on Main switch on Winter Main switch on Summer or Winter Ú Ú Adjustment board and CR powering Adjustment board and CR powering (Remote Control) (Remote Control) Closing of the main switch contacts (Winter position) powers the...

  • Page 35: Technical Data

    Technical Documentation Technical Documentation Technical data. VICTRIX Zeus 20 technical data. Rated heating power kW (kcal/h) 24.0 (20622) Min. heating power kW (kcal/h) 5.0 (4301) Rated heat output (useful) kW (kcal/h) 23.5 (20210) Min. heat output (useful) kW (kcal/h) 4.7 (4000) Useful thermal efficiency 80/60 Rated/Min.
  • Page 36 Technical Documentation Technical Documentation VICTRIX Zeus 27 technical data. Rated heating power kW (kcal/h) 32.0 (27551) Min. heating power kW (kcal/h) 6.6 (5634) Rated heat output (useful) kW (kcal/h) 31.4 (27000) Min. heat output (useful) kW (kcal/h) 6.2 (5298) Useful thermal efficiency 80/60 Rated/Min. 98.0 / 94.0 Useful thermal efficiency 50/30 Rated/Min.
  • Page 37 Technical Documentation Technical Documentation Variable heat output VICTRIX Zeus 20. NATURAL GAS (G20) BUTANE (G30) PROPANE (G31) HEAT HEAT BURNER GAS BURNER NOZZLE BURNER GAS BURNER NOZZLE BURNER GAS BURNER NOZZLE OUTPUT OUTPUT FLOWRATE PRESSURE FLOWRATE PRESSURE FLOWRATE PRESSURE (kW)

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