Immergas Zeus Superior Manual
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Immergas Zeus Superior Manual

Wall-hung, room sealed boilers with storage tank
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ZEUS
Superior kW
Wall-hung, room sealed boilers
with storage tank

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Summary of Contents for Immergas Zeus Superior

  • Page 1 ZEUS Superior kW Wall-hung, room sealed boilers with storage tank...

  • Page 3: General Features

    The ZEUS Superior kW series boilers are available with useful The boiler operating parameters are set using the buttons and heat output of 24 kW (20,640 kcal/h), 28 kW (24,080 kcal/h) knobs while the status display, the functioning mode and the and 31.7 kW (27,250 kcal/h) with useful efficiency exceeding...
  • Page 4 R - C.H. return DOMESTIC M - C.H. flow SYSTEM WATER RC - D.H.W. re-circulation (option) AC - D.H.W. flow AF - Domestic cold water inlet 1/2” 3/4” 3/4” 1/2” 1/2” V - Power supply connection STZSkW ed 12/07 ZEUS Superior kW...
  • Page 5 Technical Documentation Technical Documentation ZEUS Superior kW control panel. Key: 11 - Boiler connected to remote control (Optional) - Stand-by button - On 12 - Operating in summer mode A - Functioning mode selection button 13 - Anti-freeze function in progress...
  • Page 6 Technical Documentation Technical Documentation ZEUS Superior kW main components. Key: 1 - Filling valve 15 - Stainless steel storage tank 2 - Draining valve 16 - 3 bar safety valve 3 - Motorized 3 - way valve 17 - 8 bar safety valve...
  • Page 7 Technical Documentation Technical Documentation ZEUS Superior kW hydraulic layout. 18 - System pressure switch 1 - Gas valve 2 - Stainless steel storage tank coil 19 - Draining valve 20 - Motorized 3 - way valve 3 - Magnesium anode...

  • Page 8: Operation

    The graph below illustrates the characteristic curves diverted to the storage tank coil (2). according to the by-pass adjustment. This depends on the position of the electric 3-way valve (20) ZEUS Superior 24 kW Flow rate Litres/h ZEUS Superior 28 kW Flow rate Litres/h A = Head available to the system at maximum speed with by-pass excluded (adjusting screw completely tightened) B = Head available to the system at maximum speed (screw tightened by 1.5 revulution with respect to the completely loose adjusting screw)

  • Page 9: Boiler Pump

    Technical Documentation Technical Documentation ZEUS Superior 32 kW Flow rate Litres/h A = Head available to the system at maximum speed with by-pass excluded (adjusting screw completely tightened) B = Head available to the system at maximum speed (screw tightened by 1.5 revulution with respect to the completely loose adjusting screw) C = Head available to the system at maximum speed with by-pass open (adjusting screw completely loose) Boiler pump (1).
  • Page 10 (DHW or central heating request). PUMP RETURN COIL RETURN SYSTEM RETURN STZSkW ed 12/07 ZEUS Superior kW...
  • Page 11 The vessel has a 10-litre capacity (7.1 liter useful capacity) and a 1.0 bar factory set pressure. It is located above the storage tank and is connected to the 3-way valve group by a copper pipe. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 12 In order to replace the air vent valve remove the relevant blocking clip and extract the valve (9) paying attention not to damage the relative O-ring. N.B.: when remounting the air vent pay particular attention that the O-ring is inserted correctly. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 13 (4). The above arrangement prevents circulation within the central heating circuit and allows for circulation within the coil (4). The coil surface allow for absorbing of heat in the primary STZSkW ed 12/07 ZEUS Superior kW...

  • Page 14: Storage Tank

    (32 kW), a storage tank draining valve with hose union (12) and a one-way valve (see hydraulic cir- cuit paragraph, detail “5”) in order to ensure that increased pressure DHW does return toward water mains supply. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 15 It is located at the front of the burner near the ignition elec- M o d u l a t i o n trodes. coil Gas valve connector Common STZSkW ed 12/07 ZEUS Superior kW...

  • Page 16: Gas Adjustments

    Key: 1 - Coil 2 - Minimum power regulation screws 3 - Maximum power regulation nut 4 - Gas valve outlet pressure socket 5 - Gas valve inlet pressure socket 6 - Protective hood STZSkW ed 12/07 ZEUS Superior kW...
  • Page 17 (3) which allows combustion air intake from the outside. Correct flue exhaust flow is ensured by a pres sure switch (6) which enables (or does not) burner ignition. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 18 In the lower external part of the sealed chamber, there are two pres sure points, which can be used to verify the signal on either end of the flue pressure switch (6). The negative pressure point (9) is connected to a silicone STZSkW ed 12/07 ZEUS Superior kW...
  • Page 19 Technical Documentation Intake and exhaust systems. (see intake and exhaust terminals instructions). The ZEUS Superior kW boiler is arranged for connection to the appropriate push-fitting intake/exhaust pipes and can be installed inside the home or outside the home (in a partially protected place) in the following configurations.
  • Page 20 (4). is snap-fit type and sealing is ensured by the relevant silicone Maximum allowed overall length without considering the first lip seals. bend (2) is 7.3 straight horizontal meters. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 21 Ø 125 mm concentric pipe. Maximum allowed length is 33 straight meters (air + flue). In order to avoid problems with condensate, flue duct length is to be limited to 12 meters. STZSkW ed 12/07 ZEUS Superior kW...

  • Page 22: Electric Circuit

    CAR - Comando Amico Remoto remote control (option) Control and safety devices run partly on 230 V AC power The electrical circuit on ZEUS Superior kW is a total slave to the inte grated electronic microprocessor P.C.B. which controls supply voltage and partly on low voltage.

  • Page 23: Low Voltage Circuit

    When CAR is installed, the pre-existing X40 jumper is to be operation (CAR) eliminated. Voltage from 0.5 Act on the integrated P.C.B. and enable functioning of the burner Flue flow meter (B7) when flue evacuation takes place correctly. to 4.5 volts DC STZSkW ed 12/07 ZEUS Superior kW...
  • Page 24 Using the Display and according to the keys selected the operating values and the error codes that have intervened on the boiler are shown. CAIUS BUS output Allows the connection of electronic deviceas e.g. Immergas Virgilio palmtop. STZSkW ed 12/07 ZEUS Superior kW...

  • Page 25: Operating With Remote Control

    This allows to start the controlled ignition cycle, firstly the ignition electrodes (E1) and successively, both gas valve coils (Y1). Ignition of the burner is detected by the P.C.B. by means of the ionization electrodes (E2). STZSkW ed 12/07 ZEUS Superior kW...
  • Page 26 This allows to start the controlled ignition cycle, firstly the ignition electrodes (E1) and successively, both gas valve coils (Y1). Ignition of the burner is detected by the P.C.B. by means of the ionization electrodes (E2). STZSkW ed 12/07 ZEUS Superior kW...
  • Page 27 P.C.B. powers Every time the burner is switched off the fan operates for a the boiler pump (M1) through relay K3, after which, through further 30 seconds. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 28 (0.5 °C per minute). STZSkW ed 12/07 ZEUS Superior kW...
  • Page 29 Technical Documentation Technical Documentation Inputs. BUS input Allows the connection of electronic devices e.g. Immergas Virgilio palmtop. (external optional) Zone control unit (CZ) It sends signals to the P.C.B. regarding function requests from zone valves or external pumps (see zones control unit function).
  • Page 30 It is a contact, which on opening, allows the board to identify and Safety thermostat Functioning OFF display the eventual intervention of the safety thermostat (E4) with Closed = (E4) an error code "ERR 02". Functioning ON STZSkW ed 12/07 ZEUS Superior kW...
  • Page 31 (see CAR oiperation) probe. BUS output It is a signal that allows the circuit board to communicate with external devices (e.g. (external optional) ImmergasVirgilio palmtop). STZSkW ed 12/07 ZEUS Superior kW...

  • Page 32: Safety Devices

    Electro-mechanical contacts block the problem persists after 6 verification cycles, boiler functioning is prevented. (safety thermostat) To re-start the appliance, press "C" to "Reset" and successively make a domestic hot water or a heating request. STZSkW ed 12/07 ZEUS Superior kW...

  • Page 33: Ignition Block

    In order to avoid overheating the water-gas exchanger, when the boiler temperature read Flow overheating by NTC flow probe (B1) exceeds 95 °C, the fan starts until the temperature falls below ventilation 90 °C. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 34 Domestic hot water priority button ( ) exchanger of 55 °C in order to satisfy the setting of 45 °C in heating made using the selector (3). Reset (RESET)/menu exit (ESC) button Menu entry(MENU)/data confirmation(OK) button STZSkW ed 12/07 ZEUS Superior kW...
  • Page 35 In presence of the external probe (Optional) it replaces the “SET” entry. The value that appears is the correction of the flow temperature with respect to the operating curve set by (OTCCORR) the external probe. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 36 Technical Documentation Technical Documentation Circuit board programming. The ZEUS Superior kW boiler is prepared for eventual Important: if the international language is to be restored (A1), programming and customisation of several functioning proceed as follows: parameters. - press button “D” to enter the configuration menu.
  • Page 37 Remote Control or TA are out GENCY)  of order. (EMERG.)  RESET By pressing button “D” the customisations selection (RESET made are reset, restoring the values set in ALL) the factory  STZSkW ed 12/07 ZEUS Superior kW...
  • Page 38 (MAX. EXT (adjustable from 5°C to +25°C) 25°C N.B.: the parameter must be confirmed in order to continue (press “D” or exit from “P66” regulation by pressing “C” STZSkW ed 12/07 ZEUS Superior kW...
  • Page 39 RELE3.4 ignition request of the burner in the boiler. -10°C ÷ If the reading of the external probe is incorrect, it can be corrected to (EXT. T. 0°C +10°C compensate any environmental factors. CORR) STZSkW ed 12/07 ZEUS Superior kW...
  • Page 40 Technical Documentation Technical Documentation Signals and anomalies. The ZEUS Superior kW boiler signals any anomalies by means described in the following table. To eliminate the block (where of a flashing symbol (5) coupled to the indication “ERR xx” necessary), press the RESET button "C" positioned on the on the indicator (6) where “xx”...

  • Page 41: Technical Data

    Technical Documentation Technical Documentation Technical Data. ZEUS Superior kW technical data. Zeus Superior 24 Zeus Superior 28 Zeus Superior 32 Nominal heat input kW (kcal/h) 25,6 (22028) 29,8 (25644) 33,6 (28910) Minimum heat input kW (kcal/h) 10,6 (9122) 13,3 (11402)

  • Page 42: Combustion Parameters

    Technical Documentation Technical Documentation Combustion parameters. Zeus Superior 24 kW Gas nozzle diameter 1,35 0,79 0,79 Supply pressure mbar (mm H 20 (204) 29 (296) 37 (377) Flue flow rate at nominal heat output kg/h Flue flow rate at minimum heat output kg/h at Q.
  • Page 43 Technical Documentation Technical Documentation ZEUS Superior 24 kW variable heat output. METHANE (G20) BUTANE (G30) PROPANE (G31) HEAT HEAT BURNER GAS BURNER BURNER GAS BURNER BURNER GAS BURNER OUTPUT OUTPUT FLOW RATE NOZZLES PRESSURE FLOW RATE NOZZLES PRESSURE FLOW RATE...
  • Page 44 Technical Documentation Technical Documentation ZEUS Superior 32 kW variable heat output. METHANE (G20) BUTANE (G30) PROPANE (G31) HEAT HEAT BURNER GAS BURNER BURNER GAS BURNER BURNER GAS BURNER OUTPUT OUTPUT FLOW RATE NOZZLES PRESSURE FLOW RATE NOZZLES PRESSURE FLOW RATE...
  • Page 45 Cut off cock kit with filter code 3.015350 code 3.015854 Additional system expansion vessel kit Cut-off cock kit code 3.018433 code 3.4297 The boiler can be used with DIM (Multi-system Water Cut-off) which is available in 5 recessed kits. STZSkW ed 12/07 ZEUS Superior kW...

  • Page 46: Troubleshooting

    Error 03 appears on the display See error 03 b-section The ignition electrodes perform the Error 31 appears on the display See error 01 a-section discharge. (wait for the board to perform two ignition cycles). STZSkW ed 12/07 ZEUS Superior kW...
  • Page 47 See section D stays at the set storage See section D adjust it to maximum adjust it to maximum temperature. tank temperature. if necessary. if necessary. The heating request is satisfied. The heating request is satisfied. STZSkW ed 12/07 ZEUS Superior kW...

  • Page 48: Error Codes

    N.B.: in order to have a reliable measurement the signal must be Restore the electric connection/replace the wiring. read for at least one minute. To be OK the voltage can be measured for only a few seconds. Replace the fan. STZSkW ed 12/07 ZEUS Superior kW...
  • Page 49 Replace the storage tank NTC probe. If the anomaly should persist, replace the circuit board. ERROR 13 Flue flow meter out of range Once the boiler has been reset, the anomaly occurs again under the form of Error 15 (see error15 section). STZSkW ed 12/07 ZEUS Superior kW...
  • Page 50 The board automatically recognises the type of boiler by the relative wiring of the circuit board. For Zeus Superior kW boilers, check the following connections. - sealed chamber configuration: check the presence of connection jumper between clamps 1-3 of con- The board is configured for sealed chamber boiler with storage nector X19;...
  • Page 51 The Remote Control is connected correctly. Check the connection between the circuit board (clamps 42-43) and N.B.: only remote controls supplied by Immergas can be used (CAR remote control (IN+ e IN-) performed respecting polarity and using a or SuperCAR).
  • Page 52 - with the aid of the single wire wiring diagram, use the tester to check there is no voltage on both main power supply cables of the main coils of the gas valve (see gas circuit chapter). STZSkW ed 12/07 ZEUS Superior kW...

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