Immergas NIKE Star 24 3 E Technical Documentation Manual
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Immergas NIKE Star 24 3 E Technical Documentation Manual

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Summary of Contents for Immergas NIKE Star 24 3 E

  • Page 2 Small wall-mounted open chamber, conventional flue instant boiler. NIKE Star 24 3 E General features. NIKE Star 24 3 E is a wall-mounted, open combustion cham- allows the visualisation and adjustment of the functioning ber, conventional flue generator for the heating and production parameters.

  • Page 3: Main Components

    17 - Rapid heat exchanger 7 - Flue safety thermostat 8 - Safety thermostat 18 - Ignition and detection electrodes 19 - Burner 9 - Flow probe 10 - System expansion vessel STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 4: Control Panel

    15 - Flame presence 5 - Button(+) to increase the system water temperature 6 - Button (-) to reduce the system water temperature 7 - Boiler manometer 8 - Domestic hot water functioning STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 5: Hydraulic Circuit

    (7) which then gives the heat up to the water made to circulate inside the boiler pump. The hot water is introduced directly into the central heating STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 6: Boiler Pump

    Domestic hot water outlet Return System system flow Flow rate (l/h) Portata (l/h) A = Head available to the plant. Heat exchanger pipe section System central DHW circuit heating circuit STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 7 1.0 bar. It is positioned on the right side of the boiler at the side of the sealed chamber and is connected to the pump body (2) by means of a copper pipe. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 8 A G1/4" thread is present on the body to which the system is higher than 25 French degrees). filling unit is connected (3). A 7.1 l/min flow limiter is inserted at the outlet of the flow STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 9 It is a low voltage coil that is controlled by the integrated. connector (2) (see wiring diagram). Modulation Coil Modulation Coil Connector viewed Connector viewed from the gas valve from the gas valve EV2 = 230V Common STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 10 P.C.B. to conclude the ignition cycle and to vary the gas pressure as required. It is positioned on the front of the burner in correspondence with the central ramp. Nominal position on the third pair of slots STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 11: Gas Adjustments

    (2) to increase pressure to the boiler and in an anti-clockwise manner to decrease it, making sure the brass nut is blocked (3). STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 12: Gas Transformation

    CH mode can be set using parameters (see integrated P.C.B. functioning). The burner ignition pressure is not adjusted as the particu- lar functioning of the P.C.B. does not require this type of calibration (see integrated P.C.B. functioning). STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 13 At this point it is possible to lift the heat exchanger in a way to free it from the coupling with the relative pipes. N.B.: when restoring the connection between bithermal heat exchanger and pipes, pay particular attention to the correct STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 14: Electric Circuit

    Y2 - Gas valve modulator E4 - Safety thermostat E6 - Flue safety thermostat The electric circuit of the NIKE Star 24 3 E is completely interlocked to a P.C.B. with integrated microprocessor, which controls the functions of the generator.

  • Page 15: Low Voltage Circuit

    Allows to unblock the boiler after ignition block safety intervention Reset Button or over-heating, it allows to activate the chimney sweep function. Button (S3) If pressed together with the functioning mode selector switch (S2), it allows to set boiler parameters. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 16 It is positioned at the exit of the main heat exchanger. closed contact Loads. Gas valve modulator It is powered by the integrated P.C.B. with variable direct current. It allows to vary the gas pressure at the burner. (Y2) STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 17 (see integrated P.C.B. functioning). electrode (E3) and simultaneously, both the coils of the gas valve (Y1). The ignition of the burner is detected by the integrated P.C.B. by means of the ionisation electrode (E3). STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 18: Dhw Mode

    2 contacts, allowing to start the ignition cycle, first controlling the ignition electrode (E3) and successively, both coils of the gas valve (Y1). The ignition of the burner is detected by the integrated P.C.B. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 19 On closure of the room thermostat (S20), if the contact of the system pressure switch (S5) is closed (pressure detected in the primary circuit exceeding the minimum value) the integrated P.C.B. powers the boiler pump (M1) by means of relay K3. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 20 During functioning, the water in the primary circuit remains below 42 °C as on reaching this temperature the board switches the burner off. The function is always active independently from the selection made on the functioning mode selector switch. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 21 Closed = request evacuation takes place correctly. Flue safety thermostat If there is only little flue draught, act on the integrated P.C.B. (E6) Open = request blocking boiler functioning for 30 minutes. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 22 To re-start the appliance, press the “Reset” button (S3) and then make a central heating thermostat) or domestic hot water request. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 23 Breakage of the domestic hot water probe (B2) is signalled with the display of the error code 06 on the boiler display and prohibits functioning in domestic hot water mode, but functioning in central heating mode is allowed. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 24 Display powered Boiler in CH mode Symbol 11 on Boiler in DHW mode Symbol 8 on Burner on Symbol 15 on Chimney sweep function in progress Symbols 8 and 11 flash simultaneously STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 25 Control and adjustment buttons. 15 seconds; The NIKE Star 24 3 E boiler has buttons that allow to select the - Using buttons (3) and (4), select the parameter to be changed function status of the boiler, adjust the water temperature in CH indicated in the following table: and DHW mode and to set the boiler functioning parameters.
  • Page 26 (Standard setting) - off Solar panels selection. The setting of this function is used to Heating output. The NIKE Star 24 3 E boiler is fitted with set the boiler in order to function with the use of solar panels.

  • Page 27: Technical Data

    Technical documentation Technical documentation Technical Data. NIKE Star 24 3 E technical data. Nominal heat input kW (kcal/h) 25,9 (22279) Minimum heat input kW (kcal/h) 8,1 (6968) Nominal heat output (useful) kW (kcal/h) 23,6 (20296) Minimum heat output (useful) kW (kcal/h)
  • Page 28 58 / 12 110 / 15 97 / 12 Flue temperature at nominal output °C Flue temperature at minimum output °C NIKE Star 24 3 E variable heat output. METHANE (G20) BUTANE (G30) PROPANE (G31) HEAT HEAT BURNER GAS PRESS. UGELLI BURNER GAS PRESS.
  • Page 29 Wall-mounted boiler connection unit kit cod. 3.016362 cod. 3.015229 Cut-off cocks kit Polyphosphate dispenser kit cod 3.4297 cod 3.013860 Telephone control GSM telephone control kit cod. 3.013305 cod. 3.017182 "Plantilla" connection plate kit cod. 3.017364 STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 30: Ignition Cycle

    Technical documentation Technical documentation NIKE Star 24 3 E troubleshooting. Before every intervention: Check that the gas, water and electricity are correctly connected Before maintenance interventions or replacement of compo- to the boiler, according to that indicated in the data plate and nents, remove the electric power supply upstream from the the instruction manual.
  • Page 31 ∆T); error 28. error 28 - the bithermal heat exchanger is clean and replace it, if necessary. The central heating request is satisfied. The domestic hot water request is satisfied. STNS3E ed 09/08 NIKE Star 24 3 E...

  • Page 32: Error Codes

    - the suitability of the flue exhaust pipes (measurements, pathways, position on the roof, etc...). Both checks must be performed with respect to local regulations. Replace the flue safety thermostat. If the anomaly persists, replace the P.C.B. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 33 - the correct functioning of any thermostatic valves. The NTC flow probe is OK (10 kΩ at 25°C). Replace NTC probe. Check/clean/replace the bithermal heat exchanger. If the anomaly persists, replace the P.C.B. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 34 N.B.: it is possible to use only remote controls supplied by Immer- The remote control connection must be made using a dedicated line in gas. order to prevent interference. Replace the remote control. If the anomaly persists, replace the P.C.B. STNS3E ed 09/08 NIKE Star 24 3 E...
  • Page 35 - with the help of the single wire wiring diagram, use a tester to check that there is no voltage on either power supply cables of the gas valve main coils (see gas circuit chapter). STNS3E ed 09/08 NIKE Star 24 3 E...

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