Related Manuals for Immergas EOLO Star 23 kW
Summary of Contents for Immergas EOLO Star 23 kW
- Page 1 EOLO Star 23 kW Instantaneous wall-hung with room-sealed boilers S.C FUTURE LINE INSTAL S.R.L str. Biharia nr.67-77, sector 1, Bucuresti, ROMANIA serviceimmergas.ro Dispecerat Non Stop Tel. Fix : 021-201.11.14 http://serviceimmergas.ro...
- Page 2 http://serviceimmergas.ro...
- Page 3 (type C) fan-assisted boiler. EOLO Star 23 kW General features. EOLO Star 23 kW is a wall-hung, room-sealed fan-assisted The hydraulic circuit is equipped with a copper bithermal type boiler for heating and production domestic hot water. water-gas exchanger for the production of hot water for central...
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Page 4: Main Components
10 - Pressure point, negative signal 25 - Burner 11 - Flue pressure switch 12 - Delivery probe 13 - Safety thermostat 14 - System expansion vessel 15 - Automatic air vent http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... -
Page 5: Control Panel
5 - Push button (+) to increase system water temperature 13 - Summer 6 - Push button (-) to reduce system water temperature 14 - Power supplied 7 - Boiler pressure gauge 15 - Burner operating 8 - D.h.w. functioning mode http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... -
Page 6: Hydraulic Circuit
(7) which, in turn, transfers it to the water circulating inside thanks to the boiler circulator (16). The hot water is then transferred directly into the central heat- http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... -
Page 7: Boiler Circulator
A = Head available to the system at third speed delivery B = Head available to the system at second speed System return Exchanger pipe section System D.h.w. central circuit heating circuit http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... - Page 8 1.0 bar. It is located on the right of the boiler alongside the sealed chamber and is connected to the return manifold (1) by a copper pipe (6) with threaded fittings. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
- Page 9 It consists of two blocks (one in brass and one in plastic) that are coupled together and locked with a pin (3). An 8.0 l/min (2 bar) flow limiter (1) is installed at the flow switch exit. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
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Page 10: Gas Circuit
This is a low voltage coil controlled by the integrated board. It controls the gas valve stabiliser and permits changing of the outlet pressure in a way proportionate to the DC running through it. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... -
Page 11: Gas Settings
1 - Coil 2 - Minimum power adjustment screw 3 - Maximum power adjustment nut 4 - Gas valve outlet pressure point 5 - Gas valve inlet pressure point 6 - Protection cap http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... - Page 12 flue pressure switch (5) and to the pressure point at the outlet of the Venturi tube fitted at the end of the fan exhaust. The positive pressure point (10) is connected directly to the inside of the sealed chamber. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
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Page 13: Flue Pressure Switch
Flue pressure switch Pa (mm H Pa (mm H triggering pressures EOLO Star 23 kW 150 (15.3) 130 (13.26) (from serial number 3078555) It is located at the top, inside the sealed chamber and, by means of the relative points, measures the difference in pressure between the fan output (negative signal) and the inside of the sealed chamber itself (positive signal). - Page 14 Technical Documentation Extraction and exhaust systems. Intake and Exhaust Kits. The EOLO Star 23 kW is designed for being connected to the The kits and their accessories permit use of four concentric special intake/exhaust coupling pipes. systems and two split systems.
- Page 15 125 mm Ø pipe. The maximum permitted length is 33 straight metres (aspira- tion + exhaust). To avoid condensate problems, the exhaust pipe is limited to a maximum of 12 metres. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
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Page 16: Electrical Circuit
- Gas valve modulation coil - Detection electrode - Safety thermostat The electrical circuit of the EOLO Star 23 kW boiler is man- aged 100% by a microprocessor driven p.c.b. which controls the boiler’s functions. Some of the control and safety devices operate at mains voltage (230 Vac) while others at low voltage. -
Page 17: Low Voltage Circuit
This acts on the integrated board and enables burner operation Flue pressure switch when the fumes are expelled correctly. Changing (S6) When closed and the fan is off, it does not enable the start of the contact ignition cycle. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... - Page 18 It is located at the main exchanger outlet. contact Loads. Gas valve modulation coil It is powered by the integrated board with a variable continuous current. (Y2) It permits varying of the gas pressure to the burner. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
- Page 19 first of all supplying the ignition electrode (E1) and then both the coils of the gas valve (Y1). Burner ignition is detected by the integrated board by means of the ionisation electrode (E2). http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
- Page 20 K2 which causes the 2 contacts to close and the ignition cycle to start, first of all triggering the ignition electrode (E1) and then both the coils of the gas valve (Y1). http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
- Page 21 When the room thermostat (S20) closes the integrated board powers the boiler circulator (M1) by means of relay K3. In the meantime, if the flue pressure switch (S6) contact is idle “NC”, the adjustment circuit powers the fan (M20) by http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
- Page 22 150 seconds. The water in the primary circuit is kept below 42°C during operation because if this temperature is reached the board switches the burner off. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
- Page 23 It is a switch with free contacts that sends a (low voltage) signal to heating OFF (S20) the board, enabling operation in the central heating mode when Closed = Central room temperature is below that requested. (external optional) heating ON http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
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Page 24: Safety Devices
flue pressure switch) To get the boiler working again, press the “Reset” button (S3) and then make either a (from October 2005) d.h.w. or central heating request. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... - Page 25 To prevent the water-gas exchanger from overheating, if the boiler temperature detected by Delivery overtemperature the NTC delivery probe (B1) exceeds 90°C, the fan is switched on until the temperature ventilation drops below 85°C. http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW...
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Page 26: Operating Indicators
Display powered Boiler in the central heating mode Symbol 11 on Boiler in the d.h.w. mode Symbol 8 on Burner on Symbol 15 on Ongoing chimneysweep function Symbols 8 and 11 flashing simultaneously http://serviceimmergas.ro STESkW ed 05/06 EOLO Star 23 kW... - Page 27 Central heating ramp timer Programming the integrated board. The EOLO Star 23 kW boiler is designed so that some of its - modify the corresponding value with push buttons (5) and operating parameters can be programmed if wanted.
- Page 28 Solar panel selection. This function is useful for setting the Note: the EOLO Star 23 kW boiler is made and calibrated at boiler so that it can work with solar panels. the nominal output in the central heating phase. But you need about 10 minutes for it to reach the nominal heating output, By setting parameter P0 to on “solare”...
- Page 29 Technical Documentation Technical Documentation EOLO Star 23 kW operating sequence Central heating phase Domestic hot water phase Power on Power on Boiler functioning button on Winter Boiler functioning button on Summer or Winter Ú Ú Enabling integrated board operation Enabling integrated board operation...
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Page 30: Technical Data
Technical Documentation Technical Documentation Technical data. EOLO Star 23 kW technical data. Rated heating power kW (kcal/h) 25,1 (21586) Min. heating power kW (kcal/h) 7,9 (6834) Rated heat output (useful) kW (kcal/h) 23,8 (20485) Min. heat output (useful) kW (kcal/h) 7,0 (6000) Useful thermal efficiency at rated output... - Page 31 Technical Documentation Technical Documentation EOLO Star 23 kW variable heat output. NATURAL GAS (G20) BUTANE (G30) PROPANE (G31) HEAT HEAT BURNER GAS BURNER NOZZLE BURNER GAS BURNER NOZZLE BURNER GAS BURNER NOZZLE OUTPUT OUTPUT FLOW RATE PRESSURE FLOW RATE PRESSURE...
- Page 32 http://serviceimmergas.ro...