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ELECTRIC ONLY HEATING WALL BOILER
series Small 12 N
USE AND MAINTENANCE MANUAL
CE APPLIANCES IN COMPLIANCE WITH EUROPEAN DIRECTIVE 2006/95/EC. Built and compliant with the
following standards: IEC 60335-2-21:2012, IEC 60335-1:2010, EN 60335-2-21:2003 + A1:2005 + A2:2008 - EN
60335-1:2012 - EN 62233:2008
®
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Summary of Contents for Fiamma GuiVal Elektra SMALL N Series
- Page 1 ® ELECTRIC ONLY HEATING WALL BOILER series Small 12 N USE AND MAINTENANCE MANUAL CE APPLIANCES IN COMPLIANCE WITH EUROPEAN DIRECTIVE 2006/95/EC. Built and compliant with the following standards: IEC 60335-2-21:2012, IEC 60335-1:2010, EN 60335-2-21:2003 + A1:2005 + A2:2008 - EN 60335-1:2012 - EN 62233:2008...
- Page 3 Company group FIAMMA GIRO s.r.l. rejects all responsibility for possible inaccuracies contained in this document, due to either printing or transcription errors. The company also reserves the right to make any changes deemed useful or necessary to its products, without prejudice to the...
- Page 4 WARNINGS: THIS APPLIANCE MAY BE USED BY CHILDREN FROM 8 YEARS OF AGE AND OVER AND BY PERSONS WITH REDUCED PHYSICAL, SENSORY OR MENTAL CAPABILITIES OR LACK OF EXPERIENCE AND KNOWLEDGE, PROVIDED THAT THEY SUPERVISED HAVE RECEIVED INSTRUCTIONS FOR THE SAFE USE OF THE APPLIANCE, SO THAT THEY UNDERSTAND THE RISKS INVOLVED.
- Page 5 OVERALL DIMENSIONS The SMALL N series develops on a single level of power with the following dimensions: SMALL 12 N 12 kW maximum electric power ba r d i g it a l e l e c t ro n i c O N / OF F s y s te m ...
- Page 6 HYDRAULIC CONNECTIONS - Connection arrangement diagram: Central Heating Delivery: ¾” M Central Heating Return: ¾” M VSR Central Heating Safety Valve (0.3 MPa - 3 bar): ½” F The appliance is designed to be continuously connected to the water mains without intermediate fittings.
- Page 7 MAIN TECHNICAL FEATURES Elektra SMALL 12 N 12 kW maximum electric power Single-phase power supply: 230-240 V - 50 Hz Weight: 31 kg. Central heating system: 12 kW electric/thermal power from no.2 heating elements (no.2 of 3x2 kW). Maximum head available to the circulator approx 7 m. Expansion vessel capacity 9 litres.
- Page 8 CONTROL PANEL General Display Hydrometer switch The control panel is composed of: display, function selection keys, general switch and the hydrometer it si placed in the lower left corner in front of the unit (see image above). Using analogical hydrometer The analogical hydrometer control panel has a dial with unit of measure in a bar, by 0 to 6 bar.
- Page 9 Keyboard panel (Control panel) Meaning of keys in user mode Function Change settings and parameters (J5) Change settings and parameters (J6) - ON - OFF switching (long press) ON/OFF (J7) - Display temperature output / Display setpoint output - Unlock error of safety thermostat MODE (J4) Summer - Winter switching (long press) Display / Increase of heating setpoint (or room temperature)
- Page 10 SWITCHING ON THE BOILER The boiler is switched on by pressing the luminous main switch found on the left of the display in the dashboard. If the boiler is connected to a single-phase power supply source, the button lights up when pressed (230-240 V - 50 Hz). Then, it shall be pressed the ON- OFF (J7) on the keypad to switch the power from standby to the operating position, the display will light up of blue and will appear various symbols signaling function/faults etc.
- Page 11 The display has several symbols, signaling in addition to operation modes, also the various alarm or system displays: Symbol Meaning Anomalies presents Power resistors energization request Heating request Parameter menu enabled Antifreeze request Winter mode Summer mode OFF mode Level of The instantaneous power of the boiler is indicated from 0 to 100% modulation At each Power-on the firmware revision of the electronic board appears for a few seconds...
- Page 12 INSTALLATION TECHNICAL NOTE FOR THE INSTALLER AND THE MAINTENANCE TECHNICIAN. PLUMBING DIAGRAM version: SMALL N 12 kW SYSTEM DIAGRAM LEGEND: 1 Central heating circuit expansion tank 9 litres 7 Pressure switch 2 Electric boiler body 12 kW 8 Safety valve 3 bar (central heating) 3 Bimetal safety thermostat 100°C 9 Exhaust tap (air vent) 4 Central heating water temperature probe...
- Page 13 WIRING DIAGRAM (single phase) black black brown brown blue brown white yellow blue brown...
- Page 14 GENERAL WIRING DIAGRAM - POWER (Single-phase) Legend of wiring diagrams Phase 230 Vac Neutral 230 Vac Contactor sectioned phase Pump Gate command, triac no. 1 (12 kW version - 4 kW load) Gate command, triac no. 2 (12 kW version - 2 kW load) Gate command, triac no.
- Page 15 TRIAC - Wiring diagram ..12 kW GATE G2 TRIAC 2 (2 kW) WHITE from point 2 jack J6 BLACK sec. 2,5 mm GATE G3 TRIAC 3 (4 kW) BLACK from point 1 jack J4 BLACK sec. 4,0 mm GATE G4 TRIAC 4 (2 kW) RED from point 2 jack J7...
- Page 16 FACTORY CONSTANTS Function Value Maximum primary circuit temperature 80 °C Circulator lock prevention operation time 10 sec Circulator lock prevention activation time 24 hours Anti-freeze temperature On (circulator only) < 8 °C Anti-freeze Temperature On (circulator and power) < 5 °C Anti-freeze Temperature Off >...
- Page 17 Total No. of heating elements Value power used and power of each TRIAC [kW] [kW] [kW] [kW] [kW] element no. 2 heating elements, power 3 x 2kW Description Value Boiler with PSA water pressure switch connected to poles 1 and 2 (J16 PCB) Boiler with pressure transducer connected to poles 1, 2 and 3 (J16 PCB) The board is configured for operation with P12=1, but the presence of errors...
- Page 18 PRIMARY EXCHANGER MANAGEMENT (BOILER BODY) Depending on the power level required during the "heat demand", all or part of the controls from G1 to G4 relating to the primary exchanger are switched on. The activation of each command is controlled within an interval of 4 seconds. The higher the power required, the more the command will remain active in this interval.
- Page 19 Examples of curves with T set to 20°C + JP7 = 0 Examples of curves with T set to 20°C + JP7 = 1 room room dc=5 dc=8 dc=1 0 dc=5 dc=8 dc=1 dc=1 ,5 dc=1 5 dc=2 0 dc=2 5 dc=3 0 dc=3 5 dc=2...
- Page 20 DEGASSING FUNCTION During the degassing function activated by simultaneously pressing the MODE (J4) button and ON / OFF (J7). During this function it is alternating operating states of maximum and minimum speed of the circulator PWM in order to facilitate the escape of air bubbles from the hydraulic circuit.
- Page 21 TACO 3GS "PWM" PUMP The 3GS series is a high-efficiency synchronous circulator with a permanent magnet motor designed for heating systems. 3GS circulators offer a variety of solutions in terms of performance, connectivity and communication protocols. 3GS platform can communicate with the appliance with pulse with modulation (PWM) signal.
- Page 22 INFORMATION or TEMPERATURE MENU: Temperature display From the main screen, enter the “INFORMATION MENU” by pressing and holding the (J3) + (J5) keys for 4 seconds. Within the menu, the keys take on the following meanings: Function ON/OFF (J7) Exit - Return to main screen Index increment (J2) Index decrement...
- Page 23 PARAMETER MENU: Parameter display Pressing the (J2) and (J6) keys simultaneously and holding them for 4 seconds will display the symbol on the screen. Within the “PARAMETER” menu, the keys take on the following meanings: Function Decrease displayed parameter value (J5) Increase displayed parameter value (J6)
- Page 24 DESCRIPTION ANOMALIES Err F 1: Anomaly pressure system water system Anomaly Following the values of the pressure transducer under the set threshold Operating The heat request is not served in all operating states effects TRIAC primary exchanger: OFF Effects on Circulator: DEACTIVATED after possible postcirculation loads Zone valve: DEACTIVATED...
- Page 25 Err F 8: Block for Security Thermostat intervention (TS) Anomaly Above temperature in the primary exchanger or in the heating system Operating The heat request is not served in all operating states effects TRIAC primary exchanger: OFF Circulator: DEACTIVATED after possible postcirculation Effects on loads Zone valve: DEACTIVATED Requirement correct water flow in the plant.
- Page 26 SPARE PARTS Detail view: Electric Box Detail view: Hydraulic connections...
- Page 27 Boiler front Spare parts legend Small upper sheet metal cover Cod.FGB.8496 Left side shell Cod.FGB.8489 Contact safety thermostat 100°C Cod.FGB.1195 General electric box (contactor/electronic board panel) Power supply line terminal 230-240 V (L) x 10 pcs Cod.FGB.2073 Neutral power supply terminal 230-240 V (N) x 10 pcs Cod.FGB.2072 ...
- Page 28 Pressure switch (max./min. pressure) Cod.RIT.7609 Expansion vessel hose Cod.FGB.1531 Variable head circulator Grundfos (electronic pump) Cod.FGB.8415 Variable head circulator Guival (electronic pump) Cod.FGB.8422 Variable head circulator Taco (electronic pump) Cod.FGB.8064 Hydrometer Cod.FGB.155 Electronic board Cod.FGB.8182 Power contactor Cod.P.2153 Small C/N bottom grid Cod.FGB.8490 Hydraulic connection template Cod.FGB.8530...
- Page 29 N° di identificazione - Identification No. : Vedi numero di matricola / See the serial number Costruttore - Manufacturer : FIAMMA GIRO s.r.l. Indirizzo-Address : via L. Landucci n°.2/B - 51100 PISTOIA - ITALY Telefono -Telephone : (+39).0573.532812...
- Page 30 Identification No. - N° di identificazione : See the serial number / Vedi numero di matricola. Manufacturer - Costruttore : FIAMMA GIRO s.r.l. Address - Indirizzo : via L. Landucci n°.2/B - 51100 PISTOIA - ITALY Telephone - Telefono : (+39).0573.532812...
- Page 32 Green Acres – Oakley Green Road – WINDSOR BERKSHIRE SL4 4QF. Tel. 01628.636099 – 01628.676900 – Fax. 01628.676958 – E-mail: contact@electriccombiboilers.uk www.electriccombiboilerscompany.com FIAMMA GIRO s.r.l. Company group Sede legale e stabilimento: via L. Landucci n°.2/B - 51100 PISTOIA - ITALY Tel.(+39).0573.532812 Fax.(+39).0573.532890 - E.mail: fiammaPT@fiammagiro.it...
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