Related Manuals for Riello GI/EMME 300
Summary of Contents for Riello GI/EMME 300
- Page 1 Installation, use and maintenance instructions Dual fuel Gas-Oil/Gas burner MODEL TYPE GI/EMME 300 495 T80 2915142 (6)
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Page 3: Technical Features
TECHNICAL FEATURES Thermal power 107/175 ÷ 340 kW - 92.000/150.000 ÷ 292.000 kcal/h Fuels Oil, max. viscosity at 20°C: 6mm /s (1.5°E) natural gas with Pci 8600 kcal/m Lpg with Pci 22.200 kcal/m Minimum gas pressure Maximum capacity requires 9.6 mbar with natural gas, (measured at the test-point) 11.8 mbar with LPG. -
Page 4: Working Range
DIMENSIONS Boiler front-plate Burner drilling Rp 1 S7564 S7565 D1785 * Extension that you can obtain with special extended head (to be requested separately). WORKING RANGE PRESSURE IN THE COMBUSTION CHAMBER - 2 STAGE OUTPUT Min output at 1 stage 107kW - 9Kg/h Kcal/h S7585 MINIMUM GAS PRESSURE - 2... -
Page 5: Gas Supply Line
FIXING TO THE BOILER S7539 In order to devide the combustion head from the rest of the burner, you have to: - remove the connection (1) from the two valves; - remove the 4 screws (2 - 3); - slide the burner body (A) along the rails (4); - mount the group (B) to the boiler’s plate (6) interposing gasket (5). -
Page 6: Oil Supply
OIL SUPPLY Øi 8 Øi 10 S7541 Øi 8 Øi 10 S7542 – Please note: all oil lines must be airtight. We suggest copper-piping. Level as the suc- tion pipe, then a none return valve is not required and the section-pipe can be discon- nected without causing any problems. - Page 7 BURNER ELECTRICAL WIRING (carried out in the factory) S7587 KEY TO LAY-OUT C: Pump motor capacitor C1: Fan motor capacitor CO: Selector switch SELECTOR SWITCH MA: Auxiliary terminal strip OIL O GAS MB: Burner terminal strip MP: Pump motor 3 - 4 MV: Fan motor 5 - 6 PA: Air pressure switch...
- Page 8 ELECTRICAL CONNECTIONS TO THE WIRING TERMINAL BLOCK (to be carried out by the installer) S7568 KEY TO LAYOUT MB - Burner terminal strip V1 - 1° stage gas shut off valve TS - Safety remote control system V2 - 2° stage gas shut off valve TL - Limit control system VS - Gas safety shut off valve TR - 2°...
- Page 9 FIXING OF THE ELECTRICAL WIRES All the electrical wires, which are to be connected into the terminal rail 10 (fig. 1) should pass through the cable glands hubes 12 (fig. 1), accordingly the scheme below. S7569 1 - Single phase supply : gland Pg 13.5 2 - Regulation thermostat : gland Pg 13.5...
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Page 10: Combustion Head Adjustment
COMBUSTION HEAD ADJUSTMENT Adjustments can be made to the burner, when it is still open for installation (see page 3, fixing to the boiler). NOZZLE’S CHOICE Nozzle Spray angle: 1° 2° - usually, 60° 1°+2° - for narrow combustion chambers: 45° kg/h kg/h kg/h... - Page 11 Loosen the two screws (1), move the elbow (2) so that the rear part (3) coincides to the desired set- point (4). Tighten the screws (1). Kcal/h S7548 S7588 ADJUSTMENT OF THE AIR DAMPER MOTOR STOP - Blue lever S7570 This lever leaves the factory vertically positioned and corresponds to the complete closing of the air damper.
- Page 12 BURNER START-UP CYCLE Venting the gas supply. This is done by removing the screw from the gas pressure switch, or the pressure test point. Screw Pressure gauge fixing point Pressure switch S7549 AIR PRESSURE SWITCH (17 Fig.1) Adjust the air pressure switch after adjustment of all the other parts of the burner, with air pressure switch setted at beginning 1 ÷...
- Page 13 CURRENT TO THE UV PHOTOCELL Min. value for a good work: 15 µA. If the value is lower, it can depends on: - worked out photocell; - low current (lower than 187V); - bad regulation of the burner. In order to measure the current, use a microammeter of 100 µA c.c., connected to the photocell, as in the scheme, with a capacitor of 100 µF - 10VP c.c.
- Page 14 BURNER STARTING DIFFICULTIES AND THEIR CAUSES With reference to gas working (it is valid also for oil working, when signed with “° ”). 1) The burner goes through the pre-purge period normally, the flame ignites but the burner goes on lock out within 3 seconds from the ignition: - the photocell does not see: dirty, worked out, low current (below 187V);...
- Page 16 RIELLO S.p.A. Via degli Alpini 1 I - 37045 Legnago (VR) Tel.: +39.0442.630111 Fax: +39.0442.630375 Con riserva di modifiche...