Riello GI/EMME 300 Quick start guide

2915142 (6)
Installation, use and maintenance instructions
Dual fuel Gas-Oil/Gas burner
MODEL TYPE
GI/EMME 300 495 T80

5142
1
TECHNICAL FEATURES
The burner conforms to IP 40 level of insulation as per CEI/70.1
Thermal power 107/175 ÷ 340 kW - 92.000/150.000 ÷ 292.000 kcal/h
Fuels Oil, max. viscosity at 20°C: 6mm
2
/s (1.5°E) natural gas with
Pci 8600 kcal/m
3
Lpg with Pci 22.200 kcal/m
3
Minimum gas pressure
(measured at the test-point) Maximum capacity requires 9.6 mbar with natural gas, 11.8 mbar with LPG. Combustion chamber at 0 mbar.
Maximum gas pressure 150 mbar
Electrical supply Single-phase 220 V +10% -15% 60 Hz
Fan-capacitor motor 1.85A / 220 V - 6.3 µF
Pump-capacitor motor1A / 220 V - 6.3 µF
Ignition transformer Primary: 1.8A / 220 V - Secondary: 30 mA / 1x8 kV
Pump Output 50 kg/h at 12 bar - max pressure 15 bar
Operation Two stage: gas or oil
Fig. 1
EQUIPMENT
Quantity Burner accessories
1 Gas-train’s gasket
8 Screws
1 Insulating screen
3 Seal
2 Oil hoses
4 Connectors
4 Gaskets
1 Lpg transf. kit
2 Oil nozzles
1 Flange
KEY TO LAY-OUT
1- Oil valve 1°
2- Oil valve 2°
3- Safety oil valve
4- Oil supply port
5- Oil return port
6- Pressure regulator at the pump
7- Air damper motor
8- Pressure gauge port (G 1/8)
9- Vacuum gauge port (G 1/8)
10 - Terminal board
11 - Fan motor capacitor
12 - Cable gland
13 - UV photocell
14 - Oil motor capacitor
15 - Oil-gas selector switch
16 - Control-box reset button
17 - Air pressure-switch
2 1 394 5 87 6 17 15 11 10 12
16
14
13
S7537

5142
2
DIMENSIONS
WORKING RANGE
PRESSURE IN THE COMBUSTION CHAMBER - 2
nd
STAGE OUTPUT
MINIMUM GAS PRESSURE - 2
nd
STAGE OUTPUT
Pressure : measured at the test point with combustion chamber at 0 mbar.
Boiler front-plate
drilling
* Extension that you can obtain with special extended head (to be requested separately)
.
Burner
160
160
155 M10
410 610
185
*320
397
97
292
165
Rp 1 1/2
D1785
S7564
S7565
ø 140
Kcal/h
mbar
S7585
kW
Min output at 1st stage 107kW - 9Kg/h
Kcal/h
mbar
S7586
kW
Gas pressure test point
Natural gas
LPG S7536

5142
3
FIXING TO THE BOILER
GAS SUPPLY LINE
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).
Mount the group (A) to the boiler front.
Fit the nozzles and regulate the combustion head (as specified below).
S7539
654132
BA
{ {
1- Gas supply pipe 7- Min. gas pressure switch
2- Manual valve 8- Gas safety shut off valve
3- Isolator joint 9- 1° stage gas shut off valve
4- Filter 10 - 2° stage gas shut off valve
5- Pressure governor 11 - Burner
6- Pressure test-point
S7566
6986
7
54
6
32 1
11
10