Specifications

6.5 ATMOSPHERIC BURNER
6 TECHNICAL SPECIFICATION
6.5.1 START-UP
- Flush the gas pipe thoroughly, activate the room thermostat and
set the control thermostat for heat demand.
- Open the gas tap.
- Turn on the main switch on the control panel.
IMPORTANT:
- The burner is preset at the factory.
- Check the gas supply pressure and the pressure at the burner
when starting up.
LEGEND:
1. Gas electro-valves
2. Upstream gas pressure test point
3. Pressure regulator
4. Burner gas pressure test point
11
G20 G25 G30 P30
Gas G20 - 20 mbar - I E2+ - I 2E LL
Burner pressure mbar 13,3 12,8 12,3 -
Flow rate m
3
/h 2,76 3,50 4,13 -
Gas G25 - 25 mbar - I 2L
Burner pressure mbar 13,4 13,4 13,4 -
Flow rate m
3
/h 3,10 3,88 4,50 -
Gas G31 - 37/50 mbar - I 3P
Burner pressure mbar - - - 28,5
Flow rate m
3
/h - - - 1,64
Injectorr Ø 1/100 mm 450 470 510 3x190
BE - FR I E2+
AT - DK
ES - GB I 2H
IT - PT
IE - SE
BE - FR
ES - GB I 3P
IE - PT
NL I 2L
LU - DE I 2ELL
1
23
4
Fig. 18: Burner valve
Fig. 19: Natural gas atmospheric burner
Fig. 20: Propane atmospheric burner
1
8
2
4
5
7
6
3
3
2
7
1
4
5
6
8
1. Flame holders
2. Ionisation ignition electrode
3. Reset button
1. Ionisation ignition electrode
2. Flame holders
3. Injector
4. Reset button