Gastec DOMINA Serie Instrucciones Para La Instalación, El Uso Y El Mantenimiento página 21

2.9.2 SETTING THE PRESSURE REGULATOR (TAB.6)
N.B. It is compulsory to use a pressure gauge (0-100 mbar)
a) Take out the screw 1, type A or B.
b) Screw down the screw 2 to increase the outlet pressure, unscrew it to decrease it.
To exclude the pressure regulator, when using LPG, gently screw down the screw 2 fully.
In these conditions exclusion is guaranteed down to 37 mbar.
To exclude the pressure regulator at higher values it is necessary to replace the spring 3.
N.B. Adjusting initial gas pressure at the burner
The oven is tested and fitted for operating on:
A) Liquid gas 30 mbar (butane) or propane gas 37 mbar with
- Blank cap
- Spring (Tab.6 pos.3) type 3÷37 mbar
B) Natural gas 20 mbar with
- Perforated cap
- Spring type 3÷30 mbar (Tab.6 pos.3) adjusted so as
to obtain the right pressure at the nozzle.
Slow ignition level
Perforated cap (type B): Ø 0.35 mm; 2.5±0.5 mbar
Blank cap (type A): 5±1 mbar
Spring 3 (standard): adjustment range 3÷37 mbar
Spring 3 (for LPG 50 mbar): adjustment range 20÷50 mbar
Conditions of supply
Blank cap for L.P.G.
- 21 -
Perforated cap for:
- Natural gas
- Town gas
Tav. 5
Tav. 6
GB