487 03 29 41
3
47. Gas System
Service-
manual
47
1
7
6
2
5
3 + 4
Gas valve - Natural gas and LPG
Pos. 1. Nozzle
The nozzle orifice size must be correct for the installation
altitude (US only) and the type of gas being used.
Refer to the installation manual to determine proper orifice
size.
Pos. 2. Measuring tap, nozzle pressure
Measuring see page 47.4.
Pos. 3 + 4. Nozzle pressure adjustment screw and cap
Set the nozzle pressure by using adjusting screw (4) found
behind cover screw (3).
Clockwise higher pressure.
Counter-clockwise lower pressure.
Pos. 5. Control box, gas valve
Pos. 6. Measuring tap, supply pressure
Measuring see page 47.4.
Supply pressure see installation manual.
NOTE that the gas supply MUST be turned off before
loosening tap pos. 6 (SUPPLY) or gas will escape.
Pos. 7. Primary air flow reducing plate.
To Next Page
Loading...
