Smeg PVA750D - Manual (Page 9)

Instructions for the Installer
29
5.2 Adjusting for bottled gas
Undo the screw C and push the air regulator
D fully down.
Remove the nozzle E with a 7 mm spanner
and fit the suitable one, following the
instructions in the tables referring to the type
of gas to be used. The nozzle must not be
tightened with a torque of more than 3 Nm.
Regulate the air flow by sliding the regulator D
along until the distance “X” stated in point "5.5
Adjusting the primary air flow” is obtained.
Fix the regulator D by tightening the screw C.
Burner Rated
heat
capacity
(kW)
Bottled gas – G30/G31 30/37 mbar
Nozzle
diameter
1/100 mm
By-pass
mm
1/100
Reduced
heat
capacity
(W)
Flow
rate g/h
G30
Flow
rate g/h
G31
Auxiliary 1.05 48 30 400 76 75
Semi rapid 1.7 62 32 450 124 121
Rapid 3.0 80 1050 218 214 50
Ultra Rapid 5.0 108 63 1600 363 357
5.3 Adjusting for natural gas
The appliance is tested with G20 (2H) natural gas at the pressure of 20 mbar. To return the
appliance to the condition required to use this type of gas, proceed as described in point “5.2
Adjusting for bottled gas” but select the nozzles and adjust the primary air flow for natural gas,
as indicated in the table below and in point “5.5 Adjusting the primary air flow”.
Rated heat
Burner
Capacity (kW)
Natural gas - G20 20 mbar
Nozzle diameter Reduced heat capacity
1/100 mm (W)
Auxiliary 1.05 73 400
Semi rapid 1.7 92 450
Rapid 3.0 123 1050
Ultra Rapid 5.0 165 1400