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14
ADJUSTMENT OF THE PRESSURE REGULATOR FOR USE WITH
DIFFERENT TYPE OF GAS
The pressure regulator supplied with the appliance is a convertible type pressure regulator for use with Natural Gas
at a nominal outlet pressure of 5”w.c. or Propane at a nominal outlet pressure of 10”w.c. and it is pre-arranged
from the factory to operate with one of these gas/pressure as indicated in the pre-arranging labels afxed on the
appliance, package and Instruction booklet.
If Natural gas is converted to Propane, also the by-pass orice has to be changed.
The regulating screw of the by-pass orice must be fully screwed in.
To convert the regulator (Fig.6 and Fig.7) for use with the other gas (different from the one for which it is pre-arran-
ged) it is enough perform the following operations:
1. Unscrew by hand the upper metal stopper of the regulator.
2. Unscrew by hand the white plastic piece screwed under the above mentioned metal stopper, afterward screw
it again in opposite way under the metal stopper(for gas reference see the written “Propane” and “NAT” with
relative indicating arrows on the white piece).
3. Screw again by hand the metal stopper in the original position on the regulator. Operating in this way the gas
regulator is converted for use with the other gas/pressure
Fig. 6 Pressure regulator
See the table below for gas supply pressure requirements.
Fig. 7 Pressure regulator; pressure test-point stopper
is pointed out
If the line pressure is in excess of that amount, a step
down regulator will be required.
The appliance must be disconnected from the GAS
supply piping system during any pressure testing of
that system.
Gas Supply Specifications
Gas
Type
Manifold
Pressure* (WC) Pressure
Max. Input Min. Gas Supply
Pressure (WC)
Natural 5 6 1/2 psi
LP 10 11 1/2 psi
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