Installation manual
37
8 Gas connection
8.1 General
Caution
It is your responsibility to have all plumbing connections made by a qualified professional to insure that the gas
plumbing installation is adequate and conforms with local and state regulations or codes. In the absence of such
codes, ALL plumbing connections, material, and workmanship must conform to the applicable requirements of
the National Fuel Gas Code ANSI Z223.1 LATEST EDITION or the CAN/CGA—B149, INSTALLATION CODES,
both the latest edition.
Mount a shut-off valve upstream from the machine.
The gas connection to the machine should be dimensioned to an output depending upon the kW-rating of the
machine.
The factory nozzle pressure setting must correspond to the fuel value given on the data label.
Check that the nozzle pressure and fuel value correspond with the values in the gas tables on the following pages. If
not, contact the supplier.
Bleed the pipe system before connecting the machine.
After connection, test all joints for leaks.
The machine and its individual shut-off valve must be disconnected from the gas supply piping system during any
pressure testing of the system at test pressures in excess of 1/2 psi (3.5 kPa).
The machine must be isolated from the gas supply piping system by closing its individual manual shut-off valve dur-
ing any pressure testing of the gas supply piping system at test pressures equal to or greater than 1/2 psi (3.5 kPa).
A minimum 1/8 inch N.P.T plugged tap, accessible for test gage connection, must be installed immediately upstream
from the gas supply connections to the machine.
fig.7202
A = Pressure regulator (option) propane only
B = Gas shut-off valve
C = 1/8 inch N.P.T plugged tap
8.2 Gas installation
This machine has been built to run on natural gas. If the machine is to be converted to another type of gas, the gas
nozzle must be replaced.
Conversion kit for propane gas is enclosed in secondary packing. Please contact your dealer if the current gas type
is not propane/natural gas.
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