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supply pressure and adjust to ensure a supply
pressure
between
col umn natural gas (13.0" w.c. for propane) while
the appliance is firing at 100% of rated input.
7.
This is a reference pressure only and is not field
adjustable.
An
minimum of 4 inch es water column of gas supply
pres sure
will
pressure
as
temperature demand.
8.
Close the two gas pressure test cocks on the
pressure test tree and remove the hoses to the
manometer.
9.
Close the front control panel.
IMPORTANT
Upon completion of any testing on the gas system, leak test
all gas connections with a soap solution while the main
burner is firing. Immediately repair any leak found in the
gas train or related components. DO NOT operate an
appliance with a leak in the gas train, valves or related gas
piping.
FIG. 36 Manifold Gas Pressure Measurement
4.0
and
10.5
inches
ap pli ance
supplied
operate
at
the
correct
the
burner
input
var ies
– – – – = FIELD CONNECTED
WATER CONNECTIONS
water
with
a
man i fold
with
FIG. 37 Water Connections
MANIFOLD GAS PRESSURE
27
AIR INLET
GAS
WATER OUTLET
WATER INLET
FLUE OUTLET
P
3.5" W.C.= gas
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