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18
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Gas Line Installation
This stove must be connected to the gas line in accordance
with local codes and/or the National Fuel Gas Code, ANSI
Z223.1 (In Canada, the current CAN/CSA B149.1 installa
-
tion code). Remove the four screws holding the back of
the pedestal in place. Slide rear cover back far enough to
gain access to the inside of the pedestal. Remove plastic
plug from the 3/8”x 9” pipe. Connect gas line to the 3/8”x 9”
pipe. After connecting the gas line, all joints in the line and
connections at the valve should be checked for leaks before
final positioning of the unit. Conduct a gas leakage test of
the appliance piping and control system downstream of the
shutoff valve in the supply line to the appliance.
Gas Pressure Requirements
A MAJOR CAUSE OF OPERATING PROBLEMS WITH GAS
APPLIANCES IS IMPROPER GAS PRESSURE!
The most important item to check during the initial
installation and the first thing to check when operating
problems occur is gas pressure! This appliance will
not function properly unless the required gas pressure
is supplied. See the table on this page for gas pressure
requirements.
Two pressure taps are provided on the stove’s valve to
check gas pressures. To access the taps, remove the four
socket head screws from the valve control panel. The taps
are located below the On/Off/Pilot knob (see Figure 20 on
Page 20
). The left tap is the inlet (supply) pressure side.
To check inlet pressure (with the stove burning) insert a
small flat-bladed screwdriver into the tap and turn a half-
turn counterclockwise. Cover the tap with the line from the
manometer and check the pressure. Close the tap gently
but securely after completing the check. The manifold
(outlet) tap is to the right of the inlet tap. To check manifold
pressure (with the stove burning at the high burn setting)
insert a small flat-bladed screwdriver into the tap and turn a
half-turn counterclockwise. Cover the tap with the line from
the manometer and check the pressure. Again close the tap
gently but securely after completing the check. Check the
taps for gas leaks with a gas leak test solution (retighten if
necessary).
If the pressure is not sufficient, make sure the gas supply
line is large enough, the supply regulator is properly adjusted
and the total gas load for the residence does not exceed the
amount supplied.
The appliance and its individual shut off valve must be
disconnected from the gas supply piping system during
any pressure testing of that system at test pressures in
excess of 1/2 psig.
The appliance must be isolated from the gas supply piping
system by closing its individual manual shut-off valve
during any pressure testing of the gas supply piping system
at test pressures equal to or less than 1/2 psig. Check
with your gas supplier or plumber.
LP and Natural Gas Supplies:
Your Epic™ gas stove is equipped from the factory for use
with natural gas only as specified on the Safety / Listing
label attached to the appliance. This appliance can only be
operated using propane gas (LP) if a certified fuel conver-
sion kit provided by Lennox Hearth Products is installed by
a qualified service technician.
Also check the orifice size on the label on the igniter bracket.
It must be the correct size for the fuel and altitude.
Do not run propane tank dry. Running the tank dry may
cause a hazardous condition due to pressure drop in
empty tank.
Solid fuel is NOT to be used with this unit.
Fuel
Type
Inlet Pressure Manifold Pressure
Desired Minimum Maximum On Hi
Fire
On Lo
Fire
Natural
Gas
7" WC 5" WC 10.5" WC 3.5" WC 1.7" WC
LP Gas 11" WC 11" WC 13" WC 10" WC 6.0” WC
Check all connections
for leaks using a gas
leak test solution.
Figure 28