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6
Gas Information
A. Valve Access
The valve and controls are located in the rear
of the engine inside the burner assembly. See
Figure 6.1.
The control box and controls can be accessed by
removing the top cover plate secured with six (6)
screws shown in Figure 6.1
•
Make sure unit is off and cool.
•
Remove media, logs and/or deflection glass
panel.
•
Remove screws securing control cover panel
revealing valve and control board.
Control
Valve
Module
Cover Screws
Figure 6.1. Engine Assembly
B. Gas Pressure
•
Optimum appliance performance requires
proper input pressures.
•
Gas line sizing requirements will be determined
in ANSI Z233.1 National Fuel Gas Code in the
USA and CAN/CGA B149 in Canada.
•
Pressure requirements are:
These pressures can be verified by removing
control cover to reveal the valve.
Gas Pressure
Minimum inlet pressure
Maximum inlet pressure
Manifold pressure
When an appliance is connected to a fixed piping
system, the installation must conform with local
codes,or in the absence of local codes with the
National Fuel Gas Code, ANSI Z223.1/NFPA 54
or International Fuel Gas Code.
18
Outdoor Lifestyles by Hearth & Home Technologies Inc. • Courtyard Installation Manual • 4608-901 Rev. A • 02/18
Junction
Box
Injector
Burner
Tube
Natural Gas
Propane
5.0 in. w.c.
11 in. w.c.
10.5 in w.c.
13 in. w.c.
3.5 in. w.c.
10 in. w.c.
WARNING
Fire Risk.
Explosion Hazard.
High pressure will damage valve. Low
pressure could cause an explosion.
•
Disconnect gas supply piping BEFORE
pressure testing gas line at test
pressures above 1/2 psig.
•
Close
BEFORE pressure testing gas line at
test pressures equal to or less than 1/2
psig.
•
Verify inlet pressures. Verify minimum pressures
when other household gas appliances are operating
•
Install regulator upstream of valve if line pressure is
greater than 1/2 psig.
Note: Have the gas supply line installed in
accordance with local codes, if any. If not, follow
ANSI 223.1 Installation should be done by a
qualified installer approved and/or licensed as
required by the locality. (In the commonwealth of
Massachusetts, installation must be performed by
a licensed plumber or gas fitter.)
Note:
A
listed
Massachusetts approved) 1/2 inch (13mm)
T-handle manual shut-off valve and flexible gas
connector are connected to the 1/2 inch (13mm)
control valve inlet.
•
If substituting for these components,
please consult local codes for compliance.
C. Gas Connection
Note: An individual manual shut-off valve
(supplied) is required when installing this
appliance. The manual shut-off valve must be
located in an easily accessible area, no more
than six feet from the appliance.
•
The gap between supply piping and gas
access hole may be caulked with a minimum
of 300°F continuous exposure rating or stuffed
with non-combustible, unfaced insulation to
help prevent rodents and insects from getting
the
manual
shut-off
(and
commonwealth
valve
of
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