11 Gas Information
A. Fuel Conversion
•Make sure the appliance is compatible with available gas types.
•Conversions must be made by a qualified service technician using Hearth & Home Technologies specified and approved parts.
B. Gas Pressure
•Optimum appliance performance requires proper input pressures.
•Gas line sizing requirements will be determined in ANSI Z223.1 National Fuel Gas Code in the USA and CAN/ CGA B149 in Canada.
•Pressure requirements are:
Gas Pressure | Natural Gas | Propane |
Minimum inlet pressure | 5.0 in. w.c. | 11.0 in. w.c. |
Maximum inlet pressure | 10.0 in. w.c. | 13.0 in. w.c. |
Manifold pressure | 3.5 in. w.c. | 10.0 in. w.c. |
WARNING! Risk of Fire or Explosion! High pressure will damage valve. Low pressure may cause explosion.
•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.
•Valve pressure taps are accessible by removing the outer panel tray and glass assembly.
Figure 11.1. Valve Pressure Taps.
WARNING
Fire Risk. Explosion Hazard.
High pressure will damage valve.
• Disconnect gas supply piping BEFORE pressure testing gas line at test pressures above 1/2 psig.
•Close the manual shutoff valve BEFORE pressure testing gas line at test pressures equal to or less 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 (and Commonwealth of Massachusetts ap- proved) 1/2 in. (13 mm)
•If substituting for these components, please consult local codes for compliance.
Note: This appliance does include a manual gas shutoff valve that is located in the valve compartment. This manual gas shutoff valve is accessible for service by removing the outer access panel tray or the base pan and burner assembly and inner access windows. Depending upon local code, an additional manual gas shutoff, in a readily accessible area may be required and located upstream from the appliance.
The lower access cover panel is removable if finishing material is not installed. See Figure 11.2.
If the finishing materials have been installed around the appliance opening, proceed as follows:
1.If already installed, carefully remove the front media and tray or granite or porcelain from the appliance and set aside.
2.Unplug the 3V transformer from the junction box. This will turn the power off to the appliance.
3.Turn the gas shutoff handle to the “OFF” position to shut off the gas supply.
4.Remove the glass assembly from the appliance by unlatching the two bottom spring latches and then pulling the bottom of the glass assembly toward you until it clears the glass latch tabs. Hold the top of the glass frame and gently lower the glass assembly down until it rests on the side glass supports. Tilt the top of the glass out toward you and remove. See Section 14.H.
5.Remove any interior media, granite or porcelain from the unit if already installed.
6.There are three access windows located on the interior of the firebox bottom. See Figure 11.1. Remove screws and plate to access the manual shutoff valve included with this fireplace.
To access unit through the lower bottom windows:
1.Remove the glass rock media or the porcelain from the interior firebox.
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