Manifold Gas Supply Pressure
(millivolt models)
| Fuel # | Low | High | |
| Natural | (Lo) 2.2" WC | (Hi) 3.5" WC | |
| Gas | (0.55 kPa) | (0.87 kPa) | |
| Propane | (Lo) 6.3" WC | (Hi) 10.0" WC | |
| (1.57 kPa) | (2.49 kPa) | ||
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| Table 4 |
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| Manifold Gas Supply Pressure | |||
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| (electronic models) |
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| Fuel # | Low | High |
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| Natural | (Lo) 2.2" WC | (Hi) 3.5" WC | |
| Gas | (0.55 kPa) | (0.87 kPa) |
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| Propane | (Lo) 6.3" WC | (Hi) 10.0" WC | |
| (1.57 kPa) | (2.49 kPa) | ||
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Table 5
Burner Orifice Sizes
Elevation
Model | Nat.Gas | Propane | |
Series | drill size (inches) | drill size (inches) | |
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#49 (0.0730") * | 0.045" * | ||
21L82 • | 75L10 • | ||
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#44 (0.0860") * | 0.048"* | ||
60J80 • | 99K78 • | ||
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Table 6 | * Standard size installed at factory | ||
| • Part /Cat. Number | ||
Test gauge connections are provided on the front of the millivolt gas control valve, identi- fied IN for the inlet and OUT for the manifold side (see Figure 3 on Page 4). A 1/8" NPT Test gauge connection is provided at the inlet and outlet (manifold) ports on the electronic gas control valve (see Figure 4 on Page 4).
These appliances must be isolated from the gas supply piping system (by closing their individual manual
These appliances and their individual
Orifice Sizes - Sea Level to High Altitude (All Models): These appliances are tested and approved for installations at elevations of
At the time of installation, it must be determined if the appliance needs to be derated. Contact your local gas supplier for deration requirements for your area.
Deration - At higher elevations, the amount of BTU fuel value delivered must be reduced by either using gas that has been derated by the gas company or by changing the burner orifice to a smaller size as regulated by the local authorities having jurisdiction and by the (USA) National Fuel Gas Code NFPA 54/ANSI Z223.1 - latest edition or, in Canada, the
Burn-in Period
During the first few fires of this appliance there will be some odor due to the curing of the paint and burning off of lubricants used in the manufacturing process.
Depending on your use, the
KEEP YOUR HOUSE WELL VENTILATED DURING THE CURING PROCESS. THE ODOR AND HAZE EMITTED DURING THE CURING PROCESS CAN BE QUITE NOTICEABLE AND MAY SET OFF A SMOKE DETECTOR.
If an optional blower is installed, Do Not turn it on during the
A white film may develop on the glass front during the first few fires as part of the curing process. The glass should be kept clean during the first two weeks of use to prevent the film from baking on (making it very difficult to remove). See Cleaning Glass on Page 5.
Gas Controls/Control Compartment Access
The gas controls can be found behind the control compartment access door.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Removing Control Compartment Door: Open the panel by gently lifting it upward and forwards. Slide the door, first to one side and then the other, so the tabs clear both of the locating holes.
On millivolt systems, the piezo igniter, HI/LO flame adjustment knob, and pilot and main gas OFF/ON control knob are located below the glass panel enclosure. The gas valve for electronic systems is also located below the glass enclosure panel. See Figure 1.
Reinstalling Control Compartment Door:
To reinstall, insert the tabs on each side of the door into the corresponding holes in the control compartment opening, one side first then the other. To close, pull the door gently up and close by pushing forward and pushing the top edge down into the groves at the brackets until it locks in place.
Control Compartment Door Tab
Figure 1
Operation and care of your appliance
The standard controls for appliance opera- tion are located behind the panel below the appliance front glass enclosure panel (see Figure 1). Optional control switches are also available (see Page 13 - Remote Wall Switch, Remote Control or Wall Thermostat).
Operation of millivolt and electronic gas con- trol systems are different. Before lighting and operating your appliance determine if you have a millivolt or electronic appliance. Familiarize yourself with the gas control valve that your appliance uses. Refer to Figure 1 for access to the gas control valve.