a.Remove the slotted vent cap on the top of the valve.
b.Turn the slotted adjustment screw located on the top of the valve next to the terminals. Turn clockwise to increase manifold pressure and counterclockwise to decrease.
NOTE: If correct W.C. pressure cannot be achieved, problems may be due to an undersized gas supply line, a faulty or underrated gas meter, etc.
To Convert Natural Gas to L.P. Gas
NOTE: All dryers are sold as natural gas, unless otherwise specified at the time the dryer order was placed. For L.P. gas the dryer must be converted as follows.
1.Refer to "Replace Gas Valve" and follow steps 1 through 6. A. For models with 3/4"
1.Remove top vent cap.
2.Insert spring and pin.
3.Replace vent cap.
2. Unscrew main burner orifices and replace with L.P. orifices.
NOTE: Use extreme care when removing orifices. They are made of brass and are easily damaged.
3. Reverse the procedure for reinstalling valve assembly to the dryer.
WARNING: Test all connections for leaks by brushing a on soapy water solution. NEVER TEST FOR LEAKS WITH A FLAME.
NOTE: There is no regulator provided in an L.P. dryer. The column pressure must be regulated at the source (L.P. tank) or an external regulator must be added to each dryer.
To Replace Burner Tubes
1. Refer to "Replace Gas Valve" and follow steps 1 through 6.
2Remove four screws securing the HSI module mounting bracket.
3. Remove front flanges of the burner tubes to the burner tube rest.
4. Remove the screws securing the burner tube rest to the oven and remove this rest.
5. Remove screws securing burner box cover plate to the oven and remove the cover.
6. Remove burner tubes by sliding them out.
7. Replace by reversing procedure.
WARNING: Test all connections for leaks by brushing on a soapy water solution. NEVER TEST FOR LEAKS WITH A FLAME.
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