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ULTRA FLAME DV “0” Clearance Fireplace
ADJUSTING THE GAS PRESSURE
NOTE: If cover plate is already installed, remove it by removing the two screws with a Phillips
screw driver.
NOTE: The maximum manifold pressure is set at the factory at 3.5” WC for natural gas and
10.5” WC for propane. To adjust the maximum manifold pressure for altitude, you must remove
the manifold pressure adjustment cover. The variable gas control knob must then be removed
using a special screwdriver. Rotate and reinstall the knob so that the maximum pressure
reading is correct.
Locate the two pressure test taps. Check line pressure or manifold pressure by loosening the
small screw inside the tap with a flat-head screwdriver about one turn. Connect pressure gauge
using a ¼” I. D. rubber hose.
Ensure the line pressure falls within the allowable limits and adjust the manifold pressure
according to the elevation table.
The pilot should have a strong blue flame which engulfs the thermopile and the thermocouple. If
there is any yellow in the pilot flame tips, the gas flow must be reduced by adjusting the pilot
pressure adjustment screw.
PILOT ASSEMBLY:
Remember to replace all covers !!!!
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