40
FACTORY SET BURNER TUBE VENTURI SETTINGS
(ADJUST AS NECESSARY FOR YOUR INSTALLATION)
NATURAL GAS
LP (PROPANE) GAS
1/8” (3mm) OPEN
5/8” (16mm)
TO ADJUST VENTURI:
FINALIZING THE INSTALLATION
FLAME APPEARANCE:
Flame appearance is affected by several factors including altitude, venting configuration and fuel quality. Although the venturi setting has
been factory set, adjustments may be necessary for optimal performance and visual aesthetics.
When fireplace is first lit, the flames will be blue. Flames will gradually turn yellowish-orange during first 15 minutes of operation. If
flames remain blue, or become dark orange with evidence of sooting (black tips), the burner tube venturi may need adjustment.
BURNER TUBE VENTURI ADJUSTMENT GUIDELINES
VENTURI POSITION
FLAME COLOR
VENTURI ADJUSTMENT
Closed too far
Dark orange flame with black tips
Open venturi setting slightly
Open too far
Blue flames
Close venturi setting slightly
1. Remove glass frame assembly, burner media components and burner assembly from fireplace.
2. Loosen burner venturi screw, make adjustment, retighten screw.
3. Re-install burner, making sure venturi is positioned over burner orifice.
4. Reinstall burner assembly, burner media components, and glass frame assembly.
5. Light fireplace. Wait at least 15 minutes before determining if any further adjustments are necessary.
Figure 40c
WARNING
B U R N E R T U B E A D J U S T A B L E V E N T U R I P O S I T I O N I N G S H O U L D O N L Y B E P E R F O R M E D B Y A Q U A L I F I E D
PROFESSIONAL SERVICE TECHNICIAN.
IMPORTANT
SLIGHT ADJUSTM ENTS TO BURNER VENTURI OP ENING CREATE DRAMATIC RESULTS. ADJUST AT SLIGHT
INCREMENTS UNTIL DESIRED LOOK IS ACHIEVED. ALWAYS BURN FIREPLACE FOR AT LEAST 15 MINUTES
AND ALLOW TIME TO COOL BEFORE MAKING ANY FURTHER ADJUSTMENTS.
WARNING
To avoid property damage or personal injury, allow fireplace ample time to cool before making any adjustments.
BURNER VENTURI
Lazy yellow flames
- ideal
Short blue flames
venturi open too far
Dark orange flames / black tips
Venturi closed too far
Excessive burner media
Lifting (ghosting) flames
Improper Venting
Gas pressure too high
Figure 40b
Figure 40a
Correct pilot flame
(Shown without pilot shield for clarity purposes)
