FINALIZING THE INSTALLATION
FLAME APPEARANCE:
FACTORY SET BURNER TUBE VENTURI SETTINGS
(ADJUST AS NECESSARY FOR YOUR INSTALLATION)
NATURAL GAS
LP (PROPANE) GAS
1/8” (3 mm) OPEN
1/2” (13 mm) OPEN
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 decorative frame, glass frame assembly, fire glass, pilot shield and
burner assembly from fireplace.
2. Remove screw securing burner at back wall of firebox. Lift right side of burner
assembly up to release venture from burner orifice. Remove burner assembly
from firebox.
3. Loosen venturi screw, make adjustment, retighten screw.
4. Re-install burner, making sure venturi is positioned over burner orifice. Secure
to back wall with screw previously removed.
5. Reinstall pilot shield, fireglass, glass frame assembly and decorative frame.
6. Light fireplace. Wait at least 15 minutes before determining if any further adjust-
ments are necessary.
TO ADJUST VENTURI:
PAGE 36
BURNER VENTURI
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.
WARNING: BURNER TUBE ADJUSTABLE VENTURI POSITIONING SHOULD ONLY BE PERFORMED BY A QUALIFIED
SERVICE TECHNICIAN.
WARNING: TO AVOID PROPERTY DAMAGE OR PERSONAL INJURY, ALLOW FIREPLACE AMPLE TIME TO COOL BEFORE MAKING ANY
ADJUSTMENTS.
IMPORTANT: SLIGHT ADJUSTMENTS TO BURNER VENTURI OPENING 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.
Summary of Contents for Nicollet NCL-195
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