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L-Series DF-ST See-thru Gas Fireplace
Part No. XG0812
Maintenance
Gas Control Valve Troubleshooting
L-Series DF-I
Manifold Pressure
Test Connection
Pilot Adjustment Screw
Inlet
Pressure
Powe r
Gene rator
Wall Switch
Figure 33. Sit Nova 820 gas valve.
Pilot Burner Adjustment
1. Locate Pilot Adjustment Screw. (See gure 33.)
2. Adjust pilot screw to provide properly sized ame as shown in
gure 34).
3. After installing or servicing, leak test with a soap solution with
main burner on. Coat pipe and tubing joints, gasket etc. with soap
solution. Bubbles indicate leaks. Tighten any areas where the
bubbles appear until the bubbling stops completely.
Figure 34. Pilot Burner.
Troubleshooting
The following is a troubleshooting chart of possible problems:
PROBLEM CORRECTIVE ACTION
Noisy Pilot Flame Locate pilot adjustement screw on
gas control valve. Flame is decreased by
turning adjustment screw clockwise.
Pilot won’t ignite Disconnect remote wires and try to
light pilot. If pilot now works, remote
connections are faulty. Check wiring
diagram gure 33.
Main burner will 1. Check wiring (see gure 33).
not light 2. Check wall switch for proper con-
nection.
L-Series-DF-ST
If your replace still does not operate correctly, consult your dealer or
the manufacturer.
All service and repairs should be performed by a qualied
agency.
All spare parts, optional fans, and optional trim nishes are available
from your local dealer or the manufacturer.
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