Owner`s manual
Page 18
DV 42 ST See-through Gas Fireplace
rev.110308
Maintenance
Gas Control Valve
Manifold Pressure
Test Connection
Pilot Adjustment Screw
Inlet
Pressure
Power
Generator
Wall Switch
Figure 33. Sit Nova 820 gas valve.
Pilot Burner Adjustment
1. Locate Pilot Adjustment Screw. (See Figure 33.)
2. Adjust pilot screw to provide properly sized ame as shown in
Figure 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 adjustment screw on
gas control valve. Flame is decreased by turn-
ing 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 Figure
33.
Main burner will 1. Check wiring (see Figure 33).
not light 2. Check wall switch for proper connection.
If your replace still does not operate correctly, consult your dealer or the manu-
facturer.
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.
DV 42 ST










