Burner and Pilot System
SECTION 13
MAINTENANCE
#BHM-38 & #BHM-38-BW
R.1 September 2021
76
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
13.5 Burner and Pilot System
Certain components may be removed for easier access to the control
compartment.
Refer to section
8.5, CONTROL BOARD
on page 58
for instructions.
Verify gas supply is turned on and filled. Consult with
plumber or gas supplier as necessary.
Refer to
FIGURE 13.1
for burner system components
and
FIGURE
13.2
for correct flame appearance for the burner and pilot system.
Performed by:
Qualified Service Person
Frequency:
Annually
Action:
•
Vacuum all components of the burner system.
•
Check all accessible gas-carrying tubes, connections, pipes and
other components for leaks.
•
Inspect the operation of the flame safety system Pilot or Flame
rectification device. Visually check pilot light when in operation.
•
Inspect and ensure the lighting of the main burner occurs within
(4) seconds of the main gas valve opening. Check for faulty or
incorrect wiring and correct or replace as necessary. Inspect
primary air openings (burner ports) for blockage, especially near
the pilot.
•
Visually check burner flame pattern when in operation. Flames
should be steady, not lifting or floating.
•
Test and measure the flame failure response time of the flame
safety system. It must de-energize the safety shutoff in no more
than (30) seconds.
Burner Ports Location
Burner Orifices
Rear burner ports
Front burner ports
Front burner orifice
Rear burner orifice
Ideal Burner Flame Appearance
Correct Pilot Flame Appearance
FIGURE 13.1
Burner System
FIGURE 13.2
Correct Burner and Pilot Flame Appearance
