#SP-34 LE & MV R.5 January 2020
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
MAINTENANCE 53
ELECTRONIC IGNITION
SYSTEM PILOT FLAME
SIT MILLIVOLT PILOT FLAME
Figure 13.1, Burner System
13.5 Burner and Pilot System
The burner assembly may be removed for easier access to the control
compartment. Refer to Section 8.3 Control Board Removal and
Installation on page 35. Verify gas supply is turned on and filled.
Consult with plumber or gas supplier as necessary.
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.
•
Continuous Pilot Ignition System (Millivolt): Ensure pilot
flame impinges on thermocouple. Clean pilot hold and adjust
pilot flame at gas valve for proper flame impingement. Verify
thermocouple connections and millivolt production.
•
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 orifice
Figure 13.2, Pilot and Burner Correct Flame Appearance
Burner Ports
Ideal Flame Appearance
Lazy, yellow flames - no adjustment necessary
