kozy heat 911XL Installation And Operation Manual page 38

PILOT AND BURNER EXTINGUISH WHILE IN OPERATION
A. No LP (propane) in tank.
♦ Check tank and refill if necessary.
B. Glass frame assembly not installed correctly.
♦ Refer to page 9 in this manual for proper glass frame assembly installment instructions.
C. Defective thermopile or thermocouple.
♦ Check thermopile and thermocouple for proper millivolts.
D. Improper pitch on horizontal vent.
♦ 1/4" (6 mm) rise per foot is required on horizontal venting.
E. Inner vent pipe leaking exhaust gases back into firebox.
♦ Check for leaks. Repair if necessary.
F. Improper vent cap installation.
♦ Check for proper vent cap installation. Maximum downward slope of horizontal vent cap is 1/4" (6 mm). Adjust if necessary.
♦ Check vent cap for blockage. Remove debris if necessary.
G. Excessive draft.
GLASS SOOTING
A. Improper log placement.
♦ Refer to log placement instructions on page 24 of this installation manual.
B. Improper venturi setting.
♦ Venturi may need to be opened slightly to allow more air into the gas mix.
C. Improper pitch on horizontal venting.
♦ 1/4" (6 mm) rise per foot is required on horizontal venting.
FLAME BURNS BLUE AND LIFTS OFF BURNER
A. Improper Venturi setting.
♦ Venturi may need to be closed slightly.
B. Improper vent cap installation.
♦ Check for proper vent cap installation.
C. Blockage or vent system leaks.
TROUBLESHOOTING
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