Specifications
22
Only For Qualied Installers
Natural Gas or Propane
A vent damper is provided to allow ne tuning
of the draft. Too little draft will cause ames to be too
long with black tips and too much draft will cause
ames to be short and blue.
To adjust the damper, burn the unit on High 10
minutes or more. Adjust the vent damper to a posi-
tion in the ranges listed below that produces the most
desirable ame pattern.
Top Vent Only
Vent damper shown in the
Maximum Draft”OPEN” position
for top vent. Note: This would be
the Minimum Draft”CLOSED”
position if a rear vent was
installed.
OPEN
CLOSED
ONE HALF










