American Dryer Corp. AD-385 User Manual
Page 62
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must be
between 10.5 inches and 11.0 inches of water column.
b. Poor air/gas mixture (too much gas or not enough air) at bumer...yellow or poor flame
pattern...
1) Not enough make-up air.
2) Restriction in exhaust.
3) Gas pressure too high.
4) Impellor/blower/fan (3-Phase [30] Models ONLY) rotating in the wrong direction.
5) Burner orifice size (D.M.S.) too large for application (i.e., high elevation).
c. Sail switch is fluttering...restriction in exhaust...
1) Lint screen is dirty or is not being cleaned often enough.
2) Restriction in exhaust.
d. Failed burner hi-limit switch...opens at incorrect temperature.
e. Gas supply may have low heating value.
G. Main burners are burning with a yellow flame (for Gas Models ONLY)...
1. Poor air/gas mixture (too much gas or not enough air) at burner...
a. Not enough make-up air.
b. Restriction in exhaust.
c. Gas pressure too high.
d. Impellor (blower/fan) is rotating in the wrong direction (3-phase [30] Models ONLY).
e. Burner orifice size (D.M.S.) too large for application (i.e., high elevation).
H. Condensation on main door glass...
1. Too long, undersized, or improperly installed duct work.
2. Back draft damper in duct work is sticking in partially closed position.
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