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20 American Dryer Corp. 113231-4
TYPE OF GAS
NATURAL LIQUID PROPANE
Manifold Pressure* 3.5 inches W.C.
8.7 mb
10.5 inches W.C.
26.1 mb
In-Line Pressure 6.0 - 12.0 inches W.C.
14.92 - 29.9 mb
11.0 inches W.C.
27.4 mb
IMPORTANT: Failure to comply with these codes or ordinances, and/or the requirements stipulated
in this manual, can result in personal injury and improper operation of the dryer.
The dryer and its individual shutoff valves must be disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa). The dryer must be isolated
from the gas supply piping system by closing its individual manual shutoff valve during any pressure test of the
gas supply system at test pressures equal to or less than 1/2 psig (3.5 kPa).
IMPORTANT: Failure to isolate or disconnect the dryer from supply as noted can cause irreparable
damage to the gas valve VOIDING THE WARRANTY.
WARNING: FIRE OR EXPLOSION COULD RESULT DUE TO FAILURE OF
ISOLATING OR DISCONNECTING THE GAS SUPPLY AS NOTED.
1. Gas Supply
The gas dryer installation must meet the American National Standard...National Fuel Gas Code ANSI
Z223.1-LATEST EDITION, or in Canada, the Canadian Installation Codes CAN/CGA-B149.1 M91 (Natural
Gas) or CAN/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST EDITION, as well as local
codes and ordinances and must be done by a qualified professional.
NOTE: Undersized gas piping will result in ignition problems, slow drying, increased use of energy, and
can create a safety hazard.
The dryer must be connected to the type of heat/gas indicated on the data label. If this information does
not agree with the type of gas available, DO NOT operate the dryer. Contact the reseller who sold the
dryer or contact the ADC factory.
IMPORTANT: Any burner changes or conversions must be made by a qualified professional.
The input ratings shown on the data label are for elevations up to 2,000 feet (610 meters), unless elevation
requirements of over 2,000 feet (610 meters) were specified at the time the dryer order was placed with
the factory. The adjustment or conversion of dryers in the field for elevations over 2,000 feet (610 meters)
is made by changing each burner orifice. If this conversion is necessary, contact the reseller who sold the
dryer or contact the ADC factory.
IMPORTANT: THIS GAS DRYER IS NOT PROVIDED WITH AN INTERNAL GAS SUPPLY
SHUTOFF AND AN EXTERNAL GAS SUPPLY SHUTOFF MUST BE
PROVIDED.
2. Technical Gas Data
a. Gas Specifications
Shaded areas are stated in metric equivalents
* Measured at outlet side of gas valve pressure tap when gas valve is on.