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2. Technical Gas Data
a. Gas Specifications
b. Gas Connections:
Inlet connection ----- 1-1/4 inch N.P.T.
Inlet Supply Size ----- 1-1/2 inch N.P.T.
Btu/hr input (per dryer) ----- 750,000 (189,000 kcal/hr)
1) Natural Gas
Regulation is controlled by the dryers gas valve internal regulator. Incoming supply pressure
must be consistently between a minimum of 6.0 and a maximum of 12.0 inches water column
pressure.
2) Liquid Propane (L.P.) Gas
Dryers made for use with L.P. gas have both of their gas valves internal pressure regulators blocked
open so that the gas pressure must be regulated upstream of the dryer. The pressure is measured at
each gas valve pressure tap must be a consistent 10.5 inches water column (W.C.) - 26.1 mb. There
is no regulator or regulation provided in an L.P. gas dryer. The water column must be regulated at the
source (L.P. tank) or external regulator/regulation must be added to each dryer.
TYPE OF GAS
Natural Gas Liquid Propane (L.P.) Gas
Manifold Pressure*
3.5 - 4.0 inches W.C. 8.7 - 9.9 mb
10.5 inches W.C.
26.1 mb
Inline Pressure 6.0 to 12.0 inches W.C. 14.92 - 29.9 mb 10.5 inches W.C. 26.1 mb
Shaded areas are stated in metric equivalents
* Measured at the gas valve pressure tap when the gas valve is on.
TYPE OF GAS
Liquid Propane
(L.P.)
Conversion Kit
Part
Number
MODEL
NUMBER
BTU
Per Hour
Rating
kcal/hr
Rating
Natural Liquid Propane (L.P.)
Qty. D.M.S.*
Part
Number
Qty. D.M.S.*
Part
Number
ADG-200** 7500,000 189,000 5 #1 140840 5 #28 140821 880854
Shaded area is stated in metric equivalent
* D.M.S. (Drill Material Size) equivalents are as follows:
** For models mfd. as of March 2, 1992
For information on models mfd. prior to March 2, 1992, contact the ADC factory.
#1 = .2280" (5.7912 mm)
#28 = .1405" (3.5687 mm)