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Form No. S3423-1112
Supersedes S3423-912
Page 27 of 28
Fossil Fuel ADP Coil Section Dimensions
TYP
21 1/4"
"B"
3/4"
3/4"
TYP
MAIN DRAIN
CONNECTION
MAIN DRAIN
SUCTION
CONNECTION
OVERFLOW
LIQUID
OVERFLOW
"F"
"A"
"E"
"C"
6 1/16"
TYP
5 1/4"
"D"
1 5/8"
3/4"
"G"
FOSSIL FUEL ADP COIL SECTION DIMENSIONS
MIS-3119
FIGURE 1B - GTADP****-*
DIMENSION GTADP-3642-B
GTADP-3642-C
GTADP-4860-C
"A" 17 5/8" 21 1/8"
"B" 25 1/2" 27 1/2"
"C" 7 1/4" 6 3/4"
"D" 2 1/8" 2 1/2"
"E" 3 7/8" 4 1/4"
"F" 13 7/8" 16 7/8"
"G" 15 5/8" 18 5/8"
NOTE: Fossil Fuel coil applications must be controlled with operating
system that will delay restart of compressor if the fossil fuel furnace has
been in operation. This is required to allow cool-down of the refrigerant
bearing coil downstream of the furnace so the refrigerant pressures will be
in acceptable operating range. Failure to do this can result in high pressure
safety shutdown of the heat pump system.