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GSi 2003 Series User Manual

GSi 2003 Series
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3. Installation
24 PNEG-634 2000 Top Dry Fan/Heater
Natural Gas (NG)
This dryer is designed to operate on natural gas. Natural gas units have a larger orifice to accommodate
lower pressures sometimes found with natural gas and do not have vaporizer coils like liquid propane units.
A regulated pressure of 10 PSI minimum, 30 PSI maximum must be provided at the field connection point
on the fan/heater unit, with gas available in sufficient volume to maintain the operating pressure.
See the below “Fuel Systems and Recommendations Chart” for natural gas (NG) to determine the correct
size line to run to the dryer. Have a qualified gas service person inspect the installation to be sure
everything is installed according to local codes and ordinances.
After installation is complete, check all connections for leaks with liquid detergent or comparable. Wear
rubber gloves and eye protection.
Figure 3Q NG Line Field Connection
Fuel System Specifications and Recommendations Natural Gas (NG)
Dryer
Fan Size
Dryer
Horsepower
Maximum Heat
Capacity
BTU per Hour
Maximum Fuel
Flow Cubic Ft. per
Hour
Minimum
Line Size
Orifice
Size
Minimum
Operating
Pressure
Maximum
Operating
Pressure
28" 10-12 3 Million 2970 1-1/2" 3/8" 1 lb. 7 lbs.
36" 15 5 Million 5280 2" 1/2" 1 lb. 7 lbs.
40" 15 5.5 Million 5965 2" 17/32" 1 lb. 7 lbs.
42" 30 9 Million 9536 2" 43/64" 1 lb. 7 lbs.
42" 40 9.5 Million 10445 2" 45/64" 1 lb. 7 lbs.
WARNING
Do not use flame for leak testing.

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GSi 2003 Series Specifications

General IconGeneral
BrandGSi
Model2003 Series
CategoryHeater
LanguageEnglish