Grain Systems PNEG-1820 - Manual (Page 13)

PNEG-1820 CE Compliant Top Dry Series 2000 Autoflow 13
5. Fuel Installation
Fuel Supply
The dryer requires a suitable fuel supply. Refer to fuel specifications Table on Page 11 for fuel
flow requirements.
Liquid LPG
Dryers with internal vaporizers require LPG in liquid form.
Vapor LPG
Dryers without internal vaporizers require LPG in vapor form.
LPG tanks must have adequate vaporizing capacity to supply the maximum fuel flow given in
fuel specifications
Table on Page 11 . Alternatively and external vaporizer may be used.
For twin fan units, double the fuel flow.
Primary pressure regulation is required at the tank, including over pressure protection.
Supply pressure at the dryer should be 1.5 bar-2.0 bar (150 kPa-200 kPa).
Natural Gas
Natural gas dryers require a supply capable of the maximum flow given in fuel specifications
Table on Page 11 .
For twin fan units, double the flow.
Minimum supply pressure at the dryer must be 750 mBar (75 kPa).
Primary pressure regulation should include over pressure protection.