1. Scope

1.1

This Standard applies to direct gas-fired equipment for drying farm crops that is constructed of noncombustible materials with nominal inputs up to and including 10 000 000 Btuh (3000 kW).

1.2

Dryers with inputs above 10 000 000 Btuh (3000 kW) will be investig ated to the intent of this Standard, although additional requirements may also apply.

1.3

This Standard applies to dryers fired with natural gas or p ropane in the liquid or vapour phase.