|
L-Model - Engine or electric
driven. Induced draft - Horizontal air intake & vertical air
discharge.
H-Model - Electric driven or
multi-fan. Forced draft - Vertical air intake & discharge.
M-Model - Engine driven single or
multi-fan. Forced draft - Horizontal air intake & vertical air
discharge.
V-Model - Engine or electric
driven. Forced or induced draft - Vertical air intake &
discharge. |