Trane IntelliPak 1 Installation, Operation And Maintenance Manual page 89

Figure 58. Supply fan performance with or without variable frequency drive - 90 ton air-cooled
I I m m p p o o r r t t a a n n t t : : Maximum static pressure leaving the
rooftop is 4.0" H
pressure drops from the supply fan to the
space cannot exceed 4.0" H
RT-SVX072A-EN
O positive. The static
2
O.
2
N N o o t t e e s s : :
• Supply fan performance curve includes
internal resistance of rooftop. For total static
pressure determination, system external
static must be added to appropriate
component static pressure drops
(evaporator coil, filters, optional economizer,
optional relief fan, optional heating system,
optional cooling only extended casing,
optional roof curb).
• Maximum Cfm (for cULus approval) as
follows: 90 ton - 46,000 Cfm.
• Minimum motor horsepower is 30 hp.
U U n n i i t t S S t t a a r r t t u u p p
89