Electrical Information; F0 And F1 Style Ahu's; F2 Style Ahu - Trane TCCA Accompaniment To The Installation, Operation And Maintenance Manual

Electrical Information

F0 and F1 Style AHU's

Each AHU has an external fused disconnect
addition to the external fused disconnect, each unit has a
circuit breaker inside the control cabinet
Each 10,000 cfm unit is provided with a minimum of 50-ft
of #8/4 600V electrical cable connected to the external
fused disconnect. Each 20,000 cfm and 25,000 cfm unit is
provided with a minimum of 50-ft of #4/4 600V electrical
cable connected to the external fused disconnect.

F2 Style AHU

Each AHU has an externally mounted Nema 4 main
disconnect provided with internal circuit breaker
(Figure 19). In addition to the externally mounted circuit
breaker, each VFD has its own drive disconnect switch
inside the drive cabinet in order to isolate the drives if
needed (Figure 20).
Each F2 Style AHU is setup to accept Series 16 Cam Type
Receptacles only and does not have an option for hard
wired connections (Figure
Figure 17. Fused Disconnect
Figure 18. Internal Circuit Breaker
CHS-SVX02C-EN
(Figure 17). In
(Figure 18).
21).
Figure 19. Externally Mounted Disconnect w/ Circuit
Breaker
Figure 20. Drive Mounted Disconnects
31