Furnace Components; Vacuum Hose Routing - Trane UHMB060ACV3VA Series Service Facts

Service Facts
WARNING
!
FIRE - EXPLOSION HAZARD
DO NOT RUN FLEXIBLE GAS LINE THROUGH THE
FURNACE CABINET WALL OR WITHIN THE FURNACE
CABINET. FAILURE TO FOLLOW THIS WARNING
COULD RESULT IN PROPERTY DAMAGE, SERIOUS
PERSONAL INJURY, OR DEATH.

FURNACE COMPONENTS

1

VACUUM HOSE ROUTING

3
4
2
H-Fitting must be installed in this orientation.
Burner Box
Orifice in H fitting must
be pointing away from PS1
Pressure Switch
PS-3
Pressure
Switch
PS-2
Tee
Heat Exchanger (Cold Header)
! Important !
Brass orifices located in these two legs.
Tee
Pressure
Switch
PS-1
H-Fitting
Tee
Negative
Control
Pressure
Post
Modulating
Gas Valve
To Pressure
Switch PS-1
Positive Control
Pressure Post
UHM-DHM-SF-1H