Flue Assembly And Rain Shield; Installation - Trane IntelliPak RA 20 Installation, Operation And Maintenance Manual

Figure 29. Unit gas trains 500 MBh ultra modulating
UL 536 Flexible
Metallic Hose
1" field
connection elbow
RT-SVX063E-EN
Modulating valve
One stage valves
Manual shutoff
valve
Figure 30. Unit gas trains 850/1200 MBh 4 stage/
modulating/ultra modulating
One stage valve
UL 536 Flexible
Metallic Hose
One stage valve
1-1/4" (850 MBh) /
1-1/2" (1200 MBh) field
connection elbow

Flue Assembly and Rain Shield

Installation

1. Locate the flue vent chimney, vent elbow, and, if
required, the rain shield in the supply fan section of
the unit.
N N o o t t e e s s : :
1. Remove shipping covers prior to
installation.
2. Refer to installation instructions in RT-
SVN030*-EN for more detailed
instructions.
2. Install the flue vent elbow onto the inducer motor
housing using the provided sealing caulk and
screws.
3. Install the flue vent chimney to the exterior of the
flue post.
4. Install the rain shield (40-75 ton units only) over the
combustion intake slots on the exterior of the
vented access panel.
I I n n s s t t a a l l l l a a t t i i o o n n
Modulating valve
(not on 4-stage)
One stage valve
UL 536 Flexible
Metallic Hose
One stage valve
Manual shutoff
valve
47