RT-SVX063E-EN
47
Figure 29. Unit gas trains 500 MBh ultra modulating
Modulating valve
One stage valves
UL 536 Flexible
Metallic Hose
Manual shutoff
valve
1” field
connection elbow
Figure 30. Unit gas trains 850/1200 MBh 4 stage/
modulating/ultra modulating
Modulating valve
(not on 4-stage)
One stage valve
UL 536 Flexible
Metallic Hose
UL 53
6 Flexible
Metallic Hose
Manual shutoff
valve
1-1/4” (850 MBh) /
1-1/2” (1200 MBh) field
connection elbow
One stage valve
One stage valve
One stage valve
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.
NNootteess::
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.
IInnssttaallllaattiioonn
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