48
Rinnai Tankless Water Heater Installation and Operation Manual
Room Air: Manufactured (Mobile) Home
For Installation in a Manufactured Home (Mobile Home)
Roof Termination
Roof Flashing
Top and Bottom
Mounting Brackets
PVC Elbow with
Vent Screen
Condensate Drain
Pressure Relief Valve
Hot Water Outlet
Door
Gas Supply
Cold Water Inlet
Louvered Opening
6 in. (152 mm) Maximum
Figure 48: Pipe Connections on
Bottom of Water Heater
To Suitable Drain
Figure 47: Installation Enclosure with Louvered Door for
Manufactured Home Applications
•
Combustion air must not be
supplied from occupied spaces of
the manufactured home. Access
panels, doors or opening of any
kind are not permitted between
the installation enclosure and the
inside of the manufactured home.
•
The installation enclosure must
include an exterior access door
incorporating a single opening
positioned a maximum of 6 in.
(152 mm) above the lower edge
of the door. The opening in the
access door must be metal with
no less than 1/4 in. (6.4 mm)
mesh.
•
The water heater is to be secured
to the wall of the manufactured
home using the integrated mount
-
ing brackets on the back side of
the water heater.
Model
Input
Btu/h
Minimum
Required Area
Example Opening
Size (LxH)
RSC199i
199,000
200 in
2
(0.129 m
2
)
20 in. x 10 in.
(508 mm x 254 mm)
RSC160i
160,000
160 in
2
(0.103 m
2
)
16 in. x 10 in.
(406 mm x 254 mm)
Use the following chart to identify the minimum required size of
the opening in the access door.
Table 21
