Locating And Mounting - Rinnai 37AHB SERIES Installation, Operation And Maintenance Manual

Installation
LOCATING AND MOUNTING THE HYDRONIC
FURNACE
General
The multi-position 37AHB Series Hydronic Furnaces
are shipped in packaged configuration. This means
that the units may be installed without assembly and/
or modifications when configured for bottom return air
inlet application; however, some modifications and
assembly are necessary if units are to be installed in
an application that requires side return air inlet
arrangement. For instructions on required
modifications and assembly refer to Figures 3 and 4.
NOTE: For side return application, obtain Side Filter
Rack" and "Bottom Fill Plate from your area
authorized Rinnai® distributor.
Modification of Unit to Accommodate
Figure 3:
Side Filter Rack Installation
6
Rinnai Corporation Hydronic Furnace (37AHB) Manual
21 11/16"
3/8"
USE EXI STING SCREW HOLE
TO LOCATE FILTER RACK
Figure 4: Side Filter Rack Installation
17 15/16"
17 3/4"
1/8"
2 3/16"