User Guide

4 • On-Demand Rack System
INSTALLATION
1
Install the
Rack(s)
When installing the rack(s), you
must comply with the water heaters’
installation requirements. Refer to
the Installation Manual and Owner’s
Guide.
See also
Installation Requirements on
page 3.
• WARNING! The fl oor or wall
must be able to support the rack
system in a secure and safe
manner. Follow local and state
code requirements. Failure to do
so can lead to loss of life, personal
injury, and/or property damage.
ᴏ
Areas prone to earthquakes
may have addi onal code
requirements. Prior to
installa on, contact the local
authority having jurisdic on
over installa on requirements.
ᴏ
Ensure that you use fl oor/
wall anchors with an adequate
weight ra ng.
• This rack system and its water
heaters must be installed according
to all local and state codes or, in the
absence of local and state codes,
the “Na onal Fuel Gas Code”, ANSI
Z223.1(NFPA 54)-current edi on.
• Install the rack(s) in a loca on
where the proper amount of
combus ble air will be available to
it at all  mes without obstruc ons.
(Refer to the water heaters’
Installation Manual and Owner’s
Guide.)
• The system must be installed in a
loca on that provides easy access
for service and maintenance.
• Outdoor Systems:
Ensure that the installa on is in an
open, unroofed area with minimum
clearances observed.
Wall Mounted Rack
A. Before you begin, read all warnings
and bullet points at the beginning of
this sec on.
B. Determine your installa on
loca on, then confi rm that the
clearance requirements are met.
(Refer to the water heater manual
and applicable code.)
NOTICE: Wall mount racks are
shipped with li ing brackets in
place. See Figure 1. These lifting
brackets are actually wall mount
brackets that have been rotated
90 degrees. They will allow you to
hoist the rack without the use of
straps. Use a spreader lifting bar
as shown in Figure 2 to ensure that
the lifting force is vertical.
C. A ach the rack to the wall, and
ensure that it is secure. The rack
must be secured at each moun ng
bracket. NOTE: The moun ng
brackets can be moved along the
channel to line up with the framing.
INSTALLATION
Figure 1: Lifting Brackets
Figure 2: Spreader Lifting Bar