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Centrifugal Fan Model Installation
9.
Connect 45° elbow (224420) and
hose (224436) to Burner Assembly
as shown using Gas Rated Teflon
Tape (208980). Position elbow to allow
Hose to easily connect to the Plumbing
Tree Connection.
Note: Support Burner
Assembly pipe when connecting elbow
and hose to avoid twisting of assembly.
10.
Depending on heater package ordered, the heater will come with either a 28” Guard (224160) or a 24”
Guard (224161).
a.
The 28” Guard will fit approximately a 29.75” bolt hole pattern diameter.
b.
The 24” Guard will fit approximately a 27.75” bolt hole pattern diameter.
To increase the bolt hole pattern diameter (4) Guard Mount (224415) can be installed onto the guard as
shown below utilizing 5/16” x 1” Hex bolts (157540), 5/16” Fender Washers (208197), and 5/16”
Nylock Nut (157540).
c.
The 28” Guard, with Guard Mounts, will fit approximately up to a 34.5” bolt hole pattern
diameter.
d.
The 24” Guard, with Guard Mounts, will fit approximately up to a 32.5” bolt hole pattern
diameter.
Measure bolt hole pattern diameter of fan as shown below to determine if Guard mounts are needed. If
needed, install onto guard as shown.