Reznor SFT Unit Installation Manual - Manual (Page 5)

Form RZ -NA-I-SFT, Page 4
Be sure that the
threaded hanger rods
are locked to the
heater as illustrated.
Recommended
maximum hanger rod
length is 6 feet
(1829mm).
Sizes 45 --
21-1/4” (540mm) Sizes 60/75 --
23-1/4” (591mm)
17-15/16”
(456mm)
9-9/16”
(243mm) 5/16” or 3/8” threaded rods
(maximum length above
the heater is 18”/457mm )
On the bottom of the heater, use a washer
and double nuts to attach each threaded rod.
Use double nuts. Lock lower nut to upper by
holding upper nut while tightening lower nut.
Sizes 45 --
12-1/8” (308mm)
Sizes 60/75 --
18-1/8” (591mm)
C L C L
7. Suspending the Heater
(cont'd)
Figure 2B - Two-point
Suspension - Applies to
Sizes 45, 60, and 75 only
3/8” Threaded Rod
Add a 3/8” nut
to lock the hanger
rod to the heater
WARNING: Unit must be level for
proper operation. Do not place or add
additional weight to the suspended
heater. See Hazard Levels, page 2.
Figure 2A - Four-point Suspension
(applies to all sizes)
Attach suspension angle -
(1) Remove ALL screws
across top edge of cabinet.
(2) Position suspension angle, aligning
holes with same holes emptied in Step (1).
(3) Using ALL screws that were
removed and the same cabinet
holes, attach suspension angle.
Suspension angle
attached to rear
of heater
Figure 2C - Suspending with Ceiling Suspension Kit, Option CK22.
When suspending, use a minimum of two anchor points per angle.
NOTES: Quantity of screws used to attach the suspension angles
will vary by heater size and from front to rear of
cabinet. If optional vertical louvers
are being added,
install louvers
after suspension
angles are attached.