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NOTICE — These heaters are designed for wall and ceiling mount.
Other modes of mounting voids factory warranty.
Mounting HD3D Heaters with optional Universal Mounting
Bracket (Swivel Type)
Horizontal Air Flow
1. Height above floor
A. In areas where ceiling height is more than 12 feet, recom-
mended mounting height is approximately 10 feet to underside
of heater.
B. For ceiling heights of 12 feet or less, maximum mounting
height is determined by use of the mounting bracket offered for
these heaters. Minimum spacing to ceiling is 9". (See Figure 3.)
C. In either case the minimum mounting height is 7 feet from
floor to bottom of heater. (Figure 3)
2. Spacing to adjacent walls (See Figure 3).
A. Rear of case to back wall 8" minimum.
B. Side of case to side wall 8" minimum.
Note: For all horizontal air flow applications
If two or more units are operated in the same enclosed air space, their
discharges should be directed to aid in development of mass air move-
ment for uniform heat dispersal.
kW
A
2.5-7.5
13-1/2
10.0-20.0
17-1/4
25.0-39.0
21-1/4
Standard Non-Swivel Brackets
Dimensions (In.)
kW
A Radius
Bolt Size
2 - 7.5
7-3/4
3/8 to 7/16
10 - 20
9-1/2
3/8 to 7/16
25 - 39
11-1/2
3/8 to 7/16
Figure 4
Mounting Optional Drip Shields
Optional stainless steel drip shields are available to mount to the top
surface of the heater case on a horizontally mounted heater in locations
where it may have dirty corrosive liquids dripping from overhead.
1. Mounting
A. Line up the four mounting holes on the shield with the four
holes on the upper half of the heater case and fasten in place
with the four stainless steel bolts, nuts and washers supplied
with the kit. See figure 6.
1/4-20 Nut
(Lower)
1/4-20 LOUVER
MOUNTING BOLTS -
ONE ON EACH SIDE
Figure 6
MOUNTING (cont'd.)
Dimensions (In.)
B
C
24-1/2
15
28
15-1/8
32-1/4
19-1/2
A Typ
PLUG
1-4-20 NUT
(UPPER)
1/4-20 BOLT
DRIP SHIELD WITH STANDARD
"L" SHAPE MOUNTING BRACKETS
Ceiling
8"
B
8"
Min.
A
Floor
Figure 3
Universal Mounting Brackets
9/16" Dia. Hole
(Typ. Pls.)
Figure 5
Shield Identification
Heater Size
Shield Model
2 - 7.5 kW
HD3DS-1
10 - 20 kW
HD3DS-2
25 - 39 kW
HD3DS-3
(3) FLAT
WAHSERS
ADAPTOR
BRACKET
1/4-20 BOLT
(LOWER)
1/4-20 LOUVER
MOUNTING BOLTS -
DRIP SHIELD WITH OPTIONAL UNIVERSAL
ONE ON EACH SIDE
3
Ceiling
9" Min.
Wall
8" Min.
C
7' Min.
Floor r oor
Fl
6-7/8"
6"
6" 8"
PCN
520369
520647
520655
"USB" MUST BE
ORDERED
SEPRATELY
1/4-20 BOLT
WITH DOUBLE
NUT
1/4-20 NUT
(UPPER)
1/4-20
BOLT
MOUNTING BRACKET (SWIVEL TYPE)
Wall
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