Reznor OH Unit Installation Manual - Manual (Page 5)

Form I-OH, PN 120390 R5, Page 5
2-9/16”
(68mm)
17”
(43
2m
m)
32 1/8”
(816mm)
14-7/16”
(367mm)
Flue connection is
beneath the service
tray; see auxiliary
view for location.
Electrical
Connection
Auxiliary View showing
Flue Connection
Location
29 1/16” (738mm)
A
B
C
ØD
7”
(178
mm)
7-19/32”
(193mm)
4.2 Dimensions
FIGURE 2 - Model OH Dimensions
TABLE 3 - Dimensions (inches/mm)
Size A B C D
95
inches 8 17-3/8 33 7
mm 203 441 838 178
140 and
190
inches 9-1/2 37-3/8 43 8
mm 241 949 1092 203
5. Suspension or
Mounting
5.1 Weight
Before suspending the heater, check the supporting structure to ensure that it has suf-
ficient load-carrying capacity to support the weight of the heater. For clearances and
dimensions, refer to Paragraph 4.
Model OH Net Weights - lbs (kg)
Size 95 140 190
lbs 290 345 345
kg 132 156 156
TABLE 4 - Unit Weight
FIGURE 3A - Suspension with 1/2" threaded rod
1/2” Threaded Rod
(See NOTE)
Flat Washer
Hex Nut
Lock Nut
NOTE: Units manufactured prior to 10/94 are
suspended with 3/8" rods and hardware.
5.2 Hanging the
Heater
Use four 1/2" diameter threaded rods. Lock threaded rod using a washer and nut as
shown in FIGURE 3A. Or, use optional swivel connectors (Option CK10) and field-pro-
vided 1" threaded pipe. Lock swivel connections as shown in FIGURE 3B.
Lock Nut
1” Standard Pipe
Swivel Assembly
Flat Washer
FIGURE 3B - Suspension with
optional swivels (Option CK10) and
1" threaded pipe