Reznor CAUA Unit Installation Manual - Manual (Page 5)

Form I-CAUA, P/N 164771 R8, Page 5
Other shipped-separate options could include a gas shutoff valve, a thermostat, a ther-
mostat guard, and/or a vent cap. Make sure all parts are at the site before beginning
installation.
4.0 Dimensions and Clearances
A
C Plenum Opening
D
Plenum
Opening
B
E F
G
H
Electrical
(supply voltage)
Gas
4-1/8
(105mm)
6-3/8
(162mm)
Combustion Air Cutout
150, 200 - 5” (127mm); 250,
300, 350, 400 - 6” (152mm)
Venter Outlet
150, 200, 250 -
5” (127mm);
300, 350, 400 -
6” (152mm)
2-3/8”
(60mm)
46-1/2”
(1181mm)
24-3/8”
(619mm)
22-1/4”
(565mm)
1/2”
(13mm)
Control Door
Blower Door
Corner indicators for cutting
inlet air opening
J
2-1/2” (64mm)
2-1/8” (54mm)
16”
(406mm)
3-5/8” (92mm)
1” (25mm)
13-1/4”
(337mm)
Alternate
Gas
Connection
16”
(406mm)
2-1/8” (54mm)
1-1/2” (38mm)
Corner indicators for
cutting inlet air opening
K
FIGURE 1 - Dimensions - inches (mm)
Top
View
Right
Side
View
Rear View
Front View
NOTE: Composite drawings are
not proportional for all sizes.
4.1 Dimensions
Air Opening Dimensions
Supply Air (Discharge with duct flange) = C x D
Inlet Air Opening (location selected by installer)
Right Side of Heater K x 16" (406mm)
Left Side* of Heater K x 16" (406mm)
Rear of Heater J x 16" (406mm)
Bottom of Heater M x N
*Right side is illustrated; corner indicators for opening
are the same on the left side.
Corner indicators for
cutting inlet air opening.
Control Side of Heater
M
N
P
2” (51mm)
Bottom View
TABLE 3 Size A B C D E F G H J K M N P
Dimensions
(Inches ±1/8)
150, 200 38 34-3/4 36 21 7-1/4 3-3/4 12-1/2 24 33 31 19 34 4-5/8
250, 300 50 34-3/4 48 21 7-1/4 4-3/8 12-3/4 27-1/4 45 31 16 46 4-3/4
350, 400 50 49-3/4 48 34 7 4-3/8 14-1/8 26-3/4 45 44 32 46 4-7/8
Dimensions
(mm ±3)
150, 200 965 883 914 533 184 95 318 610 838 787 483 864 117
250, 300 1270 883 1219 533 184 111 324 692 1143 787 406 1168 121
350, 400 1270 1238 1219 864 178 111 359 679 1143 1118 813 1168 124