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0 dimensions and clearances, 1 dimensions, Air opening dimensions – Reznor CAUA Unit Installation Manual User Manual

Page 5: Bottom view

background image

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