Rheem RXKG Installation Manual
INSTALLATION INSTRUCTIONS
MODEL# RXKG SERIES
ROOF CURBS
This Roof Curb is built to NRCA specifications and is constructed of 18 gauge galvanized steel with a full perimeter 1" x 4" wood nailer strip. Curb height is determined by the part number as listed below
WARNING
THIS ROOF CURB IS DESIGNED FOR USE WITH A SERIES OF UNITS THAT INCLUDE TWO CABINET SIZES. PROPER SELECTION AND ASSEMBLY OF THE SUPPORT RAILS IS REQUIRED TO ADAPT THE CURB TO THE PROPER SIZE UNIT. FIRST, DETERMINE THE LENGTH OF THE UNIT, AND THEN REFER TO THE TABLE AND DIMENSIONAL DRAWING ON PAGE 3 FOR PROPER ASSEMBLY OF THE ROOF CURB COMPONENTS.
Step 1:
Check for the correct number of parts. See list below.
RXKG-CAD14 = 14 inches high RXKG-CAD24 = 24 inches high
Parts List For RXKG-CAD14 |
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Parts List For RXKG-CAD24 |
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Description |
Part # |
Qty |
Description |
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Part # |
Qty |
Tie Down Brackets |
602012014/TDB |
4 |
Tie Down Brackets |
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602012024/TDB |
1 |
82" Unit Duct Support - 38" Long (E) |
602012014/VER1 |
1 |
82" Unit Duct Support - 38" Long (E) |
602012024/VER1 |
1 |
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76" Unit Duct Support - 43 ½" Long (F) |
602012014/VER2 |
1 |
76" Unit Duct Support - 43 ½" Long (F) |
602012024/VER2 |
1 |
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Duct Support - 20 3/8" Long (D) |
602012014/HOR1 |
1 |
Duct Support - 20 3/8" Long (D) |
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602012024/HOR1 |
1 |
Duct Support 39" Long (C) |
602012014/HOR2 |
1 |
Duct Support 39" Long (C) |
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602012024/HOR2 |
1 |
Insulated Panels w/ Cutouts (H) |
602012014/PAN1 |
2 |
Insulated Panels w/ Cutouts (H) |
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602012024/PAN1 |
2 |
Insulated Panels (G) |
602012014/PAN2 |
2 |
Insulated Panels (G) |
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602012024/PAN2 |
2 |
Curb Long Side - 71" Long (B) |
602012014/CLS |
2 |
Curb Long Side - 71" Long (B) |
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602012024/CLS |
2 |
Curb Short Side - 42 5/8" long (A) |
602012014/CSS |
2 |
Curb Short Side - 42 5/8" long (A) |
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602012024/CSS |
2 |
¾" x 1 ¼" x 14' Gasket |
602012014/4102 |
2 |
¾" x 1 ¼" x 14' Gasket |
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602012024/4102 |
2 |
3/16" x 13 ½" Hinge Pins |
602012014/4451 |
4 |
3/16" x 23 ½" Hinge Pins |
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602012024/4452 |
4 |
Hardware Bag |
602012014/HDW |
1 |
Hardware Bag |
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602012024/HDW |
1 |
I & O Manual |
RMICRB20R |
1 |
I & O Manual |
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RMICRB20R |
1 |
Screw (Hex Head) #10-16 x ½" |
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14 |
Screw (Hex Head) #10-16 x ½" |
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14 |
* See Chart in Figure 6 |
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LAYOUT |
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(A) |
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(G) |
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(B) |
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(H) (H) |
(C) |
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(G) |
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AS SHIPPED |
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(E) |
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(B) |
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(F) |
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(D) |
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(A) |
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Figure 1 |
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Figure 2 |
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Step 2:
Layout the curb pieces before assembly to insure that all the necessary pieces are included.
U.S. PATENT 5148647
RMICRB20R |
PAGE 1 |
INSTALLATION INSTRUCTIONS
MODEL# RXKG SERIES
ROOF CURBS
HINGE PIN
TAPERED END
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CURB SIDE |
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HINGE PIN |
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Figure 3 |
Figure 4 |
Step 3:
Corner Assembly: Align each curb side as shown in Figure 3. Using a hammer, drive the curb "hinge" pin down until the top of the pin is below the top of the curb as shown in Figure 4.
82 13/16 |
82 13/16 |
+/- 1/8 |
+/- 1/8 |
Figure 5
Step 4:
After the four corners are assembled; the curb should be checked to be sure it is in "square". Do this by measuring diagonally from each opposite corner. The two measurements should be the same for each direction as shown in Figure 5.
PAGE 2 |
RMICRB20R |
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