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Greenheck ERT Series Assembly Instructions Manual page 2

Roof curb and duct adapter

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STEP 2: Assemble Main Curb
Hardware Required:
Instructions:
ERT-52
ERT-58
ERT-64
ERT-74
All dimensions shown in inches.
ERT-52 and ERT-58/64
ERT-74
L
2
(24 or 32)
3
/
-16 x
3
/
Serrated Flange Bolts
8
4
3
3
(24 or 32)
/
-16 x
/
Serrated Flange Nuts
8
4
(4) Side Channels
(2) End Channels
(1) Center Channel
(2) Supply Side Channels (for ERT-74 only)
• See Main Curb Assembly for positioning the Side, Center, and End Channels.
• Align the holes and fasten as shown below.
Channel Lengths and Overall Curb Dimensions
Side
End
Length
Length
75.25
65.50
88.00
74.75
88.00
74.75
4 @ 59.75
92.75
2 @ 71.25
Side and center channels
fasten together, as shown.
Center
L
Length
65.50
154.50
74.75
180.00
74.75
180.00
92.75
195.00
L
W
End and side channels
fasten together, as shown.
W
65.50
74.75
74.75
92.75
W
®

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This manual is also suitable for:

Ert-64Ert-58Ert-52Ert-74