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STEP 1: Unpack and Inspect Parts
Part Description
Roof Curb Kit
1. End Channel
2. Side Channel
3. Supply Side Channel 12 in. high
4. Center Channel
Part Description
Duct Adapter
(12 in. & 16 in. high curbs)
5. Curb Cross Channel
6. Duct Side Channel
7. Duct Cross Channel
Hardware Kit
(for curb & duct adapter)
3/8-16 x 3/4 Serrated Flange Bolts
3/8-16 x 3/4 Serrated Flange Nuts
Screws, SMS (A) 12 x 0.625 (IHH)
Note: Hardware kit for the 12 in. high and 16 in. high roof curb are the same.
Tools Recommended for Assembly
• Cordless drill
•
/
in. Nut setter
5
16
•
9
/
in. Nut setter
16
• Open or Closed
9
• Awl — for hole alignment
ASSEMBLY INSTRUCTIONS
Qty
12 in. high
16 in. high
12 in. high
16. in. high
12 in. high
16 in. high
16 in. high
12 in. & 16 in. high
Qty
1
3
1
1
24
24
20
/
in. wrench
16
Roof Curb and Duct Adapter
ERT-52
P/N
1
851518
1
851519
2
657226
2
657332
4
657227
4
657333
2
—
2
—
1
657228
ERT-52
ERT-58
Qty
P/N
P/N
657228
2
659328
657229
3
659329
657230
2
659330
851525
1
851523
415459
32
415459
415457
32
415457
415180
32
415180
ERT-58
ERT-64
P/N
P/N
851646
851646
851647
851647
659321
659321
659336
659336
659322
659322
659337
659337
—
—
—
—
659328
659328
ERT-64
Qty
P/N
2
659328
3
659329
2
659330
1
851523
32
415459
32
415457
32
415180
PART # 457157
Model: ERT
ERT-74
P/N
851516
851517
657209
657216
657210
657217
657211
657218
657212
ERT-74
Qty
P/N
2
657212
4
657213
2
657214
1
851523
32
415459
—
—
November 2006
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Summary of Contents for Greenheck ERT Series
-
Page 1: Assembly Instructions
PART # 457157 Roof Curb and Duct Adapter ® Model: ERT ASSEMBLY INSTRUCTIONS STEP 1: Unpack and Inspect Parts ERT-52 ERT-58 ERT-64 ERT-74 Part Description Roof Curb Kit 12 in. high 851518 851646 851646 851516 16 in. high 851519 851647 851647 851517 1. - Page 2 STEP 2: Assemble Main Curb Hardware Required: (24 or 32) -16 x Serrated Flange Bolts (24 or 32) -16 x Serrated Flange Nuts (4) Side Channels (2) End Channels (1) Center Channel (2) Supply Side Channels (for ERT-74 only) Instructions: •...
- Page 3 IMPORTANT! The following steps are for ductwork support. These steps are required only if the ductwork will be installed prior to the ERT unit. STEP 3: Fastening Curb End Support and Curb Center Support Channel (Items 4 & 5) Hardware Required: (8) Screws, SMS (A) 12 x 0.625 (IHH) (1 or 2) Curb Cross Channel Instructions: •...
- Page 4 STEP 4: Fastening Duct Cross and Side Channel(s) to Curb Cross Channels and Main Curb Assembly Hardware Required: Screws, SMS (A) 12 x 0.625 (IHH) Quantity: ERT-52 (16) of the above screws are needed to attach the Duct Cross and Side Channels to the Curb Cross Channel and Main Curb Assembly ERT-58/64 and ERT-74 (24) of the above screws are needed to attach the Duct Cross and Side Channels to...
- Page 5 STEP 5: Final Roof Curb Assembly ERT-52 Exhaust Inlet Supply Discharge Duct Adapter Assembly ERT-58 & ERT-64 Exhaust Inlet Supply Discharge Duct Adapter Assembly ®...
- Page 6 STEP 5: Final Roof Curb Assembly ERT-74 Exhaust Inlet Supply Discharge Duct Adapter Assembly #457157 IOM ERT Curb Rev. 3, November 2006 Copyright © 2006 Greenheck Fan Corp.