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STEP 1:  Unpack and Inspect Parts

Tools Recommended for Assembly

 • Cordless 

drill 

 • 

5

/

16

 in. Nut setter

 • 

9

/

16

 in. Nut setter

 • Open 

or 

Closed 

9

/

16

 in. wrench

 

•  Awl — for hole alignment 

PART # 457157

November 2006

Note: Hardware kit for the 12 in. high and 16 in. high roof curb are the same.

®

Roof Curb and Duct Adapter

Model: ERT

ASSEMBLY INSTRUCTIONS

Part Description

Qty

ERT-52

ERT-58

ERT-64

ERT-74

P/N

P/N

P/N

P/N

Roof Curb Kit

 

12 in. high

1

851518

851646

851646

851516

   

 

16 in. high

1

851519

851647

851647

851517

1. End Channel 

12 in. high

2

657226

659321

659321

657209

   

 

16. in. high

2

657332

659336

659336

657216

2. Side Channel 

12 in. high

4

657227

659322

659322

657210

   

 

16 in. high

4

657333

659337

659337

657217

3. Supply Side Channel  12 in. high

2

657211

   

 

16 in. high

2

657218

4. Center Channel 

12 in. & 16 in. high

1

657228

659328

659328

657212

Part Description

Qty

ERT-52

Qty

ERT-58

Qty

ERT-64

Qty

ERT-74

P/N

P/N

P/N

P/N

Duct Adapter 

(12 in. & 16 in. high curbs)

5. Curb Cross Channel

1

657228

2

659328

2

659328

2

657212

6. Duct Side Channel

3

657229

3

659329

3

659329

4

657213

7. Duct Cross Channel

1

657230

2

659330

2

659330

2

657214

Hardware Kit 

(for curb & duct adapter)

1

851525

1

851523

1

851523

1

851523

3/8-16 x 3/4 Serrated Flange Bolts

24

415459

32

415459

32

415459

32

415459

3/8-16 x 3/4 Serrated Flange Nuts

24

415457

32

415457

32

415457

Screws, SMS (A) 12 x 0.625 (IHH)

20

415180

32

415180

32

415180

#457157 IOM ERT Curb

Rev. 3, November 2006

Copyright © 2006 Greenheck Fan Corp. 

STEP 5:  Final Roof Curb Assembly

ERT-74

Duct Adapter Assembly

Exhaust 

Inlet

Supply 

Discharge

2

2

1

4

1

5

6

7

6

STEP 5:  Final Roof Curb Assembly

ERT-58 &

ERT-64

ERT-52

Duct Adapter Assembly

Duct Adapter Assembly

Exhaust 

Inlet

Supply 

Discharge

2

2

1

4

1

5

6

7

Exhaust 

Inlet

Supply 

Discharge

2

2

1

4

1

5

6

7

5

®

Содержание ERT Series

Страница 1: ...657216 2 Side Channel 12 in high 4 657227 659322 659322 657210 16 in high 4 657333 659337 659337 657217 3 Supply Side Channel 12 in high 2 657211 16 in high 2 657218 4 Center Channel 12 in 16 in high 1 657228 659328 659328 657212 Part Description Qty ERT 52 Qty ERT 58 Qty ERT 64 Qty ERT 74 P N P N P N P N Duct Adapter 12 in 16 in high curbs 5 Curb Cross Channel 1 657228 2 659328 2 659328 2 657212 ...

Страница 2: ... Center and End Channels Align the holes and fasten as shown below ERT 74 Side and center channels fasten together as shown End and side channels fasten together as shown End Channel Lengths and Overall Curb Dimensions Side Length End Length Center Length L W ERT 52 75 25 65 50 65 50 154 50 65 50 ERT 58 88 00 74 75 74 75 180 00 74 75 ERT 64 88 00 74 75 74 75 180 00 74 75 ERT 74 4 59 75 92 75 92 75...

Страница 3: ...2 x 0 625 IHH 1 or 2 Curb Cross Channel Instructions Position the Curb Cross Channel Align the holes and fasten using 4 12 x 0 625 IHH screws IMPORTANT The following steps are for ductwork support These steps are required only if the ductwork will be installed prior to the ERT unit ERT 58 ERT 64 ERT 52 ERT 74 3 ...

Страница 4: ...eded 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 the 2 Curb Cross Channels Instructions Position the Duct Cross and Side Channels shown in gray as depicted Align the holes and fasten using the above hardware ERT 58 ERT 64 ERT 52 ERT 74 4 ...

Страница 5: ...STEP 5 Final Roof Curb Assembly ERT 58 ERT 64 ERT 52 Duct Adapter Assembly Duct Adapter Assembly Exhaust Inlet Supply Discharge 2 2 1 4 1 5 6 7 Exhaust Inlet Supply Discharge 2 2 1 4 1 5 6 7 5 ...

Страница 6: ... 457157 IOM ERT Curb Rev 3 November 2006 Copyright 2006 Greenheck Fan Corp STEP 5 Final Roof Curb Assembly ERT 74 Duct Adapter Assembly Exhaust Inlet Supply Discharge 2 2 1 4 1 5 6 7 6 ...

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