Greenheck ERV-120 Installation Manual

ASSEMBLY INSTRUCTIONS

STEP 1: Unpack and Inspect Parts

Document 460988

Roof Curb and Duct Adapter

Models ERV-522/90 & ERV-582/120

Part Description Quantity

ERV-522/90 ERV-582/120

P/N P/N

Roof Curb Kit 12 in. high 1 851721 851822

16 in. high 1 851720 851823

1. End Channel 12 in. high 2 700197 702035

16 in. high 2 700253 702036

2. Non-Supply Side Channel 12 in. high 2 657259 702039

16 in. high 2 657262 702040

3. Supply Side Channel 12 in. high 2 657254 702037

16 in. high 2 657261 702038

4. Center Channel 12 in. & 16 in. high 1 700196 702041

Duct Adapter

5. Inner Duct Channel 1 700195 702042

6. Inner Cross Channel 1 700199 702045

7. Duct Cross Channel 1 700193 702044

8. Outer Duct Channel 1 700194 702043

Hardware Kit

/8-16 x 3/4 Serrated Flange Bolts

/8-16 x 3/4 Serrated Flange Nuts

(12 in. & 16 in. high curbs)

(for curb & duct adapter) 1 851549 851549

24 415459 415459

24 415457 415457

Screws, SMS (A) 12 x 0.625 (IHH) 16 415180 415180

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

Tools Recommended for Assembly

• Cordless drill

• 5/16 in. Nut setter

•

• Open or Closed 9/16 in. wrench

• Awl — for hole alignment

/16 in. Nut setter

STEP 2: Assemble Main Curb

Hardware Required: (24) 3/8-16 x 3/4 Serrated Flange Bolts (24) (2) End Channels (1) Center Channel (2) Non-Supply Side Channels (2) Supply Side Channels

Instructions: • See Main Curb Assembly for positioning the Side, Center, and End Channels.

• Align the holes and fasten as shown below.

-16 x 3/4 Serrated Flange Nuts

Channel Lengths and Overall Curb Dimensions

Non-Supply

Length

ERV-522/90 58.37 58.63 80.50 80.50 120.50 80.50

ERV-582/120 64.88 73.87 92.75 92.75 142.25 92.75

All dimensions in inches.

Supply Length

End

Length

Center Length

Main Curb Assembly

Non-Supply Side Channels

Supply Side Channels

Side and center channels fasten together, as shown.

End and side channels fasten together, as shown.

End

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