Greenheck ERT Series User manual

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
®

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: • 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
2
STEP 2: Assemble Main Curb
Hardware Required: (24 or 32) 3/8-16 x 3/4Serrated Flange Bolts
(24 or 32) 3/8-16 x 3/4Serrated Flange Nuts
(4) Side Channels
(2) End Channels
(1) Center Channel
(2) Supply Side Channels (for ERT-74 only)
Instructions: • See Main Curb Assembly for positioning the Side, 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 LW
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 92.75 195.00 92.75
2 @ 71.25
ERT-52 and ERT-58/64
L
W
L
W
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
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
3
®® ®
4
All dimensions shown in inches.

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: • 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
2
STEP 2: Assemble Main Curb
Hardware Required: (24 or 32) 3/8-16 x 3/4Serrated Flange Bolts
(24 or 32) 3/8-16 x 3/4Serrated Flange Nuts
(4) Side Channels
(2) End Channels
(1) Center Channel
(2) Supply Side Channels (for ERT-74 only)
Instructions: • See Main Curb Assembly for positioning the Side, 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 LW
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 92.75 195.00 92.75
2 @ 71.25
ERT-52 and ERT-58/64
L
W
L
W
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
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
3
®® ®
4
All dimensions shown in inches.

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: • 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
2
STEP 2: Assemble Main Curb
Hardware Required: (24 or 32) 3/8-16 x 3/4Serrated Flange Bolts
(24 or 32) 3/8-16 x 3/4Serrated Flange Nuts
(4) Side Channels
(2) End Channels
(1) Center Channel
(2) Supply Side Channels (for ERT-74 only)
Instructions: • See Main Curb Assembly for positioning the Side, 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 LW
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 92.75 195.00 92.75
2 @ 71.25
ERT-52 and ERT-58/64
L
W
L
W
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
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
3
®® ®
4
All dimensions shown in inches.

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
®

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
®