Greenheck MSU-38 User Manual

Figure 2: Recirc Duct Adapter

Part Description Height Qty P/N Length

Blower Curb Duct Adapter

A Duct Frame 12 2 709470 88.25 in.

24 2 709479 88.25 in.

B Duct Cross Channels

For blower 127 (Optional) 12 2 709473 36.75 in.

24 2 709476 36.75 in.

For blower 130 (Optional) 12 2 709474 39.50 in

24 2 709475 39.50 in.

Direct Gas Module Duct Adapter (Recirc)

A Recirc Frame 12 2 709470 88.25 in.

24 2 709479 88.25 in.

C Recirc Cross Channels 12 2 709471 26.75 in.

(Optional) 24 2 709478 26.75 in.

Hardware Kit 1 852310

April 2005

MAKE-UP AIR ROOF CURB

Model: MSU-38

ASSEMBLY INSTRUCTIONS

Table of Contents

Pg. 1 Duct Adapter Assembly (Optional) Pg. 2 Blower Only Curb Assembly Pg. 3 Blower & Direct Gas Module Curb Assmbly (Optional) Pg. 3 Blower & Coil Curb Extension (Optional) Pg. 4 Dimensional Data

Materials Required for Each Option:

(8 -12) SCREWS, SMS (A) 12 x 0.625 (IHH)

(Provided in Hardware kit)

Cordless drill with 5/16 in. nut driver.

Instructions:

• Align pre-drilled holes on parts, indicated above, for selected option(s).

• Fasten together with screws provided.

NOTE:

Shaded parts in above drawings are optional. If specific unit does

not have such options refer to page 2 for additional instructions.

Please refer to page 4 for dimensional data.

Figure 1: Blower Duct Adapter

READ AND SAVE THESE INSTRUCTIONS

PART # 463290

DUCT ADAPTER PARTS LIST & ASSEMBLY

Figure 4: Blower Curb with Duct Adapter

BLOWER ONLY CURB PARTS LIST & ASSEMBLY

Part Description Height Qty P/N Length

Blower Curb Only

D End Channel 12 2 709468 92.00 in.

24 2 709481 92.00 in.

E Access Side 12 1 709472 64.25 in.

24 1 709486 64.25 in.

F Non-Access Side 12 1 709472 64.25 in.

24 1 709477 64.25 in.

NOTE:

If unit is equipped with Direct Gas Module or Coil

Section, please refer to page 3 for assembly instruction.

Materials Required for Assembly:

(12 - 24) 3/8 - 16 x 3/4 Serrated Flange Bolts (12 - 24) 3/8 - 16 x 3/4 Serrated Flange Nuts (8 - 12) SCREWS, SMS (A) 12 x 0.625 (IHH)

(Provided in Hardware kit) Cordless drill with 9/16 in. nut driver Cordless drill with 5/16 in. nut driver Awl - for hole alignment Combination 9/16 in.wrench

Instructions: Figure 3

• Align pre-drilled holes.

• Fasten together with bolts provided.

Figure 4

• Fasten pre-assembled duct adapter to the access & non access sides with screws provided.

• Align pre-drilled holes.

• Fasten together with bolts provided.

Figure 3: Blower Curb Only

NOTE:

Figure 4 is shown with the Duct adapter option. Shaded

parts are not included unless specifically ordered.

Refer to Page 4 for dimensional data.

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